[MEncoder-users] Sound problem when transcoding and joining 2 mpg-files

[Jan Ehrhardt]

Jan Ehrhardt in gmane.comp.video.mencoder.user (Fri, 21 Sep 2012
18:33:12 +0200):
>5. Transcode the files separately and knit them together with:
>   - mencoder (!) for mp4, followed by mp4creator -optimize
>
>I am now timing the 'knitting' on a SD card for a 1:21h video file,
>consisting of 5 parts:

I started the timing again, without my laptop doing anything else.
Stunning differences:

21/09/12 18:44:34,65 start mencoder 
21/09/12 18:48:25,44 start mp4creator 
21/09/12 18:48:57,61 optimized mp4concat-by-mencoder.mp4 ready 
21/09/12 18:48:57,63 start mp4box 
21/09/12 20:15:03,99 optimized mp4concat-by-mp4box.mp4 ready 

4:23 minutes versus 1:26 hour.

Jan