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

Example 1 with LoadErrorHandlingPolicy

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

the class ChunkSampleStream method onLoadError.

@Override
public LoadErrorAction onLoadError(Chunk loadable, long elapsedRealtimeMs, long loadDurationMs, IOException error, int errorCount) {
    long bytesLoaded = loadable.bytesLoaded();
    boolean isMediaChunk = isMediaChunk(loadable);
    int lastChunkIndex = mediaChunks.size() - 1;
    boolean cancelable = bytesLoaded == 0 || !isMediaChunk || !haveReadFromMediaChunk(lastChunkIndex);
    LoadEventInfo loadEventInfo = new LoadEventInfo(loadable.loadTaskId, loadable.dataSpec, loadable.getUri(), loadable.getResponseHeaders(), elapsedRealtimeMs, loadDurationMs, bytesLoaded);
    MediaLoadData mediaLoadData = new MediaLoadData(loadable.type, primaryTrackType, loadable.trackFormat, loadable.trackSelectionReason, loadable.trackSelectionData, Util.usToMs(loadable.startTimeUs), Util.usToMs(loadable.endTimeUs));
    LoadErrorInfo loadErrorInfo = new LoadErrorInfo(loadEventInfo, mediaLoadData, error, errorCount);
    @Nullable LoadErrorAction loadErrorAction = null;
    if (chunkSource.onChunkLoadError(loadable, cancelable, loadErrorInfo, loadErrorHandlingPolicy)) {
        if (cancelable) {
            loadErrorAction = Loader.DONT_RETRY;
            if (isMediaChunk) {
                BaseMediaChunk removed = discardUpstreamMediaChunksFromIndex(lastChunkIndex);
                Assertions.checkState(removed == loadable);
                if (mediaChunks.isEmpty()) {
                    pendingResetPositionUs = lastSeekPositionUs;
                }
            }
        } else {
            Log.w(TAG, "Ignoring attempt to cancel non-cancelable load.");
        }
    }
    if (loadErrorAction == null) {
        // The load was not cancelled. Either the load must be retried or the error propagated.
        long retryDelayMs = loadErrorHandlingPolicy.getRetryDelayMsFor(loadErrorInfo);
        loadErrorAction = retryDelayMs != C.TIME_UNSET ? Loader.createRetryAction(/* resetErrorCount= */
        false, retryDelayMs) : Loader.DONT_RETRY_FATAL;
    }
    boolean canceled = !loadErrorAction.isRetry();
    mediaSourceEventDispatcher.loadError(loadEventInfo, loadable.type, primaryTrackType, loadable.trackFormat, loadable.trackSelectionReason, loadable.trackSelectionData, loadable.startTimeUs, loadable.endTimeUs, error, canceled);
    if (canceled) {
        loadingChunk = null;
        loadErrorHandlingPolicy.onLoadTaskConcluded(loadable.loadTaskId);
        callback.onContinueLoadingRequested(this);
    }
    return loadErrorAction;
}

Example 2 with LoadErrorHandlingPolicy

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

the class DashMediaPeriod method buildSampleStream.

private ChunkSampleStream<DashChunkSource> buildSampleStream(TrackGroupInfo trackGroupInfo, ExoTrackSelection selection, long positionUs) {
    int embeddedTrackCount = 0;
    boolean enableEventMessageTrack = trackGroupInfo.embeddedEventMessageTrackGroupIndex != C.INDEX_UNSET;
    TrackGroup embeddedEventMessageTrackGroup = null;
    if (enableEventMessageTrack) {
        embeddedEventMessageTrackGroup = trackGroups.get(trackGroupInfo.embeddedEventMessageTrackGroupIndex);
        embeddedTrackCount++;
    }
    boolean enableClosedCaptionTrack = trackGroupInfo.embeddedClosedCaptionTrackGroupIndex != C.INDEX_UNSET;
    TrackGroup embeddedClosedCaptionTrackGroup = null;
    if (enableClosedCaptionTrack) {
        embeddedClosedCaptionTrackGroup = trackGroups.get(trackGroupInfo.embeddedClosedCaptionTrackGroupIndex);
        embeddedTrackCount += embeddedClosedCaptionTrackGroup.length;
    }
    Format[] embeddedTrackFormats = new Format[embeddedTrackCount];
    int[] embeddedTrackTypes = new int[embeddedTrackCount];
    embeddedTrackCount = 0;
    if (enableEventMessageTrack) {
        embeddedTrackFormats[embeddedTrackCount] = embeddedEventMessageTrackGroup.getFormat(0);
        embeddedTrackTypes[embeddedTrackCount] = C.TRACK_TYPE_METADATA;
        embeddedTrackCount++;
    }
    List<Format> embeddedClosedCaptionTrackFormats = new ArrayList<>();
    if (enableClosedCaptionTrack) {
        for (int i = 0; i < embeddedClosedCaptionTrackGroup.length; i++) {
            embeddedTrackFormats[embeddedTrackCount] = embeddedClosedCaptionTrackGroup.getFormat(i);
            embeddedTrackTypes[embeddedTrackCount] = C.TRACK_TYPE_TEXT;
            embeddedClosedCaptionTrackFormats.add(embeddedTrackFormats[embeddedTrackCount]);
            embeddedTrackCount++;
        }
    }
    PlayerTrackEmsgHandler trackPlayerEmsgHandler = manifest.dynamic && enableEventMessageTrack ? playerEmsgHandler.newPlayerTrackEmsgHandler() : null;
    DashChunkSource chunkSource = chunkSourceFactory.createDashChunkSource(manifestLoaderErrorThrower, manifest, baseUrlExclusionList, periodIndex, trackGroupInfo.adaptationSetIndices, selection, trackGroupInfo.trackType, elapsedRealtimeOffsetMs, enableEventMessageTrack, embeddedClosedCaptionTrackFormats, trackPlayerEmsgHandler, transferListener, playerId);
    ChunkSampleStream<DashChunkSource> stream = new ChunkSampleStream<>(trackGroupInfo.trackType, embeddedTrackTypes, embeddedTrackFormats, chunkSource, this, allocator, positionUs, drmSessionManager, drmEventDispatcher, loadErrorHandlingPolicy, mediaSourceEventDispatcher);
    synchronized (this) {
        // The map is also accessed on the loading thread so synchronize access.
        trackEmsgHandlerBySampleStream.put(stream, trackPlayerEmsgHandler);
    }
    return stream;
}

Example 3 with LoadErrorHandlingPolicy

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

the class DefaultDashChunkSource method onChunkLoadError.

@Override
public boolean onChunkLoadError(Chunk chunk, boolean cancelable, LoadErrorHandlingPolicy.LoadErrorInfo loadErrorInfo, LoadErrorHandlingPolicy loadErrorHandlingPolicy) {
    if (!cancelable) {
        return false;
    }
    if (playerTrackEmsgHandler != null && playerTrackEmsgHandler.onChunkLoadError(chunk)) {
        return true;
    }
    // Workaround for missing segment at the end of the period
    if (!manifest.dynamic && chunk instanceof MediaChunk && loadErrorInfo.exception instanceof InvalidResponseCodeException && ((InvalidResponseCodeException) loadErrorInfo.exception).responseCode == 404) {
        RepresentationHolder representationHolder = representationHolders[trackSelection.indexOf(chunk.trackFormat)];
        long segmentCount = representationHolder.getSegmentCount();
        if (segmentCount != DashSegmentIndex.INDEX_UNBOUNDED && segmentCount != 0) {
            long lastAvailableSegmentNum = representationHolder.getFirstSegmentNum() + segmentCount - 1;
            if (((MediaChunk) chunk).getNextChunkIndex() > lastAvailableSegmentNum) {
                missingLastSegment = true;
                return true;
            }
        }
    }
    int trackIndex = trackSelection.indexOf(chunk.trackFormat);
    RepresentationHolder representationHolder = representationHolders[trackIndex];
    @Nullable BaseUrl newBaseUrl = baseUrlExclusionList.selectBaseUrl(representationHolder.representation.baseUrls);
    if (newBaseUrl != null && !representationHolder.selectedBaseUrl.equals(newBaseUrl)) {
        // which will use the new base URL.
        return true;
    }
    LoadErrorHandlingPolicy.FallbackOptions fallbackOptions = createFallbackOptions(trackSelection, representationHolder.representation.baseUrls);
    if (!fallbackOptions.isFallbackAvailable(LoadErrorHandlingPolicy.FALLBACK_TYPE_TRACK) && !fallbackOptions.isFallbackAvailable(LoadErrorHandlingPolicy.FALLBACK_TYPE_LOCATION)) {
        return false;
    }
    @Nullable LoadErrorHandlingPolicy.FallbackSelection fallbackSelection = loadErrorHandlingPolicy.getFallbackSelectionFor(fallbackOptions, loadErrorInfo);
    if (fallbackSelection == null || !fallbackOptions.isFallbackAvailable(fallbackSelection.type)) {
        // Policy indicated to not use any fallback or a fallback type that is not available.
        return false;
    }
    boolean cancelLoad = false;
    if (fallbackSelection.type == LoadErrorHandlingPolicy.FALLBACK_TYPE_TRACK) {
        cancelLoad = trackSelection.blacklist(trackSelection.indexOf(chunk.trackFormat), fallbackSelection.exclusionDurationMs);
    } else if (fallbackSelection.type == LoadErrorHandlingPolicy.FALLBACK_TYPE_LOCATION) {
        baseUrlExclusionList.exclude(representationHolder.selectedBaseUrl, fallbackSelection.exclusionDurationMs);
        cancelLoad = true;
    }
    return cancelLoad;
}

Example 4 with LoadErrorHandlingPolicy

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

the class DefaultDashChunkSourceTest method getNextChunk_onChunkLoadErrorExclusionDisabled_neverRequestReplacementChunk.

@Test
public void getNextChunk_onChunkLoadErrorExclusionDisabled_neverRequestReplacementChunk() throws Exception {
    DefaultLoadErrorHandlingPolicy loadErrorHandlingPolicy = new DefaultLoadErrorHandlingPolicy() {

        @Override
        @Nullable
        public FallbackSelection getFallbackSelectionFor(FallbackOptions fallbackOptions, LoadErrorInfo loadErrorInfo) {
            // Never exclude, neither tracks nor locations.
            return null;
        }
    };
    DashChunkSource chunkSource = createDashChunkSource(/* numberOfTracks= */
    2);
    ChunkHolder output = new ChunkHolder();
    chunkSource.getNextChunk(/* playbackPositionUs= */
    0, /* loadPositionUs= */
    0, /* queue= */
    ImmutableList.of(), output);
    boolean requestReplacementChunk = chunkSource.onChunkLoadError(checkNotNull(output.chunk), /* cancelable= */
    true, createFakeLoadErrorInfo(output.chunk.dataSpec, /* httpResponseCode= */
    404, /* errorCount= */
    1), loadErrorHandlingPolicy);
    assertThat(requestReplacementChunk).isFalse();
}

Example 5 with LoadErrorHandlingPolicy

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

the class DefaultDashChunkSourceTest method getNextChunk_onChunkLoadErrorLocationExclusionEnabled_correctFallbackBehavior.

@Test
public void getNextChunk_onChunkLoadErrorLocationExclusionEnabled_correctFallbackBehavior() throws Exception {
    DefaultLoadErrorHandlingPolicy loadErrorHandlingPolicy = new DefaultLoadErrorHandlingPolicy() {

        @Override
        public FallbackSelection getFallbackSelectionFor(FallbackOptions fallbackOptions, LoadErrorInfo loadErrorInfo) {
            return new FallbackSelection(FALLBACK_TYPE_LOCATION, DEFAULT_LOCATION_EXCLUSION_MS);
        }
    };
    List<Chunk> chunks = new ArrayList<>();
    DashChunkSource chunkSource = createDashChunkSource(/* numberOfTracks= */
    1);
    ChunkHolder output = new ChunkHolder();
    boolean requestReplacementChunk = true;
    while (requestReplacementChunk) {
        chunkSource.getNextChunk(/* playbackPositionUs= */
        0, /* loadPositionUs= */
        0, /* queue= */
        ImmutableList.of(), output);
        chunks.add(output.chunk);
        requestReplacementChunk = chunkSource.onChunkLoadError(checkNotNull(output.chunk), /* cancelable= */
        true, createFakeLoadErrorInfo(output.chunk.dataSpec, /* httpResponseCode= */
        404, /* errorCount= */
        1), loadErrorHandlingPolicy);
    }
    assertThat(Lists.transform(chunks, (chunk) -> chunk.dataSpec.uri.toString())).containsExactly("http://video.com/baseUrl/a/video/video_0_1300000.m4s", "http://video.com/baseUrl/b/video/video_0_1300000.m4s", "http://video.com/baseUrl/d/video/video_0_1300000.m4s").inOrder();
    // Assert expiration of exclusions.
    ShadowSystemClock.advanceBy(Duration.ofMillis(DEFAULT_LOCATION_EXCLUSION_MS));
    chunkSource.onChunkLoadError(checkNotNull(output.chunk), /* cancelable= */
    true, createFakeLoadErrorInfo(output.chunk.dataSpec, /* httpResponseCode= */
    404, /* errorCount= */
    1), loadErrorHandlingPolicy);
    chunkSource.getNextChunk(/* playbackPositionUs= */
    0, /* loadPositionUs= */
    0, /* queue= */
    ImmutableList.of(), output);
    assertThat(output.chunk.dataSpec.uri.toString()).isEqualTo("http://video.com/baseUrl/a/video/video_0_1300000.m4s");
}