haiku/headers/private/media/ReaderPlugin.h

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#ifndef _READER_PLUGIN_H
#define _READER_PLUGIN_H
#include <MediaTrack.h>
#include "MediaPlugin.h"
namespace BPrivate { namespace media {
enum {
B_MEDIA_SEEK_TO_TIME = 0x10000,
B_MEDIA_SEEK_TO_FRAME = 0x20000
};
class Reader
{
public:
Reader();
virtual ~Reader();
virtual const char *Copyright() = 0;
virtual status_t Sniff(int32 *streamCount) = 0;
virtual void GetFileFormatInfo(media_file_format *mff) = 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,
uint32 seekTo,
int64 *frame, bigtime_t *time) = 0;
virtual status_t GetNextChunk(void *cookie,
void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader) = 0;
BDataIO * Source();
private:
public: // XXX for test programs only
void Setup(BDataIO *source);
BDataIO * fSource;
};
class ReaderPlugin : public virtual MediaPlugin
{
public:
virtual Reader *NewReader() = 0;
};
} } // namespace BPrivate::media
using namespace BPrivate::media;
#endif