[MPlayer-cvslog] r25080 - trunk/stream/tvi_dshow.c

[voroshil]

Author: voroshil
Date: Sat Nov 17 20:32:18 2007
New Revision: 25080

Log:
Disable terminating directshow chains with NullRenderer filter,
bacause this causes jerky video.



Modified:
   trunk/stream/tvi_dshow.c

Modified: trunk/stream/tvi_dshow.c
==============================================================================
--- trunk/stream/tvi_dshow.c	(original)
+++ trunk/stream/tvi_dshow.c	Sat Nov 17 20:32:18 2007
@@ -1426,6 +1426,12 @@ static HRESULT build_sub_graph(priv_t * 
             OLE_RELEASE_SAFE(pEnum);
         }else
         {
+#if 0
+            /*
+               Code below is disabled, because terminating chain with NullRenderer leads to jerky video.
+               Perhaps, this happens because  NullRenderer filter discards each received
+               frame while discarded frames causes live source filter to dramatically reduce frame rate. 
+            */
             /* adding sink for video stream */
             hr = CoCreateInstance((GUID *) & CLSID_NullRenderer, NULL,CLSCTX_INPROC_SERVER, &IID_IBaseFilter,(void *) &pNR);
             if(FAILED(hr)){
@@ -1453,6 +1459,7 @@ static HRESULT build_sub_graph(priv_t * 
                     break;
                 }
             }
+#endif
         }
 
         hr = S_OK;