[mythtv-users] V4L recording problem - live ok, sheduled bad

mtrax11 mylists at wilsononline.id.au
Wed Sep 6 11:43:56 UTC 2006




jafa wrote:
> 
> 
>>> Correction - it looks like sometimes it can record perfectly and
>>> sometimes it records garbage (invalid MPEG4 data).
>>>
>>> LiveTV sometimes works, but is failing for the program I am wanting to
>>> watch now.
>>>
>>> Likewise I found a scheduled recording that recorded ok.
>>>
>>> I have switched to RTJPEG and it works ok... I will run some more tests
>>> after the show.
>>>     
>>
>> Any chance it is related to this:
>>
>> http://cvs.mythtv.org/trac/ticket/2061
>>
>> Nick
>>   
> 
> Ah - that is probably it. I have disabled the interlace options and Live 
> TV is working. I will know in a day or so if it has solved the problem.
> 
> Everything is back to the defaults except for HQ (on) and scale bitrate 
> (off).
> 
> Live TV is working but the picture quality is terrible - heavily 
> over-compressed. The MPEG blocks make it look like a youtube recording :D.
> I use the same MPEG4 transcoding settings for ATSC recordings and the PQ 
> is great.
> 
> Side note - I tried using RTJPEG so I could watch LiveTV - it had 
> interesting problems with "sticky" blocks - black parts of the screen 
> displaying old blocks but in black-and-white.
> 
> Nick
> 

I'm not sure how this is related but when I view TV via the MythPhone
interface the TV capture is better...
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