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nicer looking PSNR stats (YUV seperate and print the whole file PSNR at the end instead of the last frame's) 

Originally committed as revision 2635 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-12-29 23:08:30 +00:00
parent 1031fabd14
commit 890972be03
1 changed files with 23 additions and 2 deletions
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ffmpeg.c
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@ -764,8 +764,29 @@ static void print_report(AVFormatContext **output_files,
frame_number = ost->frame_number; frame_number = ost->frame_number;
sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ", sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0); frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
if (enc->flags&CODEC_FLAG_PSNR) if(is_last_report)
sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0))); sprintf(buf + strlen(buf), "L");
if (enc->flags&CODEC_FLAG_PSNR){
int j;
double error, error_sum=0;
double scale, scale_sum=0;
char type[3]= {'Y','U','V'};
sprintf(buf + strlen(buf), "PSNR=");
for(j=0; j<3; j++){
if(is_last_report){
error= enc->error[j];
scale= enc->width*enc->height*255.0*255.0*frame_number;
}else{
error= enc->coded_frame->error[j];
scale= enc->width*enc->height*255.0*255.0;
}
if(j) scale/=4;
error_sum += error;
scale_sum += scale;
sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
}
sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
}
vid = 1; vid = 1;
} }
/* compute min output value */ /* compute min output value */