ByteScout tutorials explain the material for programmers who use VB.NET. ByteScout SWF To Video SDK was made to help with FLV to AVI in VB.NET. ByteScout SWF To Video SDK is the library that can take SWF (Flash Macromedia) files and convert into WMV or AVI video with sound. Dynamic flash movie scenes, variables, actionscripts are supported and you also may adjust output video size, framerate and quality.
This rich sample source code in VB.NET for ByteScout SWF To Video SDK includes the number of functions and options you should do calling the API to implement FLV to AVI. VB.NET sample code is all you need: copy and paste the code to your VB.NET application’s code editor, add a reference to ByteScout SWF To Video SDK (if you haven’t added yet) and you are ready to go! Enhanced documentation and tutorials are available along with installed ByteScout SWF To Video SDK if you’d like to dive deeper into the topic and the details of the API.
Free trial version of ByteScout SWF To Video SDK is available on our website. Get it to try other samples for VB.NET.
' x64 IMPORTANT NOTE: set CPU to x86 to build in x86 mode. WHY? Because flash is not supported on x64 platform currently at all Imports System.Diagnostics Imports BytescoutSWFToVideo Class Program Friend Shared Sub Main(args As String()) ' Create an instance of SWFToVideo ActiveX object Dim converter As New SWFToVideo() ' Set debug log 'converter.SetLogFile("log.txt"); ' Register SWFToVideo converter.RegistrationName = "demo" converter.RegistrationKey = "demo" ' Set the converter to the live data conversion mode ' (it will fully load the embedded video stream before the conversion) converter.SWFConversionMode = SWFConversionModeType.SWFWithLiveData ' Set input SWF file converter.InputSWFFileName = "..\..\..\..\video.flv" ' Set output AVI or WMV video file converter.OutputVideoFileName = "result.avi" ' Don't let it run infinitely converter.ConversionTimeOut = 3000 ' 3000ms = 3 seconds ' you may calculate output video duration using information about the the source swf movie ' WARNING #1: this method to calculate the output video duration is not working for movies with dynamic scenes ' and interactive scripts as in these movies it is not possible to calculate the precise duration of the movie ' WARNING #2: you should set the input swf or flv filename (or url) before this calculation ' So the movie duration is calculated as the following: ' as swf frame count (number of frames in the swf) / movieFPS (frames per second defined in swf) ' and then multiplied by 1000 (as we are setting the .ConverstionTimeout in milliseconds) ' as the following (uncomment if you want to set the length of the output video to the same as the original swf) ' or as the following source code (uncomment to enable): ' converter.ConversionTimeout = 1000 * (converter.FrameCount / converter.MovieFPS) ' set FPS converter.FPS = 29.97F ' Set output movie dimensions converter.OutputWidth = 320 converter.OutputHeight = 240 ' Run conversion converter.RunAndWait() ' Open the result in default media player Process.Start("result.avi") End Sub End Class