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Use ForwardingTrackOutput in MidiExtractor

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PiperOrigin-RevId: 702328995
This commit is contained in:
ibaker 2024-12-03 07:12:14 -08:00 committed by Copybara-Service
parent 9a3dc3f03a
commit d72453a6cd
1 changed files with 4 additions and 22 deletions
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26
libraries/decoder_midi/src/main/java/androidx/media3/decoder/midi/MidiExtractor.java
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@ -23,7 +23,6 @@ import static java.lang.annotation.ElementType.TYPE_USE;
import androidx.annotation.IntDef;
import androidx.annotation.Nullable;
import androidx.media3.common.C;
import androidx.media3.common.DataReader;
import androidx.media3.common.Format;
import androidx.media3.common.MimeTypes;
import androidx.media3.common.ParserException;
@ -33,6 +32,7 @@ import androidx.media3.common.util.Util;
import androidx.media3.extractor.Extractor;
import androidx.media3.extractor.ExtractorInput;
import androidx.media3.extractor.ExtractorOutput;
import androidx.media3.extractor.ForwardingTrackOutput;
import androidx.media3.extractor.PositionHolder;
import androidx.media3.extractor.SeekMap;
import androidx.media3.extractor.SeekPoint;
@ -369,29 +369,11 @@ public final class MidiExtractor implements Extractor, SeekMap {
* to the beginning of the MIDI input and output all non Note-On and Note-Off events to the {@link
* MidiDecoder}.
*/
private static final class SingleKeyFrameTrackOutput implements TrackOutput {
private final TrackOutput trackOutput;
private static final class SingleKeyFrameTrackOutput extends ForwardingTrackOutput {
private int outputSampleCount;
private SingleKeyFrameTrackOutput(TrackOutput trackOutput) {
this.trackOutput = trackOutput;
}
@Override
public void format(Format format) {
trackOutput.format(format);
}
@Override
public int sampleData(
DataReader input, int length, boolean allowEndOfInput, @SampleDataPart int sampleDataPart)
throws IOException {
return trackOutput.sampleData(input, length, allowEndOfInput, sampleDataPart);
}
@Override
public void sampleData(ParsableByteArray data, int length, @SampleDataPart int sampleDataPart) {
trackOutput.sampleData(data, length, sampleDataPart);
super(trackOutput);
}
@Override
@ -406,7 +388,7 @@ public final class MidiExtractor implements Extractor, SeekMap {
if (outputSampleCount == 0) {
flags |= C.BUFFER_FLAG_KEY_FRAME;
}
trackOutput.sampleMetadata(timeUs, flags, size, offset, cryptoData);
super.sampleMetadata(timeUs, flags, size, offset, cryptoData);
outputSampleCount++;
}