shithub: opus

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Adjusted stereo bit allocation to be higher than mono for the same alloc line

--- a/libcelt/modes.c

+++ b/libcelt/modes.c

@@ -208,19 +208,22 @@

       eband = 0;

       for (j=0;j<BARK_BANDS;j++)

       {

-         int edge, low;

+         int edge, low, alloc;

          edge = mode->eBands[eband+1]*res;

+         alloc = band_allocation[i*BARK_BANDS+j];

+         if (mode->nbChannels == 2)

+            alloc += alloc/2;

          if (edge < bark_freq[j+1])

          {

             int num, den;

-            num = band_allocation[i*BARK_BANDS+j] * (edge-bark_freq[j]);

+            num = alloc * (edge-bark_freq[j]);

             den = bark_freq[j+1]-bark_freq[j];

             low = (num+den/2)/den;

             allocVectors[i*mode->nbEBands+eband] += low;

             eband++;

-            allocVectors[i*mode->nbEBands+eband] += band_allocation[i*BARK_BANDS+j]-low;

+            allocVectors[i*mode->nbEBands+eband] += alloc-low;

          } else {

-            allocVectors[i*mode->nbEBands+eband] += band_allocation[i*BARK_BANDS+j];

+            allocVectors[i*mode->nbEBands+eband] += alloc;

          }

       }

    }