why didnt they just compress the skip-mb bits instead of reusing them ?! */
if(s->max_b_frames>0){
int i;
- const int offset= (s->mb_x + s->mb_y*s->linesize)*16;
- uint8_t *p_pic= s->new_picture[0] + offset;
+ int x,y, offset;
+ uint8_t *p_pic;
+
+ x= s->mb_x*16;
+ y= s->mb_y*16;
+ if(x+16 > s->width) x= s->width-16;
+ if(y+16 > s->height) y= s->height-16;
+
+ offset= x + y*s->linesize;
+ p_pic= s->new_picture[0] + offset;
+
s->mb_skiped=1;
for(i=0; i<s->max_b_frames; i++){
uint8_t *b_pic;
b_pic= s->coded_order[i+1].picture[0] + offset;
diff= pix_abs16x16(p_pic, b_pic, s->linesize);
- if(diff>s->qscale*70){
+ if(diff>s->qscale*70){ //FIXME check that 70 is optimal
s->mb_skiped=0;
break;
}
return;
}
}
+
put_bits(&s->pb, 1, 0); /* mb coded */
if(s->mv_type==MV_TYPE_16X16){
cbpc = cbp & 3;
s->last_mv[0][0][1]= s->mv[0][0][1] = my;
PRINT_MB_TYPE("F");
break;
- default: return -1;
+ default:
+ printf("illegal MB_type\n");
+ return -1;
}
} else { /* I-Frame */
cbpc = get_vlc(&s->gb, &intra_MCBPC_vlc);