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Diffstat (limited to 'media/libstagefright/include/MPEG2PSExtractor.h')
-rw-r--r-- | media/libstagefright/include/MPEG2PSExtractor.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/media/libstagefright/include/MPEG2PSExtractor.h b/media/libstagefright/include/MPEG2PSExtractor.h new file mode 100644 index 0000000..fb76564 --- /dev/null +++ b/media/libstagefright/include/MPEG2PSExtractor.h @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef MPEG2_PS_EXTRACTOR_H_ + +#define MPEG2_PS_EXTRACTOR_H_ + +#include <media/stagefright/foundation/ABase.h> +#include <media/stagefright/MediaExtractor.h> +#include <utils/threads.h> +#include <utils/KeyedVector.h> + +namespace android { + +struct ABuffer; +struct AMessage; +struct Track; +struct String8; + +struct MPEG2PSExtractor : public MediaExtractor { + MPEG2PSExtractor(const sp<DataSource> &source); + + virtual size_t countTracks(); + virtual sp<MediaSource> getTrack(size_t index); + virtual sp<MetaData> getTrackMetaData(size_t index, uint32_t flags); + + virtual sp<MetaData> getMetaData(); + + virtual uint32_t flags() const; + +protected: + virtual ~MPEG2PSExtractor(); + +private: + struct Track; + struct WrappedTrack; + + mutable Mutex mLock; + sp<DataSource> mDataSource; + + off64_t mOffset; + status_t mFinalResult; + sp<ABuffer> mBuffer; + KeyedVector<unsigned, sp<Track> > mTracks; + bool mScanning; + + bool mProgramStreamMapValid; + KeyedVector<unsigned, unsigned> mStreamTypeByESID; + + status_t feedMore(); + + status_t dequeueChunk(); + ssize_t dequeuePack(); + ssize_t dequeueSystemHeader(); + ssize_t dequeuePES(); + + DISALLOW_EVIL_CONSTRUCTORS(MPEG2PSExtractor); +}; + +bool SniffMPEG2PS( + const sp<DataSource> &source, String8 *mimeType, float *confidence, + sp<AMessage> *); + +} // namespace android + +#endif // MPEG2_PS_EXTRACTOR_H_ + |