robert # mythffmpeg -i 50mb_bbc1.mpg
FFmpeg version git-v0.25pre-2770-g9312c69, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jul 17 2011 08:05:13 with gcc 4.5.2
  configuration: --prefix=/usr --enable-proc-opt --compile-type=profile
  libavutil    50. 39. 0 / 50. 39. 0
  libavcodec   52.113. 1 / 52.113. 1
  libavformat  52.101. 0 / 52.101. 0
  libavdevice  52.  2. 3 / 52.  2. 3
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
  libpostproc  51.  2. 0 / 51.  2. 0
Tuning to pnum: 0x1 without CRC check on PMT
mpegts_read_header: could not find any PMT's
50mb_bbc1.mpg: Operation not permitted