116 lines
3.2 KiB
C++
116 lines
3.2 KiB
C++
/*
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* Copyright (C) 2010 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 MATROSKA_EXTRACTOR_H_
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#define MATROSKA_EXTRACTOR_H_
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#include "mkvparser/mkvparser.h"
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#include <media/MediaExtractorPluginApi.h>
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#include <media/MediaExtractorPluginHelper.h>
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#include <media/NdkMediaFormat.h>
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#include <utils/Vector.h>
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#include <utils/threads.h>
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namespace android {
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struct AMessage;
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class String8;
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class MetaData;
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struct DataSourceBaseReader;
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struct MatroskaSource;
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struct MatroskaExtractor : public MediaExtractorPluginHelper {
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explicit MatroskaExtractor(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 "MatroskaExtractor"; }
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protected:
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virtual ~MatroskaExtractor();
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private:
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friend struct MatroskaSource;
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friend struct BlockIterator;
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struct TrackInfo {
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TrackInfo() {
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mMeta = NULL;
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}
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~TrackInfo() {
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}
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unsigned long mTrackNum;
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bool mEncrypted;
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AMediaFormat *mMeta;
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const MatroskaExtractor *mExtractor;
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Vector<const mkvparser::CuePoint*> mCuePoints;
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// mHeader points to memory managed by mkvparser;
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// mHeader would be deleted when mSegment is deleted
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// in ~MatroskaExtractor.
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unsigned char *mHeader;
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size_t mHeaderLen;
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int32_t mNalLengthSize;
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const mkvparser::Track* getTrack() const;
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const mkvparser::CuePoint::TrackPosition *find(long long timeNs) const;
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};
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Mutex mLock;
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Vector<TrackInfo> mTracks;
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DataSourceHelper *mDataSource;
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DataSourceBaseReader *mReader;
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mkvparser::Segment *mSegment;
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bool mExtractedThumbnails;
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bool mIsLiveStreaming;
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bool mIsWebm;
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int64_t mSeekPreRollNs;
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status_t synthesizeAVCC(TrackInfo *trackInfo, size_t index);
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status_t synthesizeMPEG2(TrackInfo *trackInfo, size_t index);
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status_t synthesizeMPEG4(TrackInfo *trackInfo, size_t index);
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status_t initTrackInfo(
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const mkvparser::Track *track,
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AMediaFormat *meta,
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TrackInfo *trackInfo);
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void addTracks();
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void findThumbnails();
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void getColorInformation(
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const mkvparser::VideoTrack *vtrack,
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AMediaFormat *meta);
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bool isLiveStreaming() const;
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MatroskaExtractor(const MatroskaExtractor &);
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MatroskaExtractor &operator=(const MatroskaExtractor &);
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};
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} // namespace android
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#endif // MATROSKA_EXTRACTOR_H_
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