Added WASAPI audio target to autoconf build process

configure

 
                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
             fi
+
+$as_echo "#define SDL_AUDIO_DRIVER_WASAPI 1" >>confdefs.h
+
+            SOURCES="$SOURCES $srcdir/src/audio/wasapi/*.c"
             have_audio=yes
         fi
         # Set up files for the joystick library

configure.in

@@ -3405,6 +3405,8 @@ AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
             fi
+            AC_DEFINE(SDL_AUDIO_DRIVER_WASAPI, 1, [ ])
+            SOURCES="$SOURCES $srcdir/src/audio/wasapi/*.c"
             have_audio=yes
         fi
         # Set up files for the joystick library

include/SDL_config.h.cmake

@@ -211,38 +211,38 @@
 #cmakedefine SDL_FILESYSTEM_DISABLED @SDL_FILESYSTEM_DISABLED@
 
 /* Enable various audio drivers */
-#cmakedefine SDL_AUDIO_DRIVER_ANDROID @SDL_AUDIO_DRIVER_ANDROID@
 #cmakedefine SDL_AUDIO_DRIVER_ALSA @SDL_AUDIO_DRIVER_ALSA@
 #cmakedefine SDL_AUDIO_DRIVER_ALSA_DYNAMIC @SDL_AUDIO_DRIVER_ALSA_DYNAMIC@
-#cmakedefine SDL_AUDIO_DRIVER_JACK @SDL_AUDIO_DRIVER_JACK@
-#cmakedefine SDL_AUDIO_DRIVER_JACK_DYNAMIC @SDL_AUDIO_DRIVER_JACK_DYNAMIC@
+#cmakedefine SDL_AUDIO_DRIVER_ANDROID @SDL_AUDIO_DRIVER_ANDROID@
 #cmakedefine SDL_AUDIO_DRIVER_ARTS @SDL_AUDIO_DRIVER_ARTS@
 #cmakedefine SDL_AUDIO_DRIVER_ARTS_DYNAMIC @SDL_AUDIO_DRIVER_ARTS_DYNAMIC@
-#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO @SDL_AUDIO_DRIVER_PULSEAUDIO@
-#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC @SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC@
-#cmakedefine SDL_AUDIO_DRIVER_HAIKU @SDL_AUDIO_DRIVER_HAIKU@
-#cmakedefine SDL_AUDIO_DRIVER_NETBSD @SDL_AUDIO_DRIVER_NETBSD@
 #cmakedefine SDL_AUDIO_DRIVER_COREAUDIO @SDL_AUDIO_DRIVER_COREAUDIO@
 #cmakedefine SDL_AUDIO_DRIVER_DISK @SDL_AUDIO_DRIVER_DISK@
-#cmakedefine SDL_AUDIO_DRIVER_DUMMY @SDL_AUDIO_DRIVER_DUMMY@
-#cmakedefine SDL_AUDIO_DRIVER_XAUDIO2 @SDL_AUDIO_DRIVER_XAUDIO2@
-#cmakedefine SDL_AUDIO_DRIVER_WASAPI @SDL_AUDIO_DRIVER_WASAPI@
 #cmakedefine SDL_AUDIO_DRIVER_DSOUND @SDL_AUDIO_DRIVER_DSOUND@
+#cmakedefine SDL_AUDIO_DRIVER_DUMMY @SDL_AUDIO_DRIVER_DUMMY@
+#cmakedefine SDL_AUDIO_DRIVER_EMSCRIPTEN @SDL_AUDIO_DRIVER_EMSCRIPTEN@
 #cmakedefine SDL_AUDIO_DRIVER_ESD @SDL_AUDIO_DRIVER_ESD@
 #cmakedefine SDL_AUDIO_DRIVER_ESD_DYNAMIC @SDL_AUDIO_DRIVER_ESD_DYNAMIC@
+#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND @SDL_AUDIO_DRIVER_FUSIONSOUND@
+#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC @SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC@
+#cmakedefine SDL_AUDIO_DRIVER_HAIKU @SDL_AUDIO_DRIVER_HAIKU@
+#cmakedefine SDL_AUDIO_DRIVER_JACK @SDL_AUDIO_DRIVER_JACK@
+#cmakedefine SDL_AUDIO_DRIVER_JACK_DYNAMIC @SDL_AUDIO_DRIVER_JACK_DYNAMIC@
 #cmakedefine SDL_AUDIO_DRIVER_NAS @SDL_AUDIO_DRIVER_NAS@
 #cmakedefine SDL_AUDIO_DRIVER_NAS_DYNAMIC @SDL_AUDIO_DRIVER_NAS_DYNAMIC@
-#cmakedefine SDL_AUDIO_DRIVER_SNDIO @SDL_AUDIO_DRIVER_SNDIO@
-#cmakedefine SDL_AUDIO_DRIVER_SNDIO_DYNAMIC @SDL_AUDIO_DRIVER_SNDIO_DYNAMIC@
+#cmakedefine SDL_AUDIO_DRIVER_NETBSD @SDL_AUDIO_DRIVER_NETBSD@
 #cmakedefine SDL_AUDIO_DRIVER_OSS @SDL_AUDIO_DRIVER_OSS@
 #cmakedefine SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H @SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H@
 #cmakedefine SDL_AUDIO_DRIVER_PAUDIO @SDL_AUDIO_DRIVER_PAUDIO@
+#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO @SDL_AUDIO_DRIVER_PULSEAUDIO@
+#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC @SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC@
 #cmakedefine SDL_AUDIO_DRIVER_QSA @SDL_AUDIO_DRIVER_QSA@
+#cmakedefine SDL_AUDIO_DRIVER_SNDIO @SDL_AUDIO_DRIVER_SNDIO@
+#cmakedefine SDL_AUDIO_DRIVER_SNDIO_DYNAMIC @SDL_AUDIO_DRIVER_SNDIO_DYNAMIC@
 #cmakedefine SDL_AUDIO_DRIVER_SUNAUDIO @SDL_AUDIO_DRIVER_SUNAUDIO@
+#cmakedefine SDL_AUDIO_DRIVER_WASAPI @SDL_AUDIO_DRIVER_WASAPI@
 #cmakedefine SDL_AUDIO_DRIVER_WINMM @SDL_AUDIO_DRIVER_WINMM@
-#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND @SDL_AUDIO_DRIVER_FUSIONSOUND@
-#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC @SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC@
-#cmakedefine SDL_AUDIO_DRIVER_EMSCRIPTEN @SDL_AUDIO_DRIVER_EMSCRIPTEN@
+#cmakedefine SDL_AUDIO_DRIVER_XAUDIO2 @SDL_AUDIO_DRIVER_XAUDIO2@
 
 /* Enable various input drivers */
 #cmakedefine SDL_INPUT_LINUXEV @SDL_INPUT_LINUXEV@

include/SDL_config.h.in

@@ -213,36 +213,37 @@
 /* Enable various audio drivers */
 #undef SDL_AUDIO_DRIVER_ALSA
 #undef SDL_AUDIO_DRIVER_ALSA_DYNAMIC
-#undef SDL_AUDIO_DRIVER_JACK
-#undef SDL_AUDIO_DRIVER_JACK_DYNAMIC
+#undef SDL_AUDIO_DRIVER_ANDROID
 #undef SDL_AUDIO_DRIVER_ARTS
 #undef SDL_AUDIO_DRIVER_ARTS_DYNAMIC
-#undef SDL_AUDIO_DRIVER_PULSEAUDIO
-#undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
-#undef SDL_AUDIO_DRIVER_HAIKU
-#undef SDL_AUDIO_DRIVER_NETBSD
 #undef SDL_AUDIO_DRIVER_COREAUDIO
 #undef SDL_AUDIO_DRIVER_DISK
-#undef SDL_AUDIO_DRIVER_DUMMY
-#undef SDL_AUDIO_DRIVER_ANDROID
-#undef SDL_AUDIO_DRIVER_XAUDIO2
 #undef SDL_AUDIO_DRIVER_DSOUND
+#undef SDL_AUDIO_DRIVER_DUMMY
+#undef SDL_AUDIO_DRIVER_EMSCRIPTEN
 #undef SDL_AUDIO_DRIVER_ESD
 #undef SDL_AUDIO_DRIVER_ESD_DYNAMIC
+#undef SDL_AUDIO_DRIVER_FUSIONSOUND
+#undef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
+#undef SDL_AUDIO_DRIVER_HAIKU
+#undef SDL_AUDIO_DRIVER_JACK
+#undef SDL_AUDIO_DRIVER_JACK_DYNAMIC
 #undef SDL_AUDIO_DRIVER_NACL
 #undef SDL_AUDIO_DRIVER_NAS
 #undef SDL_AUDIO_DRIVER_NAS_DYNAMIC
-#undef SDL_AUDIO_DRIVER_SNDIO
-#undef SDL_AUDIO_DRIVER_SNDIO_DYNAMIC
+#undef SDL_AUDIO_DRIVER_NETBSD
 #undef SDL_AUDIO_DRIVER_OSS
 #undef SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H
 #undef SDL_AUDIO_DRIVER_PAUDIO
+#undef SDL_AUDIO_DRIVER_PULSEAUDIO
+#undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
 #undef SDL_AUDIO_DRIVER_QSA
+#undef SDL_AUDIO_DRIVER_SNDIO
+#undef SDL_AUDIO_DRIVER_SNDIO_DYNAMIC
 #undef SDL_AUDIO_DRIVER_SUNAUDIO
+#undef SDL_AUDIO_DRIVER_WASAPI
 #undef SDL_AUDIO_DRIVER_WINMM
-#undef SDL_AUDIO_DRIVER_FUSIONSOUND
-#undef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
-#undef SDL_AUDIO_DRIVER_EMSCRIPTEN
+#undef SDL_AUDIO_DRIVER_XAUDIO2
 
 /* Enable various input drivers */
 #undef SDL_INPUT_LINUXEV

src/audio/wasapi/SDL_wasapi.c

@@ -182,7 +182,6 @@ SDLMMNotificationClient_OnDeviceRemoved(IMMNotificationClient *ithis, LPCWSTR pw
 static HRESULT STDMETHODCALLTYPE
 SDLMMNotificationClient_OnDeviceStateChanged(IMMNotificationClient *ithis, LPCWSTR pwstrDeviceId, DWORD dwNewState)
 {
-    SDLMMNotificationClient *this = (SDLMMNotificationClient *) ithis;
     IMMDevice *device = NULL;
 
     if (SUCCEEDED(IMMDeviceEnumerator_GetDevice(enumerator, pwstrDeviceId, &device))) {
@@ -222,7 +221,7 @@ static const IMMNotificationClientVtbl notification_client_vtbl = {
     SDLMMNotificationClient_OnPropertyValueChanged
 };
 
-static SDLMMNotificationClient notification_client = { &notification_client_vtbl, 1 };
+static SDLMMNotificationClient notification_client = { &notification_client_vtbl, { 1 } };
 
 static SDL_bool
 WStrEqual(const WCHAR *a, const WCHAR *b)