[FFmpeg-user] Problem with pixel format and/or missing constant

Mark Filipak markfilipak.windows+ffmpeg at gmail.com
Thu Mar 12 00:15:35 EET 2020

On 03/11/2020 06:09 PM, Carl Eugen Hoyos wrote:
> Am Mi., 11. März 2020 um 23:05 Uhr schrieb Mark Filipak
> <markfilipak.windows+ffmpeg at gmail.com>:
>> On 03/11/2020 05:48 PM, Carl Eugen Hoyos wrote:
>>> Am Mi., 11. März 2020 um 22:44 Uhr schrieb Reindl Harald
>>> <h.reindl at thelounge.net>:
>>>> Am 11.03.20 um 20:02 schrieb Carl Eugen Hoyos:
>>>>> Why do you want to use a newer x264?
>>>> why do you always answer "only current GIT of ffmpeg is supported here"
>>> Because the development of the two projects is nowadays very different,
>>> monochrome encodings (for example) are not supported by most decoders.
>> For what it's worth, though the MPEG encoder specs support full, 16-bit
>> monochrome (black-&-white) that, theoretically, would better render
> I didn't know and I am mildly surprised (16bit video is very uncommon).
> Otoh, "MPEG encoder spec" is not very precise...
>> monochrome video, all of the modern DVDs that I've encountered use YCbCr
>> 4:2:0 for black-&-white movies.
> Because that is what the DVD specification requires.
> Carl Eugen

Ah! Well, that explains it. Thanks Carl Eugen. I haven't spent the 
$5-thousand for the DVD spec.

By the way, of course, I made a silly mistake. I should have written 
"full, 24-bit monochrome". Ooops. Senior moment.

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