[FFmpeg-devel] DPX Encoder

Enrique Ramirez enrram1 at gmail.com
Sat Mar 26 01:22:34 CET 2011


Thank you for the response. I have attached one of the DPX images for you to
look at and it is 10bit per R/G/B component.

Thanks again,


On Fri, Mar 25, 2011 at 6:47 PM, Peter Ross <pross at xvid.org> wrote:

> On Fri, Mar 25, 2011 at 12:30:23PM -0500, Enrique Ramirez wrote:
> > Hello all,
> >
> > I am in need of a DPX Encoder for a project I am working on.
> Unfortunately
> > the ImageMagick encoder does not fit the bill. Basically we are taking a
> > folder of DPX files and converting them to a v210 encoded AVI file. The
> > file is then fed to an engine that compresses and sends over the wire, we
> > then need to convert that AVI file back to the DPX files and folder
> > structure. I can step through it using FFmpeg to decode the DPX to the
> avi
> > file and then use FFmpeg to convert back to image file and then use
> > ImageMagick's convert to turn back to DPX. The problem is the overhead
> that
> > would need to be installed on the systems for ImageMagick and the
> conversion
> > command can't be done on one line. And the other main deciding factor is
> > that they want it done with FFmpeg.
> so you are converting:
>   DPX (RGB) -> V210 (10-bit YUV 4:2:2) -> wire compression -> back to DPX
> (RGB)
> > I sent a few emails directly to individuals who might be able to help,
> but
> > thought I would send here too to see if anyone might have some time to
> help
> > out. I truly apologize for the short notice. But I thought I had it
> working
> > with ImageMagick and then was told it needs to be strictly FFmpeg.  I
> need
> > something by Wed or so. Is this doable?
> An FFmpeg DPX encoder is certainly doable. So is a manned Mars exploration,
> btw.
> What number of bits per R/G/B component are required for DPX encoder?
> Providing a sample DPX image that is being fed into the pipleline would
> also
> be useful.
> -- Peter
> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
> _______________________________________________
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