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82 lines
2.1 KiB
82 lines
2.1 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MPEG2_PS_EXTRACTOR_H_
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#define MPEG2_PS_EXTRACTOR_H_
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#include <media/stagefright/foundation/ABase.h>
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#include <media/MediaExtractorPluginApi.h>
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#include <media/MediaExtractorPluginHelper.h>
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#include <media/stagefright/MetaDataBase.h>
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#include <utils/threads.h>
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#include <utils/KeyedVector.h>
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namespace android {
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struct ABuffer;
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struct AMessage;
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struct Track;
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class String8;
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struct MPEG2PSExtractor : public MediaExtractorPluginHelper {
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explicit MPEG2PSExtractor(DataSourceHelper *source);
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virtual size_t countTracks();
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virtual MediaTrackHelper *getTrack(size_t index);
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virtual media_status_t getTrackMetaData(AMediaFormat *meta, size_t index, uint32_t flags);
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virtual media_status_t getMetaData(AMediaFormat *meta);
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virtual uint32_t flags() const;
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virtual const char * name() { return "MPEG2PSExtractor"; }
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protected:
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virtual ~MPEG2PSExtractor();
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private:
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struct Track;
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struct WrappedTrack;
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mutable Mutex mLock;
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DataSourceHelper *mDataSource;
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off64_t mOffset;
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status_t mFinalResult;
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sp<ABuffer> mBuffer;
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KeyedVector<unsigned, Track* > mTracks;
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bool mScanning;
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bool mProgramStreamMapValid;
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KeyedVector<unsigned, unsigned> mStreamTypeByESID;
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status_t feedMore();
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status_t dequeueChunk();
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ssize_t dequeuePack();
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ssize_t dequeueSystemHeader();
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ssize_t dequeuePES();
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DISALLOW_EVIL_CONSTRUCTORS(MPEG2PSExtractor);
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};
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bool SniffMPEG2PS(DataSourceHelper *source, float *confidence);
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} // namespace android
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#endif // MPEG2_PS_EXTRACTOR_H_
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