shithub: libvpx

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Rate control parameter adjustment

Adjusts the bits per mb parameter about 10% smaller.

Results at speed 0:
fullderfraw: +0.255%
fullstdhdraw: +0.262%
stdhdraw250: +0.291%

Change-Id: I2b7317ac3f61737bc77eb5470aad870cade83fa5

--- a/vp9/encoder/vp9_ratectrl.c

+++ b/vp9/encoder/vp9_ratectrl.c

@@ -61,7 +61,7 @@

                     double correction_factor) {

   const double q = vp9_convert_qindex_to_q(qindex);

-  int enumerator = frame_type == KEY_FRAME ? 4000000 : 2500000;

+  int enumerator = frame_type == KEY_FRAME ? 3300000 : 2250000;

   // q based adjustment to baseline enumerator

   enumerator += (int)(enumerator * q) >> 12;