[FFmpeg-trac] #8433(undetermined:new): DeckLink Mini Recorder && VANC op-47 subtitles

FFmpeg trac at avcodec.org
Thu Dec 19 11:29:41 EET 2019


#8433: DeckLink Mini Recorder && VANC op-47 subtitles
-------------------------------------+-------------------------------------
             Reporter:  karcun       |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 i need stream video with subtitles from SDI Hi50(1080i) VANC OP-47
 and i receive some data from Blackmagick card, but don`t know how i can do
 it.
 Some one know how i can extract data from SDI and embed it into mpegta
 stream?
 How to reproduce:
 {{{
 ffmpeg -raw_format yuv422p10 -format_code Hi50 -teletext_lines all
 -video_input  sdi -f decklink -i 'DeckLink Duo (1)' -vn -an -c:s
 dvb_subtitle -f mpegts -y /tmp/sub.ts
 ffmpeg version 4.2.git-3 Copyright (c) 2000-2019 the FFmpeg developers
   built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
   configuration: --extra-version=3 --toolchain=hardened
 --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu
 --enable-gpl --disable-stripping --disable-doc --disable-htmlpages
 --disable-manpages --disable-podpages --disable-txtpages --enable-
 swresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-
 libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-
 libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme
 --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopus
 --enable-libpulse --enable-librsvg --enable-libshine --enable-libsnappy
 --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora
 --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack
 --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi
 --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-
 libdc1394 --enable-libdrm --enable-frei0r --enable-libx264 --enable-shared
 --enable-nonfree --extra-ldflags='-static-libstdc++ -static-libgcc'
 --enable-static --enable-pic --enable-libfdk-aac --enable-cross-compile
 --pkg-config=pkg-config --enable-libopenmpt --enable-libxml2 --enable-
 libzmq --enable-decklink --extra-cflags=-I/home/user1/src/BMSDK11.4
 --extra-ldflags=-L/home/user1/src/BMSDK11.4 --enable-libklvanc
 --arch=x86_64
   libavutil      56. 35.100 / 56. 35.100
   libavcodec     58. 56.101 / 58. 56.101
   libavformat    58. 32.104 / 58. 32.104
   libavdevice    58.  9.100 / 58.  9.100
   libavfilter     7. 58.102 /  7. 58.102
   libswscale      5.  6.100 /  5.  6.100
   libswresample   3.  6.100 /  3.  6.100
   libpostproc    55.  6.100 / 55.  6.100
 [decklink @ 0x561888396180] Found Decklink mode 1920 x 1080 with rate
 25.00
 Guessed Channel Layout for Input Stream #0.0 : stereo
 Input #0, decklink, from 'DeckLink Duo (1)':
   Duration: N/A, start: 0.000000, bitrate: 1107456 kb/s
     Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
     Stream #0:1: Video: v210 (V210 / 0x30313256), yuv422p10le(top first),
 1920x1080, 1105920 kb/s, 25 tbr, 1000k tbn, 1000k tbc
     Stream #0:2: Subtitle: dvb_teletext, 492x250
 Output #0, mpegts, to '/tmp/sub.ts':
   Metadata:
     encoder         : Lavf58.32.104
     Stream #0:0: Subtitle: dvb_subtitle (dvbsub), 492x250
     Metadata:
       encoder         : Lavc58.56.101 dvbsub
 Stream mapping:
   Stream #0:2 -> #0:0 (dvb_teletext (libzvbi_teletextdec) -> dvb_subtitle
 (dvbsub))
 Press [q] to stop, [?] for help
 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x
 }}}
 Data already exists in the stream:
 {{{
 ~/src/CaptureVANC# ./CaptureVANC -d 0 -m 10
 Starting capture, press <RETURN> to stop/exit
 Found VANC packet:
 Line: 11
 DID: 43
 SDID: 02
 DC: 58
 Data: 51 15 3a 02 96 00 00 00 00 55 55 27 d0 ea 64 38 c7 c7 c7 c7 c7 c7 a4
 99 99 99 99 99 99 99 99 99 99 99 99 9a 9a 9a 9a 9a 9a 9a 9a 9a 9a 9a 9a 9a
 9a 9a 9a 9b 1d 6c 74 03 c4 28
 CS: 7f
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8433>
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