[FFmpeg-user] ffmpeg fails joining two MPEG2 files

[Gilles]

On Fri, 21 Mar 2014 14:59:06 +0100, Gilles <codecomplete at free.fr>
wrote:
>Any idea what's wrong with the files that prevents ffmpeg from running
>that task to completion?

Addendum: It also fails converting the first file from MPEG2 to MP4:

================
c:\>ffmpeg -i M2U00075.MPG -vcodec libx264 -preset ultrafast -trellis
2 -crf 21 -acodec libmp3lame -ac 2 -ab 192k -f mp4 M2U00075.mp4

...
frame= 3681 fps= 59 q=18.0 size=   78817kB time=00:02:27.08
bitrate=4389.9kbits/
[ac3 @ 04408400] incomplete frame
[mpeg2video @ 0275f480] ac-tex damaged at 9 29
[mpeg2video @ 0275f480] Warning MVs not available
[mpeg2video @ 0275f480] concealing 315 DC, 315 AC, 315 MV errors in B
frame
frame= 3710 fps= 43 q=19.0 size=   79170kB time=00:02:28.24
bitrate=4375.1kbits/
frame= 3711 fps= 36 q=19.0 size=   79182kB time=00:02:28.28
bitrate=4374.6kbits/
frame= 3711 fps= 36 q=-1.0 Lsize=   79327kB time=00:02:28.44
bitrate=4377.8kbits
/s
video:75777kB audio:3476kB subtitle:0 data:0 global headers:0kB muxing
overhead
0.093049%
[libx264 @ 0275f9c0] frame I:15    Avg QP:17.13  size: 44716
[libx264 @ 0275f9c0] frame P:3696  Avg QP:19.92  size: 20813
[libx264 @ 0275f9c0] mb I  I16..4: 100.0%  0.0%  0.0%
[libx264 @ 0275f9c0] mb P  I16..4: 16.9%  0.0%  0.0%  P16..4: 51.6%
0.0%  0.0%
 0.0%  0.0%    skip:31.5%
[libx264 @ 0275f9c0] coded y,uvDC,uvAC intra: 38.7% 68.3% 37.9% inter:
28.5% 49.
9% 11.5%
[libx264 @ 0275f9c0] i16 v,h,dc,p: 44% 42%  8%  6%
[libx264 @ 0275f9c0] i8c dc,h,v,p: 30% 46% 20%  4%
[libx264 @ 0275f9c0] kb/s:4181.91

c:\>
================

The output is also 2mn28 long.