shithub: libvpx

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Avoid setting rate multiplier as 0

In high bitdepth setting, the rate multipier may be set as 0. In
lossless mode, the RD cost would always be 0, resulting in bad
partition and prediction mode choices.

Change-Id: I297014dd8bfa8a07ff0ab480119f75678300ff68

--- a/vp10/encoder/rd.c

+++ b/vp10/encoder/rd.c

@@ -177,6 +177,8 @@

     rdmult = (rdmult * rd_frame_type_factor[frame_type]) >> 7;

     rdmult += ((rdmult * rd_boost_factor[boost_index]) >> 7);

   }

+  if (rdmult < 1)

+    rdmult = 1;

   return (int)rdmult;

 }

--- a/vp9/encoder/vp9_rd.c

+++ b/vp9/encoder/vp9_rd.c

@@ -177,6 +177,8 @@

     rdmult = (rdmult * rd_frame_type_factor[frame_type]) >> 7;

     rdmult += ((rdmult * rd_boost_factor[boost_index]) >> 7);

   }

+  if (rdmult < 1)

+    rdmult = 1;

   return (int)rdmult;

 }