1080p.mp4_and_720p.mp4

yarmak@linux-commander:~$ avconv -i 33fb5e0b-17aa-4ee0-bc37-4fc0ed6f3c1b.mp4
avconv version 0.8.10-6:0.8.10-1, Copyright (c) 2000-2013 the Libav developers
  built on Feb  5 2014 03:52:19 with gcc 4.7.2
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '33fb5e0b-17aa-4ee0-bc37-4fc0ed6f3c1b.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 1
    compatible_brands: isomavc1mp42
    creation_time   : 2014-04-24 10:12:09
  Duration: 01:35:06.06, start: 0.000000, bitrate: 1885 kb/s
    Stream #0.0(und): Video: h264 (High), yuv420p, 768x576 [PAR 1:1 DAR 4:3], 1810 kb/s, 50 fps, 50 tbr, 50 tbn, 100 tbc
    Metadata:
      creation_time   : 2014-04-24 09:56:55
    Stream #0.1(und): Audio: aac, 48000 Hz, stereo, s16, 71 kb/s
    Metadata:
      creation_time   : 2014-04-24 10:12:12
At least one output file must be specified
yarmak@linux-commander:~$ avconv -i d589eb92-8749-4f68-af04-1cc17d2e4680.mp4
avconv version 0.8.10-6:0.8.10-1, Copyright (c) 2000-2013 the Libav developers
  built on Feb  5 2014 03:52:19 with gcc 4.7.2
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'd589eb92-8749-4f68-af04-1cc17d2e4680.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 1
    compatible_brands: isomavc1mp42
    creation_time   : 2014-04-24 10:05:58
  Duration: 01:35:06.06, start: 0.000000, bitrate: 2038 kb/s
    Stream #0.0(und): Video: h264 (Main), yuv420p, 768x576 [PAR 1:1 DAR 4:3], 1876 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
    Metadata:
      creation_time   : 2014-04-24 09:57:24
    Stream #0.1(und): Audio: aac, 48000 Hz, stereo, s16, 159 kb/s
    Metadata:
      creation_time   : 2014-04-24 10:06:01
At least one output file must be specified