videolan/ffmpeg
1
Fork 0
mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-20 08:15:06 +02:00
Code Releases Activity

h263 MV prediction doesnt match mpeg4, for some slices configurations (fixes RV20 MVs)

Browse Source 
Originally committed as revision 2551 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-12-01 20:04:14 +00:00
parent 5b5404e32f
commit e1f03acc42
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/h263.c
View File

@ -1473,7 +1473,7 @@ int16_t *h263_pred_motion(MpegEncContext * s, int block,
if(block==0){ //most common case
if(s->mb_x == s->resync_mb_x){ //rare
*px= *py = 0;
}else if(s->mb_x + 1 == s->resync_mb_x){ //rare
}else if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
C = s->motion_val[xy + off[block] - wrap];
if(s->mb_x==0){
*px = C[0];
@ -1487,7 +1487,7 @@ int16_t *h263_pred_motion(MpegEncContext * s, int block,
*py = A[1];
}
}else if(block==1){
if(s->mb_x + 1 == s->resync_mb_x){ //rare
if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
C = s->motion_val[xy + off[block] - wrap];
*px = mid_pred(A[0], 0, C[0]);
*py = mid_pred(A[1], 0, C[1]);