Changeset 1386 in 3DVCSoftware for trunk/source/Lib/TLibEncoder/TEncRateCtrl.cpp

Timestamp:

13 Nov 2015, 16:29:39 (8 years ago)

Author:

tech

Message:

Merged 15.1-dev1@1381.

File:

• trunk/source/Lib/TLibEncoder/TEncRateCtrl.cpp (modified) (2 diffs)

trunk/source/Lib/TLibEncoder/TEncRateCtrl.cpp

@@ -1639 +1639 @@
     m_encRCSeq->initLCUPara();
   }
+#if U0132_TARGET_BITS_SATURATION
+  m_CpbSaturationEnabled = false;
+  m_cpbSize              = targetBitrate;
+  m_cpbState             = (UInt)(m_cpbSize*0.5f);
+  m_bufferingRate        = (Int)(targetBitrate / frameRate);
+#endif
 
 #if KWU_RC_MADPRED_E0227
@@ -1664 +1670 @@
 }
 
+#if U0132_TARGET_BITS_SATURATION
+Int  TEncRateCtrl::updateCpbState(Int actualBits)
+{
+  Int cpbState = 1;
+
+  m_cpbState -= actualBits;
+  if (m_cpbState < 0)
+  {
+    cpbState = -1;
+  }
+
+  m_cpbState += m_bufferingRate;
+  if (m_cpbState > m_cpbSize)
+  {
+    cpbState = 0;
+  }
+
+  return cpbState;
+}
+
+Void TEncRateCtrl::initHrdParam(const TComHRD* pcHrd, Int iFrameRate, Double fInitialCpbFullness)
+{
+  m_CpbSaturationEnabled = true;
+  m_cpbSize = (pcHrd->getCpbSizeValueMinus1(0, 0, 0) + 1) << (4 + pcHrd->getCpbSizeScale());
+  m_cpbState = (UInt)(m_cpbSize*fInitialCpbFullness);
+  m_bufferingRate = (UInt)(((pcHrd->getBitRateValueMinus1(0, 0, 0) + 1) << (6 + pcHrd->getBitRateScale())) / iFrameRate);
+  printf("\nHRD - [Initial CPB state %6d] [CPB Size %6d] [Buffering Rate %6d]\n", m_cpbState, m_cpbSize, m_bufferingRate);
+}
+#endif
+
 Void TEncRateCtrl::destroyRCGOP()
 {