Re: A/V sync with streamer a V4L problem, fixed in V4L2 ?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



Michael O'Keefe wrote:
>  G'day,
>  
>  I was recording with streamer using MJPEG into OpenDML AVI for about
>  1 hour last night (~ 3.4 GB file) and the sound slowly started to get
>  out of sync. So much so that by the end of the recording, I would
>  say it was out by about 3 seconds (not bad over 3600 seconds, I grant
>  you). Is this becoz there are no timestamps in V4L images, so that
>  streamer has to use gettimeofday(), which may lag the timestamps
>  in the audio recording by just enough (mill/micro seconds) to cause
>  the drift ? And if so, would this be fixed by the timestamps being
>  place in V4L2 frames so that I shuold start looking at loading V4L2
>  into my box ?

Any changes (better/worse/nothing) with 3.76?

  Gerd

-- 
You can't please everybody.  And usually if you _try_ to please
everybody, the end result is one big mess.
				-- Linus Torvalds, 2002-04-20





[Index of Archives]     [Linux DVB]     [Video Disk Recorder]     [Asterisk]     [Photo]     [DCCP]     [Netdev]     [Xorg]     [Util Linux NG]     [Xfree86]     [Free Photo Albums]     [Fedora Users]     [Fedora Women]     [ALSA Users]     [ALSA Devel]     [Linux USB]

Powered by Linux