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qprd + mpeg2 segfault fix 

Originally committed as revision 3461 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-09-14 17:17:12 +00:00
parent 0bae10ccec
commit 2d3601b564
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mpegvideo.c
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@ -4408,7 +4408,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
if(qp < s->avctx->qmin || qp > s->avctx->qmax)
break;
backup_s.dquant= dquant;
if(s->mb_intra){
if(s->mb_intra && s->dc_val[0]){
for(i=0; i<6; i++){
dc[i]= s->dc_val[0][ s->block_index[i] ];
memcpy(ac[i], s->ac_val[0][s->block_index[i]], sizeof(DCTELEM)*16);
@ -4418,7 +4418,7 @@ static int encode_thread(AVCodecContext *c, void *arg){
encode_mb_hq(s, &backup_s, &best_s, CANDIDATE_MB_TYPE_INTER /* wrong but unused */, pb, pb2, tex_pb,
&dmin, &next_block, s->mv[mvdir][0][0], s->mv[mvdir][0][1]);
if(best_s.qscale != qp){
if(s->mb_intra){
if(s->mb_intra && s->dc_val[0]){
for(i=0; i<6; i++){
s->dc_val[0][ s->block_index[i] ]= dc[i];
memcpy(s->ac_val[0][s->block_index[i]], ac[i], sizeof(DCTELEM)*16);