louis@louis-laptop:~$ ffmpeg -i input.mpg -vcodec copy -acodec copy -ss 00:06:48 output.mpg
    Last message repeated 1 times
[mpegts @ 0x16939a0] PES packet size mismatch
    Last message repeated 2 times
Input #0, mpegts, from 'input.mpg':
  Duration: 10:40:17.55, start: 38329.419867, bitrate: 698 kb/s
  Program 1
    Stream #0.0[0xb40]: Video: h264 (High), yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 66.31 fps, 50 tbr, 90k tbn, 100 tbc
    Stream #0.1[0xb41](dan): Audio: mp2, 48000 Hz, stereo, s16, 192 kb/s
    Stream #0.2[0xb42](dan): Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
    Stream #0.3[0xb49](dan): Subtitle: [6][0][0][0] / 0x0006
[mpeg @ 0x16997e0] VBV buffer size not set, muxing may fail
Output #0, mpeg, to 'output.mpg':
  Metadata:
    encoder         : Lavf53.21.0
    Stream #0.0: Video: libx264, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], q=2-31, 90k tbn, 50 tbc
    Stream #0.1(dan): Audio: mp2, 48000 Hz, stereo, 192 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Press ctrl-c to stop encoding
frame=    0 fps=  0 q=-1.0 Lsize=       0kB time=10000000000.00 bitrate=   0.0kbits/s
video:0kB audio:0kB global headers:0kB muxing overhead -nan%
louis@louis-laptop:~$