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Mute/Unmute PC Audio when streaming starts/stops. #23

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Mute/Unmute PC Audio when streaming starts/stops. #23

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52 changes: 42 additions & 10 deletions SWYH/App.xaml.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,10 @@
*
* You should have received a copy of the GNU General Public License
* along with Stream What Your Hear. If not, see <http://www.gnu.org/licenses/>.
*/

*/

using NAudio.CoreAudioApi;

namespace SWYH
{
using OpenSource.UPnP.AV.RENDERER.CP;
Expand Down Expand Up @@ -58,7 +60,7 @@ public partial class App : Application
private System.Windows.Forms.NotifyIcon notifyIcon = null;
private System.Windows.Forms.ToolStripMenuItem streamToMenu = null;
private System.Windows.Forms.ToolStripMenuItem searchingItem = null;
private bool directClose = false; //Skip the statements in Application_Exit function.
private bool directClose = false; //Skip the statements in Application_Exit function.

private void Application_Startup(object sender, StartupEventArgs e)
{
Expand Down Expand Up @@ -193,7 +195,8 @@ private void CloseStreamingConnections()
if (renderer != null && renderer.Connections.Count > 0)
{
var connectionAV = renderer.Connections[0] as AVConnection;
connectionAV.Stop();
connectionAV.Stop();
ToggleMuteWindowsAudioDevices(false);
}
}
}
Expand Down Expand Up @@ -257,9 +260,9 @@ private void streamMenu_RendererSelected(object sender, EventArgs e)
{
var connectionAV = renderer.Connections[0] as AVConnection;
if (rendererItem.Checked)
{
{
rendererItem.Checked = false;
connectionAV.Stop();
connectionAV.Stop();
}
else
{
Expand All @@ -269,10 +272,36 @@ private void streamMenu_RendererSelected(object sender, EventArgs e)
{
connectionAV.Stop();
renderer.CreateConnection(media, DateTime.Now.Ticks);
connectionAV.Play();
connectionAV.Play();
}
}
}
}

public static bool ToggleMuteWindowsAudioDevices(bool muted = false)
{
//Instantiate an Enumerator to find audio devices
NAudio.CoreAudioApi.MMDeviceEnumerator MMDE = new NAudio.CoreAudioApi.MMDeviceEnumerator();
//Get all the devices, no matter what condition or status
NAudio.CoreAudioApi.MMDeviceCollection DevCol = MMDE.EnumerateAudioEndPoints(NAudio.CoreAudioApi.DataFlow.All, NAudio.CoreAudioApi.DeviceState.All);
//Loop through all devices
foreach (NAudio.CoreAudioApi.MMDevice dev in DevCol)
{
try
{
//Show us the human understandable name of the device
//System.Diagnostics.Debug.Print(dev.FriendlyName);
if (dev.State == DeviceState.Active)
//[Un]Mute it
dev.AudioEndpointVolume.Mute = muted;
}
catch (Exception ex)
{
//Do something with exception when an audio endpoint could not be muted
return false;
}
}
return true;
}

private void connectionAV_OnPlayStateChanged(AVConnection sender, AVConnection.PlayState NewState)
Expand All @@ -285,11 +314,13 @@ private void connectionAV_OnPlayStateChanged(AVConnection sender, AVConnection.P
var item = this.streamToMenu.DropDownItems[sender.Parent.UniqueDeviceName] as System.Windows.Forms.ToolStripMenuItem;
{
if (NewState == AVConnection.PlayState.STOPPED)
{
{
ToggleMuteWindowsAudioDevices(false);
item.Checked = false;
}
else if (NewState == AVConnection.PlayState.PLAYING)
{
{
ToggleMuteWindowsAudioDevices(true);
item.Checked = true;
}
}
Expand All @@ -308,7 +339,8 @@ private void Application_Exit(object sender, ExitEventArgs e)
{
this.notifyIcon.Dispose();
}
}
}
ToggleMuteWindowsAudioDevices(false);
}
}
}
2 changes: 1 addition & 1 deletion SWYH/Constants.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ internal class Constants
public const string SWYH_PROCESS_NAME = "SWYH";
public const string RESTART_ARGUMENT_NAME = "--restart";
public const string STREAM_TO_ARGUMENT_NAME = "--streamto:";
public const int NUMBER_OF_RESTART_TEST = 20;
public const int NUMBER_OF_RESTART_TEST = 30;

public const string SWYH_CRASHLOG_FILENAME = "SWYH_crash.log";
public const string REGISTRY_START_SUBKEY = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run";
Expand Down
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