It seems my mythtv always freezes when fast forwarding and I get like 20 
of these:

kernel: ivtv: Decoder VBI RE-Insert start 0x0019ac00 size 0x0000be00 type 0

before getting firmware timeout errors. Would this patch fix this?
I am using 3.7c but ivtvctl -W and -B show a mode of 0..


On Sat, 10 Sep 2005 00:38 , Hans Verkuil <[EMAIL PROTECTED]> sent:

>If you setup ivtv to capture and passthrough CC or WSS data (ivtvctl -w wss -b 
>wss -x 1), then the passthrough (i.e. the captured CC or WSS data is passed 
>on to the TV-out signal) fails after a skip forward or backward.
>
>I finally had the time to setup MythTV and to do tests. It turns out that the 
>MPEG decoder expects that the MPEG data arrives nicely aligned at four bytes. 
>MythTV however will jump to a file position that's not four byte aligned. I 
>see no effect on video or audio, but the VBI reinsertion is seriously messed 
>up.
>
>The attached patch for MythTV-0.18.1 makes sure that the seeks are always to a 
>4-byte aligned position. With this patch I can no longer make the VBI 
>reinsertion fail. However, fast forward or backward (i.e. not skipping but 
>just faster playback) can still give problems. But this is unstable for me 
>anyway: in most cases I get no good output at all.
>
>Please test this patch and see if this fixes the problem! In the meantime I'll 
>see if something can be done with the VBI reinsertion to fix it there rather 
>then in MythTV. It's a bit stupid that video and audio are OK, but VBI isn't.
>
>       Hans






-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf
_______________________________________________
ivtv-devel mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/ivtv-devel

Reply via email to