Examples with SeekMap androidx.media3.extractor.SeekMap used on opensource projects

Example 6 with SeekMap

use of androidx.media3.extractor.SeekMap in project ExoPlayer by google.

the class PsExtractorSeekTest method handlePendingSeek_handlesRandomSeeks_extractsCorrectFrame.

@Test
public void handlePendingSeek_handlesRandomSeeks_extractsCorrectFrame() throws IOException {
    PsExtractor extractor = new PsExtractor();
    FakeExtractorOutput extractorOutput = new FakeExtractorOutput();
    SeekMap seekMap = extractSeekMapAndTracks(extractor, extractorOutput);
    FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(VIDEO_TRACK_ID);
    long numSeek = 100;
    for (long i = 0; i < numSeek; i++) {
        long targetSeekTimeUs = random.nextInt(DURATION_US + 1);
        int extractedFrameIndex = seekToTimeUs(extractor, seekMap, targetSeekTimeUs, trackOutput);
        assertThat(extractedFrameIndex).isNotEqualTo(-1);
        assertFirstFrameAfterSeekContainsTargetSeekTime(trackOutput, targetSeekTimeUs, extractedFrameIndex);
    }
}

Example 7 with SeekMap

use of androidx.media3.extractor.SeekMap in project ExoPlayer by google.

the class PsExtractorSeekTest method handlePendingSeek_handlesSeekingToPositionInFile_extractsCorrectFrame.

@Test
public void handlePendingSeek_handlesSeekingToPositionInFile_extractsCorrectFrame() throws IOException {
    PsExtractor extractor = new PsExtractor();
    FakeExtractorOutput extractorOutput = new FakeExtractorOutput();
    SeekMap seekMap = extractSeekMapAndTracks(extractor, extractorOutput);
    FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(VIDEO_TRACK_ID);
    long targetSeekTimeUs = 987_000;
    int extractedFrameIndex = seekToTimeUs(extractor, seekMap, targetSeekTimeUs, trackOutput);
    assertThat(extractedFrameIndex).isNotEqualTo(-1);
    assertFirstFrameAfterSeekContainsTargetSeekTime(trackOutput, targetSeekTimeUs, extractedFrameIndex);
}

Example 8 with SeekMap

use of androidx.media3.extractor.SeekMap in project ExoPlayer by google.

the class PsExtractorSeekTest method seekToTimeUs.

/**
 * Seeks to the given seek time and keeps reading from input until we can extract at least one
 * frame from the seek position, or until end-of-input is reached.
 *
 * @return The index of the first extracted frame written to the given {@code trackOutput} after
 *     the seek is completed, or -1 if the seek is completed without any extracted frame.
 */
private int seekToTimeUs(PsExtractor psExtractor, SeekMap seekMap, long seekTimeUs, FakeTrackOutput trackOutput) throws IOException {
    int numSampleBeforeSeek = trackOutput.getSampleCount();
    SeekMap.SeekPoints seekPoints = seekMap.getSeekPoints(seekTimeUs);
    long initialSeekLoadPosition = seekPoints.first.position;
    psExtractor.seek(initialSeekLoadPosition, seekTimeUs);
    positionHolder.position = C.POSITION_UNSET;
    ExtractorInput extractorInput = getExtractorInputFromPosition(initialSeekLoadPosition);
    int extractorReadResult = Extractor.RESULT_CONTINUE;
    while (true) {
        try {
            // Keep reading until we can read at least one frame after seek
            while (extractorReadResult == Extractor.RESULT_CONTINUE && trackOutput.getSampleCount() == numSampleBeforeSeek) {
                extractorReadResult = psExtractor.read(extractorInput, positionHolder);
            }
        } finally {
            DataSourceUtil.closeQuietly(dataSource);
        }
        if (extractorReadResult == Extractor.RESULT_SEEK) {
            extractorInput = getExtractorInputFromPosition(positionHolder.position);
            extractorReadResult = Extractor.RESULT_CONTINUE;
        } else if (extractorReadResult == Extractor.RESULT_END_OF_INPUT) {
            return -1;
        } else if (trackOutput.getSampleCount() > numSampleBeforeSeek) {
            // First index after seek = num sample before seek.
            return numSampleBeforeSeek;
        }
    }
}

Example 9 with SeekMap

use of androidx.media3.extractor.SeekMap in project ExoPlayer by google.

the class TsExtractorSeekTest method tsExtractorReads_nonSeekTableFile_returnSeekableSeekMap.

@Test
public void tsExtractorReads_nonSeekTableFile_returnSeekableSeekMap() throws IOException {
    Uri fileUri = TestUtil.buildAssetUri(TEST_FILE);
    TsExtractor extractor = new TsExtractor();
    SeekMap seekMap = TestUtil.extractSeekMap(extractor, new FakeExtractorOutput(), dataSource, fileUri);
    assertThat(seekMap).isNotNull();
    assertThat(seekMap.getDurationUs()).isEqualTo(DURATION_US);
    assertThat(seekMap.isSeekable()).isTrue();
}

Example 10 with SeekMap

use of androidx.media3.extractor.SeekMap in project ExoPlayer by google.

the class AdtsExtractorSeekTest method seeking_handlesSeekingForward_extractsCorrectSamples.

@Test
public void seeking_handlesSeekingForward_extractsCorrectSamples() throws IOException {
    String fileName = TEST_FILE;
    Uri fileUri = TestUtil.buildAssetUri(fileName);
    expectedTrackOutput = TestUtil.extractAllSamplesFromFile(createAdtsExtractor(), ApplicationProvider.getApplicationContext(), fileName).trackOutputs.get(0);
    AdtsExtractor extractor = createAdtsExtractor();
    FakeExtractorOutput extractorOutput = new FakeExtractorOutput();
    SeekMap seekMap = TestUtil.extractSeekMap(extractor, extractorOutput, dataSource, fileUri);
    FakeTrackOutput trackOutput = extractorOutput.trackOutputs.get(0);
    long firstSeekTimeUs = 980_000;
    TestUtil.seekToTimeUs(extractor, seekMap, firstSeekTimeUs, dataSource, trackOutput, fileUri);
    long targetSeekTimeUs = 1_200_000;
    int extractedSampleIndex = TestUtil.seekToTimeUs(extractor, seekMap, targetSeekTimeUs, dataSource, trackOutput, fileUri);
    assertThat(extractedSampleIndex).isNotEqualTo(-1);
    assertFirstSampleAfterSeekContainTargetSeekTime(trackOutput, targetSeekTimeUs, extractedSampleIndex);
}