[FFmpeg-user] amix fills 16Gb memory, ffmpeg killed

[Paul B Mahol]

On 2/27/20, S Andreason <sandreas41 at gmail.com> wrote:
> Hi,
> I am trying to join 11 video files, each 3 minutes in length. I can get
> the video rendered correctly, where the audio only lasts 3 minutes from
> input 0. But when I add the amix filter, it fills 16Gb of memory in 2
> minutes and gets it's process killed.
>
> The full command line and output, before and after adding
> ;amix=inputs=11:duration=longest
> are in this 43Kb text file:
> https://www.seahorsecorral.org/videos/tests/ffmpeg-killed-16Gb-memory-full.txt
>
> Is there a better way to write the command?

amix filter does mixing it does not join audio in any way.

> (without resorting to trimming each file, and then using concat filter.)
> Thank you,
> Stewart
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