[FFmpeg-devel] [GSoC] Patch which adds support for gamma correct scaling

Pedro Arthur bygrandao at gmail.com
Tue Apr 21 22:25:37 CEST 2015


New patch with changes.

2015-04-21 13:14 GMT-03:00 Pedro Arthur <bygrandao at gmail.com>:

> I intended to fetch the correct gamma value from the video/image metada
> or pass it by flag (like gamma=x) but yet I don't know how to get the
> correct gamma based on the input, thus for now it is hardcode.
>
> 2015-04-21 12:31 GMT-03:00 Kevin Wheatley <kevin.j.wheatley at gmail.com>:
>
> Pedro
>>
>> I understand the desire to 'degamma' images prior to scaling, I'd be
>> interested in understanding how this could work with the colour_trc
>> options rather than only assuming a simple gamma.
>>
>> Kevin
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>
>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-Add-gamma-encodign-decoding-before-after-scaling-in-.patch
Type: text/x-patch
Size: 10155 bytes
Desc: not available
URL: <https://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20150421/c6571efe/attachment.bin>


More information about the ffmpeg-devel mailing list