videolan/ffmpeg
1
Fork 0
mirror of https://git.videolan.org/git/ffmpeg.git synced 2024-08-01 08:49:59 +02:00
Code Releases Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
ffmpeg.c
View File

@ -764,8 +764,29 @@ static void print_report(AVFormatContext **output_files,
frame_number = ost->frame_number;
sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
if (enc->flags&CODEC_FLAG_PSNR)
sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
if(is_last_report)
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;
}
/* compute min output value */