Examples with Loader com.google.android.exoplayer2.upstream.Loader used on opensource projects

Example 6 with Loader

use of com.google.android.exoplayer2.upstream.Loader in project ExoPlayer by google.

the class ExoPlayerTest method loading_withLargeAllocationCausingOom_playsRemainingMediaAndThenThrows.

@Test
public void loading_withLargeAllocationCausingOom_playsRemainingMediaAndThenThrows() {
    Loader.Loadable loadable = new Loader.Loadable() {

        @SuppressWarnings("UnusedVariable")
        @Override
        public void load() throws IOException {
            // This test needs the allocation to cause an OOM.
            @SuppressWarnings("unused") byte[] largeBuffer = new byte[Integer.MAX_VALUE];
        }

        @Override
        public void cancelLoad() {
        }
    };
    // Create 3 samples without end of stream signal to test that all 3 samples are
    // still played before the sample stream exception is thrown.
    FakeSampleStreamItem sample = oneByteSample(TimelineWindowDefinition.DEFAULT_WINDOW_OFFSET_IN_FIRST_PERIOD_US, C.BUFFER_FLAG_KEY_FRAME);
    FakeMediaPeriod.TrackDataFactory threeSamplesWithoutEos = (format, mediaPeriodId) -> ImmutableList.of(sample, sample, sample);
    MediaSource largeBufferAllocatingMediaSource = 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, threeSamplesWithoutEos, mediaSourceEventDispatcher, drmSessionManager, drmEventDispatcher, /* deferOnPrepared= */
            false) {

                private final Loader loader = new Loader("ExoPlayerTest");

                @Override
                public boolean continueLoading(long positionUs) {
                    super.continueLoading(positionUs);
                    if (!loader.isLoading()) {
                        loader.startLoading(loadable, new FakeLoaderCallback(), /* defaultMinRetryCount= */
                        1);
                    }
                    return true;
                }

                @Override
                protected FakeSampleStream createSampleStream(Allocator allocator, @Nullable MediaSourceEventListener.EventDispatcher mediaSourceEventDispatcher, DrmSessionManager drmSessionManager, DrmSessionEventListener.EventDispatcher drmEventDispatcher, Format initialFormat, List<FakeSampleStreamItem> fakeSampleStreamItems) {
                    return new FakeSampleStream(allocator, mediaSourceEventDispatcher, drmSessionManager, drmEventDispatcher, initialFormat, fakeSampleStreamItems) {

                        @Override
                        public void maybeThrowError() throws IOException {
                            loader.maybeThrowError();
                        }
                    };
                }
            };
        }
    };
    FakeRenderer renderer = new FakeRenderer(C.TRACK_TYPE_VIDEO);
    ExoPlayerTestRunner testRunner = new ExoPlayerTestRunner.Builder(context).setMediaSources(largeBufferAllocatingMediaSource).setRenderers(renderer).build();
    ExoPlaybackException exception = assertThrows(ExoPlaybackException.class, () -> testRunner.start().blockUntilEnded(TIMEOUT_MS));
    assertThat(exception.type).isEqualTo(ExoPlaybackException.TYPE_SOURCE);
    assertThat(exception.getSourceException()).isInstanceOf(Loader.UnexpectedLoaderException.class);
    assertThat(exception.getSourceException().getCause()).isInstanceOf(OutOfMemoryError.class);
    assertThat(renderer.sampleBufferReadCount).isEqualTo(3);
}

Example 7 with Loader

use of com.google.android.exoplayer2.upstream.Loader in project ExoPlayer by google.

the class SsMediaSource method prepareSource.

// MediaSource implementation.
@Override
public void prepareSource(ExoPlayer player, boolean isTopLevelSource, Listener listener) {
    sourceListener = listener;
    if (manifest != null) {
        manifestLoaderErrorThrower = new LoaderErrorThrower.Dummy();
        processManifest();
    } else {
        manifestDataSource = manifestDataSourceFactory.createDataSource();
        manifestLoader = new Loader("Loader:Manifest");
        manifestLoaderErrorThrower = manifestLoader;
        manifestRefreshHandler = new Handler();
        startLoadingManifest();
    }
}

Example 8 with Loader

use of com.google.android.exoplayer2.upstream.Loader in project ExoPlayer by google.

the class DefaultHlsPlaylistTracker method start.

// HlsPlaylistTracker implementation.
@Override
public void start(Uri initialPlaylistUri, EventDispatcher eventDispatcher, PrimaryPlaylistListener primaryPlaylistListener) {
    this.playlistRefreshHandler = Util.createHandlerForCurrentLooper();
    this.eventDispatcher = eventDispatcher;
    this.primaryPlaylistListener = primaryPlaylistListener;
    ParsingLoadable<HlsPlaylist> multivariantPlaylistLoadable = new ParsingLoadable<>(dataSourceFactory.createDataSource(C.DATA_TYPE_MANIFEST), initialPlaylistUri, C.DATA_TYPE_MANIFEST, playlistParserFactory.createPlaylistParser());
    Assertions.checkState(initialPlaylistLoader == null);
    initialPlaylistLoader = new Loader("DefaultHlsPlaylistTracker:MultivariantPlaylist");
    long elapsedRealtime = initialPlaylistLoader.startLoading(multivariantPlaylistLoadable, this, loadErrorHandlingPolicy.getMinimumLoadableRetryCount(multivariantPlaylistLoadable.type));
    eventDispatcher.loadStarted(new LoadEventInfo(multivariantPlaylistLoadable.loadTaskId, multivariantPlaylistLoadable.dataSpec, elapsedRealtime), multivariantPlaylistLoadable.type);
}

Example 9 with Loader

use of com.google.android.exoplayer2.upstream.Loader in project ExoPlayer by google.

the class DashMediaSource method prepareSourceInternal.

@Override
protected void prepareSourceInternal(@Nullable TransferListener mediaTransferListener) {
    this.mediaTransferListener = mediaTransferListener;
    drmSessionManager.prepare();
    drmSessionManager.setPlayer(/* playbackLooper= */
    Looper.myLooper(), getPlayerId());
    if (sideloadedManifest) {
        processManifest(false);
    } else {
        dataSource = manifestDataSourceFactory.createDataSource();
        loader = new Loader("DashMediaSource");
        handler = Util.createHandlerForCurrentLooper();
        startLoadingManifest();
    }
}