A problem was discovered in Composition demo app where after playing a composition using CompositionPlayer, pressing the "play" button again would not restart the playback. This issue has been resolved, just adding a test to make sure we're not missing any regressions.
PiperOrigin-RevId: 735793488
In certain bluetooth playback scenarios, it was found that the delta of audio duration written by the AudioSink from the current playback position was greater than the size of the audio track buffer, causing underruns.
The solution is to utilize the audio track buffer size as an upper limit for an audio renderer's getDurationToProgress.
PiperOrigin-RevId: 735761604
Before this CL:
- MediaCodecVideoRenderer.onProcessedStreamChanged was called for the
first stream in CompositionPlayer.
- MediaCodecVideoRenderer.onProcessedStreamChanged was NOT called for
the first stream in ExoPlayer.setVideoEffects.
This discrepancy was adding some complexity to the code, making it less robust.
PiperOrigin-RevId: 735439320
This improves consistency by grouping it with other test builders and resolves a missing build rule, ensuring developers can properly use it for testing.
PiperOrigin-RevId: 735396181
This is a step towards merging setStreamStartPositionUs with
onInputStreamChanged, which makes sense as the start position can only
change on stream change.
PiperOrigin-RevId: 735309009
This is a step towards unifying ShadowMediaCodecConfig for ExoPlayer and Transcoding tests.
The buffer size for ExoPlayer's CodecConfig is set to 150_000. This is because some test media has samples larger than 100kB. We can increase the buffer size for Transcoding-related codec configurations.
PiperOrigin-RevId: 734297632
When `forceTransformerToFail` is set to true, the builder will use a `FailingMuxerFactory` which creates a `FailingMuxer` that throws a `MuxerException` when attempting to write sample data. This ensures Transformer will fail as muxers are used for all cases (transmuxing and transcoding).
PiperOrigin-RevId: 734281681
This is a step towards unifying ShadowMediaCodecConfig for ExoPlayer and Transcoding tests.
This change includes extracting encoder/decoder configurtion logic to a static method that can be called by `ShadowMediaCodecConfig.CodecImpl#configure()` and `TestUtil#addCodec()`.
This is a non-functional refactor.
PiperOrigin-RevId: 734137675
The gap item earlier meant audio gap.
Now the gap item will be filled with audio, video
or both based upon what all tracks are present in the
Sequence.
If the very first item is a gap then it is filled with
audio only. Support for video gap at start will be added in
a follow up CL.
If the first item is a gap then `forceAudioTrack`
is set to true.
PiperOrigin-RevId: 733422557
This change exposes a flag in `DefaultAudioMixer#Factory` to set whether
to upmix/downmix using constant power or constant gain mixing matrices.
This is a non-functional change.
PiperOrigin-RevId: 733339367
This change introduces `GainProcessor` to apply gain automation over an
audio stream. The gain automation is defined with a `GainProvider`.
`DefaultGainProvider` implements a basic `GainProvider` that allows
populating a gain automation line additively by adding fade shapes
(`FadeProvider`) at specific positions with specific durations.
`DefaultGainProvider` also implements basic equal gain and equal power
fades.
The current `DefaultGainProvider` implementation does not support adding
fades at relative offsets from the stream end. Users must know the
stream duration in advance and add fades at absolute positions.
PiperOrigin-RevId: 733311314
This method didn't have any effect because onEnabled, which also sets
the firstFrameState, should always be the next method being called.
PiperOrigin-RevId: 732846722
If an sequence has both audio and video tracks running but then
the next media item has only audio, then insert blank frames to
continue video track.
PiperOrigin-RevId: 730828269
This includes creating a new Factory for `MetricsReporter` and adding it to Transformer. This is done as we need to create a new `MetricsReporter` for each export operation, so it makes sense to have a Factory.
PiperOrigin-RevId: 727798528
When possible, make it the caller's responsibility to release the
GlObjectsProvider. It's good practice that the class creating an object
also releases it. It avoids releasing the same object (here, the
GlObjectsProvider) multiple times, which was causing
DefaultVideoCompositorPixelTest to fail.
PiperOrigin-RevId: 725983417
This ensures that when the input sample rate handled by the encoder differs from the output of the AudioGraph, that output audio will not be broken.
PiperOrigin-RevId: 725610384
The change includes adding a `MetricsReporter` interface with a default implementation to allow testing the `EditingMetricsCollector`.
PiperOrigin-RevId: 725607330
