[FFmpeg-user] ffmpeg ac-3 encoding speed

Roger Pack rogerdpack2 at gmail.com
Sun Sep 2 05:38:52 CEST 2012


> ffmpeg -i %tmp_orig_audio% -c:a ac3 -ab 640k -q:a 0 %tmp_enc_audio%
>
> Now, on an Intel i3 machine using only one core, approximately 60sec of
> this DTS stream is converted each second. It is almost as fast as the disk
> can write and read.
>
> Is this encoding speed normal or am I doing something wrong?

What's your full command line and uncut console output?
-r


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