[FFmpeg-devel] [PATCH] avcodec/dpx: Support for RGB and RGBA 12-bit packed decoding

Jerome Martinez jerome at mediaarea.net
Fri Feb 9 08:38:02 EET 2018

On 09/02/2018 02:19, Carl Eugen Hoyos wrote:
> 2018-02-08 11:28 GMT+01:00 Jerome Martinez <jerome at mediaarea.net>:
>> Currently RGB and RGBA 12-bit are supported by DPX decoder only if component
>> values are padded (packing "Filled to 32-bit words, method A").
>> This patch adds decoding of RGB
>> and RGBA 12-bit with no padding (packing "Packed into 32-bit words").
> I suggest we wait with this patch until we verified if RGBA dpx decoding
> is broken (I suspect so, I believe you have a sample to verify).

Sorry, I see a line was missing in my first post, the one with the link 
to the RGBA test file.
Test file for RGBA 12-bit packed:

Regression test done on 
checkerboard_1080p_nuke_bigendian_12bit_alpha.dpx and 
checkerboard_1080p_nuke_littleendian_12bit_alpha.dpx in 

> As-is, we wouldn't do anybody a favour.
> Thank you, Carl Eugen
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