| /* |
| * Copyright (C) 2009 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 MPEG4_WRITER_H_ |
| |
| #define MPEG4_WRITER_H_ |
| |
| #include <stdio.h> |
| |
| #include <media/stagefright/MediaWriter.h> |
| #include <utils/List.h> |
| #include <utils/threads.h> |
| |
| namespace android { |
| |
| class MediaBuffer; |
| class MediaSource; |
| class MetaData; |
| |
| class MPEG4Writer : public MediaWriter { |
| public: |
| MPEG4Writer(const char *filename); |
| MPEG4Writer(int fd); |
| |
| virtual status_t addSource(const sp<MediaSource> &source); |
| virtual status_t start(); |
| virtual bool reachedEOS(); |
| virtual void stop(); |
| |
| void beginBox(const char *fourcc); |
| void writeInt8(int8_t x); |
| void writeInt16(int16_t x); |
| void writeInt32(int32_t x); |
| void writeInt64(int64_t x); |
| void writeCString(const char *s); |
| void writeFourcc(const char *fourcc); |
| void write(const void *data, size_t size); |
| void endBox(); |
| uint32_t interleaveDuration() const { return mInterleaveDurationUs; } |
| status_t setInterleaveDuration(uint32_t duration); |
| |
| protected: |
| virtual ~MPEG4Writer(); |
| |
| private: |
| class Track; |
| |
| FILE *mFile; |
| off_t mOffset; |
| off_t mMdatOffset; |
| uint8_t *mMoovBoxBuffer; |
| off_t mMoovBoxBufferOffset; |
| bool mWriteMoovBoxToMemory; |
| off_t mFreeBoxOffset; |
| bool mStreamableFile; |
| off_t mEstimatedMoovBoxSize; |
| uint32_t mInterleaveDurationUs; |
| int64_t mStartTimestampUs; |
| Mutex mLock; |
| |
| List<Track *> mTracks; |
| |
| List<off_t> mBoxes; |
| |
| void setStartTimestamp(int64_t timeUs); |
| int64_t getStartTimestamp(); // Not const |
| |
| void lock(); |
| void unlock(); |
| |
| // Acquire lock before calling these methods |
| off_t addSample_l(MediaBuffer *buffer); |
| off_t addLengthPrefixedSample_l(MediaBuffer *buffer); |
| |
| inline size_t write(const void *ptr, size_t size, size_t nmemb, FILE* stream); |
| bool exceedsFileSizeLimit(); |
| bool exceedsFileDurationLimit(); |
| |
| MPEG4Writer(const MPEG4Writer &); |
| MPEG4Writer &operator=(const MPEG4Writer &); |
| }; |
| |
| } // namespace android |
| |
| #endif // MPEG4_WRITER_H_ |