FFmpeg JOIN

 Directory of C:\TMP\SEA\ffmpeg

11/21/2013  01:17 PM                28 flist
10/26/2004  06:38 PM           381,554 vid1.mp4
10/26/2004  06:38 PM           381,554 vid2.mp4

---

flist:

file vid1.mp4
file vid2.mp4

---

ffmpeg -f concat -i flist -c copy out.mp4 2>&1 | tee xxx

---

xxx:

ffmpeg version 2.1 Copyright (c) 2000-2013 the FFmpeg developers
  built on Oct 30 2013 02:37:10 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 48.100 / 52. 48.100
  libavcodec     55. 39.100 / 55. 39.100
  libavformat    55. 19.104 / 55. 19.104
  libavdevice    55.  5.100 / 55.  5.100
  libavfilter     3. 90.100 /  3. 90.100
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
[concat @ 028ea800] Estimating duration from bitrate, this may be inaccurate
Input #0, concat, from 'flist':
  Duration: 00:00:00.00, start: 0.000000, bitrate: 617 kb/s
    Stream #0:0: Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 122 kb/s
    Stream #0:1: Video: mpeg4 (Advanced Simple Profile) (mp4v / 0x7634706D), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 480 kb/s, 30 fps, 30 tbr, 600 tbn, 1k tbc
    Stream #0:2: Data: none (mp4s / 0x7334706D), 0 kb/s
    Stream #0:3: Data: none (mp4s / 0x7334706D), 0 kb/s
Output #0, mp4, to 'out.mp4':
  Metadata:
    encoder         : Lavf55.19.104
    Stream #0:0: Video: mpeg4 ( [0][0][0] / 0x0020), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 480 kb/s, 30 fps, 19200 tbn, 600 tbc
    Stream #0:1: Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, 122 kb/s
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
  Stream #0:0 -> #0:1 (copy)
Press [q] to stop, [?] for help
frame=  300 fps=0.0 q=-1.0 Lsize=     745kB time=00:00:09.96 bitrate= 612.6kbits/s

video:587kB audio:149kB subtitle:0 global headers:0kB muxing overhead 1.303417%

---

 Directory of C:\TMP\SEA\ffmpeg

11/21/2013  01:21 PM           763,380 out.mp4
10/26/2004  06:38 PM           381,554 vid1.mp4
10/26/2004  06:38 PM           381,554 vid2.mp4
11/21/2013  01:21 PM             2,269 xxx