[FFmpeg-user] Yes or No? About the processing pipeline.

[Reindl Harald]

Am 17.06.25 um 19:32 schrieb Mark Filipak:
> On 17/06/2025 13.31, Paul B Mahol wrote:
>> On Tue, Jun 17, 2025 at 5:24 PM Mark Filipak <
>> markfilipak.imdb-at-gmail.com at ffmpeg.org> wrote:
>>
>>> On 17/06/2025 13.20, Paul B Mahol wrote:
>>>> On Tue, Jun 17, 2025 at 5:18 PM Mark Filipak <
>>>> markfilipak.imdb-at-gmail.com at ffmpeg.org> wrote:
>>>>
>>>>> On 17/06/2025 13.15, Paul B Mahol wrote:
>>>>>> On Tue, Jun 17, 2025 at 5:12 PM Mark Filipak <
>>>>>> markfilipak.imdb-at-gmail.com at ffmpeg.org> wrote:
>>>>>>
>>>>>>> Yes (true) or No (false)?
>>>>>>>
>>>>>>> If the input is 8-bit ybr420-smpte170m, then the processing pipeline
>>> is
>>>>>>> also 8-bit ybr420-smpte170m.
>>>>>>>
>>>>>> Depends on all components used in pipeline.
>>>>>
>>>>> Sorry. I'm 'talking' about the start of the processing pipeline, 
>>>>> coming
>>>>> out of the decoder.
>>>>> Let me restate the issue:
>>>>>
>>>>> If the input is 8-bit ybr420-smpte170m, then the decoder outputs 8-bit
>>>>> ybr420-smpte170m.
>>>>> Yes or No.
>>>>
>>>> Definition of decoder is to decode data, not invent new data or alter
>>> data
>>>> in any way.
>>>
>>> Does that mean 'Yes': Decoders that are fed 8-bit ybr420-smpte170m then
>>> output 8-bit ybr420-smpte170m?
>>>
>>
>> I write words, In my school I learned much more words than simple: 'Yes'
>> and 'No'.
> 
> Good for you.
> 
> Decoders that are fed 8-bit ybr420-smpte170m then output 8-bit ybr420- 
> smpte170m.
> Yes or No?
what did you not understand in the definition of a decoder?