It is a Windows Media Player SDK that support change playback rate, draw overlay image, swf file and text with C# , VB.NET , C++, VB, Delphi, Vfp, Ms Access.
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Platform : Windows 10, Windows 8, Vista, Windows 7, XP
For Windows Developers who need to add video editing features, slideshow effect, video mixing, audio mixing and add subtitle on video, create subtitle file in C#, Vb.Net , VB6, Delphi, Vfp, Adobe Director, ASP, ASP.net, php, C++ .
Step 1: To install the Video Edit Gold ActiveX Control, begin by launching the setup file (videoeditgoldsetup.exe). Select the desired installation folder for the Video Edit Gold ActiveX and continue with the installation on your development computer.Step 2: Create New Visual C# Project, select Windows Application.
Step 3: The next step is to install Video Edit Gold ActiveX in ToolBox. Select Toolbox, select Components item, right click mouse button, select Choose Items...
Step 4: Select COM Components tab, select Video Edit Gold ActiveX Control , click OK.
Step 5: Now you will see the Video Edit Gold ActiveX's icon on toolbox, drag it to form.
Step 6: Design the UI same as following
Step 7: When pressing the "Convert to M4a” button our sample’s code will call InfoLoadMedia method , then call InfoDuration property to get the duration of media file. call InitControl method to Initialize the Video Edit Gold control , then call AddAudio method to add audio track to timeline.call SaveM4a method to export the m4a file with custom define bitrate, bandwidth and quality. Step 8: If you run this project now, you will see black color rectangle. In this sample, you do not need display the video. You may set the Size properties of Video Edit Gold ActiveX to 1,1, then the user will not see it.
Step 9: Download the sample source code from c#_save_m4a.zip
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