wasapi: Patched WinRT to compile.

src/audio/wasapi/SDL_wasapi_winrt.cpp

@@ -159,12 +159,12 @@ void SDL_WasapiDeviceEventHandler::OnDeviceAdded(DeviceWatcher ^ sender, DeviceI
             WAVEFORMATEXTENSIBLE fmt;
             SDL_zero(fmt);
             SDL_memcpy(&fmt, data->Data, SDL_min(data->Length, sizeof(WAVEFORMATEXTENSIBLE)));
-            spec.channels = (Uint8)fmt->Format.nChannels;
+            spec.channels = (Uint8)fmt.Format.nChannels;
-            spec.freq = fmt->Format.nSamplesPerSec;
+            spec.freq = fmt.Format.nSamplesPerSec;
-            spec.format = SDL_WaveFormatExToSDLFormat((WAVEFORMATEX *)fmt);
+            spec.format = SDL_WaveFormatExToSDLFormat((WAVEFORMATEX *)&fmt);
         }
 
-        LPWSTR devid = SDL_wcsdup(devid);
+        LPWSTR devid = SDL_wcsdup(info->Id->Data());
         if (devid) {
             SDL_AddAudioDevice(this->iscapture, utf8dev, spec.channels ? &spec : NULL, devid);
         }
@@ -244,7 +244,7 @@ void WASAPI_EnumerateEndpoints(SDL_AudioDevice **default_output, SDL_AudioDevice
 
     capture_device_event_handler = new SDL_WasapiDeviceEventHandler(SDL_TRUE);
     capture_device_event_handler->WaitForCompletion();
-    defdevid = MediaDevice::GetDefaultAudioCaptureId(AudioDeviceRole::Default)
+    defdevid = MediaDevice::GetDefaultAudioCaptureId(AudioDeviceRole::Default);
     if (defdevid) {
         *default_capture = FindWinRTAudioDevice(defdevid->Data());
     }
@@ -307,7 +307,7 @@ int WASAPI_ActivateDevice(SDL_AudioDevice *device)
     }
 
     // !!! FIXME: the problems in SDL2 that needed this to be synchronous are _probably_ solved by SDL3, and this can block indefinitely if a user prompt is shown to get permission to use a microphone.
-    handler.WaitForCompletion();  // block here until we have an answer, so this is synchronous to us after all.
+    handler.Get()->WaitForCompletion();  // block here until we have an answer, so this is synchronous to us after all.
 
     HRESULT activateRes = S_OK;
     IUnknown *iunknown = nullptr;

src/core/windows/SDL_immdevice.c

@@ -53,8 +53,6 @@ static const IID SDL_IID_IMMEndpoint = { 0x1be09788, 0x6894, 0x4089,{ 0x85, 0x86
 static const PROPERTYKEY SDL_PKEY_Device_FriendlyName = { { 0xa45c254e, 0xdf1c, 0x4efd,{ 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, } }, 14 };
 static const PROPERTYKEY SDL_PKEY_AudioEngine_DeviceFormat = { { 0xf19f064d, 0x82c, 0x4e27,{ 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c, } }, 0 };
 static const PROPERTYKEY SDL_PKEY_AudioEndpoint_GUID = { { 0x1da5d803, 0xd492, 0x4edd,{ 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, } }, 4 };
-static const GUID SDL_KSDATAFORMAT_SUBTYPE_PCM = { 0x00000001, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
-static const GUID SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = { 0x00000003, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
 /* *INDENT-ON* */ /* clang-format on */
 
 static SDL_bool FindByDevIDCallback(SDL_AudioDevice *device, void *userdata)
@@ -394,25 +392,4 @@ void SDL_IMMDevice_EnumerateEndpoints(SDL_AudioDevice **default_output, SDL_Audi
     IMMDeviceEnumerator_RegisterEndpointNotificationCallback(enumerator, (IMMNotificationClient *)&notification_client);
 }
 
-SDL_AudioFormat SDL_WaveFormatExToSDLFormat(WAVEFORMATEX *waveformat)
-{
-    if ((waveformat->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) && (waveformat->wBitsPerSample == 32)) {
-        return SDL_AUDIO_F32SYS;
-    } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 16)) {
-        return SDL_AUDIO_S16SYS;
-    } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 32)) {
-        return SDL_AUDIO_S32SYS;
-    } else if (waveformat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
-        const WAVEFORMATEXTENSIBLE *ext = (const WAVEFORMATEXTENSIBLE *)waveformat;
-        if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 32)) {
-            return SDL_AUDIO_F32SYS;
-        } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 16)) {
-            return SDL_AUDIO_S16SYS;
-        } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 32)) {
-            return SDL_AUDIO_S32SYS;
-        }
-    }
-    return 0;
-}
-
 #endif /* (defined(__WIN32__) || defined(__GDK__)) && defined(HAVE_MMDEVICEAPI_H) */

src/core/windows/SDL_immdevice.h

@@ -35,6 +35,5 @@ void SDL_IMMDevice_EnumerateEndpoints(SDL_AudioDevice **default_output, SDL_Audi
 LPGUID SDL_IMMDevice_GetDirectSoundGUID(SDL_AudioDevice *device);
 LPCWSTR SDL_IMMDevice_GetDevID(SDL_AudioDevice *device);
 void SDL_IMMDevice_FreeDeviceHandle(SDL_AudioDevice *device);
-SDL_AudioFormat SDL_WaveFormatExToSDLFormat(WAVEFORMATEX *waveformat);
 
 #endif /* SDL_IMMDEVICE_H */

src/core/windows/SDL_windows.c

@@ -335,6 +335,33 @@ BOOL WIN_IsRectEmpty(const RECT *rect)
     return (rect->right <= rect->left) || (rect->bottom <= rect->top);
 }
 
+/* Some GUIDs we need to know without linking to libraries that aren't available before Vista. */
+/* *INDENT-OFF* */ /* clang-format off */
+static const GUID SDL_KSDATAFORMAT_SUBTYPE_PCM = { 0x00000001, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
+static const GUID SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = { 0x00000003, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } };
+/* *INDENT-ON* */ /* clang-format on */
+
+SDL_AudioFormat SDL_WaveFormatExToSDLFormat(WAVEFORMATEX *waveformat)
+{
+    if ((waveformat->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) && (waveformat->wBitsPerSample == 32)) {
+        return SDL_AUDIO_F32SYS;
+    } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 16)) {
+        return SDL_AUDIO_S16SYS;
+    } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 32)) {
+        return SDL_AUDIO_S32SYS;
+    } else if (waveformat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
+        const WAVEFORMATEXTENSIBLE *ext = (const WAVEFORMATEXTENSIBLE *)waveformat;
+        if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 32)) {
+            return SDL_AUDIO_F32SYS;
+        } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 16)) {
+            return SDL_AUDIO_S16SYS;
+        } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof(GUID)) == 0) && (waveformat->wBitsPerSample == 32)) {
+            return SDL_AUDIO_S32SYS;
+        }
+    }
+    return 0;
+}
+
 /* Win32-specific SDL_RunApp(), which does most of the SDL_main work,
   based on SDL_windows_main.c, placed in the public domain by Sam Lantinga  4/13/98 */
 #ifdef __WIN32__

src/core/windows/SDL_windows.h

@@ -78,6 +78,7 @@
 
 #include <windows.h>
 #include <basetyps.h> /* for REFIID with broken mingw.org headers */
+#include <mmreg.h>
 
 /* Older Visual C++ headers don't have the Win64-compatible typedefs... */
 #if defined(_MSC_VER) && (_MSC_VER <= 1200)
@@ -154,6 +155,8 @@ extern void WIN_RectToRECT(const SDL_Rect *sdlrect, RECT *winrect);
 /* Returns SDL_TRUE if the rect is empty */
 extern BOOL WIN_IsRectEmpty(const RECT *rect);
 
+extern SDL_AudioFormat SDL_WaveFormatExToSDLFormat(WAVEFORMATEX *waveformat);
+
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }