public virtual int SourceAudioFOURCC { get; }
public:
virtual property int SourceAudioFOURCC {
int get();
}
A value representing a FOURCC code for the audio format.
If the source audio format is not a standard format, then this property is set to 0. For a list of audio format values, refer to the Microsoft documentation for FOURCC Codes.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public void SourceAudioFOURCCExample()
{
PlayCtrl playctrl = _form.PlayCtrl;
string inFile = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi");
string txtInfo;
try
{
playctrl.SourceFile = inFile;
int fourCC = playctrl.SourceVideoFOURCC;
string Video4CC = "";
for (int i = 0; i < 4; i++)
{
char c = (char)(fourCC & 0xff);
Video4CC += c;
fourCC >>= 8;
}
fourCC = playctrl.SourceAudioFOURCC;
string Audio4CC = "";
for (int i = 0; i < 4; i++)
{
char c = (char)(fourCC & 0xff);
Audio4CC += c;
fourCC >>= 8;
}
txtInfo = string.Format("Source video type {0}\n" +
"Source audio type {1}\n" +
"Source video FOURCC {2}\n" +
"Source audio FOURCC {3}\n\n" +
"Are these values correct?",
playctrl.SourceVideoType,
playctrl.SourceAudioType,
Video4CC,
Audio4CC);
_result = (MessageBox.Show(_form, txtInfo, "Test Verify", MessageBoxButtons.YesNo) == DialogResult.Yes);
}
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 (playctrl.State == PlayState.Running)
Application.DoEvents();
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS23\Media";
}
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