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/*
* 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(MetaData *param = NULL);
virtual bool reachedEOS();
virtual void stop();
virtual void pause();
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;
bool mUse32BitOffset;
bool mPaused;
bool mStarted;
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 setStartTimestampUs(int64_t timeUs);
int64_t getStartTimestampUs(); // Not const
status_t startTracks(MetaData *params);
size_t numTracks();
int64_t estimateMoovBoxSize(int32_t bitRate);
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_
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