psnr              224 ext/gd/libgd/webpimg.c   double psnr = 0;
psnr              234 ext/gd/libgd/webpimg.c   psnr = GetPSNRYuv(Y1, U1, V1, Y2, U2, V2, w, h);
psnr              237 ext/gd/libgd/webpimg.c   return psnr;
psnr              754 ext/gd/libgd/webpimg.c                       double *psnr) {
psnr              796 ext/gd/libgd/webpimg.c 	  if (psnr) {
psnr              797 ext/gd/libgd/webpimg.c 		*psnr = WebPGetPSNR(Y, U, V, *p_out, *p_out_size_bytes);
psnr              111 ext/gd/libgd/webpimg.h                       double* psnr);