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

Example 1 with SeekPoint

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

the class FlacDecoderJni method getSeekPoints.

/**
 * Maps a seek position in microseconds to the corresponding {@link SeekMap.SeekPoints} in the
 * stream.
 *
 * @param timeUs A seek position in microseconds.
 * @return The corresponding {@link SeekMap.SeekPoints} obtained from the seek table, or {@code
 *     null} if the stream doesn't have a seek table.
 */
@Nullable
public SeekMap.SeekPoints getSeekPoints(long timeUs) {
    long[] seekPoints = new long[4];
    if (!flacGetSeekPoints(nativeDecoderContext, timeUs, seekPoints)) {
        return null;
    }
    SeekPoint firstSeekPoint = new SeekPoint(seekPoints[0], seekPoints[1]);
    SeekPoint secondSeekPoint = seekPoints[2] == seekPoints[0] ? firstSeekPoint : new SeekPoint(seekPoints[2], seekPoints[3]);
    return new SeekMap.SeekPoints(firstSeekPoint, secondSeekPoint);
}

Example 2 with SeekPoint

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

the class WavSeekMap method getSeekPoints.

@Override
public SeekPoints getSeekPoints(long timeUs) {
    // Calculate the containing block index, constraining to valid indices.
    long blockIndex = (timeUs * wavFormat.frameRateHz) / (C.MICROS_PER_SECOND * framesPerBlock);
    blockIndex = Util.constrainValue(blockIndex, 0, blockCount - 1);
    long seekPosition = firstBlockPosition + (blockIndex * wavFormat.blockSize);
    long seekTimeUs = blockIndexToTimeUs(blockIndex);
    SeekPoint seekPoint = new SeekPoint(seekTimeUs, seekPosition);
    if (seekTimeUs >= timeUs || blockIndex == blockCount - 1) {
        return new SeekPoints(seekPoint);
    } else {
        long secondBlockIndex = blockIndex + 1;
        long secondSeekPosition = firstBlockPosition + (secondBlockIndex * wavFormat.blockSize);
        long secondSeekTimeUs = blockIndexToTimeUs(secondBlockIndex);
        SeekPoint secondSeekPoint = new SeekPoint(secondSeekTimeUs, secondSeekPosition);
        return new SeekPoints(seekPoint, secondSeekPoint);
    }
}

Example 3 with SeekPoint

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

the class XingSeekerTest method getSeekPointsAtStartOfStream.

@Test
public void getSeekPointsAtStartOfStream() {
    SeekPoints seekPoints = seeker.getSeekPoints(0);
    SeekPoint seekPoint = seekPoints.first;
    assertThat(seekPoint).isEqualTo(seekPoints.second);
    assertThat(seekPoint.timeUs).isEqualTo(0);
    assertThat(seekPoint.position).isEqualTo(XING_FRAME_POSITION + xingFrameSize);
}

Example 4 with SeekPoint

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

the class XingSeekerTest method getTimeForAllPositions.

@Test
public void getTimeForAllPositions() {
    for (int offset = xingFrameSize; offset < DATA_SIZE_BYTES; offset++) {
        int position = XING_FRAME_POSITION + offset;
        // Test seeker.
        long timeUs = seeker.getTimeUs(position);
        SeekPoints seekPoints = seeker.getSeekPoints(timeUs);
        SeekPoint seekPoint = seekPoints.first;
        assertThat(seekPoint).isEqualTo(seekPoints.second);
        assertThat(seekPoint.position).isEqualTo(position);
        // Test seekerWithInputLength.
        timeUs = seekerWithInputLength.getTimeUs(position);
        seekPoints = seekerWithInputLength.getSeekPoints(timeUs);
        seekPoint = seekPoints.first;
        assertThat(seekPoint).isEqualTo(seekPoints.second);
        assertThat(seekPoint.position).isEqualTo(position);
    }
}

Example 5 with SeekPoint

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

the class XingSeekerTest method getSeekPointsAtEndOfStream.

@Test
public void getSeekPointsAtEndOfStream() {
    SeekPoints seekPoints = seeker.getSeekPoints(STREAM_DURATION_US);
    SeekPoint seekPoint = seekPoints.first;
    assertThat(seekPoint).isEqualTo(seekPoints.second);
    assertThat(seekPoint.timeUs).isEqualTo(STREAM_DURATION_US);
    assertThat(seekPoint.position).isEqualTo(STREAM_LENGTH - 1);
}