ffmpeg -txt_format text -txt_page 100 -i Star\ Trek.m2t -map 0:0 -c:s mov_text  -t 60 -y -v verbose out.mp4
ffmpeg version 3.4.4 Copyright (c) 2000-2018 the FFmpeg developers
  built with gcc 7 (SUSE Linux)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --incdir=/usr/include/ffmpeg --extra-cflags='-fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g' --optflags='-fmessage-length=0 -grecord-gcc-switches -O2 -Wall -D_FORTIFY_SOURCE=2 -fstack-protector-strong -funwind-tables -fasynchronous-unwind-tables -fstack-clash-protection -g' --disable-htmlpages --enable-pic --disable-stripping --enable-shared --disable-static --enable-gpl --disable-openssl --enable-avresample --enable-libcdio --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libcelt --enable-libcdio --enable-libdc1394 --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libzimg --enable-libzvbi --enable-vaapi --enable-vdpau --enable-libx264 --enable-libx265 --enable-libxvid
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
[mpegts @ 0x563e00c37080] parser not found for codec dvb_teletext, packets or times may be invalid.
[libzvbi_teletextdec @ 0x563e00c3b620] page filter: 100
[mpegts @ 0x563e00c37080] parser not found for codec dvb_teletext, packets or times may be invalid.
[libzvbi_teletextdec @ 0x563e00c3b620] page filter: *
[mpeg2video @ 0x563e00c3c680] Invalid frame dimensions 0x0.
    Last message repeated 10 times
[mpegts @ 0x563e00c37080] max_analyze_duration 5000000 reached at 5000011 microseconds st:0
[mpegts @ 0x563e00c37080] PES packet size mismatch
    Last message repeated 2 times
Input #0, mpegts, from 'Star Trek.m2t':
  Duration: 02:39:34.88, start: 35931.138033, bitrate: 3742 kb/s
  Program 17501
    Stream #0:0[0x21](deu,deu): Subtitle: dvb_teletext ([6][0][0][0] / 0x0006), 492x250
    Stream #0:1[0x1ff]: Video: mpeg2video (Main), 1 reference frame ([2][0][0][0] / 0x0002), yuv420p(tv, top first, left), 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:2[0x200](deu): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 192 kb/s (clean effects)
    Stream #0:3[0x203](deu): Audio: ac3 ([6][0][0][0] / 0x0006), 48000 Hz, 5.1(side), fltp, 384 kb/s (clean effects)
[libzvbi_teletextdec @ 0x563e00c5fb60] page filter: 100
Output #0, mp4, to 'out.mp4':
  Metadata:
    encoder         : Lavf57.83.100
    Stream #0:0(deu,deu): Subtitle: mov_text (tx3g / 0x67337874), 492x250
    Metadata:
      encoder         : Lavc57.107.100 mov_text
Stream mapping:
  Stream #0:0 -> #0:0 (dvb_teletext (libzvbi_teletextdec) -> mov_text (native))
Press [q] to stop, [?] for help
No more output streams to write to, finishing.
size=      14kB time=00:00:57.64 bitrate=   2.0kbits/s speed=3.25e+03x
video:0kB audio:0kB subtitle:13kB other streams:0kB global headers:0kB muxing overhead: 6.591928%
Input file #0 (Star Trek.m2t):
  Input stream #0:0 (subtitle): 1528 packets read (1899304 bytes); 13 frames decoded;
  Input stream #0:1 (video): 0 packets read (0 bytes);
  Input stream #0:2 (audio): 0 packets read (0 bytes);
  Input stream #0:3 (audio): 0 packets read (0 bytes);
  Total: 1528 packets (1899304 bytes) demuxed
Output file #0 (out.mp4):
  Output stream #0:0 (subtitle): 12 frames encoded; 12 packets muxed (13380 bytes);
  Total: 12 packets (13380 bytes) muxed


-------------------------------------


cat out.mp4

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