shithub: libvpx

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Merge "vp9: Be more responsive to massive overshoot."

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

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

@@ -500,6 +500,12 @@

   else

     cpi->rc.rc_1_frame = 0;

+  // Turn off oscilation detection in the case of massive overshoot.

+  if (cpi->rc.rc_1_frame == -1 && cpi->rc.rc_2_frame == 1 &&

+      correction_factor > 1000) {

+    cpi->rc.rc_2_frame = 0;

+  }

+

   if (correction_factor > 102) {

     // We are not already at the worst allowable quality

     correction_factor = (int)(100 + ((correction_factor - 100) *