PreviewAudioProcessors Property (original) (raw)

Summary

Gets the selected preview audio processor collection object.

Syntax

[EditorAttribute(System.Type, System.Type)] public [AudioProcessors](audioprocessors.html) PreviewAudioProcessors { get; }

Property Value

A AudioProcessors collection object representing the available preview audio processors.

Example

using Leadtools; using Leadtools.Multimedia; using LeadtoolsMultimediaExamples.Fixtures; public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void PreviewProcessorsExample() { CaptureCtrl capturectrl = _form.CaptureCtrl; string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_PreviewProcessorsExample.avi"); try { // try to find a USB camera if (capturectrl.VideoDevices["USB"] == null) throw new Exception("No USB video device available"); capturectrl.VideoDevices["USB"].Selected = true; // try to find a USB audio device if (capturectrl.AudioDevices["USB"] == null) throw new Exception("No USB audio device available"); capturectrl.AudioDevices["USB"].Selected = true; // set the video processor for the preview to the Dizzy filter capturectrl.PreviewVideoProcessors.Add(capturectrl.VideoProcessors.EFXDizzy); Processor vproc = capturectrl.PreviewVideoProcessors.EFXDizzy; // set the audio processor for the preview to the Chorus filter capturectrl.PreviewAudioProcessors.Add(capturectrl.AudioProcessors.Chorus); Processor aproc = capturectrl.PreviewAudioProcessors.Chorus; // set the video processor properties if (vproc.HasDialog(ProcessorDlg.Properties)) vproc.ShowDialog(ProcessorDlg.Properties, _form); // set the audio processor properties if (aproc.HasDialog(ProcessorDlg.Properties)) aproc.ShowDialog(ProcessorDlg.Properties, _form); // set MPEG2 as the video compressor capturectrl.VideoCompressors.Mpeg2.Selected = true; // set AC3 as the audio compressor capturectrl.AudioCompressors.AC3.Selected = true; // set the target output file and format capturectrl.TargetFile = outFile; // set the target output format capturectrl.TargetFormat = TargetFormatType.AVI; // enable preview capturectrl.Preview = true; // check whether we can capture video if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio)) { capturectrl.FrameRate = 5; // 5 frames per second capturectrl.UseFrameRate = true; capturectrl.TimeLimit = 10; // just 10 seconds of capture time capturectrl.UseTimeLimit = true; // subscribe to the complete event capturectrl.Complete += new EventHandler(CaptureCtrl_Complete); // start the capture process capturectrl.StartCapture(CaptureMode.VideoAndAudio); // 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 (capturectrl.State == CaptureState.Running) Application.DoEvents(); } } catch (Exception) { _result = false; } } public void CaptureCtrl_Complete(object sender, EventArgs e) { // set result _result = true; } static class LEAD_VARS { public const string MediaDir = @"C:\LEADTOOLS23\Media"; }