Examples with Representation androidx.media3.exoplayer.dash.manifest.Representation used on opensource projects

Example 11 with Representation

use of androidx.media3.exoplayer.dash.manifest.Representation in project media by androidx.

the class DashDownloader method addSegmentsForAdaptationSet.

private void addSegmentsForAdaptationSet(DataSource dataSource, AdaptationSet adaptationSet, long periodStartUs, long periodDurationUs, boolean removing, ArrayList<Segment> out) throws IOException, InterruptedException {
    for (int i = 0; i < adaptationSet.representations.size(); i++) {
        Representation representation = adaptationSet.representations.get(i);
        DashSegmentIndex index;
        try {
            index = getSegmentIndex(dataSource, adaptationSet.type, representation, removing);
            if (index == null) {
                // Loading succeeded but there was no index.
                throw new DownloadException("Missing segment index");
            }
        } catch (IOException e) {
            if (!removing) {
                throw e;
            }
            // Generating an incomplete segment list is allowed. Advance to the next representation.
            continue;
        }
        long segmentCount = index.getSegmentCount(periodDurationUs);
        if (segmentCount == DashSegmentIndex.INDEX_UNBOUNDED) {
            throw new DownloadException("Unbounded segment index");
        }
        String baseUrl = castNonNull(baseUrlExclusionList.selectBaseUrl(representation.baseUrls)).url;
        @Nullable RangedUri initializationUri = representation.getInitializationUri();
        if (initializationUri != null) {
            out.add(createSegment(representation, baseUrl, periodStartUs, initializationUri));
        }
        @Nullable RangedUri indexUri = representation.getIndexUri();
        if (indexUri != null) {
            out.add(createSegment(representation, baseUrl, periodStartUs, indexUri));
        }
        long firstSegmentNum = index.getFirstSegmentNum();
        long lastSegmentNum = firstSegmentNum + segmentCount - 1;
        for (long j = firstSegmentNum; j <= lastSegmentNum; j++) {
            out.add(createSegment(representation, baseUrl, periodStartUs + index.getTimeUs(j), index.getSegmentUrl(j)));
        }
    }
}

Example 12 with Representation

use of androidx.media3.exoplayer.dash.manifest.Representation in project media by androidx.

the class DashDownloadTest method downloadContent.

private DashDownloader downloadContent() throws Exception {
    DashManifest dashManifest = DashUtil.loadManifest(httpDataSourceFactory.createDataSource(), MANIFEST_URI);
    ArrayList<StreamKey> keys = new ArrayList<>();
    for (int pIndex = 0; pIndex < dashManifest.getPeriodCount(); pIndex++) {
        List<AdaptationSet> adaptationSets = dashManifest.getPeriod(pIndex).adaptationSets;
        for (int aIndex = 0; aIndex < adaptationSets.size(); aIndex++) {
            AdaptationSet adaptationSet = adaptationSets.get(aIndex);
            List<Representation> representations = adaptationSet.representations;
            for (int rIndex = 0; rIndex < representations.size(); rIndex++) {
                String id = representations.get(rIndex).format.id;
                if (DashTestData.AAC_AUDIO_REPRESENTATION_ID.equals(id) || DashTestData.H264_CDD_FIXED.equals(id)) {
                    keys.add(new StreamKey(pIndex, aIndex, rIndex));
                }
            }
        }
    }
    CacheDataSource.Factory cacheDataSourceFactory = new CacheDataSource.Factory().setCache(cache).setUpstreamDataSourceFactory(httpDataSourceFactory);
    return new DashDownloader(new MediaItem.Builder().setUri(MANIFEST_URI).setStreamKeys(keys).build(), cacheDataSourceFactory);
}

Example 13 with Representation

use of androidx.media3.exoplayer.dash.manifest.Representation in project media by androidx.

the class DashMediaPeriod method buildPrimaryAndEmbeddedTrackGroupInfos.

private static int buildPrimaryAndEmbeddedTrackGroupInfos(DrmSessionManager drmSessionManager, List<AdaptationSet> adaptationSets, int[][] groupedAdaptationSetIndices, int primaryGroupCount, boolean[] primaryGroupHasEventMessageTrackFlags, Format[][] primaryGroupClosedCaptionTrackFormats, TrackGroup[] trackGroups, TrackGroupInfo[] trackGroupInfos) {
    int trackGroupCount = 0;
    for (int i = 0; i < primaryGroupCount; i++) {
        int[] adaptationSetIndices = groupedAdaptationSetIndices[i];
        List<Representation> representations = new ArrayList<>();
        for (int adaptationSetIndex : adaptationSetIndices) {
            representations.addAll(adaptationSets.get(adaptationSetIndex).representations);
        }
        Format[] formats = new Format[representations.size()];
        for (int j = 0; j < formats.length; j++) {
            Format format = representations.get(j).format;
            formats[j] = format.copyWithCryptoType(drmSessionManager.getCryptoType(format));
        }
        AdaptationSet firstAdaptationSet = adaptationSets.get(adaptationSetIndices[0]);
        String trackGroupId = firstAdaptationSet.id != AdaptationSet.ID_UNSET ? Integer.toString(firstAdaptationSet.id) : ("unset:" + i);
        int primaryTrackGroupIndex = trackGroupCount++;
        int eventMessageTrackGroupIndex = primaryGroupHasEventMessageTrackFlags[i] ? trackGroupCount++ : C.INDEX_UNSET;
        int closedCaptionTrackGroupIndex = primaryGroupClosedCaptionTrackFormats[i].length != 0 ? trackGroupCount++ : C.INDEX_UNSET;
        trackGroups[primaryTrackGroupIndex] = new TrackGroup(trackGroupId, formats);
        trackGroupInfos[primaryTrackGroupIndex] = TrackGroupInfo.primaryTrack(firstAdaptationSet.type, adaptationSetIndices, primaryTrackGroupIndex, eventMessageTrackGroupIndex, closedCaptionTrackGroupIndex);
        if (eventMessageTrackGroupIndex != C.INDEX_UNSET) {
            String eventMessageTrackGroupId = trackGroupId + ":emsg";
            Format format = new Format.Builder().setId(eventMessageTrackGroupId).setSampleMimeType(MimeTypes.APPLICATION_EMSG).build();
            trackGroups[eventMessageTrackGroupIndex] = new TrackGroup(eventMessageTrackGroupId, format);
            trackGroupInfos[eventMessageTrackGroupIndex] = TrackGroupInfo.embeddedEmsgTrack(adaptationSetIndices, primaryTrackGroupIndex);
        }
        if (closedCaptionTrackGroupIndex != C.INDEX_UNSET) {
            String closedCaptionTrackGroupId = trackGroupId + ":cc";
            trackGroups[closedCaptionTrackGroupIndex] = new TrackGroup(closedCaptionTrackGroupId, primaryGroupClosedCaptionTrackFormats[i]);
            trackGroupInfos[closedCaptionTrackGroupIndex] = TrackGroupInfo.embeddedClosedCaptionTrack(adaptationSetIndices, primaryTrackGroupIndex);
        }
    }
    return trackGroupCount;
}

Example 14 with Representation

use of androidx.media3.exoplayer.dash.manifest.Representation in project media by androidx.

the class AvcConfig method parse.

/**
 * Parses AVC configuration data.
 *
 * @param data A {@link ParsableByteArray}, whose position is set to the start of the AVC
 *     configuration data to parse.
 * @return A parsed representation of the AVC configuration data.
 * @throws ParserException If an error occurred parsing the data.
 */
public static AvcConfig parse(ParsableByteArray data) throws ParserException {
    try {
        // Skip to the AVCDecoderConfigurationRecord (defined in 14496-15)
        data.skipBytes(4);
        int nalUnitLengthFieldLength = (data.readUnsignedByte() & 0x3) + 1;
        if (nalUnitLengthFieldLength == 3) {
            throw new IllegalStateException();
        }
        List<byte[]> initializationData = new ArrayList<>();
        int numSequenceParameterSets = data.readUnsignedByte() & 0x1F;
        for (int j = 0; j < numSequenceParameterSets; j++) {
            initializationData.add(buildNalUnitForChild(data));
        }
        int numPictureParameterSets = data.readUnsignedByte();
        for (int j = 0; j < numPictureParameterSets; j++) {
            initializationData.add(buildNalUnitForChild(data));
        }
        int width = Format.NO_VALUE;
        int height = Format.NO_VALUE;
        float pixelWidthHeightRatio = 1;
        @Nullable String codecs = null;
        if (numSequenceParameterSets > 0) {
            byte[] sps = initializationData.get(0);
            SpsData spsData = NalUnitUtil.parseSpsNalUnit(initializationData.get(0), nalUnitLengthFieldLength, sps.length);
            width = spsData.width;
            height = spsData.height;
            pixelWidthHeightRatio = spsData.pixelWidthHeightRatio;
            codecs = CodecSpecificDataUtil.buildAvcCodecString(spsData.profileIdc, spsData.constraintsFlagsAndReservedZero2Bits, spsData.levelIdc);
        }
        return new AvcConfig(initializationData, nalUnitLengthFieldLength, width, height, pixelWidthHeightRatio, codecs);
    } catch (ArrayIndexOutOfBoundsException e) {
        throw ParserException.createForMalformedContainer("Error parsing AVC config", e);
    }
}

Example 15 with Representation

use of androidx.media3.exoplayer.dash.manifest.Representation in project media by androidx.

the class DashUtilTest method resolveCacheKey_representationCacheKeyIsNull_resolvesRangedUriWithFirstBaseUrl.

@Test
public void resolveCacheKey_representationCacheKeyIsNull_resolvesRangedUriWithFirstBaseUrl() {
    ImmutableList<BaseUrl> baseUrls = ImmutableList.of(new BaseUrl("http://www.google.com"), new BaseUrl("http://www.foo.com"));
    Representation.SingleSegmentRepresentation representation = new Representation.SingleSegmentRepresentation(/* revisionId= */
    1L, new Format.Builder().build(), baseUrls, new SingleSegmentBase(), /* inbandEventStreams= */
    null, /* essentialProperties= */
    ImmutableList.of(), /* supplementalProperties= */
    ImmutableList.of(), /* cacheKey= */
    null, /* contentLength= */
    1);
    RangedUri rangedUri = new RangedUri("path/to/resource", /* start= */
    0, /* length= */
    1);
    String cacheKey = DashUtil.resolveCacheKey(representation, rangedUri);
    assertThat(cacheKey).isEqualTo("http://www.google.com/path/to/resource");
}