Examples with MediaFormat com.google.android.exoplayer.MediaFormat used on opensource projects

Example 1 with MediaFormat

use of com.google.android.exoplayer.MediaFormat in project edx-app-android by edx.

the class FragmentedMp4Extractor method parseAvcFromParent.

private static Pair<MediaFormat, TrackEncryptionBox> parseAvcFromParent(ParsableByteArray parent, int position, int size) {
    parent.setPosition(position + ATOM_HEADER_SIZE);
    parent.skip(24);
    int width = parent.readUnsignedShort();
    int height = parent.readUnsignedShort();
    parent.skip(50);
    List<byte[]> initializationData = null;
    TrackEncryptionBox trackEncryptionBox = null;
    int childPosition = parent.getPosition();
    while (childPosition - position < size) {
        parent.setPosition(childPosition);
        int childStartPosition = parent.getPosition();
        int childAtomSize = parent.readInt();
        int childAtomType = parent.readInt();
        if (childAtomType == Atom.TYPE_avcC) {
            initializationData = parseAvcCFromParent(parent, childStartPosition);
        } else if (childAtomType == Atom.TYPE_sinf) {
            trackEncryptionBox = parseSinfFromParent(parent, childStartPosition, childAtomSize);
        }
        childPosition += childAtomSize;
    }
    MediaFormat format = MediaFormat.createVideoFormat(MimeTypes.VIDEO_H264, MediaFormat.NO_VALUE, width, height, initializationData);
    return Pair.create(format, trackEncryptionBox);
}

Example 2 with MediaFormat

use of com.google.android.exoplayer.MediaFormat in project edx-app-android by edx.

the class FragmentedMp4Extractor method parseMp4aFromParent.

private static Pair<MediaFormat, TrackEncryptionBox> parseMp4aFromParent(ParsableByteArray parent, int position, int size) {
    parent.setPosition(position + ATOM_HEADER_SIZE);
    // Start of the mp4a atom (defined in 14496-14)
    parent.skip(16);
    int channelCount = parent.readUnsignedShort();
    int sampleSize = parent.readUnsignedShort();
    parent.skip(4);
    int sampleRate = parent.readUnsignedFixedPoint1616();
    byte[] initializationData = null;
    TrackEncryptionBox trackEncryptionBox = null;
    int childPosition = parent.getPosition();
    while (childPosition - position < size) {
        parent.setPosition(childPosition);
        int childStartPosition = parent.getPosition();
        int childAtomSize = parent.readInt();
        int childAtomType = parent.readInt();
        if (childAtomType == Atom.TYPE_esds) {
            initializationData = parseEsdsFromParent(parent, childStartPosition);
            // TODO: Do we really need to do this? See [redacted]
            // Update sampleRate and channelCount from the AudioSpecificConfig initialization data.
            Pair<Integer, Integer> audioSpecificConfig = CodecSpecificDataUtil.parseAudioSpecificConfig(initializationData);
            sampleRate = audioSpecificConfig.first;
            channelCount = audioSpecificConfig.second;
        } else if (childAtomType == Atom.TYPE_sinf) {
            trackEncryptionBox = parseSinfFromParent(parent, childStartPosition, childAtomSize);
        }
        childPosition += childAtomSize;
    }
    MediaFormat format = MediaFormat.createAudioFormat("audio/mp4a-latm", sampleSize, channelCount, sampleRate, Collections.singletonList(initializationData));
    return Pair.create(format, trackEncryptionBox);
}

Example 3 with MediaFormat

use of com.google.android.exoplayer.MediaFormat in project edx-app-android by edx.

the class FragmentedMp4Extractor method parseStsd.

private static Pair<MediaFormat, TrackEncryptionBox[]> parseStsd(ParsableByteArray stsd) {
    stsd.setPosition(FULL_ATOM_HEADER_SIZE);
    int numberOfEntries = stsd.readInt();
    MediaFormat mediaFormat = null;
    TrackEncryptionBox[] trackEncryptionBoxes = new TrackEncryptionBox[numberOfEntries];
    for (int i = 0; i < numberOfEntries; i++) {
        int childStartPosition = stsd.getPosition();
        int childAtomSize = stsd.readInt();
        int childAtomType = stsd.readInt();
        if (childAtomType == Atom.TYPE_avc1 || childAtomType == Atom.TYPE_avc3 || childAtomType == Atom.TYPE_encv) {
            Pair<MediaFormat, TrackEncryptionBox> avc = parseAvcFromParent(stsd, childStartPosition, childAtomSize);
            mediaFormat = avc.first;
            trackEncryptionBoxes[i] = avc.second;
        } else if (childAtomType == Atom.TYPE_mp4a || childAtomType == Atom.TYPE_enca) {
            Pair<MediaFormat, TrackEncryptionBox> mp4a = parseMp4aFromParent(stsd, childStartPosition, childAtomSize);
            mediaFormat = mp4a.first;
            trackEncryptionBoxes[i] = mp4a.second;
        }
        stsd.setPosition(childStartPosition + childAtomSize);
    }
    return Pair.create(mediaFormat, trackEncryptionBoxes);
}

Example 4 with MediaFormat

use of com.google.android.exoplayer.MediaFormat in project edx-app-android by edx.

the class ChunkSampleSource method readData.

@Override
public int readData(int track, long playbackPositionUs, MediaFormatHolder formatHolder, SampleHolder sampleHolder, boolean onlyReadDiscontinuity) throws IOException {
    Assertions.checkState(state == STATE_ENABLED);
    Assertions.checkState(track == 0);
    if (pendingDiscontinuity) {
        pendingDiscontinuity = false;
        return DISCONTINUITY_READ;
    }
    if (onlyReadDiscontinuity) {
        return NOTHING_READ;
    }
    downstreamPositionUs = playbackPositionUs;
    if (isPendingReset()) {
        if (currentLoadableException != null) {
            throw currentLoadableException;
        }
        IOException chunkSourceException = chunkSource.getError();
        if (chunkSourceException != null) {
            throw chunkSourceException;
        }
        return NOTHING_READ;
    }
    MediaChunk mediaChunk = mediaChunks.getFirst();
    if (mediaChunk.isReadFinished()) {
        // We've read all of the samples from the current media chunk.
        if (mediaChunks.size() > 1) {
            discardDownstreamMediaChunk();
            mediaChunk = mediaChunks.getFirst();
            mediaChunk.seekToStart();
            return readData(track, playbackPositionUs, formatHolder, sampleHolder, false);
        } else if (mediaChunk.isLastChunk()) {
            return END_OF_STREAM;
        }
        IOException chunkSourceException = chunkSource.getError();
        if (chunkSourceException != null) {
            throw chunkSourceException;
        }
        return NOTHING_READ;
    }
    if (downstreamFormat == null || !downstreamFormat.equals(mediaChunk.format)) {
        notifyDownstreamFormatChanged(mediaChunk.format.id, mediaChunk.trigger, mediaChunk.startTimeUs);
        downstreamFormat = mediaChunk.format;
    }
    if (!mediaChunk.prepare()) {
        if (currentLoadableException != null) {
            throw currentLoadableException;
        }
        return NOTHING_READ;
    }
    MediaFormat mediaFormat = mediaChunk.getMediaFormat();
    if (mediaFormat != null && !mediaFormat.equals(downstreamMediaFormat, true)) {
        chunkSource.getMaxVideoDimensions(mediaFormat);
        formatHolder.format = mediaFormat;
        formatHolder.drmInitData = mediaChunk.getPsshInfo();
        downstreamMediaFormat = mediaFormat;
        return FORMAT_READ;
    }
    if (mediaChunk.read(sampleHolder)) {
        sampleHolder.decodeOnly = frameAccurateSeeking && sampleHolder.timeUs < lastSeekPositionUs;
        onSampleRead(mediaChunk, sampleHolder);
        return SAMPLE_READ;
    } else {
        if (currentLoadableException != null) {
            throw currentLoadableException;
        }
        return NOTHING_READ;
    }
}

Example 5 with MediaFormat

use of com.google.android.exoplayer.MediaFormat in project zype-android by zype.

the class PlayerFragment method showClosedCaptionsDialog.

private void showClosedCaptionsDialog() {
    if (player == null) {
        return;
    }
    // Get CC tracks
    final List<CharSequence> tracks = new ArrayList<>();
    for (int i = 0; i < player.getTrackCount(CustomPlayer.TYPE_TEXT); i++) {
        MediaFormat mediaFormat = player.getTrackFormat(CustomPlayer.TYPE_TEXT, i);
        tracks.add(mediaFormat.trackId);
    }
    tracks.add(getString(R.string.subtitles_off));
    int selectedIndex;
    if (ccEnabled) {
        selectedIndex = getClosedCaptionsTrackIndex(SettingsProvider.getInstance().getString(SettingsProvider.SELECTED_CLOSED_CAPTIONS_TRACK));
    } else {
        selectedIndex = tracks.size() - 1;
    }
    // Show selection dialog
    SubtitlesDialogFragment.createAndShowSubtitlesDialogFragment(getActivity(), "Select track", tracks.toArray(new CharSequence[tracks.size()]), selectedIndex, new SubtitlesDialogFragment.ISubtitlesDialogListener() {

        @Override
        public void onItemSelected(SubtitlesDialogFragment dialog, int selectedItem) {
            if (selectedItem == tracks.size() - 1) {
                ccEnabled = false;
                ccTrack = "";
            } else {
                ccEnabled = true;
                ccTrack = tracks.get(selectedItem).toString();
            }
            SettingsProvider.getInstance().setBoolean(SettingsProvider.CLOSED_CAPTIONS_ENABLED, ccEnabled);
            SettingsProvider.getInstance().setString(SettingsProvider.SELECTED_CLOSED_CAPTIONS_TRACK, ccTrack);
            updateClosedCaptionsTrack();
            getActivity().invalidateOptionsMenu();
            dialog.dismiss();
        }
    });
}