Move media playback detection to OS namespace

UnleashedRecomp/os/media.cpp

@@ -0,0 +1,7 @@
+#include <os/media.h>
+#include <os/media_detail.h>
+
+bool os::media::IsExternalMediaPlaying()
+{
+    return detail::IsExternalMediaPlaying();
+}

UnleashedRecomp/os/media.h

@@ -0,0 +1,6 @@
+#pragma once
+
+namespace os::media
+{
+    bool IsExternalMediaPlaying();
+}

UnleashedRecomp/os/media_detail.h

@@ -0,0 +1,6 @@
+#pragma once
+
+namespace os::media::detail
+{
+    bool IsExternalMediaPlaying();
+}

UnleashedRecomp/os/win32/media_win32.cpp

@@ -0,0 +1,72 @@
+#include <os/media_detail.h>
+#include <winrt/Windows.Foundation.h>
+#include <winrt/Windows.Media.Control.h>
+
+using namespace winrt;
+using namespace winrt::Windows::Foundation;
+using namespace winrt::Windows::Media::Control;
+
+static GlobalSystemMediaTransportControlsSessionManager g_sessionManager = nullptr;
+
+static GlobalSystemMediaTransportControlsSessionManager GetSessionManager()
+{
+    if (g_sessionManager)
+        return g_sessionManager;
+
+    try
+    {
+        init_apartment();
+        return g_sessionManager = GlobalSystemMediaTransportControlsSessionManager::RequestAsync().get();
+    }
+    catch (...)
+    {
+        printf("[*] Failed to retrieve GSMTC session manager: 0x%08X\n", to_hresult().value);
+        return nullptr;
+    }
+}
+
+static GlobalSystemMediaTransportControlsSession GetCurrentSession()
+{
+    auto sessionManager = GetSessionManager();
+
+    if (!sessionManager)
+        return nullptr;
+
+    try
+    {
+        return sessionManager.GetCurrentSession();
+    }
+    catch (...)
+    {
+        printf("[*] Failed to retrieve current GSMTC session: 0x%08X\n", to_hresult().value);
+        return nullptr;
+    }
+}
+
+static GlobalSystemMediaTransportControlsSessionPlaybackInfo GetPlaybackInfo()
+{
+    auto session = GetCurrentSession();
+
+    if (!session)
+        return nullptr;
+
+    try
+    {
+        return session.GetPlaybackInfo();
+    }
+    catch (...)
+    {
+        printf("[*] Failed to retrieve GSMTC playback info: 0x%08X\n", to_hresult().value);
+        return nullptr;
+    }
+}
+
+bool os::media::detail::IsExternalMediaPlaying()
+{
+    auto playbackInfo = GetPlaybackInfo();
+
+    if (!playbackInfo)
+        return false;
+
+    return playbackInfo.PlaybackStatus() == GlobalSystemMediaTransportControlsSessionPlaybackStatus::Playing;
+}