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    16 avril 2011, par

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Sur d’autres sites (7844)

  • ffmpeg - Error [tcp @ 0x5a25700] Port missing in uri - SU privileges required

    11 mai 2021, par ger

    For further development I tried to download a livestream under Ubuntu 20.04

    


    uname -a
Linux 5.9.16-050916-generic #202012211331 SMP Mon Dec 21 14:11:13 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux`

ffmpeg -v debug -i 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  WARNING: library configuration mismatch
  avcodec     configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libaribb24 --enable-liblensfun --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-timeout' ... matched as AVOption 'timeout' with argument '5000'.
Reading option '-i' ... matched as input url with argument 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd'.
Reading option 'testErsterKanal.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd.
Successfully parsed a group of options.
Opening an input file: https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd.
[NULL @ 0x55f8e8ee6740] Opening 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd' for reading
[https @ 0x55f8e8ee7100] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0x55f8e8ee9580] Original list of addresses:
[tcp @ 0x55f8e8ee9580] Address 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Interleaved list of addresses:
[tcp @ 0x55f8e8ee9580] Address 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Starting connection attempt to 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Successfully connected to 81.211.33.67 port 443
[https @ 0x55f8e8ee7100] request: GET /dash-live11/streams/1tv/1tvdash.mpd HTTP/1.1


    


    worked well

    


    Under Debian 10

    


    Linux 4.19.0-16-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux


    


    it is not working

    


        ffmpeg -v debug -i 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
ffmpeg version 4.1.6 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --disable-decoder=amrnb --disable-decoder=libopenjpeg --disable-libopencv --disable-outdev=sdl2 --disable-podpages --disable-sndio --disable-stripping --enable-libaom --enable-avfilter --enable-avresample --enable-gcrypt --disable-gnutls --enable-openssl --enable-gpl --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libilbc --enable-libkvazaar --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx265 --enable-libzimg --enable-libxvid --enable-libzvbi --enable-nonfree --enable-opencl --enable-opengl --enable-postproc --enable-pthreads --enable-shared --enable-version3 --enable-libwebp --incdir=/usr/include/x86_64-linux-gnu --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --toolchain=hardened --enable-frei0r --enable-chromaprint --enable-libx264 --enable-libiec61883 --enable-libdc1394 --enable-vaapi --enable-libmfx --enable-libvmaf --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input url with argument 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd'.
Reading option 'testErsterKanal.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd.
Successfully parsed a group of options.
Opening an input file: https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd.
[NULL @ 0x55ce69421280] Opening 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd' for reading
[https @ 0x55ce69421e40] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0x55ce69425e00] Port missing in uri
https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd: Invalid argument


    


    I tried with ports 80 and 443, IP and an actual ffmpeg-Version in all combinations

    


        nmap edge2.1internet.tv
Starting Nmap 7.70 ( https://nmap.org ) at 2021-05-06 21:46 CEST
Nmap scan report for edge2.1internet.tv (81.211.33.67)
Host is up (0.078s latency).
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

ffmpeg -v debug -i 'https://81.211.33.67:443/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
    ffmpeg -v debug -i 'https://81.211.33.67:80/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
    ./ffmpeg-git-20210501-amd64-static/ffmpeg -v debug -i 'https://81.211.33.67:443/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4


    


    What is the error : [tcp @ 0x55ce69425e00] Port missing in uri and where it comes from ?
May be an global configuration error and not ffmpeg ?
Thanks

    


    EDIT

    


    I found out, that it is working only with sudo and the actual ffmpeg version (static build) from the home directory of the user, which is owend by the user.
All privileges of the directory's are at the user.

    


    sudo ./ffmpeg-git-20210501-amd64-static/ffmpeg -re -i https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd testErsterKanal.mp4
ffmpeg version N-57204-gc7c138e411-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
  libavutil      57.  0.100 / 57.  0.100
  libavcodec     59.  0.100 / 59.  0.100
  libavformat    59.  0.100 / 59.  0.100
  libavdevice    59.  0.100 / 59.  0.100
  libavfilter     8.  0.101 /  8.  0.101
  libswscale      6.  0.100 /  6.  0.100
  libswresample   4.  0.100 /  4.  0.100
  libpostproc    56.  0.100 / 56.  0.100


    


    With the standard Debian distribution version from /usr/bin/ffmpeg is still not working, too with su-privileges.

    


    I want to use it for tvheadend/TVH and can not work with su-privileges.

    


    I tried to at Ubuntu

    


    nc -z -v -u 81.211.33.67 443
Connection to 81.211.33.67 443 port [udp/*] succeeded!


    


    at Debian

    


    nc -z -v -u 81.211.33.67 443
81.211.33.67: inverse host lookup failed: Unknown host
(UNKNOWN) [81.211.33.67] 443 (?) open


    


    and with sudo the same.

    


  • ffmpeg - Error [tcp @ 0x5a25700] Port missing in uri

    9 mai 2021, par ger

    For further development I tried to download a livestream under Ubuntu 20.04

    


    uname -a
Linux 5.9.16-050916-generic #202012211331 SMP Mon Dec 21 14:11:13 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux`

ffmpeg -v debug -i 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
ffmpeg version 4.2.4-1ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 9 (Ubuntu 9.3.0-10ubuntu2)
  configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
  WARNING: library configuration mismatch
  avcodec     configuration: --prefix=/usr --extra-version=1ubuntu0.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-nvenc --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared --enable-version3 --disable-doc --disable-programs --enable-libaribb24 --enable-liblensfun --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libtesseract --enable-libvo_amrwbenc
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavdevice    58.  8.100 / 58.  8.100
  libavfilter     7. 57.100 /  7. 57.100
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
  libpostproc    55.  5.100 / 55.  5.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-timeout' ... matched as AVOption 'timeout' with argument '5000'.
Reading option '-i' ... matched as input url with argument 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd'.
Reading option 'testErsterKanal.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd.
Successfully parsed a group of options.
Opening an input file: https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd.
[NULL @ 0x55f8e8ee6740] Opening 'https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd' for reading
[https @ 0x55f8e8ee7100] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0x55f8e8ee9580] Original list of addresses:
[tcp @ 0x55f8e8ee9580] Address 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Interleaved list of addresses:
[tcp @ 0x55f8e8ee9580] Address 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Starting connection attempt to 81.211.33.67 port 443
[tcp @ 0x55f8e8ee9580] Successfully connected to 81.211.33.67 port 443
[https @ 0x55f8e8ee7100] request: GET /dash-live11/streams/1tv/1tvdash.mpd HTTP/1.1


    


    worked well

    


    Under Debian 10

    


    Linux 4.19.0-16-amd64 #1 SMP Debian 4.19.181-1 (2021-03-19) x86_64 GNU/Linux


    


    it is not working

    


        ffmpeg -v debug -i 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
ffmpeg version 4.1.6 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --disable-decoder=amrnb --disable-decoder=libopenjpeg --disable-libopencv --disable-outdev=sdl2 --disable-podpages --disable-sndio --disable-stripping --enable-libaom --enable-avfilter --enable-avresample --enable-gcrypt --disable-gnutls --enable-openssl --enable-gpl --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libilbc --enable-libkvazaar --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx265 --enable-libzimg --enable-libxvid --enable-libzvbi --enable-nonfree --enable-opencl --enable-opengl --enable-postproc --enable-pthreads --enable-shared --enable-version3 --enable-libwebp --incdir=/usr/include/x86_64-linux-gnu --libdir=/usr/lib/x86_64-linux-gnu --prefix=/usr --toolchain=hardened --enable-frei0r --enable-chromaprint --enable-libx264 --enable-libiec61883 --enable-libdc1394 --enable-vaapi --enable-libmfx --enable-libvmaf --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
  libavutil      56. 22.100 / 56. 22.100
  libavcodec     58. 35.100 / 58. 35.100
  libavformat    58. 20.100 / 58. 20.100
  libavdevice    58.  5.100 / 58.  5.100
  libavfilter     7. 40.101 /  7. 40.101
  libavresample   4.  0.  0 /  4.  0.  0
  libswscale      5.  3.100 /  5.  3.100
  libswresample   3.  3.100 /  3.  3.100
  libpostproc    55.  3.100 / 55.  3.100
Splitting the commandline.
Reading option '-v' ... matched as option 'v' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input url with argument 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd'.
Reading option 'testErsterKanal.mp4' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option v (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input url https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd.
Successfully parsed a group of options.
Opening an input file: https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd.
[NULL @ 0x55ce69421280] Opening 'https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd' for reading
[https @ 0x55ce69421e40] Setting default whitelist 'http,https,tls,rtp,tcp,udp,crypto,httpproxy'
[tcp @ 0x55ce69425e00] Port missing in uri
https://81.211.33.67/dash-live11/streams/1tv/1tvdash.mpd: Invalid argument


    


    I tried with ports 80 and 443, IP and an actual ffmpeg-Version in all combinations

    


        nmap edge2.1internet.tv
Starting Nmap 7.70 ( https://nmap.org ) at 2021-05-06 21:46 CEST
Nmap scan report for edge2.1internet.tv (81.211.33.67)
Host is up (0.078s latency).
Not shown: 998 filtered ports
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

ffmpeg -v debug -i 'https://81.211.33.67:443/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
    ffmpeg -v debug -i 'https://81.211.33.67:80/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4
    ./ffmpeg-git-20210501-amd64-static/ffmpeg -v debug -i 'https://81.211.33.67:443/dash-live11/streams/1tv/1tvdash.mpd' testErsterKanal.mp4


    


    What is the error : [tcp @ 0x55ce69425e00] Port missing in uri and where it comes from ?
May be an global configuration error and not ffmpeg ?
Thanks

    


    EDIT

    


    I found out, that it is working only with sudo and the actual ffmpeg version (static build) from the home directory of the user, which is owend by the user.
All privileges of the directory's are at the user.

    


    sudo ./ffmpeg-git-20210501-amd64-static/ffmpeg -re -i https://edge2.1internet.tv/dash-live11/streams/1tv/1tvdash.mpd testErsterKanal.mp4
ffmpeg version N-57204-gc7c138e411-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 8 (Debian 8.3.0-6)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
  libavutil      57.  0.100 / 57.  0.100
  libavcodec     59.  0.100 / 59.  0.100
  libavformat    59.  0.100 / 59.  0.100
  libavdevice    59.  0.100 / 59.  0.100
  libavfilter     8.  0.101 /  8.  0.101
  libswscale      6.  0.100 /  6.  0.100
  libswresample   4.  0.100 /  4.  0.100
  libpostproc    56.  0.100 / 56.  0.100


    


    With the standard Debian distribution version from /usr/bin/ffmpeg is still not working, too with su-privileges.

    


    I want to use it for tvheadend/TVH and can not work with su-privileges.

    


    I tried to at Ubuntu

    


    nc -z -v -u 81.211.33.67 443
Connection to 81.211.33.67 443 port [udp/*] succeeded!


    


    at Debian

    


    nc -z -v -u 81.211.33.67 443
81.211.33.67: inverse host lookup failed: Unknown host
(UNKNOWN) [81.211.33.67] 443 (?) open


    


    and with sudo the same.

    


  • Get RGB values from AVPicture and change to grey-scale in FFMPEG

    22 octobre 2014, par user2742299

    The main motive of my code is to change the RGB values from the AVPicture in FFMPEG.

    I have been able to get the image data "data[0]" by following the article : http://blog.tomaka17.com/2012/03/libavcodeclibavformat-tutorial/

    I would like to know that how can I access the 3 bytes of pic.data[0] which is in RGB format. I have been trying to access the pic.data[i][j] via for-loop in 2D matrix fashion but jth element>3.

    Any guidance in this regard will be helpful.

    Code is here :

    AVPicture pic;
    
        avpicture_alloc(&pic, PIX_FMT_RGB24, mpAVFrameInput->width,mpAVFrameInput->height);
    
        auto ctxt = sws_getContext(mpAVFrameInput->width,mpAVFrameInput->height,static_cast<pixelformat>(mpAVFrameInput->format),
    
            mpAVFrameInput->width, mpAVFrameInput->height, PIX_FMT_RGB24, SWS_BILINEAR, nullptr, nullptr, nullptr);
    

    
        if (ctxt == nullptr)
    
            throw std::runtime_error("Error while calling sws_getContext");
    
        sws_scale(ctxt, mpAVFrameInput->data, mpAVFrameInput->linesize, 0, mpAVFrameInput->height, pic.data,
    
            pic.linesize);
    

    

    
    for (int i = 0; i &lt; (mpAVFrameInput->height-1); i++) {
    

    
        for (int j = 0;  j &lt; (mpAVFrameInput->width-1); j++) {
    
        printf("\n value: %d",pic.data[0][j]);
    

    
        }
    

    
    }
    
</pixelformat>

    Pseudo code which is in my mind is :

    For each pixel in image {
    
Red = pic.data[i][j].pixel.RED;
    
Green = pic.data[i][j].pixel.GREEN;
    
Blue = pic.data[i][j].pixel.BLUE;
    
GRAY = (Red+Green+Blue)/3;
    
Red = GRAY;
    
Green = GRAY;
    
Blue = GRAY;
    
Save Frame;}

    I am quite new to FFMPEG therefore any guidance and help will be highly appreciable.

    Many Thanks

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