[vlc-devel] Re: ViXS transcoder integration: suggestions?

Jean-Paul Saman jean-paul.saman at planet.nl
Sat May 6 11:04:47 CEST 2006

Joe Martin wrote:
>   I'm looking for some advice on a video project - I'm using a chipset 
> from ViXS to transcode video from MPEG2 into MPEG4 in realtime.
>    I was originally planning on creating a new VLC encoder plugin and 
> routing video into it with the existing transcode module.  However, 
> transcode.c sets up a decode stage as the first part of its output 
> chain.  Since the chip can take an elementary MPEG2 stream as input, I'd 
> prefer the entire transcode cycle to happen on-chip.
>    Would it be easier to just write my own stream_out module for 
> hardware transcoding?  Or should I pursue adding special cases to the 
> existing transcode module.  Any opinions are appreciated...

Writting your own stream_out module for hardware transcoding on chipset 
seems like a sensible way to go. Try to use a generic interface to the 
chip for instance V4L2 (linux) or dshow (windows).

Jean-Paul Saman.

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