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Cedric T 2023-09-18 19:15:32 +08:00 committed by Tianyi Feng
parent 24d03b0625
commit 0f200ba5d1
1 changed files with 4 additions and 6 deletions
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libraries/exoplayer/src/main/java/androidx/media3/exoplayer/audio/DefaultAudioTrackBufferSizeProvider.java
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@ -68,9 +68,7 @@ public class DefaultAudioTrackBufferSizeProvider
*/ */
private static final int DTSHD_BUFFER_MULTIPLICATION_FACTOR = 4; private static final int DTSHD_BUFFER_MULTIPLICATION_FACTOR = 4;
/** /** A builder to create {@link DefaultAudioTrackBufferSizeProvider} instances. */
* A builder to create {@link DefaultAudioTrackBufferSizeProvider} instances.
*/
public static class Builder { public static class Builder {
@ -156,7 +154,7 @@ public class DefaultAudioTrackBufferSizeProvider
/** /**
* Sets the multiplication factor to apply to the passthrough buffer for DTS-HD (DTS Express) * Sets the multiplication factor to apply to the passthrough buffer for DTS-HD (DTS Express)
* to avoid underruns on some devices (e.g., Xiaomi A2 TV). Default is * to avoid underruns on some devices (e.g., Xiaomi A2 TV). Default is
* {@value #DTSHD_BUFFER_MULTIPLICATION_FACTOR}. * {@link #DTSHD_BUFFER_MULTIPLICATION_FACTOR}.
*/ */
@CanIgnoreReturnValue @CanIgnoreReturnValue
public Builder setDtshdBufferMultiplicationFactor(int dtshdBufferMultiplicationFactor) { public Builder setDtshdBufferMultiplicationFactor(int dtshdBufferMultiplicationFactor) {
@ -259,8 +257,8 @@ public class DefaultAudioTrackBufferSizeProvider
if (encoding == C.ENCODING_AC3) { if (encoding == C.ENCODING_AC3) {
bufferSizeUs *= ac3BufferMultiplicationFactor; bufferSizeUs *= ac3BufferMultiplicationFactor;
} else if (encoding == C.ENCODING_DTS_HD) { } else if (encoding == C.ENCODING_DTS_HD) {
// DTSHD (DTS Express) for streaming uses a frame size (number of audio samples per channel // DTS-HD (DTS Express) for streaming uses a frame size (number of audio samples per channel
// per frame of 4096. This requires a higher multiple for the buffersize computation. // per frame) of 4096. This requires a higher multiple for the buffersize computation.
// Otherwise, there will be buffer underflow during DASH playback. // Otherwise, there will be buffer underflow during DASH playback.
bufferSizeUs *= dtshdBufferMultiplicationFactor; bufferSizeUs *= dtshdBufferMultiplicationFactor;
} }