[linux-dvb] Re: Cutting in VDR

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Martin Hoffmann wrote:
> 
> > > first i want to report a "bug" regarding cutting in vdr 0.83.
> > > When using the 7 and / or 9 keys to steer to a set mark the vdr process
> takes almost all the cpu time :-( - although the mark has been reached and
> olnly one picture is shown.
> > > So pressing 2, to start the cutting process takes longer than it should
> be, unless you leave the "playback" process...
> >
> > Could this be a problem with DMA not being enabled for your harddisk?
> I don't think so, DMA is enabled, and the problem persists only since i
> switched from vdr0.71 to the actual version (including the driver change)
> However while displaying this still picture, where a cut mark has been set,
> and NOT yet pressing "2" makes vdr take that much cpu time - you see - vdr
> and even the driver should have nothing to do at that moment...
> Maybe my first post wasn't  so clear to understand ...

Please try the following patch with the original VDR 0.83:

----------------------------------------------------------
--- dvbapi.c    2001/06/26 18:12:10     1.80
+++ dvbapi.c    2001/07/14 09:12:34
@@ -761,6 +761,8 @@
               break;
               }
            }
+        else
+           usleep(1); // this keeps the CPU load low
         if (blockInput > 1)
            blockInput = 1;
         }
@@ -792,6 +794,8 @@
                     }
                  }
            }
+        else
+           usleep(1); // this keeps the CPU load low
         if (blockOutput > 1)
            blockOutput = 1;
         }
----------------------------------------------------------

Klaus
-- 
_______________________________________________________________

Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
_______________________________________________________________


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