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media/RELEASENOTES.md
bachinger 5d84804070 Use onMediaMetadataChanged for updating the legacy session 
Issue: androidx/media#219
PiperOrigin-RevId: 501080612
(cherry picked from commit 375299bf364041ccef17b81020a13af7db997433)
2023-01-25 18:18:41 +00:00

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# Release notes
### Unreleased changes
* Core library:
* Tweak the renderer's decoder ordering logic to uphold the
`MediaCodecSelector`'s preferences, even if a decoder reports it may not
be able to play the media performantly. For example with default
selector, hardware decoder with only functional support will be
preferred over software decoder that fully supports the format
([#10604](https://github.com/google/ExoPlayer/issues/10604)).
* Add `ExoPlayer.Builder.setPlaybackLooper` that sets a pre-existing
playback thread for a new ExoPlayer instance.
* Allow download manager helpers to be cleared
([#10776](https://github.com/google/ExoPlayer/issues/10776)).
* Add parameter to `BasePlayer.seekTo` to also indicate the command used
for seeking.
* Use theme when loading drawables on API 21+
([#220](https://github.com/androidx/media/issues/220)).
* Throw a ParserException instead of a NullPointerException if the sample
* table (stbl) is missing a required sample description (stsd) when
* parsing trak atoms.
* Audio:
* Use the compressed audio format bitrate to calculate the min buffer size
for `AudioTrack` in direct playbacks (passthrough).
* Text:
* Fix `TextRenderer` passing an invalid (negative) index to
`Subtitle.getEventTime` if a subtitle file contains no cues.
* SubRip: Add support for UTF-16 files if they start with a byte order
mark.
* UI:
* Fix the deprecated
`PlayerView.setControllerVisibilityListener(PlayerControlView.VisibilityListener)`
to ensure visibility changes are passed to the registered listener
([#229](https://github.com/androidx/media/issues/229)).
* Fix the ordering of the center player controls in `PlayerView` when
using a right-to-left (RTL) layout
([#227](https://github.com/androidx/media/issues/227)).
* Session:
* Add abstract `SimpleBasePlayer` to help implement the `Player` interface
for custom players.
* Add helper method to convert platform session token to Media3
`SessionToken` ([#171](https://github.com/androidx/media/issues/171)).
* Use `onMediaMetadataChanged` to trigger updates of the platform media
session ([#219](https://github.com/androidx/media/issues/219)).
* Metadata:
* Parse multiple null-separated values from ID3 frames, as permitted by
ID3 v2.4.
* Add `MediaMetadata.mediaType` to denote the type of content or the type
of folder described by the metadata.
* Add `MediaMetadata.isBrowsable` as a replacement for
`MediaMetadata.folderType`. The folder type will be deprecated in the
next release.
* Cast extension
* Bump Cast SDK version to 21.2.0.
* IMA extension
* Remove player listener of the `ImaServerSideAdInsertionMediaSource` on
the application thread to avoid threading issues.
* Add a property `focusSkipButtonWhenAvailable` to the
`ImaServerSideAdInsertionMediaSource.AdsLoader.Builder` to request
focusing the skip button on TV devices and set it to true by default.
* Bump IMA SDK version to 3.29.0.
### 1.0.0-beta03 (2022-11-22)
This release corresponds to the
[ExoPlayer 2.18.2 release](https://github.com/google/ExoPlayer/releases/tag/r2.18.2).
* Core library:
* Add `ExoPlayer.isTunnelingEnabled` to check if tunneling is enabled for
the currently selected tracks
([#2518](https://github.com/google/ExoPlayer/issues/2518)).
* Add `WrappingMediaSource` to simplify wrapping a single `MediaSource`
([#7279](https://github.com/google/ExoPlayer/issues/7279)).
* Discard back buffer before playback gets stuck due to insufficient
available memory.
* Close the Tracing "doSomeWork" block when offload is enabled.
* Fix session tracking problem with fast seeks in `PlaybackStatsListener`
([#180](https://github.com/androidx/media/issues/180)).
* Send missing `onMediaItemTransition` callback when calling `seekToNext`
or `seekToPrevious` in a single-item playlist
([#10667](https://github.com/google/ExoPlayer/issues/10667)).
* Add `Player.getSurfaceSize` that returns the size of the surface on
which the video is rendered.
* Fix bug where removing listeners during the player release can cause an
`IllegalStateException`
([#10758](https://github.com/google/ExoPlayer/issues/10758)).
* Add `ExoPlayer.Builder.setPlaybackLooper` that sets a pre-existing
playback thread for a new ExoPlayer instance.
* Build:
* Enforce minimum `compileSdkVersion` to avoid compilation errors
([#10684](https://github.com/google/ExoPlayer/issues/10684)).
* Avoid publishing block when included in another gradle build.
* Track selection:
* Prefer other tracks to Dolby Vision if display does not support it.
([#8944](https://github.com/google/ExoPlayer/issues/8944)).
* Downloads:
* Fix potential infinite loop in `ProgressiveDownloader` caused by
simultaneous download and playback with the same `PriorityTaskManager`
([#10570](https://github.com/google/ExoPlayer/pull/10570)).
* Make download notification appear immediately
([#183](https://github.com/androidx/media/pull/183)).
* Limit parallel download removals to 1 to avoid excessive thread creation
([#10458](https://github.com/google/ExoPlayer/issues/10458)).
* Video:
* Try alternative decoder for Dolby Vision if display does not support it.
([#9794](https://github.com/google/ExoPlayer/issues/9794)).
* Audio:
* Use `SingleThreadExecutor` for releasing `AudioTrack` instances to avoid
OutOfMemory errors when releasing multiple players at the same time
([#10057](https://github.com/google/ExoPlayer/issues/10057)).
* Adds `AudioOffloadListener.onExperimentalOffloadedPlayback` for the
AudioTrack offload state.
([#134](https://github.com/androidx/media/issues/134)).
* Make `AudioTrackBufferSizeProvider` a public interface.
* Add `ExoPlayer.setPreferredAudioDevice` to set the preferred audio
output device ([#135](https://github.com/androidx/media/issues/135)).
* Rename `androidx.media3.exoplayer.audio.AudioProcessor` to
`androidx.media3.common.audio.AudioProcessor`.
* Map 8-channel and 12-channel audio to the 7.1 and 7.1.4 channel masks
respectively on all Android versions
([#10701](https://github.com/google/ExoPlayer/issues/10701)).
* Metadata:
* `MetadataRenderer` can now be configured to render metadata as soon as
they are available. Create an instance with
`MetadataRenderer(MetadataOutput, Looper, MetadataDecoderFactory,
boolean)` to specify whether the renderer will output metadata early or
in sync with the player position.
* DRM:
* Work around a bug in the Android 13 ClearKey implementation that returns
a non-empty but invalid license URL.
* Fix `setMediaDrmSession failed: session not opened` error when switching
between DRM schemes in a playlist (e.g. Widevine to ClearKey).
* Text:
* CEA-608: Ensure service switch commands on field 2 are handled correctly
([#10666](https://github.com/google/ExoPlayer/issues/10666)).
* DASH:
* Parse `EventStream.presentationTimeOffset` from manifests
([#10460](https://github.com/google/ExoPlayer/issues/10460)).
* UI:
* Use current overrides of the player as preset in
`TrackSelectionDialogBuilder`
([#10429](https://github.com/google/ExoPlayer/issues/10429)).
* Session:
* Ensure commands are always executed in the correct order even if some
require asynchronous resolution
([#85](https://github.com/androidx/media/issues/85)).
* Add `DefaultMediaNotificationProvider.Builder` to build
`DefaultMediaNotificationProvider` instances. The builder can configure
the notification ID, the notification channel ID and the notification
channel name used by the provider. Also, add method
`DefaultMediaNotificationProvider.setSmallIcon(int)` to set the
notifications small icon.
([#104](https://github.com/androidx/media/issues/104)).
* Ensure commands sent before `MediaController.release()` are not dropped
([#99](https://github.com/androidx/media/issues/99)).
* `SimpleBitmapLoader` can load bitmap from `file://` URIs
([#108](https://github.com/androidx/media/issues/108)).
* Fix assertion that prevents `MediaController` to seek over an ad in a
period ([#122](https://github.com/androidx/media/issues/122)).
* When playback ends, the `MediaSessionService` is stopped from the
foreground and a notification is shown to restart playback of the last
played media item
([#112](https://github.com/androidx/media/issues/112)).
* Don't start a foreground service with a pending intent for pause
([#167](https://github.com/androidx/media/issues/167)).
* Manually hide the 'badge' associated with the notification created by
`DefaultNotificationProvider` on API 26 and API 27 (the badge is
automatically hidden on API 28+)
([#131](https://github.com/androidx/media/issues/131)).
* Fix bug where a second binder connection from a legacy MediaSession to a
Media3 MediaController causes IllegalStateExceptions
([#49](https://github.com/androidx/media/issues/49)).
* RTSP:
* Add H263 fragmented packet handling
([#119](https://github.com/androidx/media/pull/119)).
* Add support for MP4A-LATM
([#162](https://github.com/androidx/media/pull/162)).
* IMA:
* Add timeout for loading ad information to handle cases where the IMA SDK
gets stuck loading an ad
([#10510](https://github.com/google/ExoPlayer/issues/10510)).
* Prevent skipping mid-roll ads when seeking to the end of the content
([#10685](https://github.com/google/ExoPlayer/issues/10685)).
* Correctly calculate window duration for live streams with server-side
inserted ads, for example IMA DAI
([#10764](https://github.com/google/ExoPlayer/issues/10764)).
* FFmpeg extension:
* Add newly required flags to link FFmpeg libraries with NDK 23.1.7779620
and above ([#9933](https://github.com/google/ExoPlayer/issues/9933)).
* AV1 extension:
* Update CMake version to avoid incompatibilities with the latest Android
Studio releases
([#9933](https://github.com/google/ExoPlayer/issues/9933)).
* Cast extension:
* Implement `getDeviceInfo()` to be able to identify `CastPlayer` when
controlling playback with a `MediaController`
([#142](https://github.com/androidx/media/issues/142)).
* Transformer:
* Add muxer watchdog timer to detect when generating an output sample is
too slow.
* Remove deprecated symbols:
* Remove `Transformer.Builder.setOutputMimeType(String)`. This feature has
been removed. The MIME type will always be MP4 when the default muxer is
used.
### 1.0.0-beta02 (2022-07-21)
This release corresponds to the
[ExoPlayer 2.18.1 release](https://github.com/google/ExoPlayer/releases/tag/r2.18.1).
* Core library:
* Ensure that changing the `ShuffleOrder` with `ExoPlayer.setShuffleOrder`
results in a call to `Player.Listener#onTimelineChanged` with
`reason=Player.TIMELINE_CHANGE_REASON_PLAYLIST_CHANGED`
([#9889](https://github.com/google/ExoPlayer/issues/9889)).
* For progressive media, only include selected tracks in buffered position
([#10361](https://github.com/google/ExoPlayer/issues/10361)).
* Allow custom logger for all ExoPlayer log output
([#9752](https://github.com/google/ExoPlayer/issues/9752)).
* Fix implementation of `setDataSourceFactory` in
`DefaultMediaSourceFactory`, which was non-functional in some cases
([#116](https://github.com/androidx/media/issues/116)).
* Extractors:
* Fix parsing of H265 short term reference picture sets
([#10316](https://github.com/google/ExoPlayer/issues/10316)).
* Fix parsing of bitrates from `esds` boxes
([#10381](https://github.com/google/ExoPlayer/issues/10381)).
* DASH:
* Parse ClearKey license URL from manifests
([#10246](https://github.com/google/ExoPlayer/issues/10246)).
* UI:
* Ensure TalkBack announces the currently active speed option in the
playback controls menu
([#10298](https://github.com/google/ExoPlayer/issues/10298)).
* RTSP:
* Add VP8 fragmented packet handling
([#110](https://github.com/androidx/media/pull/110)).
* Support frames/fragments in VP9
([#115](https://github.com/androidx/media/pull/115)).
* Leanback extension:
* Listen to `playWhenReady` changes in `LeanbackAdapter`
([10420](https://github.com/google/ExoPlayer/issues/10420)).
* Cast:
* Use the `MediaItem` that has been passed to the playlist methods as
`Window.mediaItem` in `CastTimeline`
([#25](https://github.com/androidx/media/issues/25),
[#8212](https://github.com/google/ExoPlayer/issues/8212)).
* Support `Player.getMetadata()` and `Listener.onMediaMetadataChanged()`
with `CastPlayer` ([#25](https://github.com/androidx/media/issues/25)).
### 1.0.0-beta01 (2022-06-16)
This release corresponds to the
[ExoPlayer 2.18.0 release](https://github.com/google/ExoPlayer/releases/tag/r2.18.0).
* Core library:
* Enable support for Android platform diagnostics via
`MediaMetricsManager`. ExoPlayer will forward playback events and
performance data to the platform, which helps to provide system
performance and debugging information on the device. This data may also
be collected by Google
[if sharing usage and diagnostics data is enabled](https://support.google.com/accounts/answer/6078260)
by the user of the device. Apps can opt-out of contributing to platform
diagnostics for ExoPlayer with
`ExoPlayer.Builder.setUsePlatformDiagnostics(false)`.
* Fix bug that tracks are reset too often when using `MergingMediaSource`,
for example when side-loading subtitles and changing the selected
subtitle mid-playback
([#10248](https://github.com/google/ExoPlayer/issues/10248)).
* Stop detecting 5G-NSA network type on API 29 and 30. These playbacks
will assume a 4G network.
* Disallow passing `null` to
`MediaSource.Factory.setDrmSessionManagerProvider` and
`MediaSource.Factory.setLoadErrorHandlingPolicy`. Instances of
`DefaultDrmSessionManagerProvider` and `DefaultLoadErrorHandlingPolicy`
can be passed explicitly if required.
* Add `MediaItem.RequestMetadata` to represent metadata needed to play
media when the exact `LocalConfiguration` is not known. Also remove
`MediaMetadata.mediaUrl` as this is now included in `RequestMetadata`.
* Add `Player.Command.COMMAND_SET_MEDIA_ITEM` to enable players to allow
setting a single item.
* Track selection:
* Flatten `TrackSelectionOverrides` class into `TrackSelectionParameters`,
and promote `TrackSelectionOverride` to a top level class.
* Rename `TracksInfo` to `Tracks` and `TracksInfo.TrackGroupInfo` to
`Tracks.Group`. `Player.getCurrentTracksInfo` and
`Player.Listener.onTracksInfoChanged` have also been renamed to
`Player.getCurrentTracks` and `Player.Listener.onTracksChanged`. This
includes 'un-deprecating' the `Player.Listener.onTracksChanged` method
name, but with different parameter types.
* Change `DefaultTrackSelector.buildUponParameters` and
`DefaultTrackSelector.Parameters.buildUpon` to return
`DefaultTrackSelector.Parameters.Builder` instead of the deprecated
`DefaultTrackSelector.ParametersBuilder`.
* Add
`DefaultTrackSelector.Parameters.constrainAudioChannelCountToDeviceCapabilities`
which is enabled by default. When enabled, the `DefaultTrackSelector`
will prefer audio tracks whose channel count does not exceed the device
output capabilities. On handheld devices, the `DefaultTrackSelector`
will prefer stereo/mono over multichannel audio formats, unless the
multichannel format can be
[Spatialized](https://developer.android.com/reference/android/media/Spatializer)
(Android 12L+) or is a Dolby surround sound format. In addition, on
devices that support audio spatialization, the `DefaultTrackSelector`
will monitor for changes in the
[Spatializer properties](https://developer.android.com/reference/android/media/Spatializer.OnSpatializerStateChangedListener)
and trigger a new track selection upon these. Devices with a
`television`
[UI mode](https://developer.android.com/guide/topics/resources/providing-resources#UiModeQualifier)
are excluded from these constraints and the format with the highest
channel count will be preferred. To enable this feature, the
`DefaultTrackSelector` instance must be constructed with a `Context`.
* Video:
* Rename `DummySurface` to `PlaceholderSurface`.
* Add AV1 support to the `MediaCodecVideoRenderer.getCodecMaxInputSize`.
* Audio:
* Use LG AC3 audio decoder advertising non-standard MIME type.
* Change the return type of `AudioAttributes.getAudioAttributesV21()` from
`android.media.AudioAttributes` to a new `AudioAttributesV21` wrapper
class, to prevent slow ART verification on API < 21.
* Query the platform (API 29+) or assume the audio encoding channel count
for audio passthrough when the format audio channel count is unset,
which occurs with HLS chunkless preparation
([#10204](https://github.com/google/ExoPlayer/issues/10204)).
* Configure `AudioTrack` with channel mask
`AudioFormat.CHANNEL_OUT_7POINT1POINT4` if the decoder outputs 12
channel PCM audio
([#10322](#https://github.com/google/ExoPlayer/pull/10322)).
* DRM
* Ensure the DRM session is always correctly updated when seeking
immediately after a format change
([#10274](https://github.com/google/ExoPlayer/issues/10274)).
* Text:
* Change `Player.getCurrentCues()` to return `CueGroup` instead of
`List<Cue>`.
* SSA: Support `OutlineColour` style setting when `BorderStyle == 3` (i.e.
`OutlineColour` sets the background of the cue)
([#8435](https://github.com/google/ExoPlayer/issues/8435)).
* CEA-708: Parse data into multiple service blocks and ignore blocks not
associated with the currently selected service number.
* Remove `RawCcExtractor`, which was only used to handle a Google-internal
subtitle format.
* Extractors:
* Add support for AVI
([#2092](https://github.com/google/ExoPlayer/issues/2092)).
* Matroska: Parse `DiscardPadding` for Opus tracks.
* MP4: Parse bitrates from `esds` boxes.
* Ogg: Allow duplicate Opus ID and comment headers
([#10038](https://github.com/google/ExoPlayer/issues/10038)).
* UI:
* Fix delivery of events to `OnClickListener`s set on `PlayerView`, in the
case that `useController=false`
([#9605](https://github.com/google/ExoPlayer/issues/9605)). Also fix
delivery of events to `OnLongClickListener` for all view configurations.
* Fix incorrectly treating a sequence of touch events that exit the bounds
of `PlayerView` before `ACTION_UP` as a click
([#9861](https://github.com/google/ExoPlayer/issues/9861)).
* Fix `PlayerView` accessibility issue where tapping might toggle playback
rather than hiding the controls
([#8627](https://github.com/google/ExoPlayer/issues/8627)).
* Rewrite `TrackSelectionView` and `TrackSelectionDialogBuilder` to work
with the `Player` interface rather than `ExoPlayer`. This allows the
views to be used with other `Player` implementations, and removes the
dependency from the UI module to the ExoPlayer module. This is a
breaking change.
* Don't show forced text tracks in the `PlayerView` track selector, and
keep a suitable forced text track selected if "None" is selected
([#9432](https://github.com/google/ExoPlayer/issues/9432)).
* DASH:
* Parse channel count from DTS `AudioChannelConfiguration` elements. This
re-enables audio passthrough for DTS streams
([#10159](https://github.com/google/ExoPlayer/issues/10159)).
* Disallow passing `null` to
`DashMediaSource.Factory.setCompositeSequenceableLoaderFactory`.
Instances of `DefaultCompositeSequenceableLoaderFactory` can be passed
explicitly if required.
* HLS:
* Fallback to chunkful preparation if the playlist CODECS attribute does
not contain the audio codec
([#10065](https://github.com/google/ExoPlayer/issues/10065)).
* Disallow passing `null` to
`HlsMediaSource.Factory.setCompositeSequenceableLoaderFactory`,
`HlsMediaSource.Factory.setPlaylistParserFactory`, and
`HlsMediaSource.Factory.setPlaylistTrackerFactory`. Instances of
`DefaultCompositeSequenceableLoaderFactory`,
`DefaultHlsPlaylistParserFactory`, or a reference to
`DefaultHlsPlaylistTracker.FACTORY` can be passed explicitly if
required.
* Smooth Streaming:
* Disallow passing `null` to
`SsMediaSource.Factory.setCompositeSequenceableLoaderFactory`. Instances
of `DefaultCompositeSequenceableLoaderFactory` can be passed explicitly
if required.
* RTSP:
* Add RTP reader for H263
([#63](https://github.com/androidx/media/pull/63)).
* Add RTP reader for MPEG4
([#35](https://github.com/androidx/media/pull/35)).
* Add RTP reader for HEVC
([#36](https://github.com/androidx/media/pull/36)).
* Add RTP reader for AMR. Currently only mono-channel, non-interleaved AMR
streams are supported. Compound AMR RTP payload is not supported.
([#46](https://github.com/androidx/media/pull/46))
* Add RTP reader for VP8
([#47](https://github.com/androidx/media/pull/47)).
* Add RTP reader for WAV
([#56](https://github.com/androidx/media/pull/56)).
* Fix RTSP basic authorization header.
([#9544](https://github.com/google/ExoPlayer/issues/9544)).
* Stop checking mandatory SDP fields as ExoPlayer doesn't need them
([#10049](https://github.com/google/ExoPlayer/issues/10049)).
* Throw checked exception when parsing RTSP timing
([#10165](https://github.com/google/ExoPlayer/issues/10165)).
* Add RTP reader for VP9
([#47](https://github.com/androidx/media/pull/64)).
* Add RTP reader for OPUS
([#53](https://github.com/androidx/media/pull/53)).
* Session:
* Replace `MediaSession.MediaItemFiller` with
`MediaSession.Callback.onAddMediaItems` to allow asynchronous resolution
of requests.
* Support `setMediaItems(s)` methods when `MediaController` connects to a
legacy media session.
* Remove `MediaController.setMediaUri` and
`MediaSession.Callback.onSetMediaUri`. The same functionality can be
achieved by using `MediaController.setMediaItem` and
`MediaSession.Callback.onAddMediaItems`.
* Forward legacy `MediaController` calls to play media to
`MediaSession.Callback.onAddMediaItems` instead of `onSetMediaUri`.
* Add `MediaNotification.Provider` and `DefaultMediaNotificationProvider`
to provide customization of the notification.
* Add `BitmapLoader` and `SimpleBitmapLoader` for downloading artwork
images.
* Add `MediaSession.setCustomLayout()` to provide backwards compatibility
with the legacy session.
* Add `MediaSession.setSessionExtras()` to provide feature parity with
legacy session.
* Rename `MediaSession.MediaSessionCallback` to `MediaSession.Callback`,
`MediaLibrarySession.MediaLibrarySessionCallback` to
`MediaLibrarySession.Callback` and
`MediaSession.Builder.setSessionCallback` to `setCallback`.
* Fix NPE in `MediaControllerImplLegacy`
([#59](https://github.com/androidx/media/pull/59)).
* Update session position info on timeline
change([#51](https://github.com/androidx/media/issues/51)).
* Fix NPE in `MediaControllerImplBase` after releasing controller
([#74](https://github.com/androidx/media/issues/74)).
* Fix `IndexOutOfBoundsException` when setting less media items than in
the current playlist
([#86](https://github.com/androidx/media/issues/86)).
* Ad playback / IMA:
* Decrease ad polling rate from every 100ms to every 200ms, to line up
with Media Rating Council (MRC) recommendations.
* FFmpeg extension:
* Update CMake version to `3.21.0+` to avoid a CMake bug causing
AndroidStudio's gradle sync to fail
([#9933](https://github.com/google/ExoPlayer/issues/9933)).
* Remove deprecated symbols:
* Remove `Player.Listener.onTracksChanged(TrackGroupArray,
TrackSelectionArray)`. Use `Player.Listener.onTracksChanged(Tracks)`
instead.
* Remove `Player.getCurrentTrackGroups` and
`Player.getCurrentTrackSelections`. Use `Player.getCurrentTracks`
instead. You can also continue to use `ExoPlayer.getCurrentTrackGroups`
and `ExoPlayer.getCurrentTrackSelections`, although these methods remain
deprecated.
* Remove `DownloadHelper`
`DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_VIEWPORT` and
`DEFAULT_TRACK_SELECTOR_PARAMETERS` constants. Use
`getDefaultTrackSelectorParameters(Context)` instead when possible, and
`DEFAULT_TRACK_SELECTOR_PARAMETERS_WITHOUT_CONTEXT` otherwise.
* Remove constructor `DefaultTrackSelector(ExoTrackSelection.Factory)`.
Use `DefaultTrackSelector(Context, ExoTrackSelection.Factory)` instead.
* Remove `Transformer.Builder.setContext`. The `Context` should be passed
to the `Transformer.Builder` constructor instead.
### 1.0.0-alpha03 (2022-03-14)
This release corresponds to the
[ExoPlayer 2.17.1 release](https://github.com/google/ExoPlayer/releases/tag/r2.17.1).
* 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.
### 1.0.0-alpha02 (2022-03-02)
This release corresponds to the
[ExoPlayer 2.17.0 release](https://github.com/google/ExoPlayer/releases/tag/r2.17.0).
* Core Library:
* 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`.
* 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).
* 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)).
* 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:
* WAV: Add support for RF64 streams
([#9543](https://github.com/google/ExoPlayer/issues/9543)).
* 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:
* Add parsed essential and supplemental properties to the `Representation`
([#9579](https://github.com/google/ExoPlayer/issues/9579)).
* 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:
* Correctly populate `Format.label` for audio only HLS streams
([#9608](https://github.com/google/ExoPlayer/issues/9608)).
* 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)).
* 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.
* 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.EventListener`. 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`
### 1.0.0-alpha01
AndroidX Media is the new home for media support libraries, including ExoPlayer.
The first alpha contains early, functional implementations of libraries for
implementing media use cases, including:
* ExoPlayer, an application-level media player for Android that is easy to
customize and extend.
* Media session functionality, for exposing and controlling playbacks. This
new session module uses the same `Player` interface as ExoPlayer.
* UI components for building media playback user interfaces.
* Modules wrapping functionality in other libraries for use with ExoPlayer,
for example, ad insertion via the IMA SDK.
ExoPlayer was previously hosted in a separate
[ExoPlayer GitHub project](https://github.com/google/ExoPlayer). In AndroidX
Media its package name is `androidx.media3.exoplayer`. We plan to continue to
maintain and release the ExoPlayer GitHub project for a while to give apps time
to migrate. AndroidX Media has replacements for all the ExoPlayer modules,
except for the legacy media2 and mediasession extensions, which are together
replaced by the new `media3-session` module. This provides direct integration
between players and media sessions without needing to use an adapter/connector
class.
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