[x265] [PATCH] rc: check scenecut flag for resetting abr

[Divya Manivannan]

# HG changeset patch
# User Divya Manivannan <divya at multicorewareinc.com>
# Date 1462281215 -19800
#      Tue May 03 18:43:35 2016 +0530
# Node ID 0107457fd62c5ebfcf6448c916bf658a068a1404
# Parent  00ea3784bd36c164c5f799c998d7a09f2cb244bf
rc: check scenecut flag for resetting abr

diff -r 00ea3784bd36 -r 0107457fd62c source/encoder/ratecontrol.cpp
--- a/source/encoder/ratecontrol.cpp	Thu Apr 28 09:59:30 2016 +0200
+++ b/source/encoder/ratecontrol.cpp	Tue May 03 18:43:35 2016 +0530
@@ -1123,11 +1123,13 @@
         copyRceData(rce, &m_rce2Pass[index]);
     }
     rce->isActive = true;
+    rce->scenecut = false;
     bool isRefFrameScenecut = m_sliceType!= I_SLICE && m_curSlice->m_refFrameList[0][0]->m_lowres.bScenecut;
     m_isFirstMiniGop = m_sliceType == I_SLICE ? true : m_isFirstMiniGop;
     if (curFrame->m_lowres.bScenecut)
     {
         m_isSceneTransition = true;
+        rce->scenecut = true;
         m_lastPredictorReset = rce->encodeOrder;
 
         initFramePredictors();
@@ -1922,7 +1924,7 @@
     double abrBuffer = 2 * m_rateTolerance * m_bitrate;
 
     // Check if current Slice is a scene cut that follows low detailed/blank frames
-    if (rce->lastSatd > 4 * rce->movingAvgSum)
+    if (rce->lastSatd > 4 * rce->movingAvgSum || rce->scenecut)
     {
         if (!m_isAbrReset && rce->movingAvgSum > 0
             && (m_isPatternPresent || !m_param->bframes))
diff -r 00ea3784bd36 -r 0107457fd62c source/encoder/ratecontrol.h
--- a/source/encoder/ratecontrol.h	Thu Apr 28 09:59:30 2016 +0200
+++ b/source/encoder/ratecontrol.h	Tue May 03 18:43:35 2016 +0530
@@ -107,6 +107,7 @@
     int      miscBits;
     int      coeffBits;
     bool     keptAsRef;
+    bool     scenecut;
 
     SEIPictureTiming *picTimingSEI;
     HRDTiming        *hrdTiming;