[FFmpeg-user] hwaccel pssible nvenc+decklink ??

[Matthew Reus]

*ffmpeg -fflags +genpts -vsync 0 -hwaccel_device 1 -hwaccel_output_format
cuda -format_code pal -f decklink -i 'DeckLink Quad (4)' -vf
"format=yuv420p|cuda,yadif_cuda=0:-1:0,scale_npp=1280:720"  -b:v 3M -bf 2
-aspect 16:9 -profile:v main -preset:v medium -c:v h264_nvenc -c:a aac -b:a
128k -ar 44100 -strict -2 -f flv -f flv
 'rtmp://admin:admin@192.168.0.44:1935/nettv/netMOVIESOK1500.stream
<http://admin:admin@192.168.0.44:1935/nettv/netMOVIESOK1500.stream>'*
ffmpeg version N-97249-gfc12d6c Copyright (c) 2000-2020 the FFmpeg
developers
  built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
  configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static
--extra-cflags='-I/root/ffmpeg_build/include
-I/root/ffmpeg_sources/BMD_SDK/include'
--extra-ldflags=-L/root/ffmpeg_build/lib --extra-libs='-lpthread -lm'
--bindir=/root/bin --enable-cuda --enable-cuda-nvcc --enable-cuvid
--enable-libnpp --extra-cflags=-I../nv_sdk --extra-ldflags=-L../nv_sdk
--extra-cflags=-I/usr/local/cuda/include/
--extra-ldflags=-L/usr/local/cuda/lib64/ --enable-decklink
--extra-cflags=-I/usr/local/sdk/Linux/include/
--extra-ldflags=-L/usr/local/sdk/Linux/include/ --enable-gpl
--enable-libaom --enable-libass --enable-libfdk-aac --enable-vaapi
--enable-libfreetype --enable-libmp3lame --enable-libopus
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
--enable-nonfree --enable-nvenc
  libavutil      56. 42.102 / 56. 42.102
  libavcodec     58. 78.100 / 58. 78.100
  libavformat    58. 42.100 / 58. 42.100
  libavdevice    58.  9.103 / 58.  9.103
  libavfilter     7. 77.101 /  7. 77.101
  libswscale      5.  6.101 /  5.  6.101
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
[decklink @ 0x556bb09229c0] Found Decklink mode 720 x 576 with rate 25.00(i)
[decklink @ 0x556bb09229c0] Frame received (#1) - No input signal detected
- Frames dropped 1
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, decklink, from 'DeckLink Quad (4)':
  Duration: N/A, start: 0.000000, bitrate: 167424 kb/s
    Stream #0:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
    Stream #0:1: Video: rawvideo (UYVY / 0x59565955), uyvy422(top first),
720x576, 165888 kb/s, 25 fps, 25 tbr, 1000k tbn, 1000k tbc
[rtmp @ 0x556bb0964a00] Ignoring unsupported var reason
Stream mapping:
  Stream #0:1 -> #0:0 (rawvideo (native) -> h264 (h264_nvenc))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (native))
Press [q] to stop, [?] for help
Impossible to convert between the formats supported by the filter
'Parsed_format_0' and the filter 'auto_scaler_1'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:1
Conversion failed!