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

Example 6 with TrackGroup

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

the class DashMediaPeriod method buildTrackGroups.

// Internal methods.
private static Pair<TrackGroupArray, EmbeddedTrackInfo[]> buildTrackGroups(List<AdaptationSet> adaptationSets) {
    int adaptationSetCount = adaptationSets.size();
    int embeddedTrackCount = getEmbeddedTrackCount(adaptationSets);
    TrackGroup[] trackGroupArray = new TrackGroup[adaptationSetCount + embeddedTrackCount];
    EmbeddedTrackInfo[] embeddedTrackInfos = new EmbeddedTrackInfo[embeddedTrackCount];
    int embeddedTrackIndex = 0;
    for (int i = 0; i < adaptationSetCount; i++) {
        AdaptationSet adaptationSet = adaptationSets.get(i);
        List<Representation> representations = adaptationSet.representations;
        Format[] formats = new Format[representations.size()];
        for (int j = 0; j < formats.length; j++) {
            formats[j] = representations.get(j).format;
        }
        trackGroupArray[i] = new TrackGroup(formats);
        if (hasEventMessageTrack(adaptationSet)) {
            Format format = Format.createSampleFormat(adaptationSet.id + ":emsg", MimeTypes.APPLICATION_EMSG, null, Format.NO_VALUE, null);
            trackGroupArray[adaptationSetCount + embeddedTrackIndex] = new TrackGroup(format);
            embeddedTrackInfos[embeddedTrackIndex++] = new EmbeddedTrackInfo(i, C.TRACK_TYPE_METADATA);
        }
        if (hasCea608Track(adaptationSet)) {
            Format format = Format.createTextSampleFormat(adaptationSet.id + ":cea608", MimeTypes.APPLICATION_CEA608, null, Format.NO_VALUE, 0, null, null);
            trackGroupArray[adaptationSetCount + embeddedTrackIndex] = new TrackGroup(format);
            embeddedTrackInfos[embeddedTrackIndex++] = new EmbeddedTrackInfo(i, C.TRACK_TYPE_TEXT);
        }
    }
    return Pair.create(new TrackGroupArray(trackGroupArray), embeddedTrackInfos);
}

Example 7 with TrackGroup

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

the class HlsMediaPeriod method selectTracks.

@Override
public long selectTracks(TrackSelection[] selections, boolean[] mayRetainStreamFlags, SampleStream[] streams, boolean[] streamResetFlags, long positionUs) {
    // Map each selection and stream onto a child period index.
    int[] streamChildIndices = new int[selections.length];
    int[] selectionChildIndices = new int[selections.length];
    for (int i = 0; i < selections.length; i++) {
        streamChildIndices[i] = streams[i] == null ? C.INDEX_UNSET : streamWrapperIndices.get(streams[i]);
        selectionChildIndices[i] = C.INDEX_UNSET;
        if (selections[i] != null) {
            TrackGroup trackGroup = selections[i].getTrackGroup();
            for (int j = 0; j < sampleStreamWrappers.length; j++) {
                if (sampleStreamWrappers[j].getTrackGroups().indexOf(trackGroup) != C.INDEX_UNSET) {
                    selectionChildIndices[i] = j;
                    break;
                }
            }
        }
    }
    boolean selectedNewTracks = false;
    streamWrapperIndices.clear();
    // Select tracks for each child, copying the resulting streams back into a new streams array.
    SampleStream[] newStreams = new SampleStream[selections.length];
    SampleStream[] childStreams = new SampleStream[selections.length];
    TrackSelection[] childSelections = new TrackSelection[selections.length];
    ArrayList<HlsSampleStreamWrapper> enabledSampleStreamWrapperList = new ArrayList<>(sampleStreamWrappers.length);
    for (int i = 0; i < sampleStreamWrappers.length; i++) {
        for (int j = 0; j < selections.length; j++) {
            childStreams[j] = streamChildIndices[j] == i ? streams[j] : null;
            childSelections[j] = selectionChildIndices[j] == i ? selections[j] : null;
        }
        selectedNewTracks |= sampleStreamWrappers[i].selectTracks(childSelections, mayRetainStreamFlags, childStreams, streamResetFlags, !seenFirstTrackSelection);
        boolean wrapperEnabled = false;
        for (int j = 0; j < selections.length; j++) {
            if (selectionChildIndices[j] == i) {
                // Assert that the child provided a stream for the selection.
                Assertions.checkState(childStreams[j] != null);
                newStreams[j] = childStreams[j];
                wrapperEnabled = true;
                streamWrapperIndices.put(childStreams[j], i);
            } else if (streamChildIndices[j] == i) {
                // Assert that the child cleared any previous stream.
                Assertions.checkState(childStreams[j] == null);
            }
        }
        if (wrapperEnabled) {
            enabledSampleStreamWrapperList.add(sampleStreamWrappers[i]);
        }
    }
    // Copy the new streams back into the streams array.
    System.arraycopy(newStreams, 0, streams, 0, newStreams.length);
    // Update the local state.
    enabledSampleStreamWrappers = new HlsSampleStreamWrapper[enabledSampleStreamWrapperList.size()];
    enabledSampleStreamWrapperList.toArray(enabledSampleStreamWrappers);
    // initialization.
    if (enabledSampleStreamWrappers.length > 0) {
        enabledSampleStreamWrappers[0].setIsTimestampMaster(true);
        for (int i = 1; i < enabledSampleStreamWrappers.length; i++) {
            enabledSampleStreamWrappers[i].setIsTimestampMaster(false);
        }
    }
    sequenceableLoader = new CompositeSequenceableLoader(enabledSampleStreamWrappers);
    if (seenFirstTrackSelection && selectedNewTracks) {
        seekToUs(positionUs);
        // We'll need to reset renderers consuming from all streams due to the seek.
        for (int i = 0; i < selections.length; i++) {
            if (streams[i] != null) {
                streamResetFlags[i] = true;
            }
        }
    }
    seenFirstTrackSelection = true;
    return positionUs;
}

Example 8 with TrackGroup

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

the class EventLogger method onTracksChanged.

@Override
public void onTracksChanged(TrackGroupArray ignored, TrackSelectionArray trackSelections) {
    MappedTrackInfo mappedTrackInfo = trackSelector.getCurrentMappedTrackInfo();
    if (mappedTrackInfo == null) {
        Log.d(TAG, "Tracks []");
        return;
    }
    Log.d(TAG, "Tracks [");
    // Log tracks associated to renderers.
    for (int rendererIndex = 0; rendererIndex < mappedTrackInfo.length; rendererIndex++) {
        TrackGroupArray rendererTrackGroups = mappedTrackInfo.getTrackGroups(rendererIndex);
        TrackSelection trackSelection = trackSelections.get(rendererIndex);
        if (rendererTrackGroups.length > 0) {
            Log.d(TAG, "  Renderer:" + rendererIndex + " [");
            for (int groupIndex = 0; groupIndex < rendererTrackGroups.length; groupIndex++) {
                TrackGroup trackGroup = rendererTrackGroups.get(groupIndex);
                String adaptiveSupport = getAdaptiveSupportString(trackGroup.length, mappedTrackInfo.getAdaptiveSupport(rendererIndex, groupIndex, false));
                Log.d(TAG, "    Group:" + groupIndex + ", adaptive_supported=" + adaptiveSupport + " [");
                for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
                    String status = getTrackStatusString(trackSelection, trackGroup, trackIndex);
                    String formatSupport = getFormatSupportString(mappedTrackInfo.getTrackFormatSupport(rendererIndex, groupIndex, trackIndex));
                    Log.d(TAG, "      " + status + " Track:" + trackIndex + ", " + Format.toLogString(trackGroup.getFormat(trackIndex)) + ", supported=" + formatSupport);
                }
                Log.d(TAG, "    ]");
            }
            // Log metadata for at most one of the tracks selected for the renderer.
            if (trackSelection != null) {
                for (int selectionIndex = 0; selectionIndex < trackSelection.length(); selectionIndex++) {
                    Metadata metadata = trackSelection.getFormat(selectionIndex).metadata;
                    if (metadata != null) {
                        Log.d(TAG, "    Metadata [");
                        printMetadata(metadata, "      ");
                        Log.d(TAG, "    ]");
                        break;
                    }
                }
            }
            Log.d(TAG, "  ]");
        }
    }
    // Log tracks not associated with a renderer.
    TrackGroupArray unassociatedTrackGroups = mappedTrackInfo.getUnassociatedTrackGroups();
    if (unassociatedTrackGroups.length > 0) {
        Log.d(TAG, "  Renderer:None [");
        for (int groupIndex = 0; groupIndex < unassociatedTrackGroups.length; groupIndex++) {
            Log.d(TAG, "    Group:" + groupIndex + " [");
            TrackGroup trackGroup = unassociatedTrackGroups.get(groupIndex);
            for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
                String status = getTrackStatusString(false);
                String formatSupport = getFormatSupportString(RendererCapabilities.FORMAT_UNSUPPORTED_TYPE);
                Log.d(TAG, "      " + status + " Track:" + trackIndex + ", " + Format.toLogString(trackGroup.getFormat(trackIndex)) + ", supported=" + formatSupport);
            }
            Log.d(TAG, "    ]");
        }
        Log.d(TAG, "  ]");
    }
    Log.d(TAG, "]");
}

Example 9 with TrackGroup

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

the class DefaultTrackSelector method selectAudioTrack.

// Audio track selection implementation.
protected TrackSelection selectAudioTrack(TrackGroupArray groups, int[][] formatSupport, String preferredAudioLanguage, boolean exceedRendererCapabilitiesIfNecessary) {
    TrackGroup selectedGroup = null;
    int selectedTrackIndex = 0;
    int selectedTrackScore = 0;
    for (int groupIndex = 0; groupIndex < groups.length; groupIndex++) {
        TrackGroup trackGroup = groups.get(groupIndex);
        int[] trackFormatSupport = formatSupport[groupIndex];
        for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
            if (isSupported(trackFormatSupport[trackIndex], exceedRendererCapabilitiesIfNecessary)) {
                Format format = trackGroup.getFormat(trackIndex);
                boolean isDefault = (format.selectionFlags & C.SELECTION_FLAG_DEFAULT) != 0;
                int trackScore;
                if (formatHasLanguage(format, preferredAudioLanguage)) {
                    if (isDefault) {
                        trackScore = 4;
                    } else {
                        trackScore = 3;
                    }
                } else if (isDefault) {
                    trackScore = 2;
                } else {
                    trackScore = 1;
                }
                if (isSupported(trackFormatSupport[trackIndex], false)) {
                    trackScore += WITHIN_RENDERER_CAPABILITIES_BONUS;
                }
                if (trackScore > selectedTrackScore) {
                    selectedGroup = trackGroup;
                    selectedTrackIndex = trackIndex;
                    selectedTrackScore = trackScore;
                }
            }
        }
    }
    return selectedGroup == null ? null : new FixedTrackSelection(selectedGroup, selectedTrackIndex);
}

Example 10 with TrackGroup

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

the class DefaultTrackSelector method selectOtherTrack.

// General track selection methods.
protected TrackSelection selectOtherTrack(int trackType, TrackGroupArray groups, int[][] formatSupport, boolean exceedRendererCapabilitiesIfNecessary) {
    TrackGroup selectedGroup = null;
    int selectedTrackIndex = 0;
    int selectedTrackScore = 0;
    for (int groupIndex = 0; groupIndex < groups.length; groupIndex++) {
        TrackGroup trackGroup = groups.get(groupIndex);
        int[] trackFormatSupport = formatSupport[groupIndex];
        for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
            if (isSupported(trackFormatSupport[trackIndex], exceedRendererCapabilitiesIfNecessary)) {
                Format format = trackGroup.getFormat(trackIndex);
                boolean isDefault = (format.selectionFlags & C.SELECTION_FLAG_DEFAULT) != 0;
                int trackScore = isDefault ? 2 : 1;
                if (isSupported(trackFormatSupport[trackIndex], false)) {
                    trackScore += WITHIN_RENDERER_CAPABILITIES_BONUS;
                }
                if (trackScore > selectedTrackScore) {
                    selectedGroup = trackGroup;
                    selectedTrackIndex = trackIndex;
                    selectedTrackScore = trackScore;
                }
            }
        }
    }
    return selectedGroup == null ? null : new FixedTrackSelection(selectedGroup, selectedTrackIndex);
}