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non YV12 vissualization fix by (Wolfgang Hesseler <qv at multimediaware dot com>) 

Originally committed as revision 2662 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-01-04 17:13:14 +00:00
parent 5ac59c559b
commit 0982834b04
1 changed files with 3 additions and 1 deletions
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4
libavcodec/mpegvideo.c
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@ -1491,10 +1491,12 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){
int mb_y;
uint8_t *ptr;
int i;
int h_chroma_shift, v_chroma_shift;
s->low_delay=0; //needed to see the vectors without trashing the buffers
avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
for(i=0; i<3; i++){
memcpy(s->visualization_buffer[i], pict->data[i], (i==0) ? pict->linesize[i]*s->height:pict->linesize[i]*s->height/2);
memcpy(s->visualization_buffer[i], pict->data[i], (i==0) ? pict->linesize[i]*s->height:pict->linesize[i]*s->height >> v_chroma_shift);
pict->data[i]= s->visualization_buffer[i];
}
pict->type= FF_BUFFER_TYPE_COPY;