[FFmpeg-user] FFMPEG and ALSA

[Paul B Mahol]

On 1/31/20, william keeling <WilliamKeeling at hotmail.com> wrote:
> Why is FFMPEG use so much CPU vs native ALSA tools.  For example I am able
> to record using ALSA device and arecord at a sample rate of 96000 with no
> issues and using very little CPU. But FFMPEG must be at 22050 to not get
> buffer xrun errors and it uses 100% of one core of the PI.
>

Full uncut ffmpeg command and its output missing.

>
> Great tool even with this issue.
>
>
>
> Thanks
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