Examples with Extractor com.google.android.exoplayer2.extractor.Extractor used on opensource projects

Example 56 with Extractor

use of com.google.android.exoplayer2.extractor.Extractor in project ExoPlayer by google.

the class TestUtil method consumeTestData.

private static void consumeTestData(Extractor extractor, FakeExtractorInput input, long timeUs, FakeExtractorOutput output, boolean retryFromStartIfLive) throws IOException, InterruptedException {
    extractor.seek(input.getPosition(), timeUs);
    PositionHolder seekPositionHolder = new PositionHolder();
    int readResult = Extractor.RESULT_CONTINUE;
    while (readResult != Extractor.RESULT_END_OF_INPUT) {
        try {
            // Extractor.read should not read seekPositionHolder.position. Set it to a value that's
            // likely to cause test failure if a read does occur.
            seekPositionHolder.position = Long.MIN_VALUE;
            readResult = extractor.read(input, seekPositionHolder);
            if (readResult == Extractor.RESULT_SEEK) {
                long seekPosition = seekPositionHolder.position;
                Assertions.checkState(0 <= seekPosition && seekPosition <= Integer.MAX_VALUE);
                input.setPosition((int) seekPosition);
            }
        } catch (SimulatedIOException e) {
            if (!retryFromStartIfLive) {
                continue;
            }
            boolean isOnDemand = input.getLength() != C.LENGTH_UNSET || (output.seekMap != null && output.seekMap.getDurationUs() != C.TIME_UNSET);
            if (isOnDemand) {
                continue;
            }
            input.setPosition(0);
            for (int i = 0; i < output.numberOfTracks; i++) {
                output.trackOutputs.valueAt(i).clear();
            }
            extractor.seek(0, 0);
        }
    }
}

Example 57 with Extractor

use of com.google.android.exoplayer2.extractor.Extractor in project ExoPlayer by google.

the class TestUtil method assertOutput.

/**
   * Asserts that {@code extractor} consumes {@code sampleFile} successfully and its output equals
   * to a prerecorded output dump file with the name {@code sampleFile} + "{@value
   * #DUMP_EXTENSION}". If {@code simulateUnknownLength} is true and {@code sampleFile} + "{@value
   * #UNKNOWN_LENGTH_EXTENSION}" exists, it's preferred.
   *
   * @param extractor The {@link Extractor} to be tested.
   * @param sampleFile The path to the input sample.
   * @param fileData Content of the input file.
   * @param instrumentation To be used to load the sample file.
   * @param simulateIOErrors If true simulates IOErrors.
   * @param simulateUnknownLength If true simulates unknown input length.
   * @param simulatePartialReads If true simulates partial reads.
   * @return The {@link FakeExtractorOutput} used in the test.
   * @throws IOException If reading from the input fails.
   * @throws InterruptedException If interrupted while reading from the input.
   */
public static FakeExtractorOutput assertOutput(Extractor extractor, String sampleFile, byte[] fileData, Instrumentation instrumentation, boolean simulateIOErrors, boolean simulateUnknownLength, boolean simulatePartialReads) throws IOException, InterruptedException {
    FakeExtractorInput input = new FakeExtractorInput.Builder().setData(fileData).setSimulateIOErrors(simulateIOErrors).setSimulateUnknownLength(simulateUnknownLength).setSimulatePartialReads(simulatePartialReads).build();
    Assert.assertTrue(sniffTestData(extractor, input));
    input.resetPeekPosition();
    FakeExtractorOutput extractorOutput = consumeTestData(extractor, input, 0, true);
    if (simulateUnknownLength && assetExists(instrumentation, sampleFile + UNKNOWN_LENGTH_EXTENSION)) {
        extractorOutput.assertOutput(instrumentation, sampleFile + UNKNOWN_LENGTH_EXTENSION);
    } else {
        extractorOutput.assertOutput(instrumentation, sampleFile + ".0" + DUMP_EXTENSION);
    }
    SeekMap seekMap = extractorOutput.seekMap;
    if (seekMap.isSeekable()) {
        long durationUs = seekMap.getDurationUs();
        for (int j = 0; j < 4; j++) {
            long timeUs = (durationUs * j) / 3;
            long position = seekMap.getPosition(timeUs);
            input.setPosition((int) position);
            for (int i = 0; i < extractorOutput.numberOfTracks; i++) {
                extractorOutput.trackOutputs.valueAt(i).clear();
            }
            consumeTestData(extractor, input, timeUs, extractorOutput, false);
            extractorOutput.assertOutput(instrumentation, sampleFile + '.' + j + DUMP_EXTENSION);
        }
    }
    return extractorOutput;
}

Example 58 with Extractor

use of com.google.android.exoplayer2.extractor.Extractor in project ExoPlayer by google.

the class TsExtractorTest method testIncompleteSample.

public void testIncompleteSample() throws Exception {
    Random random = new Random(0);
    byte[] fileData = TestUtil.getByteArray(getInstrumentation(), "ts/sample.ts");
    ByteArrayOutputStream out = new ByteArrayOutputStream(fileData.length * 2);
    writeJunkData(out, random.nextInt(TS_PACKET_SIZE - 1) + 1);
    out.write(fileData, 0, TS_PACKET_SIZE * 5);
    for (int i = TS_PACKET_SIZE * 5; i < fileData.length; i += TS_PACKET_SIZE) {
        writeJunkData(out, random.nextInt(TS_PACKET_SIZE));
        out.write(fileData, i, TS_PACKET_SIZE);
    }
    out.write(TS_SYNC_BYTE);
    writeJunkData(out, random.nextInt(TS_PACKET_SIZE - 1) + 1);
    fileData = out.toByteArray();
    TestUtil.assertOutput(new TestUtil.ExtractorFactory() {

        @Override
        public Extractor create() {
            return new TsExtractor();
        }
    }, "ts/sample.ts", fileData, getInstrumentation());
}

Example 59 with Extractor

use of com.google.android.exoplayer2.extractor.Extractor in project ExoPlayer by google.

the class HlsMediaChunk method createExtractor.

private Extractor createExtractor() {
    // Select the extractor that will read the chunk.
    Extractor extractor;
    boolean usingNewExtractor = true;
    if (MimeTypes.TEXT_VTT.equals(hlsUrl.format.sampleMimeType) || lastPathSegment.endsWith(WEBVTT_FILE_EXTENSION) || lastPathSegment.endsWith(VTT_FILE_EXTENSION)) {
        extractor = new WebvttExtractor(trackFormat.language, timestampAdjuster);
    } else if (!needNewExtractor) {
        // Only reuse TS and fMP4 extractors.
        usingNewExtractor = false;
        extractor = previousExtractor;
    } else if (lastPathSegment.endsWith(MP4_FILE_EXTENSION) || lastPathSegment.startsWith(M4_FILE_EXTENSION_PREFIX, lastPathSegment.length() - 4)) {
        extractor = new FragmentedMp4Extractor(0, timestampAdjuster);
    } else {
        // MPEG-2 TS segments, but we need a new extractor.
        // This flag ensures the change of pid between streams does not affect the sample queues.
        @DefaultTsPayloadReaderFactory.Flags int esReaderFactoryFlags = DefaultTsPayloadReaderFactory.FLAG_IGNORE_SPLICE_INFO_STREAM;
        if (!muxedCaptionFormats.isEmpty()) {
            // The playlist declares closed caption renditions, we should ignore descriptors.
            esReaderFactoryFlags |= DefaultTsPayloadReaderFactory.FLAG_OVERRIDE_CAPTION_DESCRIPTORS;
        }
        String codecs = trackFormat.codecs;
        if (!TextUtils.isEmpty(codecs)) {
            // explicitly ignore them even if they're declared.
            if (!MimeTypes.AUDIO_AAC.equals(MimeTypes.getAudioMediaMimeType(codecs))) {
                esReaderFactoryFlags |= DefaultTsPayloadReaderFactory.FLAG_IGNORE_AAC_STREAM;
            }
            if (!MimeTypes.VIDEO_H264.equals(MimeTypes.getVideoMediaMimeType(codecs))) {
                esReaderFactoryFlags |= DefaultTsPayloadReaderFactory.FLAG_IGNORE_H264_STREAM;
            }
        }
        extractor = new TsExtractor(TsExtractor.MODE_HLS, timestampAdjuster, new DefaultTsPayloadReaderFactory(esReaderFactoryFlags, muxedCaptionFormats));
    }
    if (usingNewExtractor) {
        extractor.init(extractorOutput);
    }
    return extractor;
}

Example 60 with Extractor

use of com.google.android.exoplayer2.extractor.Extractor in project android-UniversalMusicPlayer by googlesamples.

the class LocalPlayback method play.

@Override
public void play(QueueItem item) {
    mPlayOnFocusGain = true;
    tryToGetAudioFocus();
    registerAudioNoisyReceiver();
    String mediaId = item.getDescription().getMediaId();
    boolean mediaHasChanged = !TextUtils.equals(mediaId, mCurrentMediaId);
    if (mediaHasChanged) {
        mCurrentMediaId = mediaId;
    }
    if (mediaHasChanged || mExoPlayer == null) {
        // release everything except the player
        releaseResources(false);
        MediaMetadataCompat track = mMusicProvider.getMusic(MediaIDHelper.extractMusicIDFromMediaID(item.getDescription().getMediaId()));
        String source = track.getString(MusicProviderSource.CUSTOM_METADATA_TRACK_SOURCE);
        if (source != null) {
            // Escape spaces for URLs
            source = source.replaceAll(" ", "%20");
        }
        if (mExoPlayer == null) {
            mExoPlayer = ExoPlayerFactory.newSimpleInstance(mContext, new DefaultTrackSelector(), new DefaultLoadControl());
            mExoPlayer.addListener(mEventListener);
        }
        // Android "O" makes much greater use of AudioAttributes, especially
        // with regards to AudioFocus. All of UAMP's tracks are music, but
        // if your content includes spoken word such as audiobooks or podcasts
        // then the content type should be set to CONTENT_TYPE_SPEECH for those
        // tracks.
        final AudioAttributes audioAttributes = new AudioAttributes.Builder().setContentType(CONTENT_TYPE_MUSIC).setUsage(USAGE_MEDIA).build();
        mExoPlayer.setAudioAttributes(audioAttributes);
        // Produces DataSource instances through which media data is loaded.
        DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(mContext, Util.getUserAgent(mContext, "uamp"), null);
        // Produces Extractor instances for parsing the media data.
        ExtractorsFactory extractorsFactory = new DefaultExtractorsFactory();
        // The MediaSource represents the media to be played.
        MediaSource mediaSource = new ExtractorMediaSource(Uri.parse(source), dataSourceFactory, extractorsFactory, null, null);
        // Prepares media to play (happens on background thread) and triggers
        // {@code onPlayerStateChanged} callback when the stream is ready to play.
        mExoPlayer.prepare(mediaSource);
        // If we are streaming from the internet, we want to hold a
        // Wifi lock, which prevents the Wifi radio from going to
        // sleep while the song is playing.
        mWifiLock.acquire();
    }
    configurePlayerState();
}