Create a new version of paste:

C:\cli>ffmpeg\bin\ffmpeg.exe -i "V:\infile.mpg" -vcodec copy -an "V:\outfile.mpg"
ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 25 2012 12:25:21 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-pthreads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroed
inger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
  libavutil      52.  9.100 / 52.  9.100
  libavcodec     54. 77.100 / 54. 77.100
  libavformat    54. 37.100 / 54. 37.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.102 /  3. 23.102
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 17.101 /  0. 17.101
  libpostproc    52.  2.100 / 52.  2.100
Guessed Channel Layout for  Input Stream #0.1 : stereo
Input #0, mpeg, from 'V:\infile.mpg':
  Duration: 00:21:00.64, start: 0.382122, bitrate: 38039 kb/s
    Stream #0:0[0x1e0]: Video: mpeg2video (High), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1[0xa0]: Audio: pcm_s16be, 48000 Hz, stereo, s16, 1536 kb/s
Output #0, mpeg, to 'V:\outfile.mpg':
  Metadata:
    encoder         : Lavf54.37.100
    Stream #0:0: Video: mpeg2video, yuv420p, 720x576 [SAR 16:15 DAR 4:3], q=2-31, 25 fps, 90k tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
Press [q] to stop, [?] for help
frame=31516 fps=1489 q=-1.0 Lsize= 3290228kB time=00:21:00.60 bitrate=21381.5kbits/s
video:3278483kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.358241%

C:\cli>ffmpeg\bin\ffmpeg.exe -i "V:\infile.mpg" -vcodec copy -acodec copy "V:\outfile2.mpg"
ffmpeg version N-47062-g26c531c Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 25 2012 12:25:21 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-pthreads --enable-runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libass --enable-libopencore-
amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroed
inger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --
enable-libxvid --enable-zlib
  libavutil      52.  9.100 / 52.  9.100
  libavcodec     54. 77.100 / 54. 77.100
  libavformat    54. 37.100 / 54. 37.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.102 /  3. 23.102
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 17.101 /  0. 17.101
  libpostproc    52.  2.100 / 52.  2.100
Guessed Channel Layout for  Input Stream #0.1 : stereo
Input #0, mpeg, from 'V:\infile.mpg':
  Duration: 00:21:00.64, start: 0.382122, bitrate: 38039 kb/s
    Stream #0:0[0x1e0]: Video: mpeg2video (High), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1[0xa0]: Audio: pcm_s16be, 48000 Hz, stereo, s16, 1536 kb/s
Output #0, mpeg, to 'V:\outfile2.mpg':
  Metadata:
    encoder         : Lavf54.37.100
    Stream #0:0: Video: mpeg2video, yuv420p, 720x576 [SAR 16:15 DAR 4:3], q=2-31, 25 fps, 90k tbn, 25 tbc
    Stream #0:1: Audio: pcm_s16be, 48000 Hz, stereo, 1536 kb/s
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
buffer underflow i=1 bufi=1548 size=20082kB time=00:00:51.96 bitrate=25635.8kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1548 size=2008
    Last message repeated 28 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1568 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1704 size=2008
    Last message repeated 97 times
buffer underflow i=1 bufi=1704 size=20082kB time=00:01:05.04 bitrate=25053.6kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1724 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1744 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1764 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1784 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1832 size=2008
    Last message repeated 27 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1852 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1900 size=2008
    Last message repeated 58 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1920 size=2008
    Last message repeated 2 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1940 size=2008
buffer underflow i=1 bufi=1364 size=20086kB time=00:06:07.76 bitrate=23601.8kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1364 size=2008
    Last message repeated 26 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1384 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1520 size=2008
    Last message repeated 26 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1540 size=2008
    Last message repeated 3 times
buffer underflow i=1 bufi=1824 size=20080kB time=00:10:23.76 bitrate=23553.2kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1824 size=2008
    Last message repeated 27 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1844 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1980 size=2008
    Last message repeated 34 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=2000 size=2008
buffer underflow i=1 bufi=1316 size=20086kB time=00:19:44.92 bitrate=23603.2kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1316 size=2008
    Last message repeated 14 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1964 size=2008
    Last message repeated 50 times
buffer underflow i=1 bufi=1964 size=20086kB time=00:20:04.16 bitrate=23587.2kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1984 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=2004 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1500 size=2008
    Last message repeated 9 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1636 size=2008
    Last message repeated 32 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1656 size=2008
    Last message repeated 4 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1752 size=2008
    Last message repeated 34 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1772 size=2008
    Last message repeated 3 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1876 size=2008
    Last message repeated 32 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1896 size=2008
    Last message repeated 4 times
buffer underflow i=1 bufi=1352 size=20082kB time=00:20:19.88 bitrate=23399.8kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1352 size=2008
    Last message repeated 10 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1880 size=2008
    Last message repeated 2 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1908 size=2008
    Last message repeated 14 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1928 size=2008
    Last message repeated 4 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1996 size=2008
    Last message repeated 54 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=8 size=2008
buffer underflow i=1 bufi=1980 size=20088kB time=00:20:49.16 bitrate=23076.2kbits/s
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1980 size=2008
    Last message repeated 64 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=2000 size=2008
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=872 size=2008
    Last message repeated 1 times
[mpeg @ 0000000005095800] buffer underflow i=1 bufi=1520 size=2008
frame=31516 fps=1236 q=-1.0 Lsize= 3529530kB time=00:21:00.63 bitrate=22935.9kbits/s
video:3278483kB audio:236370kB subtitle:0 global headers:0kB muxing overhead 0.417567%

V:\>dir

 Directory of V:\

11/26/2012  01:42 PM     5,994,215,428 infile.mpg
11/26/2012  03:53 PM     3,369,193,472 outfile.mpg
11/26/2012  03:54 PM     3,614,238,720 outfile2.mpg