Ian Armstrong wrote:
> On Monday 03 Sep 2007, Jack Deslippe wrote:
>> Hi Everyone,
>>
>> I spent a large part of my afternoon trying to get the lag down on my
>> Playstation when I play it through my pvr-150  I have pretty much
>> succeeded.  Here is the script I wrote:
>>
>> ----------
>> v4lctl setinput "Composite 1"
>> ivtv-tune -c1
>> aplay -q --buffer-time=0 -f dat /dev/video24 &
>> mplayer -rawvideo format=hm12:h=480:w=720:fps=29.97 -nocache -demuxer
>> 26 /dev/video32 -framedrop -vo xv -monitoraspect 16:10
>> killall aplay
>> -----------
>>
>> It works nice and there is no lag.  The only little problem remaining is
>> that there is a column of garbage (looks like a frozen tv channel) next
>> to my perfectly clear playstation signal.  See my picture here:
>> http://www.jdeslippe.com/Screenshot-1.png  (the weird scrambled column
>> does not actually change - it is a frozen tv image).
> 
> You need to set the capture size to 720x480. How you do that depends on which 
> version of ivtv you're using. For newer versions the command would be
> 'v4l2-ctl -v width=720,height=480'. I think the command for older versions is
> 'ivtvctl -f width=720,height=480'.
> 

Okay, I obviously missed the first part of this conversation, but I just 
thought 
I'd throw this out there -- you do know that you can play the MPEG2 stream 
directly with MPlayer, right?  Check the man page for the -pvr option.

I'd be glad to post more details if interested, though this should probably go 
to -users.

Steve

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