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10l / 4mv segfault fix 

Originally committed as revision 1517 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-01-28 09:26:00 +00:00
parent 1501987b46
commit cb009a8cff
1 changed files with 7 additions and 7 deletions
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14
libavcodec/motion_est.c
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@ -870,8 +870,8 @@ static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xma
dmin4= s->me.sub_motion_search(s, &mx4, &my4, dmin4, rel_xmin4, rel_ymin4, rel_xmax4, rel_ymax4,
pred_x4, pred_y4, &s->last_picture, block, 1, mv_penalty);
if(s->dsp.me_sub_cmp != s->dsp.mb_cmp){
if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
int dxy;
const int offset= ((block&1) + (block>>1)*s->linesize)*8;
uint8_t *dest_y = s->me.scratchpad + offset;
@ -881,17 +881,17 @@ static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xma
dxy = ((my4 & 3) << 2) | (mx4 & 3);
if(s->no_rounding)
s->dsp.put_no_rnd_qpel_pixels_tab[0][dxy](dest_y , ref , s->linesize);
s->dsp.put_no_rnd_qpel_pixels_tab[1][dxy](dest_y , ref , s->linesize);
else
s->dsp.put_qpel_pixels_tab [0][dxy](dest_y , ref , s->linesize);
s->dsp.put_qpel_pixels_tab [1][dxy](dest_y , ref , s->linesize);
}else{
uint8_t *ref= s->last_picture.data[0] + (s->mb_x*16 + (mx4>>1)) + (s->mb_y*16 + (my4>>1))*s->linesize + offset;
dxy = ((my4 & 1) << 1) | (mx4 & 1);
if(s->no_rounding)
s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y , ref , s->linesize, 16);
s->dsp.put_no_rnd_pixels_tab[1][dxy](dest_y , ref , s->linesize, 8);
else
s->dsp.put_pixels_tab [0][dxy](dest_y , ref , s->linesize, 16);
s->dsp.put_pixels_tab [1][dxy](dest_y , ref , s->linesize, 8);
}
dmin_sum+= (mv_penalty[mx4-pred_x4] + mv_penalty[my4-pred_y4])*s->me.mb_penalty_factor;
}else
@ -909,7 +909,7 @@ static inline int h263_mv4_search(MpegEncContext *s, int xmin, int ymin, int xma
s->motion_val[ s->block_index[block] ][1]= my4;
}
if(s->dsp.me_sub_cmp != s->dsp.mb_cmp){
if(s->dsp.me_sub_cmp[0] != s->dsp.mb_cmp[0]){
dmin_sum += s->dsp.mb_cmp[0](s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*16*s->linesize, s->me.scratchpad, s->linesize);
}