[streaming] Re: Streaming issue at 1280x720 with NCast

[Christophe Massiot]

At 12:13 -0700 31/07/06, Shem Giles wrote:
>Forcing it to 1280x720 does not help, there is still just a resolution of
>920x720. We intend to use the script below to launch vlc on the encoder box.
>If we change the line
>:sout=#transcode{fps=25,vcodec=mp2v,vb=8192,scale=1}:dupl...
>to
>:sout=#transcode{width=1280,height=720,fps=25,vcodec=mp2v,vb=8192,scale=1}:d
>upl...
>I still only get 960x720.
>Oddly if I change it to:
>:sout=#transcode{width=600,height=720,fps=25,vcodec=mp2v,vb=8192,scale=1}:du
>pl...
>just to test it, I get a resolution of 972x720. This does not make any sense
>to me!
>Without forcing our fps, we can not even get a picture, the vlc irc chat
>helped to resolve that.
>If we can get the correct resolution, that would be awesome!

Could you try without the "scale=1" parameter ?
BTW 1280x720 MPEG-2 @ 8 Mbi/s is very low bitrate for HD, quality 
will be poor. You will probably want to set values to parameters 
--sout-ffmpeg-keyint, bframes, etc. You will probably take advantage 
of --sout-transcode-threads=... as well.

-- 
Christophe Massiot.

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