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• Can I use AForge in Unity3D ?

  19 décembre 2013, par user2967920

  I am Using Unity Pro,

  i want to Decode and play H264 Encoded Content in Unity3D. As unity dosn't have native support for the h264 codec so i got AForge.NET.

  In visual Studio 2010 i created an application which would do the decoding and give the output as a bitmap to a rectangle which was drwn using SDL, so i know the .net AFOrge works well.

  Now the Problem is when i import the AForge.dll, AForge.Video and the AForge.Video.FFMPEG in Unity i git this Error.

  "MissingMethodException : Method contains unsupported native code

   <module>.<crtimplementationdetails>.LanguageSupport._Initialize (<crtimplementationdetails>.LanguageSupport* )
  
      <module>.<crtimplementationdetails>.LanguageSupport.Initialize (<crtimplementationdetails>.LanguageSupport* )
  
      Rethrow as ModuleLoadException: The C++ module failed to load.
  
      <module>.<crtimplementationdetails>.ThrowModuleLoadException (System.String errorMessage, System.Exception innerException)
  
      <module>.<crtimplementationdetails>.LanguageSupport.Initialize (<crtimplementationdetails>.LanguageSupport* )
  
      <module>..cctor ()
  
      Rethrow as TypeInitializationException: An exception was thrown by the type initializer for <module>
  
      NewScript..ctor ()"
  
  </module></module></crtimplementationdetails></crtimplementationdetails></module></crtimplementationdetails></module></crtimplementationdetails></crtimplementationdetails></module></crtimplementationdetails></crtimplementationdetails></module>

  Aforge (Core), Aforge.Video and Aforge.Video.FFMPEG are compiled using Target Framework (3.5).

  The AForge.Video.FFMPEG has a Reference to kernel32.dll, MSVCR100.dll which is not exactly showing in monoDevelop. the rest are expanding and i can browse their contents in the Assembly Browser.

  Is there any way to get AForge working in monodevelop ? the ffmpeg wrapper is written in C++. I mean make it not use those references ?

  If Anyone has worked on such a thing before, it would be of great help thanks.

• ffmpeg - How do I compress a .mov file with partial transparency, while keeping the partial transparency ?

  4 juin 2020, par Nick

  The codec I use is QuickTime Animation. I tried the following :

  



  ffmpeg -i Animation.mov -c:v libvpx-vp9 out.webm

  



  That compressed my 420MB source file to a nice 1.5MB but my partial transparency was lost. The Animation is a minute long, while only 12 seconds are actually animated, the rest is a still image. Anyone got some Ideas ? I'm looking for a target size of roughly 10MB.

  



  Edit : output format is irrelevant to me.

  



  Edit 2 : The method I used actually does support partial transparency. VLC is just unable to display it correctly.

  


• FFMPEG : Can i set an audio to be played at night only ?

  18 mai 2020, par F O X

  This is my working command :

  



  ffmpeg -rtsp_transport tcp -i rtsp://stream1video -i rtsp://stream2audio -re -stream_loop -1 -i 1.aac -re -stream_loop -1 -i 2.aac -filter_complex "[1:a][2:a][3:a]amix=inputs=3[a]" -map 0:v -map "[a]" -c:a aac -f flv rtmp://a.rtmp.youtube.com/

  



  Now, can i somehow set playing the audio streams only at the night ? e.g. between 22:00-06:00 each day ? And the rest of the day would be just the silence :)

  



  edit : i'm using linux.