[FFmpeg-user] Recorded Frame Timestamps are Inconsistent! How to Fix it?
Mark Filipak (ffmpeg)
markfilipak at bog.us
Mon Mar 22 01:16:15 EET 2021
On 2021-03-21 19:01, Carl Eugen Hoyos wrote:
> Am So., 21. März 2021 um 23:55 Uhr schrieb Mark Filipak (ffmpeg)
> <markfilipak at bog.us>:
>>
>> On 2021-03-21 18:36, Carl Eugen Hoyos wrote:
>>> Am So., 21. März 2021 um 23:31 Uhr schrieb Mark Filipak (ffmpeg)
>>> <markfilipak at bog.us>:
>>>>
>>>> On 2021-03-21 17:50, Carl Eugen Hoyos wrote:
>>>>> Am So., 21. März 2021 um 22:13 Uhr schrieb Mark Filipak (ffmpeg)
>>>>> <markfilipak at bog.us>:
>>>>>
>>>>>> I think '-framerate 60' may not be needed at all.
>>>>>
>>>>> It is only needed if 60fps recording is wanted.
>>>
>>>>> As said before, setpts should generally be avoided and
>>>>> this is even more true for settb.
>>>>
>>>> Serious questions:
>>>>
>>>> 'setpts=N/FR/TB' seems to be reliable, and is the only way
>>>> I've gotten some of my frame gymnastics to work.
>>>
>>> Serious question:
>>> What does this tell you?
>>
>> You are "answering" a question with a question.
>
> This is clearly a "lie" to quote another contributor ;-)
I don't know to what you refer. Are you making a joke?
>> I don't know what your "answer" means.
>
> It was a (too?) subtle way to indicate that what you try to
> do makes no sense.
'setpts' exists. It makes sense to me -- and it works. I'm sure it made sense to the person who
wrote the 'setpts' filter. Why does it make no sense to you?
>>>> What is wrong/dangerous about 'setpts"?
>>>
>>> I can only work for input that is strictly cfr,...
>>
>> Of course, that's true.
>>
>>> ...this is typically not true for screen recordings.
>
>> What are "screen recordings"?
>
> The topic of this mailing list thread.
Oh! Thanks. I thought the OP was asking about camera output. My bad.
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