ffmpeg -v debug -i test_subs01.ts -vcodec copy -acodec copy -scodec dvbsub test_subs03.ts
ffmpeg version 2.7.6-0ubuntu0.15.10.1 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 5.2.1 (Ubuntu 5.2.1-22ubuntu2) 20151010
  configuration: --prefix=/usr --extra-version=0ubuntu0.15.10.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared --disable-stripping --enable-avresample --enable-avisynth --enable-frei0r --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-openal --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libxvid --enable-libzvbi --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-libssh --enable-libsoxr --enable-libx264 --enable-libopencv --enable-libx265
  libavutil      54. 27.100 / 54. 27.100
  libavcodec     56. 41.100 / 56. 41.100
  libavformat    56. 36.100 / 56. 36.100
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 16.101 /  5. 16.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.100 /  1.  2.100
  libpostproc    53.  3.100 / 53.  3.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument 'test_subs01.ts'.
Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'copy'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'copy'.
Reading option '-scodec' ... matched as option 'scodec' (force subtitle codec ('copy' to copy stream)) with argument 'dvbsub'.
Reading option 'test_subs03.ts' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file test_subs01.ts.
Successfully parsed a group of options.
Opening an input file: test_subs01.ts.
[mpegts @ 0x151e5c0] Format mpegts probed with size=2048 and score=100
[mpegts @ 0x151e5c0] stream=0 stream_type=2 pid=43e prog_reg_desc=
[mpegts @ 0x151e5c0] stream=1 stream_type=4 pid=c09 prog_reg_desc=
[mpegts @ 0x151e5c0] stream=2 stream_type=4 pid=fe3 prog_reg_desc=
[mpegts @ 0x151e5c0] stream=3 stream_type=4 pid=fe4 prog_reg_desc=
[mpegts @ 0x151e5c0] stream=4 stream_type=4 pid=fe5 prog_reg_desc=
[mpegts @ 0x151e5c0] stream=5 stream_type=6 pid=1776 prog_reg_desc=
[mpegts @ 0x151e5c0] Before avformat_find_stream_info() pos: 0 bytes read:131072 seeks:1
[mpegts @ 0x151e5c0] parser not found for codec dvb_teletext, packets or times may be invalid.
[libzvbi_teletextdec @ 0x1525d00] page filter: *
[mpegts @ 0x151e5c0] parser not found for codec dvb_teletext, packets or times may be invalid.
[mpeg2video @ 0x1522480] Invalid frame dimensions 0x0.
    Last message repeated 2 times
[mp3 @ 0x1522fc0] Header missing
[mpeg2video @ 0x1522480] Invalid frame dimensions 0x0.
[mp3 @ 0x1523b00] Header missing
[mp3 @ 0x1524640] Header missing
[mp3 @ 0x1525180] Header missing
[mpeg2video @ 0x1522480] Invalid frame dimensions 0x0.
    Last message repeated 6 times
[mpegts @ 0x151e5c0] max_analyze_duration 5000000 reached at 5000000 microseconds
[mpegts @ 0x151e5c0] PES packet size mismatch
    Last message repeated 3 times
[mpegts @ 0x151e5c0] After avformat_find_stream_info() pos: 0 bytes read:3723408 seeks:3 frames:1077
Input #0, mpegts, from 'test_subs01.ts':
  Duration: 00:01:15.87, start: 67284.221444, bitrate: 4981 kb/s
  Program 1
    Stream #0:0[0x43e], 121, 1/90000: Video: mpeg2video (Main), 1 reference frame ([2][0][0][0] / 0x0002), yuv420p(tv, bt470bg, left), 704x576 [SAR 16:11 DAR 16:9], 1/50, 3498 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1[0xc09](swe), 211, 1/90000: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s
    Stream #0:2[0xfe3](dan), 206, 1/90000: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s
    Stream #0:3[0xfe4](nor), 206, 1/90000: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s
    Stream #0:4[0xfe5](fin), 206, 1/90000: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 256 kb/s
    Stream #0:5[0x1776](und,swe,nor,dan,fin,swe,nor,dan,fin), 127, 1/90000: Subtitle: dvb_teletext ([6][0][0][0] / 0x0006), 492x250
Successfully opened the file.
Parsing a group of options: output file test_subs03.ts.
Applying option vcodec (force video codec ('copy' to copy stream)) with argument copy.
Applying option acodec (force audio codec ('copy' to copy stream)) with argument copy.
Applying option scodec (force subtitle codec ('copy' to copy stream)) with argument dvbsub.
Successfully parsed a group of options.
Opening an output file: test_subs03.ts.
File 'test_subs03.ts' already exists. Overwrite ? [y/N] y
Successfully opened the file.
[libzvbi_teletextdec @ 0x1565ac0] page filter: *
[mpegts @ 0x1566fe0] muxrate VBR, pcr every 2 pkts, sdt every 200, pat/pmt every 40 pkts
Output #0, mpegts, to 'test_subs03.ts':
  Metadata:
    encoder         : Lavf56.36.100
    Stream #0:0, 0, 1/90000: Video: mpeg2video, 1 reference frame ([2][0][0][0] / 0x0002), yuv420p(left), 704x576 (0x0) [SAR 16:11 DAR 16:9], 1/25, q=2-31, 3498 kb/s, 25 fps, 25 tbr, 90k tbn, 25 tbc
    Stream #0:1(swe), 0, 1/90000: Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, 256 kb/s
    Stream #0:2(und,swe,nor,dan,fin,swe,nor,dan,fin), 0, 1/90000: Subtitle: dvb_subtitle (dvbsub), 492x250
    Metadata:
      encoder         : Lavc56.41.100 dvbsub
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (copy)
  Stream #0:5 -> #0:2 (dvb_teletext (libzvbi_teletextdec) -> dvb_subtitle (dvbsub))
Press [q] to stop, [?] for help
[libzvbi_teletextdec @ 0x1565f60] decoded page 622.00
[libzvbi_teletextdec @ 0x1565f60] 41 x 25 page chop:1
Subtitle encoding failed
[AVIOContext @ 0x1526240] Statistics: 0 seeks, 0 writeouts
[AVIOContext @ 0x151dea0] Statistics: 3788944 bytes read, 3 seeks
Conversion failed!