Leadtools.MediaFoundation Namespace > CaptureCtrl Class : Volume Property |
'Declaration Public Overridable Property Volume As Integer
'Usage Dim instance As CaptureCtrl Dim value As Integer instance.Volume = value value = instance.Volume
public virtual int Volume {get; set;}
Imports Leadtools Imports Leadtools.MediaFoundation Imports LeadtoolsMediaFoundationExamples.Fixtures Public _result As Boolean = False Public _form As New CaptureCtrlForm() Public Sub CaptureAudioExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl ' output file for capture Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CaptureAudioExample.mp3") Try ' select a audio capture device If capturectrl.AudioDevices("USB") Is Nothing Then Throw New Exception("No USB audio device available") End If capturectrl.AudioDevices("USB").Selected = True ' set the target output file and format capturectrl.TargetFile = outFile capturectrl.TargetFormat = TargetFormatType.MP4 ' unmute the audio, balanced and full volume capturectrl.Mute = False capturectrl.Balance = 0 capturectrl.Volume = 0 ' check if we have can capture audio If capturectrl.IsModeAvailable(CaptureMode.Audio) Then capturectrl.TimeLimit = 5 ' just 5 seconds of capture time capturectrl.UseTimeLimit = True ' start the capture process capturectrl.StartCapture(CaptureMode.Audio) ' 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() End While ' set the result _result = File.Exists(outFile) End If Catch generatedExceptionName As Exception _result = False End Try End Sub Public NotInheritable Class LEAD_VARS Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media" End Class
using Leadtools; using Leadtools.MediaFoundation; using LeadtoolsMediaFoundationExamples.Fixtures; public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void CaptureAudioExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; // output file for capture string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_CaptureAudioExample.mp3"); try { // select a audio capture device if (capturectrl.AudioDevices["USB"] == null) throw new Exception("No USB audio device available"); capturectrl.AudioDevices["USB"].Selected = true; // set the target output file and format capturectrl.TargetFile = outFile; capturectrl.TargetFormat = TargetFormatType.MP4; // unmute the audio, balanced and full volume capturectrl.Mute = false; capturectrl.Balance = 0; capturectrl.Volume = 0; // check if we have can capture audio if (capturectrl.IsModeAvailable(CaptureMode.Audio)) { capturectrl.TimeLimit = 5; // just 5 seconds of capture time capturectrl.UseTimeLimit = true; // start the capture process capturectrl.StartCapture(CaptureMode.Audio); // 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(); // set the result _result = File.Exists(outFile); } } catch (Exception) { _result = false; } } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"; }