[FFmpeg-user] Which command line can do dvb_teletext from ts to mp4

[Henk D. Schoneveld]

> 
> Okay, I still don't see the point where ffmpeg is not able to convert
> to mov_text. I fail to find the proper description of that in this
> thread. ;-)
I send Carl a sample, which didn’t/does not work as it seems to work for you.
> 
> Just like conversion from teletext to SRT works fine, so does this for
> me:
> 
> $ ffmpeg -ss 00:03:20 -fix_sub_duration -txt_format text -txt_page 777 -i /home/barsnick/Downloads/PVR/20160130\ 2014\ -\ ZDF\ HD\ -\ München\ Mord.ts -map 0:v -map 0:2 -map 0:5 -c:v copy -c:a copy -c:s mov_text -t 60 tmp/München_Mord.mp4
Just did a recording from EinsFestival and here are the results:

ffmpeg -fix_sub_duration -txt_format text -txt_page 150 -i *.ts -map 0:v -map 0:3 -map 0:5 -c:v copy -c:a copy -c:s mov_text -t 60 ts2mp4.mp4
ffmpeg version N-78441-g4c44972 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.2 (GCC)
  configuration: --prefix=/usr --enable-libfdk_aac --enable-libx264 --enable-gpl --enable-nonfree --enable-libzvbi
  libavutil      55. 17.102 / 55. 17.102
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[h264 @ 0x1fd8ac0] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x1fd8ac0] decode_slice_header error
[h264 @ 0x1fd8ac0] no frame!
[h264 @ 0x1fd8ac0] non-existing PPS 0 referenced
    Last message repeated 1 times
[h264 @ 0x1fd8ac0] decode_slice_header error
[h264 @ 0x1fd8ac0] no frame!

snip

h264 @ 0x1fd8ac0] Increasing reorder buffer to 2
[NULL @ 0x1fdb940] start time for stream 4 is not set in estimate_timings_from_pts
[mpegts @ 0x1fd4540] PES packet size mismatch
    Last message repeated 2 times
Input #0, mpegts, from 'Patientenabzocke - Wohin geht das Geld im Gesundheitssystem-.10-30.ts':
  Duration: 00:15:36.91, start: 12645.189111, bitrate: 12758 kb/s
  Program 1 
    Stream #0:0[0x1523]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
    Stream #0:1[0x1524](ger): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s
    Stream #0:2[0x1525](mis): Audio: mp2 ([4][0][0][0] / 0x0004), 48000 Hz, stereo, s16p, 192 kb/s
    Stream #0:3[0x1528](ger): Audio: ac3 ([129][0][0][0] / 0x0081), 48000 Hz, stereo, fltp, 448 kb/s
    Stream #0:4[0x1527](ger): Subtitle: dvb_subtitle ([6][0][0][0] / 0x0006)
  No Program
    Stream #0:5[0x1526]: Subtitle: dvb_teletext, 492x250
Output #0, mp4, to 'ts2mp4.mp4':
    Stream #0:0: Video: h264, yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=2-31, 50 fps, 50 tbr, 90k tbn, 90k tbc
    Stream #0:1(ger): Audio: ac3, 48000 Hz, stereo, 448 kb/s
    Stream #0:2: Subtitle: mov_text, 128 kb/s
    Metadata:
      encoder         : Lavc57.24.102 mov_text
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:3 -> #0:1 (copy)
  Stream #0:5 -> #0:2 (dvb_teletext (libzvbi_teletextdec) -> mov_text (native))
Error while opening encoder for output stream #0:2 - maybe incorrect parameters such as bit_rate, rate, width or height
> 
> This displays fine in VLC, though I'm not sure whether you might want
> better formatting.
> 
> Moritz
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