#7126: DECKLINK: Video keep misbehaving
-------------------------------------+-------------------------------------
             Reporter:  ikolesnikov  |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  Decklink,    |               Blocked By:
  There are not enough buffered      |  Reproduced by developer:  0
  video frames                       |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 I want to display incoming stream on a Decklink card and do it with the
 following command:
 {{{
 $ ffmpeg -y -i "udp://IP:PORT?overrun_nonfatal=1" -f decklink -pix_fmt
 uyvy422 -s 720x576 -r 25000/1000 'DeckLink Quad (1)'
 ffmpeg version 3.3.3 Copyright (c) 2000-2017 the FFmpeg developers built
 with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.9) 20160609
 configuration: --cpu=native --enable-pthreads --enable-bzlib --enable-
 libdc1394 --enable-libfreetype
 --enable-frei0r --enable-gnutls --enable-libgsm --enable-libmp3lame
 --enable-librtmp --enable-libopencv
 --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libspeex
 --enable-libtheora --enable-vaapi
 --enable-vdpau --enable-libvorbis --enable-libvpx --enable-zlib --enable-
 libfdk-aac --enable-nonfree
 --enable-gpl --enable-swscale --enable-libcdio --enable-libxcb --enable-
 libx264 --enable-libxvid
 --enable-libopencore-amrnb --enable-version3 --enable-libopencore-amrwb
 --enable-libvo-amrwbenc
 --enable-nvenc --enable-openssl --enable-decklink --extra-
 cflags=-I/home/user/Blackmagic_DeckLink_SDK_10.9.5/Linux/include
 --extra-ldflags=-ldl --extra-libs=-ldl --enable-libnpp --extra-
 cflags=-I/usr/local/cuda-8.0/include
 --extra-ldflags=L/usr/local/cuda-8.0/lib64 --enable-pic --enable-shared
   libavutil      55. 58.100 / 55. 58.100
   libavcodec     57. 89.100 / 57. 89.100
   libavformat    57. 71.100 / 57. 71.100
   libavdevice    57.  6.100 / 57.  6.100
   libavfilter     6. 82.100 /  6. 82.100
   libswscale      4.  6.100 /  4.  6.100
   libswresample   2.  7.100 /  2.  7.100
   libpostproc    54.  5.100 / 54.  5.100
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] SPS unavailable in decode_picture_timing
 [h264 @ 0x1f51660] non-existing PPS 1 referenced
 [h264 @ 0x1f51660] decode_slice_header error
 [h264 @ 0x1f51660] no frame!
 Input #0, mpegts, from 'udp://IP:PORT':
   Duration: N/A, start: 73886.412744, bitrate: N/A
   Program 2
     Metadata:
       service_name    : MY TV
       service_provider: MY TV
     Stream #0:0[0x86]: Video: h264 (Main) ([27][0][0][0] / 0x001B),
 yuv420p(tv, bt470bg, top first), 720x576 [SAR 16:11 DAR 20:11], 25 fps, 25
 tbr, 90k tbn, 50 tbc
     Stream #0:1[0x4c4](ara): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, s16p, 128 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
   Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help
 [h264 @ 0x1f7c180] non-existing PPS 1 referenced
 [h264 @ 0x1f7c180] decode_slice_header error
 [h264 @ 0x1f7c180] no frame!
 [h264 @ 0x21aee80] non-existing PPS 1 referenced
 [h264 @ 0x21aee80] decode_slice_header error
 [h264 @ 0x21aee80] no frame!
 [h264 @ 0x2106040] non-existing PPS 1 referenced
 [h264 @ 0x2106040] decode_slice_header error
 [h264 @ 0x2106040] no frame!
 [h264 @ 0x1fb30a0] non-existing PPS 1 referenced
 [h264 @ 0x1fb30a0] decode_slice_header error
 [h264 @ 0x1fb30a0] no frame!
 [h264 @ 0x1fe35e0] non-existing PPS 1 referenced
 [h264 @ 0x1fe35e0] decode_slice_header error
 [h264 @ 0x1fe35e0] no frame!
 [h264 @ 0x1fe5c60] non-existing PPS 1 referenced
 [h264 @ 0x1fe5c60] decode_slice_header error
 [h264 @ 0x1fe5c60] no frame!
 [h264 @ 0x22e4560] non-existing PPS 1 referenced
 [h264 @ 0x22e4560] decode_slice_header error
 [h264 @ 0x22e4560] no frame!
 [h264 @ 0x21082c0] non-existing PPS 1 referenced
 [h264 @ 0x21082c0] decode_slice_header error
 [h264 @ 0x21082c0] no frame!
 Error while decoding stream #0:0: Invalid data found when processing input
 [h264 @ 0x213ff00] non-existing PPS 1 referenced
 [h264 @ 0x213ff00] decode_slice_header error
 [h264 @ 0x213ff00] no frame!
 Error while decoding stream #0:0: Invalid data found when processing input
 [h264 @ 0x1f7c180] non-existing PPS 1 referenced
 [h264 @ 0x1f7c180] decode_slice_header error
 [h264 @ 0x1f7c180] no frame!
 Error while decoding stream #0:0: Invalid data found when processing input
 [h264 @ 0x21aee80] non-existing PPS 1 referenced
 [h264 @ 0x21aee80] decode_slice_header error
 [h264 @ 0x21aee80] no frame!
 Error while decoding stream #0:0: Invalid data found when processing input
     Last message repeated 7 times
 [decklink @ 0x1f70920] Found Decklink mode 720 x 576 with rate 25.00(i)
 Output #0, decklink, to 'DeckLink Quad (1)':
   Metadata:
     encoder         : Lavf57.71.100
     Stream #0:0: Video: wrapped_avframe, uyvy422, 720x576 [SAR 16:11 DAR
 20:11], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc
     Metadata:
       encoder         : Lavc57.89.100 wrapped_avframe
     Stream #0:1(ara): Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
     Metadata:
       encoder         : Lavc57.89.100 pcm_s16le
 frame=  125 fps= 34 q=-0.0 size=N/A time=00:00:05.00 bitrate=N/A dup=31
 drop=0 speed=1.37x
 frame=  138 fps= 33 q=-0.0 size=N/A time=00:00:05.52 bitrate=N/A dup=31
 drop=0 speed=1.33x
 frame=  150 fps= 32 q=-0.0 size=N/A time=00:00:06.00 bitrate=N/A dup=31
 drop=0 speed=1.28x
 frame=  162 fps= 31 q=-0.0 size=N/A time=00:00:06.48 bitrate=N/A dup=31
 drop=0 speed=1.25x
 }}}

 This issue hard to reproduce as it can work a long time without any
 problems, but need await and I'll start to receive the following errors:


 {{{
 [2018-04-06 10:14:26] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:26] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:26]     Last message repeated 1 times
 [2018-04-06 10:14:26] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:26] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 2 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 1 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 2 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 1 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 2 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 1 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 [2018-04-06 10:14:27]     Last message repeated 2 times
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There are not enough buffered
 video frames. Video may misbehave!
 [2018-04-06 10:14:27] [decklink @ 0x2045d40] There"s no buffered audio.
 Audio will misbehave!
 }}}
 After that these errors fall down constantly. I think it's a bug as this
 issue easy to fix using the FFmpeg restart. This is not an isolated case,
 I found the same problem at the
 [https://stackoverflow.com/questions/47287339/ffmpeg-how-to-skip-late-
 input stackoverflow]

--
Ticket URL: <https://trac.ffmpeg.org/ticket/7126>
FFmpeg <https://ffmpeg.org>
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