From ec9ed85dc73a9ead14dce086625996da8858c475 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 20 Nov 2006 11:53:02 +0000 Subject: [PATCH] infiinit loop fix for CBR + adaptive quant Originally committed as revision 7133 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpegvideo.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index 791744d3f1..ae527d423a 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -2552,6 +2552,11 @@ vbv_retry: if(put_bits_count(&s->pb) > max_size && s->lambda < s->avctx->lmax){ s->next_lambda= FFMAX(s->lambda+1, s->lambda*(s->qscale+1) / s->qscale); + if(s->adaptive_quant){ + int i; + for(i=0; imb_height*s->mb_width; i++) + s->lambda_table[i]= FFMAX(s->lambda_table[i]+1, s->lambda_table[i]*(s->qscale+1) / s->qscale); + } s->mb_skipped = 0; //done in MPV_frame_start() if(s->pict_type==P_TYPE){ //done in encode_picture() so we must undo it if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)