commit ece841f03f1440d0b1b0f839a8730888bb2ad577
author Marco <marpan@chromium.org> Thu Sep 24 15:15:29 2015 -0700
committer Marco <marpan@chromium.org> Thu Sep 24 16:40:29 2015 -0700
tree 14e26b99ea3478ce84953f5bb40e2607507cae32
parent 20b770eecd2fe3ff4b8be7c58fb9d67b32fee591

VP8: Adjust rate correction factor for drop due to overshoot.

Change-Id: Id70ca2e18a46247720eb631ae13a8430bd8b0954

vp8/encoder/ratectrl.c

diff --git a/vp8/encoder/ratectrl.c b/vp8/encoder/ratectrl.c
index f264222..63c8e68 100644
--- a/vp8/encoder/ratectrl.c
+++ b/vp8/encoder/ratectrl.c
@@ -1596,6 +1596,10 @@
       // Drop this frame: advance frame counters, and set force_maxqp flag.
       cpi->common.current_video_frame++;
       cpi->frames_since_key++;
+      // Adjust rate correction factor upwards.
+      cpi->rate_correction_factor *= 2.0;
+      if (cpi->rate_correction_factor > MAX_BPB_FACTOR)
+        cpi->rate_correction_factor = MAX_BPB_FACTOR;
       // Flag to indicate we will force next frame to be encoded at max QP.
       cpi->force_maxqp = 1;
       return 1;