PIX FMT YUV420P
PIX_FMT_YUV420P contains three channels (or components):
Note: Be careful not to confuse this pixel format with PIX_FMT_YUVJ420P.
YCbCr 4:2:0 indicates a planar YCbCr colorspace where a 2x2 block of pixels in an image is represented by 4 Y samples, 1 for each pixel, but all 4 pixels share a Cb sample and a Cr sample.
Note: The P in YUV420P indicates planar not progressive or palette or packed.
It has the following characteristics:
- YUV colorspace.
- 12bits per pixel average.