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Sur d’autres sites (11946)

  • Error : "No such option : -l" when running yt-dlp

    12 juin 2022, par garson

    I have adapted code from this Stack Overflow answer to try to download a video and use ffmpeg to alter it

    


    yt-dlp    "https://www.youtube.com/watch?v=PtkqwslbLY8" -o  ffmpeg -i in.mp4 -vcodec libx264 -crf 23 -preset fast -profile:v baseline \
-level 3 -refs 6 -vf "scale=640:-1,pad=iw:480:0:(oh-ih)/2,format=yuv420p" \
-acodec copy output.mp4


    


    However, when I run this I'm getting the error :

    


    yt-dlp: error: no such option: -l


    


    Any ideas of how to fix this ?

    


  • Why do I get "method DESCRIBE failed : 401 Unauthorized "

    28 juillet 2021, par TheOliveTurtle

    Let me explain my problem, I am trying to access different channels in a DVR system.
I have successfully gotten access to a single camera (channel 1) by using opencv as such :

    


    public_link = 'rtsp://test:test@192.168.1.48/cam/realmonitor'

cap = cv2.VideoCapture(public_link, cv2.CAP_FFMPEG)


    


    The problem is I can't access the other channels with these parameters :

    


    public_link = 'rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0'

cap = cv2.VideoCapture(public_link, cv2.CAP_FFMPEG)


    


    I've tried the following links :

    


      

    • rtsp ://test:test@192.168.1.48/cam/realmonitor ?channel=3&subtype=0

      • 


    • rtsp ://test:test@192.168.1.48/cam/realmonitor ?channel=3&subtype=1

      • 


    • rtsp ://192.168.1.48/cam/realmonitor ?channel=3&subtype=0&authbasic=dGVzdDp0ZXN0

      • 


    


    I get this following error :

    


    


    [rtsp @ 00000201ce582cc0] method DESCRIBE failed : 401 Unauthorized

    


    


    I've noticed that even if I test with this URL (rtsp ://test:test@192.168.1.48/blablabla) it works just fine ! (ONLY Channel #1) but when I insert the symbol '=' into the URL string, I get the above error.

    


    It's really frustrating, Any sort of help would be much appreciated.

    


    PS : the user 'test' has admin privileges in the system.

    


    I've tried to run the test with plain ffmpeg command like such :
ffmpeg -loglevel debug -i "rtsp://test:test@192.168.1.48/cam/monitor?channel=3&subtype=0" ./folder/output.m3u8

    


    I get the following error :

    


    PS C:\Users\cjhou> ffmpeg -loglevel debug -i "rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0" .\folder\output.m3u8 
ffmpeg version 4.4-full_build-www.gyan.dev Copyright (c) 2000-2021 the FFmpeg developers
built with gcc 10.2.0 (Rev6, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
libavutil      56. 70.100 / 56. 70.100
libavcodec     58.134.100 / 58.134.100
libavformat    58. 76.100 / 58. 76.100
libavdevice    58. 13.100 / 58. 13.100
libavfilter     7.110.100 /  7.110.100
libswscale      5.  9.100 /  5.  9.100
libswresample   3.  9.100 /  3.  9.100
libpostproc    55.  9.100 / 55.  9.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input url with argument 'rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0'.
Reading option '.\folder\output.m3u8' ... matched as output url. 
Finished splitting the commandline. 
Parsing a group of options: global. 
Applying option loglevel (set logging level) with argument debug. 
Successfully parsed a group of options. 
Parsing a group of options: input url rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0.
Successfully parsed a group of options.
Opening an input file: rtsp://houssem:152400@192.168.1.48/cam/realmonitor?channel=3&subtype=0.
[tcp @ 000001882b592240] No default whitelist set 
[tcp @ 000001882b592240] Original list of addresses: 
[tcp @ 000001882b592240] Address 192.168.1.48 port 554 
[tcp @ 000001882b592240] Interleaved list of addresses: 
[tcp @ 000001882b592240] Address 192.168.1.48 port 554 [tcp @ 000001882b592240] Starting connection attempt to 192.168.1.48 port 554  
[tcp @ 000001882b592240] Successfully connected to 192.168.1.48 port 554 
[rtsp @ 000001882b58f080] method DESCRIBE failed: 401 Unauthorized 
[rtsp @ 000001882b58f080] Cseq: 3  Server: Rtsp Server 960*576*30*4096

WWW-Authenticate: Digest realm="Surveillance Server", nonce="44976150"

rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0: Server returned 401 Unauthorized (authorization failed)


    


    With this command ffplay "rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0", I get this output :

    


    PS C:\Users\cjhou> ffplay "rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0"
ffplay version 4.4-full_build-www.gyan.dev Copyright (c) 2003-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev6, Built by MSYS2 project)
  configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-lzma --enable-libsnappy --enable-zlib --enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-libbluray --enable-libcaca --enable-sdl2 --enable-libdav1d --enable-libzvbi --enable-librav1e --enable-libsvtav1 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-libass --enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-libglslang --enable-vulkan --enable-opencl --enable-libcdio --enable-libgme --enable-libmodplug --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine --enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libilbc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa --enable-librubberband --enable-libsoxr --enable-chromaprint
  libavutil      56. 70.100 / 56. 70.100
  libavcodec     58.134.100 / 58.134.100
  libavformat    58. 76.100 / 58. 76.100
  libavdevice    58. 13.100 / 58. 13.100
  libavfilter     7.110.100 /  7.110.100
  libswscale      5.  9.100 /  5.  9.100
  libswresample   3.  9.100 /  3.  9.100
  libpostproc    55.  9.100 / 55.  9.100
[rtsp @ 000001d413d2f640] method DESCRIBE failed: 401 Unauthorized
rtsp://test:test@192.168.1.48/cam/realmonitor?channel=3&subtype=0: Server returned 401 Unauthorized (authorization failed)
    nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0


    


    By the way, I am using this device :

    


      

    • Device Name : Digital Video Record

      • 


    • Model Number : 16-CHANNEL

      • 


    • Software Version : XVR_HI3521A_16_v6.1.52.1

      • 


    • Date : Dec 19 2016 14:36:39

      • 


    


    Hope this helps !

    


  • FFMPEG Debug "Invalid data found when processing input"

    29 septembre 2020, par dgcipp

    How can I debug this error ? I am trying to display a vp8-encoded video stream (TCP) from Android (x86) to my PC but I got this message from ffplay : "tcp ://10.8.0.3:49152 ? listen : Invalid data found when processing input"

    


    With h264 it works and the same code in an android device works with vp8 too.

    


    Command in the server :

    


    ffplay -i tcp://10.8.0.3:49152?listen


    


    I have tried adding verbosity or log-level debug, but it shows the same. How can I get a detailed error ?

    


    enter image description here

    


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