[mythtv] Sync problem in LiveTV

raptorjr raptorjr at hotmail.com
Sat Dec 3 05:52:42 EST 2005


Don't know if this is any help. I tried to enable some more debugging info 
from mythfrontend.
And this is what i got:

'video_output' mean = '40826.75', std. dev. = '3690.24', fps = '24.49'
2005-12-03 11:45:37.913 AFD: positionMap[ 1037 ] == 375314364.
2005-12-03 11:45:38.412 AFD: positionMap[ 1038 ] == 375683032.
2005-12-03 11:45:38.792 NVP: Video is 3.11372 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:38.793 NVP: Video is 3.56652 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:38.794 NVP: Video is 3.66237 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:38.796 NVP: Video is 3.49053 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:38.797 NVP: Video is 3.12413 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:38.816 AFD: positionMap[ 1039 ] == 376057152.
2005-12-03 11:45:39.196 AFD: positionMap[ 1040 ] == 376476956.
2005-12-03 11:45:39.728 AFD: positionMap[ 1041 ] == 376835848.
2005-12-03 11:45:40.174 AFD: positionMap[ 1042 ] == 377210344.
2005-12-03 11:45:40.586 AFD: positionMap[ 1043 ] == 377613980.
2005-12-03 11:45:41.066 AFD: positionMap[ 1044 ] == 378010472.
'video_output' mean = '37912.50', std. dev. = '12234.58', fps = '26.38'
2005-12-03 11:45:41.551 AFD: positionMap[ 1045 ] == 378409596.
2005-12-03 11:45:42.026 AFD: positionMap[ 1046 ] == 378793680.
2005-12-03 11:45:42.506 AFD: positionMap[ 1047 ] == 379203708.
2005-12-03 11:45:42.985 AFD: positionMap[ 1048 ] == 379562412.
2005-12-03 11:45:43.467 AFD: positionMap[ 1049 ] == 379946872.
2005-12-03 11:45:43.963 AFD: positionMap[ 1050 ] == 380295048.
2005-12-03 11:45:44.443 AFD: positionMap[ 1051 ] == 380636832.
2005-12-03 11:45:44.923 AFD: positionMap[ 1052 ] == 381022044.
'video_output' mean = '40170.87', std. dev. = '1995.08', fps = '24.89'
2005-12-03 11:45:45.403 AFD: positionMap[ 1053 ] == 381430004.
2005-12-03 11:45:45.934 AFD: positionMap[ 1054 ] == 381801680.
2005-12-03 11:45:46.412 AFD: positionMap[ 1055 ] == 382185200.
2005-12-03 11:45:46.893 AFD: positionMap[ 1056 ] == 382567780.
2005-12-03 11:45:47.373 AFD: positionMap[ 1057 ] == 382913888.
2005-12-03 11:45:47.853 AFD: positionMap[ 1058 ] == 383294212.
2005-12-03 11:45:48.383 AFD: positionMap[ 1059 ] == 383644456.
2005-12-03 11:45:48.862 AFD: positionMap[ 1060 ] == 384003912.
2005-12-03 11:45:49.342 AFD: positionMap[ 1061 ] == 384339116.
'video_output' mean = '40986.05', std. dev. = '4057.61', fps = '24.40'
2005-12-03 11:45:49.823 AFD: positionMap[ 1062 ] == 384711732.
2005-12-03 11:45:50.303 AFD: positionMap[ 1063 ] == 385091116.
2005-12-03 11:45:50.816 AFD: positionMap[ 1064 ] == 385457528.
2005-12-03 11:45:51.313 AFD: positionMap[ 1065 ] == 385817172.
2005-12-03 11:45:51.793 AFD: positionMap[ 1066 ] == 386176252.
2005-12-03 11:45:52.273 AFD: positionMap[ 1067 ] == 386575188.
2005-12-03 11:45:52.753 AFD: positionMap[ 1068 ] == 386941412.
2005-12-03 11:45:53.266 AFD: positionMap[ 1069 ] == 387289024.
'video_output' mean = '41006.63', std. dev. = '4011.76', fps = '24.39'
2005-12-03 11:45:53.763 AFD: positionMap[ 1070 ] == 387613512.
2005-12-03 11:45:54.244 AFD: positionMap[ 1071 ] == 387952852.
2005-12-03 11:45:54.725 AFD: positionMap[ 1072 ] == 388276964.
2005-12-03 11:45:55.204 AFD: positionMap[ 1073 ] == 388595812.
2005-12-03 11:45:55.602 NVP: Video is 3.08945 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:55.604 NVP: Video is 3.59833 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:55.605 NVP: Video is 3.73622 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:55.606 NVP: Video is 3.5959 frames ahead of audio, dropping 
frame.
2005-12-03 11:45:55.607 NVP: Video is 3.25318 frames ahead of audio, 
dropping frame.
2005-12-03 11:45:55.619 AFD: positionMap[ 1074 ] == 388994748.
2005-12-03 11:45:56.008 AFD: positionMap[ 1075 ] == 389325816.
2005-12-03 11:45:56.520 AFD: positionMap[ 1076 ] == 389667600.
2005-12-03 11:45:56.966 AFD: positionMap[ 1077 ] == 390033824.
'video_output' mean = '37919.04', std. dev. = '11619.22', fps = '26.37'


Could the dropped frames be my problem? And why is the FPS changing all the 
time?
Does this give someone a clut ot what my problem is, and how i could fix it?

/Stefan


----- Original Message ----- 
From: "raptorjr" <raptorjr at hotmail.com>
To: "Development of mythtv" <mythtv-dev at mythtv.org>
Sent: Thursday, December 01, 2005 5:40 PM
Subject: Re: [mythtv] Sync problem in LiveTV


> If i play a recording on another computer it behaves the same way. The bad 
> sound/picture jump is recorded too.
>
> The cpu is on about 45% when i watch LiveTV, so it should be enough power 
> to play it smoothly. And it has been
> working before. I have used MythTV for about 1 year on the same computer 
> and it has been working perfect.
> But sinve LiveTV was so slow to change channels i have mostly been using 
> it to record programs. But lately, due
> to this problem, i can't use it for recording either. Don't reallay know 
> when this problem started.
>
> The log shows me nothing, but maybe i need to supply some debug switch to 
> the sommand line to see information?
>
> /Stefan
>
>
> ----- Original Message ----- 
> From: "Michael T. Dean" <mtdean at thirdcontact.com>
> To: "Development of mythtv" <mythtv-dev at mythtv.org>
> Sent: Wednesday, November 30, 2005 11:49 PM
> Subject: Re: [mythtv] Sync problem in LiveTV
>
>
>> On 11/30/05 16:39, raptorjr wrote:
>>
>>> Yes, at the moment it is unchecked. Think i have tried ever possible 
>>> combination of
>>> that option, and the Extra audio buffering option. But checked or 
>>> unchecked
>>> it makes no difference.
>>> But i wonder if it is the problem that i have that the information text 
>>> explains on the
>>> Extra audio buffering option, "crackly" sound? Since i have a hardware 
>>> encoding card.
>>>
>>> But unfortunately that setting doesn't help me. Could it be broken?
>>
>> It definitely works.  Turn off extra audio buffering and play a very dark 
>> show (or a show with very dark scenes).  During the dark scenes, you'll 
>> hear pops and clicks.
>>
>> The problem may be IO related.  Anything in the logs?
>>
>> Mike
>> _______________________________________________
>> mythtv-dev mailing list
>> mythtv-dev at mythtv.org
>> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
>>
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev
> 


More information about the mythtv-dev mailing list