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

Example 86 with TrackGroupArray

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

the class DownloadHelperTest method staticSetUp.

@BeforeClass
public static void staticSetUp() {
    Format audioFormatUs = createAudioFormat(/* language= */
    "US");
    Format audioFormatZh = createAudioFormat(/* language= */
    "ZH");
    Format textFormatUs = createTextFormat(/* language= */
    "US");
    Format textFormatZh = createTextFormat(/* language= */
    "ZH");
    trackGroupAudioUs = new TrackGroup(audioFormatUs);
    trackGroupAudioZh = new TrackGroup(audioFormatZh);
    trackGroupTextUs = new TrackGroup(textFormatUs);
    trackGroupTextZh = new TrackGroup(textFormatZh);
    TrackGroupArray trackGroupArrayAll = new TrackGroupArray(TRACK_GROUP_VIDEO_BOTH, trackGroupAudioUs, trackGroupAudioZh, trackGroupTextUs, trackGroupTextZh);
    TrackGroupArray trackGroupArraySingle = new TrackGroupArray(TRACK_GROUP_VIDEO_SINGLE, trackGroupAudioUs);
    trackGroupArrays = new TrackGroupArray[] { trackGroupArrayAll, trackGroupArraySingle };
    testMediaItem = new MediaItem.Builder().setUri("http://test.uri").setCustomCacheKey("cacheKey").build();
}

Example 87 with TrackGroupArray

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

the class HlsMediaPeriod method getStreamKeys.

// TODO: When the multivariant playlist does not de-duplicate variants by URL and allows
// Renditions with null URLs, this method must be updated to calculate stream keys that are
// compatible with those that may already be persisted for offline.
@Override
public List<StreamKey> getStreamKeys(List<ExoTrackSelection> trackSelections) {
    // See HlsMultivariantPlaylist.copy for interpretation of StreamKeys.
    HlsMultivariantPlaylist multivariantPlaylist = Assertions.checkNotNull(playlistTracker.getMultivariantPlaylist());
    boolean hasVariants = !multivariantPlaylist.variants.isEmpty();
    int audioWrapperOffset = hasVariants ? 1 : 0;
    // Subtitle sample stream wrappers are held last.
    int subtitleWrapperOffset = sampleStreamWrappers.length - multivariantPlaylist.subtitles.size();
    TrackGroupArray mainWrapperTrackGroups;
    int mainWrapperPrimaryGroupIndex;
    int[] mainWrapperVariantIndices;
    if (hasVariants) {
        HlsSampleStreamWrapper mainWrapper = sampleStreamWrappers[0];
        mainWrapperVariantIndices = manifestUrlIndicesPerWrapper[0];
        mainWrapperTrackGroups = mainWrapper.getTrackGroups();
        mainWrapperPrimaryGroupIndex = mainWrapper.getPrimaryTrackGroupIndex();
    } else {
        mainWrapperVariantIndices = new int[0];
        mainWrapperTrackGroups = TrackGroupArray.EMPTY;
        mainWrapperPrimaryGroupIndex = 0;
    }
    List<StreamKey> streamKeys = new ArrayList<>();
    boolean needsPrimaryTrackGroupSelection = false;
    boolean hasPrimaryTrackGroupSelection = false;
    for (ExoTrackSelection trackSelection : trackSelections) {
        TrackGroup trackSelectionGroup = trackSelection.getTrackGroup();
        int mainWrapperTrackGroupIndex = mainWrapperTrackGroups.indexOf(trackSelectionGroup);
        if (mainWrapperTrackGroupIndex != C.INDEX_UNSET) {
            if (mainWrapperTrackGroupIndex == mainWrapperPrimaryGroupIndex) {
                // Primary group in main wrapper.
                hasPrimaryTrackGroupSelection = true;
                for (int i = 0; i < trackSelection.length(); i++) {
                    int variantIndex = mainWrapperVariantIndices[trackSelection.getIndexInTrackGroup(i)];
                    streamKeys.add(new StreamKey(HlsMultivariantPlaylist.GROUP_INDEX_VARIANT, variantIndex));
                }
            } else {
                // Embedded group in main wrapper.
                needsPrimaryTrackGroupSelection = true;
            }
        } else {
            // Audio or subtitle group.
            for (int i = audioWrapperOffset; i < sampleStreamWrappers.length; i++) {
                TrackGroupArray wrapperTrackGroups = sampleStreamWrappers[i].getTrackGroups();
                int selectedTrackGroupIndex = wrapperTrackGroups.indexOf(trackSelectionGroup);
                if (selectedTrackGroupIndex != C.INDEX_UNSET) {
                    int groupIndexType = i < subtitleWrapperOffset ? HlsMultivariantPlaylist.GROUP_INDEX_AUDIO : HlsMultivariantPlaylist.GROUP_INDEX_SUBTITLE;
                    int[] selectedWrapperUrlIndices = manifestUrlIndicesPerWrapper[i];
                    for (int trackIndex = 0; trackIndex < trackSelection.length(); trackIndex++) {
                        int renditionIndex = selectedWrapperUrlIndices[trackSelection.getIndexInTrackGroup(trackIndex)];
                        streamKeys.add(new StreamKey(groupIndexType, renditionIndex));
                    }
                    break;
                }
            }
        }
    }
    if (needsPrimaryTrackGroupSelection && !hasPrimaryTrackGroupSelection) {
        // A track selection includes a variant-embedded track, but no variant is added yet. We use
        // the valid variant with the lowest bitrate to reduce overhead.
        int lowestBitrateIndex = mainWrapperVariantIndices[0];
        int lowestBitrate = multivariantPlaylist.variants.get(mainWrapperVariantIndices[0]).format.bitrate;
        for (int i = 1; i < mainWrapperVariantIndices.length; i++) {
            int variantBitrate = multivariantPlaylist.variants.get(mainWrapperVariantIndices[i]).format.bitrate;
            if (variantBitrate < lowestBitrate) {
                lowestBitrate = variantBitrate;
                lowestBitrateIndex = mainWrapperVariantIndices[i];
            }
        }
        streamKeys.add(new StreamKey(HlsMultivariantPlaylist.GROUP_INDEX_VARIANT, lowestBitrateIndex));
    }
    return streamKeys;
}

Example 88 with TrackGroupArray

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

the class ExoPlayerTest method infiniteLoading_withSmallAllocations_oomIsPreventedByLoadControl_andThrowsStuckBufferingIllegalStateException.

@Test
public void infiniteLoading_withSmallAllocations_oomIsPreventedByLoadControl_andThrowsStuckBufferingIllegalStateException() {
    DefaultLoadControl loadControl = new DefaultLoadControl.Builder().setTargetBufferBytes(10 * C.DEFAULT_BUFFER_SEGMENT_SIZE).build();
    // Return no end of stream signal to prevent playback from ending.
    FakeMediaPeriod.TrackDataFactory trackDataWithoutEos = (format, periodId) -> ImmutableList.of();
    MediaSource continuouslyAllocatingMediaSource = new FakeMediaSource(new FakeTimeline(), ExoPlayerTestRunner.VIDEO_FORMAT) {

        @Override
        protected MediaPeriod createMediaPeriod(MediaPeriodId id, TrackGroupArray trackGroupArray, Allocator allocator, MediaSourceEventListener.EventDispatcher mediaSourceEventDispatcher, DrmSessionManager drmSessionManager, DrmSessionEventListener.EventDispatcher drmEventDispatcher, @Nullable TransferListener transferListener) {
            return new FakeMediaPeriod(trackGroupArray, allocator, trackDataWithoutEos, mediaSourceEventDispatcher, drmSessionManager, drmEventDispatcher, /* deferOnPrepared= */
            false) {

                private final List<Allocation> allocations = new ArrayList<>();

                private Callback callback;

                @Override
                public synchronized void prepare(Callback callback, long positionUs) {
                    this.callback = callback;
                    super.prepare(callback, positionUs);
                }

                @Override
                public long getBufferedPositionUs() {
                    // Pretend not to make loading progress, so that continueLoading keeps being called.
                    return 0;
                }

                @Override
                public long getNextLoadPositionUs() {
                    // Pretend not to make loading progress, so that continueLoading keeps being called.
                    return 0;
                }

                @Override
                public boolean continueLoading(long positionUs) {
                    allocations.add(allocator.allocate());
                    callback.onContinueLoadingRequested(this);
                    return true;
                }
            };
        }
    };
    ExoPlayerTestRunner testRunner = new ExoPlayerTestRunner.Builder(context).setMediaSources(continuouslyAllocatingMediaSource).setLoadControl(loadControl).build();
    ExoPlaybackException exception = assertThrows(ExoPlaybackException.class, () -> testRunner.start().blockUntilEnded(TIMEOUT_MS));
    assertThat(exception.type).isEqualTo(ExoPlaybackException.TYPE_UNEXPECTED);
    assertThat(exception.getUnexpectedException()).isInstanceOf(IllegalStateException.class);
}

Example 89 with TrackGroupArray

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

the class ExoPlayerTest method setPlaybackSpeedBeforePreparationCompletesSucceeds.

@Test
public void setPlaybackSpeedBeforePreparationCompletesSucceeds() throws Exception {
    // Test that no exception is thrown when playback parameters are updated between creating a
    // period and preparation of the period completing.
    final CountDownLatch createPeriodCalledCountDownLatch = new CountDownLatch(1);
    final FakeMediaPeriod[] fakeMediaPeriodHolder = new FakeMediaPeriod[1];
    MediaSource mediaSource = new FakeMediaSource(new FakeTimeline(), ExoPlayerTestRunner.VIDEO_FORMAT) {

        @Override
        protected MediaPeriod createMediaPeriod(MediaPeriodId id, TrackGroupArray trackGroupArray, Allocator allocator, MediaSourceEventListener.EventDispatcher mediaSourceEventDispatcher, DrmSessionManager drmSessionManager, DrmSessionEventListener.EventDispatcher drmEventDispatcher, @Nullable TransferListener transferListener) {
            // Defer completing preparation of the period until playback parameters have been set.
            fakeMediaPeriodHolder[0] = new FakeMediaPeriod(trackGroupArray, allocator, TimelineWindowDefinition.DEFAULT_WINDOW_OFFSET_IN_FIRST_PERIOD_US, mediaSourceEventDispatcher, drmSessionManager, drmEventDispatcher, /* deferOnPrepared= */
            true);
            createPeriodCalledCountDownLatch.countDown();
            return fakeMediaPeriodHolder[0];
        }
    };
    ActionSchedule actionSchedule = new ActionSchedule.Builder(TAG).waitForPlaybackState(Player.STATE_BUFFERING).executeRunnable(new PlayerRunnable() {

        @Override
        public void run(ExoPlayer player) {
            try {
                player.getClock().onThreadBlocked();
                createPeriodCalledCountDownLatch.await();
            } catch (InterruptedException e) {
                throw new IllegalStateException(e);
            }
        }
    }).setPlaybackParameters(new PlaybackParameters(/* speed= */
    2f)).executeRunnable(() -> fakeMediaPeriodHolder[0].setPreparationComplete()).build();
    new ExoPlayerTestRunner.Builder(context).setMediaSources(mediaSource).setActionSchedule(actionSchedule).build().start().blockUntilEnded(TIMEOUT_MS);
}

Example 90 with TrackGroupArray

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

the class MappingTrackSelector method selectTracks.

@Override
public final TrackSelectorResult selectTracks(RendererCapabilities[] rendererCapabilities, TrackGroupArray trackGroups, MediaPeriodId periodId, Timeline timeline) throws ExoPlaybackException {
    // Structures into which data will be written during the selection. The extra item at the end
    // of each array is to store data associated with track groups that cannot be associated with
    // any renderer.
    int[] rendererTrackGroupCounts = new int[rendererCapabilities.length + 1];
    TrackGroup[][] rendererTrackGroups = new TrackGroup[rendererCapabilities.length + 1][];
    @Capabilities int[][][] rendererFormatSupports = new int[rendererCapabilities.length + 1][][];
    for (int i = 0; i < rendererTrackGroups.length; i++) {
        rendererTrackGroups[i] = new TrackGroup[trackGroups.length];
        rendererFormatSupports[i] = new int[trackGroups.length][];
    }
    // Determine the extent to which each renderer supports mixed mimeType adaptation.
    @AdaptiveSupport int[] rendererMixedMimeTypeAdaptationSupports = getMixedMimeTypeAdaptationSupports(rendererCapabilities);
    // renderer provides for each track in the group.
    for (int groupIndex = 0; groupIndex < trackGroups.length; groupIndex++) {
        TrackGroup group = trackGroups.get(groupIndex);
        // Associate the group to a preferred renderer.
        boolean preferUnassociatedRenderer = MimeTypes.getTrackType(group.getFormat(0).sampleMimeType) == C.TRACK_TYPE_METADATA;
        int rendererIndex = findRenderer(rendererCapabilities, group, rendererTrackGroupCounts, preferUnassociatedRenderer);
        // Evaluate the support that the renderer provides for each track in the group.
        @Capabilities int[] rendererFormatSupport = rendererIndex == rendererCapabilities.length ? new int[group.length] : getFormatSupport(rendererCapabilities[rendererIndex], group);
        // Stash the results.
        int rendererTrackGroupCount = rendererTrackGroupCounts[rendererIndex];
        rendererTrackGroups[rendererIndex][rendererTrackGroupCount] = group;
        rendererFormatSupports[rendererIndex][rendererTrackGroupCount] = rendererFormatSupport;
        rendererTrackGroupCounts[rendererIndex]++;
    }
    // Create a track group array for each renderer, and trim each rendererFormatSupports entry.
    TrackGroupArray[] rendererTrackGroupArrays = new TrackGroupArray[rendererCapabilities.length];
    String[] rendererNames = new String[rendererCapabilities.length];
    int[] rendererTrackTypes = new int[rendererCapabilities.length];
    for (int i = 0; i < rendererCapabilities.length; i++) {
        int rendererTrackGroupCount = rendererTrackGroupCounts[i];
        rendererTrackGroupArrays[i] = new TrackGroupArray(Util.nullSafeArrayCopy(rendererTrackGroups[i], rendererTrackGroupCount));
        rendererFormatSupports[i] = Util.nullSafeArrayCopy(rendererFormatSupports[i], rendererTrackGroupCount);
        rendererNames[i] = rendererCapabilities[i].getName();
        rendererTrackTypes[i] = rendererCapabilities[i].getTrackType();
    }
    // Create a track group array for track groups not mapped to a renderer.
    int unmappedTrackGroupCount = rendererTrackGroupCounts[rendererCapabilities.length];
    TrackGroupArray unmappedTrackGroupArray = new TrackGroupArray(Util.nullSafeArrayCopy(rendererTrackGroups[rendererCapabilities.length], unmappedTrackGroupCount));
    // Package up the track information and selections.
    MappedTrackInfo mappedTrackInfo = new MappedTrackInfo(rendererNames, rendererTrackTypes, rendererTrackGroupArrays, rendererMixedMimeTypeAdaptationSupports, rendererFormatSupports, unmappedTrackGroupArray);
    Pair<@NullableType RendererConfiguration[], @NullableType ExoTrackSelection[]> result = selectTracks(mappedTrackInfo, rendererFormatSupports, rendererMixedMimeTypeAdaptationSupports, periodId, timeline);
    TracksInfo tracksInfo = buildTracksInfo(result.second, mappedTrackInfo);
    return new TrackSelectorResult(result.first, result.second, tracksInfo, mappedTrackInfo);
}