Examples with ContainerMediaChunk com.google.android.exoplayer2.source.chunk.ContainerMediaChunk used on opensource projects

Example 1 with ContainerMediaChunk

use of com.google.android.exoplayer2.source.chunk.ContainerMediaChunk in project ExoPlayer by google.

the class DefaultDashChunkSource method newMediaChunk.

private static Chunk newMediaChunk(RepresentationHolder representationHolder, DataSource dataSource, Format trackFormat, int trackSelectionReason, Object trackSelectionData, int firstSegmentNum, int maxSegmentCount) {
    Representation representation = representationHolder.representation;
    long startTimeUs = representationHolder.getSegmentStartTimeUs(firstSegmentNum);
    RangedUri segmentUri = representationHolder.getSegmentUrl(firstSegmentNum);
    String baseUrl = representation.baseUrl;
    if (representationHolder.extractorWrapper == null) {
        long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum);
        DataSpec dataSpec = new DataSpec(segmentUri.resolveUri(baseUrl), segmentUri.start, segmentUri.length, representation.getCacheKey());
        return new SingleSampleMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, firstSegmentNum, representationHolder.trackType, trackFormat);
    } else {
        int segmentCount = 1;
        for (int i = 1; i < maxSegmentCount; i++) {
            RangedUri nextSegmentUri = representationHolder.getSegmentUrl(firstSegmentNum + i);
            RangedUri mergedSegmentUri = segmentUri.attemptMerge(nextSegmentUri, baseUrl);
            if (mergedSegmentUri == null) {
                // Unable to merge segment fetches because the URIs do not merge.
                break;
            }
            segmentUri = mergedSegmentUri;
            segmentCount++;
        }
        long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum + segmentCount - 1);
        DataSpec dataSpec = new DataSpec(segmentUri.resolveUri(baseUrl), segmentUri.start, segmentUri.length, representation.getCacheKey());
        long sampleOffsetUs = -representation.presentationTimeOffsetUs;
        return new ContainerMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, firstSegmentNum, segmentCount, sampleOffsetUs, representationHolder.extractorWrapper);
    }
}

Example 2 with ContainerMediaChunk

use of com.google.android.exoplayer2.source.chunk.ContainerMediaChunk in project ExoPlayer by google.

the class DefaultSsChunkSource method newMediaChunk.

// Private methods.
private static MediaChunk newMediaChunk(Format format, DataSource dataSource, Uri uri, int chunkIndex, long chunkStartTimeUs, long chunkEndTimeUs, long chunkSeekTimeUs, @C.SelectionReason int trackSelectionReason, @Nullable Object trackSelectionData, ChunkExtractor chunkExtractor) {
    DataSpec dataSpec = new DataSpec(uri);
    // In SmoothStreaming each chunk contains sample timestamps relative to the start of the chunk.
    // To convert them the absolute timestamps, we need to set sampleOffsetUs to chunkStartTimeUs.
    long sampleOffsetUs = chunkStartTimeUs;
    return new ContainerMediaChunk(dataSource, dataSpec, format, trackSelectionReason, trackSelectionData, chunkStartTimeUs, chunkEndTimeUs, chunkSeekTimeUs, /* clippedEndTimeUs= */
    C.TIME_UNSET, chunkIndex, /* chunkCount= */
    1, sampleOffsetUs, chunkExtractor);
}

Example 3 with ContainerMediaChunk

use of com.google.android.exoplayer2.source.chunk.ContainerMediaChunk in project ExoPlayer by google.

the class DefaultDashChunkSource method newMediaChunk.

protected Chunk newMediaChunk(RepresentationHolder representationHolder, DataSource dataSource, @C.TrackType int trackType, Format trackFormat, @C.SelectionReason int trackSelectionReason, Object trackSelectionData, long firstSegmentNum, int maxSegmentCount, long seekTimeUs, long nowPeriodTimeUs) {
    Representation representation = representationHolder.representation;
    long startTimeUs = representationHolder.getSegmentStartTimeUs(firstSegmentNum);
    RangedUri segmentUri = representationHolder.getSegmentUrl(firstSegmentNum);
    if (representationHolder.chunkExtractor == null) {
        long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum);
        int flags = representationHolder.isSegmentAvailableAtFullNetworkSpeed(firstSegmentNum, nowPeriodTimeUs) ? 0 : DataSpec.FLAG_MIGHT_NOT_USE_FULL_NETWORK_SPEED;
        DataSpec dataSpec = DashUtil.buildDataSpec(representation, representationHolder.selectedBaseUrl.url, segmentUri, flags);
        return new SingleSampleMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, firstSegmentNum, trackType, trackFormat);
    } else {
        int segmentCount = 1;
        for (int i = 1; i < maxSegmentCount; i++) {
            RangedUri nextSegmentUri = representationHolder.getSegmentUrl(firstSegmentNum + i);
            @Nullable RangedUri mergedSegmentUri = segmentUri.attemptMerge(nextSegmentUri, representationHolder.selectedBaseUrl.url);
            if (mergedSegmentUri == null) {
                // Unable to merge segment fetches because the URIs do not merge.
                break;
            }
            segmentUri = mergedSegmentUri;
            segmentCount++;
        }
        long segmentNum = firstSegmentNum + segmentCount - 1;
        long endTimeUs = representationHolder.getSegmentEndTimeUs(segmentNum);
        long periodDurationUs = representationHolder.periodDurationUs;
        long clippedEndTimeUs = periodDurationUs != C.TIME_UNSET && periodDurationUs <= endTimeUs ? periodDurationUs : C.TIME_UNSET;
        int flags = representationHolder.isSegmentAvailableAtFullNetworkSpeed(segmentNum, nowPeriodTimeUs) ? 0 : DataSpec.FLAG_MIGHT_NOT_USE_FULL_NETWORK_SPEED;
        DataSpec dataSpec = DashUtil.buildDataSpec(representation, representationHolder.selectedBaseUrl.url, segmentUri, flags);
        long sampleOffsetUs = -representation.presentationTimeOffsetUs;
        return new ContainerMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason, trackSelectionData, startTimeUs, endTimeUs, seekTimeUs, clippedEndTimeUs, firstSegmentNum, segmentCount, sampleOffsetUs, representationHolder.chunkExtractor);
    }
}

Example 4 with ContainerMediaChunk

use of com.google.android.exoplayer2.source.chunk.ContainerMediaChunk in project ExoPlayer by google.

the class DefaultSsChunkSource method newMediaChunk.

// Private methods.
private static MediaChunk newMediaChunk(Format format, DataSource dataSource, Uri uri, String cacheKey, int chunkIndex, long chunkStartTimeUs, long chunkEndTimeUs, int trackSelectionReason, Object trackSelectionData, ChunkExtractorWrapper extractorWrapper) {
    DataSpec dataSpec = new DataSpec(uri, 0, C.LENGTH_UNSET, cacheKey);
    // In SmoothStreaming each chunk contains sample timestamps relative to the start of the chunk.
    // To convert them the absolute timestamps, we need to set sampleOffsetUs to chunkStartTimeUs.
    long sampleOffsetUs = chunkStartTimeUs;
    return new ContainerMediaChunk(dataSource, dataSpec, format, trackSelectionReason, trackSelectionData, chunkStartTimeUs, chunkEndTimeUs, chunkIndex, 1, sampleOffsetUs, extractorWrapper);
}