Rabbit-R1/android (non root)/java/sources/androidx/media3/exoplayer/audio/TrimmingAudioProcessor.java
2024-05-21 17:08:36 -04:00

113 lines
4.3 KiB
Java

package androidx.media3.exoplayer.audio;
import androidx.media3.common.audio.AudioProcessor;
import androidx.media3.common.util.Util;
import java.nio.ByteBuffer;
/* loaded from: classes2.dex */
final class TrimmingAudioProcessor extends androidx.media3.common.audio.BaseAudioProcessor {
private static final int OUTPUT_ENCODING = 2;
private byte[] endBuffer = Util.EMPTY_BYTE_ARRAY;
private int endBufferSize;
private int pendingTrimStartBytes;
private boolean reconfigurationPending;
private int trimEndFrames;
private int trimStartFrames;
private long trimmedFrameCount;
public long getTrimmedFrameCount() {
return this.trimmedFrameCount;
}
public void resetTrimmedFrameCount() {
this.trimmedFrameCount = 0L;
}
public void setTrimFrameCount(int i, int i2) {
this.trimStartFrames = i;
this.trimEndFrames = i2;
}
@Override // androidx.media3.common.audio.BaseAudioProcessor
public AudioProcessor.AudioFormat onConfigure(AudioProcessor.AudioFormat audioFormat) throws AudioProcessor.UnhandledAudioFormatException {
if (audioFormat.encoding != 2) {
throw new AudioProcessor.UnhandledAudioFormatException(audioFormat);
}
this.reconfigurationPending = true;
return (this.trimStartFrames == 0 && this.trimEndFrames == 0) ? AudioProcessor.AudioFormat.NOT_SET : audioFormat;
}
@Override // androidx.media3.common.audio.AudioProcessor
public void queueInput(ByteBuffer byteBuffer) {
int position = byteBuffer.position();
int limit = byteBuffer.limit();
int i = limit - position;
if (i == 0) {
return;
}
int min = Math.min(i, this.pendingTrimStartBytes);
this.trimmedFrameCount += min / this.inputAudioFormat.bytesPerFrame;
this.pendingTrimStartBytes -= min;
byteBuffer.position(position + min);
if (this.pendingTrimStartBytes > 0) {
return;
}
int i2 = i - min;
int length = (this.endBufferSize + i2) - this.endBuffer.length;
ByteBuffer replaceOutputBuffer = replaceOutputBuffer(length);
int constrainValue = Util.constrainValue(length, 0, this.endBufferSize);
replaceOutputBuffer.put(this.endBuffer, 0, constrainValue);
int constrainValue2 = Util.constrainValue(length - constrainValue, 0, i2);
byteBuffer.limit(byteBuffer.position() + constrainValue2);
replaceOutputBuffer.put(byteBuffer);
byteBuffer.limit(limit);
int i3 = i2 - constrainValue2;
int i4 = this.endBufferSize - constrainValue;
this.endBufferSize = i4;
byte[] bArr = this.endBuffer;
System.arraycopy(bArr, constrainValue, bArr, 0, i4);
byteBuffer.get(this.endBuffer, this.endBufferSize, i3);
this.endBufferSize += i3;
replaceOutputBuffer.flip();
}
@Override // androidx.media3.common.audio.BaseAudioProcessor, androidx.media3.common.audio.AudioProcessor
public ByteBuffer getOutput() {
int i;
if (super.isEnded() && (i = this.endBufferSize) > 0) {
replaceOutputBuffer(i).put(this.endBuffer, 0, this.endBufferSize).flip();
this.endBufferSize = 0;
}
return super.getOutput();
}
@Override // androidx.media3.common.audio.BaseAudioProcessor, androidx.media3.common.audio.AudioProcessor
public boolean isEnded() {
return super.isEnded() && this.endBufferSize == 0;
}
@Override // androidx.media3.common.audio.BaseAudioProcessor
protected void onQueueEndOfStream() {
if (this.reconfigurationPending) {
if (this.endBufferSize > 0) {
this.trimmedFrameCount += r0 / this.inputAudioFormat.bytesPerFrame;
}
this.endBufferSize = 0;
}
}
@Override // androidx.media3.common.audio.BaseAudioProcessor
protected void onFlush() {
if (this.reconfigurationPending) {
this.reconfigurationPending = false;
this.endBuffer = new byte[this.trimEndFrames * this.inputAudioFormat.bytesPerFrame];
this.pendingTrimStartBytes = this.trimStartFrames * this.inputAudioFormat.bytesPerFrame;
}
this.endBufferSize = 0;
}
@Override // androidx.media3.common.audio.BaseAudioProcessor
protected void onReset() {
this.endBuffer = Util.EMPTY_BYTE_ARRAY;
}
}