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• Multiple video sources combined into one

  28 septembre 2011, par Oded

  I am looking for an efficient way to do the following :

  Using several source videos (of approximately the same length), I need to generate an output video that is composed of all of the original sources each running in its own area (like a bunch of PIPs in several different sizes). So, the end result is that all the original are running side-by-side, each in its own area/box.

  The source and output need to be flv and the platform I am using is Windows (dev on Windows 7 64bit, deployment to Windows server 2008).

  I have looked at avisynth but unfortunately it can't handle flv and non of the plugins and flv splitters I have tried worked.

  My current process uses ffmpeg in the following manner :

  1. Use ffmpeg to generate 25 png's per second per video, resizing the original as needed.
  2. Use the System.Drawing namespace to combine each set of frames into a new image, starting with a static background, then loading each frame into an Image and drawing to the background Graphics object - this gives me the combined frames.
  3. Use ffmpeg to combine the generated images to a video.

  All this is very IO intensive (which is my processing bottleneck at the moment) and I feel there must be a more efficient way to reach my goal. I do not have much experience with video processing, and don't know what options are out there.

  Can anyone suggest a more efficient way of processing these ?

• AForge.Video.FFMPEG used in C#

  17 janvier 2017, par cuong nguyen

  I use Visual C# 2008 and want to write AVI file from bmp sequences.

  I found AForge.Video.VWF but it’s just for "vmw3" or "DIB " codecs and I want to use AForge.Video.FFMPEG but it got error.

  For example I just code :

  using System;
  
  using System.Collections.Generic;
  
  
  
  using System.Linq;
  
  using System.Text;
  
  using AForge.Video.FFMPEG;
  
  
  
  namespace ConsoleApplication4
  
  {
  
      class Program
  
      {
  
          static void Main(string[] args)
  
          {
  
              VideoFileWriter vfw = new VideoFileWriter();
  
          }
  
      }
  
  }

  But I got this filenotfoundexception

  {"The specified module could not be found. (Exception from HRESULT: 0x8007007E)":null}

• Revision ffff213463 : removed obselete build dependency this commit fixes the build on windows with v

  17 octobre 2012, par Jim Bankoski

  Changed Paths : Modify /vp8/vp8_common.mk removed obselete build dependency this commit fixes the build on windows with visual studio 2008. Change-Id : I0baa4044e9e54237da29f2e17332ea6f766dbbec