Re: [FFmpeg-user] Chroma subsampling formats

2025-07-17 Thread Mark Filipak
Update. Regarding 'Chroma_subsampling_notation.pdf', Figure 2, '4:2:2', I just tried to make a 2-pixel wide Cb0-1 that's centered coincident with the center of Y0. It can't be done. So Poynton must be assuming some sort of subpixel functions are applied without mentioning it. Certainly the quality

Re: [FFmpeg-user] Chroma subsampling formats

2025-07-17 Thread Mark Filipak
On 16/07/2025 02.20, Yann Cainjo wrote: > Hi Mark > > Here are some article from Charles Poynton. > > https://www.poynton.ca/PDFs/Chroma_subsampling_notation.pdf > > https://www.poynton.ca/PDFs/Merging_RGB_and_422.pdf > > And his books... > > Best regards > Yann Hi Yann! Thanks for the links.