ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb, AVStream *st, RMStream *ast, int len, AVPacket *pkt, int *seq, int *flags, int64_t *timestamp) { RMDemuxContext *rm = s->priv_data; if (st->codec->codec_type == CODEC_TYPE_VIDEO) { rm->current_stream= st->id; if(rm_assemble_video_frame(s, pb, rm, ast, pkt, len)) return -1; //got partial frame } else if (st->codec->codec_type == CODEC_TYPE_AUDIO) { if ((st->codec->codec_id == CODEC_ID_RA_288) || (st->codec->codec_id == CODEC_ID_COOK) || (st->codec->codec_id == CODEC_ID_ATRAC3) || (st->codec->codec_id == CODEC_ID_SIPR)) { int x; int sps = ast->sub_packet_size; int cfs = ast->coded_framesize; int h = ast->sub_packet_h; int y = ast->sub_packet_cnt; int w = ast->audio_framesize; if (*flags & 2) y = ast->sub_packet_cnt = 0; if (!y) ast->audiotimestamp = *timestamp; switch(st->codec->codec_id) { case CODEC_ID_RA_288: for (x = 0; x < h/2; x++) get_buffer(pb, ast->pkt.data+x*2*w+y*cfs, cfs); break; case CODEC_ID_ATRAC3: case CODEC_ID_COOK: for (x = 0; x < w/sps; x++) get_buffer(pb, ast->pkt.data+sps*(h*x+((h+1)/2)*(y&1)+(y>>1)), sps); break; } if (++(ast->sub_packet_cnt) < h) return -1; else { ast->sub_packet_cnt = 0; rm->audio_stream_num = st->index; rm->audio_pkt_cnt = h * w / st->codec->block_align - 1; // Release first audio packet av_new_packet(pkt, st->codec->block_align); memcpy(pkt->data, ast->pkt.data, st->codec->block_align); //FIXME avoid this *timestamp = ast->audiotimestamp; *flags = 2; // Mark first packet as keyframe } } else if (st->codec->codec_id == CODEC_ID_AAC) { int x; rm->audio_stream_num = st->index; ast->sub_packet_cnt = (get_be16(pb) & 0xf0) >> 4; if (ast->sub_packet_cnt) { for (x = 0; x < ast->sub_packet_cnt; x++) ast->sub_packet_lengths[x] = get_be16(pb); // Release first audio packet rm->audio_pkt_cnt = ast->sub_packet_cnt - 1; av_get_packet(pb, pkt, ast->sub_packet_lengths[0]); *flags = 2; // Mark first packet as keyframe } } else { av_get_packet(pb, pkt, len); rm_ac3_swap_bytes(st, pkt); } } else av_get_packet(pb, pkt, len); if( (st->discard >= AVDISCARD_NONKEY && !(*flags&2)) || st->discard >= AVDISCARD_ALL){ av_free_packet(pkt); return -1; } pkt->stream_index = st->index; #if 0 if (st->codec->codec_type == CODEC_TYPE_VIDEO) { if(st->codec->codec_id == CODEC_ID_RV20){ int seq= 128*(pkt->data[2]&0x7F) + (pkt->data[3]>>1); av_log(s, AV_LOG_DEBUG, "%d %"PRId64" %d\n", *timestamp, *timestamp*512LL/25, seq); seq |= (*timestamp&~0x3FFF); if(seq - *timestamp > 0x2000) seq -= 0x4000; if(seq - *timestamp < -0x2000) seq += 0x4000; } } #endif pkt->pts= *timestamp; if (*flags & 2) pkt->flags |= PKT_FLAG_KEY; return st->codec->codec_type == CODEC_TYPE_AUDIO ? rm->audio_pkt_cnt : 0; }
ff_rm_parse_packet (AVFormatContext *s, ByteIOContext *pb, AVStream *st, RMStream *ast, int len, AVPacket *pkt, int *seq, int *flags, int64_t *timestamp) { RMDemuxContext *rm = s->priv_data; if (st->codec->codec_type == CODEC_TYPE_VIDEO) { rm->current_stream= st->id; if(rm_assemble_video_frame(s, pb, rm, ast, pkt, len)) return -1;  