[FFmpeg-user] ffmpeg ac-3 encoding speed

[Carl Eugen Hoyos]

Davor Josipovic <davorj <at> live.com> writes:

> 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.

If you need slower encoding speed, try building with --disable-asm or 
--disable-optimizations or both.

Carl Eugen