shithub: libvpx

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ref: 01613aa753b6ce906a84d0628f210c0848362e25
parent: 5fdd0f1fe071659873ed99eab14cf30078ed6ba4
author: Jingning Han <[email protected]>
date: Tue Dec 16 10:46:59 EST 2014

Set second ref frame to be NONE in key frame coding

This commit explicitly set the second reference frame type to be
NONE in key frame coding mode. This fixes a subtle dependency of
reference motion vector used by next inter frame on mode_info
reset before key frame coding.

Change-Id: I5ff0359753fdc9992b0bfe889490f7a32d7d5f6a

--- a/vp9/encoder/vp9_rdopt.c

+++ b/vp9/encoder/vp9_rdopt.c

@@ -2726,6 +2726,7 @@

   x->skip_encode = 0;

   ctx->skip = 0;

   xd->mi[0].src_mi->mbmi.ref_frame[0] = INTRA_FRAME;

+  xd->mi[0].src_mi->mbmi.ref_frame[1] = NONE;

   if (bsize >= BLOCK_8X8) {

     if (rd_pick_intra_sby_mode(cpi, x, &rate_y, &rate_y_tokenonly,