On 03/11/2016 14:21, Attila Kinali wrote: > On Wed, 2 Nov 2016 23:10:41 -0700 > Matt Ranostay <matt@ranostay.consulting> 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][1], it still needs to be tested/reviewed/polished though. [1]:https://github.com/lu-zero/libav/commits/gray12 lu -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
