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

Example 21 with SeekPoint

use of androidx.media3.extractor.SeekPoint in project Telegram-FOSS by Telegram-FOSS-Team.

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 22 with SeekPoint

use of androidx.media3.extractor.SeekPoint in project media by androidx.

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 23 with SeekPoint

use of androidx.media3.extractor.SeekPoint in project media by androidx.

the class Mp4Extractor method getSeekPoints.

@Override
public SeekPoints getSeekPoints(long timeUs) {
    if (checkNotNull(tracks).length == 0) {
        return new SeekPoints(SeekPoint.START);
    }
    long firstTimeUs;
    long firstOffset;
    long secondTimeUs = C.TIME_UNSET;
    long secondOffset = C.POSITION_UNSET;
    // If we have a video track, use it to establish one or two seek points.
    if (firstVideoTrackIndex != C.INDEX_UNSET) {
        TrackSampleTable sampleTable = tracks[firstVideoTrackIndex].sampleTable;
        int sampleIndex = getSynchronizationSampleIndex(sampleTable, timeUs);
        if (sampleIndex == C.INDEX_UNSET) {
            return new SeekPoints(SeekPoint.START);
        }
        long sampleTimeUs = sampleTable.timestampsUs[sampleIndex];
        firstTimeUs = sampleTimeUs;
        firstOffset = sampleTable.offsets[sampleIndex];
        if (sampleTimeUs < timeUs && sampleIndex < sampleTable.sampleCount - 1) {
            int secondSampleIndex = sampleTable.getIndexOfLaterOrEqualSynchronizationSample(timeUs);
            if (secondSampleIndex != C.INDEX_UNSET && secondSampleIndex != sampleIndex) {
                secondTimeUs = sampleTable.timestampsUs[secondSampleIndex];
                secondOffset = sampleTable.offsets[secondSampleIndex];
            }
        }
    } else {
        firstTimeUs = timeUs;
        firstOffset = Long.MAX_VALUE;
    }
    // Take into account other tracks.
    for (int i = 0; i < tracks.length; i++) {
        if (i != firstVideoTrackIndex) {
            TrackSampleTable sampleTable = tracks[i].sampleTable;
            firstOffset = maybeAdjustSeekOffset(sampleTable, firstTimeUs, firstOffset);
            if (secondTimeUs != C.TIME_UNSET) {
                secondOffset = maybeAdjustSeekOffset(sampleTable, secondTimeUs, secondOffset);
            }
        }
    }
    SeekPoint firstSeekPoint = new SeekPoint(firstTimeUs, firstOffset);
    if (secondTimeUs == C.TIME_UNSET) {
        return new SeekPoints(firstSeekPoint);
    } else {
        SeekPoint secondSeekPoint = new SeekPoint(secondTimeUs, secondOffset);
        return new SeekPoints(firstSeekPoint, secondSeekPoint);
    }
}

Example 24 with SeekPoint

use of androidx.media3.extractor.SeekPoint in project media by androidx.

the class IndexSeeker method getSeekPoints.

@Override
public SeekPoints getSeekPoints(long timeUs) {
    int targetIndex = Util.binarySearchFloor(timesUs, timeUs, /* inclusive= */
    true, /* stayInBounds= */
    true);
    SeekPoint seekPoint = new SeekPoint(timesUs.get(targetIndex), positions.get(targetIndex));
    if (seekPoint.timeUs == timeUs || targetIndex == timesUs.size() - 1) {
        return new SeekPoints(seekPoint);
    } else {
        SeekPoint nextSeekPoint = new SeekPoint(timesUs.get(targetIndex + 1), positions.get(targetIndex + 1));
        return new SeekPoints(seekPoint, nextSeekPoint);
    }
}

Example 25 with SeekPoint

use of androidx.media3.extractor.SeekPoint in project media by androidx.

the class MlltSeeker method getSeekPoints.

@Override
public SeekPoints getSeekPoints(long timeUs) {
    timeUs = Util.constrainValue(timeUs, 0, durationUs);
    Pair<Long, Long> timeMsAndPosition = linearlyInterpolate(Util.usToMs(timeUs), referenceTimesMs, referencePositions);
    timeUs = Util.msToUs(timeMsAndPosition.first);
    long position = timeMsAndPosition.second;
    return new SeekPoints(new SeekPoint(timeUs, position));
}