public frmAudioSettings(AudioCapability ac, frmAVDevices frmAV)
{
InitializeComponent();
Debug.Assert(ac != null);
Debug.Assert(ac.AudioCaptureGraph != null);
Debug.Assert(frmAV != null);
this.ac = ac;
this.acg = ac.AudioCaptureGraph;
this.frmAV = frmAV;
}
/// <summary>
/// Creates the actual FilgraphManager with the chosen microphone
/// </summary>
private void CreateAudioGraph(FilterInfo fi)
{
Debug.Assert(cg == null);
if (DVSource.IsDVSourceWithAudio(fi)) {
cg = DVCaptureGraph.GetInstance(fi);
Log(((DVCaptureGraph)cg).DVSource.Dump());
}
else {
// Create the graph, which creates the source filter
cg = new AudioCaptureGraph(fi);
Log(((AudioCaptureGraph)cg).AudioSource.Dump());
}
}
/// <summary>
/// Creates the actual FilgraphManager with the chosen microphone
/// </summary>
private void CreateAudioGraph(FilterInfo fi)
{
Debug.Assert(acg == null);
// Create the graph, which creates the source filter
cg = new AudioCaptureGraph(fi);
Log(acg.AudioSource.Dump());
}
public void RenderAndRunAudio(AudioCaptureGraph acg)
{
RenderAndRunAudio(acg, ckPlayAudio.Checked);
}
private void DeactivateAudioCapability()
{
RenderAndRunAudio(acg, false);
acg = null;
ac.DeactivateMicrophone();
}
private void ActivateAudioCapability(FilterInfo fi)
{
ac = new AudioCapability(fi);
ac.SetLogger(new AVLogger(Log));
ac.ActivateMicrophone();
acg = ac.AudioCaptureGraph;
RenderAndRunAudio(acg, ckPlayAudio.Checked);
}
public void RenderAndRunAudio(AudioCaptureGraph acg, bool playIt)
{
if(acg == null)
{
throw new ArgumentNullException("Can't render an audio graph without an audio capture device");
}
if(playIt)
{
Log("Playing audio (render and run graph) - " + acg.Source.FriendlyName);
// Re-add the renderer in case they changed it since the last
// time they played the audio
acg.AddRenderer((FilterInfo)cboSpeakers.SelectedItem);
acg.Run();
}
else
{
Log("Stop audio (stop and unrender graph) - " + acg.Source.FriendlyName);
acg.Stop();
acg.RemoveRenderer();
}
Log(FilterGraph.Debug(acg.IFilterGraph));
}
