/// <summary>Invoke the device volume mute changed event (if it has any listeners)</summary>
protected void InvokeDeviceVolumeMuteChanged(bool muted, AudioOutputDevice audioOutputDevice)
{
if (onDeviceVolumeMuteChanged != null)
{
onDeviceVolumeMuteChanged(muted, audioOutputDevice);
}
}
/// <summary>Invoke the device volume changed event (if it has any listeners)</summary>
protected void InvokeDeviceVolumeChanged(float volume, AudioOutputDevice audioOutputDevice)
{
if (onDeviceVolumeChanged != null)
{
onDeviceVolumeChanged(volume, audioOutputDevice);
}
}
/// <summary>Unmutes the device volume mute state for device with given id</summary>
/// <param name="deviceID">The id of the device</param>
/// <param name="sendCallback">Optional: Indicates whether to send an event callback, default is false</param>
public static void UnmuteDeviceVolume(AudioOutputDevice audioOutputDevice, bool sendCallback = false)
{
NativeSystemVolume systemVolume = Instance.systemVolume;
if (!systemVolume.ValidateDeviceID(audioOutputDevice.id))
{
return;
}
systemVolume.SetDeviceVolumeMute(false, audioOutputDevice.id, sendCallback);
}
/// <summary>Indicates if the system volume is muted for the device with given ID</summary>
public static bool IsDeviceVolumeMuted(AudioOutputDevice audioOutputDevice)
{
NativeSystemVolume systemVolume = Instance.systemVolume;
if (!systemVolume.ValidateDeviceID(audioOutputDevice.id))
{
return(false);
}
return(systemVolume.IsDeviceVolumeMuted(audioOutputDevice.id));
}
/// <summary>Gets the device volume for the device with given ID</summary>
public static float GetDeviceVolume(AudioOutputDevice audioOutputDevice)
{
NativeSystemVolume systemVolume = Instance.systemVolume;
if (!systemVolume.ValidateDeviceID(audioOutputDevice.id))
{
return(-1);
}
return(systemVolume.GetDeviceVolume(audioOutputDevice.id));
}
/// <summary>Update the device volume mute states</summary>
private void UpdateDeviceVolumeMutes()
{
int length = AudioOutputDevices.Length;
for (int i = 0; i < length; i++)
{
AudioOutputDevice audioOutputDevice = AudioOutputDevices[i];
bool lastMute = lastDeviceVolumeMutes[i];
bool muted = IsDeviceVolumeMuted(audioOutputDevice.id);
if (lastMute != muted)
{
InvokeDeviceVolumeMuteChanged(muted, audioOutputDevice);
lastDeviceVolumeMutes[i] = muted;
}
}
}
/// <summary>Update the device volume states</summary>
private void UpdateDeviceVolumes()
{
int length = AudioOutputDevices.Length;
for (int i = 0; i < length; i++)
{
AudioOutputDevice audioOutputDevice = AudioOutputDevices[i];
float lastVolume = lastDeviceVolumes[i];
float volume = GetDeviceVolume(audioOutputDevice.id);
if (lastVolume != volume)
{
InvokeDeviceVolumeChanged(volume, audioOutputDevice);
lastDeviceVolumes[i] = volume;
}
}
}