Examples with RangedUri com.google.android.exoplayer2.source.dash.manifest.RangedUri used on opensource projects

Example 1 with RangedUri

use of com.google.android.exoplayer2.source.dash.manifest.RangedUri in project ExoPlayer by google.

the class RepresentationTest method testGetCacheKey.

public void testGetCacheKey() {
    String uri = "http://www.google.com";
    SegmentBase base = new SingleSegmentBase(new RangedUri(null, 0, 1), 1, 0, 1, 1);
    Format format = Format.createVideoContainerFormat("0", MimeTypes.APPLICATION_MP4, null, MimeTypes.VIDEO_H264, 2500000, 1920, 1080, Format.NO_VALUE, null, 0);
    Representation representation = Representation.newInstance("test_stream_1", 3, format, uri, base);
    assertEquals("test_stream_1.0.3", representation.getCacheKey());
    format = Format.createVideoContainerFormat("150", MimeTypes.APPLICATION_MP4, null, MimeTypes.VIDEO_H264, 2500000, 1920, 1080, Format.NO_VALUE, null, 0);
    representation = Representation.newInstance("test_stream_1", Representation.REVISION_ID_DEFAULT, format, uri, base);
    assertEquals("test_stream_1.150.-1", representation.getCacheKey());
}

Example 2 with RangedUri

use of com.google.android.exoplayer2.source.dash.manifest.RangedUri in project ExoPlayer by google.

the class DefaultDashChunkSource method getNextChunk.

@Override
public final void getNextChunk(MediaChunk previous, long playbackPositionUs, ChunkHolder out) {
    if (fatalError != null) {
        return;
    }
    long bufferedDurationUs = previous != null ? (previous.endTimeUs - playbackPositionUs) : 0;
    trackSelection.updateSelectedTrack(bufferedDurationUs);
    RepresentationHolder representationHolder = representationHolders[trackSelection.getSelectedIndex()];
    Representation selectedRepresentation = representationHolder.representation;
    DashSegmentIndex segmentIndex = representationHolder.segmentIndex;
    RangedUri pendingInitializationUri = null;
    RangedUri pendingIndexUri = null;
    if (representationHolder.extractorWrapper.getSampleFormats() == null) {
        pendingInitializationUri = selectedRepresentation.getInitializationUri();
    }
    if (segmentIndex == null) {
        pendingIndexUri = selectedRepresentation.getIndexUri();
    }
    if (pendingInitializationUri != null || pendingIndexUri != null) {
        // We have initialization and/or index requests to make.
        out.chunk = newInitializationChunk(representationHolder, dataSource, trackSelection.getSelectedFormat(), trackSelection.getSelectionReason(), trackSelection.getSelectionData(), pendingInitializationUri, pendingIndexUri);
        return;
    }
    long nowUs = getNowUnixTimeUs();
    int availableSegmentCount = representationHolder.getSegmentCount();
    if (availableSegmentCount == 0) {
        // The index doesn't define any segments.
        out.endOfStream = !manifest.dynamic || (periodIndex < manifest.getPeriodCount() - 1);
        return;
    }
    int firstAvailableSegmentNum = representationHolder.getFirstSegmentNum();
    int lastAvailableSegmentNum;
    if (availableSegmentCount == DashSegmentIndex.INDEX_UNBOUNDED) {
        // The index is itself unbounded. We need to use the current time to calculate the range of
        // available segments.
        long liveEdgeTimeUs = nowUs - manifest.availabilityStartTime * 1000;
        long periodStartUs = manifest.getPeriod(periodIndex).startMs * 1000;
        long liveEdgeTimeInPeriodUs = liveEdgeTimeUs - periodStartUs;
        if (manifest.timeShiftBufferDepth != C.TIME_UNSET) {
            long bufferDepthUs = manifest.timeShiftBufferDepth * 1000;
            firstAvailableSegmentNum = Math.max(firstAvailableSegmentNum, representationHolder.getSegmentNum(liveEdgeTimeInPeriodUs - bufferDepthUs));
        }
        // getSegmentNum(liveEdgeTimestampUs) will not be completed yet, so subtract one to get the
        // index of the last completed segment.
        lastAvailableSegmentNum = representationHolder.getSegmentNum(liveEdgeTimeInPeriodUs) - 1;
    } else {
        lastAvailableSegmentNum = firstAvailableSegmentNum + availableSegmentCount - 1;
    }
    int segmentNum;
    if (previous == null) {
        segmentNum = Util.constrainValue(representationHolder.getSegmentNum(playbackPositionUs), firstAvailableSegmentNum, lastAvailableSegmentNum);
    } else {
        segmentNum = previous.getNextChunkIndex();
        if (segmentNum < firstAvailableSegmentNum) {
            // This is before the first chunk in the current manifest.
            fatalError = new BehindLiveWindowException();
            return;
        }
    }
    if (segmentNum > lastAvailableSegmentNum || (missingLastSegment && segmentNum >= lastAvailableSegmentNum)) {
        // This is beyond the last chunk in the current manifest.
        out.endOfStream = !manifest.dynamic || (periodIndex < manifest.getPeriodCount() - 1);
        return;
    }
    int maxSegmentCount = Math.min(maxSegmentsPerLoad, lastAvailableSegmentNum - segmentNum + 1);
    out.chunk = newMediaChunk(representationHolder, dataSource, trackSelection.getSelectedFormat(), trackSelection.getSelectionReason(), trackSelection.getSelectionData(), segmentNum, maxSegmentCount);
}

Example 3 with RangedUri

use of com.google.android.exoplayer2.source.dash.manifest.RangedUri 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 4 with RangedUri

use of com.google.android.exoplayer2.source.dash.manifest.RangedUri in project ExoPlayer by google.

the class DashUtil method loadInitializationData.

private static void loadInitializationData(DataSource dataSource, Representation representation, int baseUrlIndex, ChunkExtractor chunkExtractor, RangedUri requestUri) throws IOException {
    DataSpec dataSpec = DashUtil.buildDataSpec(representation, representation.baseUrls.get(baseUrlIndex).url, requestUri, /* flags= */
    0);
    InitializationChunk initializationChunk = new InitializationChunk(dataSource, dataSpec, representation.format, C.SELECTION_REASON_UNKNOWN, null, /* trackSelectionData */
    chunkExtractor);
    initializationChunk.load();
}

Example 5 with RangedUri

use of com.google.android.exoplayer2.source.dash.manifest.RangedUri 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);
    }
}