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Fix stuck ad playbacks with DRM-protected content
When ClippingMediaPeriod first tried to read a buffer, if its end position was before the end of the stream and it was buffered to its end position, it would sometimes erroneously signal end-of-stream for protected content because the sample queue might be waiting for DRM keys at this point. Work around the issue temporarily by signaling this specific case back to ClippingMediaPeriod via the DecoderInputBuffer. There will likely be a cleaner fix as a result of adding support for dynamic clip end points in the future, at which point this can be reverted. issue:#7188 PiperOrigin-RevId: 305081757
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andrewlewis
Oliver Woodman
parent
1f544b0856
commit
dc813eca41
@ -112,9 +112,10 @@
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### 2.11.4 (2020-04-08) ###
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* Add `SimpleExoPlayer.setWakeMode` to allow automatic `WifiLock` and `WakeLock`
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handling ([#6914](https://github.com/google/ExoPlayer/issues/6914)). To use
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this feature, you must add the
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* Add `SimpleExoPlayer.setWakeMode` to allow automatic `WifiLock` and
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`WakeLock` handling
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([#6914](https://github.com/google/ExoPlayer/issues/6914)). To use this
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feature, you must add the
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[WAKE_LOCK](https://developer.android.com/reference/android/Manifest.permission.html#WAKE_LOCK)
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permission to your application's manifest file.
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* Text:
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@ -124,20 +125,22 @@
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* Allow missing hours and milliseconds in SubRip (.srt) timecodes
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([#7122](https://github.com/google/ExoPlayer/issues/7122)).
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* Audio:
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* Workaround issue that could cause slower than realtime playback of AAC on
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Android 10 ([#6671](https://github.com/google/ExoPlayer/issues/6671).
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* Enable playback speed adjustment and silence skipping for floating point PCM
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audio, via resampling to 16-bit integer PCM. To output the original floating
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point audio without adjustment, pass `enableFloatOutput=true` to the
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`DefaultAudioSink` constructor
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* Workaround issue that could cause slower than realtime playback of AAC
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on Android 10 ([#6671](https://github.com/google/ExoPlayer/issues/6671).
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* Enable playback speed adjustment and silence skipping for floating point
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PCM audio, via resampling to 16-bit integer PCM. To output the original
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floating point audio without adjustment, pass `enableFloatOutput=true`
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to the `DefaultAudioSink` constructor
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([#7134](https://github.com/google/ExoPlayer/issues/7134)).
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* Fix playback of WAV files with trailing non-media bytes
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([#7129](https://github.com/google/ExoPlayer/issues/7129)).
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* Fix playback of ADTS files with mid-stream ID3 metadata.
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* DRM:
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* Fix playback of Widevine protected content that only provides V1 PSSH atoms
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on API levels 21 and 22.
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* Fix playback of Widevine protected content that only provides V1 PSSH
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atoms on API levels 21 and 22.
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* Fix playback of PlayReady content on Fire TV Stick (Gen 2).
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* Fix stuck ad playbacks with DRM protected content
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([#7188](https://github.com/google/ExoPlayer/issues/7188)).
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* DASH:
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* Update the manifest URI to avoid repeated HTTP redirects
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([#6907](https://github.com/google/ExoPlayer/issues/6907)).
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@ -164,26 +167,26 @@
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* Add Java FLAC extractor
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([#6406](https://github.com/google/ExoPlayer/issues/6406)).
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* Startup latency optimization:
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* Reduce startup latency for DASH and SmoothStreaming playbacks by allowing
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codec initialization to occur before the network connection for the first
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media segment has been established.
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* Reduce startup latency for DASH and SmoothStreaming playbacks by
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allowing codec initialization to occur before the network connection for
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the first media segment has been established.
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* Reduce startup latency for on-demand DASH playbacks by allowing codec
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initialization to occur before the sidx box has been loaded.
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* Downloads:
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* Fix download resumption when the requirements for them to continue are
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met ([#6733](https://github.com/google/ExoPlayer/issues/6733),
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[#6798](https://github.com/google/ExoPlayer/issues/6798)).
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* Fix `DownloadHelper.createMediaSource` to use `customCacheKey` when creating
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`ProgressiveMediaSource` instances.
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* DRM: Fix `NullPointerException` when playing DRM-protected content
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* Fix `DownloadHelper.createMediaSource` to use `customCacheKey` when
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creating `ProgressiveMediaSource` instances.
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* DRM: Fix `NullPointerException` when playing DRM protected content
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([#6951](https://github.com/google/ExoPlayer/issues/6951)).
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* Metadata:
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* Update `IcyDecoder` to try ISO-8859-1 decoding if UTF-8 decoding fails.
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Also change `IcyInfo.rawMetadata` from `String` to `byte[]` to allow
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developers to handle data that's neither UTF-8 nor ISO-8859-1
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([#6753](https://github.com/google/ExoPlayer/issues/6753)).
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* Select multiple metadata tracks if multiple metadata renderers are available
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([#6676](https://github.com/google/ExoPlayer/issues/6676)).
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* Select multiple metadata tracks if multiple metadata renderers are
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available ([#6676](https://github.com/google/ExoPlayer/issues/6676)).
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* Add support for ID3 genres added in Wimamp 5.6 (2010).
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* UI:
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* Show ad group markers in `DefaultTimeBar` even if they are after the end
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@ -207,13 +210,13 @@
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([#6845](https://github.com/google/ExoPlayer/issues/6845)).
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* Fix MKV subtitles to disappear when intended instead of lasting until the
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next cue ([#6833](https://github.com/google/ExoPlayer/issues/6833)).
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* OkHttp extension: Upgrade OkHttp dependency to 3.12.8, which fixes a class of
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`SocketTimeoutException` issues when using HTTP/2
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* OkHttp extension: Upgrade OkHttp dependency to 3.12.8, which fixes a class
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of `SocketTimeoutException` issues when using HTTP/2
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([#4078](https://github.com/google/ExoPlayer/issues/4078)).
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* FLAC extension: Fix handling of bit depths other than 16 in `FLACDecoder`.
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This issue caused FLAC streams with other bit depths to sound like white noise
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on earlier releases, but only when embedded in a non-FLAC container such as
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Matroska or MP4.
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This issue caused FLAC streams with other bit depths to sound like white
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noise on earlier releases, but only when embedded in a non-FLAC container
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such as Matroska or MP4.
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* Demo apps: Add
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[GL demo app](https://github.com/google/ExoPlayer/tree/dev-v2/demos/gl) to
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show how to render video to a `GLSurfaceView` while applying a GL shader.
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@ -63,6 +63,14 @@ public class DecoderInputBuffer extends Buffer {
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/** The buffer's data, or {@code null} if no data has been set. */
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@Nullable public ByteBuffer data;
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// TODO: Remove this temporary signaling once end-of-stream propagation for clips using content
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// protection is fixed. See [Internal: b/153326944] for details.
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/**
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* Whether the last attempt to read a sample into this buffer failed due to not yet having the DRM
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* keys associated with the next sample.
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*/
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public boolean waitingForKeys;
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/**
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* The time at which the sample should be presented.
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*/
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@ -183,6 +191,7 @@ public class DecoderInputBuffer extends Buffer {
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if (supplementalData != null) {
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supplementalData.clear();
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}
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waitingForKeys = false;
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}
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private ByteBuffer createReplacementByteBuffer(int requiredCapacity) {
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@ -329,7 +329,8 @@ public final class ClippingMediaPeriod implements MediaPeriod, MediaPeriod.Callb
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if (endUs != C.TIME_END_OF_SOURCE
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&& ((result == C.RESULT_BUFFER_READ && buffer.timeUs >= endUs)
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|| (result == C.RESULT_NOTHING_READ
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&& getBufferedPositionUs() == C.TIME_END_OF_SOURCE))) {
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&& getBufferedPositionUs() == C.TIME_END_OF_SOURCE
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&& !buffer.waitingForKeys))) {
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buffer.clear();
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buffer.setFlags(C.BUFFER_FLAG_END_OF_STREAM);
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sentEos = true;
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@ -554,7 +554,7 @@ public class SampleQueue implements TrackOutput {
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boolean loadingFinished,
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long decodeOnlyUntilUs,
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SampleExtrasHolder extrasHolder) {
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buffer.waitingForKeys = false;
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// This is a temporary fix for https://github.com/google/ExoPlayer/issues/6155.
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// TODO: Remove it and replace it with a fix that discards samples when writing to the queue.
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boolean hasNextSample;
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@ -588,6 +588,7 @@ public class SampleQueue implements TrackOutput {
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}
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if (!mayReadSample(relativeReadIndex)) {
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buffer.waitingForKeys = true;
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return C.RESULT_NOTHING_READ;
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}
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@ -368,8 +368,10 @@ public final class SampleQueueTest {
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assertReadFormat(/* formatRequired= */ false, FORMAT_ENCRYPTED);
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assertReadNothing(/* formatRequired= */ false);
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assertThat(inputBuffer.waitingForKeys).isTrue();
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when(mockDrmSession.getState()).thenReturn(DrmSession.STATE_OPENED_WITH_KEYS);
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assertReadEncryptedSample(/* sampleIndex= */ 0);
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assertThat(inputBuffer.waitingForKeys).isFalse();
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}
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@Test
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