[FFmpeg-user] How can join video files ?

[J. Bakshi ( জ. বকসী )]

On Fri, 6 Sep 2013 13:53:55 +0530
"J. Bakshi (জ. বকসী )" <j.bakshi at unlimitedmail.org> wrote:

> On Fri, 6 Sep 2013 15:32:00 +0800
> littlebat <dashing.meng at gmail.com> wrote:
> 
> > On Fri, 6 Sep 2013 12:16:52 +0530
> > "J. Bakshi (জ. বকসী )" <j.bakshi at unlimitedmail.org> wrote:
> > 
> > > Hello list,
> > > 
> > > I have 3 part of a single program in 3 dat files.
> > > Is it possible to join all these 3 .dat to a single .dat file ?
> > > I then like to convert that single file to a .mp4
> > > 
> > 
> > See FFmpeg Wiki: How to concatenate (join, merge) media files
> > https://ffmpeg.org/trac/ffmpeg/wiki/How%20to%20concatenate%20%28join%2C%20merge%29%20media%20files
> > _______________________________________________
> >
> 
> Thanks


No luck :-(

followed the instruction and get the following error


ffmpeg -f concat -i file -c copy out.dat

ffmpeg version 1.2.2 Copyright (c) 2000-2013 the FFmpeg developers
  built on Aug 10 2013 06:25:00 with gcc 4.8 (Debian 4.8.1-8)
  configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr  libavutil      52. 18.100 / 52. 18.100
  libavcodec     54. 92.100 / 54. 92.100
  libavformat    54. 63.104 / 54. 63.104
  libavdevice    54.  3.103 / 54.  3.103
  libavfilter     3. 42.103 /  3. 42.103
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  2.100 / 52.  2.100
[mpeg @ 0x11f93e0] max_analyze_duration 5000000 reached at 5000000 microseconds
[concat @ 0x11e8520] max_analyze_duration 5000000 reached at 5000000 microseconds
[concat @ 0x11e8520] Estimating duration from bitrate, this may be inaccurate
Input #0, concat, from 'file':
  Duration: 00:00:00.00, start: 0.064489, bitrate: 1376 kb/s
    Stream #0:0: Video: mpeg1video, yuv420p, 352x288 [SAR 178:163 DAR 1958:1467], 1146 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
    Stream #0:1: Audio: mp2, 44100 Hz, stereo, s16p, 224 kb/s
[NULL @ 0x123ca20] Unable to find a suitable output format for 'out.dat'
out.dat: Invalid argument