Examples with EnsuresNonNull org.checkerframework.checker.nullness.qual.EnsuresNonNull used on opensource projects

Example 6 with EnsuresNonNull

use of org.checkerframework.checker.nullness.qual.EnsuresNonNull in project ExoPlayer by google.

the class HlsMediaChunk method prepareExtraction.

@RequiresNonNull("output")
@EnsuresNonNull("extractor")
private DefaultExtractorInput prepareExtraction(DataSource dataSource, DataSpec dataSpec, boolean initializeTimestampAdjuster) throws IOException {
    long bytesToRead = dataSource.open(dataSpec);
    if (initializeTimestampAdjuster) {
        try {
            timestampAdjuster.sharedInitializeOrWait(isMasterTimestampSource, startTimeUs);
        } catch (InterruptedException e) {
            throw new InterruptedIOException();
        }
    }
    DefaultExtractorInput extractorInput = new DefaultExtractorInput(dataSource, dataSpec.position, bytesToRead);
    if (extractor == null) {
        long id3Timestamp = peekId3PrivTimestamp(extractorInput);
        extractorInput.resetPeekPosition();
        extractor = previousExtractor != null ? previousExtractor.recreate() : extractorFactory.createExtractor(dataSpec.uri, trackFormat, muxedCaptionFormats, timestampAdjuster, dataSource.getResponseHeaders(), extractorInput, playerId);
        if (extractor.isPackedAudioExtractor()) {
            output.setSampleOffsetUs(id3Timestamp != C.TIME_UNSET ? timestampAdjuster.adjustTsTimestamp(id3Timestamp) : startTimeUs);
        } else {
            // In case the container format changes mid-stream to non-packed-audio, we need to reset
            // the timestamp offset.
            output.setSampleOffsetUs(/* sampleOffsetUs= */
            0L);
        }
        output.onNewExtractor();
        extractor.init(output);
    }
    output.setDrmInitData(drmInitData);
    return extractorInput;
}