static int decode_ref_pic_marking(H264Context *h){ MpegEncContext * const s = &h->s; int i; if(h->nal_unit_type == NAL_IDR_SLICE){ //FIXME fields s->broken_link= get_bits1(&s->gb) -1; h->mmco[0].long_index= get_bits1(&s->gb) - 1; // current_long_term_idx if(h->mmco[0].long_index == -1) h->mmco_index= 0; else{ h->mmco[0].opcode= MMCO_LONG; h->mmco_index= 1; } }else{ if(get_bits1(&s->gb)){ // adaptive_ref_pic_marking_mode_flag for(i= 0; i<MAX_MMCO_COUNT; i++) { MMCOOpcode opcode= get_ue_golomb(&s->gb);; h->mmco[i].opcode= opcode; if(opcode==MMCO_SHORT2UNUSED || opcode==MMCO_SHORT2LONG){ h->mmco[i].short_frame_num= (h->frame_num - get_ue_golomb(&s->gb) - 1) & ((1<<h->sps.log2_max_frame_num)-1); //FIXME fields /* if(h->mmco[i].short_frame_num >= h->short_ref_count || h->short_ref[ h->mmco[i].short_frame_num ] == NULL){ av_log(s->avctx, AV_LOG_ERROR, "illegal short ref in memory management control operation %d\n", mmco); return -1; }*/ } if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){ h->mmco[i].long_index= get_ue_golomb(&s->gb); if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode); return -1; } } if(opcode > MMCO_LONG){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode); return -1; } if(opcode == MMCO_END) break; } h->mmco_index= i; }else{ assert(h->long_ref_count + h->short_ref_count <= h->sps.ref_frame_count); if(h->long_ref_count + h->short_ref_count == h->sps.ref_frame_count){ //FIXME fields h->mmco[0].opcode= MMCO_SHORT2UNUSED; h->mmco[0].short_frame_num= h->short_ref[ h->short_ref_count - 1 ]->frame_num; h->mmco_index= 1; }else h->mmco_index= 0; } } return 0; }