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Example 6 with Allocation

use of com.google.android.exoplayer2.upstream.Allocation 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);
}
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Example 7 with Allocation

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

the class SampleDataQueue method readData.

/**
 * Reads data from {@code allocationNode} and its following nodes.
 *
 * @param allocationNode The first {@link AllocationNode} containing data yet to be read.
 * @param absolutePosition The absolute position from which data should be read.
 * @param target The array into which data should be written.
 * @param length The number of bytes to read.
 * @return The first {@link AllocationNode} that contains unread bytes after this method returns.
 */
private static AllocationNode readData(AllocationNode allocationNode, long absolutePosition, byte[] target, int length) {
    allocationNode = getNodeContainingPosition(allocationNode, absolutePosition);
    int remaining = length;
    while (remaining > 0) {
        int toCopy = min(remaining, (int) (allocationNode.endPosition - absolutePosition));
        Allocation allocation = allocationNode.allocation;
        System.arraycopy(allocation.data, allocationNode.translateOffset(absolutePosition), target, length - remaining, toCopy);
        remaining -= toCopy;
        absolutePosition += toCopy;
        if (absolutePosition == allocationNode.endPosition) {
            allocationNode = allocationNode.next;
        }
    }
    return allocationNode;
}
Also used : Allocation(com.google.android.exoplayer2.upstream.Allocation)

Aggregations

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