[linux-dvb] Re: using ffmpeg on /dev/video

["Nexus 7" <chaosmedia@hotmail.com>]

I'd like to do quite the same thing but encode the live video to realmedia 
stream for webcasting.
what i'd like to know is when the /dev/video is available. I mean can I grab 
the video from it when i've booted the card and tuned to a chan or do I have 
to leave VDR or any other "DVB" software running to keep the/dev/video 
device "open" ?

also I'm not sure what's best.. geting the video from /dev/video or trying 
to get the MPEG Stream then decode it thru a software and encode it back to 
whatever format I need ?

then how do I get the "live" MPEG Stream properly ? what's the best way to 
manipulate the MPEG Stream on the fly ?

I ask all these questions coz i've tried several technics on my system and I 
have some troubles to decode the MPEG Stream on the fly..

thanks

.Nx7
..EbaT

>jonas meyer writes:
>  >
>  > I want to use ffmpeg on /dev/video to grab the video data not the 
>mpeg2.is it
>  > possible to do that? as xawtv supports grabdisplay mode i guess it 
>might be
>  > possible. that was nice because then i could alternatively to vdr 
>simply use
>  > ffmpeg to get divx in realtime.
>  > quitte
>  >
>  >
>  > --
>  > Info:
>  > To unsubscribe send a mail to listar@linuxtv.org with "unsubscribe 
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>  >
>Should be possible, but be aware that the v4l does not support planar
>yuv formats. I am not sure what kind of color formats ffmpeg
>needs/supports.
>
>Marcus
>

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