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Reset Method

Summary

Resets the target format.

Syntax

C++/CLI

public void Reset()

public: 
void Reset();

Remarks

This method will reset the target format properties to their default values. Users typically call this method to remove any values set on the video or audio attributes, also it will reset the container type. If the method fails, an error is raised. For more information, refer to the Error Codes.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
public ConvertCtrl _convertctrl; 
 
public void VideoFormatsExample() 
{ 
   // reference the convert control 
   _convertctrl = _form.ConvertCtrl; 
 
   // input and output files 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_VideoFormatsExample.MP4"); 
 
   try 
   { 
      // set the source for conversion 
      _convertctrl.SourceFile = inFile; 
 
      // get the MP4 target format 
      TargetFormat tf = _convertctrl.TargetFormats[TargetFormatType.MP4]; 
 
      // reset the MP4 target format 
      tf.Reset(); 
 
      // select the MP4 target format 
      tf.Selected = true; 
 
      // select H264 video format 
      int index = -1; 
      TargetVideoFormats targetvideoformats = tf.VideoFormats; 
      index = targetvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264 
      targetvideoformats.Selection = index; 
 
      // select AAC audio format 
      TargetAudioFormats targetaudioformats = tf.AudioFormats; 
      index = targetaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}");// AAC 
      targetaudioformats.Selection = index; 
 
      // set audio properties 
      tf.AudioAvgBytesPerSecond = 24000; 
      tf.AudioBitsPerSample = 16; 
      tf.AudioNumChannels = 2; 
      tf.AudioSamplesPerSecond = 44100; 
 
      // set video properties 
      tf.VideoEncodeQuality = 85; 
      tf.VideoFrameHeight = 240; 
      tf.VideoFrameRate = 29.26; 
      tf.VideoFrameWidth = 320; 
      tf.VideoBitrate = 700000; 
 
      // set the target output file and format 
      _convertctrl.TargetFile = outFile; 
 
      // set our progress event handler 
      _convertctrl.Progress += new ProgressEventHandler(ConvertCtrl_Progress); 
 
      // convert it now! 
      _convertctrl.StartConvert(); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
 
   // we'll loop on the state and pump messages for this example. 
   // but you should not need to if running from a Windows Forms application. 
   while (_convertctrl.State == ConvertState.Running) 
      Application.DoEvents(); 
} 
 
void ConvertCtrl_Progress(object sender, ProgressEventArgs e) 
{ 
   // set the result to true if complete 
   if (e.percent == 100) 
      _result = true; 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS23\Media"; 
}

Requirements

Target Platforms

Reference

TargetFormat Class

TargetFormat Members

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Help Version 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies