[theora-dev] encoder_example input formats

Unga unga888 at yahoo.com
Sat Oct 6 04:58:46 PDT 2007


--- Felipe Portavales Goldstein <portavales at gmail.com>
wrote:

> If mplayer is abble to decode videos in the format
> mjpegb, yuvj422p,
> you can use the command below to convert to yuv4mpeg
> (4:2:0) format.
> 
> mplayer -vo yuv4mpeg
> 
> You cannot escape the loss you will have converting
> form mjpegb, to
> yuv4mpeg if you want to encode a theora stream.
> Internally the codec works only with 4:2:0 format.
> Even if the
> encoder_example accept any other format, sometime
> internally it will
> have to convert to the 4:2:0 format.
> 
Thank you for the tip. Yep, managed to get my raw
video converted to yuv4mpeg and used ffmpeg2theora to
get the Theora file. Quality seems quite good. 

Unga



       
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