void ff_fix_long_mvs(MpegEncContext * s, uint8_t *field_select_table, int field_select, int16_t (*mv_table)[2], int f_code, int type, int truncate) { MotionEstContext * const c= &s->me; int y, h_range, v_range; // RAL: 8 in MPEG-1, 16 in MPEG-4 int range = (((s->out_format == FMT_MPEG1 || s->msmpeg4_version) ? 8 : 16) << f_code); if(c->avctx->me_range && range > c->avctx->me_range) range= c->avctx->me_range; h_range= range; v_range= field_select_table ? range>>1 : range; /* clip / convert to intra 16x16 type MVs */ for(y=0; y<s->mb_height; y++){ int x; int xy= y*s->mb_stride; for(x=0; x<s->mb_width; x++){ if (s->mb_type[xy] & type){ // RAL: "type" test added... if(field_select_table==NULL || field_select_table[xy] == field_select){ if( mv_table[xy][0] >=h_range || mv_table[xy][0] <-h_range || mv_table[xy][1] >=v_range || mv_table[xy][1] <-v_range){ if(truncate){ if (mv_table[xy][0] > h_range-1) mv_table[xy][0]= h_range-1; else if(mv_table[xy][0] < -h_range ) mv_table[xy][0]= -h_range; if (mv_table[xy][1] > v_range-1) mv_table[xy][1]= v_range-1; else if(mv_table[xy][1] < -v_range ) mv_table[xy][1]= -v_range; }else{ s->mb_type[xy] &= ~type; s->mb_type[xy] |= CANDIDATE_MB_TYPE_INTRA; mv_table[xy][0]= mv_table[xy][1]= 0; } } } } xy++; } } }