ffmpeg -loglevel 99 -i ultraschall-schwenk535E8A8D.mxf out.mp4
ffmpeg version 2.2.3 Copyright (c) 2000-2014 the FFmpeg developers
  built on Jul 31 2014 15:12:42 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-4)
  configuration: --prefix=/opt/sb4/stage --extra-cflags=-I/opt/sb4/stage/include --extra-ldflags=-L/opt/sb4/stage/lib --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-version3 --enable-libfdk-aac --enable-libx264 --enable-libfreetype
  libavutil      52. 66.100 / 52. 66.100
  libavcodec     55. 52.102 / 55. 52.102
  libavformat    55. 33.100 / 55. 33.100
  libavdevice    55. 10.100 / 55. 10.100
  libavfilter     4.  2.100 /  4.  2.100
  libswscale      2.  5.102 /  2.  5.102
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument '99'.
Reading option '-i' ... matched as input file with argument 'ultraschall-schwenk535E8A8D.mxf'.
Reading option 'out.mp4' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument 99.
Successfully parsed a group of options.
Parsing a group of options: input file ultraschall-schwenk535E8A8D.mxf.
Successfully parsed a group of options.
Opening an input file: ultraschall-schwenk535E8A8D.mxf.
[mxf @ 0x1f97900] Format mxf probed with size=2048 and score=100
[mxf @ 0x1f97900] none: Universal Label: 060e2b34.0401.0101.0e040201.02040100
[mxf @ 0x1f97900] Before avformat_find_stream_info() pos: 393191 bytes read:262790 seeks:7
[mxf @ 0x1f97900] All info found
[mxf @ 0x1f97900] After avformat_find_stream_info() pos: 393191 bytes read:262790 seeks:7 frames:0
Input #0, mxf, from 'ultraschall-schwenk535E8A8D.mxf':
  Metadata:
    uid             : 0045ff1f-642e-4fa7-bbeb-7ead558fe311
    generation_uid  : bd7c96ac-06b2-84c5-80c7-7bf6bf994e8b
    application_platform: AAFSDK (Win64)
    modification_date: 2014-04-28 17:06:21
    product_uid     : acfbf03a-4f42-a231-d0b7-c06ecd3d4ad7
    product_version : Unknown version
    product_name    : Avid Media Composer 7.0
    company_name    : Avid Technology, Inc.
  Duration: 00:00:12.67, start: 0.000000, bitrate: 80464 kb/s
    Stream #0:0, 0, 1/24: Data: none, 0/1
Successfully opened the file.
Parsing a group of options: output file out.mp4.
Successfully parsed a group of options.
Opening an output file: out.mp4.
Successfully opened the file.
Output #0, mp4, to 'out.mp4':
  Metadata:
    uid             : 0045ff1f-642e-4fa7-bbeb-7ead558fe311
    generation_uid  : bd7c96ac-06b2-84c5-80c7-7bf6bf994e8b
    application_platform: AAFSDK (Win64)
    modification_date: 2014-04-28 17:06:21
    product_uid     : acfbf03a-4f42-a231-d0b7-c06ecd3d4ad7
    product_version : Unknown version
    product_name    : Avid Media Composer 7.0
    company_name    : Avid Technology, Inc.
Output file #0 does not contain any stream
[AVIOContext @ 0x1f9cb40] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x1fa0080] Statistics: 262790 bytes read, 7 seeks
Conversion failed!