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authorMichael Niedermayer <michaelni@gmx.at>2007-07-29 21:34:31 +0000
committerMichael Niedermayer <michaelni@gmx.at>2007-07-29 21:34:31 +0000
commit2711cb28f46463760f0326d806fe5ef9551ade2c (patch)
tree4f04370e4f83e1ac6190a01bc1fedbd71d0c4cfe /libavcodec/ratecontrol.c
parent3dd2a1c53f6678b1e30606116d835ee73238ae08 (diff)
prevent assert failure with negative quant_offset
Originally committed as revision 9830 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/ratecontrol.c')
-rw-r--r--libavcodec/ratecontrol.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c
index d62bc851d8..961f83570a 100644
--- a/libavcodec/ratecontrol.c
+++ b/libavcodec/ratecontrol.c
@@ -371,6 +371,7 @@ static double get_qscale(MpegEncContext *s, RateControlEntry *rce, double rate_f
q= -q*s->avctx->i_quant_factor + s->avctx->i_quant_offset;
else if(pict_type==B_TYPE && s->avctx->b_quant_factor<0.0)
q= -q*s->avctx->b_quant_factor + s->avctx->b_quant_offset;
+ if(q<1) q=1;
return q;
}
@@ -386,6 +387,7 @@ static double get_diff_limited_q(MpegEncContext *s, RateControlEntry *rce, doubl
q= last_p_q *FFABS(a->i_quant_factor) + a->i_quant_offset;
else if(pict_type==B_TYPE && a->b_quant_factor>0.0)
q= last_non_b_q* a->b_quant_factor + a->b_quant_offset;
+ if(q<1) q=1;
/* last qscale / qdiff stuff */
if(rcc->last_non_b_pict_type==pict_type || pict_type!=I_TYPE){