Re: [RFC] v4l2 support for thermopile devices
From: Luca Barbato
Date: Thu Nov 03 2016 - 11:12:24 EST
On 03/11/2016 14:21, Attila Kinali wrote:
> On Wed, 2 Nov 2016 23:10:41 -0700
> Matt Ranostay <matt@xxxxxxxxxxxxxxxxxxx> wrote:
>> So does anyone know of any software that is using V4L2_PIX_FMT_Y12
>> currently? Want to test my driver but seems there isn't anything that
>> uses that format (ffmpeg, mplayer, etc).
>> Raw data seems correct but would like to visualize it :). Suspect I'll
>> need to write a test case application though
> I was pretty sure that MPlayer supports 12bit greyscale, but I cannot
> find where it was handled. You can of course pass it to the MPlayer
> internas as 8bit greyscale, which would be IMGFMT_Y8 or just pass
> it on as 16bit which would be IMGFMT_Y16_LE (LE = little endian).
> You can find the internal #defines of the image formats in
> libmpcodecs/img_format.h and can use https://www.fourcc.org/yuv.php
> to decode their meaning.
> The equivalent for libav would be libavutil/pixfmt.h
> Luca Barbato tells me that adding Y12 support to libav would be easy.
> Attila Kinali
So easy that is [done], it still needs to be tested/reviewed/polished