public int ff_h264_decode_ref_pic_marking(GetBitContext gb)
{
int i;
this.mmco_index = 0;
if (this.nal_unit_type == NAL_IDR_SLICE)
{ //FIXME fields
s.broken_link = (int)gb.get_bits1("broken_link") - 1;
if (gb.get_bits1("MMCO_LONG?") != 0)
{
this.mmco[0].opcode = MMCO.MMCO_LONG;
this.mmco[0].long_arg = 0;
this.mmco_index = 1;
}
}
else
{
if (gb.get_bits1("adaptive_ref_pic_marking_mode_flag") != 0)
{ // adaptive_ref_pic_marking_mode_flag
for (i = 0; i < MAX_MMCO_COUNT; i++)
{
/*MMCOOpcode*/
int opcode = gb.get_ue_golomb_31("MMCOOpcode");
this.mmco[i].opcode = opcode;
if (opcode == MMCO.MMCO_SHORT2UNUSED || opcode == MMCO.MMCO_SHORT2LONG)
{
this.mmco[i].short_pic_num = (this.curr_pic_num - gb.get_ue_golomb("?") - 1) & (this.max_pic_num - 1);
/* if(this.mmco[i].short_pic_num >= this.short_ref_count || this.short_ref[ this.mmco[i].short_pic_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.MMCO_SHORT2LONG || opcode == MMCO.MMCO_LONG2UNUSED || opcode == MMCO.MMCO_LONG || opcode == MMCO.MMCO_SET_MAX_LONG)
{
/*unsigned */
int long_arg = gb.get_ue_golomb_31("long_arg");
if (long_arg >= 32 || (long_arg >= 16 && !(opcode == MMCO.MMCO_LONG2UNUSED && (s.picture_structure != Constants.PICT_FRAME))))
{
//av_log(this.s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
return -58;
}
this.mmco[i].long_arg = long_arg;
}
if (opcode > /*(unsigned)*/MMCO.MMCO_LONG)
{
//av_log(this.s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
return -59;
}
if (opcode == MMCO.MMCO_END)
break;
}
this.mmco_index = i;
}
else
{
this.ff_generate_sliding_window_mmcos();
}
}
return 0;
}