typedef struct DVDemuxContext DVDemuxContext;
DVDemuxContext* dv_init_demux(AVFormatContext* s);
int dv_get_packet(DVDemuxContext*, AVPacket *);
-int dv_produce_packet(DVDemuxContext*, AVPacket*, uint8_t*, int);
+int dv_produce_packet(DVDemuxContext*, AVPacket*, uint8_t*, int, int64_t);
void dv_offset_reset(DVDemuxContext *c, int64_t frame_offset);
typedef struct DVMuxContext DVMuxContext;