shithub: libvpx

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vp9: Remove this_key_frame_forced setting for CBR.

The setting this_key_frame_forced can lead to large key frame sizes,
not suitable for CBR rate control used for RTC.

Change-Id: Idf6d2bf385d5b1494f4bf783f623b7c202f34e55

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

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

@@ -1775,8 +1775,6 @@

   if ((cm->current_video_frame == 0 || (cpi->frame_flags & FRAMEFLAGS_KEY) ||

        rc->frames_to_key == 0 || (cpi->oxcf.auto_key && 0))) {

     cm->frame_type = KEY_FRAME;

-    rc->this_key_frame_forced =

-        cm->current_video_frame != 0 && rc->frames_to_key == 0;

     rc->frames_to_key = cpi->oxcf.key_freq;

     rc->kf_boost = DEFAULT_KF_BOOST;

     rc->source_alt_ref_active = 0;