Examples with C androidx.media3.common.C used on opensource projects

Example 16 with C

use of androidx.media3.common.C in project media by androidx.

the class DefaultTrackSelectorTest method selectTracksSelectTrackWithSelectionFlag.

/**
 * Tests that track selector will select audio track with {@link C#SELECTION_FLAG_DEFAULT} given
 * default values of {@link Parameters}.
 */
@Test
public void selectTracksSelectTrackWithSelectionFlag() throws Exception {
    Format.Builder formatBuilder = AUDIO_FORMAT.buildUpon();
    Format audioFormat = formatBuilder.setSelectionFlags(0).build();
    Format formatWithSelectionFlag = formatBuilder.setSelectionFlags(C.SELECTION_FLAG_DEFAULT).build();
    TrackGroupArray trackGroups = wrapFormats(audioFormat, formatWithSelectionFlag);
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_AUDIO_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, formatWithSelectionFlag);
}

Example 17 with C

use of androidx.media3.common.C in project media by androidx.

the class DefaultTrackSelectorTest method selectTracksSelectPreferredAudioLanguageOverSelectionFlag.

/**
 * Tests that track selector will prefer selecting audio track with language that match preferred
 * language given by {@link Parameters} over track with {@link C#SELECTION_FLAG_DEFAULT}.
 */
@Test
public void selectTracksSelectPreferredAudioLanguageOverSelectionFlag() throws Exception {
    Format.Builder formatBuilder = AUDIO_FORMAT.buildUpon();
    Format frDefaultFormat = formatBuilder.setLanguage("fra").setSelectionFlags(C.SELECTION_FLAG_DEFAULT).build();
    Format enNonDefaultFormat = formatBuilder.setLanguage("eng").setSelectionFlags(0).build();
    TrackGroupArray trackGroups = wrapFormats(frDefaultFormat, enNonDefaultFormat);
    trackSelector.setParameters(defaultParameters.buildUpon().setPreferredAudioLanguage("eng"));
    TrackSelectorResult result = trackSelector.selectTracks(new RendererCapabilities[] { ALL_AUDIO_FORMAT_SUPPORTED_RENDERER_CAPABILITIES }, trackGroups, periodId, TIMELINE);
    assertFixedSelection(result.selections[0], trackGroups, enNonDefaultFormat);
}

Example 18 with C

use of androidx.media3.common.C in project media by androidx.

the class SampleQueueTest method assertReadSample.

/**
 * Asserts {@link SampleQueue#read} returns {@link C#RESULT_BUFFER_READ} and that the buffer is
 * filled with the specified sample data.
 *
 * @param timeUs The expected buffer timestamp.
 * @param isKeyFrame The expected keyframe flag.
 * @param isDecodeOnly The expected decodeOnly flag.
 * @param isEncrypted The expected encrypted flag.
 * @param sampleData An array containing the expected sample data.
 * @param offset The offset in {@code sampleData} of the expected sample data.
 * @param length The length of the expected sample data.
 */
private void assertReadSample(long timeUs, boolean isKeyFrame, boolean isDecodeOnly, boolean isEncrypted, byte[] sampleData, int offset, int length) {
    // Check that peek whilst omitting data yields the expected values.
    formatHolder.format = null;
    DecoderInputBuffer flagsOnlyBuffer = DecoderInputBuffer.newNoDataInstance();
    int result = sampleQueue.read(formatHolder, flagsOnlyBuffer, FLAG_OMIT_SAMPLE_DATA | FLAG_PEEK, /* loadingFinished= */
    false);
    assertSampleBufferReadResult(flagsOnlyBuffer, result, timeUs, isKeyFrame, isDecodeOnly, isEncrypted);
    // Check that peek yields the expected values.
    clearFormatHolderAndInputBuffer();
    result = sampleQueue.read(formatHolder, inputBuffer, FLAG_PEEK, /* loadingFinished= */
    false);
    assertSampleBufferReadResult(result, timeUs, isKeyFrame, isDecodeOnly, isEncrypted, sampleData, offset, length);
    // Check that read yields the expected values.
    clearFormatHolderAndInputBuffer();
    result = sampleQueue.read(formatHolder, inputBuffer, /* readFlags= */
    0, /* loadingFinished= */
    false);
    assertSampleBufferReadResult(result, timeUs, isKeyFrame, isDecodeOnly, isEncrypted, sampleData, offset, length);
}

Example 19 with C

use of androidx.media3.common.C in project media by androidx.

the class TestUtil method seekToTimeUs.

/**
 * Seeks to the given seek time of the stream from the given input, and keeps reading from the
 * input until we can extract at least one sample following the seek position, or until
 * end-of-input is reached.
 *
 * @param extractor The {@link Extractor} to extract from input.
 * @param seekMap The {@link SeekMap} of the stream from the given input.
 * @param seekTimeUs The seek time, in micro-seconds.
 * @param trackOutput The {@link FakeTrackOutput} to store the extracted samples.
 * @param dataSource The {@link DataSource} that will be used to read from the input.
 * @param uri The Uri of the input.
 * @return The index of the first extracted sample written to the given {@code trackOutput} after
 *     the seek is completed, or {@link C#INDEX_UNSET} if the seek is completed without any
 *     extracted sample.
 */
public static int seekToTimeUs(Extractor extractor, SeekMap seekMap, long seekTimeUs, DataSource dataSource, FakeTrackOutput trackOutput, Uri uri) throws IOException {
    int numSampleBeforeSeek = trackOutput.getSampleCount();
    SeekMap.SeekPoints seekPoints = seekMap.getSeekPoints(seekTimeUs);
    long initialSeekLoadPosition = seekPoints.first.position;
    extractor.seek(initialSeekLoadPosition, seekTimeUs);
    PositionHolder positionHolder = new PositionHolder();
    positionHolder.position = C.POSITION_UNSET;
    ExtractorInput extractorInput = TestUtil.getExtractorInputFromPosition(dataSource, initialSeekLoadPosition, uri);
    int extractorReadResult = Extractor.RESULT_CONTINUE;
    while (true) {
        try {
            // Keep reading until we can read at least one sample after seek
            while (extractorReadResult == Extractor.RESULT_CONTINUE && trackOutput.getSampleCount() == numSampleBeforeSeek) {
                extractorReadResult = extractor.read(extractorInput, positionHolder);
            }
        } finally {
            DataSourceUtil.closeQuietly(dataSource);
        }
        if (extractorReadResult == Extractor.RESULT_SEEK) {
            extractorInput = TestUtil.getExtractorInputFromPosition(dataSource, positionHolder.position, uri);
            extractorReadResult = Extractor.RESULT_CONTINUE;
        } else if (extractorReadResult == Extractor.RESULT_END_OF_INPUT && trackOutput.getSampleCount() == numSampleBeforeSeek) {
            return C.INDEX_UNSET;
        } else if (trackOutput.getSampleCount() > numSampleBeforeSeek) {
            // First index after seek = num sample before seek.
            return numSampleBeforeSeek;
        }
    }
}

Example 20 with C

use of androidx.media3.common.C in project media by androidx.

the class XingSeeker method create.

/**
 * Returns a {@link XingSeeker} for seeking in the stream, if required information is present.
 * Returns {@code null} if not. On returning, {@code frame}'s position is not specified so the
 * caller should reset it.
 *
 * @param inputLength The length of the stream in bytes, or {@link C#LENGTH_UNSET} if unknown.
 * @param position The position of the start of this frame in the stream.
 * @param mpegAudioHeader The MPEG audio header associated with the frame.
 * @param frame The data in this audio frame, with its position set to immediately after the
 *     'Xing' or 'Info' tag.
 * @return A {@link XingSeeker} for seeking in the stream, or {@code null} if the required
 *     information is not present.
 */
@Nullable
public static XingSeeker create(long inputLength, long position, MpegAudioUtil.Header mpegAudioHeader, ParsableByteArray frame) {
    int samplesPerFrame = mpegAudioHeader.samplesPerFrame;
    int sampleRate = mpegAudioHeader.sampleRate;
    int flags = frame.readInt();
    int frameCount;
    if ((flags & 0x01) != 0x01 || (frameCount = frame.readUnsignedIntToInt()) == 0) {
        // If the frame count is missing/invalid, the header can't be used to determine the duration.
        return null;
    }
    long durationUs = Util.scaleLargeTimestamp(frameCount, samplesPerFrame * C.MICROS_PER_SECOND, sampleRate);
    if ((flags & 0x06) != 0x06) {
        // If the size in bytes or table of contents is missing, the stream is not seekable.
        return new XingSeeker(position, mpegAudioHeader.frameSize, durationUs);
    }
    long dataSize = frame.readUnsignedInt();
    long[] tableOfContents = new long[100];
    for (int i = 0; i < 100; i++) {
        tableOfContents[i] = frame.readUnsignedByte();
    }
    if (inputLength != C.LENGTH_UNSET && inputLength != position + dataSize) {
        Log.w(TAG, "XING data size mismatch: " + inputLength + ", " + (position + dataSize));
    }
    return new XingSeeker(position, mpegAudioHeader.frameSize, durationUs, dataSize, tableOfContents);
}