haiku/headers/private/media/ReaderPlugin.h
beveloper ca16f5cb03 start of media kit codec plugin API
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5078 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-10-17 23:55:19 +00:00

51 lines
1.0 KiB
C++

#include <MediaTrack.h>
#include "MediaPlugin.h"
namespace BPrivate { namespace media {
class Reader
{
public:
Reader();
virtual ~Reader();
virtual const char *Copyright() = 0;
virtual status_t Sniff(int32 *streamCount) = 0;
virtual status_t AllocateCookie(int32 streamNumber, void **cookie) = 0;
virtual status_t FreeCookie(void *cookie) = 0;
virtual status_t GetStreamInfo(void *cookie, int64 *frameCount, bigtime_t *duration,
media_format *format, void **infoBuffer, int32 *infoSize) = 0;
virtual status_t Seek(void *cookie,
media_seek_type seekTo,
int64 *frame, bigtime_t *time) = 0;
virtual status_t GetNextChunk(void *cookie,
void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader) = 0;
BDataIO * Source();
private:
void Setup(BDataIO *source);
BDataIO * fSource;
};
class ReaderPlugin : public MediaPlugin
{
public:
virtual Reader *NewReader() = 0;
};
MediaPlugin *instantiate_plugin();
} } // namespace BPrivate::media
using namespace BPrivate::media;