Leadtools.Multimedia Namespace > CaptureCtrl Class : AudioCompressors Property |
public virtual AudioCompressors AudioCompressors {get;}
'Declaration Public Overridable ReadOnly Property AudioCompressors As AudioCompressors
'Usage Dim instance As CaptureCtrl Dim value As AudioCompressors value = instance.AudioCompressors
public virtual AudioCompressors AudioCompressors {get;}
get_AudioCompressors();
public: virtual property AudioCompressors^ AudioCompressors { AudioCompressors^ get(); }
Public _result As Boolean = False Public _form As CaptureCtrlForm = New CaptureCtrlForm() Public Sub CompressorsExample() ' reference the capture control Dim capturectrl As CaptureCtrl = _form.CaptureCtrl ' output file Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CompressorsExample.avi") Try ' set the source video device, select using your device name here If capturectrl.VideoDevices("USB") Is Nothing Then Throw New Exception("No USB video device available") End If capturectrl.VideoDevices("USB").Selected = True ' set the source video device, select using your device name here If capturectrl.AudioDevices("USB") Is Nothing Then Throw New Exception("No USB audio device available") End If capturectrl.AudioDevices("USB").Selected = True ' set the video compressor to H264 capturectrl.VideoCompressors.H264.Selected = True ' set the audio compressor to AC3 capturectrl.AudioCompressors.AC3.Selected = True ' set the target files capturectrl.TargetFile = outFile ' check if we have can capture video If capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio) Then capturectrl.FrameDelay = 0.033 ' 30 frames per second capturectrl.TimeLimit = 10 ' just 10 seconds of capture time capturectrl.UseTimeLimit = True ' start the capture process capturectrl.StartCapture(CaptureMode.VideoAndAudio) End If Catch e1 As Exception _result = False End Try ' 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. Do While capturectrl.State = CaptureState.Running Application.DoEvents() Loop ' set the result to what we expect _result = File.Exists(outFile) End Sub Public NotInheritable Class LEAD_VARS Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; End Class
public bool _result = false; public CaptureCtrlForm _form = new CaptureCtrlForm(); public void CompressorsExample() { // reference the capture control CaptureCtrl capturectrl = _form.CaptureCtrl; // output file string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_CompressorsExample.avi"); try { // set the source video device, select using your device name here if (capturectrl.VideoDevices["USB"] == null) throw new Exception("No USB video device available"); capturectrl.VideoDevices["USB"].Selected = true; // set the source video device, select using your device name here if (capturectrl.AudioDevices["USB"] == null) throw new Exception("No USB audio device available"); capturectrl.AudioDevices["USB"].Selected = true; // set the video compressor to H264 capturectrl.VideoCompressors.H264.Selected = true; // set the audio compressor to AC3 capturectrl.AudioCompressors.AC3.Selected = true; // set the target files capturectrl.TargetFile = outFile; // check whether we can capture video if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio)) { capturectrl.FrameDelay = .033; // 30 frames per second capturectrl.TimeLimit = 10; // just 10 seconds of capture time capturectrl.UseTimeLimit = true; // start the capture process capturectrl.StartCapture(CaptureMode.VideoAndAudio); } } 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 (capturectrl.State == CaptureState.Running) Application.DoEvents(); // set the result to what we expect _result = File.Exists(outFile); } static class LEAD_VARS { public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media"; }
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2