shithub: libvpx

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Try to enable 8x8 tranform for smaller resolution

The commit overall on derf test is break even to very slightly positive
comparing to all 4x4 transform.

Change-Id: I2a7c19599aa54c2d3a5b35db0dc891ba8a6a2b26

--- a/vp8/encoder/ratectrl.c

+++ b/vp8/encoder/ratectrl.c

@@ -252,7 +252,8 @@

 void vp8_setup_inter_frame(VP8_COMP *cpi)

 {

 #if CONFIG_T8X8

-    if(cpi->common.Width * cpi->common.Height > 640*360)

+    if(cpi->common.Width * cpi->common.Height > 640*360

+        ||cpi->this_frame_target < 7 * cpi->common.MBs)

         cpi->common.txfm_mode = ALLOW_8X8;

     else

         cpi->common.txfm_mode = ONLY_4X4;