shithub: libvpx

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vp9: Add key_frame condition to is_reference check for loopfilter.

This condiiton is not needed as key_frame should set the refresh
of the reference frames, but good to have for clarity in condition.

Change-Id: Icf9838e7e4f0ff5cf0a9562ae3b5d6c7e6f78702

--- a/vp9/encoder/vp9_encoder.c

+++ b/vp9/encoder/vp9_encoder.c

@@ -2619,8 +2619,8 @@

   struct loopfilter *lf = &cm->lf;

   const int is_reference_frame =

-      (cpi->refresh_last_frame || cpi->refresh_golden_frame ||

-       cpi->refresh_alt_ref_frame);

+      (cm->frame_type == KEY_FRAME || cpi->refresh_last_frame ||

+       cpi->refresh_golden_frame || cpi->refresh_alt_ref_frame);

   if (xd->lossless) {

     lf->filter_level = 0;