Changeset 524 in SHVCSoftware for branches/SHM-4.1-dev/source/Lib/TLibDecoder

Timestamp:

19 Dec 2013, 17:46:32 (11 years ago)

Author:

ericsson

Message:

JCTVC-O0199: Skip picture at ARC switch (MACRO: HIGHER_LAYER_IRAP_SKIP_FLAG)

Support for coding higher layer picture as skip at ARC switching by setting SkipPictureAtArcSwitch to 1.

From: Jonatan Samuelsson <jonatan.samuelsson@…>

Location:

branches/SHM-4.1-dev/source/Lib/TLibDecoder

Files:

• TDecCAVLC.cpp (modified) (1 diff)
• TDecCu.cpp (modified) (1 diff)

branches/SHM-4.1-dev/source/Lib/TLibDecoder/TDecCAVLC.cpp

@@ -1471 +1471 @@
   READ_FLAG(uiCode, "single_layer_for_non_irap_flag" ); vps->setSingleLayerForNonIrapFlag(uiCode == 1 ? true : false);
 #endif
+#if HIGHER_LAYER_IRAP_SKIP_FLAG
+  READ_FLAG(uiCode, "higher_layer_irap_skip_flag" ); vps->setHigherLayerIrapSkipFlag(uiCode == 1 ? true : false);
+#endif
 
   READ_FLAG( uiCode,  "vps_vui_present_flag" );

branches/SHM-4.1-dev/source/Lib/TLibDecoder/TDecCu.cpp

@@ -317 +317 @@
   }
  
+#if HIGHER_LAYER_IRAP_SKIP_FLAG
+  if (pcCU->getSlice()->getVPS()->getHigherLayerIrapSkipFlag() && pcCU->getSlice()->getVPS()->getSingleLayerForNonIrapFlag() && pcCU->getLayerId() > 0)
+  {
+    Bool lowerLayerExist = false;
+    for(int i=0;i<pcCU->getLayerId();i++)
+    {
+      if(pcCU->getSlice()->getBaseColPic(pcCU->getSlice()->getInterLayerPredLayerIdc(i)))
+      {
+        lowerLayerExist = true;
+      }
+    }
+    if(lowerLayerExist)
+    {
+      assert(pcCU->isSkipped(uiAbsPartIdx));
+    }
+  }
+#endif
+ 
   if( pcCU->isSkipped(uiAbsPartIdx) )
   {