haiku/headers/private/media/MediaExtractor.h

79 lines
1.5 KiB
C
Raw Normal View History

#ifndef _MEDIA_EXTRACTOR_H
#define _MEDIA_EXTRACTOR_H
#include "ReaderPlugin.h"
#include "DecoderPlugin.h"
namespace BPrivate {
namespace media {
class ChunkCache;
struct stream_info
{
status_t status;
void * cookie;
bool hasCookie;
const void * infoBuffer;
size_t infoBufferSize;
ChunkCache * chunkCache;
media_format encodedFormat;
};
class MediaExtractor
{
public:
MediaExtractor(BDataIO * source, int32 flags);
~MediaExtractor();
status_t InitCheck();
void GetFileFormatInfo(media_file_format *mfi) const;
int32 StreamCount();
const char* Copyright();
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, Decoder **decoder,
media_codec_info *mci);
private:
static int32 extractor_thread(void *arg);
void ExtractorThread();
private:
status_t fErr;
sem_id fExtractorWaitSem;
thread_id fExtractorThread;
volatile bool fTerminateExtractor;
BDataIO *fSource;
Reader *fReader;
stream_info * fStreamInfo;
int32 fStreamCount;
media_file_format fMff;
};
}; // namespace media
}; // namespace BPrivate
using namespace BPrivate::media;
#endif