shithub: libvpx

Info  •  Files  •  Log  •  Branches

Changed MAX_PSNR to be consistent with internal stats

The maximum psnr has a marginal impact on the overall output in high
quality encodings, the change will make sure the psnr output to be
consistent with encoder internal stats.

Change-Id: I35cf2f85008ec127a7d91c9eb69fa7811798ae32

--- a/vpxenc.c

+++ b/vpxenc.c

@@ -888,7 +888,7 @@

 }

 #include "math.h"

-

+#define MAX_PSNR 100

 static double vp8_mse2psnr(double Samples, double Peak, double Mse)

 {

     double psnr;

@@ -896,10 +896,10 @@

     if ((double)Mse > 0.0)

         psnr = 10.0 * log10(Peak * Peak * Samples / Mse);

     else

-        psnr = 60;      // Limit to prevent / 0

+        psnr = MAX_PSNR;      // Limit to prevent / 0

-    if (psnr > 60)

-        psnr = 60;

+    if (psnr > MAX_PSNR)

+        psnr = MAX_PSNR;

     return psnr;

 }