static void mpeg_decode_sequence_extension(MpegEncContext *s) { int horiz_size_ext, vert_size_ext; int bit_rate_ext; int level, profile; skip_bits(&s->gb, 1); /* profil and level esc*/ profile= get_bits(&s->gb, 3); level= get_bits(&s->gb, 4); s->progressive_sequence = get_bits1(&s->gb); /* progressive_sequence */ s->chroma_format = get_bits(&s->gb, 2); /* chroma_format 1=420, 2=422, 3=444 */ horiz_size_ext = get_bits(&s->gb, 2); vert_size_ext = get_bits(&s->gb, 2); s->width |= (horiz_size_ext << 12); s->height |= (vert_size_ext << 12); bit_rate_ext = get_bits(&s->gb, 12); /* XXX: handle it */ s->bit_rate += (bit_rate_ext << 12) * 400; skip_bits1(&s->gb); /* marker */ s->avctx->rc_buffer_size += get_bits(&s->gb, 8)*1024*16<<10; s->low_delay = get_bits1(&s->gb); if(s->flags & CODEC_FLAG_LOW_DELAY) s->low_delay=1; s->frame_rate_ext_n = get_bits(&s->gb, 2); s->frame_rate_ext_d = get_bits(&s->gb, 5); dprintf("sequence extension\n"); s->codec_id= s->avctx->codec_id= CODEC_ID_MPEG2VIDEO; s->avctx->sub_id = 2; /* indicates mpeg2 found */ if(s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_DEBUG, "profile: %d, level: %d vbv buffer: %d, bitrate:%d\n", profile, level, s->avctx->rc_buffer_size, s->bit_rate); }