void TestGetHW()
{
int hr;
TVAudioMode modes;
hr = m_itva.GetHardwareSupportedTVAudioModes(out modes);
DsError.ThrowExceptionForHR(hr);
// my card returns 17
Debug.Assert(modes > 0, "GetAvailableTVAudioModes");
}
/// <summary>
/// Detects the capabilities of the tv audio device
/// </summary>
private void CheckCapabilities(Graph graph)
{
TVAudioMode availableAudioModes;
_tvAudioTunerInterface.GetHardwareSupportedTVAudioModes(out availableAudioModes);
graph.TvAudio.AudioModes = availableAudioModes;
if ((availableAudioModes & (TVAudioMode.Stereo)) != 0)
{
AnalogAudioStream stream = new AnalogAudioStream();
stream.AudioMode = TVAudioMode.Stereo;
stream.Language = "Stereo";
streams.Add(stream);
}
if ((availableAudioModes & (TVAudioMode.Mono)) != 0)
{
AnalogAudioStream stream = new AnalogAudioStream();
stream.AudioMode = TVAudioMode.Mono;
stream.Language = "Mono";
streams.Add(stream);
}
if ((availableAudioModes & (TVAudioMode.LangA)) != 0)
{
AnalogAudioStream stream = new AnalogAudioStream();
stream.AudioMode = TVAudioMode.LangA;
stream.Language = "LangA";
streams.Add(stream);
}
if ((availableAudioModes & (TVAudioMode.LangB)) != 0)
{
AnalogAudioStream stream = new AnalogAudioStream();
stream.AudioMode = TVAudioMode.LangB;
stream.Language = "LangB";
streams.Add(stream);
}
if ((availableAudioModes & (TVAudioMode.LangC)) != 0)
{
AnalogAudioStream stream = new AnalogAudioStream();
stream.AudioMode = TVAudioMode.LangC;
stream.Language = "LangC";
streams.Add(stream);
}
}