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check qblur > 1 (prevent assert failure / segfault)
fixes sf bug #797610 Originally committed as revision 9166 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -201,6 +201,10 @@ int ff_rate_control_init(MpegEncContext *s)
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rcc->pass1_rc_eq_output_sum= 0.001;
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rcc->pass1_wanted_bits=0.001;
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if(s->avctx->qblur > 1.0){
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av_log(s->avctx, AV_LOG_ERROR, "qblur too large\n");
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return -1;
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}
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/* init stuff with the user specified complexity */
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if(s->avctx->rc_initial_cplx){
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for(i=0; i<60*30; i++){
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