Gets the number of audio channels for the current stream in the current source media file.
Syntax
Visual Basic (Declaration) | |
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Public ReadOnly Property AudioChannels As Integer |
Visual Basic (Usage) | Copy Code |
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Dim instance As MediaInfo
Dim value As Integer
value = instance.AudioChannels |
C# | |
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public int AudioChannels {get;} |
C++/CLI | |
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public:
property int AudioChannels {
int get();
} |
Property Value
A value representing the number of audio channels for the current stream.
Example
Visual Basic | Copy Code |
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Public _form As PlayCtrlForm = New PlayCtrlForm()
Public _result As Boolean = False
Public Sub ResetSourceExample()
' reference the play control
Dim playctrl As PlayCtrl = _form.PlayCtrl
' input file
Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "MediaInfo_Source.avi")
Dim info As String = String.Empty
Try
' create a new media info object
Dim mi As MediaInfo = New MediaInfo()
' set the input and output files
mi.SourceFile = inFile
' set the info string
info = String.Format("Source File={0}" & Microsoft.VisualBasic.Constants.vbLf & "Source File Size={1}" & Microsoft.VisualBasic.Constants.vbLf & "Duration={2}" & Microsoft.VisualBasic.Constants.vbLf & "VideoBitRate={3}" & Microsoft.VisualBasic.Constants.vbLf & "VideoBitCount={4}" & Microsoft.VisualBasic.Constants.vbLf + Microsoft.VisualBasic.Constants.vbLf & "Are these values correct?", mi.SourceFile, mi.SourceFileSize, mi.SourceDuration, mi.VideoBitRate, mi.VideoBitCount) ', mi.AudioBitsPerSample, mi.AudioChannels);
' verify the values
_result = (MessageBox.Show(_form, info, "Media Info", MessageBoxButtons.YesNo) = DialogResult.Yes)
' reset the source
mi.ResetSource()
' set the result to what we expect
_result = _result And (mi.SourceFile Is Nothing)
Catch e1 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 17\Media"
End Class |
C# | Copy Code |
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public PlayCtrlForm _form = new PlayCtrlForm();
public bool _result = false;
public void ResetSourceExample()
{
// reference the play control
PlayCtrl playctrl = _form.PlayCtrl;
// input file
string inFile =Path.Combine(LEAD_VARS.MediaDir,"MediaInfo_Source.avi");
string info = string.Empty;
try
{
// create a new media info object
MediaInfo mi = new MediaInfo();
// set the input and output files
mi.SourceFile = inFile;
// set the info string
info = string.Format("Source File={0}\nSource File Size={1}\nDuration={2}\nVideoBitRate={3}\nVideoBitCount={4}\n\nAre these values correct?", // AudioBitsPerSample={5}\nAudioChannels={6}\n
mi.SourceFile, mi.SourceFileSize, mi.SourceDuration, mi.VideoBitRate, mi.VideoBitCount); //, mi.AudioBitsPerSample, mi.AudioChannels);
// verify the values
_result = (MessageBox.Show(_form, info, "Media Info", MessageBoxButtons.YesNo) == DialogResult.Yes);
// reset the source
mi.ResetSource();
// set the result to what we expect
_result &= (mi.SourceFile == null);
}
catch (Exception)
{
_result = false;
}
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
} |
Remarks
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7
See Also