[FFmpeg-user] the trim filter

[MacFH - C E Macfarlane - News]

As Paul has had over an hour to respond to my PM and has failed to do
so, I'll repeat it here ...

On 05/07/2024 12:54, Paul B Mahol wrote:
>
> On Fri, Jul 5, 2024 at 2:09 AM Mark Filipak <markfilipak.imdb at gmail.com>
> wrote:
>>
>> On 04/07/2024 17.12, Paul B Mahol wrote:
>>> Its in documentation: asetpts=N/SR/TB, assuming everything starts from 0,
>>> so add it after each atrim.
>>
>> For both video & audio,
>>     time_base=1/90000
>>     start_pts=1048560
>>
>> So, there are 'silent' audio samples starting with the first video frame.
>> I'm dropping 20.062
>> seconds of video (i.e., 481 frames). I really don't know how I could
>> rewrite audio PTSes to make
>> that 20.062 seconds of audio to go away. I really think that's impossible.
>> They have to be dropped,
>> just as I am dropping the 481 video frames.
>>
>> Here's my trim commands for the first segment:
>>
>> trim=start_frame=481:end_frame=134047,atrim=start_sample=962962:end_sample=268360093
>>
>> Here's the interesting terminal output (slightly beautified):
>>
>> [Parsed_trim_1 @ 0000000000620040]
>>    Media type mismatch between the 'Parsed_trim_1' filter output pad 0
>> (video) and the
>> 'Parsed_atrim_2' filter input pad 0 (audio)
>>
>> [AVFilterGraph @ 000000000061c7c0] Error linking filters
>>
>> Failed to set value
>>    'split=2[i5][i6],
>>    [i5]trim=start_frame=481:end_frame=134047,
>> atrim=start_sample=962962:end_sample=268360092[o5],
>>    [i6]trim=start_frame=138745:end_frame=246719[o6],
>>    [o5][o6]concat=n=2'
>> for option 'filter_complex': Invalid argument
>> Error parsing global options: Invalid argument
>
> This is exact proof that your FFmpeg CLI skills are bellow flat absolute
> zero. I'm wasting my and everyone else time replying to your questions.

So, instead of just abusing him, explain to him and the rest of us where
he is going wrong.