haiku/headers/private/media/DecoderPlugin.h
beveloper da87cefeb1 added the new media_meta_description and changed codec API to use it
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5494 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-11-28 22:34:14 +00:00

55 lines
1.3 KiB
C++

#ifndef _DECODER_PLUGIN_H
#define _DECODER_PLUGIN_H
#include <MediaTrack.h>
#include <MediaFormats.h>
#include "MediaPlugin.h"
#include "MediaExtractor.h"
namespace BPrivate { namespace media {
class Decoder
{
public:
Decoder();
virtual ~Decoder();
// Setup get's called with the info data from Reader::GetStreamInfo
virtual status_t Setup(media_format *ioEncodedFormat, media_format *ioDecodedFormat,
const void *infoBuffer, int32 infoSize) = 0;
virtual status_t Seek(uint32 seekTo,
int64 seekFrame, int64 *frame,
bigtime_t seekTime, bigtime_t *time) = 0;
virtual status_t Decode(void *buffer, int64 *frameCount,
media_header *mediaHeader, media_decode_info *info = 0) = 0;
status_t GetNextChunk(void **chunkBuffer, int32 *chunkSize,
media_header *mediaHeader);
private:
friend class MediaExtractor;
void Setup(MediaExtractor *extractor, int32 stream);
MediaExtractor * fExtractor;
int32 fStream;
};
class DecoderPlugin : public MediaPlugin
{
public:
DecoderPlugin();
virtual Decoder *NewDecoder() = 0;
status_t PublishDecoder(const char *meta_description, const char *short_name, const char *pretty_name, const char *default_mapping = 0);
};
} } // namespace BPrivate::media
using namespace BPrivate::media;
#endif