[FFmpeg-user] What is 'yuv420p(tv, smpte170m, progressive)'?

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue May 19 19:30:05 EEST 2020

Am Di., 19. Mai 2020 um 17:51 Uhr schrieb Mark Filipak
<markfilipak.windows+ffmpeg at gmail.com>:

> Regarding why "smpte170m" & "progressive" & "top field first" and other
> notations appear to be arguments to a supposed yuv420p() function,
> well, you'll have to ask the developers.

There is no such function, the encoding properties that are not necessarily
related to each other are not arguments to anything. These properties are
in parentheses because they are - from FFmpeg's point-of-view - less
important for decoding than resolution, aspect ratio and other properties.
"tff" and "bff" do not necessarily imply interlaced (or telecined) content,
while "progressive" can theoretically be interlaced (or hard telecined) it
is very unlikely.

Carl Eugen

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