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media3/RELEASENOTES.md
ibaker 81d5055e12 Switch the RELEASENOTES source-of-truth from exoplayer2 to media3 
Both files will be updated when new versions are released, but
unreleased notes will only be accumulated in the media3 file.

PiperOrigin-RevId: 433736599
2022-03-15 00:35:50 +00:00

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# Release notes
### 2.17.1 (2022-03-10)
This release corresponds to the
[AndroidX media3 1.0.0-alpha03 release](https://github.com/androidx/media/releases/tag/1.0.0-alpha03).
* Audio:
* Fix error checking audio capabilities for Dolby Atmos (E-AC3-JOC) in
HLS.
* Extractors:
* FMP4: Fix issue where emsg sample metadata could be output in the wrong
order for streams containing both v0 and v1 emsg atoms
([#9996](https://github.com/google/ExoPlayer/issues/9996)).
* Text:
* Fix the interaction of `SingleSampleMediaSource.Factory.setTrackId` and
`MediaItem.SubtitleConfiguration.Builder.setId` to prioritise the
`SubtitleConfiguration` field and fall back to the `Factory` value if
it's not set
([#10016](https://github.com/google/ExoPlayer/issues/10016)).
* Ad playback:
* Fix audio underruns between ad periods in live HLS SSAI streams.
### 2.17.0 (2022-02-24)
This release corresponds to the
[AndroidX media3 1.0.0-alpha02 release](https://github.com/androidx/media/releases/tag/1.0.0-alpha02).
* Core library:
* Sleep and retry when creating a `MediaCodec` instance fails. This works
around an issue that occurs on some devices when switching a surface
from a secure codec to another codec
([#8696](https://github.com/google/ExoPlayer/issues/8696)).
* Add `MediaCodecAdapter.getMetrics()` to allow users obtain metrics data
from `MediaCodec`.
([#9766](https://github.com/google/ExoPlayer/issues/9766)).
* Fix Maven dependency resolution
([#8353](https://github.com/google/ExoPlayer/issues/8353)).
* Disable automatic speed adjustment for live streams that neither have
low-latency features nor a user request setting the speed
([#9329](https://github.com/google/ExoPlayer/issues/9329)).
* Rename `DecoderCounters#inputBufferCount` to `queuedInputBufferCount`.
* Make `SimpleExoPlayer.renderers` private. Renderers can be accessed via
`ExoPlayer.getRenderer`.
* Updated some `AnalyticsListener.EventFlags` constant values to match
values in `Player.EventFlags`.
* Split `AnalyticsCollector` into an interface and default implementation
to allow it to be stripped by R8 if an app doesn't need it.
* Track selection:
* Support preferred video role flags in track selection
([#9402](https://github.com/google/ExoPlayer/issues/9402)).
* Update video track selection logic to take preferred MIME types and role
flags into account when selecting multiple video tracks for adaptation
([#9519](https://github.com/google/ExoPlayer/issues/9519)).
* Update video and audio track selection logic to only choose formats for
adaptive selections that have the same level of decoder and hardware
support ([#9565](https://github.com/google/ExoPlayer/issues/9565)).
* Update video track selection logic to prefer more efficient codecs if
multiple codecs are supported by primary, hardware-accelerated decoders
([#4835](https://github.com/google/ExoPlayer/issues/4835)).
* Prefer audio content preferences (for example, the "default" audio track
or a track matching the system locale language) over technical track
selection constraints (for example, preferred MIME type, or maximum
channel count).
* Prohibit duplicate `TrackGroup`s in a `TrackGroupArray`. `TrackGroup`s
can always be made distinguishable by setting an `id` in the
`TrackGroup` constructor. This fixes a crash when resuming playback
after backgrounding the app with an active track override
([#9718](https://github.com/google/ExoPlayer/issues/9718)).
* Amend logic in `AdaptiveTrackSelection` to allow a quality increase
under sufficient network bandwidth even if playback is very close to the
live edge ([#9784](https://github.com/google/ExoPlayer/issues/9784)).
* Video:
* Fix decoder fallback logic for Dolby Vision to use a compatible
H264/H265 decoder if needed.
* Audio:
* Fix decoder fallback logic for Dolby Atmos (E-AC3-JOC) to use a
compatible E-AC3 decoder if needed.
* Change `AudioCapabilities` APIs to require passing explicitly
`AudioCapabilities.DEFAULT_AUDIO_CAPABILITIES` instead of `null`.
* Allow customization of the `AudioTrack` buffer size calculation by
injecting an `AudioTrackBufferSizeProvider` to `DefaultAudioSink`
([#8891](https://github.com/google/ExoPlayer/issues/8891)).
* Retry `AudioTrack` creation if the requested buffer size was > 1MB
([#9712](https://github.com/google/ExoPlayer/issues/9712)).
* Extractors:
* Fix incorrect parsing of H.265 SPS NAL units
([#9719](https://github.com/google/ExoPlayer/issues/9719)).
* Parse Vorbis Comments (including `METADATA_BLOCK_PICTURE`) in Ogg Opus
and Ogg Vorbis files.
* Text:
* Add a `MediaItem.SubtitleConfiguration.id` field which is propagated to
the `Format.id` field of the subtitle track created from the
configuration
([#9673](https://github.com/google/ExoPlayer/issues/9673)).
* Add basic support for WebVTT subtitles in Matroska containers
([#9886](https://github.com/google/ExoPlayer/issues/9886)).
* Prevent `Cea708Decoder` from reading more than the declared size of a
service block.
* DRM:
* Remove `playbackLooper` from `DrmSessionManager.(pre)acquireSession`.
When a `DrmSessionManager` is used by an app in a custom `MediaSource`,
the `playbackLooper` needs to be passed to `DrmSessionManager.setPlayer`
instead.
* Ad playback / IMA:
* Add support for
[IMA Dynamic Ad Insertion (DAI)](https://support.google.com/admanager/answer/6147120)
([#8213](https://github.com/google/ExoPlayer/issues/8213)).
* Add a method to `AdPlaybackState` to allow resetting an ad group so that
it can be played again
([#9615](https://github.com/google/ExoPlayer/issues/9615)).
* Enforce playback speed of 1.0 during ad playback
([#9018](https://github.com/google/ExoPlayer/issues/9018)).
* Fix issue where an ad group that failed to load caused an immediate
playback reset
([#9929](https://github.com/google/ExoPlayer/issues/9929)).
* UI:
* Fix the color of the numbers in `StyledPlayerView` rewind and
fastforward buttons when using certain themes
([#9765](https://github.com/google/ExoPlayer/issues/9765)).
* Correctly translate playback speed strings
([#9811](https://github.com/google/ExoPlayer/issues/9811)).
* DASH:
* Support the `forced-subtitle` track role
([#9727](https://github.com/google/ExoPlayer/issues/9727)).
* Stop interpreting the `main` track role as `C.SELECTION_FLAG_DEFAULT`.
* Fix base URL exclusion logic for manifests that do not declare the DVB
namespace ([#9856](https://github.com/google/ExoPlayer/issues/9856)).
* Support relative `MPD.Location` URLs
([#9939](https://github.com/google/ExoPlayer/issues/9939)).
* HLS:
* Use chunkless preparation by default to improve start up time. If your
renditions contain muxed closed-caption tracks that are **not** declared
in the master playlist, you should add them to the master playlist to be
available for playback, or turn off chunkless preparation with
`HlsMediaSource.Factory.setAllowChunklessPreparation(false)`.
* Support key-frame accurate seeking in HLS
([#2882](https://github.com/google/ExoPlayer/issues/2882)).
* Correctly populate `Format.label` for audio only HLS streams
([#9608](https://github.com/google/ExoPlayer/issues/9608)).
* RTSP:
* Provide a client API to override the `SocketFactory` used for any server
connection ([#9606](https://github.com/google/ExoPlayer/pull/9606)).
* Prefer DIGEST authentication method over BASIC if both are present
([#9800](https://github.com/google/ExoPlayer/issues/9800)).
* Handle when RTSP track timing is not available
([#9775](https://github.com/google/ExoPlayer/issues/9775)).
* Ignore invalid RTP-Info header values
([#9619](https://github.com/google/ExoPlayer/issues/9619)).
* Transformer:
* Increase required min API version to 21.
* `TransformationException` is now used to describe errors that occur
during a transformation.
* Add `TransformationRequest` for specifying the transformation options.
* Allow multiple listeners to be registered.
* Fix Transformer being stuck when the codec output is partially read.
* Fix potential NPE in `Transformer.getProgress` when releasing the muxer
throws.
* Add a demo app for applying transformations.
* The transformer module is no longer included by depending on
`com.google.android.exoplayer:exoplayer`. To continue using transformer,
add an additional dependency on
`com.google.android.exoplayer:exoplayer-transformer`.
* MediaSession extension:
* By default, `MediaSessionConnector` now clears the playlist on stop.
Apps that want the playlist to be retained can call
`setClearMediaItemsOnStop(false)` on the connector.
* Cast extension:
* Fix bug that prevented `CastPlayer` from calling `onIsPlayingChanged`
correctly ([#9792](https://github.com/google/ExoPlayer/issues/9792)).
* Support audio metadata including artwork with
`DefaultMediaItemConverter`
([#9663](https://github.com/google/ExoPlayer/issues/9663)).
* FFmpeg extension:
* Make `build_ffmpeg.sh` depend on LLVM's bin utils instead of GNU's
([#9933](https://github.com/google/ExoPlayer/issues/9933)).
* Android 12 compatibility:
* Upgrade the Cast extension to depend on
`com.google.android.gms:play-services-cast-framework:20.1.0`. Earlier
versions of `play-services-cast-framework` are not compatible with apps
targeting Android 12, and will crash with an `IllegalArgumentException`
when creating `PendingIntent`s
([#9528](https://github.com/google/ExoPlayer/issues/9528)).
* Remove deprecated symbols:
* Remove `Player.EventLister`. Use `Player.Listener` instead.
* Remove `MediaSourceFactory.setDrmSessionManager`,
`MediaSourceFactory.setDrmHttpDataSourceFactory`, and
`MediaSourceFactory.setDrmUserAgent`. Use
`MediaSourceFactory.setDrmSessionManagerProvider` instead.
* Remove `MediaSourceFactory.setStreamKeys`. Use
`MediaItem.Builder.setStreamKeys` instead.
* Remove `MediaSourceFactory.createMediaSource(Uri)`. Use
`MediaSourceFactory.createMediaSource(MediaItem)` instead.
* Remove `setTag` from `DashMediaSource`, `HlsMediaSource` and
`SsMediaSource`. Use `MediaItem.Builder.setTag` instead.
* Remove `DashMediaSource.setLivePresentationDelayMs(long, boolean)`. Use
`MediaItem.Builder.setLiveConfiguration` and
`MediaItem.LiveConfiguration.Builder.setTargetOffsetMs` to override the
manifest, or `DashMediaSource.setFallbackTargetLiveOffsetMs` to provide
a fallback value.
* Remove `(Simple)ExoPlayer.setThrowsWhenUsingWrongThread`. Opting out of
the thread enforcement is no longer possible.
* Remove `ActionFile` and `ActionFileUpgradeUtil`. Use ExoPlayer 2.16.1 or
before to use `ActionFileUpgradeUtil` to merge legacy action files into
`DefaultDownloadIndex`.
* Remove `ProgressiveMediaSource.setExtractorsFactory`. Use
`ProgressiveMediaSource.Factory(DataSource.Factory, ExtractorsFactory)`
constructor instead.
* Remove `ProgressiveMediaSource.Factory.setTag` and
`ProgressiveMediaSource.Factory.setCustomCacheKey`. Use
`MediaItem.Builder.setTag` and `MediaItem.Builder.setCustomCacheKey`
instead.
* Remove `DefaultRenderersFactory(Context, @ExtensionRendererMode int)`
and `DefaultRenderersFactory(Context, @ExtensionRendererMode int, long)`
constructors. Use the `DefaultRenderersFactory(Context)` constructor,
`DefaultRenderersFactory.setExtensionRendererMode`, and
`DefaultRenderersFactory.setAllowedVideoJoiningTimeMs` instead.
* Remove all public `CronetDataSource` constructors. Use
`CronetDataSource.Factory` instead.
* Change the following `IntDefs` to `@Target(TYPE_USE)` only. This may break
the compilation of usages in Kotlin, which can be fixed by moving the
annotation to annotate the type (`Int`).
* `@AacAudioObjectType`
* `@Ac3Util.SyncFrameInfo.StreamType`
* `@AdLoadException.Type`
* `@AdtsExtractor.Flags`
* `@AmrExtractor.Flags`
* `@AspectRatioFrameLayout.ResizeMode`
* `@AudioFocusManager.PlayerCommand`
* `@AudioSink.SinkFormatSupport`
* `@BinarySearchSeeker.TimestampSearchResult.Type`
* `@BufferReplacementMode`
* `@C.BufferFlags`
* `@C.ColorRange`
* `@C.ColorSpace`
* `@C.ColorTransfer`
* `@C.CryptoMode`
* `@C.Encoding`
* `@C.PcmEncoding`
* `@C.Projection`
* `@C.SelectionReason`
* `@C.StereoMode`
* `@C.VideoOutputMode`
* `@CacheDataSource.Flags`
* `@CaptionStyleCompat.EdgeType`
* `@DataSpec.Flags`
* `@DataSpec.HttpMethods`
* `@DecoderDiscardReasons`
* `@DecoderReuseResult`
* `@DefaultAudioSink.OutputMode`
* `@DefaultDrmSessionManager.Mode`
* `@DefaultTrackSelector.SelectionEligibility`
* `@DefaultTsPayloadReaderFactory.Flags`
* `@EGLSurfaceTexture.SecureMode`
* `@EbmlProcessor.ElementType`
* `@ExoMediaDrm.KeyRequest.RequestType`
* `@ExtensionRendererMode`
* `@Extractor.ReadResult`
* `@FileTypes.Type`
* `@FlacExtractor.Flags` (in `com.google.android.exoplayer2.ext.flac`
package)
* `@FlacExtractor.Flags` (in
`com.google.android.exoplayer2.extractor.flac` package)
* `@FragmentedMp4Extractor.Flags`
* `@HlsMediaPlaylist.PlaylistType`
* `@HttpDataSourceException.Type`
* `@IllegalClippingException.Reason`
* `@IllegalMergeException.Reason`
* `@LoadErrorHandlingPolicy.FallbackType`
* `@MatroskaExtractor.Flags`
* `@Mp3Extractor.Flags`
* `@Mp4Extractor.Flags`
* `@NotificationUtil.Importance`
* `@PlaybackException.FieldNumber`
* `@PlayerNotificationManager.Priority`
* `@PlayerNotificationManager.Visibility`
* `@PlayerView.ShowBuffering`
* `@Renderer.State`
* `@RendererCapabilities.AdaptiveSupport`
* `@RendererCapabilities.Capabilities`
* `@RendererCapabilities.DecoderSupport`
* `@RendererCapabilities.FormatSupport`
* `@RendererCapabilities.HardwareAccelerationSupport`
* `@RendererCapabilities.TunnelingSupport`
* `@SampleStream.ReadDataResult`
* `@SampleStream.ReadFlags`
* `@StyledPlayerView.ShowBuffering`
* `@SubtitleView.ViewType`
* `@TextAnnotation.Position`
* `@TextEmphasisSpan.MarkFill`
* `@TextEmphasisSpan.MarkShape`
* `@Track.Transformation`
* `@TrackOutput.SampleDataPart`
* `@Transformer.ProgressState`
* `@TsExtractor.Mode`
* `@TsPayloadReader.Flags`
* `@WebvttCssStyle.FontSizeUnit`
### 2.16.1 (2021-11-18)
* Core Library:
* Fix track selection issue where overriding one track group did not
disable other track groups of the same type
([#9675](https://github.com/google/ExoPlayer/issues/9675)).
* Fix track selection issue where a mixture of non-empty and empty track
overrides is not applied correctly
([#9649](https://github.com/google/ExoPlayer/issues/9649)).
* Add protected method `DefaultRenderersFactory.getCodecAdapterFactory()`
so that subclasses of `DefaultRenderersFactory` that override
`buildVideoRenderers()` or `buildAudioRenderers()` can access the codec
adapter factory and pass it to `MediaCodecRenderer` instances they
create.
* Propagate ICY header fields `name` and `genre` to
`MediaMetadata.station` and `MediaMetadata.genre` respectively so that
they reach the app via `Player.Listener.onMediaMetadataChanged()`
([#9677](https://github.com/google/ExoPlayer/issues/9677)).
* Remove null keys from `DefaultHttpDataSource#getResponseHeaders`.
* Extractors:
* WAV: Add support for RF64 streams
([#9543](https://github.com/google/ExoPlayer/issues/9543)).
* DASH:
* Add parsed essential and supplemental properties to the `Representation`
([#9579](https://github.com/google/ExoPlayer/issues/9579)).
* HLS:
* Correctly populate `Format.label` for audio only HLS streams
([#9608](https://github.com/google/ExoPlayer/issues/9608)).
### 2.16.0 (2021-11-04)
* Core Library:
* Deprecate `SimpleExoPlayer`. All functionality has been moved to
`ExoPlayer` instead. `ExoPlayer.Builder` can be used instead of
`SimpleExoPlayer.Builder`.
* Add track selection methods to the `Player` interface, for example,
`Player.getCurrentTracksInfo` and `Player.setTrackSelectionParameters`.
These methods can be used instead of directly accessing the track
selector.
* Enable MediaCodec asynchronous queueing by default on devices with API
level >= 31. Add methods in `DefaultMediaCodecRendererFactory` and
`DefaultRenderersFactory` to force enable or force disable asynchronous
queueing ([6348](https://github.com/google/ExoPlayer/issues/6348)).
* Remove final dependency on `jcenter()`.
* Fix `mediaMetadata` being reset when media is repeated
([#9458](https://github.com/google/ExoPlayer/issues/9458)).
* Adjust `ExoPlayer` `MediaMetadata` update priority, such that values
input through the `MediaItem.MediaMetadata` are used above media derived
values.
* Move `com.google.android.exoplayer2.device.DeviceInfo` to
`com.google.android.exoplayer2.DeviceInfo`.
* Move `com.google.android.exoplayer2.drm.DecryptionException` to
`com.google.android.exoplayer2.decoder.CryptoException`.
* Move `com.google.android.exoplayer2.upstream.cache.CachedRegionTracker`
to `com.google.android.exoplayer2.upstream.CachedRegionTracker`.
* Move `Player.addListener(EventListener)` and
`Player.removeListener(EventListener)` out of `Player` into subclasses.
* Android 12 compatibility:
* Keep `DownloadService` started and in the foreground whilst waiting for
requirements to be met on Android 12. This is necessary due to new
[foreground service launch restrictions](https://developer.android.com/about/versions/12/foreground-services).
`DownloadService.getScheduler` will not be called on Android 12 devices.
* Disable platform transcoding when playing content URIs on Android 12.
* Add `ExoPlayer.setVideoChangeFrameRateStrategy` to allow disabling of
calls from the player to `Surface.setFrameRate`. This is useful for
applications wanting to call `Surface.setFrameRate` directly from
application code with Android 12's `Surface.CHANGE_FRAME_RATE_ALWAYS`.
* Upgrade the WorkManager extension to depend on
`androidx.work:work-runtime:2.7.0`. Earlier versions of `work-runtime`
are not compatible with apps targeting Android 12, and will crash with
an `IllegalArgumentException` when creating `PendingIntent`s
([#9181](https://github.com/google/ExoPlayer/issues/9181)).
* Video:
* Fix bug in `MediaCodecVideoRenderer` that resulted in re-using a
released `Surface` when playing without an app-provided `Surface`
([#9476](https://github.com/google/ExoPlayer/issues/9476)).
* DRM:
* Log an error (instead of throwing `IllegalStateException`) when calling
`DefaultDrmSession#release()` on a fully released session
([#9392](https://github.com/google/ExoPlayer/issues/9392)).
* UI:
* `SubtitleView` no longer implements `TextOutput`. `SubtitleView`
implements `Player.Listener`, so can be registered to a player with
`Player.addListener`.
* Fix initial timestamp display in `PlayerControlView`
([#9524](https://github.com/google/ExoPlayer/issues/9254)).
* Fix capitalization of languages in the track selector
([#9452](https://github.com/google/ExoPlayer/issues/9452)).
* Extractors:
* MP4: Correctly handle HEVC tracks with pixel aspect ratios other than 1.
* MP4: Add support for Dolby TrueHD (only for unfragmented streams)
([#9496](https://github.com/google/ExoPlayer/issues/9496)).
* MP4: Avoid throwing `ArrayIndexOutOfBoundsException` when parsing
invalid `colr` boxes produced by some device cameras
([#9332](https://github.com/google/ExoPlayer/issues/9332)).
* MP4: Parse HDR static metadata from the `clli` and `mdcv` boxes.
* TS: Correctly handle HEVC tracks with pixel aspect ratios other than 1.
* TS: Map stream type 0x80 to H262
([#9472](https://github.com/google/ExoPlayer/issues/9472)).
* Downloads and caching:
* Modify `DownloadService` behavior when `DownloadService.getScheduler`
returns `null`, or returns a `Scheduler` that does not support the
requirements for downloads to continue. In both cases, `DownloadService`
will now remain started and in the foreground whilst waiting for
requirements to be met.
* Modify `DownloadService` behavior when running on Android 12 and above.
See the "Android 12 compatibility" section above.
* RTSP:
* Support RFC4566 SDP attribute field grammar
([#9430](https://github.com/google/ExoPlayer/issues/9430)).
* DASH:
* Populate `Format.sampleMimeType`, `width` and `height` for image
`AdaptationSet` elements
([#9500](https://github.com/google/ExoPlayer/issues/9500)).
* HLS:
* Fix rounding error in HLS playlists
([#9575](https://github.com/google/ExoPlayer/issues/9575)).
* Fix `NoSuchElementException` thrown when an HLS manifest declares
`#EXT-X-RENDITION-REPORT` at the beginning of the playlist
([#9592](https://github.com/google/ExoPlayer/issues/9592)).
* RTMP extension:
* Upgrade to `io.antmedia:rtmp_client`, which does not rely on `jcenter()`
([#9591](https://github.com/google/ExoPlayer/issues/9591)).
* MediaSession extension:
* Rename
`MediaSessionConnector.QueueNavigator#onCurrentWindowIndexChanged` to
`onCurrentMediaItemIndexChanged`.
* Transformer:
* Avoid sending a duplicate timestamp to the encoder with the end of
stream buffer.
* Remove deprecated symbols:
* Remove `Renderer.VIDEO_SCALING_MODE_*` constants. Use identically named
constants in `C` instead.
* Remove `C.MSG_*` constants. Use identically named constants in
`Renderer` instead, except for `C.MSG_SET_SURFACE`, which is replaced
with `Renderer.MSG_SET_VIDEO_OUTPUT`.
* Remove `DeviceListener`. Use `Player.Listener` instead.
* Remove `CacheDataSourceFactory`. Use `CacheDataSource.Factory` instead.
* Remove `CacheDataSinkFactory`. Use `CacheDataSink.Factory` instead.
* Remove `FileDataSourceFactory`. Use `FileDataSource.Factory` instead.
* Remove `SimpleExoPlayer.addMetadataOutput` and `removeMetadataOutput`.
Use `Player.addListener` and `Player.Listener` instead.
* Remove `SimpleExoPlayer.addAudioListener`, `removeAudioListener` and
`AudioListener`. Use `Player.addListener` and `Player.Listener` instead.
* Remove `SimpleExoPlayer.addVideoListener`, `removeVideoListener` and
`VideoListener`. Use `Player.addListener` and `Player.Listener` instead.
* Remove `DefaultHttpDataSourceFactory`. Use
`DefaultHttpDataSource.Factory` instead.
* Remove `SingleSampleMediaSource.createMediaSource(Uri, Format, long)`.
Use `SingleSampleMediaSource.createMediaSource(MediaItem.Subtitle,
long)` instead.
* Remove `HttpDataSource.Factory.getDefaultRequestProperties`. Use
`HttpDataSource.Factory.setDefaultRequestProperties` instead.
* Remove `GvrAudioProcessor` and the GVR extension, which has been
deprecated since 2.11.0.
* Remove `DownloadService.onDownloadChanged` and
`DownloadService.onDownloadRemoved`. Instead, use
`DownloadManager.addListener` to register a listener directly to the
`DownloadManager` returned through `DownloadService.getDownloadManager`.
* Remove `Player.getCurrentStaticMetadata`,
`Player.Listener.onStaticMetadataChanged` and
`Player.EVENT_STATIC_METADATA_CHANGED`. Use `Player.getMediaMetadata`,
`Player.Listener.onMediaMetadataChanged` and
`Player.EVENT_MEDIA_METADATA_CHANGED` for convenient access to
structured metadata, or access the raw static metadata directly from the
`TrackSelection#getFormat()`.
* Remove `ControlDispatcher` and `DefaultControlDispatcher`. Operations
can be customized by using a `ForwardingPlayer`, or when configuring the
player (for example by using
`ExoPlayer.Builder.setSeekBackIncrementMs`).
### 2.15.1 (2021-09-20)
* Core Library:
* Fix track selection in `StyledPlayerControlView` when using
`ForwardingPlayer`.
* Fix `FlagSet#equals` on API levels below 24.
* Fix `NullPointerException` being thrown from `CacheDataSource` when
reading a fully cached resource with `DataSpec.position` equal to the
resource length.
* Fix a bug when [depending on ExoPlayer locally](README.md#locally) with
a relative path
([#9403](https://github.com/google/ExoPlayer/issues/9403)).
* Better handle invalid seek requests. Seeks to positions that are before
the start or after the end of the media are now handled as seeks to the
start and end respectively
([8906](https://github.com/google/ExoPlayer/issues/8906)).
* Rename `MimeTypes.AUDIO_DTS_UHD` to `MimeTypes.AUDIO_DTS_X` and add
required profile to its value
([#9429](https://github.com/google/ExoPlayer/issues/9429)).
* Extractors:
* Support TS packets without PTS flag
([#9294](https://github.com/google/ExoPlayer/issues/9294)).
* Fix issue decoding ID3 tags containing UTF-16 encoded strings
([#9087](https://github.com/google/ExoPlayer/issues/9087)).
* Video:
* Request smaller decoder input buffers for Dolby Vision. This fixes an
issue that could cause UHD Dolby Vision playbacks to fail on some
devices, including Amazon Fire TV 4K.
* DRM:
* Fix `DefaultDrmSessionManager` to correctly eagerly release preacquired
DRM sessions when there's a shortage of DRM resources on the device.
* Downloads and caching:
* Workaround platform issue that can cause a `SecurityException` to be
thrown from `Requirements.isInternetConnectivityValidated` on devices
running Android 11
([#9002](https://github.com/google/ExoPlayer/issues/9002)).
* DASH:
* Use identical cache keys for downloading and playing DASH segments
([#9370](https://github.com/google/ExoPlayer/issues/9370)).
* Fix base URL selection and load error handling when base URLs are shared
across adaptation sets.
* HLS:
* Fix bug where the player would get stuck if all download attempts fail
and would not raise an error to the application
([#9390](https://github.com/google/ExoPlayer/issues/9390)).
* RTSP:
* Handle when additional spaces are in SDP's RTPMAP atrribute
([#9379](https://github.com/google/ExoPlayer/issues/9379)).
* Handle partial URIs in RTP-Info headers
([#9346](https://github.com/google/ExoPlayer/issues/9346)).
* Fix RTSP Session header handling
([#9416](https://github.com/google/ExoPlayer/issues/9416)).
* Fix RTSP WWW-Authenticate header parsing
([#9428](https://github.com/google/ExoPlayer/issues/9428)).
* UI:
* Use `defStyleAttr` when obtaining styled attributes in
`StyledPlayerView`, `PlayerView` and `PlayerControlView`
([#9024](https://github.com/google/ExoPlayer/issues/9024)).
* Fix accessibility focus in `PlayerControlView`
([#9111](https://github.com/google/ExoPlayer/issues/9111)).
* Fix issue that `StyledPlayerView` and `PlayerView` don't update UI when
available player commands change.
* Cast extension:
* Implement `CastPlayer.setPlaybackParameters(PlaybackParameters)` to
support setting the playback speed
([#6784](https://github.com/google/ExoPlayer/issues/6784)).
### 2.15.0 (2021-08-10)
* Core Library:
* Add `MediaCodecAdapter.needsReconfiguration` method.
* Add `getSeekBackIncrement`, `seekBack`, `getSeekForwardIncrement`,
`seekForward`, `getMaxSeekToPreviousPosition`, `seekToPrevious` and
`seekToNext` methods to `Player`.
* Rename `Player` methods:
* `hasPrevious` to `hasPreviousWindow`.
* `previous` to `seekToPreviousWindow`.
* `hasNext` to `hasNextWindow`.
* `next` to `seekToNextWindow`.
* Rename `Player` commands:
* `COMMAND_SEEK_IN_CURRENT_MEDIA_ITEM` to
`COMMAND_SEEK_IN_CURRENT_WINDOW`.
* `COMMAND_SEEK_TO_NEXT_MEDIA_ITEM` to `COMMAND_SEEK_TO_NEXT_WINDOW`.
* `COMMAND_SEEK_TO_PREVIOUS_MEDIA_ITEM` to
`COMMAND_SEEK_TO_PREVIOUS_WINDOW`.
* `COMMAND_SEEK_TO_MEDIA_ITEM` to `COMMAND_SEEK_TO_WINDOW`.
* `COMMAND_GET_MEDIA_ITEMS` to `COMMAND_GET_TIMELINE`.
* Rename `Player.EventFlags` IntDef to `Player.Event`.
* Make `Player` depend on the new `PlaybackException` class instead of
`ExoPlaybackException`:
* `Player.getPlayerError` now returns a `PlaybackException`.
* `Player.Listener.onPlayerError` now receives a `PlaybackException`.
* Add a new listener method `Player.Listener.onPlayerErrorChanged`,
which is equivalent to `onPlayerError` except that it is also called
when the player error becomes `null`.
* `Player` implementations like `ExoPlayer` may use
`PlaybackException` subclasses (like `ExoPlaybackException`), so
users can downcast the `PlaybackException` instance to obtain
implementation-specific fields (like
`ExoPlaybackException.rendererIndex`).
* `PlaybackException` introduces an `errorCode` which identifies the cause
of the failure in order to simplify error handling
([#1611](https://github.com/google/ExoPlayer/issues/1611)).
* Add a `DefaultMediaDescriptionAdapter` for the
`PlayerNotificationManager`, that makes use of the `Player`
`MediaMetadata` to populate the notification fields.
* Add `@FallbackType` to `LoadErrorHandlingPolicy` to support
customization of the exclusion duration for locations and tracks.
* Change interface of `LoadErrorHandlingPolicy` to support configuring the
behavior of track and location fallback. Location fallback is currently
only supported for DASH manifests with multiple base URLs.
* Restrict use of `AudioTrack.isDirectPlaybackSupported` to TVs, to avoid
listing audio offload encodings as supported for passthrough mode on
mobile devices
([#9239](https://github.com/google/ExoPlayer/issues/9239)).
* Extractors:
* Add support for DTS-UHD in MP4
([#9163](https://github.com/google/ExoPlayer/issues/9163)).
* Text:
* TTML: Inherit the `rubyPosition` value from a containing `<span
ruby="container">` element.
* WebVTT: Add support for CSS `font-size` property
([#8964](https://github.com/google/ExoPlayer/issues/8964)).
* Ad playback:
* Support changing ad break positions in the player logic
([#5067](https://github.com/google/ExoPlayer/issues/5067)).
* Support resuming content with an offset after an ad group.
* UI:
* Add `setUseRewindAction` and `setUseFastForwardAction` to
`PlayerNotificationManager`, and `setUseFastForwardActionInCompactView`
and `setUseRewindActionInCompactView` to show the actions in compact
view mode.
* Remove `rewind_increment` and `fastforward_increment` attributes from
`PlayerControlView` and `StyledPlayerControlView`. These increments can
be customized by configuring the `Player` (see `setSeekBackIncrementMs`
and `setSeekForwardIncrementMs` in `SimpleExoPlayer.Builder`), or by
using a `ForwardingPlayer` that overrides `getSeekBackIncrement`,
`seekBack`, `getSeekForwardIncrement` and `seekForward`. The rewind and
fast forward buttons can be disabled by using a `ForwardingPlayer` that
removes `COMMAND_SEEK_BACK` and `COMMAND_SEEK_FORWARD` from the
available commands.
* Update `DefaultControlDispatcher` `getRewindIncrementMs` and
`getFastForwardIncrementMs` to take the player as parameter.
* DASH:
* Add support for multiple base URLs and DVB attributes in the manifest.
Apps that are using `DefaultLoadErrorHandlingPolicy` with such manifests
have base URL fallback automatically enabled
([#771](https://github.com/google/ExoPlayer/issues/771),
[#7654](https://github.com/google/ExoPlayer/issues/7654)).
* HLS:
* Fix issue that could cause some playbacks to be stuck buffering
([#8850](https://github.com/google/ExoPlayer/issues/8850),
[#9153](https://github.com/google/ExoPlayer/issues/9153)).
* Report audio track type in
`AnalyticsListener.onDownstreamFormatChanged()` for audio-only
playlists, so that the `PlaybackStatsListener` can derive audio
format-related information
([#9175](https://github.com/google/ExoPlayer/issues/9175)).
* RTSP:
* Use standard RTSP header names
([#9182](https://github.com/google/ExoPlayer/issues/9182)).
* Handle an extra semicolon in SDP fmtp attribute
([#9247](https://github.com/google/ExoPlayer/pull/9247)).
* Fix handling of special characters in the RTSP session ID
([#9254](https://github.com/google/ExoPlayer/issues/9254)).
* SmoothStreaming:
* Propagate `StreamIndex` element `Name` attribute value as `Format` label
([#9252](https://github.com/google/ExoPlayer/issues/9252)).
* Cronet extension:
* Add `CronetDataSource.Factory.setRequestPriority` to allow setting the
priority of requests made by `CronetDataSource` instances.
* OkHttp extension:
* Switch to OkHttp 4.9.1. This increases the extension's minimum SDK
version requirement from 16 to 21.
* Remove deprecated symbols:
* Remove `CastPlayer` specific playlist manipulation methods. Use
`setMediaItems`, `addMediaItems`, `removeMediaItem` and `moveMediaItem`
instead.
* Remove `Format.create` methods. Use `Format.Builder` instead.
* Remove `MediaSource.getTag`. Use `MediaSource.getMediaItem` and
`MediaItem.PlaybackProperties.tag` instead.
* Remove `PlaybackPreparer`. UI components that previously had
`setPlaybackPreparer` methods will now call `Player.prepare` by default.
If this behavior is sufficient, use of `PlaybackPreparer` can be removed
from application code without replacement. For custom preparation logic,
use a `ForwardingPlayer` that implements custom preparation logic in
`prepare`.
* Remove `Player.Listener.onTimelineChanged(Timeline, Object, int)`. Use
`Player.Listener.onTimelineChanged(Timeline, int)` instead. The manifest
can be accessed using `Player.getCurrentManifest`.
* Remove `Player.getCurrentTag`. Use `Player.getCurrentMediaItem` and
`MediaItem.PlaybackProperties.tag` instead.
* Remove `Player.getPlaybackError`. Use `Player.getPlayerError` instead.
* Remove `PlayerNotificationManager` constructors and `createWith`
methods. Use `PlayerNotificationManager.Builder` instead.
* Remove `PlayerNotificationManager.setNotificationListener`. Use
`PlayerNotificationManager.Builder.setNotificationListener` instead.
* Remove `PlayerNotificationManager` `setUseNavigationActions` and
`setUseNavigationActionsInCompactView`. Use `setUseNextAction`,
`setUsePreviousAction`, `setUseNextActionInCompactView` and
`setUsePreviousActionInCompactView` instead.
* Remove `setRewindIncrementMs` and `setFastForwardIncrementMs` from UI
components. These increments can be customized by configuring the
`Player` (see `setSeekBackIncrementMs` and `setSeekForwardIncrementMs`
in `SimpleExoPlayer.Builder`), or by using a `ForwardingPlayer` that
overrides `getSeekBackIncrement`, `seekBack`, `getSeekForwardIncrement`
and `seekForward`. The rewind and fast forward buttons can be disabled
by using a `ForwardingPlayer` that removes `COMMAND_SEEK_BACK` and
`COMMAND_SEEK_FORWARD` from the available commands.
* Remove `Timeline.getWindow(int, Window, boolean)`. Use
`Timeline.getWindow(int, Window)` instead, which will always set tags.
### 2.14.2 (2021-07-20)
* Core Library:
* Explicitly mark several methods on `SimpleExoPlayer` as `@Deprecated`.
These methods are all overrides and are already deprecated on `Player`
and the respective `ExoPlayer` component classes (since 2.14.0).
* Video:
* Fix `IncorrectContextUseViolation` strict mode warning on Android 11
([#8246](https://github.com/google/ExoPlayer/pull/8246)).
* Audio:
* Fix track selection for E-AC-3 streams.
* Use `AudioTrack.isDirectPlaybackSupported` to check for encoded audio
passthrough capability from API 29 onwards, instead of using the HDMI
audio plug intent
([#6500](https://github.com/google/ExoPlayer/pull/6500)).
* Extractors:
* Fix issue where a `trun` atom could be associated with the wrong track
in an FMP4 stream
([#9056](https://github.com/google/ExoPlayer/pull/9056)). The fix
removes a previous workaround to handle content in which the `track_ID`
is set incorrectly
([#4083](https://github.com/google/ExoPlayer/issues/4083)). Such content
is malformed and should be re-encoded.
* Improve support for truncated Ogg streams
([#7608](https://github.com/google/ExoPlayer/issues/7608)).
* Add support for MP4 H263 atom type
([#9158](https://github.com/google/ExoPlayer/issues/9158)).
* Fix issue around TS synchronization when reading a file's duration
([#9100](https://github.com/google/ExoPlayer/pull/9100)).
* HLS:
* Fix issue where playback of a live event could become stuck rather than
transitioning to `STATE_ENDED` when the event ends
([#9067](https://github.com/google/ExoPlayer/issues/9067)).
* Fix issue where a new initialization segment, as specified by an
`EXT-X-MAP` tag in a media playlist, would not be loaded when
encountered during playback
([#9004](https://github.com/google/ExoPlayer/issues/9004)).
* Forward the `FRAME-RATE` value from the master playlist to renditions.
([#8960](https://github.com/google/ExoPlayer/issues/8960)).
* Fix issue where HLS events would start at positions greater than
specified by an `EXT-X-START` tag when placed in a playlist
([#9037](https://github.com/google/ExoPlayer/issues/9037)).
* Ad playback:
* Use the content URI when auto-generating an ad ID (in addition to the
media ID and ad tag URI)
([#9106](https://github.com/google/ExoPlayer/issues/9106).
* DRM:
* Allow repeated provisioning in `DefaultDrmSession(Manager)`.
* Fix a crash due to `DefaultDrmSessionManager.release()` incorrectly
releasing too many keep-alive `DefaultDrmSession` references, resulting
in `DefaultDrmSession.release()` throwing an `IllegalStateException`
([#9193](https://github.com/google/ExoPlayer/issues/9193)).
* Metadata:
* Fix handling of emsg messages with an unset duration
([#9123](https://github.com/google/ExoPlayer/issues/9123)).
* UI:
* Add `PendingIntent.FLAG_IMMUTABLE` when creating broadcast intents in
`PlayerNotificationManager`. This is required by a
[behaviour change](https://developer.android.com/about/versions/12/behavior-changes-12#pending-intent-mutability)
in Android 12.
* Fix focusability of `StyledPlayerView` and `StyledPlayerControlView`
popup menus on API levels prior to 26
([#9061](https://github.com/google/ExoPlayer/issues/9061)).
* Fix progress bar flickering immediately after the user seeks
([#9049](https://github.com/google/ExoPlayer/pull/9049)).
* Fix `StyledPlayerView` and `StyledPlayerControlView` popup menu items
not expanding to occupy the full width of the popup
([#9086](https://github.com/google/ExoPlayer/issues/9086)).
* Don't propagate `AttributeSet` from `SubtitleView` constructor into
`CanvasSubtitleOutput`. Just passing the `Context` is enough, and
ensures programmatic changes to the `SubtitleView` will propagate down.
* RTSP:
* Fix session description (SDP) parsing to use a HashMap-like behaviour
for duplicated attributes.
([#9014](https://github.com/google/ExoPlayer/issues/9014)).
* Allow using absolute URI in the control attribute in a media description
([#9183](https://github.com/google/ExoPlayer/issues/9183)).
* Allow the timeout to be customised via
`RtspMediaSource.Factory.setTimeoutMs`.
### 2.14.1 (2021-06-11)
* Core Library:
* Fix gradle config to allow specifying a relative path for
`exoplayerRoot` when [depending on ExoPlayer locally](README.md#locally)
([#8927](https://github.com/google/ExoPlayer/issues/8927)).
* Update `MediaItem.Builder` javadoc to discourage calling setters that
will be (currently) ignored if another setter is not also called.
* Extractors:
* Add support for MPEG-H 3D Audio in MP4 extractors
([#8860](https://github.com/google/ExoPlayer/pull/8860)).
* Video:
* Fix bug that could cause `CodecException: Error 0xffffffff` to be thrown
from `MediaCodec.native_setSurface` in use cases that involve both
swapping the output `Surface` and a mixture of secure and non-secure
content being played
([#8776](https://github.com/google/ExoPlayer/issues/8776)).
* HLS:
* Use the `PRECISE` attribute in `EXT-X-START` to select the default start
position.
* Fix a bug where skipping into spliced-in chunks triggered an assertion
error ([#8937](https://github.com/google/ExoPlayer/issues/8937)).
* DRM:
* Keep secure `MediaCodec` instances initialized when disabling (but not
resetting) `MediaCodecRenderer`. This helps re-use secure decoders in
more contexts, which avoids the 'black flash' caused by detaching a
`Surface` from a secure decoder on some devices
([#8842](https://github.com/google/ExoPlayer/issues/8842)). It will also
result in DRM license refresh network requests while the player is
stopped if `Player#setForegroundMode` is true.
* Fix issue where offline keys were unnecessarily (and incorrectly)
restored into a session before being released. This call sequence is
explicitly disallowed in OEMCrypto v16.
* UI:
* Keep subtitle language features embedded (e.g. rubies & tate-chu-yoko)
in `Cue.text` even when `SubtitleView#setApplyEmbeddedStyles()` is
`false`.
* Fix `NullPointerException` in `StyledPlayerView` that could occur after
calling `StyledPlayerView.setPlayer(null)`
([#8985](https://github.com/google/ExoPlayer/issues/8985)).
* RTSP:
* Add support for RTSP basic and digest authentication
([#8941](https://github.com/google/ExoPlayer/issues/8941)).
* Enable using repeat mode and playlist with RTSP
([#8994](https://github.com/google/ExoPlayer/issues/8994)).
* Add `RtspMediaSource.Factory` option to set the RTSP user agent.
* Add `RtspMediaSource.Factory` option to force using TCP for streaming.
* GL demo app:
* Fix texture transformation to avoid green bars shown on some videos
([#8992](https://github.com/google/ExoPlayer/issues/8992)).
### 2.14.0 (2021-05-13)
* Core Library:
* Move `Player` components to `ExoPlayer`. For example
`Player.VideoComponent` is now `ExoPlayer.VideoComponent`.
* The most used methods of `Player`'s audio, video, text and metadata
components have been added directly to `Player`.
* Add `Player.getAvailableCommands`, `Player.isCommandAvailable` and
`Listener.onAvailableCommandsChanged` to query which commands that can
be executed on the player.
* Add a `Player.Listener` interface to receive all player events.
Component listeners and `EventListener` have been deprecated.
* Add `Player.getMediaMetadata`, which returns a combined and structured
`MediaMetadata` object. Changes to metadata are reported to
`Listener.onMediaMetadataChanged`.
* `Player.setPlaybackParameters` no longer accepts null, use
`PlaybackParameters.DEFAULT` instead.
* Report information about the old and the new playback positions to
`Listener.onPositionDiscontinuity`. Add `DISCONTINUITY_REASON_SKIP` and
`DISCONTINUITY_REASON_REMOVE` as discontinuity reasons, and rename
`DISCONTINUITY_REASON_PERIOD_TRANSITION` to
`DISCONTINUITY_REASON_AUTO_TRANSITION`. Remove
`DISCONTINUITY_REASON_AD_INSERTION`, for which
`DISCONTINUITY_REASON_AUTO_TRANSITION` is used instead
([#6163](https://github.com/google/ExoPlayer/issues/6163),
[#4768](https://github.com/google/ExoPlayer/issues/4768)).
* Deprecate `ExoPlayer.Builder`. Use `SimpleExoPlayer.Builder` instead.
* Move `Player.getRendererCount` and `Player.getRendererType` to
`ExoPlayer`.
* Use an empty string instead of the URI if the media ID is not explicitly
set with `MediaItem.Builder.setMediaId(String)`.
* Remove `MediaCodecRenderer.configureCodec()` and add
`MediaCodecRenderer.getMediaCodecConfiguration()`. The new method is
called just before the `MediaCodec` is created and returns the
parameters needed to create and configure the `MediaCodec` instance.
Applications can override `MediaCodecRenderer.onCodecInitialized()` to
be notified after a `MediaCodec` is initialized, or they can inject a
custom `MediaCodecAdapter.Factory` if they want to control how the
`MediaCodec` is configured.
* Promote `AdaptiveTrackSelection.AdaptationCheckpoint` to `public`
visibility to allow Kotlin subclasses of
`AdaptiveTrackSelection.Factory`
([#8830](https://github.com/google/ExoPlayer/issues/8830)).
* Fix bug when transitions from content to ad periods called
`onMediaItemTransition` by mistake.
* `AdsLoader.AdViewProvider` and `AdsLoader.OverlayInfo` have been renamed
`com.google.android.exoplayer2.ui.AdViewProvider` and
`com.google.android.exoplayer2.ui.AdOverlayInfo` respectively.
* `CaptionStyleCompat` has been moved to the
`com.google.android.exoplayer2.ui` package.
* `DebugTextViewHelper` has been moved from the `ui` package to the `util`
package.
* RTSP:
* Initial support for RTSP playbacks
([#55](https://github.com/google/ExoPlayer/issues/55)).
* Downloads and caching:
* Fix `CacheWriter` to correctly handle cases where the request `DataSpec`
extends beyond the end of the underlying resource. Caching will now
succeed in this case, with data up to the end of the resource being
cached. This behaviour is enabled by default, and so the
`allowShortContent` parameter has been removed
([#7326](https://github.com/google/ExoPlayer/issues/7326)).
* Fix `CacheWriter` to correctly handle `DataSource.close` failures, for
which it cannot be assumed that data was successfully written to the
cache.
* DRM:
* Prepare DRM sessions (and fetch keys) ahead of the playback position
([#4133](https://github.com/google/ExoPlayer/issues/4133)).
* Only dispatch DRM session acquire and release events once per period
when playing content that uses the same encryption keys for both audio &
video tracks. Previously, separate acquire and release events were
dispatched for each track in each period.
* Include the session state in DRM session-acquired listener methods.
* UI:
* Add `PlayerNotificationManager.Builder`, with the ability to specify
which group the notification should belong to.
* Remove `setUseSensorRotation` from `PlayerView` and `StyledPlayerView`.
Instead, cast the view returned by `getVideoSurfaceView` to
`SphericalGLSurfaceView`, and then call `setUseSensorRotation` on the
`SphericalGLSurfaceView` directly.
* Analytics:
* Add `onAudioCodecError` and `onVideoCodecError` to `AnalyticsListener`.
* Video:
* Add `Player.getVideoSize()` to retrieve the current size of the video
stream. Add `Listener.onVideoSizeChanged(VideoSize)` and deprecate
`Listener.onVideoSizeChanged(int, int, int, float)`.
* Audio:
* Report unexpected audio discontinuities to
`AnalyticsListener.onAudioSinkError`
([#6384](https://github.com/google/ExoPlayer/issues/6384)).
* Allow forcing offload for gapless content even if gapless playback is
not supported.
* Allow fall back from DTS-HD to DTS when playing via passthrough.
* Text:
* Fix overlapping lines when using `SubtitleView.VIEW_TYPE_WEB`.
* Parse SSA/ASS underline & strikethrough info in `Style:` lines
([#8435](https://github.com/google/ExoPlayer/issues/8435)).
* Ensure TTML `tts:textAlign` is correctly propagated from `<p>` nodes to
child nodes.
* Support TTML `ebutts:multiRowAlign` attributes.
* Allow the use of Android platform extractors through
[MediaParser](https://developer.android.com/reference/android/media/MediaParser).
Only supported on API 30+.
* You can use platform extractors for progressive media by passing
`MediaParserExtractorAdapter.FACTORY` when creating a
`ProgressiveMediaSource.Factory`.
* You can use platform extractors for HLS by passing
`MediaParserHlsMediaChunkExtractor.FACTORY` when creating a
`HlsMediaSource.Factory`.
* You can use platform extractors for DASH by passing a
`DefaultDashChunkSource` that uses `MediaParserChunkExtractor.FACTORY`
when creating a `DashMediaSource.Factory`.
* Cast extension:
* Trigger `onMediaItemTransition` event for all reasons except
`MEDIA_ITEM_TRANSITION_REASON_REPEAT`.
* MediaSession extension:
* Remove dependency on `exoplayer-core`, relying only `exoplayer-common`
instead. To achieve this, `TimelineQueueEditor` uses a new
`MediaDescriptionConverter` interface, and no longer relies on
`ConcatenatingMediaSource`.
* Remove deprecated symbols:
* Remove `ExoPlayerFactory`. Use `SimpleExoPlayer.Builder` instead.
* Remove `Player.DefaultEventListener`. Use `Player.Listener` instead.
* Remove `ExtractorMediaSource`. Use `ProgressiveMediaSource` instead.
* Remove `DefaultMediaSourceEventListener`. Use `MediaSourceEventListener`
instead.
* Remove `DashManifest` constructor. Use the remaining constructor with
`programInformation` and `serviceDescription` set to `null` instead.
* Remove `CryptoInfo.getFrameworkCryptoInfoV16`. Use
`CryptoInfo.getFrameworkCryptoInfo` instead.
* Remove `NotificationUtil.createNotificationChannel(Context, String, int,
int)`. Use `createNotificationChannel(Context, String, int, int, int)`
instead.
* Remove `PlayerNotificationManager.setNotificationListener`. Use
`PlayerNotificationManager.Builder.setNotificationListener` instead.
* Remove `PlayerNotificationManager.NotificationListener`
`onNotificationStarted(int, Notification)` and
`onNotificationCancelled(int)`. Use `onNotificationPosted(int,
Notification, boolean)` and `onNotificationCancelled(int, boolean)`
instead.
* Remove `DownloadNotificationUtil`. Use `DownloadNotificationHelper`
instead.
* Remove `extension-jobdispatcher` module. Use the `extension-workmanager`
module instead.
### 2.13.3 (2021-04-14)
* Published via the Google Maven repository (i.e., google()) rather than
JCenter.
* Core:
* Reset playback speed when live playback speed control becomes unused
([#8664](https://github.com/google/ExoPlayer/issues/8664)).
* Fix playback position issue when re-preparing playback after a
`BehindLiveWindowException`
([#8675](https://github.com/google/ExoPlayer/issues/8675)).
* Assume Dolby Vision content is encoded as H264 when calculating maximum
codec input size
([#8705](https://github.com/google/ExoPlayer/issues/8705)).
* UI:
* Fix `StyledPlayerView` scrubber not reappearing correctly in some cases
([#8646](https://github.com/google/ExoPlayer/issues/8646)).
* Fix measurement of `StyledPlayerView` and `StyledPlayerControlView` when
`wrap_content` is used
([#8726](https://github.com/google/ExoPlayer/issues/8726)).
* Fix `StyledPlayerControlView` to stay in full mode (rather than minimal
mode) when possible
([#8763](https://github.com/google/ExoPlayer/issues/8763)).
* DASH:
* Parse `forced_subtitle` role from DASH manifests
([#8781](https://github.com/google/ExoPlayer/issues/8781)).
* DASH:
* Fix rounding error that could cause `SegmentTemplate.getSegmentCount()`
to return incorrect values
([#8804](https://github.com/google/ExoPlayer/issues/8804)).
* HLS:
* Fix bug of ignoring `EXT-X-START` when setting the live target offset
([#8764](https://github.com/google/ExoPlayer/pull/8764)).
* Fix incorrect application of byte ranges to `EXT-X-MAP` tags
([#8783](https://github.com/google/ExoPlayer/issues/8783)).
* Fix issue that could cause playback to become stuck if corresponding
`EXT-X-DISCONTINUITY` tags in different media playlists occur at
different positions in time
([#8372](https://github.com/google/ExoPlayer/issues/8372)).
* Fix issue that could cause playback of on-demand content to not start in
cases where the media playlists referenced by the master playlist have
different starting `EXT-X-PROGRAM-DATE-TIME` tags.
* Fix container type detection for segments with incorrect file extension
or HTTP Content-Type
([#8733](https://github.com/google/ExoPlayer/issues/8733)).
* Extractors:
* Add support for `GContainer` and `GContainerItem` XMP namespace prefixes
in JPEG motion photo parsing.
* Allow JFIF APP0 marker segment preceding Exif APP1 segment in
`JpegExtractor`.
* Text:
* Parse SSA/ASS bold & italic info in `Style:` lines
([#8435](https://github.com/google/ExoPlayer/issues/8435)).
* Don't display subtitles after the end position of the current media
period (if known). This ensures sideloaded subtitles respect the end
point of `ClippingMediaPeriod` and prevents content subtitles from
continuing to be displayed over mid-roll ads
([#5317](https://github.com/google/ExoPlayer/issues/5317),
[#8456](https://github.com/google/ExoPlayer/issues/8456)).
* Fix CEA-708 priority handling to sort cues in the order defined by the
spec ([#8704](https://github.com/google/ExoPlayer/issues/8704)).
* Support TTML `textEmphasis` attributes, used for Japanese boutens.
* Support TTML `shear` attributes.
* Metadata:
* Ensure that timed metadata near the end of a period is not dropped
([#8710](https://github.com/google/ExoPlayer/issues/8710)).
* Cast extension:
* Fix `onPositionDiscontinuity` event so that it is not triggered with
reason `DISCONTINUITY_REASON_PERIOD_TRANSITION` after a seek to another
media item and so that it is not triggered after a timeline change.
* IMA extension:
* Fix error caused by `AdPlaybackState` ad group times being cleared,
which can occur if the `ImaAdsLoader` is released while an ad is pending
loading ([#8693](https://github.com/google/ExoPlayer/issues/8693)).
* Upgrade IMA SDK dependency to 3.23.0, fixing an issue with
`NullPointerExceptions` within `WebView` callbacks
([#8447](https://github.com/google/ExoPlayer/issues/8447)).
* FFmpeg extension: Fix playback failure when switching to TrueHD tracks
during playback ([#8616](https://github.com/google/ExoPlayer/issues/8616)).
### 2.13.2 (2021-02-25)
* Extractors:
* Add support for MP4 and QuickTime meta atoms that are not full atoms.
* UI:
* Make conditions to enable UI actions consistent in
`DefaultControlDispatcher`, `PlayerControlView`,
`StyledPlayerControlView`, `PlayerNotificationManager` and
`TimelineQueueNavigator`.
* Fix conditions to enable seeking to next/previous media item to handle
the case where a live stream has ended.
* Audio:
* Fix `SimpleExoPlayer` reporting audio session ID as 0 in some cases
([#8585](https://github.com/google/ExoPlayer/issues/8585)).
* IMA extension:
* Fix a bug where playback could get stuck when seeking into a playlist
item with ads, if the preroll ad had preloaded but the window position
of the seek should instead trigger playback of a midroll.
* Fix a bug with playback of ads in playlists, where the incorrect period
index was used when deciding whether to trigger playback of an ad after
a seek.
* Text:
* Parse SSA/ASS font size in `Style:` lines
([#8435](https://github.com/google/ExoPlayer/issues/8435)).
* VP9 extension: Update to use NDK r21
([#8581](https://github.com/google/ExoPlayer/issues/8581)).
* FLAC extension: Update to use NDK r21
([#8581](https://github.com/google/ExoPlayer/issues/8581)).
* Opus extension: Update to use NDK r21
([#8581](https://github.com/google/ExoPlayer/issues/8581)).
* FFmpeg extension: Update to use NDK r21
([#8581](https://github.com/google/ExoPlayer/issues/8581)).
### 2.13.1 (2021-02-12)
* Live streaming:
* Fix playback issue for HLS live streams without program date time
information ([#8560](https://github.com/google/ExoPlayer/issues/8560)).
* Fix playback issue for multi-period DASH live streams
([#8537](https://github.com/google/ExoPlayer/issues/8537)).
* Fix playback failures when playing live streams with video tunneling
enabled ([#8570](https://github.com/google/ExoPlayer/issues/8570)).
* IMA extension:
* Fix handling of repeated ad loads, to avoid ads being discarded if the
user seeks away and then back to a preloaded postroll (for example).
* Fix a bug where an assertion would fail if the player started to buffer
an ad media period before the ad URI was known then an ad state update
arrived that didn't set the ad URI.
* Add `ImaAdsLoader.focusSkipButton` to allow apps to request that the
skip button should receive UI focus, if shown
([#8565](https://github.com/google/ExoPlayer/issues/8565)).
* DRM:
* Re-use the previous `DrmSessionManager` instance when playing a playlist
(if possible)
([#8523](https://github.com/google/ExoPlayer/issues/8523)).
* Propagate DRM configuration when creating media sources for ad content
([#8568](https://github.com/google/ExoPlayer/issues/8568)).
* Only release 'keepalive' references to `DrmSession` in
`DefaultDrmSessionManager#release()` if keepalive is enabled
([#8576](https://github.com/google/ExoPlayer/issues/8576)).
### 2.13.0 (2021-02-04)
* Core library:
* Verify correct thread usage in `SimpleExoPlayer` by default. Opt-out is
still possible until the next major release using
`setThrowsWhenUsingWrongThread(false)`
([#4463](https://github.com/google/ExoPlayer/issues/4463)).
* Add `Player.getCurrentStaticMetadata` and
`EventListener.onStaticMetadataChanged` to expose static metadata
belonging to the currently playing stream
([#7266](https://github.com/google/ExoPlayer/issues/7266)).
* Add `PlayerMessage.setLooper` and deprecate `PlayerMessage.setHandler`.
* Add option to `MergingMediaSource` to clip the durations of all sources
to have the same length
([#8422](https://github.com/google/ExoPlayer/issues/8422)).
* Remove `Player.setVideoDecoderOutputBufferRenderer` from Player API. Use
`setVideoSurfaceView` and `clearVideoSurfaceView` instead.
* Default `SingleSampleMediaSource.treatLoadErrorsAsEndOfStream` to `true`
so that errors loading external subtitle files do not cause playback to
fail ([#8430](https://github.com/google/ExoPlayer/issues/8430)). A
warning will be logged by `SingleSampleMediaPeriod` whenever a load
error is treated as though the end of the stream has been reached.
* Time out on release to prevent ANRs if an underlying platform call is
stuck ([#4352](https://github.com/google/ExoPlayer/issues/4352)).
* Time out when detaching a surface to prevent ANRs if the underlying
platform call is stuck
([#5887](https://github.com/google/ExoPlayer/issues/5887)).
* Fix bug where `AnalyticsListener` callbacks could arrive in the wrong
order ([#8048](https://github.com/google/ExoPlayer/issues/8048)).
* Media transformation:
* Add a new `transformer` module for converting media streams. The
initially available transformations are changing the container format,
removing tracks, and slow motion flattening.
* Low latency live streaming:
* Support low-latency DASH (also known as ULL-CMAF) and Apple's
low-latency HLS extension.
* Add `LiveConfiguration` to `MediaItem` to define live offset and
playback speed adjustment parameters. The same parameters can be set on
`DefaultMediaSourceFactory` to apply for all `MediaItems`.
* Add `LivePlaybackSpeedControl` to control playback speed adjustments
during live playbacks. Such adjustments allow the player to stay close
to the live offset. `DefaultLivePlaybackSpeedControl` is provided as a
default implementation.
* Add `targetLiveOffsetUs` parameter to `LoadControl.shouldStartPlayback`.
* Extractors:
* Populate codecs string for H.264/AVC in MP4, Matroska and FLV streams to
allow decoder capability checks based on codec profile and level
([#8393](https://github.com/google/ExoPlayer/issues/8393)).
* Populate codecs string for H.265/HEVC in MP4, Matroska and MPEG-TS
streams to allow decoder capability checks based on codec profile and
level ([#8393](https://github.com/google/ExoPlayer/issues/8393)).
* Add support for playing JPEG motion photos
([#5405](https://github.com/google/ExoPlayer/issues/5405)).
* Handle sample size mismatches between raw audio `stsd` information and
`stsz` fixed sample size in MP4 extractors.
* Fix Vorbis private codec data parsing in the Matroska extractor
([#8496](https://github.com/google/ExoPlayer/issues/8496)).
* Track selection:
* Move `Player.getTrackSelector` to the `ExoPlayer` interface.
* Move the mutable parts of `TrackSelection` into an `ExoTrackSelection`
subclass.
* Allow parallel adaptation of video and audio
([#5111](https://github.com/google/ExoPlayer/issues/5111)).
* Simplify enabling tunneling with `DefaultTrackSelector`.
`ParametersBuilder.setTunnelingAudioSessionId` has been replaced with
`ParametersBuilder.setTunnelingEnabled`. The player's audio session ID
will be used, and so a tunneling specific ID is no longer needed.
* Add additional configuration parameters to `DefaultTrackSelector`.
`DefaultTrackSelector.ParametersBuilder` now includes:
* `setPreferredVideoMimeType`, `setPreferredVideoMimeTypes`,
`setPreferredAudioMimeType` and `setPreferredAudioMimeTypes` for
specifying preferred video and audio MIME type(s)
([#8320](https://github.com/google/ExoPlayer/issues/8320)).
* `setPreferredAudioLanguages` and `setPreferredTextLanguages` for
specifying multiple preferred audio and text languages.
* `setPreferredAudioRoleFlags` for specifying preferred audio role
flags.
* Forward `Timeline` and `MediaPeriodId` to `TrackSelection.Factory`.
* DASH:
* Support low-latency DASH playback (`availabilityTimeOffset` and
`ServiceDescription` tags)
([#4904](https://github.com/google/ExoPlayer/issues/4904)).
* Improve logic for determining whether to refresh the manifest when a
chunk load error occurs in a live streams that contains EMSG data
([#8408](https://github.com/google/ExoPlayer/issues/8408)).
* HLS:
* Support playlist delta updates, blocking playlist reloads and rendition
reports.
* Support low-latency HLS playback (`EXT-X-PART` and preload hints)
([#5011](https://github.com/google/ExoPlayer/issues/5011)).
* UI:
* Improve `StyledPlayerControlView` button animations.
* Miscellaneous fixes for `StyledPlayerControlView` in minimal mode.
* DRM:
* Fix playback failure when switching from PlayReady protected content to
Widevine or Clearkey protected content in a playlist.
* Add `ExoMediaDrm.KeyRequest.getRequestType`
([#7847](https://github.com/google/ExoPlayer/issues/7847)).
* Drop key and provision responses if `DefaultDrmSession` is released
while waiting for the response. This prevents harmless log messages of
the form: `IllegalStateException: sending message to a Handler on a dead
thread` ([#8328](https://github.com/google/ExoPlayer/issues/8328)).
* Allow apps to fully customize DRM behaviour for each `MediaItem` by
passing a `DrmSessionManagerProvider` to `MediaSourceFactory`
([#8466](https://github.com/google/ExoPlayer/issues/8466)).
* Analytics:
* Add an `onEvents` callback to `Player.EventListener` and
`AnalyticsListener`. When one or more player states change
simultaneously, `onEvents` is called once after all of the callbacks
associated with the individual state changes.
* Pass a `DecoderReuseEvaluation` to `AnalyticsListener`'s
`onVideoInputFormatChanged` and `onAudioInputFormatChanged` methods. The
`DecoderReuseEvaluation` indicates whether it was possible to re-use an
existing decoder instance for the new format, and if not then the
reasons why.
* Video:
* Fall back to AVC/HEVC decoders for Dolby Vision streams with level 10 to
13 ([#8530](https://github.com/google/ExoPlayer/issues/8530)).
* Fix VP9 format capability checks on API level 23 and earlier. The
platform does not correctly report the VP9 level supported by the
decoder in this case, so we estimate it based on the decoder's maximum
supported bitrate.
* Audio:
* Fix handling of audio session IDs
([#8190](https://github.com/google/ExoPlayer/issues/8190)).
`SimpleExoPlayer` now generates an audio session ID on construction,
which can be immediately queried by calling
`SimpleExoPlayer.getAudioSessionId`. The audio session ID will only
change if application code calls `SimpleExoPlayer.setAudioSessionId`.
* Replace `onAudioSessionId` with `onAudioSessionIdChanged` in
`AudioListener` and `AnalyticsListener`. Note that
`onAudioSessionIdChanged` is called in fewer cases than
`onAudioSessionId` was called, due to the improved handling of audio
session IDs as described above.
* Retry playback after some types of `AudioTrack` error.
* Create E-AC3 JOC passthrough `AudioTrack` instances using the maximum
supported channel count (instead of assuming 6 channels) from API 29.
* Text:
* Add support for the SSA `primaryColour` style attribute
([#8435](https://github.com/google/ExoPlayer/issues/8435)).
* Fix CEA-708 sequence number discontinuity handling
([#1807](https://github.com/google/ExoPlayer/issues/1807)).
* Fix CEA-708 handling of unexpectedly small packets
([#1807](https://github.com/google/ExoPlayer/issues/1807)).
* Data sources:
* For `HttpDataSource` implementations, default to using the user agent of
the underlying network stack.
* Deprecate `HttpDataSource.Factory.getDefaultRequestProperties`.
`HttpDataSource.Factory.setDefaultRequestProperties` instead.
* Add `DefaultHttpDataSource.Factory` and deprecate
`DefaultHttpDataSourceFactory`.
* Metadata retriever:
* Parse Google Photos HEIC and JPEG motion photo metadata.
* IMA extension:
* Add support for playback of ads in playlists
([#3750](https://github.com/google/ExoPlayer/issues/3750)).
* Add `ImaAdsLoader.Builder.setEnableContinuousPlayback` for setting
whether to request ads for continuous playback.
* Upgrade IMA SDK dependency to 3.22.0. This fixes leaking of the ad view
group ([#7344](https://github.com/google/ExoPlayer/issues/7344),
[#8339](https://github.com/google/ExoPlayer/issues/8339)).
* Fix a bug that could cause the next content position played after a seek
to snap back to the cue point of the preceding ad, rather than the
requested content position.
* Fix a regression that caused an ad group to be skipped after an initial
seek to a non-zero position. Unsupported VPAID ads will still be
skipped, but only after the preload timeout rather than instantly
([#8428](https://github.com/google/ExoPlayer/issues/8428),
[#7832](https://github.com/google/ExoPlayer/issues/7832)).
* Fix a regression that caused a short ad followed by another ad to be
skipped due to playback being stuck buffering waiting for the second ad
to load ([#8492](https://github.com/google/ExoPlayer/issues/8492)).
* FFmpeg extension:
* Link the FFmpeg library statically, saving 350KB in binary size on
average.
* OkHttp extension:
* Add `OkHttpDataSource.Factory` and deprecate `OkHttpDataSourceFactory`.
* Cronet extension:
* Add `CronetDataSource.Factory` and deprecate `CronetDataSourceFactory`.
* Support setting the user agent on `CronetDataSource.Factory` and
`CronetEngineWrapper`.
* MediaSession extension:
* Support `setPlaybackSpeed(float)` and disable it by default. Use
`MediaSessionConnector.setEnabledPlaybackActions(long)` to enable
([#8229](https://github.com/google/ExoPlayer/issues/8229)).
* Remove deprecated symbols:
* `AdaptiveMediaSourceEventListener`. Use `MediaSourceEventListener`
instead.
* `DashMediaSource.Factory.setMinLoadableRetryCount(int)`. Use
`DashMediaSource.Factory.setLoadErrorHandlingPolicy(LoadErrorHandlingPolicy)`
instead.
* `DefaultAnalyticsListener`. Use `AnalyticsListener` instead.
* `DefaultLoadControl` constructors. Use `DefaultLoadControl.Builder`
instead.
* `DrmInitData.get(UUID)`. Use `DrmInitData.get(int)` and
`DrmInitData.SchemeData.matches(UUID)` instead.
* `ExtractorsMediaSource.Factory.setMinLoadableRetryCount(int)`. Use
`ExtractorsMediaSource.Factory.setLoadErrorHandlingPolicy(LoadErrorHandlingPolicy)`
instead.
* `FixedTrackSelection.Factory`. If you need to disable adaptive selection
in `DefaultTrackSelector`, enable the
`DefaultTrackSelector.Parameters.forceHighestSupportedBitrate` flag.
* `HlsMediaSource.Factory.setMinLoadableRetryCount(int)`. Use
`HlsMediaSource.Factory.setLoadErrorHandlingPolicy(LoadErrorHandlingPolicy)`
instead.
* `MappedTrackInfo.getTrackFormatSupport(int, int, int)`. Use
`MappedTrackInfo.getTrackSupport(int, int, int)` instead.
* `MappedTrackInfo.getTrackTypeRendererSupport(int)`. Use
`MappedTrackInfo.getTypeSupport(int)` instead.
* `MappedTrackInfo.getUnassociatedTrackGroups()`. Use
`MappedTrackInfo.getUnmappedTrackGroups()` instead.
* `MappedTrackInfo.length`. Use `MappedTrackInfo.getRendererCount()`
instead.
* `Player.DefaultEventListener.onTimelineChanged(Timeline, Object)`. Use
`Player.EventListener.onTimelineChanged(Timeline, int)` instead.
* `Player.setAudioAttributes(AudioAttributes)`. Use
`Player.AudioComponent.setAudioAttributes(AudioAttributes, boolean)`
instead.
* `PlayerView.setDefaultArtwork(Bitmap)`. Use
`PlayerView.setDefaultArtwork(Drawable)` instead.
* `PlayerView.setShowBuffering(boolean)`. Use
`PlayerView.setShowBuffering(int)` instead.
* `SimpleExoPlayer.clearMetadataOutput(MetadataOutput)`. Use
`SimpleExoPlayer.removeMetadataOutput(MetadataOutput)` instead.
* `SimpleExoPlayer.clearTextOutput(TextOutput)`. Use
`SimpleExoPlayer.removeTextOutput(TextOutput)` instead.
* `SimpleExoPlayer.clearVideoListener()`. Use
`SimpleExoPlayer.removeVideoListener(VideoListener)` instead.
* `SimpleExoPlayer.getAudioStreamType()`. Use
`SimpleExoPlayer.getAudioAttributes()` instead.
* `SimpleExoPlayer.setAudioDebugListener(AudioRendererEventListener)`. Use
`SimpleExoPlayer.addAnalyticsListener(AnalyticsListener)` instead.
* `SimpleExoPlayer.setAudioStreamType(int)`. Use
`SimpleExoPlayer.setAudioAttributes(AudioAttributes)` instead.
* `SimpleExoPlayer.setMetadataOutput(MetadataOutput)`. Use
`SimpleExoPlayer.addMetadataOutput(MetadataOutput)` instead. If your
application is calling `SimpleExoPlayer.setMetadataOutput(null)`, make
sure to replace this call with a call to
`SimpleExoPlayer.removeMetadataOutput(MetadataOutput)`.
* `SimpleExoPlayer.setPlaybackParams(PlaybackParams)`. Use
`SimpleExoPlayer.setPlaybackParameters(PlaybackParameters)` instead.
* `SimpleExoPlayer.setTextOutput(TextOutput)`. Use
`SimpleExoPlayer.addTextOutput(TextOutput)` instead. If your application
is calling `SimpleExoPlayer.setTextOutput(null)`, make sure to replace
this call with a call to `SimpleExoPlayer.removeTextOutput(TextOutput)`.
* `SimpleExoPlayer.setVideoDebugListener(VideoRendererEventListener)`. Use
`SimpleExoPlayer.addAnalyticsListener(AnalyticsListener)` instead.
* `SimpleExoPlayer.setVideoListener(VideoListener)`. Use
`SimpleExoPlayer.addVideoListener(VideoListener)` instead. If your
application is calling `SimpleExoPlayer.setVideoListener(null)`, make
sure to replace this call with a call to
`SimpleExoPlayer.removeVideoListener(VideoListener)`.
* `SimpleExoPlayer.VideoListener`. Use
`com.google.android.exoplayer2.video.VideoListener` instead.
* `SingleSampleMediaSource.EventListener` and constructors. Use
`MediaSourceEventListener` and `SingleSampleMediaSource.Factory`
instead.
* `SimpleExoPlayer.addVideoDebugListener`,
`SimpleExoPlayer.removeVideoDebugListener`,
`SimpleExoPlayer.addAudioDebugListener` and
`SimpleExoPlayer.removeAudioDebugListener`. Use
`SimpleExoPlayer.addAnalyticsListener` and
`SimpleExoPlayer.removeAnalyticsListener` instead.
* `SingleSampleMediaSource.Factory.setMinLoadableRetryCount(int)`. Use
`SingleSampleMediaSource.Factory.setLoadErrorHandlingPolicy(LoadErrorHandlingPolicy)`
instead.
* `SsMediaSource.Factory.setMinLoadableRetryCount(int)`. Use
`SsMediaSource.Factory.setLoadErrorHandlingPolicy(LoadErrorHandlingPolicy)`
instead.
### 2.12.3 (2021-01-13)
* Core library:
* Fix `MediaCodecRenderer` issue where empty streams would fail to play in
bypass mode ([#8374](https://github.com/google/ExoPlayer/issues/8374)).
* Fix playback issues after seeking during an ad
([#8349](https://github.com/google/ExoPlayer/issues/8349)).
* Fix propagation of `LoadErrorHandlingPolicy` from
`DefaultMediaSourceFactory` into `SingleSampleMediaSource.Factory` when
creating subtitle media sources from
`MediaItem.playbackProperties.subtitles`
([#8430](https://github.com/google/ExoPlayer/issues/8430)).
* UI:
* Fix issue where pop-up menus belonging to `StyledPlayerControlView`
would not be dismissed when tapping outside of the menu area or pressing
the back button, on API level 22 and earlier
([#8272](https://github.com/google/ExoPlayer/issues/8272)).
* Downloads:
* Fix crash in `DownloadManager` that could occur when adding a stopped
download with the same ID as a download currently being removed
([#8419](https://github.com/google/ExoPlayer/issues/8419)).
* Text:
* Gracefully handle null-terminated subtitle content in Matroska
containers.
* Fix CEA-708 anchor positioning
([#1807](https://github.com/google/ExoPlayer/issues/1807)).
* IMA extension:
* Fix a condition where playback could get stuck before an empty ad
([#8205](https://github.com/google/ExoPlayer/issues/8205)).
* Log a warning rather than throwing when reaching the end of the stream
with an ad playing but without ad media info
([#8290](https://github.com/google/ExoPlayer/issues/8290)).
* Media2 extension:
* Make media2-extension depend on AndroidX media2:media2-session:1.1.0 to
fix a deadlock while creating PlaybackStateCompat internally.
([#8011](https://github.com/google/ExoPlayer/issues/8011)).
### 2.12.2 (2020-12-01)
* Core library:
* Suppress exceptions from registering and unregistering the stream volume
receiver ([#8087](https://github.com/google/ExoPlayer/issues/8087),
[#8106](https://github.com/google/ExoPlayer/issues/8106)).
* Suppress ProGuard warnings caused by Guava's compile-only dependencies
([#8103](https://github.com/google/ExoPlayer/issues/8103)).
* Fix issue that could cause playback to freeze when selecting tracks, if
extension audio renderers are being used
([#8203](https://github.com/google/ExoPlayer/issues/8203)).
* UI:
* Fix incorrect color and text alignment of the `StyledPlayerControlView`
fast forward and rewind buttons, when used together with the
`com.google.android.material` library
([#7898](https://github.com/google/ExoPlayer/issues/7898)).
* Add `dispatchPrepare(Player)` to `ControlDispatcher` and implement it in
`DefaultControlDispatcher`. Deprecate `PlaybackPreparer` and
`setPlaybackPreparer` in `StyledPlayerView`, `StyledPlayerControlView`,
`PlayerView`, `PlayerControlView`, `PlayerNotificationManager` and
`LeanbackPlayerAdapter` and use `ControlDispatcher` for dispatching
prepare instead
([#7882](https://github.com/google/ExoPlayer/issues/7882)).
* Increase seekbar's touch target height in `StyledPlayerControlView`.
* Update `StyledPlayerControlView` menu items to behave correctly for
right-to-left languages.
* Support enabling the previous and next actions individually in
`PlayerNotificationManager`.
* Audio:
* Work around `AudioManager` crashes when calling `getStreamVolume`
([#8191](https://github.com/google/ExoPlayer/issues/8191)).
* Extractors:
* Matroska: Add support for 32-bit floating point PCM, and 8-bit and
16-bit big endian integer PCM
([#8142](https://github.com/google/ExoPlayer/issues/8142)).
* MP4: Add support for mpeg1 video box
([#8257](https://github.com/google/ExoPlayer/issues/8257)).
* IMA extension:
* Upgrade IMA SDK dependency to 3.21.0, and release the `AdsLoader`
([#7344](https://github.com/google/ExoPlayer/issues/7344)).
* Improve handling of ad tags with unsupported VPAID ads
([#7832](https://github.com/google/ExoPlayer/issues/7832)).
* Fix a bug that caused multiple ads in an ad pod to be skipped when one
ad in the ad pod was skipped.
* Fix a bug that caused ad progress not to be updated if the player
resumed after buffering during an ad
([#8239](https://github.com/google/ExoPlayer/issues/8239)).
* Fix passing an ads response to the `ImaAdsLoader` builder.
* Set the overlay language based on the device locale by default.
* Cronet extension:
* Fix handling of HTTP status code 200 when making unbounded length range
requests ([#8090](https://github.com/google/ExoPlayer/issues/8090)).
* Text
* Allow tx3g subtitles with `styl` boxes with start and/or end offsets
that lie outside the length of the cue text.
* Media2 extension:
* Notify onBufferingEnded when the state of origin player becomes
`STATE_IDLE` or `STATE_ENDED`.
* Allow to remove all playlist items that makes the player reset
([#8047](https://github.com/google/ExoPlayer/issues/8047)).
### 2.12.1 (2020-10-23)
* Core library:
* Fix issue where `Player.setMediaItems` would ignore its `resetPosition`
argument ([#8024](https://github.com/google/ExoPlayer/issues/8024)).
* Fix bug where streams with highly uneven track durations may get stuck
in a buffering state
([#7943](https://github.com/google/ExoPlayer/issues/7943)).
* Switch Guava dependency from `implementation` to `api`
([#7905](https://github.com/google/ExoPlayer/issues/7905),
[#7993](https://github.com/google/ExoPlayer/issues/7993)).
* Add 403, 500 and 503 to the list of HTTP status codes that can trigger
failover to another quality variant during adaptive playbacks.
* Data sources:
* Add support for `android.resource` URI scheme in `RawResourceDataSource`
([#7866](https://github.com/google/ExoPlayer/issues/7866)).
* Text:
* Add support for `\h` SSA/ASS style override code (non-breaking space).
* Fix playback of WebVTT subtitles in MP4 containers in DASH streams
([#7985](https://github.com/google/ExoPlayer/issues/7985)).
* Fix `NullPointerException` in `TextRenderer` when playing content with a
single subtitle buffer
([#8017](https://github.com/google/ExoPlayer/issues/8017)).
* UI:
* Fix animation when `StyledPlayerView` first shows its playback controls.
* Improve touch targets in `StyledPlayerView` to make tapping easier.
* Allow `subtitleButton` to be omitted in custom `StyledPlayerView`
layouts ([#7962](https://github.com/google/ExoPlayer/issues/7962)).
* Add an option to sort tracks by `Format` in `TrackSelectionView` and
`TrackSelectionDialogBuilder`
([#7709](https://github.com/google/ExoPlayer/issues/7709)).
* Audio:
* Fix the default audio sink position not advancing correctly when using
`AudioTrack` based speed adjustment
([#7982](https://github.com/google/ExoPlayer/issues/7982)).
* Fix `NoClassDefFoundError` warning for `AudioTrack$StreamEventCallback`
([#8058](https://github.com/google/ExoPlayer/issues/8058)).
* Extractors:
* MP4:
* Add support for `_mp2` boxes
([#7967](https://github.com/google/ExoPlayer/issues/7967)).
* Fix playback of files containing `pcm_alaw` or `pcm_mulaw` audio
tracks, by enabling sample rechunking for such tracks.
* MPEG-TS:
* Add `TsExtractor` parameter to configure the number of bytes in
which to search for timestamps when seeking and determining stream
duration ([#7988](https://github.com/google/ExoPlayer/issues/7988)).
* Ignore negative payload size in PES packets
([#8005](https://github.com/google/ExoPlayer/issues/8005)).
* MP3: Use TLEN ID3 tag to compute the stream duration
([#7949](https://github.com/google/ExoPlayer/issues/7949)).
* Ogg: Fix regression playing files with packets that span multiple pages
([#7992](https://github.com/google/ExoPlayer/issues/7992)).
* FLV: Make files seekable by using the key frame index
([#7378](https://github.com/google/ExoPlayer/issues/7378)).
* Downloads: Fix issue retrying progressive downloads, which could also result
in a crash in `DownloadManager.InternalHandler.onContentLengthChanged`
([#8078](https://github.com/google/ExoPlayer/issues/8078)).
* HLS: Fix crash affecting chunkful preparation of master playlists that start
with an I-FRAME only variant
([#8025](https://github.com/google/ExoPlayer/issues/8025)).
* IMA extension:
* Fix position reporting after fetch errors
([#7956](https://github.com/google/ExoPlayer/issues/7956)).
* Allow apps to specify a `VideoAdPlayerCallback`
([#7944](https://github.com/google/ExoPlayer/issues/7944)).
* Accept ad tags via the `AdsMediaSource` constructor and deprecate
passing them via the `ImaAdsLoader` constructor/builders. Passing the ad
tag via media item playback properties continues to be supported. This
is in preparation for supporting ads in playlists
([#3750](https://github.com/google/ExoPlayer/issues/3750)).
* Add a way to override ad media MIME types
([#7961](https://github.com/google/ExoPlayer/issues/7961)).
* Fix incorrect truncation of large cue point positions
([#8067](https://github.com/google/ExoPlayer/issues/8067)).
* Upgrade IMA SDK dependency to 3.20.1. This brings in a fix for companion
ads rendering when targeting API 29
([#6432](https://github.com/google/ExoPlayer/issues/6432)).
### 2.12.0 (2020-09-11)
To learn more about what's new in 2.12, read the corresponding
[blog post](https://medium.com/google-exoplayer/exoplayer-2-12-whats-new-e43ef8ff72e7).
* Core library:
* `Player`:
* Add a top level playlist API based on a new `MediaItem` class
([#6161](https://github.com/google/ExoPlayer/issues/6161)). The new
methods for playlist manipulation are `setMediaItem(s)`,
`addMediaItem(s)`, `moveMediaItem(s)`, `removeMediaItem(s)` and
`clearMediaItems`. The playlist can be queried using
`getMediaItemCount` and `getMediaItemAt`. This API should be used
instead of `ConcatenatingMediaSource` in most cases. Learn more by
reading
[this blog post](https://medium.com/google-exoplayer/a-top-level-playlist-api-for-exoplayer-abe0a24edb55).
* Add `getCurrentMediaItem` for getting the currently playing item in
the playlist.
* Add `EventListener.onMediaItemTransition` to report when playback
transitions from one item to another in the playlist.
* Add `play` and `pause` convenience methods. They are equivalent to
`setPlayWhenReady(true)` and `setPlayWhenReady(false)` respectively.
* Add `getCurrentLiveOffset` for getting the offset of the current
playback position from the live edge of a live stream.
* Add `getTrackSelector` for getting the `TrackSelector` used by the
player.
* Add `AudioComponent.setAudioSessionId` to set the audio session ID.
This method is also available on `SimpleExoPlayer`.
* Remove `PlaybackParameters.skipSilence`, and replace it with
`AudioComponent.setSkipSilenceEnabled`. This method is also
available on `SimpleExoPlayer`. An
`AudioListener.onSkipSilenceEnabledChanged` callback is also added.
* Add `TextComponent.getCurrentCues` to get the current cues. This
method is also available on `SimpleExoPlayer`. The current cues are
no longer automatically forwarded to a `TextOutput` when it's added
to a `SimpleExoPlayer`.
* Add `Player.DeviceComponent` to query and control the device volume.
`SimpleExoPlayer` implements this interface.
* Deprecate and rename `getPlaybackError` to `getPlayerError` for
consistency.
* Deprecate and rename `onLoadingChanged` to `onIsLoadingChanged` for
consistency.
* Deprecate `EventListener.onPlayerStateChanged`, replacing it with
`EventListener.onPlayWhenReadyChanged` and
`EventListener.onPlaybackStateChanged`.
* Deprecate `EventListener.onSeekProcessed` because seek changes now
happen instantly and listening to `onPositionDiscontinuity` is
sufficient.
* `ExoPlayer`:
* Add `setMediaSource(s)` and `addMediaSource(s)` to `ExoPlayer`, for
adding `MediaSource` instances directly to the playlist.
* Add `ExoPlayer.setPauseAtEndOfMediaItems` to let the player pause at
the end of each media item
([#5660](https://github.com/google/ExoPlayer/issues/5660)).
* Allow passing `C.TIME_END_OF_SOURCE` to `PlayerMessage.setPosition`
to send a `PlayerMessage` at the end of a stream.
* `SimpleExoPlayer`:
* `SimpleExoPlayer` implements the new `MediaItem` based playlist API,
using a `MediaSourceFactory` to convert `MediaItem` instances to
playable `MediaSource` instances. A `DefaultMediaSourceFactory` is
used by default. `Builder.setMediaSourceFactory` allows setting a
custom factory.
* Update [APK shrinking guide](https://exoplayer.dev/shrinking.html)
to explain how shrinking works with the new `MediaItem` and
`DefaultMediaSourceFactory` implementations
([#7937](https://github.com/google/ExoPlayer/issues/7937)).
* Add additional options to `Builder` that were previously only
accessible via setters.
* Add opt-in to verify correct thread usage with
`setThrowsWhenUsingWrongThread(true)`
([#4463](https://github.com/google/ExoPlayer/issues/4463)).
* `Format`:
* Add a `Builder` and deprecate all `create` methods and most
`Format.copyWith` methods.
* Split `bitrate` into `averageBitrate` and `peakBitrate`
([#2863](https://github.com/google/ExoPlayer/issues/2863)).
* `LoadControl`:
* Add a `playbackPositionUs` parameter to `shouldContinueLoading`.
* Set the default minimum buffer duration in `DefaultLoadControl` to
50 seconds (equal to the default maximum buffer), and treat audio
and video the same.
* Add a `MetadataRetriever` API for retrieving track information and
static metadata for a media item
([#3609](https://github.com/google/ExoPlayer/issues/3609)).
* Attach an identifier and extra information to load error events passed
to `LoadErrorHandlingPolicy`
([#7309](https://github.com/google/ExoPlayer/issues/7309)).
`LoadErrorHandlingPolicy` implementations should migrate to implementing
the non-deprecated methods of the interface.
* Add an option to `MergingMediaSource` to adjust the time offsets between
the merged sources
([#6103](https://github.com/google/ExoPlayer/issues/6103)).
* Move `MediaSourceEventListener.LoadEventInfo` and
`MediaSourceEventListener.MediaLoadData` to be top-level classes in
`com.google.android.exoplayer2.source`.
* Move `SimpleDecoderVideoRenderer` and `SimpleDecoderAudioRenderer` to
`DecoderVideoRenderer` and `DecoderAudioRenderer` respectively, and
generalize them to work with `Decoder` rather than `SimpleDecoder`.
* Deprecate `C.MSG_*` constants, replacing them with constants in
`Renderer`.
* Split the `library-core` module into `library-core`, `library-common`
and `library-extractor`. The `library-core` module has an API dependency
on both of the new modules, so this change should be transparent to
developers including ExoPlayer using Gradle dependencies.
* Add a dependency on Guava.
* Video:
* Pass frame rate hint to `Surface.setFrameRate` on Android 11.
* Fix incorrect aspect ratio when transitioning from one video to another
with the same resolution, but a different pixel aspect ratio
([#6646](https://github.com/google/ExoPlayer/issues/6646)).
* Audio:
* Add experimental support for power efficient playback using audio
offload.
* Add support for using framework audio speed adjustment instead of
ExoPlayer's implementation
([#7502](https://github.com/google/ExoPlayer/issues/7502)). This option
can be set using
`DefaultRenderersFactory.setEnableAudioTrackPlaybackParams`.
* Add an event for the audio position starting to advance, to make it
easier for apps to determine when audio playout started
([#7577](https://github.com/google/ExoPlayer/issues/7577)).
* Generalize support for floating point audio.
* Add an option to `DefaultAudioSink` for enabling floating point
output. This option can also be set using
`DefaultRenderersFactory.setEnableAudioFloatOutput`.
* Add floating point output capability to `MediaCodecAudioRenderer`
and `LibopusAudioRenderer`, which is enabled automatically if the
audio sink supports floating point output and if it makes sense for
the content being played.
* Enable the floating point output capability of `FfmpegAudioRenderer`
automatically if the audio sink supports floating point output and
if it makes sense for the content being played. The option to
manually enable floating point output has been removed, since this
now done with the generalized option on `DefaultAudioSink`.
* In `MediaCodecAudioRenderer`, stop passing audio samples through
`MediaCodec` when playing PCM audio or encoded audio using passthrough
mode.
* Reuse audio decoders when transitioning through playlists of gapless
audio, rather than reinstantiating them.
* Check `DefaultAudioSink` supports passthrough, in addition to checking
the `AudioCapabilities`
([#7404](https://github.com/google/ExoPlayer/issues/7404)).
* Text:
* Many of the changes described below improve support for Japanese
subtitles. Read
[this blog post](https://medium.com/google-exoplayer/improved-japanese-subtitle-support-7598fee12cf4)
to learn more.
* Add a WebView-based output option to `SubtitleView`. This can display
some features not supported by the existing Canvas-based output such as
vertical text and rubies. It can be enabled by calling
`SubtitleView#setViewType(VIEW_TYPE_WEB)`.
* Recreate the decoder when handling and swallowing decode errors in
`TextRenderer`. This fixes a case where playback would never end when
playing content with malformed subtitles
([#7590](https://github.com/google/ExoPlayer/issues/7590)).
* Only apply `CaptionManager` font scaling in
`SubtitleView.setUserDefaultTextSize` if the `CaptionManager` is
enabled.
* Improve positioning of vertical cues when rendered horizontally.
* Redefine `Cue.lineType=LINE_TYPE_NUMBER` in terms of aligning the cue
text lines to grid of viewport lines. Only consider `Cue.lineAnchor`
when `Cue.lineType=LINE_TYPE_FRACTION`.
* WebVTT:
* Add support for default
[text](https://www.w3.org/TR/webvtt1/#default-text-color) and
[background](https://www.w3.org/TR/webvtt1/#default-text-background)
colors ([#6581](https://github.com/google/ExoPlayer/issues/6581)).
* Update position alignment parsing to recognise `line-left`, `center`
and `line-right`.
* Implement steps 4-10 of the
[WebVTT line computation algorithm](https://www.w3.org/TR/webvtt1/#cue-computed-line).
* Stop parsing unsupported CSS properties. The spec provides an
[exhaustive list](https://www.w3.org/TR/webvtt1/#the-cue-pseudo-element)
of which properties are supported.
* Parse the `ruby-position` CSS property.
* Parse the `text-combine-upright` CSS property (i.e., tate-chu-yoko).
* Parse the `<ruby>` and `<rt>` tags.
* TTML:
* Parse the `tts:combineText` property (i.e., tate-chu-yoko).
* Parse t`tts:ruby` and `tts:rubyPosition` properties.
* CEA-608:
* Implement timing-out of stuck captions, as permitted by
ANSI/CTA-608-E R-2014 Annex C.9. The default timeout is set to 16
seconds ([#7181](https://github.com/google/ExoPlayer/issues/7181)).
* Trim lines that exceed the maximum length of 32 characters
([#7341](https://github.com/google/ExoPlayer/issues/7341)).
* Fix positioning of roll-up captions in the top half of the screen
([#7475](https://github.com/google/ExoPlayer/issues/7475)).
* Stop automatically generating a CEA-608 track when playing
standalone MPEG-TS files. The previous behavior can still be
obtained by manually injecting a customized
`DefaultTsPayloadReaderFactory` into `TsExtractor`.
* Metadata: Add minimal DVB Application Information Table (AIT) support.
* DASH:
* Add support for canceling in-progress segment fetches
([#2848](https://github.com/google/ExoPlayer/issues/2848)).
* Add support for CEA-708 embedded in FMP4.
* SmoothStreaming:
* Add support for canceling in-progress segment fetches
([#2848](https://github.com/google/ExoPlayer/issues/2848)).
* HLS:
* Add support for discarding buffered media (e.g., to allow faster
adaptation to a higher quality variant)
([#6322](https://github.com/google/ExoPlayer/issues/6322)).
* Add support for canceling in-progress segment fetches
([#2848](https://github.com/google/ExoPlayer/issues/2848)).
* Respect 33-bit PTS wrapping when applying `X-TIMESTAMP-MAP` to WebVTT
timestamps ([#7464](https://github.com/google/ExoPlayer/issues/7464)).
* Extractors:
* Optimize the `Extractor` sniffing order to reduce start-up latency in
`DefaultExtractorsFactory` and `DefaultHlsExtractorsFactory`
([#6410](https://github.com/google/ExoPlayer/issues/6410)).
* Use filename extensions and response header MIME types to further
optimize `Extractor` sniffing order on a per-media basis.
* MP3: Add `IndexSeeker` for accurate seeks in VBR MP3 streams
([#6787](https://github.com/google/ExoPlayer/issues/6787)). This seeker
can be enabled by passing `FLAG_ENABLE_INDEX_SEEKING` to the
`Mp3Extractor`. A significant portion of the file may need to be scanned
when a seek is performed, which may be costly for large files.
* MP4: Fix playback of MP4 streams that contain Opus audio.
* FMP4: Add support for partially fragmented MP4s
([#7308](https://github.com/google/ExoPlayer/issues/7308)).
* Matroska:
* Support Dolby Vision
([#7267](https://github.com/google/ExoPlayer/issues/7267)).
* Populate `Format.label` with track titles.
* Remove support for the `Invisible` block header flag.
* MPEG-TS: Add support for MPEG-4 Part 2 and H.263
([#1603](https://github.com/google/ExoPlayer/issues/1603),
[#5107](https://github.com/google/ExoPlayer/issues/5107)).
* Ogg: Fix handling of non-contiguous pages
([#7230](https://github.com/google/ExoPlayer/issues/7230)).
* UI:
* Add `StyledPlayerView` and `StyledPlayerControlView`, which provide a
more polished user experience than `PlayerView` and `PlayerControlView`
at the cost of decreased customizability.
* Remove the previously deprecated `SimpleExoPlayerView` and
`PlaybackControlView` classes, along with the corresponding
`exo_simple_player_view.xml` and `exo_playback_control_view.xml` layout
resources. Use the equivalent `PlayerView`, `PlayerControlView`,
`exo_player_view.xml` and `exo_player_control_view.xml` instead.
* Add setter methods to `PlayerView` and `PlayerControlView` to set
whether the rewind, fast forward, previous and next buttons are shown
([#7410](https://github.com/google/ExoPlayer/issues/7410)).
* Update `TrackSelectionDialogBuilder` to use the AndroidX app compat
`AlertDialog` rather than the platform version, if available
([#7357](https://github.com/google/ExoPlayer/issues/7357)).
* Make UI components dispatch previous, next, fast forward and rewind
actions via their `ControlDispatcher`
([#6926](https://github.com/google/ExoPlayer/issues/6926)).
* Downloads and caching:
* Add `DownloadRequest.Builder`.
* Add `DownloadRequest.keySetId` to make it easier to store an offline
license keyset identifier alongside the other information that's
persisted in `DownloadIndex`.
* Support passing an `Executor` to `DefaultDownloaderFactory` on which
data downloads are performed.
* Parallelize and merge downloads in `SegmentDownloader` to improve
download speeds
([#5978](https://github.com/google/ExoPlayer/issues/5978)).
* Replace `CacheDataSinkFactory` and `CacheDataSourceFactory` with
`CacheDataSink.Factory` and `CacheDataSource.Factory` respectively.
* Remove `DownloadConstructorHelper` and instead use
`CacheDataSource.Factory` directly.
* Add `Requirements.DEVICE_STORAGE_NOT_LOW`, which can be specified as a
requirement to a `DownloadManager` for it to proceed with downloading.
* For failed downloads, propagate the `Exception` that caused the failure
to `DownloadManager.Listener.onDownloadChanged`.
* Support multiple non-overlapping write locks for the same key in
`SimpleCache`.
* Remove `CacheUtil`. Equivalent functionality is provided by a new
`CacheWriter` class, `Cache.getCachedBytes`, `Cache.removeResource` and
`CacheKeyFactory.DEFAULT`.
* DRM:
* Remove previously deprecated APIs to inject `DrmSessionManager` into
`Renderer` instances. `DrmSessionManager` must now be injected into
`MediaSource` instances via the `MediaSource` factories.
* Add the ability to inject a custom `DefaultDrmSessionManager` into
`OfflineLicenseHelper`
([#7078](https://github.com/google/ExoPlayer/issues/7078)).
* Keep DRM sessions alive for a short time before fully releasing them
([#7011](https://github.com/google/ExoPlayer/issues/7011),
[#6725](https://github.com/google/ExoPlayer/issues/6725),
[#7066](https://github.com/google/ExoPlayer/issues/7066)).
* Remove support for `cbc1` and `cens` encrytion schemes. Support for
these schemes was removed from the Android platform from API level 30,
and the range of API levels for which they are supported is too small to
be useful.
* Remove generic types from DRM components.
* Rename `DefaultDrmSessionEventListener` to `DrmSessionEventListener`.
* Track selection:
* Add `TrackSelection.shouldCancelMediaChunkLoad` to check whether an
ongoing load should be canceled
([#2848](https://github.com/google/ExoPlayer/issues/2848)).
* Add `DefaultTrackSelector` constraints for minimum video resolution,
bitrate and frame rate
([#4511](https://github.com/google/ExoPlayer/issues/4511)).
* Remove previously deprecated `DefaultTrackSelector` members.
* Data sources:
* Add `HttpDataSource.InvalidResponseCodeException#responseBody` field
([#6853](https://github.com/google/ExoPlayer/issues/6853)).
* Add `DataSpec.Builder` and deprecate most `DataSpec` constructors.
* Add `DataSpec.customData` to allow applications to pass custom data
through `DataSource` chains.
* Deprecate `CacheDataSinkFactory` and `CacheDataSourceFactory`, which are
replaced by `CacheDataSink.Factory` and `CacheDataSource.Factory`
respectively.
* Analytics:
* Extend `EventTime` with more details about the current player state
([#7332](https://github.com/google/ExoPlayer/issues/7332)).
* Add `AnalyticsListener.onVideoFrameProcessingOffset` to report how early
or late video frames are processed relative to them needing to be
presented. Video frame processing offset fields are also added to
`DecoderCounters`.
* Fix incorrect `MediaPeriodId` for some renderer errors reported by
`AnalyticsListener.onPlayerError`.
* Remove `onMediaPeriodCreated`, `onMediaPeriodReleased` and
`onReadingStarted` from `AnalyticsListener`.
* Test utils: Add `TestExoPlayer`, a utility class with APIs to create
`SimpleExoPlayer` instances with fake components for testing.
* Media2 extension: This is a new extension that makes it easy to use
ExoPlayer together with AndroidX Media2. Read
[this blog post](https://medium.com/google-exoplayer/the-media2-extension-for-exoplayer-d6b7d89b9063)
to learn more.
* Cast extension: Implement playlist API and deprecate the old queue
manipulation API.
* IMA extension:
* Migrate to new 'friendly obstruction' IMA SDK APIs, and allow apps to
register a purpose and detail reason for overlay views via
`AdsLoader.AdViewProvider`.
* Add support for audio-only ads display containers by returning `null`
from `AdsLoader.AdViewProvider.getAdViewGroup`, and allow skipping
audio-only ads via `ImaAdsLoader.skipAd`
([#7689](https://github.com/google/ExoPlayer/issues/7689)).
* Add `ImaAdsLoader.Builder.setCompanionAdSlots` so it's possible to set
companion ad slots without accessing the `AdDisplayContainer`.
* Add missing notification of `VideoAdPlayerCallback.onLoaded`.
* Fix handling of incompatible VPAID ads
([#7832](https://github.com/google/ExoPlayer/issues/7832)).
* Fix handling of empty ads at non-integer cue points
([#7889](https://github.com/google/ExoPlayer/issues/7889)).
* Demo app:
* Replace the `extensions` variant with `decoderExtensions` and update the
demo app use the Cronet and IMA extensions by default.
* Expand the `exolist.json` schema, as well the structure of intents that
can be used to launch `PlayerActivity`. See the
[Demo application page](https://exoplayer.dev/demo-application.html#playing-your-own-content)
for the latest versions. Changes include:
* Add `drm_session_for_clear_content` to allow attaching DRM sessions
to clear audio and video tracks.
* Add `clip_start_position_ms` and `clip_end_position_ms` to allow
clipped samples.
* Use `StyledPlayerControlView` rather than `PlayerView`.
* Remove support for media tunneling, random ABR and playback of spherical
video. Developers wishing to experiment with these features can enable
them by modifying the demo app source code.
* Add support for downloading DRM-protected content using offline Widevine
licenses.
### 2.11.8 (2020-08-25)
* Fix distorted playback of floating point audio when samples exceed the `[-1,
1]` nominal range.
* MP4:
* Add support for `piff` and `isml` brands
([#7584](https://github.com/google/ExoPlayer/issues/7584)).
* Fix playback of very short MP4 files.
* FMP4:
* Fix `saiz` and `senc` sample count checks, resolving a "length mismatch"
`ParserException` when playing certain protected FMP4 streams
([#7592](https://github.com/google/ExoPlayer/issues/7592)).
* Fix handling of `traf` boxes containing multiple `sbgp` or `sgpd` boxes.
* FLV: Ignore `SCRIPTDATA` segments with invalid name types, rather than
failing playback ([#7675](https://github.com/google/ExoPlayer/issues/7675)).
* Better infer the content type of `.ism` and `.isml` streaming URLs.
* Workaround an issue on Broadcom based devices where playbacks would not
transition to `STATE_ENDED` when using video tunneling mode
([#7647](https://github.com/google/ExoPlayer/issues/7647)).
* IMA extension: Upgrade to IMA SDK 3.19.4, bringing in a fix for setting the
media load timeout
([#7170](https://github.com/google/ExoPlayer/issues/7170)).
* Demo app: Fix playback of ClearKey protected content on API level 26 and
earlier ([#7735](https://github.com/google/ExoPlayer/issues/7735)).
### 2.11.7 (2020-06-29)
* IMA extension: Fix the way postroll "content complete" notifications are
handled to avoid repeatedly refreshing the timeline after playback ends.
### 2.11.6 (2020-06-19)
* UI: Prevent `PlayerView` from temporarily hiding the video surface when
seeking to an unprepared period within the current window. For example when
seeking over an ad group, or to the next period in a multi-period DASH
stream ([#5507](https://github.com/google/ExoPlayer/issues/5507)).
* IMA extension:
* Add option to skip ads before the start position.
* Catch unexpected errors in `stopAd` to avoid a crash
([#7492](https://github.com/google/ExoPlayer/issues/7492)).
* Fix a bug that caused playback to be stuck buffering on resuming from
the background after all ads had played to the end
([#7508](https://github.com/google/ExoPlayer/issues/7508)).
* Fix a bug where the number of ads in an ad group couldn't change
([#7477](https://github.com/google/ExoPlayer/issues/7477)).
* Work around unexpected `pauseAd`/`stopAd` for ads that have preloaded on
seeking to another position
([#7492](https://github.com/google/ExoPlayer/issues/7492)).
* Fix incorrect rounding of ad cue points.
* Fix handling of postrolls preloading
([#7518](https://github.com/google/ExoPlayer/issues/7518)).
### 2.11.5 (2020-06-05)
* Improve the smoothness of video playback immediately after starting, seeking
or resuming a playback
([#6901](https://github.com/google/ExoPlayer/issues/6901)).
* Add `SilenceMediaSource.Factory` to support tags.
* Enable the configuration of `SilenceSkippingAudioProcessor`
([#6705](https://github.com/google/ExoPlayer/issues/6705)).
* Fix bug where `PlayerMessages` throw an exception after `MediaSources` are
removed from the playlist
([#7278](https://github.com/google/ExoPlayer/issues/7278)).
* Fix "Not allowed to start service" `IllegalStateException` in
`DownloadService`
([#7306](https://github.com/google/ExoPlayer/issues/7306)).
* Fix issue in `AudioTrackPositionTracker` that could cause negative positions
to be reported at the start of playback and immediately after seeking
([#7456](https://github.com/google/ExoPlayer/issues/7456)).
* Fix further cases where downloads would sometimes not resume after their
network requirements are met
([#7453](https://github.com/google/ExoPlayer/issues/7453)).
* DASH:
* Merge trick play adaptation sets (i.e., adaptation sets marked with
`http://dashif.org/guidelines/trickmode`) into the same `TrackGroup` as
the main adaptation sets to which they refer. Trick play tracks are
marked with the `C.ROLE_FLAG_TRICK_PLAY` flag.
* Fix assertion failure in `SampleQueue` when playing DASH streams with
EMSG tracks ([#7273](https://github.com/google/ExoPlayer/issues/7273)).
* MP4: Store the Android capture frame rate only in `Format.metadata`.
`Format.frameRate` now stores the calculated frame rate.
* FMP4: Avoid throwing an exception while parsing default sample values whose
most significant bits are set
([#7207](https://github.com/google/ExoPlayer/issues/7207)).
* MP3: Fix issue parsing the XING headers belonging to files larger than 2GB
([#7337](https://github.com/google/ExoPlayer/issues/7337)).
* MPEG-TS: Fix issue where SEI NAL units were incorrectly dropped from H.265
samples ([#7113](https://github.com/google/ExoPlayer/issues/7113)).
* UI:
* Fix `DefaultTimeBar` to respect touch transformations
([#7303](https://github.com/google/ExoPlayer/issues/7303)).
* Add `showScrubber` and `hideScrubber` methods to `DefaultTimeBar`.
* Text:
* Use anti-aliasing and bitmap filtering when displaying bitmap subtitles.
* Fix `SubtitlePainter` to render `EDGE_TYPE_OUTLINE` using the correct
color.
* IMA extension:
* Upgrade to IMA SDK version 3.19.0, and migrate to new preloading APIs
([#6429](https://github.com/google/ExoPlayer/issues/6429)). This fixes
several issues involving preloading and handling of ad loading error
cases: ([#4140](https://github.com/google/ExoPlayer/issues/4140),
[#5006](https://github.com/google/ExoPlayer/issues/5006),
[#6030](https://github.com/google/ExoPlayer/issues/6030),
[#6097](https://github.com/google/ExoPlayer/issues/6097),
[#6425](https://github.com/google/ExoPlayer/issues/6425),
[#6967](https://github.com/google/ExoPlayer/issues/6967),
[#7041](https://github.com/google/ExoPlayer/issues/7041),
[#7161](https://github.com/google/ExoPlayer/issues/7161),
[#7212](https://github.com/google/ExoPlayer/issues/7212),
[#7340](https://github.com/google/ExoPlayer/issues/7340)).
* Add support for timing out ad preloading, to avoid playback getting
stuck if an ad group unexpectedly fails to load
([#5444](https://github.com/google/ExoPlayer/issues/5444),
[#5966](https://github.com/google/ExoPlayer/issues/5966),
[#7002](https://github.com/google/ExoPlayer/issues/7002)).
* Fix `AdsMediaSource` child `MediaSource`s not being released.
* Cronet extension: Default to using the Cronet implementation in Google Play
Services rather than Cronet Embedded. This allows Cronet to be used with a
negligible increase in application size, compared to approximately 8MB when
embedding the library.
* OkHttp extension: Upgrade OkHttp dependency to 3.12.11.
* MediaSession extension:
* Only set the playback state to `BUFFERING` if `playWhenReady` is true
([#7206](https://github.com/google/ExoPlayer/issues/7206)).
* Add missing `@Nullable` annotations to `MediaSessionConnector`
([#7234](https://github.com/google/ExoPlayer/issues/7234)).
* AV1 extension: Add a heuristic to determine the default number of threads
used for AV1 playback using the extension.
### 2.11.4 (2020-04-08)
* Add `SimpleExoPlayer.setWakeMode` to allow automatic `WifiLock` and
`WakeLock` handling
([#6914](https://github.com/google/ExoPlayer/issues/6914)). To use this
feature, you must add the
[WAKE_LOCK](https://developer.android.com/reference/android/Manifest.permission.html#WAKE_LOCK)
permission to your application's manifest file.
* Text:
* Catch and log exceptions in `TextRenderer` rather than re-throwing. This
allows playback to continue even if subtitle decoding fails
([#6885](https://github.com/google/ExoPlayer/issues/6885)).
* Allow missing hours and milliseconds in SubRip (.srt) timecodes
([#7122](https://github.com/google/ExoPlayer/issues/7122)).
* Audio:
* Enable playback speed adjustment and silence skipping for floating point
PCM audio, via resampling to 16-bit integer PCM. To output the original
floating point audio without adjustment, pass `enableFloatOutput=true`
to the `DefaultAudioSink` constructor
([#7134](https://github.com/google/ExoPlayer/issues/7134)).
* Workaround issue that could cause slower than realtime playback of AAC
on Android 10
([#6671](https://github.com/google/ExoPlayer/issues/6671)).
* Fix case where another app spuriously holding transient audio focus
could prevent ExoPlayer from acquiring audio focus for an indefinite
period of time
([#7182](https://github.com/google/ExoPlayer/issues/7182)).
* Fix case where the player volume could be permanently ducked if audio
focus was released whilst ducking.
* Fix playback of WAV files with trailing non-media bytes
([#7129](https://github.com/google/ExoPlayer/issues/7129)).
* Fix playback of ADTS files with mid-stream ID3 metadata.
* DRM:
* Fix stuck ad playbacks with DRM protected content
([#7188](https://github.com/google/ExoPlayer/issues/7188)).
* Fix playback of Widevine protected content that only provides V1 PSSH
atoms on API levels 21 and 22.
* Fix playback of PlayReady content on Fire TV Stick (Gen 2).
* DASH:
* Update the manifest URI to avoid repeated HTTP redirects
([#6907](https://github.com/google/ExoPlayer/issues/6907)).
* Parse period `AssetIdentifier` elements.
* HLS: Recognize IMSC subtitles
([#7185](https://github.com/google/ExoPlayer/issues/7185)).
* UI: Add an option to set whether to use the orientation sensor for rotation
in spherical playbacks
([#6761](https://github.com/google/ExoPlayer/issues/6761)).
* Analytics: Fix `PlaybackStatsListener` behavior when not keeping history
([#7160](https://github.com/google/ExoPlayer/issues/7160)).
* FFmpeg extension: Add support for `x86_64` architecture.
* Opus extension: Fix parsing of negative gain values
([#7046](https://github.com/google/ExoPlayer/issues/7046)).
* Cast extension: Upgrade `play-services-cast-framework` dependency to 18.1.0.
This fixes an issue where `RemoteServiceException` was thrown due to
`Context.startForegroundService()` not calling `Service.startForeground()`
([#7191](https://github.com/google/ExoPlayer/issues/7191)).
### 2.11.3 (2020-02-19)
* SmoothStreaming: Fix regression that broke playback in 2.11.2
([#6981](https://github.com/google/ExoPlayer/issues/6981)).
* DRM: Fix issue switching from protected content that uses a 16-byte
initialization vector to one that uses an 8-byte initialization vector
([#6982](https://github.com/google/ExoPlayer/issues/6982)).
### 2.11.2 (2020-02-13)
* Add Java FLAC extractor
([#6406](https://github.com/google/ExoPlayer/issues/6406)).
* Startup latency optimization:
* Reduce startup latency for DASH and SmoothStreaming playbacks by
allowing codec initialization to occur before the network connection for
the first media segment has been established.
* Reduce startup latency for on-demand DASH playbacks by allowing codec
initialization to occur before the sidx box has been loaded.
* Downloads:
* Fix download resumption when the requirements for them to continue are
met ([#6733](https://github.com/google/ExoPlayer/issues/6733),
[#6798](https://github.com/google/ExoPlayer/issues/6798)).
* Fix `DownloadHelper.createMediaSource` to use `customCacheKey` when
creating `ProgressiveMediaSource` instances.
* DRM: Fix `NullPointerException` when playing DRM protected content
([#6951](https://github.com/google/ExoPlayer/issues/6951)).
* Metadata:
* Update `IcyDecoder` to try ISO-8859-1 decoding if UTF-8 decoding fails.
Also change `IcyInfo.rawMetadata` from `String` to `byte[]` to allow
developers to handle data that's neither UTF-8 nor ISO-8859-1
([#6753](https://github.com/google/ExoPlayer/issues/6753)).
* Select multiple metadata tracks if multiple metadata renderers are
available ([#6676](https://github.com/google/ExoPlayer/issues/6676)).
* Add support for ID3 genres added in Wimamp 5.6 (2010).
* UI:
* Show ad group markers in `DefaultTimeBar` even if they are after the end
of the current window
([#6552](https://github.com/google/ExoPlayer/issues/6552)).
* Don't use notification chronometer if playback speed is != 1.0
([#6816](https://github.com/google/ExoPlayer/issues/6816)).
* HLS: Fix playback of DRM protected content that uses key rotation
([#6903](https://github.com/google/ExoPlayer/issues/6903)).
* WAV:
* Support IMA ADPCM encoded data.
* Improve support for G.711 A-law and mu-law encoded data.
* MP4: Support "twos" codec (big endian PCM)
([#5789](https://github.com/google/ExoPlayer/issues/5789)).
* FMP4: Add support for encrypted AC-4 tracks.
* HLS: Fix slow seeking into long MP3 segments
([#6155](https://github.com/google/ExoPlayer/issues/6155)).
* Fix handling of E-AC-3 streams that contain AC-3 syncframes
([#6602](https://github.com/google/ExoPlayer/issues/6602)).
* Fix playback of TrueHD streams in Matroska
([#6845](https://github.com/google/ExoPlayer/issues/6845)).
* Fix MKV subtitles to disappear when intended instead of lasting until the
next cue ([#6833](https://github.com/google/ExoPlayer/issues/6833)).
* OkHttp extension: Upgrade OkHttp dependency to 3.12.8, which fixes a class
of `SocketTimeoutException` issues when using HTTP/2
([#4078](https://github.com/google/ExoPlayer/issues/4078)).
* FLAC extension: Fix handling of bit depths other than 16 in `FLACDecoder`.
This issue caused FLAC streams with other bit depths to sound like white
noise on earlier releases, but only when embedded in a non-FLAC container
such as Matroska or MP4.
* Demo apps: Add
[GL demo app](https://github.com/google/ExoPlayer/tree/dev-v2/demos/gl) to
show how to render video to a `GLSurfaceView` while applying a GL shader.
([#6920](https://github.com/google/ExoPlayer/issues/6920)).
### 2.11.1 (2019-12-20)
* UI: Exclude `DefaultTimeBar` region from system gesture detection
([#6685](https://github.com/google/ExoPlayer/issues/6685)).
* ProGuard fixes:
* Ensure `Libgav1VideoRenderer` constructor is kept for use by
`DefaultRenderersFactory`
([#6773](https://github.com/google/ExoPlayer/issues/6773)).
* Ensure `VideoDecoderOutputBuffer` and its members are kept for use by
video decoder extensions.
* Ensure raw resources used with `RawResourceDataSource` are kept.
* Suppress spurious warnings about the `javax.annotation` package, and
restructure use of `IntDef` annotations to remove spurious warnings
about `SsaStyle$SsaAlignment`
([#6771](https://github.com/google/ExoPlayer/issues/6771)).
* Fix `CacheDataSource` to correctly propagate `DataSpec.httpRequestHeaders`.
* Fix issue with `DefaultDownloadIndex` that could result in an
`IllegalStateException` being thrown from
`DefaultDownloadIndex.getDownloadForCurrentRow`
([#6785](https://github.com/google/ExoPlayer/issues/6785)).
* Fix `IndexOutOfBoundsException` in `SinglePeriodTimeline.getWindow`
([#6776](https://github.com/google/ExoPlayer/issues/6776)).
* Add missing `@Nullable` to `MediaCodecAudioRenderer.getMediaClock` and
`SimpleDecoderAudioRenderer.getMediaClock`
([#6792](https://github.com/google/ExoPlayer/issues/6792)).
### 2.11.0 (2019-12-11)
* Core library:
* Replace `ExoPlayerFactory` by `SimpleExoPlayer.Builder` and
`ExoPlayer.Builder`.
* Add automatic `WakeLock` handling to `SimpleExoPlayer`, which can be
enabled by calling `SimpleExoPlayer.setHandleWakeLock`
([#5846](https://github.com/google/ExoPlayer/issues/5846)). To use this
feature, you must add the
[WAKE_LOCK](https://developer.android.com/reference/android/Manifest.permission.html#WAKE_LOCK)
permission to your application's manifest file.
* Add automatic "audio becoming noisy" handling to `SimpleExoPlayer`,
which can be enabled by calling
`SimpleExoPlayer.setHandleAudioBecomingNoisy`.
* Wrap decoder exceptions in a new `DecoderException` class and report
them as renderer errors.
* Add `Timeline.Window.isLive` to indicate that a window is a live stream
([#2668](https://github.com/google/ExoPlayer/issues/2668) and
[#5973](https://github.com/google/ExoPlayer/issues/5973)).
* Add `Timeline.Window.uid` to uniquely identify window instances.
* Deprecate `setTag` parameter of `Timeline.getWindow`. Tags will always
be set.
* Deprecate passing the manifest directly to
`Player.EventListener.onTimelineChanged`. It can be accessed through
`Timeline.Window.manifest` or `Player.getCurrentManifest()`
* Add `MediaSource.enable` and `MediaSource.disable` to improve resource
management in playlists.
* Add `MediaPeriod.isLoading` to improve `Player.isLoading` state.
* Fix issue where player errors are thrown too early at playlist
transitions ([#5407](https://github.com/google/ExoPlayer/issues/5407)).
* Add `Format` and renderer support flags to renderer
`ExoPlaybackException`s.
* Where there are multiple platform decoders for a given MIME type, prefer
to use one that advertises support for the profile and level of the
media being played over one that does not, even if it does not come
first in the `MediaCodecList`.
* DRM:
* Inject `DrmSessionManager` into the `MediaSources` instead of
`Renderers`. This allows each `MediaSource` in a
`ConcatenatingMediaSource` to use a different `DrmSessionManager`
([#5619](https://github.com/google/ExoPlayer/issues/5619)).
* Add `DefaultDrmSessionManager.Builder`, and remove
`DefaultDrmSessionManager` static factory methods that leaked
`ExoMediaDrm` instances
([#4721](https://github.com/google/ExoPlayer/issues/4721)).
* Add support for the use of secure decoders when playing clear content
([#4867](https://github.com/google/ExoPlayer/issues/4867)). This can be
enabled using `DefaultDrmSessionManager.Builder`'s
`setUseDrmSessionsForClearContent` method.
* Add support for custom `LoadErrorHandlingPolicies` in key and
provisioning requests
([#6334](https://github.com/google/ExoPlayer/issues/6334)). Custom
policies can be passed via `DefaultDrmSessionManager.Builder`'s
`setLoadErrorHandlingPolicy` method.
* Use `ExoMediaDrm.Provider` in `OfflineLicenseHelper` to avoid leaking
`ExoMediaDrm` instances
([#4721](https://github.com/google/ExoPlayer/issues/4721)).
* Track selection:
* Update `DefaultTrackSelector` to set a viewport constraint for the
default display by default.
* Update `DefaultTrackSelector` to set text language and role flag
constraints for the device's accessibility settings by default
([#5749](https://github.com/google/ExoPlayer/issues/5749)).
* Add option to set preferred text role flags using
`DefaultTrackSelector.ParametersBuilder.setPreferredTextRoleFlags`.
* LoadControl:
* Default `prioritizeTimeOverSizeThresholds` to false to prevent OOM
errors ([#6647](https://github.com/google/ExoPlayer/issues/6647)).
* Android 10:
* Set `compileSdkVersion` to 29 to enable use of Android 10 APIs.
* Expose new `isHardwareAccelerated`, `isSoftwareOnly` and `isVendor`
flags in `MediaCodecInfo`
([#5839](https://github.com/google/ExoPlayer/issues/5839)).
* Add `allowedCapturePolicy` field to `AudioAttributes` to allow to
configuration of the audio capture policy.
* Video:
* Pass the codec output `MediaFormat` to `VideoFrameMetadataListener`.
* Fix byte order of HDR10+ static metadata to match CTA-861.3.
* Support out-of-band HDR10+ dynamic metadata for VP9 in WebM/Matroska.
* Assume that protected content requires a secure decoder when evaluating
whether `MediaCodecVideoRenderer` supports a given video format
([#5568](https://github.com/google/ExoPlayer/issues/5568)).
* Fix Dolby Vision fallback to AVC and HEVC.
* Fix early end-of-stream detection when using video tunneling, on API
level 23 and above.
* Fix an issue where a keyframe was rendered rather than skipped when
performing an exact seek to a non-zero position close to the start of
the stream.
* Audio:
* Fix the start of audio getting truncated when transitioning to a new
item in a playlist of Opus streams.
* Workaround broken raw audio decoding on Oppo R9
([#5782](https://github.com/google/ExoPlayer/issues/5782)).
* Reconfigure audio sink when PCM encoding changes
([#6601](https://github.com/google/ExoPlayer/issues/6601)).
* Allow `AdtsExtractor` to encounter EOF when calculating average frame
size ([#6700](https://github.com/google/ExoPlayer/issues/6700)).
* Text:
* Add support for position and overlapping start/end times in SSA/ASS
subtitles ([#6320](https://github.com/google/ExoPlayer/issues/6320)).
* Require an end time or duration for SubRip (SRT) and SubStation Alpha
(SSA/ASS) subtitles. This applies to both sidecar files & subtitles
[embedded in Matroska streams](https://matroska.org/technical/specs/subtitles/index.html).
* UI:
* Make showing and hiding player controls accessible to TalkBack in
`PlayerView`.
* Rename `spherical_view` surface type to `spherical_gl_surface_view`.
* Make it easier to override the shuffle, repeat, fullscreen, VR and small
notification icon assets
([#6709](https://github.com/google/ExoPlayer/issues/6709)).
* Analytics:
* Remove `AnalyticsCollector.Factory`. Instances should be created
directly, and the `Player` should be set by calling
`AnalyticsCollector.setPlayer`.
* Add `PlaybackStatsListener` to collect `PlaybackStats` for analysis and
analytics reporting.
* DataSource
* Add `DataSpec.httpRequestHeaders` to support setting per-request headers
for HTTP and HTTPS.
* Remove the `DataSpec.FLAG_ALLOW_ICY_METADATA` flag. Use is replaced by
setting the `IcyHeaders.REQUEST_HEADER_ENABLE_METADATA_NAME` header in
`DataSpec.httpRequestHeaders`.
* Fail more explicitly when local file URIs contain invalid parts (e.g. a
fragment) ([#6470](https://github.com/google/ExoPlayer/issues/6470)).
* DASH: Support negative @r values in segment timelines
([#1787](https://github.com/google/ExoPlayer/issues/1787)).
* HLS:
* Use peak bitrate rather than average bitrate for adaptive track
selection.
* Fix issue where streams could get stuck in an infinite buffering state
after a postroll ad
([#6314](https://github.com/google/ExoPlayer/issues/6314)).
* Matroska: Support lacing in Blocks
([#3026](https://github.com/google/ExoPlayer/issues/3026)).
* AV1 extension:
* New in this release. The AV1 extension allows use of the
[libgav1 software decoder](https://chromium.googlesource.com/codecs/libgav1/)
in ExoPlayer. You can read more about playing AV1 videos with ExoPlayer
[here](https://medium.com/google-exoplayer/playing-av1-videos-with-exoplayer-a7cb19bedef9).
* VP9 extension:
* Update to use NDK r20.
* Rename `VpxVideoSurfaceView` to `VideoDecoderSurfaceView` and move it to
the core library.
* Move `LibvpxVideoRenderer.MSG_SET_OUTPUT_BUFFER_RENDERER` to
`C.MSG_SET_OUTPUT_BUFFER_RENDERER`.
* Use `VideoDecoderRenderer` as an implementation of
`VideoDecoderOutputBufferRenderer`, instead of
`VideoDecoderSurfaceView`.
* FLAC extension: Update to use NDK r20.
* Opus extension: Update to use NDK r20.
* FFmpeg extension:
* Update to use NDK r20.
* Update to use FFmpeg version 4.2. It is necessary to rebuild the native
part of the extension after this change, following the instructions in
the extension's readme.
* MediaSession extension: Add `MediaSessionConnector.setCaptionCallback` to
support `ACTION_SET_CAPTIONING_ENABLED` events.
* GVR extension: This extension is now deprecated.
* Demo apps:
* Add
[SurfaceControl demo app](https://github.com/google/ExoPlayer/tree/r2.11.0/demos/surface)
to show how to use the Android 10 `SurfaceControl` API with ExoPlayer
([#677](https://github.com/google/ExoPlayer/issues/677)).
* Add support for subtitle files to the
[Main demo app](https://github.com/google/ExoPlayer/tree/r2.11.0/demos/main)
([#5523](https://github.com/google/ExoPlayer/issues/5523)).
* Remove the IMA demo app. IMA functionality is demonstrated by the
[main demo app](https://github.com/google/ExoPlayer/tree/r2.11.0/demos/main).
* Add basic DRM support to the
[Cast demo app](https://github.com/google/ExoPlayer/tree/r2.11.0/demos/cast).
* TestUtils: Publish the `testutils` module to simplify unit testing with
ExoPlayer ([#6267](https://github.com/google/ExoPlayer/issues/6267)).
* IMA extension: Remove `AdsManager` listeners on release to avoid leaking an
`AdEventListener` provided by the app
([#6687](https://github.com/google/ExoPlayer/issues/6687)).
### 2.10.8 (2019-11-19)
* E-AC3 JOC
* Handle new signaling in DASH manifests
([#6636](https://github.com/google/ExoPlayer/issues/6636)).
* Fix E-AC3 JOC passthrough playback failing to initialize due to
incorrect channel count check.
* FLAC
* Fix sniffing for some FLAC streams.
* Fix FLAC `Format.bitrate` values.
* Parse ALAC channel count and sample rate information from a more robust
source when contained in MP4
([#6648](https://github.com/google/ExoPlayer/issues/6648)).
* Fix seeking into multi-period content in the edge case that the period
containing the seek position has just been removed
([#6641](https://github.com/google/ExoPlayer/issues/6641)).
### 2.10.7 (2019-11-06)
* HLS: Fix detection of Dolby Atmos to match the HLS authoring specification.
* MediaSession extension: Update shuffle and repeat modes when playback state
is invalidated ([#6582](https://github.com/google/ExoPlayer/issues/6582)).
* Fix the start of audio getting truncated when transitioning to a new item in
a playlist of Opus streams.
### 2.10.6 (2019-10-17)
* Add `Player.onPlaybackSuppressionReasonChanged` to allow listeners to detect
playbacks suppressions (e.g. transient audio focus loss) directly
([#6203](https://github.com/google/ExoPlayer/issues/6203)).
* DASH:
* Support `Label` elements
([#6297](https://github.com/google/ExoPlayer/issues/6297)).
* Support legacy audio channel configuration
([#6523](https://github.com/google/ExoPlayer/issues/6523)).
* HLS: Add support for ID3 in EMSG when using FMP4 streams
([spec](https://aomediacodec.github.io/av1-id3/)).
* MP3: Add workaround to avoid prematurely ending playback of some SHOUTcast
live streams ([#6537](https://github.com/google/ExoPlayer/issues/6537),
[#6315](https://github.com/google/ExoPlayer/issues/6315) and
[#5658](https://github.com/google/ExoPlayer/issues/5658)).
* Metadata: Expose the raw ICY metadata through `IcyInfo`
([#6476](https://github.com/google/ExoPlayer/issues/6476)).
* UI:
* Setting `app:played_color` on `PlayerView` and `PlayerControlView` no
longer adjusts the colors of the scrubber handle , buffered and unplayed
parts of the time bar. These can be set separately using
`app:scrubber_color`, `app:buffered_color` and `app_unplayed_color`
respectively.
* Setting `app:ad_marker_color` on `PlayerView` and `PlayerControlView` no
longer adjusts the color of played ad markers. The color of played ad
markers can be set separately using `app:played_ad_marker_color`.
### 2.10.5 (2019-09-20)
* Add `Player.isPlaying` and `EventListener.onIsPlayingChanged` to check
whether the playback position is advancing. This helps to determine if
playback is suppressed due to audio focus loss. Also add
`Player.getPlaybackSuppressedReason` to determine the reason of the
suppression ([#6203](https://github.com/google/ExoPlayer/issues/6203)).
* Track selection
* Add `allowAudioMixedChannelCountAdaptiveness` parameter to
`DefaultTrackSelector` to allow adaptive selections of audio tracks with
different channel counts.
* Improve text selection logic to always prefer the better language
matches over other selection parameters.
* Fix audio selection issue where languages are compared by bitrate
([#6335](https://github.com/google/ExoPlayer/issues/6335)).
* Performance
* Increase maximum video buffer size from 13MB to 32MB. The previous
default was too small for high quality streams.
* Reset `DefaultBandwidthMeter` to initial values on network change.
* Bypass sniffing in `ProgressiveMediaPeriod` in case a single extractor
is provided ([#6325](https://github.com/google/ExoPlayer/issues/6325)).
* Metadata
* Support EMSG V1 boxes in FMP4.
* Support unwrapping of nested metadata (e.g. ID3 and SCTE-35 in EMSG).
* Add `HttpDataSource.getResponseCode` to provide the status code associated
with the most recent HTTP response.
* Fix transitions between packed audio and non-packed audio segments in HLS
([#6444](https://github.com/google/ExoPlayer/issues/6444)).
* Fix issue where a request would be retried after encountering an error, even
though the `LoadErrorHandlingPolicy` classified the error as fatal.
* Fix initialization data handling for FLAC in MP4
([#6396](https://github.com/google/ExoPlayer/issues/6396),
[#6397](https://github.com/google/ExoPlayer/issues/6397)).
* Fix decoder selection for E-AC3 JOC streams
([#6398](https://github.com/google/ExoPlayer/issues/6398)).
* Fix `PlayerNotificationManager` to show play icon rather than pause icon
when playback is ended
([#6324](https://github.com/google/ExoPlayer/issues/6324)).
* RTMP extension: Upgrade LibRtmp-Client-for-Android to fix RTMP playback
issues ([#4200](https://github.com/google/ExoPlayer/issues/4200),
[#4249](https://github.com/google/ExoPlayer/issues/4249),
[#4319](https://github.com/google/ExoPlayer/issues/4319),
[#4337](https://github.com/google/ExoPlayer/issues/4337)).
* IMA extension: Fix crash in `ImaAdsLoader.onTimelineChanged`
([#5831](https://github.com/google/ExoPlayer/issues/5831)).
### 2.10.4 (2019-07-26)
* Offline: Add `Scheduler` implementation that uses `WorkManager`.
* Add ability to specify a description when creating notification channels via
ExoPlayer library classes.
* Switch normalized BCP-47 language codes to use 2-letter ISO 639-1 language
tags instead of 3-letter ISO 639-2 language tags.
* Ensure the `SilenceMediaSource` position is in range
([#6229](https://github.com/google/ExoPlayer/issues/6229)).
* WAV: Calculate correct duration for clipped streams
([#6241](https://github.com/google/ExoPlayer/issues/6241)).
* MP3: Use CBR header bitrate, not calculated bitrate. This reverts a change
from 2.9.3 ([#6238](https://github.com/google/ExoPlayer/issues/6238)).
* FLAC extension: Parse `VORBIS_COMMENT` and `PICTURE` metadata
([#5527](https://github.com/google/ExoPlayer/issues/5527)).
* Fix issue where initial seek positions get ignored when playing a preroll ad
([#6201](https://github.com/google/ExoPlayer/issues/6201)).
* Fix issue where invalid language tags were normalized to "und" instead of
keeping the original
([#6153](https://github.com/google/ExoPlayer/issues/6153)).
* Fix `DataSchemeDataSource` re-opening and range requests
([#6192](https://github.com/google/ExoPlayer/issues/6192)).
* Fix FLAC and ALAC playback on some LG devices
([#5938](https://github.com/google/ExoPlayer/issues/5938)).
* Fix issue when calling `performClick` on `PlayerView` without
`PlayerControlView`
([#6260](https://github.com/google/ExoPlayer/issues/6260)).
* Fix issue where playback speeds are not used in adaptive track selections
after manual selection changes for other renderers
([#6256](https://github.com/google/ExoPlayer/issues/6256)).
### 2.10.3 (2019-07-09)
* Display last frame when seeking to end of stream
([#2568](https://github.com/google/ExoPlayer/issues/2568)).
* Audio:
* Fix an issue where not all audio was played out when the configuration
for the underlying track was changing (e.g., at some period
transitions).
* Fix an issue where playback speed was applied inaccurately in playlists
([#6117](https://github.com/google/ExoPlayer/issues/6117)).
* UI: Fix `PlayerView` incorrectly consuming touch events if no controller is
attached ([#6109](https://github.com/google/ExoPlayer/issues/6109)).
* CEA608: Fix repetition of special North American characters
([#6133](https://github.com/google/ExoPlayer/issues/6133)).
* FLV: Fix bug that caused playback of some live streams to not start
([#6111](https://github.com/google/ExoPlayer/issues/6111)).
* SmoothStreaming: Parse text stream `Subtype` into `Format.roleFlags`.
* MediaSession extension: Fix `MediaSessionConnector.play()` not resuming
playback ([#6093](https://github.com/google/ExoPlayer/issues/6093)).
### 2.10.2 (2019-06-03)
* Add `ResolvingDataSource` for just-in-time resolution of `DataSpec`s
([#5779](https://github.com/google/ExoPlayer/issues/5779)).
* Add `SilenceMediaSource` that can be used to play silence of a given
duration ([#5735](https://github.com/google/ExoPlayer/issues/5735)).
* Offline:
* Prevent unexpected `DownloadHelper.Callback.onPrepared` callbacks after
preparation of a `DownloadHelper` fails
([#5915](https://github.com/google/ExoPlayer/issues/5915)).
* Fix `CacheUtil.cache()` downloading too much data
([#5927](https://github.com/google/ExoPlayer/issues/5927)).
* Fix misreporting cached bytes when caching is paused
([#5573](https://github.com/google/ExoPlayer/issues/5573)).
* UI:
* Allow setting `DefaultTimeBar` attributes on `PlayerView` and
`PlayerControlView`.
* Change playback controls toggle from touch down to touch up events
([#5784](https://github.com/google/ExoPlayer/issues/5784)).
* Fix issue where playback controls were not kept visible on key presses
([#5963](https://github.com/google/ExoPlayer/issues/5963)).
* Subtitles:
* CEA-608: Handle XDS and TEXT modes
([#5807](https://github.com/google/ExoPlayer/pull/5807)).
* TTML: Fix bitmap rendering
([#5633](https://github.com/google/ExoPlayer/pull/5633)).
* IMA: Fix ad pod index offset calculation without preroll
([#5928](https://github.com/google/ExoPlayer/issues/5928)).
* Add a `playWhenReady` flag to MediaSessionConnector.PlaybackPreparer methods
to indicate whether a controller sent a play or only a prepare command. This
allows to take advantage of decoder reuse with the MediaSessionConnector
([#5891](https://github.com/google/ExoPlayer/issues/5891)).
* Add `ProgressUpdateListener` to `PlayerControlView`
([#5834](https://github.com/google/ExoPlayer/issues/5834)).
* Add support for auto-detecting UDP streams in `DefaultDataSource`
([#6036](https://github.com/google/ExoPlayer/pull/6036)).
* Allow enabling decoder fallback with `DefaultRenderersFactory`
([#5942](https://github.com/google/ExoPlayer/issues/5942)).
* Gracefully handle revoked `ACCESS_NETWORK_STATE` permission
([#6019](https://github.com/google/ExoPlayer/issues/6019)).
* Fix decoding problems when seeking back after seeking beyond a mid-roll ad
([#6009](https://github.com/google/ExoPlayer/issues/6009)).
* Fix application of `maxAudioBitrate` for adaptive audio track groups
([#6006](https://github.com/google/ExoPlayer/issues/6006)).
* Fix bug caused by parallel adaptive track selection using `Format`s without
bitrate information
([#5971](https://github.com/google/ExoPlayer/issues/5971)).
* Fix bug in `CastPlayer.getCurrentWindowIndex()`
([#5955](https://github.com/google/ExoPlayer/issues/5955)).
### 2.10.1 (2019-05-16)
* Offline: Add option to remove all downloads.
* HLS: Fix `NullPointerException` when using HLS chunkless preparation
([#5868](https://github.com/google/ExoPlayer/issues/5868)).
* Fix handling of empty values and line terminators in SHOUTcast ICY metadata
([#5876](https://github.com/google/ExoPlayer/issues/5876)).
* Fix DVB subtitles for SDK 28
([#5862](https://github.com/google/ExoPlayer/issues/5862)).
* Add a workaround for a decoder failure on ZTE Axon7 mini devices when
playing 48kHz audio
([#5821](https://github.com/google/ExoPlayer/issues/5821)).
### 2.10.0 (2019-04-15)
* Core library:
* Improve decoder re-use between playbacks
([#2826](https://github.com/google/ExoPlayer/issues/2826)). Read
[this blog post](https://medium.com/google-exoplayer/improved-decoder-reuse-in-exoplayer-ef4c6d99591d)
for more details.
* Rename `ExtractorMediaSource` to `ProgressiveMediaSource`.
* Fix issue where using `ProgressiveMediaSource.Factory` would mean that
`DefaultExtractorsFactory` would be kept by proguard. Custom
`ExtractorsFactory` instances must now be passed via the
`ProgressiveMediaSource.Factory` constructor, and `setExtractorsFactory`
is deprecated.
* Make the default minimum buffer size equal the maximum buffer size for
video playbacks
([#2083](https://github.com/google/ExoPlayer/issues/2083)).
* Move `PriorityTaskManager` from `DefaultLoadControl` to
`SimpleExoPlayer`.
* Add new `ExoPlaybackException` types for remote exceptions and
out-of-memory errors.
* Use full BCP 47 language tags in `Format`.
* Do not retry failed loads whose error is `FileNotFoundException`.
* Fix issue where not resetting the position for a new `MediaSource` in
calls to `ExoPlayer.prepare` causes an `IndexOutOfBoundsException`
([#5520](https://github.com/google/ExoPlayer/issues/5520)).
* Offline:
* Improve offline support. `DownloadManager` now tracks all offline
content, not just tasks in progress. Read
[this page](https://exoplayer.dev/downloading-media.html) for more
details.
* Caching:
* Improve performance of `SimpleCache`
([#4253](https://github.com/google/ExoPlayer/issues/4253)).
* Cache data with unknown length by default. The previous flag to opt in
to this behavior (`DataSpec.FLAG_ALLOW_CACHING_UNKNOWN_LENGTH`) has been
replaced with an opt out flag
(`DataSpec.FLAG_DONT_CACHE_IF_LENGTH_UNKNOWN`).
* Extractors:
* MP4/FMP4: Add support for Dolby Vision.
* MP4: Fix issue handling meta atoms in some streams
([#5698](https://github.com/google/ExoPlayer/issues/5698),
[#5694](https://github.com/google/ExoPlayer/issues/5694)).
* MP3: Add support for SHOUTcast ICY metadata
([#3735](https://github.com/google/ExoPlayer/issues/3735)).
* MP3: Fix ID3 frame unsychronization
([#5673](https://github.com/google/ExoPlayer/issues/5673)).
* MP3: Fix playback of badly clipped files
([#5772](https://github.com/google/ExoPlayer/issues/5772)).
* MPEG-TS: Enable HDMV DTS stream detection only if a flag is set. By
default (i.e. if the flag is not set), the 0x82 elementary stream type
is now treated as an SCTE subtitle track
([#5330](https://github.com/google/ExoPlayer/issues/5330)).
* Track selection:
* Add options for controlling audio track selections to
`DefaultTrackSelector`
([#3314](https://github.com/google/ExoPlayer/issues/3314)).
* Update `TrackSelection.Factory` interface to support creating all track
selections together.
* Allow to specify a selection reason for a `SelectionOverride`.
* Select audio track based on system language if no preference is
provided.
* When no text language preference matches, only select forced text tracks
whose language matches the selected audio language.
* UI:
* Update `DefaultTimeBar` based on duration of media and add parameter to
set the minimum update interval to control the smoothness of the updates
([#5040](https://github.com/google/ExoPlayer/issues/5040)).
* Move creation of dialogs for `TrackSelectionView`s to
`TrackSelectionDialogBuilder` and add option to select multiple
overrides.
* Change signature of `PlayerNotificationManager.NotificationListener` to
better fit service requirements.
* Add option to include navigation actions in the compact mode of
notifications created using `PlayerNotificationManager`.
* Fix issues with flickering notifications on KitKat when using
`PlayerNotificationManager` and `DownloadNotificationUtil`. For the
latter, applications should switch to using
`DownloadNotificationHelper`.
* Fix accuracy of D-pad seeking in `DefaultTimeBar`
([#5767](https://github.com/google/ExoPlayer/issues/5767)).
* Audio:
* Allow `AudioProcessor`s to be drained of pending output after they are
reconfigured.
* Fix an issue that caused audio to be truncated at the end of a period
when switching to a new period where gapless playback information was
newly present or newly absent.
* Add support for reading AC-4 streams
([#5303](https://github.com/google/ExoPlayer/pull/5303)).
* Video:
* Remove `MediaCodecSelector.DEFAULT_WITH_FALLBACK`. Apps should instead
signal that fallback should be used by passing `true` as the
`enableDecoderFallback` parameter when instantiating the video renderer.
* Support video tunneling when the decoder is not listed first for the
MIME type ([#3100](https://github.com/google/ExoPlayer/issues/3100)).
* Query `MediaCodecList.ALL_CODECS` when selecting a tunneling decoder
([#5547](https://github.com/google/ExoPlayer/issues/5547)).
* DRM:
* Fix black flicker when keys rotate in DRM protected content
([#3561](https://github.com/google/ExoPlayer/issues/3561)).
* Work around lack of LA_URL attribute in PlayReady key request init data.
* CEA-608: Improved conformance to the specification
([#3860](https://github.com/google/ExoPlayer/issues/3860)).
* DASH:
* Parse role and accessibility descriptors into `Format.roleFlags`.
* Support multiple CEA-608 channels muxed into FMP4 representations
([#5656](https://github.com/google/ExoPlayer/issues/5656)).
* HLS:
* Prevent unnecessary reloads of initialization segments.
* Form an adaptive track group out of audio renditions with matching name.
* Support encrypted initialization segments
([#5441](https://github.com/google/ExoPlayer/issues/5441)).
* Parse `EXT-X-MEDIA` `CHARACTERISTICS` attribute into `Format.roleFlags`.
* Add metadata entry for HLS tracks to expose master playlist information.
* Prevent `IndexOutOfBoundsException` in some live HLS scenarios
([#5816](https://github.com/google/ExoPlayer/issues/5816)).
* Support for playing spherical videos on Daydream.
* Cast extension: Work around Cast framework returning a limited-size queue
items list ([#4964](https://github.com/google/ExoPlayer/issues/4964)).
* VP9 extension: Remove RGB output mode and libyuv dependency, and switch to
surface YUV output as the default. Remove constructor parameters
`scaleToFit` and `useSurfaceYuvOutput`.
* MediaSession extension:
* Let apps intercept media button events
([#5179](https://github.com/google/ExoPlayer/issues/5179)).
* Fix issue with `TimelineQueueNavigator` not publishing the queue in
shuffled order when in shuffle mode.
* Allow handling of custom commands via `registerCustomCommandReceiver`.
* Add ability to include an extras `Bundle` when reporting a custom error.
* Log warnings when extension native libraries can't be used, to help with
diagnosing playback failures
([#5788](https://github.com/google/ExoPlayer/issues/5788)).
### 2.9.6 (2019-02-19)
* Remove `player` and `isTopLevelSource` parameters from
`MediaSource.prepare`.
* IMA extension:
* Require setting the `Player` on `AdsLoader` instances before playback.
* Remove deprecated `ImaAdsMediaSource`. Create `AdsMediaSource` with an
`ImaAdsLoader` instead.
* Remove deprecated `AdsMediaSource` constructors. Listen for media source
events using `AdsMediaSource.addEventListener`, and ad interaction
events by adding a listener when building `ImaAdsLoader`.
* Allow apps to register playback-related obstructing views that are on
top of their ad display containers via `AdsLoader.AdViewProvider`.
`PlayerView` implements this interface and will register its control
view. This makes it possible for ad loading SDKs to calculate ad
viewability accurately.
* DASH: Fix issue handling large `EventStream` presentation timestamps
([#5490](https://github.com/google/ExoPlayer/issues/5490)).
* HLS: Fix transition to STATE_ENDED when playing fragmented mp4 in chunkless
preparation ([#5524](https://github.com/google/ExoPlayer/issues/5524)).
* Revert workaround for video quality problems with Amlogic decoders, as this
may cause problems for some devices and/or non-interlaced content
([#5003](https://github.com/google/ExoPlayer/issues/5003)).
### 2.9.5 (2019-01-31)
* HLS: Parse `CHANNELS` attribute from `EXT-X-MEDIA` tag.
* ConcatenatingMediaSource:
* Add `Handler` parameter to methods that take a callback `Runnable`.
* Fix issue with dropped messages when releasing the source
([#5464](https://github.com/google/ExoPlayer/issues/5464)).
* ExtractorMediaSource: Fix issue that could cause the player to get stuck
buffering at the end of the media.
* PlayerView: Fix issue preventing `OnClickListener` from receiving events
([#5433](https://github.com/google/ExoPlayer/issues/5433)).
* IMA extension: Upgrade IMA dependency to 3.10.6.
* Cronet extension: Upgrade Cronet dependency to 71.3578.98.
* OkHttp extension: Upgrade OkHttp dependency to 3.12.1.
* MP3: Wider fix for issue where streams would play twice on some Samsung
devices ([#4519](https://github.com/google/ExoPlayer/issues/4519)).
### 2.9.4 (2019-01-15)
* IMA extension: Clear ads loader listeners on release
([#4114](https://github.com/google/ExoPlayer/issues/4114)).
* SmoothStreaming: Fix support for subtitles in DRM protected streams
([#5378](https://github.com/google/ExoPlayer/issues/5378)).
* FFmpeg extension: Treat invalid data errors as non-fatal to match the
behavior of MediaCodec
([#5293](https://github.com/google/ExoPlayer/issues/5293)).
* GVR extension: upgrade GVR SDK dependency to 1.190.0.
* Associate fatal player errors of type SOURCE with the loading source in
`AnalyticsListener.EventTime`
([#5407](https://github.com/google/ExoPlayer/issues/5407)).
* Add `startPositionUs` to `MediaSource.createPeriod`. This fixes an issue
where using lazy preparation in `ConcatenatingMediaSource` with an
`ExtractorMediaSource` overrides initial seek positions
([#5350](https://github.com/google/ExoPlayer/issues/5350)).
* Add subtext to the `MediaDescriptionAdapter` of the
`PlayerNotificationManager`.
* Add workaround for video quality problems with Amlogic decoders
([#5003](https://github.com/google/ExoPlayer/issues/5003)).
* Fix issue where sending callbacks for playlist changes may cause problems
because of parallel player access
([#5240](https://github.com/google/ExoPlayer/issues/5240)).
* Fix issue with reusing a `ClippingMediaSource` with an inner
`ExtractorMediaSource` and a non-zero start position
([#5351](https://github.com/google/ExoPlayer/issues/5351)).
* Fix issue where uneven track durations in MP4 streams can cause OOM problems
([#3670](https://github.com/google/ExoPlayer/issues/3670)).
### 2.9.3 (2018-12-20)
* Captions: Support PNG subtitles in SMPTE-TT
([#1583](https://github.com/google/ExoPlayer/issues/1583)).
* MPEG-TS: Use random access indicators to minimize the need for
`FLAG_ALLOW_NON_IDR_KEYFRAMES`.
* Downloading: Reduce time taken to remove downloads
([#5136](https://github.com/google/ExoPlayer/issues/5136)).
* MP3:
* Use the true bitrate for constant-bitrate MP3 seeking.
* Fix issue where streams would play twice on some Samsung devices
([#4519](https://github.com/google/ExoPlayer/issues/4519)).
* Fix regression where some audio formats were incorrectly marked as being
unplayable due to under-reporting of platform decoder capabilities
([#5145](https://github.com/google/ExoPlayer/issues/5145)).
* Fix decode-only frame skipping on Nvidia Shield TV devices.
* Workaround for MiTV (dangal) issue when swapping output surface
([#5169](https://github.com/google/ExoPlayer/issues/5169)).
### 2.9.2 (2018-11-28)
* HLS:
* Fix issue causing unnecessary media playlist requests when playing live
streams ([#5059](https://github.com/google/ExoPlayer/issues/5059)).
* Fix decoder re-instantiation issue for packed audio streams
([#5063](https://github.com/google/ExoPlayer/issues/5063)).
* MP4: Support Opus and FLAC in the MP4 container, and in DASH
([#4883](https://github.com/google/ExoPlayer/issues/4883)).
* DASH: Fix detecting the end of live events
([#4780](https://github.com/google/ExoPlayer/issues/4780)).
* Spherical video: Fall back to `TYPE_ROTATION_VECTOR` if
`TYPE_GAME_ROTATION_VECTOR` is unavailable
([#5119](https://github.com/google/ExoPlayer/issues/5119)).
* Support seeking for a wider range of MPEG-TS streams
([#5097](https://github.com/google/ExoPlayer/issues/5097)).
* Include channel count in audio capabilities check
([#4690](https://github.com/google/ExoPlayer/issues/4690)).
* Fix issue with applying the `show_buffering` attribute in `PlayerView`
([#5139](https://github.com/google/ExoPlayer/issues/5139)).
* Fix issue where null `Metadata` was output when it failed to decode
([#5149](https://github.com/google/ExoPlayer/issues/5149)).
* Fix playback of some invalid but playable MP4 streams by replacing
assertions with logged warnings in sample table parsing code
([#5162](https://github.com/google/ExoPlayer/issues/5162)).
* Fix UUID passed to `MediaCrypto` when using `C.CLEARKEY_UUID` before API 27.
### 2.9.1 (2018-11-01)
* Add convenience methods `Player.next`, `Player.previous`, `Player.hasNext`
and `Player.hasPrevious`
([#4863](https://github.com/google/ExoPlayer/issues/4863)).
* Improve initial bandwidth meter estimates using the current country and
network type.
* IMA extension:
* For preroll to live stream transitions, project forward the loading
position to avoid being behind the live window.
* Let apps specify whether to focus the skip button on ATV
([#5019](https://github.com/google/ExoPlayer/issues/5019)).
* MP3:
* Support seeking based on MLLT metadata
([#3241](https://github.com/google/ExoPlayer/issues/3241)).
* Fix handling of streams with appended data
([#4954](https://github.com/google/ExoPlayer/issues/4954)).
* DASH: Parse ProgramInformation element if present in the manifest.
* HLS:
* Add constructor to `DefaultHlsExtractorFactory` for adding TS payload
reader factory flags
([#4861](https://github.com/google/ExoPlayer/issues/4861)).
* Fix bug in segment sniffing
([#5039](https://github.com/google/ExoPlayer/issues/5039)).
* SubRip: Add support for alignment tags, and remove tags from the displayed
captions ([#4306](https://github.com/google/ExoPlayer/issues/4306)).
* Fix issue with blind seeking to windows with non-zero offset in a
`ConcatenatingMediaSource`
([#4873](https://github.com/google/ExoPlayer/issues/4873)).
* Fix logic for enabling next and previous actions in `TimelineQueueNavigator`
([#5065](https://github.com/google/ExoPlayer/issues/5065)).
* Fix issue where audio focus handling could not be disabled after enabling it
([#5055](https://github.com/google/ExoPlayer/issues/5055)).
* Fix issue where subtitles were positioned incorrectly if `SubtitleView` had
a non-zero position offset to its parent
([#4788](https://github.com/google/ExoPlayer/issues/4788)).
* Fix issue where the buffered position was not updated correctly when
transitioning between periods
([#4899](https://github.com/google/ExoPlayer/issues/4899)).
* Fix issue where a `NullPointerException` is thrown when removing an
unprepared media source from a `ConcatenatingMediaSource` with the
`useLazyPreparation` option enabled
([#4986](https://github.com/google/ExoPlayer/issues/4986)).
* Work around an issue where a non-empty end-of-stream audio buffer would be
output with timestamp zero, causing the player position to jump backwards
([#5045](https://github.com/google/ExoPlayer/issues/5045)).
* Suppress a spurious assertion failure on some Samsung devices
([#4532](https://github.com/google/ExoPlayer/issues/4532)).
* Suppress spurious "references unknown class member" shrinking warning
([#4890](https://github.com/google/ExoPlayer/issues/4890)).
* Swap recommended order for google() and jcenter() in gradle config
([#4997](https://github.com/google/ExoPlayer/issues/4997)).
### 2.9.0 (2018-09-06)
* Turn on Java 8 compiler support for the ExoPlayer library. Apps may need to
add `compileOptions { targetCompatibility JavaVersion.VERSION_1_8 }` to
their gradle settings to ensure bytecode compatibility.
* Set `compileSdkVersion` and `targetSdkVersion` to 28.
* Support for automatic audio focus handling via
`SimpleExoPlayer.setAudioAttributes`.
* Add `ExoPlayer.retry` convenience method.
* Add `AudioListener` for listening to changes in audio configuration during
playback ([#3994](https://github.com/google/ExoPlayer/issues/3994)).
* Add `LoadErrorHandlingPolicy` to allow configuration of load error handling
across `MediaSource` implementations
([#3370](https://github.com/google/ExoPlayer/issues/3370)).
* Allow passing a `Looper`, which specifies the thread that must be used to
access the player, when instantiating player instances using
`ExoPlayerFactory`
([#4278](https://github.com/google/ExoPlayer/issues/4278)).
* Allow setting log level for ExoPlayer logcat output
([#4665](https://github.com/google/ExoPlayer/issues/4665)).
* Simplify `BandwidthMeter` injection: The `BandwidthMeter` should now be
passed directly to `ExoPlayerFactory`, instead of to
`TrackSelection.Factory` and `DataSource.Factory`. The `BandwidthMeter` is
passed to the components that need it internally. The `BandwidthMeter` may
also be omitted, in which case a default instance will be used.
* Spherical video:
* Support for spherical video by setting `surface_type="spherical_view"`
on `PlayerView`.
* Support for
[VR180](https://github.com/google/spatial-media/blob/master/docs/vr180.md).
* HLS:
* Support PlayReady.
* Add container format sniffing
([#2025](https://github.com/google/ExoPlayer/issues/2025)).
* Support alternative `EXT-X-KEY` tags.
* Support `EXT-X-INDEPENDENT-SEGMENTS` in the master playlist.
* Support variable substitution
([#4422](https://github.com/google/ExoPlayer/issues/4422)).
* Fix the bitrate being unset on primary track sample formats
([#3297](https://github.com/google/ExoPlayer/issues/3297)).
* Make `HlsMediaSource.Factory` take a factory of trackers instead of a
tracker instance
([#4814](https://github.com/google/ExoPlayer/issues/4814)).
* DASH:
* Support `messageData` attribute for in-manifest event streams.
* Clip periods to their specified durations
([#4185](https://github.com/google/ExoPlayer/issues/4185)).
* Improve seeking support for progressive streams:
* Support seeking in MPEG-TS
([#966](https://github.com/google/ExoPlayer/issues/966)).
* Support seeking in MPEG-PS
([#4476](https://github.com/google/ExoPlayer/issues/4476)).
* Support approximate seeking in ADTS using a constant bitrate assumption
([#4548](https://github.com/google/ExoPlayer/issues/4548)). The
`FLAG_ENABLE_CONSTANT_BITRATE_SEEKING` flag must be set on the extractor
to enable this functionality.
* Support approximate seeking in AMR using a constant bitrate assumption.
The `FLAG_ENABLE_CONSTANT_BITRATE_SEEKING` flag must be set on the
extractor to enable this functionality.
* Add `DefaultExtractorsFactory.setConstantBitrateSeekingEnabled` to
enable approximate seeking using a constant bitrate assumption on all
extractors that support it.
* Video:
* Add callback to `VideoListener` to notify of surface size changes.
* Improve performance when playing high frame-rate content, and when
playing at greater than 1x speed
([#2777](https://github.com/google/ExoPlayer/issues/2777)).
* Scale up the initial video decoder maximum input size so playlist
transitions with small increases in maximum sample size do not require
reinitialization
([#4510](https://github.com/google/ExoPlayer/issues/4510)).
* Fix a bug where the player would not transition to the ended state when
playing video in tunneled mode.
* Audio:
* Support attaching auxiliary audio effects to the `AudioTrack` via
`Player.setAuxEffectInfo` and `Player.clearAuxEffectInfo`.
* Support seamless adaptation while playing xHE-AAC streams.
([#4360](https://github.com/google/ExoPlayer/issues/4360)).
* Increase `AudioTrack` buffer sizes to the theoretical maximum required
for each encoding for passthrough playbacks
([#3803](https://github.com/google/ExoPlayer/issues/3803)).
* WAV: Fix issue where white noise would be output at the end of playback
([#4724](https://github.com/google/ExoPlayer/issues/4724)).
* MP3: Fix issue where streams would play twice on the SM-T530
([#4519](https://github.com/google/ExoPlayer/issues/4519)).
* Analytics:
* Add callbacks to `DefaultDrmSessionEventListener` and
`AnalyticsListener` to be notified of acquired and released DRM
sessions.
* Add uri field to `LoadEventInfo` in `MediaSourceEventListener` and
`AnalyticsListener` callbacks. This uri is the redirected uri if
redirection occurred
([#2054](https://github.com/google/ExoPlayer/issues/2054)).
* Add response headers field to `LoadEventInfo` in
`MediaSourceEventListener` and `AnalyticsListener` callbacks
([#4361](https://github.com/google/ExoPlayer/issues/4361) and
[#4615](https://github.com/google/ExoPlayer/issues/4615)).
* UI:
* Add option to `PlayerView` to show buffering view when playWhenReady is
false ([#4304](https://github.com/google/ExoPlayer/issues/4304)).
* Allow any `Drawable` to be used as `PlayerView` default artwork.
* ConcatenatingMediaSource:
* Support lazy preparation of playlist media sources
([#3972](https://github.com/google/ExoPlayer/issues/3972)).
* Support range removal with `removeMediaSourceRange` methods
([#4542](https://github.com/google/ExoPlayer/issues/4542)).
* Support setting a new shuffle order with `setShuffleOrder`
([#4791](https://github.com/google/ExoPlayer/issues/4791)).
* MPEG-TS: Support CEA-608/708 in H262
([#2565](https://github.com/google/ExoPlayer/issues/2565)).
* Allow configuration of the back buffer in `DefaultLoadControl.Builder`
([#4857](https://github.com/google/ExoPlayer/issues/4857)).
* Allow apps to pass a `CacheKeyFactory` for setting custom cache keys when
creating a `CacheDataSource`.
* Provide additional information for adaptive track selection.
`TrackSelection.updateSelectedTrack` has two new parameters for the current
queue of media chunks and iterators for information about upcoming chunks.
* Allow `MediaCodecSelector`s to return multiple compatible decoders for
`MediaCodecRenderer`, and provide an (optional) `MediaCodecSelector` that
falls back to less preferred decoders like `MediaCodec.createDecoderByType`
([#273](https://github.com/google/ExoPlayer/issues/273)).
* Enable gzip for requests made by `SingleSampleMediaSource`
([#4771](https://github.com/google/ExoPlayer/issues/4771)).
* Fix bug reporting buffered position for multi-period windows, and add
convenience methods `Player.getTotalBufferedDuration` and
`Player.getContentBufferedDuration`
([#4023](https://github.com/google/ExoPlayer/issues/4023)).
* Fix bug where transitions to clipped media sources would happen too early
([#4583](https://github.com/google/ExoPlayer/issues/4583)).
* Fix bugs reporting events for multi-period media sources
([#4492](https://github.com/google/ExoPlayer/issues/4492) and
[#4634](https://github.com/google/ExoPlayer/issues/4634)).
* Fix issue where removing looping media from a playlist throws an exception
([#4871](https://github.com/google/ExoPlayer/issues/4871)).
* Fix issue where the preferred audio or text track would not be selected if
mapped onto a secondary renderer of the corresponding type
([#4711](http://github.com/google/ExoPlayer/issues/4711)).
* Fix issue where errors of upcoming playlist items are thrown too early
([#4661](https://github.com/google/ExoPlayer/issues/4661)).
* Allow edit lists which do not start with a sync sample.
([#4774](https://github.com/google/ExoPlayer/issues/4774)).
* Fix issue with audio discontinuities at period transitions, e.g. when
looping ([#3829](https://github.com/google/ExoPlayer/issues/3829)).
* Fix issue where `player.getCurrentTag()` throws an
`IndexOutOfBoundsException`
([#4822](https://github.com/google/ExoPlayer/issues/4822)).
* Fix bug preventing use of multiple key session support (`multiSession=true`)
for non-Widevine `DefaultDrmSessionManager` instances
([#4834](https://github.com/google/ExoPlayer/issues/4834)).
* Fix issue where audio and video would desynchronize when playing
concatenations of gapless content
([#4559](https://github.com/google/ExoPlayer/issues/4559)).
* IMA extension:
* Refine the previous fix for empty ad groups to avoid discarding ad
breaks unnecessarily
([#4030](https://github.com/google/ExoPlayer/issues/4030) and
[#4280](https://github.com/google/ExoPlayer/issues/4280)).
* Fix handling of empty postrolls
([#4681](https://github.com/google/ExoPlayer/issues/4681)).
* Fix handling of postrolls with multiple ads
([#4710](https://github.com/google/ExoPlayer/issues/4710)).
* MediaSession extension:
* Add `MediaSessionConnector.setCustomErrorMessage` to support setting
custom error messages.
* Add `MediaMetadataProvider` to support setting custom metadata
([#3497](https://github.com/google/ExoPlayer/issues/3497)).
* Cronet extension: Now distributed via jCenter.
* FFmpeg extension: Support mu-law and A-law PCM.
### 2.8.4 (2018-08-17)
* IMA extension: Improve handling of consecutive empty ad groups
([#4030](https://github.com/google/ExoPlayer/issues/4030)),
([#4280](https://github.com/google/ExoPlayer/issues/4280)).
### 2.8.3 (2018-07-23)
* IMA extension:
* Fix behavior when creating/releasing the player then releasing
`ImaAdsLoader`
([#3879](https://github.com/google/ExoPlayer/issues/3879)).
* Add support for setting slots for companion ads.
* Captions:
* TTML: Fix an issue with TTML using font size as % of cell resolution
that makes `SubtitleView.setApplyEmbeddedFontSizes()` not work
correctly. ([#4491](https://github.com/google/ExoPlayer/issues/4491)).
* CEA-608: Improve handling of embedded styles
([#4321](https://github.com/google/ExoPlayer/issues/4321)).
* DASH:
* Exclude text streams from duration calculations
([#4029](https://github.com/google/ExoPlayer/issues/4029)).
* Fix freezing when playing multi-period manifests with `EventStream`s
([#4492](https://github.com/google/ExoPlayer/issues/4492)).
* DRM: Allow DrmInitData to carry a license server URL
([#3393](https://github.com/google/ExoPlayer/issues/3393)).
* MPEG-TS: Fix bug preventing SCTE-35 cues from being output
([#4573](https://github.com/google/ExoPlayer/issues/4573)).
* Expose all internal ID3 data stored in MP4 udta boxes, and switch from using
CommentFrame to InternalFrame for frames with gapless metadata in MP4.
* Add `PlayerView.isControllerVisible`
([#4385](https://github.com/google/ExoPlayer/issues/4385)).
* Fix issue playing DRM protected streams on Asus Zenfone 2
([#4403](https://github.com/google/ExoPlayer/issues/4413)).
* Add support for multiple audio and video tracks in MPEG-PS streams
([#4406](https://github.com/google/ExoPlayer/issues/4406)).
* Add workaround for track index mismatches between trex and tkhd boxes in
fragmented MP4 files
([#4477](https://github.com/google/ExoPlayer/issues/4477)).
* Add workaround for track index mismatches between tfhd and tkhd boxes in
fragmented MP4 files
([#4083](https://github.com/google/ExoPlayer/issues/4083)).
* Ignore all MP4 edit lists if one edit list couldn't be handled
([#4348](https://github.com/google/ExoPlayer/issues/4348)).
* Fix issue when switching track selection from an embedded track to a primary
track in DASH ([#4477](https://github.com/google/ExoPlayer/issues/4477)).
* Fix accessibility class name for `DefaultTimeBar`
([#4611](https://github.com/google/ExoPlayer/issues/4611)).
* Improved compatibility with FireOS devices.
### 2.8.2 (2018-06-06)
* IMA extension: Don't advertise support for video/mpeg ad media, as we don't
have an extractor for this
([#4297](https://github.com/google/ExoPlayer/issues/4297)).
* DASH: Fix playback getting stuck when playing representations that have both
sidx atoms and non-zero presentationTimeOffset values.
* HLS:
* Allow injection of custom playlist trackers.
* Fix adaptation in live playlists with EXT-X-PROGRAM-DATE-TIME tags.
* Mitigate memory leaks when `MediaSource` loads are slow to cancel
([#4249](https://github.com/google/ExoPlayer/issues/4249)).
* Fix inconsistent `Player.EventListener` invocations for recursive player
state changes ([#4276](https://github.com/google/ExoPlayer/issues/4276)).
* Fix `MediaCodec.native_setSurface` crash on Moto C
([#4315](https://github.com/google/ExoPlayer/issues/4315)).
* Fix missing whitespace in CEA-608
([#3906](https://github.com/google/ExoPlayer/issues/3906)).
* Fix crash downloading HLS media playlists
([#4396](https://github.com/google/ExoPlayer/issues/4396)).
* Fix a bug where download cancellation was ignored
([#4403](https://github.com/google/ExoPlayer/issues/4403)).
* Set `METADATA_KEY_TITLE` on media descriptions
([#4292](https://github.com/google/ExoPlayer/issues/4292)).
* Allow apps to register custom MIME types
([#4264](https://github.com/google/ExoPlayer/issues/4264)).
### 2.8.1 (2018-05-22)
* HLS:
* Fix playback of livestreams with EXT-X-PROGRAM-DATE-TIME tags
([#4239](https://github.com/google/ExoPlayer/issues/4239)).
* Fix playback of clipped streams starting from non-keyframe positions
([#4241](https://github.com/google/ExoPlayer/issues/4241)).
* OkHttp extension: Fix to correctly include response headers in thrown
`InvalidResponseCodeException`s.
* Add possibility to cancel `PlayerMessage`s.
* UI:
* Add `PlayerView.setKeepContentOnPlayerReset` to keep the currently
displayed video frame or media artwork visible when the player is reset
([#2843](https://github.com/google/ExoPlayer/issues/2843)).
* Fix crash when switching surface on Moto E(4)
([#4134](https://github.com/google/ExoPlayer/issues/4134)).
* Fix a bug that could cause event listeners to be called with inconsistent
information if an event listener interacted with the player
([#4262](https://github.com/google/ExoPlayer/issues/4262)).
* Audio:
* Fix extraction of PCM in MP4/MOV
([#4228](https://github.com/google/ExoPlayer/issues/4228)).
* FLAC: Supports seeking for FLAC files without SEEKTABLE
([#1808](https://github.com/google/ExoPlayer/issues/1808)).
* Captions:
* TTML:
* Fix a styling issue when there are multiple regions displayed at the
same time that can make text size of each region much smaller than
defined.
* Fix an issue when the caption line has no text (empty line or only line
break), and the line's background is still displayed.
* Support TTML font size using % correctly (as percentage of document cell
resolution).
### 2.8.0 (2018-05-03)
* Downloading:
* Add `DownloadService`, `DownloadManager` and related classes
([#2643](https://github.com/google/ExoPlayer/issues/2643)). Information
on using these components to download progressive formats can be found
[here](https://medium.com/google-exoplayer/downloading-streams-6d259eec7f95).
To see how to download DASH, HLS and SmoothStreaming media, take a look
at the app.
* Updated main demo app to support downloading DASH, HLS, SmoothStreaming
and progressive media.
* MediaSources:
* Allow reusing media sources after they have been released and also in
parallel to allow adding them multiple times to a concatenation.
([#3498](https://github.com/google/ExoPlayer/issues/3498)).
* Merged `DynamicConcatenatingMediaSource` into `ConcatenatingMediaSource`
and deprecated `DynamicConcatenatingMediaSource`.
* Allow clipping of child media sources where the period and window have a
non-zero offset with `ClippingMediaSource`.
* Allow adding and removing `MediaSourceEventListener`s to MediaSources
after they have been created. Listening to events is now supported for
all media sources including composite sources.
* Added callbacks to `MediaSourceEventListener` to get notified when media
periods are created, released and being read from.
* Support live stream clipping with `ClippingMediaSource`.
* Allow setting tags for all media sources in their factories. The tag of
the current window can be retrieved with `Player.getCurrentTag`.
* UI:
* Add support for displaying error messages and a buffering spinner in
`PlayerView`.
* Add support for listening to `AspectRatioFrameLayout`'s aspect ratio
update ([#3736](https://github.com/google/ExoPlayer/issues/3736)).
* Add `PlayerNotificationManager` for displaying notifications reflecting
the player state.
* Add `TrackSelectionView` for selecting tracks with
`DefaultTrackSelector`.
* Add `TrackNameProvider` for converting track `Format`s to textual
descriptions, and `DefaultTrackNameProvider` as a default
implementation.
* Track selection:
* Reworked `MappingTrackSelector` and `DefaultTrackSelector`.
* `DefaultTrackSelector.Parameters` now implements `Parcelable`.
* Added UI components for track selection (see above).
* Audio:
* Support extracting data from AMR container formats, including both
narrow and wide band
([#2527](https://github.com/google/ExoPlayer/issues/2527)).
* FLAC:
* Sniff FLAC files correctly if they have ID3 headers
([#4055](https://github.com/google/ExoPlayer/issues/4055)).
* Supports FLAC files with high sample rate (176400 and 192000)
([#3769](https://github.com/google/ExoPlayer/issues/3769)).
* Factor out `AudioTrack` position tracking from `DefaultAudioSink`.
* Fix an issue where the playback position would pause just after playback
begins, and poll the audio timestamp less frequently once it starts
advancing ([#3841](https://github.com/google/ExoPlayer/issues/3841)).
* Add an option to skip silent audio in `PlaybackParameters`
([#2635](https://github.com/google/ExoPlayer/issues/2635)).
* Fix an issue where playback of TrueHD streams would get stuck after
seeking due to not finding a syncframe
([#3845](https://github.com/google/ExoPlayer/issues/3845)).
* Fix an issue with eac3-joc playback where a codec would fail to
configure ([#4165](https://github.com/google/ExoPlayer/issues/4165)).
* Handle non-empty end-of-stream buffers, to fix gapless playback of
streams with encoder padding when the decoder returns a non-empty final
buffer.
* Allow trimming more than one sample when applying an elst audio edit via
gapless playback info.
* Allow overriding skipping/scaling with custom `AudioProcessor`s
([#3142](https://github.com/google/ExoPlayer/issues/3142)).
* Caching:
* Add release method to the `Cache` interface, and prevent multiple
instances of `SimpleCache` using the same folder at the same time.
* Cache redirect URLs
([#2360](https://github.com/google/ExoPlayer/issues/2360)).
* DRM:
* Allow multiple listeners for `DefaultDrmSessionManager`.
* Pass `DrmSessionManager` to `ExoPlayerFactory` instead of
`RendererFactory`.
* Change minimum API requirement for CBC and pattern encryption from 24 to
25 ([#4022](https://github.com/google/ExoPlayer/issues/4022)).
* Fix handling of 307/308 redirects when making license requests
([#4108](https://github.com/google/ExoPlayer/issues/4108)).
* HLS:
* Fix playlist loading error propagation when the current selection does
not include all of the playlist's variants.
* Fix SAMPLE-AES-CENC and SAMPLE-AES-CTR EXT-X-KEY methods
([#4145](https://github.com/google/ExoPlayer/issues/4145)).
* Preeptively declare an ID3 track in chunkless preparation
([#4016](https://github.com/google/ExoPlayer/issues/4016)).
* Add support for multiple #EXT-X-MAP tags in a media playlist
([#4164](https://github.com/google/ExoPlayer/issues/4182)).
* Fix seeking in live streams
([#4187](https://github.com/google/ExoPlayer/issues/4187)).
* IMA extension:
* Allow setting the ad media load timeout
([#3691](https://github.com/google/ExoPlayer/issues/3691)).
* Expose ad load errors via `MediaSourceEventListener` on
`AdsMediaSource`, and allow setting an ad event listener on
`ImaAdsLoader`. Deprecate the `AdsMediaSource.EventListener`.
* Add `AnalyticsListener` interface which can be registered in
`SimpleExoPlayer` to receive detailed metadata for each ExoPlayer event.
* Optimize seeking in FMP4 by enabling seeking to the nearest sync sample
within a fragment. This benefits standalone FMP4 playbacks, DASH and
SmoothStreaming.
* Updated default max buffer length in `DefaultLoadControl`.
* Fix ClearKey decryption error if the key contains a forward slash
([#4075](https://github.com/google/ExoPlayer/issues/4075)).
* Fix crash when switching surface on Huawei P9 Lite
([#4084](https://github.com/google/ExoPlayer/issues/4084)), and Philips
QM163E ([#4104](https://github.com/google/ExoPlayer/issues/4104)).
* Support ZLIB compressed PGS subtitles.
* Added `getPlaybackError` to `Player` interface.
* Moved initial bitrate estimate from `AdaptiveTrackSelection` to
`DefaultBandwidthMeter`.
* Removed default renderer time offset of 60000000 from internal player. The
actual renderer timestamp offset can be obtained by listening to
`BaseRenderer.onStreamChanged`.
* Added dependencies on checkerframework annotations for static code analysis.
### 2.7.3 (2018-04-04)
* Fix ProGuard configuration for Cast, IMA and OkHttp extensions.
* Update OkHttp extension to depend on OkHttp 3.10.0.
### 2.7.2 (2018-03-29)
* Gradle: Upgrade Gradle version from 4.1 to 4.4 so it can work with Android
Studio 3.1 ([#3708](https://github.com/google/ExoPlayer/issues/3708)).
* Match codecs starting with "mp4a" to different Audio MimeTypes
([#3779](https://github.com/google/ExoPlayer/issues/3779)).
* Fix ANR issue on Redmi 4X and Redmi Note 4
([#4006](https://github.com/google/ExoPlayer/issues/4006)).
* Fix handling of zero padded strings when parsing Matroska streams
([#4010](https://github.com/google/ExoPlayer/issues/4010)).
* Fix "Decoder input buffer too small" error when playing some FLAC streams.
* MediaSession extension: Omit fast forward and rewind actions when media is
not seekable ([#4001](https://github.com/google/ExoPlayer/issues/4001)).
### 2.7.1 (2018-03-09)
* Gradle: Replaced 'compile' (deprecated) with 'implementation' and 'api'.
This may lead to build breakage for applications upgrading from previous
version that rely on indirect dependencies of certain modules. In such
cases, application developers need to add the missing dependency to their
gradle file. You can read more about the new dependency configurations
[here](https://developer.android.com/studio/build/gradle-plugin-3-0-0-migration.html#new_configurations).
* HlsMediaSource: Make HLS periods start at zero instead of the epoch.
Applications that rely on HLS timelines having a period starting at the
epoch will need to update their handling of HLS timelines. The program date
time is still available via the informational
`Timeline.Window.windowStartTimeMs` field
([#3865](https://github.com/google/ExoPlayer/issues/3865),
[#3888](https://github.com/google/ExoPlayer/issues/3888)).
* Enable seeking in MP4 streams where duration is set incorrectly in the track
header ([#3926](https://github.com/google/ExoPlayer/issues/3926)).
* Video: Force rendering a frame periodically in `MediaCodecVideoRenderer` and
`LibvpxVideoRenderer`, even if it is late.
### 2.7.0 (2018-02-19)
* Player interface:
* Add optional parameter to `stop` to reset the player when stopping.
* Add a reason to `EventListener.onTimelineChanged` to distinguish between
initial preparation, reset and dynamic updates.
* Add `Player.DISCONTINUITY_REASON_AD_INSERTION` to the possible reasons
reported in `Eventlistener.onPositionDiscontinuity` to distinguish
transitions to and from ads within one period from transitions between
periods.
* Replaced `ExoPlayer.sendMessages` with `ExoPlayer.createMessage` to
allow more customization of the message. Now supports setting a message
delivery playback position and/or a delivery handler
([#2189](https://github.com/google/ExoPlayer/issues/2189)).
* Add `Player.VideoComponent`, `Player.TextComponent` and
`Player.MetadataComponent` interfaces that define optional video, text
and metadata output functionality. New `getVideoComponent`,
`getTextComponent` and `getMetadataComponent` methods provide access to
this functionality.
* Add `ExoPlayer.setSeekParameters` for controlling how seek operations are
performed. The `SeekParameters` class contains defaults for exact seeking
and seeking to the closest sync points before, either side or after
specified seek positions. `SeekParameters` are not currently supported when
playing HLS streams.
* DefaultTrackSelector:
* Replace `DefaultTrackSelector.Parameters` copy methods with a builder.
* Support disabling of individual text track selection flags.
* Buffering:
* Allow a back-buffer of media to be retained behind the current playback
position, for fast backward seeking. The back-buffer can be configured
by custom `LoadControl` implementations.
* Add ability for `SequenceableLoader` to re-evaluate its buffer and
discard buffered media so that it can be re-buffered in a different
quality.
* Allow more flexible loading strategy when playing media containing
multiple sub-streams, by allowing injection of custom
`CompositeSequenceableLoader` factories through
`DashMediaSource.Factory`, `HlsMediaSource.Factory`,
`SsMediaSource.Factory`, and `MergingMediaSource`.
* Play out existing buffer before retrying for progressive live streams
([#1606](https://github.com/google/ExoPlayer/issues/1606)).
* UI:
* Generalized player and control views to allow them to bind with any
`Player`, and renamed them to `PlayerView` and `PlayerControlView`
respectively.
* Made `PlayerView` automatically apply video rotation when configured to
use `TextureView`
([#91](https://github.com/google/ExoPlayer/issues/91)).
* Made `PlayerView` play button behave correctly when the player is ended
([#3689](https://github.com/google/ExoPlayer/issues/3689)), and call a
`PlaybackPreparer` when the player is idle.
* DRM: Optimistically attempt playback of DRM protected content that does not
declare scheme specific init data in the manifest. If playback of clear
samples without keys is allowed, delay DRM session error propagation until
keys are actually needed
([#3630](https://github.com/google/ExoPlayer/issues/3630)).
* DASH:
* Support in-band Emsg events targeting the player with scheme id
`urn:mpeg:dash:event:2012` and scheme values "1", "2" and "3".
* Support EventStream elements in DASH manifests.
* HLS:
* Add opt-in support for chunkless preparation in HLS. This allows an HLS
source to finish preparation without downloading any chunks, which can
significantly reduce initial buffering time
([#3149](https://github.com/google/ExoPlayer/issues/3149)). More details
can be found
[here](https://medium.com/google-exoplayer/faster-hls-preparation-f6611aa15ea6).
* Fail if unable to sync with the Transport Stream, rather than entering
stuck in an indefinite buffering state.
* Fix mime type propagation
([#3653](https://github.com/google/ExoPlayer/issues/3653)).
* Fix ID3 context reuse across segment format changes
([#3622](https://github.com/google/ExoPlayer/issues/3622)).
* Use long for media sequence numbers
([#3747](https://github.com/google/ExoPlayer/issues/3747))
* Add initial support for the EXT-X-GAP tag.
* Audio:
* Support TrueHD passthrough for rechunked samples in Matroska files
([#2147](https://github.com/google/ExoPlayer/issues/2147)).
* Support resampling 24-bit and 32-bit integer to 32-bit float for high
resolution output in `DefaultAudioSink`
([#3635](https://github.com/google/ExoPlayer/pull/3635)).
* Captions:
* Basic support for PGS subtitles
([#3008](https://github.com/google/ExoPlayer/issues/3008)).
* Fix handling of CEA-608 captions where multiple buffers have the same
presentation timestamp
([#3782](https://github.com/google/ExoPlayer/issues/3782)).
* Caching:
* Fix cache corruption issue
([#3762](https://github.com/google/ExoPlayer/issues/3762)).
* Implement periodic check in `CacheDataSource` to see whether it's
possible to switch to reading/writing the cache having initially
bypassed it.
* IMA extension:
* Fix the player getting stuck when an ad group fails to load
([#3584](https://github.com/google/ExoPlayer/issues/3584)).
* Work around loadAd not being called beore the LOADED AdEvent arrives
([#3552](https://github.com/google/ExoPlayer/issues/3552)).
* Handle asset mismatch errors
([#3801](https://github.com/google/ExoPlayer/issues/3801)).
* Add support for playing non-Extractor content MediaSources in the IMA
demo app ([#3676](https://github.com/google/ExoPlayer/issues/3676)).
* Fix handling of ad tags where ad groups are out of order
([#3716](https://github.com/google/ExoPlayer/issues/3716)).
* Fix handling of ad tags with only preroll/postroll ad groups
([#3715](https://github.com/google/ExoPlayer/issues/3715)).
* Propagate ad media preparation errors to IMA so that the ads can be
skipped.
* Handle exceptions in IMA callbacks so that can be logged less verbosely.
* New Cast extension. Simplifies toggling between local and Cast playbacks.
* `EventLogger` moved from the demo app into the core library.
* Fix ANR issue on the Huawei P8 Lite, Huawei Y6II, Moto C+, Meizu M5C, Lenovo
K4 Note and Sony Xperia E5.
([#3724](https://github.com/google/ExoPlayer/issues/3724),
[#3835](https://github.com/google/ExoPlayer/issues/3835)).
* Fix potential NPE when removing media sources from a
DynamicConcatenatingMediaSource
([#3796](https://github.com/google/ExoPlayer/issues/3796)).
* Check `sys.display-size` on Philips ATVs
([#3807](https://github.com/google/ExoPlayer/issues/3807)).
* Release `Extractor`s on the loading thread to avoid potentially leaking
resources when the playback thread has quit by the time the loading task has
completed.
* ID3: Better handle malformed ID3 data
([#3792](https://github.com/google/ExoPlayer/issues/3792)).
* Support 14-bit mode and little endianness in DTS PES packets
([#3340](https://github.com/google/ExoPlayer/issues/3340)).
* Demo app: Add ability to download not DRM protected content.
### 2.6.1 (2017-12-15)
* Add factories to `ExtractorMediaSource`, `HlsMediaSource`, `SsMediaSource`,
`DashMediaSource` and `SingleSampleMediaSource`.
* Use the same listener `MediaSourceEventListener` for all MediaSource
implementations.
* IMA extension:
* Support non-ExtractorMediaSource ads
([#3302](https://github.com/google/ExoPlayer/issues/3302)).
* Skip ads before the ad preceding the player's initial seek position
([#3527](https://github.com/google/ExoPlayer/issues/3527)).
* Fix ad loading when there is no preroll.
* Add an option to turn off hiding controls during ad playback
([#3532](https://github.com/google/ExoPlayer/issues/3532)).
* Support specifying an ads response instead of an ad tag
([#3548](https://github.com/google/ExoPlayer/issues/3548)).
* Support overriding the ad load timeout
([#3556](https://github.com/google/ExoPlayer/issues/3556)).
* DASH: Support time zone designators in ISO8601 UTCTiming elements
([#3524](https://github.com/google/ExoPlayer/issues/3524)).
* Audio:
* Support 32-bit PCM float output from `DefaultAudioSink`, and add an
option to use this with `FfmpegAudioRenderer`.
* Add support for extracting 32-bit WAVE files
([#3379](https://github.com/google/ExoPlayer/issues/3379)).
* Support extraction and decoding of Dolby Atmos
([#2465](https://github.com/google/ExoPlayer/issues/2465)).
* Fix handling of playback parameter changes while paused when followed by
a seek.
* SimpleExoPlayer: Allow multiple audio and video debug listeners.
* DefaultTrackSelector: Support undefined language text track selection when
the preferred language is not available
([#2980](https://github.com/google/ExoPlayer/issues/2980)).
* Add options to `DefaultLoadControl` to set maximum buffer size in bytes and
to choose whether size or time constraints are prioritized.
* Use surfaceless context for secure `DummySurface`, if available
([#3558](https://github.com/google/ExoPlayer/issues/3558)).
* FLV: Fix playback of live streams that do not contain an audio track
([#3188](https://github.com/google/ExoPlayer/issues/3188)).
* CEA-608: Fix handling of row count changes in roll-up mode
([#3513](https://github.com/google/ExoPlayer/issues/3513)).
* Prevent period transitions when seeking to the end of a period when paused
([#2439](https://github.com/google/ExoPlayer/issues/2439)).
### 2.6.0 (2017-11-03)
* Removed "r" prefix from versions. This release is "2.6.0", not "r2.6.0".
* New `Player.DefaultEventListener` abstract class can be extended to avoid
having to implement all methods defined by `Player.EventListener`.
* Added a reason to `EventListener.onPositionDiscontinuity`
([#3252](https://github.com/google/ExoPlayer/issues/3252)).
* New `setShuffleModeEnabled` method for enabling shuffled playback.
* SimpleExoPlayer: Support for multiple video, text and metadata outputs.
* Support for `Renderer`s that don't consume any media
([#3212](https://github.com/google/ExoPlayer/issues/3212)).
* Fix reporting of internal position discontinuities via
`Player.onPositionDiscontinuity`. `DISCONTINUITY_REASON_SEEK_ADJUSTMENT` is
added to disambiguate position adjustments during seeks from other types of
internal position discontinuity.
* Fix potential `IndexOutOfBoundsException` when calling
`ExoPlayer.getDuration`
([#3362](https://github.com/google/ExoPlayer/issues/3362)).
* Fix playbacks involving looping, concatenation and ads getting stuck when
media contains tracks with uneven durations
([#1874](https://github.com/google/ExoPlayer/issues/1874)).
* Fix issue with `ContentDataSource` when reading from certain
`ContentProvider` implementations
([#3426](https://github.com/google/ExoPlayer/issues/3426)).
* Better playback experience when the video decoder cannot keep up, by
skipping to key-frames. This is particularly relevant for variable speed
playbacks.
* Allow `SingleSampleMediaSource` to suppress load errors
([#3140](https://github.com/google/ExoPlayer/issues/3140)).
* `DynamicConcatenatingMediaSource`: Allow specifying a callback to be invoked
after a dynamic playlist modification has been applied
([#3407](https://github.com/google/ExoPlayer/issues/3407)).
* Audio: New `AudioSink` interface allows customization of audio output path.
* Offline: Added `Downloader` implementations for DASH, HLS, SmoothStreaming
and progressive streams.
* Track selection:
* Fixed adaptive track selection logic for live playbacks
([#3017](https://github.com/google/ExoPlayer/issues/3017)).
* Added ability to select the lowest bitrate tracks.
* DASH:
* Don't crash when a malformed or unexpected manifest update occurs
([#2795](https://github.com/google/ExoPlayer/issues/2795)).
* HLS:
* Support for Widevine protected FMP4 variants.
* Support CEA-608 in FMP4 variants.
* Support extractor injection
([#2748](https://github.com/google/ExoPlayer/issues/2748)).
* DRM:
* Improved compatibility with ClearKey content
([#3138](https://github.com/google/ExoPlayer/issues/3138)).
* Support multiple PSSH boxes of the same type.
* Retry initial provisioning and key requests if they fail
* Fix incorrect parsing of non-CENC sinf boxes.
* IMA extension:
* Expose `AdsLoader` via getter
([#3322](https://github.com/google/ExoPlayer/issues/3322)).
* Handle `setPlayWhenReady` calls during ad playbacks
([#3303](https://github.com/google/ExoPlayer/issues/3303)).
* Ignore seeks if an ad is playing
([#3309](https://github.com/google/ExoPlayer/issues/3309)).
* Improve robustness of `ImaAdsLoader` in case content is not paused
between content to ad transitions
([#3430](https://github.com/google/ExoPlayer/issues/3430)).
* UI:
* Allow specifying a `Drawable` for the `TimeBar` scrubber
([#3337](https://github.com/google/ExoPlayer/issues/3337)).
* Allow multiple listeners on `TimeBar`
([#3406](https://github.com/google/ExoPlayer/issues/3406)).
* New Leanback extension: Simplifies binding Exoplayer to Leanback UI
components.
* Unit tests moved to Robolectric.
* Misc bugfixes.
### r2.5.4 (2017-10-19)
* Remove unnecessary media playlist fetches during playback of live HLS
streams.
* Add the ability to inject a HLS playlist parser through `HlsMediaSource`.
* Fix potential `IndexOutOfBoundsException` when using `ImaMediaSource`
([#3334](https://github.com/google/ExoPlayer/issues/3334)).
* Fix an issue parsing MP4 content containing non-CENC sinf boxes.
* Fix memory leak when seeking with repeated periods.
* Fix playback position when `ExoPlayer.prepare` is called with
`resetPosition` set to false.
* Ignore MP4 edit lists that seem invalid
([#3351](https://github.com/google/ExoPlayer/issues/3351)).
* Add extractor flag for ignoring all MP4 edit lists
([#3358](https://github.com/google/ExoPlayer/issues/3358)).
* Improve extensibility by exposing public constructors for
`FrameworkMediaCrypto` and by making `DefaultDashChunkSource.getNextChunk`
non-final.
### r2.5.3 (2017-09-20)
* IMA extension: Support skipping of skippable ads on AndroidTV and other
non-touch devices
([#3258](https://github.com/google/ExoPlayer/issues/3258)).
* HLS: Fix broken WebVTT captions when PTS wraps around
([#2928](https://github.com/google/ExoPlayer/issues/2928)).
* Captions: Fix issues rendering CEA-608 captions
([#3250](https://github.com/google/ExoPlayer/issues/3250)).
* Workaround broken AAC decoders on Galaxy S6
([#3249](https://github.com/google/ExoPlayer/issues/3249)).
* Caching: Fix infinite loop when cache eviction fails
([#3260](https://github.com/google/ExoPlayer/issues/3260)).
* Caching: Force use of BouncyCastle on JellyBean to fix decryption issue
([#2755](https://github.com/google/ExoPlayer/issues/2755)).
### r2.5.2 (2017-09-11)
* IMA extension: Fix issue where ad playback could end prematurely for some
content types ([#3180](https://github.com/google/ExoPlayer/issues/3180)).
* RTMP extension: Fix SIGABRT on fast RTMP stream restart
([#3156](https://github.com/google/ExoPlayer/issues/3156)).
* UI: Allow app to manually specify ad markers
([#3184](https://github.com/google/ExoPlayer/issues/3184)).
* DASH: Expose segment indices to subclasses of DefaultDashChunkSource
([#3037](https://github.com/google/ExoPlayer/issues/3037)).
* Captions: Added robustness against malformed WebVTT captions
([#3228](https://github.com/google/ExoPlayer/issues/3228)).
* DRM: Support forcing a specific license URL.
* Fix playback error when seeking in media loaded through content:// URIs
([#3216](https://github.com/google/ExoPlayer/issues/3216)).
* Fix issue playing MP4s in which the last atom specifies a size of zero
([#3191](https://github.com/google/ExoPlayer/issues/3191)).
* Workaround playback failures on some Xiaomi devices
([#3171](https://github.com/google/ExoPlayer/issues/3171)).
* Workaround SIGSEGV issue on some devices when setting and swapping surface
for secure playbacks
([#3215](https://github.com/google/ExoPlayer/issues/3215)).
* Workaround for Nexus 7 issue when swapping output surface
([#3236](https://github.com/google/ExoPlayer/issues/3236)).
* Workaround for SimpleExoPlayerView's surface not being hidden properly
([#3160](https://github.com/google/ExoPlayer/issues/3160)).
### r2.5.1 (2017-08-08)
* Fix an issue that could cause the reported playback position to stop
advancing in some cases.
* Fix an issue where a Surface could be released whilst still in use by the
player.
### r2.5.0 (2017-08-07)
* IMA extension: Wraps the Google Interactive Media Ads (IMA) SDK to provide
an easy and seamless way of incorporating display ads into ExoPlayer
playbacks. You can read more about the IMA extension
[here](https://medium.com/google-exoplayer/playing-ads-with-exoplayer-and-ima-868dfd767ea).
* MediaSession extension: Provides an easy way to connect ExoPlayer with
MediaSessionCompat in the Android Support Library.
* RTMP extension: An extension for playing streams over RTMP.
* Build: Made it easier for application developers to depend on a local
checkout of ExoPlayer. You can learn how to do this
[here](https://medium.com/google-exoplayer/howto-2-depend-on-a-local-checkout-of-exoplayer-bcd7f8531720).
* Core playback improvements:
* Eliminated re-buffering when changing audio and text track selections
during playback of progressive streams
([#2926](https://github.com/google/ExoPlayer/issues/2926)).
* New DynamicConcatenatingMediaSource class to support playback of dynamic
playlists.
* New ExoPlayer.setRepeatMode method for dynamic toggling of repeat mode
during playback. Use of setRepeatMode should be preferred to
LoopingMediaSource for most looping use cases. You can read more about
setRepeatMode
[here](https://medium.com/google-exoplayer/repeat-modes-in-exoplayer-19dd85f036d3).
* Eliminated jank when switching video playback from one Surface to
another on API level 23+ for unencrypted content, and on devices that
support the EGL_EXT_protected_content OpenGL extension for protected
content ([#677](https://github.com/google/ExoPlayer/issues/677)).
* Enabled ExoPlayer instantiation on background threads without Loopers.
Events from such players are delivered on the application's main thread.
* HLS improvements:
* Optimized adaptive switches for playlists that specify the
EXT-X-INDEPENDENT-SEGMENTS tag.
* Optimized in-buffer seeking
([#551](https://github.com/google/ExoPlayer/issues/551)).
* Eliminated re-buffering when changing audio and text track selections
during playback, provided the new selection does not require switching
to different renditions
([#2718](https://github.com/google/ExoPlayer/issues/2718)).
* Exposed all media playlist tags in ExoPlayer's MediaPlaylist object.
* DASH: Support for seamless switching across streams in different
AdaptationSet elements
([#2431](https://github.com/google/ExoPlayer/issues/2431)).
* DRM: Support for additional crypto schemes (cbc1, cbcs and cens) on API
level 24+ ([#1989](https://github.com/google/ExoPlayer/issues/1989)).
* Captions: Initial support for SSA/ASS subtitles
([#889](https://github.com/google/ExoPlayer/issues/889)).
* AndroidTV: Fixed issue where tunneled video playback would not start on some
devices ([#2985](https://github.com/google/ExoPlayer/issues/2985)).
* MPEG-TS: Fixed segmentation issue when parsing H262
([#2891](https://github.com/google/ExoPlayer/issues/2891)).
* Cronet extension: Support for a user-defined fallback if Cronet library is
not present.
* Fix buffer too small IllegalStateException issue affecting some composite
media playbacks ([#2900](https://github.com/google/ExoPlayer/issues/2900)).
* Misc bugfixes.
### r2.4.4 (2017-07-19)
* HLS/MPEG-TS: Some initial optimizations of MPEG-TS extractor performance
([#3040](https://github.com/google/ExoPlayer/issues/3040)).
* HLS: Fix propagation of format identifier for CEA-608
([#3033](https://github.com/google/ExoPlayer/issues/3033)).
* HLS: Detect playlist stuck and reset conditions
([#2872](https://github.com/google/ExoPlayer/issues/2872)).
* Video: Fix video dimension reporting on some devices
([#3007](https://github.com/google/ExoPlayer/issues/3007)).
### r2.4.3 (2017-06-30)
* Audio: Workaround custom audio decoders misreporting their maximum supported
channel counts ([#2940](https://github.com/google/ExoPlayer/issues/2940)).
* Audio: Workaround for broken MediaTek raw decoder on some devices
([#2873](https://github.com/google/ExoPlayer/issues/2873)).
* Captions: Fix TTML captions appearing at the top of the screen
([#2953](https://github.com/google/ExoPlayer/issues/2953)).
* Captions: Fix handling of some DVB subtitles
([#2957](https://github.com/google/ExoPlayer/issues/2957)).
* Track selection: Fix setSelectionOverride(index, tracks, null)
([#2988](https://github.com/google/ExoPlayer/issues/2988)).
* GVR extension: Add support for mono input
([#2710](https://github.com/google/ExoPlayer/issues/2710)).
* FLAC extension: Fix failing build
([#2977](https://github.com/google/ExoPlayer/pull/2977)).
* Misc bugfixes.
### r2.4.2 (2017-06-06)
* Stability: Work around Nexus 10 reboot when playing certain content
([#2806](https://github.com/google/ExoPlayer/issues/2806)).
* MP3: Correctly treat MP3s with INFO headers as constant bitrate
([#2895](https://github.com/google/ExoPlayer/issues/2895)).
* HLS: Use average rather than peak bandwidth when available
([#2863](https://github.com/google/ExoPlayer/issues/2863)).
* SmoothStreaming: Fix timeline for live streams
([#2760](https://github.com/google/ExoPlayer/issues/2760)).
* UI: Fix DefaultTimeBar invalidation
([#2871](https://github.com/google/ExoPlayer/issues/2871)).
* Misc bugfixes.
### r2.4.1 (2017-05-23)
* Stability: Avoid OutOfMemoryError in extractors when parsing malformed media
([#2780](https://github.com/google/ExoPlayer/issues/2780)).
* Stability: Avoid native crash on Galaxy Nexus. Avoid unnecessarily large
codec input buffer allocations on all devices
([#2607](https://github.com/google/ExoPlayer/issues/2607)).
* Variable speed playback: Fix interpolation for rate/pitch adjustment
([#2774](https://github.com/google/ExoPlayer/issues/2774)).
* HLS: Include EXT-X-DATERANGE tags in HlsMediaPlaylist.
* HLS: Don't expose CEA-608 track if CLOSED-CAPTIONS=NONE
([#2743](https://github.com/google/ExoPlayer/issues/2743)).
* HLS: Correctly propagate errors loading the media playlist
([#2623](https://github.com/google/ExoPlayer/issues/2623)).
* UI: DefaultTimeBar enhancements and bug fixes
([#2740](https://github.com/google/ExoPlayer/issues/2740)).
* Ogg: Fix failure to play some Ogg files
([#2782](https://github.com/google/ExoPlayer/issues/2782)).
* Captions: Don't select text tack with no language by default.
* Captions: TTML positioning fixes
([#2824](https://github.com/google/ExoPlayer/issues/2824)).
* Misc bugfixes.
### r2.4.0 (2017-04-25)
* New modular library structure. You can read more about depending on
individual library modules
[here](https://medium.com/google-exoplayer/exoplayers-new-modular-structure-a916c0874907).
* Variable speed playback support on API level 16+. You can read more about
changing the playback speed
[here](https://medium.com/google-exoplayer/variable-speed-playback-with-exoplayer-e6e6a71e0343)
([#26](https://github.com/google/ExoPlayer/issues/26)).
* New time bar view, including support for displaying ad break markers.
* Support DVB subtitles in MPEG-TS and MKV.
* Support adaptive playback for audio only DASH, HLS and SmoothStreaming
([#1975](https://github.com/google/ExoPlayer/issues/1975)).
* Support for setting extractor flags on DefaultExtractorsFactory
([#2657](https://github.com/google/ExoPlayer/issues/2657)).
* Support injecting custom renderers into SimpleExoPlayer using a new
RenderersFactory interface.
* Correctly set ExoPlayer's internal thread priority to
`THREAD_PRIORITY_AUDIO`.
* TX3G: Support styling and positioning.
* FLV:
* Support MP3 in FLV.
* Skip unhandled metadata rather than failing
([#2634](https://github.com/google/ExoPlayer/issues/2634)).
* Fix potential OutOfMemory errors.
* ID3: Better handle malformed ID3 data
([#2604](https://github.com/google/ExoPlayer/issues/2604),
[#2663](https://github.com/google/ExoPlayer/issues/2663)).
* FFmpeg extension: Fixed build instructions
([#2561](https://github.com/google/ExoPlayer/issues/2561)).
* VP9 extension: Reduced binary size.
* FLAC extension: Enabled 64 bit targets.
* Misc bugfixes.
### r2.3.1 (2017-03-23)
* Fix NPE enabling WebVTT subtitles in DASH streams
([#2596](https://github.com/google/ExoPlayer/issues/2596)).
* Fix skipping to keyframes when MediaCodecVideoRenderer is enabled but
without a Surface
([#2575](https://github.com/google/ExoPlayer/issues/2575)).
* Minor fix for CEA-708 decoder
([#2595](https://github.com/google/ExoPlayer/issues/2595)).
### r2.3.0 (2017-03-16)
* GVR extension: Wraps the Google VR Audio SDK to provide spatial audio
rendering. You can read more about the GVR extension
[here](https://medium.com/google-exoplayer/spatial-audio-with-exoplayer-and-gvr-cecb00e9da5f#.xdjebjd7g).
* DASH improvements:
* Support embedded CEA-608 closed captions
([#2362](https://github.com/google/ExoPlayer/issues/2362)).
* Support embedded EMSG events
([#2176](https://github.com/google/ExoPlayer/issues/2176)).
* Support mspr:pro manifest element
([#2386](https://github.com/google/ExoPlayer/issues/2386)).
* Correct handling of empty segment indices at the start of live events
([#1865](https://github.com/google/ExoPlayer/issues/1865)).
* HLS improvements:
* Respect initial track selection
([#2353](https://github.com/google/ExoPlayer/issues/2353)).
* Reduced frequency of media playlist requests when playback position is
close to the live edge
([#2548](https://github.com/google/ExoPlayer/issues/2548)).
* Exposed the master playlist through ExoPlayer.getCurrentManifest()
([#2537](https://github.com/google/ExoPlayer/issues/2537)).
* Support CLOSED-CAPTIONS #EXT-X-MEDIA type
([#341](https://github.com/google/ExoPlayer/issues/341)).
* Fixed handling of negative values in #EXT-X-SUPPORT
([#2495](https://github.com/google/ExoPlayer/issues/2495)).
* Fixed potential endless buffering state for streams with WebVTT
subtitles ([#2424](https://github.com/google/ExoPlayer/issues/2424)).
* MPEG-TS improvements:
* Support for multiple programs.
* Support for multiple closed captions and caption service descriptors
([#2161](https://github.com/google/ExoPlayer/issues/2161)).
* MP3: Add `FLAG_ENABLE_CONSTANT_BITRATE_SEEKING` extractor option to enable
constant bitrate seeking in MP3 files that would otherwise be unseekable
([#2445](https://github.com/google/ExoPlayer/issues/2445)).
* ID3: Better handle malformed ID3 data
([#2486](https://github.com/google/ExoPlayer/issues/2486)).
* Track selection: Added maxVideoBitrate parameter to DefaultTrackSelector.
* DRM: Add support for CENC ClearKey on API level 21+
([#2361](https://github.com/google/ExoPlayer/issues/2361)).
* DRM: Support dynamic setting of key request headers
([#1924](https://github.com/google/ExoPlayer/issues/1924)).
* SmoothStreaming: Fixed handling of start_time placeholder
([#2447](https://github.com/google/ExoPlayer/issues/2447)).
* FLAC extension: Fix proguard configuration
([#2427](https://github.com/google/ExoPlayer/issues/2427)).
* Misc bugfixes.
### r2.2.0 (2017-01-30)
* Demo app: Automatic recovery from BehindLiveWindowException, plus improved
handling of pausing and resuming live streams
([#2344](https://github.com/google/ExoPlayer/issues/2344)).
* AndroidTV: Added Support for tunneled video playback
([#1688](https://github.com/google/ExoPlayer/issues/1688)).
* DRM: Renamed StreamingDrmSessionManager to DefaultDrmSessionManager and
added support for using offline licenses
([#876](https://github.com/google/ExoPlayer/issues/876)).
* DRM: Introduce OfflineLicenseHelper to help with offline license
acquisition, renewal and release.
* UI: Updated player control assets. Added vector drawables for use on API
level 21 and above.
* UI: Made player control seek bar work correctly with key events if focusable
([#2278](https://github.com/google/ExoPlayer/issues/2278)).
* HLS: Improved support for streams that use EXT-X-DISCONTINUITY without
EXT-X-DISCONTINUITY-SEQUENCE
([#1789](https://github.com/google/ExoPlayer/issues/1789)).
* HLS: Support for EXT-X-START tag
([#1544](https://github.com/google/ExoPlayer/issues/1544)).
* HLS: Check #EXTM3U header is present when parsing the playlist. Fail
gracefully if not
([#2301](https://github.com/google/ExoPlayer/issues/2301)).
* HLS: Fix memory leak
([#2319](https://github.com/google/ExoPlayer/issues/2319)).
* HLS: Fix non-seamless first adaptation where master playlist omits
resolution tags ([#2096](https://github.com/google/ExoPlayer/issues/2096)).
* HLS: Fix handling of WebVTT subtitle renditions with non-standard segment
file extensions ([#2025](https://github.com/google/ExoPlayer/issues/2025)
and [#2355](https://github.com/google/ExoPlayer/issues/2355)).
* HLS: Better handle inconsistent HLS playlist update
([#2249](https://github.com/google/ExoPlayer/issues/2249)).
* DASH: Don't overflow when dealing with large segment numbers
([#2311](https://github.com/google/ExoPlayer/issues/2311)).
* DASH: Fix propagation of language from the manifest
([#2335](https://github.com/google/ExoPlayer/issues/2335)).
* SmoothStreaming: Work around "Offset to sample data was negative" failures
([#2292](https://github.com/google/ExoPlayer/issues/2292),
[#2101](https://github.com/google/ExoPlayer/issues/2101) and
[#1152](https://github.com/google/ExoPlayer/issues/1152)).
* MP3/ID3: Added support for parsing Chapter and URL link frames
([#2316](https://github.com/google/ExoPlayer/issues/2316)).
* MP3/ID3: Handle ID3 frames that end with empty text field
([#2309](https://github.com/google/ExoPlayer/issues/2309)).
* Added ClippingMediaSource for playing clipped portions of media
([#1988](https://github.com/google/ExoPlayer/issues/1988)).
* Added convenience methods to query whether the current window is dynamic and
seekable ([#2320](https://github.com/google/ExoPlayer/issues/2320)).
* Support setting of default headers on HttpDataSource.Factory implementations
([#2166](https://github.com/google/ExoPlayer/issues/2166)).
* Fixed cache failures when using an encrypted cache content index.
* Fix visual artifacts when switching output surface
([#2093](https://github.com/google/ExoPlayer/issues/2093)).
* Fix gradle + proguard configurations.
* Fix player position when replacing the MediaSource
([#2369](https://github.com/google/ExoPlayer/issues/2369)).
* Misc bug fixes, including
[#2330](https://github.com/google/ExoPlayer/issues/2330),
[#2269](https://github.com/google/ExoPlayer/issues/2269),
[#2252](https://github.com/google/ExoPlayer/issues/2252),
[#2264](https://github.com/google/ExoPlayer/issues/2264) and
[#2290](https://github.com/google/ExoPlayer/issues/2290).
### r2.1.1 (2016-12-20)
* Fix some subtitle types (e.g. WebVTT) being displayed out of sync
([#2208](https://github.com/google/ExoPlayer/issues/2208)).
* Fix incorrect position reporting for on-demand HLS media that includes
EXT-X-PROGRAM-DATE-TIME tags
([#2224](https://github.com/google/ExoPlayer/issues/2224)).
* Fix issue where playbacks could get stuck in the initial buffering state if
over 1MB of data needs to be read to initialize the playback.
### r2.1.0 (2016-12-14)
* HLS: Support for seeking in live streams
([#87](https://github.com/google/ExoPlayer/issues/87)).
* HLS: Improved support:
* Support for EXT-X-PROGRAM-DATE-TIME
([#747](https://github.com/google/ExoPlayer/issues/747)).
* Improved handling of sample timestamps and their alignment across
variants and renditions.
* Fix issue that could cause playbacks to get stuck in an endless initial
buffering state.
* Correctly propagate BehindLiveWindowException instead of
IndexOutOfBoundsException exception
([#1695](https://github.com/google/ExoPlayer/issues/1695)).
* MP3/MP4: Support for ID3 metadata, including embedded album art
([#979](https://github.com/google/ExoPlayer/issues/979)).
* Improved customization of UI components. You can read about customization of
ExoPlayer's UI components
[here](https://medium.com/google-exoplayer/customizing-exoplayers-ui-components-728cf55ee07a#.9ewjg7avi).
* Robustness improvements when handling MediaSource timeline changes and
MediaPeriod transitions.
* CEA-608: Support for caption styling and positioning.
* MPEG-TS: Improved support:
* Support injection of custom TS payload readers.
* Support injection of custom section payload readers.
* Support SCTE-35 splice information messages.
* Support multiple table sections in a single PSI section.
* Fix NullPointerException when an unsupported stream type is encountered
([#2149](https://github.com/google/ExoPlayer/issues/2149)).
* Avoid failure when expected ID3 header not found
([#1966](https://github.com/google/ExoPlayer/issues/1966)).
* Improvements to the upstream cache package.
* Support caching of media segments for DASH, HLS and SmoothStreaming.
Note that caching of manifest and playlist files is still not supported
in the (normal) case where the corresponding responses are compressed.
* Support caching for ExtractorMediaSource based playbacks.
* Improved flexibility of SimpleExoPlayer
([#2102](https://github.com/google/ExoPlayer/issues/2102)).
* Fix issue where only the audio of a video would play due to capability
detection issues ([#2007](https://github.com/google/ExoPlayer/issues/2007),
[#2034](https://github.com/google/ExoPlayer/issues/2034) and
[#2157](https://github.com/google/ExoPlayer/issues/2157)).
* Fix issues that could cause ExtractorMediaSource based playbacks to get
stuck buffering ([#1962](https://github.com/google/ExoPlayer/issues/1962)).
* Correctly set SimpleExoPlayerView surface aspect ratio when an active player
is attached ([#2077](https://github.com/google/ExoPlayer/issues/2077)).
* OGG: Fix playback of short OGG files
([#1976](https://github.com/google/ExoPlayer/issues/1976)).
* MP4: Support `.mp3` tracks
([#2066](https://github.com/google/ExoPlayer/issues/2066)).
* SubRip: Don't fail playbacks if SubRip file contains negative timestamps
([#2145](https://github.com/google/ExoPlayer/issues/2145)).
* Misc bugfixes.
### r2.0.4 (2016-10-20)
* Fix crash on Jellybean devices when using playback controls
([#1965](https://github.com/google/ExoPlayer/issues/1965)).
### r2.0.3 (2016-10-17)
* Fixed NullPointerException in ExtractorMediaSource
([#1914](https://github.com/google/ExoPlayer/issues/1914)).
* Fixed NullPointerException in HlsMediaPeriod
([#1907](https://github.com/google/ExoPlayer/issues/1907)).
* Fixed memory leak in PlaybackControlView
([#1908](https://github.com/google/ExoPlayer/issues/1908)).
* Fixed strict mode violation when using
SimpleExoPlayer.setVideoPlayerTextureView().
* Fixed L3 Widevine provisioning
([#1925](https://github.com/google/ExoPlayer/issues/1925)).
* Fixed hiding of controls with use_controller="false"
([#1919](https://github.com/google/ExoPlayer/issues/1919)).
* Improvements to Cronet network stack extension.
* Misc bug fixes.
### r2.0.2 (2016-10-06)
* Fixes for MergingMediaSource and sideloaded subtitles.
([#1882](https://github.com/google/ExoPlayer/issues/1882),
[#1854](https://github.com/google/ExoPlayer/issues/1854),
[#1900](https://github.com/google/ExoPlayer/issues/1900)).
* Reduced effect of application code leaking player references
([#1855](https://github.com/google/ExoPlayer/issues/1855)).
* Initial support for fragmented MP4 in HLS.
* Misc bug fixes and minor features.
### r2.0.1 (2016-09-30)
* Fix playback of short duration content
([#1837](https://github.com/google/ExoPlayer/issues/1837)).
* Fix MergingMediaSource preparation issue
([#1853](https://github.com/google/ExoPlayer/issues/1853)).
* Fix live stream buffering (out of memory) issue
([#1825](https://github.com/google/ExoPlayer/issues/1825)).
### r2.0.0 (2016-09-14)
ExoPlayer 2.x is a major iteration of the library. It includes significant API
and architectural changes, new features and many bug fixes. You can read about
some of the motivations behind ExoPlayer 2.x
[here](https://medium.com/google-exoplayer/exoplayer-2-x-why-what-and-when-74fd9cb139#.am7h8nytm).
* Root package name changed to `com.google.android.exoplayer2`. The library
structure and class names have also been sanitized. Read more
[here](https://medium.com/google-exoplayer/exoplayer-2-x-new-package-and-class-names-ef8e1d9ba96f#.lv8sd4nez).
* Key architectural changes:
* Late binding between rendering and media source components. Allows the
same rendering components to be re-used from one playback to another.
Enables features such as gapless playback through playlists and DASH
multi-period support.
* Improved track selection design. More details can be found
[here](https://medium.com/google-exoplayer/exoplayer-2-x-track-selection-2b62ff712cc9#.n00zo76b6).
* LoadControl now used to control buffering and loading across all
playback types.
* Media source components given additional structure. A new MediaSource
class has been introduced. MediaSources expose Timelines that describe
the media they expose, and can consist of multiple MediaPeriods. This
enables features such as seeking in live playbacks and DASH multi-period
support.
* Responsibility for loading the initial DASH/SmoothStreaming/HLS manifest
is promoted to the corresponding MediaSource components and is no longer
the application's responsibility.
* Higher level abstractions such as SimpleExoPlayer have been added to the
library. These make the library easier to use for common use cases. The
demo app is halved in size as a result, whilst at the same time gaining
more functionality. Read more
[here](https://medium.com/google-exoplayer/exoplayer-2-x-improved-demo-app-d97171aaaaa1).
* Enhanced library support for implementing audio extensions. Read more
[here](https://medium.com/google-exoplayer/exoplayer-2-x-new-audio-features-cfb26c2883a#.ua75vu4s3).
* Format and MediaFormat are replaced by a single Format class.
* Key new features:
* Playlist support. Includes support for gapless playback between playlist
items and consistent application of LoadControl and TrackSelector
policies when transitioning between items
([#1270](https://github.com/google/ExoPlayer/issues/1270)).
* Seeking in live playbacks for DASH and SmoothStreaming
([#291](https://github.com/google/ExoPlayer/issues/291)).
* DASH multi-period support
([#557](https://github.com/google/ExoPlayer/issues/557)).
* MediaSource composition allows MediaSources to be concatenated into a
playlist, merged and looped. Read more
[here](https://medium.com/google-exoplayer/exoplayer-2-x-mediasource-composition-6c285fcbca1f#.zfha8qupz).
* Looping support (see above)
([#490](https://github.com/google/ExoPlayer/issues/490)).
* Ability to query information about all tracks in a piece of media
(including those not supported by the device)
([#1121](https://github.com/google/ExoPlayer/issues/1121)).
* Improved player controls.
* Support for PSSH in fMP4 moof atoms
([#1143](https://github.com/google/ExoPlayer/issues/1143)).
* Support for Opus in Ogg
([#1447](https://github.com/google/ExoPlayer/issues/1447)).
* CacheDataSource support for standalone media file playbacks (mp3, mp4
etc).
* FFMPEG extension (for audio only).
* Key bug fixes:
* Removed unnecessary secondary requests when playing standalone media
files ([#1041](https://github.com/google/ExoPlayer/issues/1041)).
* Fixed playback of video only (i.e. no audio) live streams
([#758](https://github.com/google/ExoPlayer/issues/758)).
* Fixed silent failure when media buffer is too small
([#583](https://github.com/google/ExoPlayer/issues/583)).
* Suppressed "Sending message to a Handler on a dead thread" warnings
([#426](https://github.com/google/ExoPlayer/issues/426)).
# Legacy release notes
Note: Since ExoPlayer V1 is still being maintained alongside V2, there is some
overlap between these notes and the notes above. r2.0.0 followed from r1.5.11,
and hence it can be assumed that all changes in r1.5.11 and earlier are included
in all V2 releases. This cannot be assumed for changes in r1.5.12 and later,
however it can be assumed that all such changes are included in the most recent
V2 release.
### r1.5.16
* VP9 extension: Reduced binary size.
* FLAC extension: Enabled 64 bit targets and fixed proguard config.
* Misc bugfixes.
### r1.5.15
* SmoothStreaming: Fixed handling of start_time placeholder
([#2447](https://github.com/google/ExoPlayer/issues/2447)).
* Misc bugfixes.
### r1.5.14
* Fixed cache failures when using an encrypted cache content index.
* SmoothStreaming: Work around "Offset to sample data was negative" failures
([#2292](https://github.com/google/ExoPlayer/issues/2292),
[#2101](https://github.com/google/ExoPlayer/issues/2101) and
[#1152](https://github.com/google/ExoPlayer/issues/1152)).
### r1.5.13
* Improvements to the upstream cache package.
* MP4: Support `.mp3` tracks
([#2066](https://github.com/google/ExoPlayer/issues/2066)).
* SubRip: Don't fail playbacks if SubRip file contains negative timestamps
([#2145](https://github.com/google/ExoPlayer/issues/2145)).
* MPEG-TS: Avoid failure when expected ID3 header not found
([#1966](https://github.com/google/ExoPlayer/issues/1966)).
* Misc bugfixes.
### r1.5.12
* Improvements to Cronet network stack extension.
* Fix bug in demo app introduced in r1.5.11 that caused L3 Widevine
provisioning requests to fail.
* Misc bugfixes.
### r1.5.11
* Cronet network stack extension.
* HLS: Fix propagation of language for alternative audio renditions
([#1784](https://github.com/google/ExoPlayer/issues/1784)).
* WebM: Support for subsample encryption.
* ID3: Fix EOS detection for 2-byte encodings
([#1774](https://github.com/google/ExoPlayer/issues/1774)).
* MPEG-TS: Support multiple tracks of the same type.
* MPEG-TS: Work toward robust handling of stream corruption.
* Fix ContentDataSource failures triggered by garbage collector
([#1759](https://github.com/google/ExoPlayer/issues/1759)).
### r1.5.10
* HLS: Stability fixes.
* MP4: Support for stz2 Atoms.
* Enable 4K format selection on Sony AndroidTV + nVidia SHIELD.
* TX3G caption fixes.
### r1.5.9
* MP4: Fixed incorrect sniffing in some cases (#1523).
* MP4: Improved file compatibility (#1567).
* ID3: Support for TIT2 and APIC frames.
* Fixed querying of platform decoders on some devices.
* Misc bug fixes.
### r1.5.8
* HLS: Fix handling of HTTP redirects.
* Audio: Minor adjustment to improve A/V sync.
* OGG: Support FLAC in OGG.
* TTML: Support regions.
* WAV/PCM: Support 8, 24 and 32-bit WAV and PCM audio.
* Misc bug fixes and performance optimizations.
### r1.5.7
* OGG: Support added for OGG.
* FLAC: Support for FLAC extraction and playback (via an extension).
* HLS: Multiple audio track support (via Renditions).
* FMP4: Support multiple tracks in fragmented MP4 (not applicable to
DASH/SmoothStreaming).
* WAV: Support for 16-bit WAV files.
* MKV: Support non-square pixel formats.
* Misc bug fixes.
### r1.5.6
* MP3: Fix mono streams playing at 2x speed on some MediaTek based devices
(#801).
* MP3: Fix playback of some streams when stream length is unknown.
* ID3: Support multiple frames of the same type in a single tag.
* CEA-608: Correctly handle repeated control characters, fixing an issue in
which captions would immediately disappear.
* AVC3: Fix decoder failures on some MediaTek devices in the case where the
first buffer fed to the decoder does not start with SPS/PPS NAL units.
* Misc bug fixes.
### r1.5.5
* DASH: Enable MP4 embedded WebVTT playback (#1185)
* HLS: Fix handling of extended ID3 tags in MPEG-TS (#1181)
* MP3: Fix incorrect position calculation in VBRI header (#1197)
* Fix issue seeking backward using SingleSampleSource (#1193)
### r1.5.4
* HLS: Support for variant selection and WebVtt subtitles.
* MP4: Support for embedded WebVtt.
* Improved device compatibility.
* Fix for resource leak (Issue #1066).
* Misc bug fixes + minor features.
### r1.5.3
* Support for FLV (without seeking).
* MP4: Fix for playback of media containing basic edit lists.
* QuickTime: Fix parsing of QuickTime style audio sample entry.
* HLS: Add H262 support for devices that have an H262 decoder.
* Allow AudioTrack PlaybackParams (e.g. speed/pitch) on API level 23+.
* Correctly detect 4K displays on API level 23+.
* Misc bug fixes.
### r1.5.2
* MPEG-TS/HLS: Fix frame drops playing H265 video.
* SmoothStreaming: Fix parsing of ProtectionHeader.
### r1.5.1
* Enable smooth frame release by default.
* Added OkHttpDataSource extension.
* AndroidTV: Correctly detect 4K display size on Bravia devices.
* FMP4: Handle non-sample data in mdat boxes.
* TTML: Fix parsing of some colors on Jellybean.
* SmoothStreaming: Ignore tfdt boxes.
* Misc bug fixes.
### r1.5.0
* Multi-track support.
* DASH: Limited support for multi-period manifests.
* HLS: Smoother format adaptation.
* HLS: Support for MP3 media segments.
* TTML: Support for most embedded TTML styling.
* WebVTT: Enhanced positioning support.
* Initial playback tests.
* Misc bug fixes.
### r1.4.2
* Implemented automatic format detection for regular container formats.
* Added UdpDataSource for connecting to multicast streams.
* Improved robustness for MP4 playbacks.
* Misc bug fixes.
### r1.4.1
* HLS: Fix premature playback failures that could occur in some cases.
### r1.4.0
* Support for extracting Matroska streams (implemented by WebmExtractor).
* Support for tx3g captions in MP4 streams.
* Support for H.265 in MPEG-TS streams on supported devices.
* HLS: Added support for MPEG audio (e.g. MP3) in TS media segments.
* HLS: Improved robustness against missing chunks and variants.
* MP4: Added support for embedded MPEG audio (e.g. MP3).
* TTML: Improved handling of whitespace.
* DASH: Support Mpd.Location element.
* Add option to TsExtractor to allow non-IDR keyframes.
* Added MulticastDataSource for connecting to multicast streams.
* (WorkInProgress) - First steps to supporting seeking in DASH DVR window.
* (WorkInProgress) - First steps to supporting styled + positioned subtitles.
* Misc bug fixes.
### r1.3.3
* HLS: Fix failure when playing HLS AAC streams.
* Misc bug fixes.
### r1.3.2
* DataSource improvements: `DefaultUriDataSource` now handles http://,
https://, file://, asset:// and content:// URIs automatically. It also
handles file:///android_asset/* URIs, and file paths like /path/to/media.mp4
where the scheme is omitted.
* HLS: Fix for some ID3 events being dropped.
* HLS: Correctly handle 0x0 and floating point RESOLUTION tags.
* Mp3Extractor: robustness improvements.
### r1.3.1
* No notes provided.
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