[FFmpeg-trac] #5245(undetermined:new): Video on SDI output of DeckLink frezees

[FFmpeg]

#5245: Video on SDI output of DeckLink frezees
-------------------------------------+-------------------------------------
             Reporter:  meni         |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:  git-
  undetermined                       |  master
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Video on SDI output of DeckLink perioically frezees/drop frames. I saw it
 when connect SDI output to the monitor.
 ffmpeg output:
 {{{
 % ffmpeg version N-78351-ga25c5db Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
   configuration: --prefix=/home/meni/ffmpeg_build --pkg-config-
 flags=--static --extra-cflags=-I/home/meni/ffmpeg_build/include --extra-
 ldflags=-L/home/meni/ffmpeg_build/lib --bindir=/home/meni/bin --enable-
 decklink --enable-gpl --enable-libass --enable-libfdk-aac --enable-
 libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora
 --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
 --enable-nonfree
   libavutil      55. 17.100 / 55. 17.100
   libavcodec     57. 24.101 / 57. 24.101
   libavformat    57. 24.101 / 57. 24.101
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 30.100 /  6. 30.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, mpeg, from '17_02_16.mpg':
   Duration: 00:16:14.26, start: 0.248867, bitrate: 9408 kb/s
     Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p(tv), 720x576
 [SAR 64:45 DAR 16:9], 9000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0:1[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16p, 256 kb/s
 [decklink @ 0x2c68160] Found Decklink mode 720 x 576 with rate 25.00(i)
 Output #0, decklink, to 'DeckLink SDI':
   Metadata:
     encoder         : Lavf57.24.101
     Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422, 720x576
 [SAR 64:45 DAR 16:9], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.24.101 rawvideo
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, 7.1, s16, 6144 kb/s
     Metadata:
       encoder         : Lavc57.24.101 pcm_s16le
 Stream mapping:
   Stream #0:0 -> #0:0 (mpeg2video (native) -> rawvideo (native))
   Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 [decklink @ 0x2c68160] Timestamps are unset in a packet for stream 0. This
 is deprecated and will stop working in the future. Fix your code to set
 the timestamps properly
 [decklink @ 0x2c68160] Encoder did not produce proper pts, making some up.
 }}}
 How to solve the freezes issue and warnings?
 {{{
 [decklink @ 0x2c68160] Timestamps are unset in a packet for stream 0. This
 is deprecated and will stop working in the future. Fix your code to set
 the timestamps properly
 [decklink @ 0x2c68160] Encoder did not produce proper pts, making some up.
 }}}

 Had same trouble on two machines under Ubuntu and CentOS with latest
 ffmpeg from git-master compiled with DeckLink support (DeckLink SDK
 10.5.4).

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5245>
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