83a69e16c5
* Fixes an ugly hack, where the codec was initialized in the InitCheck and prevented the method to be const too.
93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
/*
|
|
* Copyright 2009-2010, Stephan Aßmus <supertippi@gmx.de>. All rights reserved.
|
|
* Copyright 2009, Axel Dörfler, axeld@pinc-software.de.
|
|
* Copyright 2008, Maurice Kalinowski. All rights reserved.
|
|
* Copyright 2004-2007, Marcus Overhagen. All rights reserved.
|
|
*
|
|
* Distributed under the terms of the MIT License.
|
|
*/
|
|
#ifndef _MEDIA_EXTRACTOR_H
|
|
#define _MEDIA_EXTRACTOR_H
|
|
|
|
|
|
#include <Decoder.h>
|
|
#include <MediaStreamer.h>
|
|
#include <Reader.h>
|
|
|
|
|
|
namespace BCodecKit {
|
|
|
|
|
|
struct stream_info;
|
|
|
|
|
|
class BMediaExtractor {
|
|
public:
|
|
BMediaExtractor(BDataIO* source, int32 flags);
|
|
// TODO
|
|
//BMediaExtractor(BMediaStreamer* streamer);
|
|
~BMediaExtractor();
|
|
|
|
status_t InitCheck() const;
|
|
|
|
BDataIO* Source() const;
|
|
|
|
void GetFileFormatInfo(
|
|
media_file_format* fileFormat) const;
|
|
|
|
status_t GetMetaData(BMetaData* data) const;
|
|
status_t GetStreamMetaData(int32 stream,
|
|
BMetaData* data) const;
|
|
|
|
int32 CountStreams() const;
|
|
|
|
const media_format* EncodedFormat(int32 stream);
|
|
int64 CountFrames(int32 stream) const;
|
|
bigtime_t Duration(int32 stream) const;
|
|
|
|
status_t Seek(int32 stream, uint32 seekTo,
|
|
int64* _frame, bigtime_t* _time);
|
|
status_t FindKeyFrame(int32 stream, uint32 seekTo,
|
|
int64* _frame, bigtime_t* _time) const;
|
|
|
|
status_t GetNextChunk(int32 stream,
|
|
const void** _chunkBuffer,
|
|
size_t* _chunkSize,
|
|
media_header* mediaHeader);
|
|
|
|
status_t CreateDecoder(int32 stream, BDecoder** _decoder,
|
|
media_codec_info* codecInfo);
|
|
|
|
// TODO: Explore if would be better to add a Start/Stop
|
|
// methods pair to MediaExtractor.
|
|
void StopProcessing();
|
|
|
|
private:
|
|
void _Init(BDataIO* source, int32 flags);
|
|
|
|
void _RecycleLastChunk(stream_info& info);
|
|
static int32 _ExtractorEntry(void* arg);
|
|
void _ExtractorThread();
|
|
|
|
status_t fInitStatus;
|
|
|
|
sem_id fExtractorWaitSem;
|
|
thread_id fExtractorThread;
|
|
|
|
BDataIO* fSource;
|
|
BReader* fReader;
|
|
|
|
stream_info* fStreamInfo;
|
|
int32 fStreamCount;
|
|
|
|
media_file_format fFileFormat;
|
|
|
|
uint32 fReserved[5];
|
|
};
|
|
|
|
|
|
} // namespace BCodecKit
|
|
|
|
|
|
#endif // _MEDIA_EXTRACTOR_H
|