C++ (Cpp) getTrackMetaData示例

示例#1

文件： RtspExtractor.cpp 项目： 70599/Waterfox

sp<MediaSource>
RtspExtractor::getTrack(size_t index)
{
  NS_ENSURE_TRUE(index < countTracks(), nullptr);
  sp<MetaData> meta = getTrackMetaData(index);
  sp<MediaSource> source = new RtspMediaSource(mRtspResource,
                                               index,
                                               FRAME_DEFAULT_SIZE,
                                               meta);
  return source;
}

示例#2

文件： DRMExtractor.cpp 项目： defreez/thesis-ics-platform-frameworks-base

sp<MediaSource> DRMExtractor::getTrack(size_t index) {
    sp<MediaSource> originalMediaSource = mOriginalExtractor->getTrack(index);
    originalMediaSource->getFormat()->setInt32(kKeyIsDRM, 1);

    int32_t trackID;
    CHECK(getTrackMetaData(index, 0)->findInt32(kKeyTrackID, &trackID));

    DrmBuffer ipmpBox;
    ipmpBox.data = mOriginalExtractor->getDrmTrackInfo(trackID, &(ipmpBox.length));
    CHECK(ipmpBox.length > 0);

    return new DRMSource(originalMediaSource, mDecryptHandle, mDrmManagerClient,
            trackID, &ipmpBox);
}