[FFmpeg-user] Windows 10, ffmpeg concat/demux is slow... part 2

[Gyan Doshi]

On 11/12/2017 11:11 AM, Kevin Duffey wrote:

> If other posts I found indicated that this was a normal speed I might accept it... however, I see many posts indicating they get 100, 200 or more fps when concat/demux is being used where I am getting about 5fps to 10fps.

Rather than fps, check the bitrate obtained i.e. bytes written out per 
second, and compare that with a OS copy of the same input to the same 
destination.

Gyan