[FFmpeg-user] Wrong concat video

[Moritz Barsnick]

On Thu, May 29, 2014 at 07:41:20 +0000, Carl Eugen Hoyos wrote:
> > I'm not familiar with usage of the concat filter, but I 
> > believe its usage here is over-complicating the 
> > solution as compared to either of the very simple 
> > concat demuxer or protocol:
> 
> The concat protocol cannot work for mp4 files.

And according to the documentation, the concat demuxer cannot work for
Max's request either:

>       All files must have the same streams (same codecs, same time base,
>       etc.).

Because these are Max's videos:

> Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 4300 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
> Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 2444 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)

They have different time bases, don't they?

Moritz