public Dictionary<string, List<AudioLineInfo>> getDeviceNames(Mixer mixer, Dictionary<string, List<AudioLineInfo>> deviceDictionary)
{
// Clear dictionary of previously added data (in case some devices have been unplugged or new ones have been plugged in)
deviceDictionary.Clear();
foreach (MixerDetail mixerDetail in mixer.Devices)
{
// Get the device's interface name
string deviceInterfaceFriendlyName = mixerDetail.MixerName;
// Which is set as a dictionary key if a different line already exists for it...
if (!deviceDictionary.ContainsKey(deviceInterfaceFriendlyName))
{
// If this device interface name hasn't already set as a dictionary key, then create a new entry for it.
deviceDictionary[deviceInterfaceFriendlyName] = new List<AudioLineInfo>();
}
// Create a mixer object based on the current deviceId so that we can retrieve the lines.
mixers = new Mixers(true);
Mixer mixer2 = null;
// Get proper mixer type
if (mixer.MixerType == MixerType.Playback){
mixer2 = mixers.Playback;
}
else if(mixer.MixerType == MixerType.Recording){
mixer2 = mixers.Recording;
}
// Set the device id
mixer2.DeviceId = mixerDetail.DeviceId;
// Retrieve the mixer lines and set them in the dictionar
foreach (MixerLine mixerLine in mixer2.UserLines)
{
/**
* Create the line name and interface friendly name (mixer name) pair to associate with the mixer name.
*
* But what? We are associating the mixer name with the mixer name? Isn't this unecessary redundancy?
* We have too because these two values are only identical under XP. In Vista and Windows7 The will be different so this
* is why we structure the response this way.
* Check out the Vista implementation for further details.
*/
//KeyValuePair<string, string> lineNameAndFriendlyNamePair = new KeyValuePair<string, string>(mixerLine.Name, mixerDetail.MixerName);
// Gather device line properties to associate with the device's interface name.
AudioLineInfo audioLineInfo = new AudioLineInfo();
// Line name is confusingly known as the device friendly name.
audioLineInfo.LineName = mixerLine.Name;
// The device's friendly name (the REAL friendly name).
audioLineInfo.FriendlyName = mixerDetail.MixerName;
// Is the device line mutable
audioLineInfo.Mutable = mixerLine.ContainsMute;
deviceDictionary[mixerDetail.MixerName].Add(audioLineInfo);
}
}
return deviceDictionary;
}
private Dictionary<string, List<AudioLineInfo>> getDeviceNames(MMDeviceCollection deviceCollection, Dictionary<string, List<AudioLineInfo>> deviceDictionary)
{
// Clear dictionary of previously added data (in case some devices have been unplugged or new ones have been plugged in)
deviceDictionary.Clear() ;
for (int i = 0; i < deviceCollection.Count; i++)
{
MMDevice device = deviceCollection[i];
// Get the device's interface name
string deviceInterfaceFriendlyName = getDeviceInterfaceFriendlyName(device);
// Which is set as a dictionary key if a different line already exists for it...
if (!deviceDictionary.ContainsKey(deviceInterfaceFriendlyName))
{
// If this device interface name hasn't already set as a dictionary key, then create a new entry for its
deviceDictionary[deviceInterfaceFriendlyName] = new List<AudioLineInfo>();
}
// Get the guid of the device.
string deviceGuid = device.ID.Substring(device.ID.LastIndexOf("{") + 1, device.ID.LastIndexOf("}") - device.ID.LastIndexOf("{") -1);
// Associate to the device's interface name a pair consisting of line name (confusingly known as the device friendly name) and the device's friendly name (the REAL friendly name)
string realDeviceFriendlyName = getDeviceFriendlyName(new Guid(deviceGuid), true);
// Gather device line properties to associate with the device's interface name.
AudioLineInfo audioLineInfo = new AudioLineInfo();
// Line name is confusingly known as the device friendly name.
audioLineInfo.LineName = device.FriendlyName;
// The device's friendly name (the REAL friendly name).
audioLineInfo.FriendlyName = realDeviceFriendlyName;
// Device line is always mutable.
audioLineInfo.Mutable = true;
// Associate the device's interface name with device line properties.
deviceDictionary[deviceInterfaceFriendlyName].Add(audioLineInfo);
}
return deviceDictionary;
}
