Examples with MappedTrackInfo com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo used on opensource projects

Example 36 with MappedTrackInfo

use of com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo in project ExoPlayer by google.

the class DefaultTrackSelector method getApplicableOverrides.

/**
 * Returns applicable overrides. Mapping from track type to a pair of override and renderer index
 * for this override.
 */
private SparseArray<Pair<TrackSelectionOverride, Integer>> getApplicableOverrides(MappedTrackInfo mappedTrackInfo, Parameters params) {
    SparseArray<Pair<TrackSelectionOverride, Integer>> applicableOverrides = new SparseArray<>();
    // Iterate through all existing track groups to ensure only overrides for those groups are used.
    int rendererCount = mappedTrackInfo.getRendererCount();
    for (int rendererIndex = 0; rendererIndex < rendererCount; rendererIndex++) {
        TrackGroupArray rendererTrackGroups = mappedTrackInfo.getTrackGroups(rendererIndex);
        for (int j = 0; j < rendererTrackGroups.length; j++) {
            maybeUpdateApplicableOverrides(applicableOverrides, params.trackSelectionOverrides.getOverride(rendererTrackGroups.get(j)), rendererIndex);
        }
    }
    // Also iterate unmapped groups to see if they have overrides.
    TrackGroupArray unmappedGroups = mappedTrackInfo.getUnmappedTrackGroups();
    for (int i = 0; i < unmappedGroups.length; i++) {
        maybeUpdateApplicableOverrides(applicableOverrides, params.trackSelectionOverrides.getOverride(unmappedGroups.get(i)), /* rendererIndex= */
        C.INDEX_UNSET);
    }
    return applicableOverrides;
}

Example 37 with MappedTrackInfo

use of com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo in project ExoPlayer by google.

the class DefaultTrackSelector method selectOtherTrack.

// Generic track selection methods.
/**
 * Called by {@link #selectAllTracks(MappedTrackInfo, int[][][], int[], Parameters)} to create a
 * {@link ExoTrackSelection} for a renderer whose type is neither video, audio or text.
 *
 * @param trackType The type of the renderer.
 * @param groups The {@link TrackGroupArray} mapped to the renderer.
 * @param formatSupport The {@link Capabilities} for each mapped track, indexed by track group and
 *     track (in that order).
 * @param params The selector's current constraint parameters.
 * @return The {@link ExoTrackSelection} for the renderer, or null if no selection was made.
 * @throws ExoPlaybackException If an error occurs while selecting the tracks.
 */
@Nullable
protected ExoTrackSelection.Definition selectOtherTrack(int trackType, TrackGroupArray groups, @Capabilities int[][] formatSupport, Parameters params) throws ExoPlaybackException {
    @Nullable TrackGroup selectedGroup = null;
    int selectedTrackIndex = 0;
    @Nullable OtherTrackScore selectedTrackScore = null;
    for (int groupIndex = 0; groupIndex < groups.length; groupIndex++) {
        TrackGroup trackGroup = groups.get(groupIndex);
        @Capabilities int[] trackFormatSupport = formatSupport[groupIndex];
        for (int trackIndex = 0; trackIndex < trackGroup.length; trackIndex++) {
            if (isSupported(trackFormatSupport[trackIndex], params.exceedRendererCapabilitiesIfNecessary)) {
                Format format = trackGroup.getFormat(trackIndex);
                OtherTrackScore trackScore = new OtherTrackScore(format, trackFormatSupport[trackIndex]);
                if (selectedTrackScore == null || trackScore.compareTo(selectedTrackScore) > 0) {
                    selectedGroup = trackGroup;
                    selectedTrackIndex = trackIndex;
                    selectedTrackScore = trackScore;
                }
            }
        }
    }
    return selectedGroup == null ? null : new ExoTrackSelection.Definition(selectedGroup, selectedTrackIndex);
}

Example 38 with MappedTrackInfo

use of com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo 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 39 with MappedTrackInfo

use of com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo in project ExoPlayer by google.

the class MappingTrackSelector method selectTracks.

// TrackSelector implementation.
@Override
public final TrackSelectorResult selectTracks(RendererCapabilities[] rendererCapabilities, TrackGroupArray trackGroups) 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][];
    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.
    int[] mixedMimeTypeAdaptationSupport = getMixedMimeTypeAdaptationSupport(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.
        int rendererIndex = findRenderer(rendererCapabilities, group);
        // Evaluate the support that the renderer provides for each track in the group.
        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];
    int[] rendererTrackTypes = new int[rendererCapabilities.length];
    for (int i = 0; i < rendererCapabilities.length; i++) {
        int rendererTrackGroupCount = rendererTrackGroupCounts[i];
        rendererTrackGroupArrays[i] = new TrackGroupArray(Arrays.copyOf(rendererTrackGroups[i], rendererTrackGroupCount));
        rendererFormatSupports[i] = Arrays.copyOf(rendererFormatSupports[i], rendererTrackGroupCount);
        rendererTrackTypes[i] = rendererCapabilities[i].getTrackType();
    }
    // Create a track group array for track groups not associated with a renderer.
    int unassociatedTrackGroupCount = rendererTrackGroupCounts[rendererCapabilities.length];
    TrackGroupArray unassociatedTrackGroupArray = new TrackGroupArray(Arrays.copyOf(rendererTrackGroups[rendererCapabilities.length], unassociatedTrackGroupCount));
    TrackSelection[] trackSelections = selectTracks(rendererCapabilities, rendererTrackGroupArrays, rendererFormatSupports);
    // Apply track disabling and overriding.
    for (int i = 0; i < rendererCapabilities.length; i++) {
        if (rendererDisabledFlags.get(i)) {
            trackSelections[i] = null;
        } else {
            TrackGroupArray rendererTrackGroup = rendererTrackGroupArrays[i];
            Map<TrackGroupArray, SelectionOverride> overrides = selectionOverrides.get(i);
            SelectionOverride override = overrides == null ? null : overrides.get(rendererTrackGroup);
            if (override != null) {
                trackSelections[i] = override.createTrackSelection(rendererTrackGroup);
            }
        }
    }
    // Package up the track information and selections.
    MappedTrackInfo mappedTrackInfo = new MappedTrackInfo(rendererTrackTypes, rendererTrackGroupArrays, mixedMimeTypeAdaptationSupport, rendererFormatSupports, unassociatedTrackGroupArray);
    // Initialize the renderer configurations to the default configuration for all renderers with
    // selections, and null otherwise.
    RendererConfiguration[] rendererConfigurations = new RendererConfiguration[rendererCapabilities.length];
    for (int i = 0; i < rendererCapabilities.length; i++) {
        rendererConfigurations[i] = trackSelections[i] != null ? RendererConfiguration.DEFAULT : null;
    }
    // Configure audio and video renderers to use tunneling if appropriate.
    maybeConfigureRenderersForTunneling(rendererCapabilities, rendererTrackGroupArrays, rendererFormatSupports, rendererConfigurations, trackSelections, tunnelingAudioSessionId);
    return new TrackSelectorResult(trackGroups, new TrackSelectionArray(trackSelections), mappedTrackInfo, rendererConfigurations);
}

Example 40 with MappedTrackInfo

use of com.google.android.exoplayer2.trackselection.MappingTrackSelector.MappedTrackInfo in project Telegram-FOSS by Telegram-FOSS-Team.

the class DownloadHelper method onMediaPrepared.

// Initialization of array of Lists.
@SuppressWarnings("unchecked")
private void onMediaPrepared() {
    Assertions.checkNotNull(mediaPreparer);
    Assertions.checkNotNull(mediaPreparer.mediaPeriods);
    Assertions.checkNotNull(mediaPreparer.timeline);
    int periodCount = mediaPreparer.mediaPeriods.length;
    int rendererCount = rendererCapabilities.length;
    trackSelectionsByPeriodAndRenderer = (List<TrackSelection>[][]) new List<?>[periodCount][rendererCount];
    immutableTrackSelectionsByPeriodAndRenderer = (List<TrackSelection>[][]) new List<?>[periodCount][rendererCount];
    for (int i = 0; i < periodCount; i++) {
        for (int j = 0; j < rendererCount; j++) {
            trackSelectionsByPeriodAndRenderer[i][j] = new ArrayList<>();
            immutableTrackSelectionsByPeriodAndRenderer[i][j] = Collections.unmodifiableList(trackSelectionsByPeriodAndRenderer[i][j]);
        }
    }
    trackGroupArrays = new TrackGroupArray[periodCount];
    mappedTrackInfos = new MappedTrackInfo[periodCount];
    for (int i = 0; i < periodCount; i++) {
        trackGroupArrays[i] = mediaPreparer.mediaPeriods[i].getTrackGroups();
        TrackSelectorResult trackSelectorResult = runTrackSelection(/* periodIndex= */
        i);
        trackSelector.onSelectionActivated(trackSelectorResult.info);
        mappedTrackInfos[i] = Assertions.checkNotNull(trackSelector.getCurrentMappedTrackInfo());
    }
    setPreparedWithMedia();
    Assertions.checkNotNull(callbackHandler).post(() -> Assertions.checkNotNull(callback).onPrepared(this));
}