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Clarify offload stream event callback impl

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#exo-offload

PiperOrigin-RevId: 333532900
This commit is contained in:
krocard 2020-09-24 17:41:22 +01:00 committed by kim-vde
parent 55a13d8871
commit 56cb327f1e
1 changed files with 6 additions and 4 deletions
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10
library/core/src/main/java/com/google/android/exoplayer2/audio/DefaultAudioSink.java
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@ -1707,17 +1707,19 @@ public final class DefaultAudioSink implements AudioSink {
@Override @Override
public void onDataRequest(AudioTrack track, int size) { public void onDataRequest(AudioTrack track, int size) {
Assertions.checkState(track == DefaultAudioSink.this.audioTrack); Assertions.checkState(track == audioTrack);
if (listener != null) { if (listener != null && playing) {
// Do not signal that the buffer is emptying if not playing as it is a transient state.
listener.onOffloadBufferEmptying(); listener.onOffloadBufferEmptying();
} }
} }
@Override @Override
public void onTearDown(@NonNull AudioTrack track) { public void onTearDown(@NonNull AudioTrack track) {
Assertions.checkState(track == audioTrack);
if (listener != null && playing) { if (listener != null && playing) {
// A new Audio Track needs to be created and it's buffer filled, which will be done on the // The audio track was destroyed while in use. Thus a new AudioTrack needs to be created
// next handleBuffer call. // and its buffer filled, which will be done on the next handleBuffer call.
// Request this call explicitly in case ExoPlayer is sleeping waiting for a data request. // Request this call explicitly in case ExoPlayer is sleeping waiting for a data request.
listener.onOffloadBufferEmptying(); listener.onOffloadBufferEmptying();
} }