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AudioSink buffers should be in LITTLE_ENDIAN

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Some part of the audio pipeline in the DefaultAudioSink
(PCM processors) are expecting little endian buffers.

As a result, in order to behave like MediaCodec,
make sure the passthrough MediaCodec-bypass pipeline
also processes little endian output buffers.

PiperOrigin-RevId: 310172464
This commit is contained in:
krocard 2020-05-06 17:58:05 +01:00 committed by Oliver Woodman
parent 040a88f4f8
commit a2ce75d836
1 changed files with 5 additions and 0 deletions
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5
library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java
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@ -57,6 +57,7 @@ import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.List;
@ -2169,6 +2170,10 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
return false; // The buffer could not be filled, there is nothing more to do.
}
batchBuffer.flip(); // Buffer at least partially full, it can now be processed.
// MediaCodec outputs buffers in native endian:
// https://developer.android.com/reference/android/media/MediaCodec#raw-audio-buffers
// and code called from processOutputBuffer expects this endianness.
batchBuffer.data.order(ByteOrder.nativeOrder());
return true;
}