generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

qprd with b frames fix

Browse Source 
Originally committed as revision 2518 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-11-13 23:45:25 +00:00
parent dd3e415e06
commit ad0d17f1f8
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/mpegvideo.c
View File

@ -3840,6 +3840,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
const int last_qp= backup_s.qscale;
int dquant, dir, qp, dc[6];
DCTELEM ac[6][16];
const int mvdir= (best_s.mv_dir&MV_DIR_BACKWARD) ? 1 : 0;
assert(backup_s.dquant == 0);
@ -3853,7 +3854,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
s->mv[1][0][1] = best_s.mv[1][0][1];
dir= s->pict_type == B_TYPE ? 2 : 1;
if(last_qp + dir >= s->avctx->qmax) dir= -dir;
if(last_qp + dir > s->avctx->qmax) dir= -dir;
for(dquant= dir; dquant<=2 && dquant>=-2; dquant += dir){
qp= last_qp + dquant;
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
@ -3867,7 +3868,7 @@ static void encode_picture(MpegEncContext *s, int picture_number)
}
encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
&dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
if(best_s.qscale != qp){
if(s->mb_intra){
for(i=0; i<6; i++){