video: add support for planar GBR and GBRA formats with 12 bits per channel, GBRA with 8, 10 and 12 bits per channel, 4:2:0/4:2:2/4:4:4 YUV with 12 bits per channel

Submitted by Emeric Grange @emericg

Link to original bug (#780100)

Description

Created attachment 348013
Add GBR_12LE/BE and GBRA_12LE/BE pixel format mapping for CineForm decoder

Add support for BGR and BGRA with 12 bits per channel so we can use the CineForm decoder from ffmpeg.
This is a work in progress!

Patch 348013, "Add GBR_12LE/BE and GBRA_12LE/BE pixel format mapping for CineForm decoder":
cfhd_libav_2.diff

Version: 1.11.x