[FFmpeg-devel] DaVinci DSP optimizations
Mon Sep 28 19:26:15 CEST 2009
On Fri, Sep 25, 2009 at 10:43:12PM +0100, Richard Taylor wrote:
> Ramiro Polla wrote:
> >>>>JB: There is no free compiler for the c64x DSP
> >>>>"normal" people can't use these, so they can't compile it.
> >>>>Thus getting that code in ffmpeg source feels pretty weird to me.
> >>>>Or is this not a concern ?
> >>>It is at least for me.
> >>I had the same feeling when I failed to find a free compiler =(
> >Just to update. An e-mail was sent to Neuros Technology's contact in TI
> >regarding a free compiler but no reply was given yet...
> I'm guessing that this has fallen by the wayside?
> Time to drag it back to the surface!
> I have been looking at the TI gstreamer plugin that implements DSP
> decode of mpeg2 and mpeg4 video on the DaVinci platforms and wondering
> why the same couldn't be done under ffmpeg?
> gstreamer is under L-GPL and the Codec Engine has been integrated into
> I assume the fact that the TI plugin can be built separately to the main
> build is a factor?
> With ffmpeg, it would (from my limited understanding) be more tightly
> coupled with the main code base.
> I'm not sure about the definition of "free" but all required tools are
> available for download from TI (US export rules permitting):
> If I spent the time and effort integrating the DaVinci DMAI / CE into
> ffmpeg, would a patch be willingly accepted, or would it be too much of
> a legal / logistical nightmare to be integrated into the ffmpeg trunk?
A patch is welcome.
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