| 24 | | libzvbi_teletextdec can output in two formats, either "an image" output or "text" output. Default is image. Text output must be selected in order for it to be converted to other text formats, like, in this instance, srt. |
| | 24 | vbi teletext is a format specification that allows for including text (characters) and a few basic images as metadata between video frames of a broadcast. |
| | 25 | |
| | 26 | libzvbi_teletextdec can decode that, and output in two formats, either "image" output or "text" output. Default is image. Text output must be selected in order for it to be converted to other text formats, like, in this instance, srt. See [https://www.ffmpeg.org/ffmpeg-all.html#libzvbi_002dteletext here] for more options. |
| | 27 | |
| | 28 | You can also convert to .ssa format, etc. Here is how to list all the subtitle options available: |
| | 29 | |
| | 30 | {{{ |
| | 31 | ffmpeg -codecs | grep subtitle |
| | 32 | ffmpeg version 3.1.3 Copyright (c) 2000-2016 the FFmpeg developers |
| | 33 | built with Apple LLVM version 7.3.0 (clang-703.0.31) |
| | 34 | configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-ffplay --disable-lzma --enable-vda |
| | 35 | libavutil 55. 28.100 / 55. 28.100 |
| | 36 | libavcodec 57. 48.101 / 57. 48.101 |
| | 37 | libavformat 57. 41.100 / 57. 41.100 |
| | 38 | libavdevice 57. 0.101 / 57. 0.101 |
| | 39 | libavfilter 6. 47.100 / 6. 47.100 |
| | 40 | libavresample 3. 0. 0 / 3. 0. 0 |
| | 41 | libswscale 4. 1.100 / 4. 1.100 |
| | 42 | libswresample 2. 1.100 / 2. 1.100 |
| | 43 | libpostproc 54. 0.100 / 54. 0.100 |
| | 44 | DES... ass ASS (Advanced SSA) subtitle (decoders: ssa ass ) (encoders: ssa ass ) |
| | 45 | DES... dvb_subtitle DVB subtitles (decoders: dvbsub ) (encoders: dvbsub ) |
| | 46 | DES... dvd_subtitle DVD subtitles (decoders: dvdsub ) (encoders: dvdsub ) |
| | 47 | D.S... hdmv_pgs_subtitle HDMV Presentation Graphic Stream subtitles (decoders: pgssub ) |
| | 48 | ..S... hdmv_text_subtitle HDMV Text subtitle |
| | 49 | D.S... jacosub JACOsub subtitle |
| | 50 | D.S... microdvd MicroDVD subtitle |
| | 51 | D.S... mpl2 MPL2 subtitle |
| | 52 | D.S... pjs PJS (Phoenix Japanimation Society) subtitle |
| | 53 | D.S... realtext RealText subtitle |
| | 54 | D.S... sami SAMI subtitle |
| | 55 | ..S... srt SubRip subtitle with embedded timing |
| | 56 | ..S... ssa SSA (SubStation Alpha) subtitle |
| | 57 | D.S... stl Spruce subtitle format |
| | 58 | DES... subrip SubRip subtitle (decoders: srt subrip ) (encoders: srt subrip ) |
| | 59 | D.S... subviewer SubViewer subtitle |
| | 60 | D.S... subviewer1 SubViewer v1 subtitle |
| | 61 | D.S... vplayer VPlayer subtitle |
| | 62 | DES... webvtt WebVTT subtitle |
| | 63 | }}} |
