[mythtv] [PATCH] HDTV Recorder Patch

Doug Larrick doug at ties.org
Tue Nov 30 13:02:21 UTC 2004

John Patrick Poet wrote:
> Daniel Thor Kristjansson wrote:
>> On Mon, 29 Nov 2004, John Patrick Poet wrote:
>> ]As I suspected, removing the VERBOSE did not fix the problem.  I 
>> still cannot
>> ]fastforward/rewind in any program recorded from my PBS station using 
>> your
>> ]hdtvrecorder.  The current CVS hdtvrecorder works fine with that 
>> channel.
>> ]Sorry about that....
>> No need to apologize, it sounds like a genuine bug. Now from what you 
>> told me before FF/RW does work while the backend is still recording 
>> the program, right? So maybe it's a database problem? After the 
>> recording finishes, does it not work at all, or just take a very long 
>> time?
>> -- Daniel
> While the show is actually recording, FF/RW do *not* work.  They 
> actually cause the video to be played back *slower* than normal speed.  
> "Skip ahead" sometimes works and sometimes has no effect -- almost like 
> it depends on the current position in the show.  "Skip back", does move 
> the position backwards but sometimes it is by 6 seconds, sometimes more, 
> sometimes it moves all the way back to the beginning of the show.
> Watching a show that is done recording does behave a little different.  
> The "position" in the show always says "0:00 of 0:00".  The show will 
> PLAY just fine, but....   "Skip forward" never works - it just continues 
> to play from the current position.  FF/RW cause the video to freeze up 
> with an eventual message telling me that I have "finished watching" the 
> show.  "Saving" the position does not work.  If I try to save the 
> position, then stop watching, when I start watching again, it always 
> starts from the beginning.

Sure sounds like it's not detecting keyframes properly.  You might want 
to try my tsdump utility on a failing recording 
<http://jekyl.no-ip.org/doug/tsdump.C> and see if that program sees GOP 
or picture start.

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