[vdr] vdr-xine FF & RW stall

Reinhard Nissl rnissl at gmx.de
Sat Jul 2 21:18:38 CEST 2005


Hi,

Joerg Riechardt wrote:

>>> When I use FF (fast forward 1-3x) when playing a recording, VDR stalls.
>>> Sometimes, after several minutes, it will recover.  Most of the time I'm
>>> just left with a frozen frame.
>>>
>>> The 60-second skip forward or back works fine.
>>>
>>> Any ideas how to diagnose this problem?
>>
>> No tips from me, but using vdr-1.3.20 and vdr-xine 7.3, i have given
>> up trying to FF & RR acuratly.  I now just use 60 second skip.  But I
>> would *love* to be able to edit my recordings..  I've never been able
>> to FF/RR as this is my first install..
> 
> vdr-xine-0.7.2 is the last version, where FF/RR works
> since 0.7.3 it's broken

Well, there's changed quite a lot in 0.7.3. Just to make things clear:

	FF = fast forward
	SF = slow forward
	FR = fast reverse (rewind)
	SR = slow reverse (rewind)

FF, FR and SR as well as moving cutting marks just play I-frames and 
there is a problem in VDR that sends incomplete I-frames to the devices. 
Especially when xine reports bad_frame on its controlling terminal then 
it is likely that the "bug" triggered.

	http://home.vr-web.de/~rnissl/vdr-1.3.24-dvbplayer.patch

addresses this issue. A proper solution will be supplied by 
cVideoRepacker but it seems to trigger other problems so it is disabled 
in recent VDR versions. The above patch will then still be necessary to 
edit old recordings properly which have been recorded without 
cVideoRepacker.

A known issue is that switching from pause or play to any of the above 
mentioned speeds will cause a delay of several seconds before playback 
at the new speed gets active. This issue is most noticeable on less 
powerful machines like my EPIA MII-6000E which has just a 600 MHz CPU, 
while it is not that much noticeable on my development PC which has a 
Pentium 4 HT processor which runs at 2.8 GHz.

To let me address your issue properly, would you please explain whether 
one of the above issues is what you experience or if it is a new issue.

Bye.
-- 
Dipl.-Inform. (FH) Reinhard Nissl
mailto:rnissl at gmx.de



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