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• Merge commit ’a246af86e47044dec243db2f708cc125d608ea78’

  9 janvier 2014, par Michael Niedermayer

  Merge commit ’a246af86e47044dec243db2f708cc125d608ea78’
  * commit ’a246af86e47044dec243db2f708cc125d608ea78’ :
  
    FATE : add MSS2 tests
  Merged-by : Michael Niedermayer <michaelni@gmx.at>
  

  • [DH] tests/fate/microsoft.mak
  • [DH] tests/ref/fate/mss2-pal
  • [DH] tests/ref/fate/mss2-pals
  • [DH] tests/ref/fate/mss2-rgb555
  • [DH] tests/ref/fate/mss2-rgb555s
  • [DH] tests/ref/fate/mss2-wmv

• Kernel32 not found when using FFmpeg.Autogen 4.1.0.2 in Mono/Linux

  5 décembre 2024, par Robert Russell

  I'm submitting a bug report while I was posting this I didn't know I could see into FFmpeg.Autogen from the stacktrace. Anyways I posted a Bug Report on Github

  



  https://github.com/Ruslan-B/FFmpeg.AutoGen/issues/109

  



  I'm trying to run my code in Linux that uses FFmpeg.Autogen to interface with the ffmpeg libraries. I am getting kernel32 dll not found can not figure out why. He says to not post issues to github for troubleshooting.
Possible related issue : https://github.com/Ruslan-B/FFmpeg.AutoGen/issues/89

  



  First thing I've tried were to include the binary helper class from the example code I tweaked it a little bit. Added the exact path to the linux files.
Second thing I did was add FFmpeg.AutoGen.dll.config if configured right and it tries to ref a windows DLL it should point to the linux one.
Stacktrace :

  



  System.DllNotFoundException: kernel32
  at at (wrapper managed-to-native) FFmpeg.AutoGen.Native.WindowsNativeMethods.GetProcAddress(intptr,string)
  at FFmpeg.AutoGen.Native.FunctionLoader.GetFunctionPointer (System.IntPtr nativeLibraryHandle, System.String functionName) [0x00000] in D:\FFmpeg.AutoGen\FFmpeg.AutoGen\Native\FunctionLoader.cs:55
  at FFmpeg.AutoGen.Native.FunctionLoader.GetFunctionDelegate[T] (System.IntPtr nativeLibraryHandle, System.String functionName, System.Boolean throwOnError) [0x00000] in D:\FFmpeg.AutoGen\FFmpeg.AutoGen\Native\FunctionLoader.cs:28
  at FFmpeg.AutoGen.ffmpeg.GetFunctionDelegate[T] (System.IntPtr libraryHandle, System.String functionName) [0x00000] in D:\FFmpeg.AutoGen\FFmpeg.AutoGen\FFmpeg.cs:50
  at FFmpeg.AutoGen.ffmpeg+<>c.<.cctor>b__4_318 () [0x00000] in D:\FFmpeg.AutoGen\FFmpeg.AutoGen\FFmpeg.functions.export.g.cs:7163
  at FFmpeg.AutoGen.ffmpeg.avformat_alloc_context () [0x00000] in D:\FFmpeg.AutoGen\FFmpeg.AutoGen\FFmpeg.functions.export.g.cs:7176
  at FF8.FfccVaribleGroup..ctor () [0x0009c] in /home/robert/OpenVIII/FF8/FfccVaribleGroup.cs:53
  at FF8.Ffcc..ctor (System.String filename, FFmpeg.AutoGen.AVMediaType mediatype, FF8.Ffcc+FfccMode mode) [0x00008] in /home/robert/OpenVIII/FF8/Ffcc.cs:31
  at FF8.Module_movie_test.InitMovie () [0x00001] in /home/robert/OpenVIII/FF8/module_movie_test.cs:160
  at FF8.Module_movie_test.Update () [0x000c5] in /home/robert/OpenVIII/FF8/module_movie_test.cs:88
  at FF8.ModuleHandler.Update (Microsoft.Xna.Framework.GameTime gameTime) [0x000ac] in /home/robert/OpenVIII/FF8/ModuleHandler.cs:43
  at FF8.Game1.Update (Microsoft.Xna.Framework.GameTime gameTime) [0x00030] in /home/robert/OpenVIII/FF8/Game1.cs:69
  at Microsoft.Xna.Framework.Game.DoUpdate (Microsoft.Xna.Framework.GameTime gameTime) [0x00019] in <4fc8466c27384bb19c7b81b2a6a71083>:0
  at Microsoft.Xna.Framework.Game.Tick () [0x00103] in <4fc8466c27384bb19c7b81b2a6a71083>:0
  at Microsoft.Xna.Framework.SdlGamePlatform.RunLoop () [0x00021] in <4fc8466c27384bb19c7b81b2a6a71083>:0
  at Microsoft.Xna.Framework.Game.Run (Microsoft.Xna.Framework.GameRunBehavior runBehavior) [0x0008b] in <4fc8466c27384bb19c7b81b2a6a71083>:0
  at Microsoft.Xna.Framework.Game.Run () [0x0000c] in <4fc8466c27384bb19c7b81b2a6a71083>:0
  at FF8.Program.Main () [0x00007] in /home/robert/OpenVIII/FF8/Program.cs:17


  



  My code that triggers this :

  



  Format = ffmpeg.avformat_alloc_context();


  



  Binaryhelper should set the path correctly for the file

  



  internal static void RegisterFFmpegBinaries()
        {
            var libraryPath = "";
            switch (Environment.OSVersion.Platform)
            {
                case PlatformID.Win32NT:
                case PlatformID.Win32S:
                case PlatformID.Win32Windows:
                    var current = Environment.CurrentDirectory;
                    var probe = Path.Combine(Environment.Is64BitProcess ? "x64" : "x86");
                    while (current != null)
                    {
                        var ffmpegDirectory = Path.Combine(current, probe);
                        if (Directory.Exists(ffmpegDirectory))
                        {
                            Console.WriteLine($"FFmpeg binaries found in: {ffmpegDirectory}");
                            RegisterLibrariesSearchPath(ffmpegDirectory);
                            return;
                        }
                        current = Directory.GetParent(current)?.FullName;
                    }
                    break;
                case PlatformID.Unix:
                    libraryPath = "/usr/lib/x86_64-linux-gnu";
                    RegisterLibrariesSearchPath(libraryPath);
                    break;
                case PlatformID.MacOSX:
                    libraryPath = Environment.GetEnvironmentVariable(LD_LIBRARY_PATH);
                    RegisterLibrariesSearchPath(libraryPath);
                    break;
            }
        }


  



  The FFmpeg.Autogen.dll.config

  



  <configuration>&#xA;  <dllmap os="linux" dll="avutil-56.dll" target="/usr/lib/x86_64-linux-gnu/libavutil.so.56"></dllmap>&#xA;  <dllmap os="linux" dll="avcodec-58.dll" target="/usr/lib/x86_64-linux-gnu/libavcodec.so.58"></dllmap>&#xA;  <dllmap os="linux" dll="avformat-58.dll" target="/usr/lib/x86_64-linux-gnu/libavformat.so.58"></dllmap>&#xA;  <dllmap os="linux" dll="avdevice-58.dll" target="/usr/lib/x86_64-linux-gnu/libavdevice.so.58"></dllmap>&#xA;  <dllmap os="linux" dll="avfilter-7.dll" target="/usr/lib/x86_64-linux-gnu/libavfilter.so.7"></dllmap>&#xA;  <dllmap os="linux" dll="avresample-4.dll" target="/usr/lib/x86_64-linux-gnu/libavresample.so.4"></dllmap>&#xA;  <dllmap os="linux" dll="swscale-5.dll" target="/usr/lib/x86_64-linux-gnu/libswscale.so.5"></dllmap>&#xA;  <dllmap os="linux" dll="swresample-3.dll" target="/usr/lib/x86_64-linux-gnu/libswresample.so.3"></dllmap>&#xA;  <dllmap os="linux" dll="postproc-55.dll" target="/usr/lib/x86_64-linux-gnu/libpostproc.so.55"></dllmap>&#xA;</configuration>&#xA;

  


• capture DV video and audio with ffmpeg and dshow

  18 novembre 2016, par andrixnet

  Trying to capture video and audio from a DV camera, using ffmpeg, I got into a problem.
  Before anything, I first tried to see (and hear) with ffplay.

  ffmpeg version :

  ffplay version 3.0 Copyright (c) 2003-2016 the FFmpeg developers
  
    built with gcc 5.3.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
  
    libavutil      55. 17.103 / 55. 17.103
  
    libavcodec     57. 24.102 / 57. 24.102
  
    libavformat    57. 25.100 / 57. 25.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 31.100 /  6. 31.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100

  Getting list of DirectShow devices :
  ffplay -hide_banner -f dshow -list_devices true -i dummy

  [dshow @ 035c4240] DirectShow video devices (some may be both video and audio devices)
  
  [dshow @ 035c4240]  "Microsoft DV Camera and VCR" sq=    0B f=0/0
  
  [dshow @ 035c4240]     Alternative name "@device_pnp_\\?\avc#canon&mvx3i&camcorder&dv#5126800000850000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
  
  [dshow @ 035c4240] DirectShow audio devices
  
  [dshow @ 035c4240]  "1-ESI MAYA44 Ch12"
  
  [dshow @ 035c4240]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\1-ESI MAYA44 Ch12"
  
  [dshow @ 035c4240]  "2-ESI MAYA44 Ch34"
  
  [dshow @ 035c4240]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\2-ESI MAYA44 Ch34"
  
  [dshow @ 035c4240]  "3-ESI MAYA44 Ch1234"
  
  [dshow @ 035c4240]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\3-ESI MAYA44 Ch1234"
  
  [dshow @ 035c4240]  "Realtek HD Audio Input"
  
  [dshow @ 035c4240]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Realtek HD Audio Input"
  
  [dshow @ 035c4240]  "Realtek HD Digital input"
  
  [dshow @ 035c4240]     Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\Realtek HD Digital input"
  
  dummy: Immediate exit requested

  I can use VLC with "Capture device" as input, selecting "Microsoft DV Camera and VCR" as video device and leaving "Default" as audio device and I get both video and audio.

  With ffmpeg I get only video stream, no audio.

  C:\>ffplay -hide_banner -f dshow -i video="Microsoft DV Camera and VCR"
  
  Input #0, dshow, from 'video=Microsoft DV Camera and VCR':B f=0/0
  
    Duration: N/A, start: 0.010035, bitrate: N/A
  
      Stream #0:0: Video: dvvideo (dvsd / 0x64737664), yuv420p, 720x576 [SAR 16:15
  
   DAR 4:3], 25 tbr, 10000k tbn, 25 tbc
  
     0.48 M-V:  0.013 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0

  I don’t know how to tell ffmpeg the equivalent of "Default" audio device as VLC recognizes it.

  Device options show there are 2 pins for video device (DV device has both video and audio) but how can I tell ffmpeg such that it captures both video and audio ?

  C:\>ffplay -hide_banner -f dshow -list_options true -i video="Microsoft DV Camera and VCR"
  
  [dshow @ 035c3260] DirectShow video device options (from video devices)
  
  [dshow @ 035c3260]  Pin "DV Vid Out" (alternative pin name "0")
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x480 fps=29.97 max s=720x480 fps=2
  
  9.97
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x576 fps=25 max s=720x576 fps=25
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x480 fps=29.97 max s=720x480 fps=2
  
  9.97
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x576 fps=25 max s=720x576 fps=25
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x480 fps=29.97 max s=720x480 fps=2
  
  9.97
  
  [dshow @ 035c3260]   vcodec=dvvideo  min s=720x576 fps=25 max s=720x576 fps=25
  
  [dshow @ 035c3260]  Pin "DV A/V Out" (alternative pin name "1")
  
  video=Microsoft DV Camera and VCR: Immediate exit requested f=0/0

  Thank you.