Add new VideoConference module for muting mic/cam (#11798)

* add new VideoConference module for muting mic/cam

Co-authored-by: PrzemyslawTusinski <61138537+PrzemyslawTusinski@users.noreply.github.com>
Co-authored-by: Niels Laute <niels.laute@live.nl>

src/modules/videoconference/VideoConferenceShared/MicrophoneDevice.h

@@ -0,0 +1,65 @@
+#pragma once
+#define NOMINMAX
+
+#include <Windows.h>
+#include <Unknwn.h>
+
+#include <winrt/base.h>
+#include <winrt/Windows.Foundation.Collections.h>
+
+#include <wil/resource.h>
+#include <wil/com.h>
+
+
+#include <string_view>
+
+#include <optional>
+#include <vector>
+#include <functional>
+
+#include <Mmdeviceapi.h>
+#include <Endpointvolume.h>
+
+class MicrophoneDevice
+{
+public:
+    using mute_changed_cb_t = std::function<void(bool muted)>;
+
+private:
+    friend struct VolumeNotifier;
+
+    struct VolumeNotifier : winrt::implements<VolumeNotifier, IAudioEndpointVolumeCallback>
+    {
+        MicrophoneDevice* _subscribedDevice = nullptr;
+        VolumeNotifier(MicrophoneDevice* subscribedDevice);
+
+        virtual HRESULT __stdcall OnNotify(PAUDIO_VOLUME_NOTIFICATION_DATA data) override;
+    };
+
+    wil::unique_cotaskmem_string _id;
+    wil::unique_prop_variant _friendly_name;
+    mute_changed_cb_t _mute_changed_callback;
+    winrt::com_ptr<IAudioEndpointVolumeCallback> _notifier;
+    wil::com_ptr_nothrow<IAudioEndpointVolume> _endpoint;
+    wil::com_ptr_nothrow<IMMDevice> _device;
+
+    constexpr static inline std::wstring_view FALLBACK_NAME = L"Unknown device";
+    constexpr static inline std::wstring_view FALLBACK_ID = L"UNKNOWN_ID";
+
+public:
+    MicrophoneDevice(MicrophoneDevice&&) noexcept = default;
+    MicrophoneDevice(wil::com_ptr_nothrow<IMMDevice> device, wil::com_ptr_nothrow<IAudioEndpointVolume> endpoint);
+    ~MicrophoneDevice();
+
+    bool active() const noexcept;
+    void set_muted(const bool muted) noexcept;
+    bool muted() const noexcept;
+    void toggle_muted() noexcept;
+
+    std::wstring_view id() const noexcept;
+    std::wstring_view name() const noexcept;
+    void set_mute_changed_callback(mute_changed_cb_t callback) noexcept;
+
+    static std::optional<MicrophoneDevice> getDefault();
+    static std::vector<MicrophoneDevice> getAllActive();
+};