WMScript Class (original) (raw)
Summary
A WMScript object used to add Script commands to Windows Media Files or Streams.
Syntax
public class WMScript : IDisposable public ref class WMScript : public System.IDisposable Example
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void AddHeaderScriptExample()
{
ConvertCtrl convertctrl = _form.ConvertCtrl;
string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi");
string outFile = Path.Combine(LEAD_VARS.MediaDir, "WMScript_AddHeaderScriptExample.wmv");
try
{
convertctrl.TargetFormat = TargetFormatType.WMVMux;
convertctrl.SourceFile = inFile;
convertctrl.TargetFile = outFile;
WMScript mux = convertctrl.WMScripter;
if (mux == null)
{
_result = false;
return;
}
mux.EnableScriptStream = false;
if (mux.HeaderScriptCount > 0)
mux.RemoveAllHeaderScripts();
WriteScript(convertctrl, mux);
// run the convert
convertctrl.StartConvert();
}
catch (Exception)
{
_result = false;
return;
}
// 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();
// set the result
_result = true;
}
public void WriteScript(ConvertCtrl convertctrl, WMScript mux)
{
double duration = convertctrl.Duration;
for (double t = 0.0; t < duration; t += 1.0)
{
String sz = String.Format("Sample caption script at {0} seconds", t);
mux.AddHeaderScript("caption", sz, t);
}
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS23\Media";
}