Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef MATROSKA_EXTRACTOR_H_ |
| 18 | |
| 19 | #define MATROSKA_EXTRACTOR_H_ |
| 20 | |
Robert Shih | 2f46e81 | 2014-06-12 12:08:56 -0700 | [diff] [blame] | 21 | #include "mkvparser.hpp" |
| 22 | |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 23 | #include <media/stagefright/MediaExtractor.h> |
| 24 | #include <utils/Vector.h> |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 25 | #include <utils/threads.h> |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 26 | |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 27 | namespace android { |
| 28 | |
Andreas Huber | 5a1c352 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 29 | struct AMessage; |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 30 | class String8; |
| 31 | |
| 32 | struct DataSourceReader; |
| 33 | struct MatroskaSource; |
| 34 | |
| 35 | struct MatroskaExtractor : public MediaExtractor { |
| 36 | MatroskaExtractor(const sp<DataSource> &source); |
| 37 | |
| 38 | virtual size_t countTracks(); |
| 39 | |
| 40 | virtual sp<MediaSource> getTrack(size_t index); |
| 41 | |
| 42 | virtual sp<MetaData> getTrackMetaData( |
| 43 | size_t index, uint32_t flags); |
| 44 | |
| 45 | virtual sp<MetaData> getMetaData(); |
| 46 | |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 47 | virtual uint32_t flags() const; |
| 48 | |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 49 | protected: |
| 50 | virtual ~MatroskaExtractor(); |
| 51 | |
| 52 | private: |
| 53 | friend struct MatroskaSource; |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 54 | friend struct BlockIterator; |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 55 | |
| 56 | struct TrackInfo { |
| 57 | unsigned long mTrackNum; |
| 58 | sp<MetaData> mMeta; |
Robert Shih | 2f46e81 | 2014-06-12 12:08:56 -0700 | [diff] [blame] | 59 | const MatroskaExtractor *mExtractor; |
| 60 | Vector<const mkvparser::CuePoint*> mCuePoints; |
| 61 | |
| 62 | const mkvparser::Track* getTrack() const; |
| 63 | const mkvparser::CuePoint::TrackPosition *find(long long timeNs) const; |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 64 | }; |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 65 | |
| 66 | Mutex mLock; |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 67 | Vector<TrackInfo> mTracks; |
| 68 | |
| 69 | sp<DataSource> mDataSource; |
| 70 | DataSourceReader *mReader; |
| 71 | mkvparser::Segment *mSegment; |
Andreas Huber | 5279d1d | 2010-05-25 13:35:02 -0700 | [diff] [blame] | 72 | bool mExtractedThumbnails; |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 73 | bool mIsLiveStreaming; |
Andreas Huber | 8c32b16 | 2011-08-22 13:21:26 -0700 | [diff] [blame] | 74 | bool mIsWebm; |
Vignesh Venkatasubramanian | bf927f8 | 2014-01-29 09:00:46 -0800 | [diff] [blame] | 75 | int64_t mSeekPreRollNs; |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 76 | |
| 77 | void addTracks(); |
Andreas Huber | 5279d1d | 2010-05-25 13:35:02 -0700 | [diff] [blame] | 78 | void findThumbnails(); |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 79 | |
Andreas Huber | d42573c | 2011-03-18 14:38:56 -0700 | [diff] [blame] | 80 | bool isLiveStreaming() const; |
| 81 | |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 82 | MatroskaExtractor(const MatroskaExtractor &); |
| 83 | MatroskaExtractor &operator=(const MatroskaExtractor &); |
| 84 | }; |
| 85 | |
| 86 | bool SniffMatroska( |
Andreas Huber | 5a1c352 | 2010-08-25 11:09:41 -0700 | [diff] [blame] | 87 | const sp<DataSource> &source, String8 *mimeType, float *confidence, |
| 88 | sp<AMessage> *); |
Andreas Huber | 093437c | 2010-05-20 14:56:53 -0700 | [diff] [blame] | 89 | |
| 90 | } // namespace android |
| 91 | |
| 92 | #endif // MATROSKA_EXTRACTOR_H_ |