ffmpeg -y -i "v1-ed.mp4" -i "a1-ed.wav" -filter_complex "[1]anull[aud];
[0]fade=t=out:st=6673.87:n=24[out]" -strict experimental -shortest -map 0:v:0
-map 1:a:0 "lecture.mp4"
??
You can try using this command to see if it can solve your problem.
The tra
Thanks for the very helpful information. Understood that this change
is expected.
--
Yasuo Honda
On Tue, Oct 31, 2023 at 2:01 AM Nicolas Gaullier
wrote:
>
> >ffprobe duration difference between 5.1.3 and 6.0.
> >
> >I'd like to know if this is an expected behavior change
>
> Yes, this is an expec
Hi all,
My use case is that I want to extract audio from a mp4, edit the audio,
and then put the audio and the video back together. It works fine, but
over the course of the two hour video, the audio gets out of sync with the
video and falls behind it (visibly, so you can see the mouth and sou
On 10/30/23 14:16, Nicolas Gaullier wrote:
>>> On 07-10-2023 17:20, Ulf Zibis wrote:
Hi,
what is the difference between i-frames and key frames?
And how many other frames are between i-frames or key frames in mp4
files, created with ffmpeg and with default settings?
>>
>> On 07-10-2023 17:20, Ulf Zibis wrote:
>>> Hi,
>>>
>>> what is the difference between i-frames and key frames?
>>>
>>> And how many other frames are between i-frames or key frames in mp4
>>> files, created with ffmpeg and with default settings?
>>>
>>> -Ulf
>> In mp4 containers I-frames are key
>ffprobe duration difference between 5.1.3 and 6.0.
>
>I'd like to know if this is an expected behavior change
Yes, this is an expected change,
take a look at this unambiguous commit:
https://github.com/FFmpeg/FFmpeg/commit/836b8001c924deb9263b0f5b7c74ccfaab1f4fdc
Note that your sample has an edi
