[FFmpeg-devel] [PATCH] Add DPX decoder

Michael Niedermayer michaelni
Thu May 7 17:45:45 CEST 2009

On Thu, May 07, 2009 at 09:04:56AM +0200, Jimmy Christensen wrote:
> On 2009-05-06 18:54, Michael Niedermayer wrote:
>> On Wed, May 06, 2009 at 05:04:50PM +0200, Jimmy Christensen wrote:
>>> On 2009-05-06 14:27, Jimmy Christensen wrote:
>>>> Hi,
>>>> Added DPX decoder codec. Only support 10-bit and does no log to lin
>>>> conversion, which means it only supports linear DPX files. Have tested
>>>> with DPX files from various software and it seems to work ok with them.
>>>> Based largely on the TGA decoder.
>>>> Best Regards
>>>> Jimmy Christensen
>>>> Developer
>>>> Ghost A/S
>>>> ------------------------------------------------------------------------
>>>> _______________________________________________
>>>> ffmpeg-devel mailing list
>>>> ffmpeg-devel at mplayerhq.hu
>>>> https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-devel
>>> Hi,
>>> Hopefully all formatting issues should be solved now.
>>> Didn't mean to take up all of everyone's time educating me :)
>>> Changed format to rgb24 instead of rgb32, since 10bit DPX files can never
>>> have alpha channels. Ofcourse discarding 2 bit is unwanted, but is seems
>>> that RGB48 is not well supported at the moment.
>> this may very well be, but it still doesnt make rgb24 an acceptable choice
> So what would you suggest? Change it to RGB48


> and add support for RGB48 in 
> swScaler? 

thats a seperate thing and patch and is welcome as well, also note IIRC theres
a unfinished patch laying around somewhere ...

> The only output possible of RGB48 input is RGB48, which is only 
> supported by the pnm encoder AFAIK.

if RGB48 support is added to sws then all outputs would be supported


Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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