diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 9d6f936e7..3a841450c 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -289,7 +289,7 @@ SDL_AudioFreeDeviceHandle_Default(void *handle)
 
 
 static int
-SDL_AudioOpenDevice_Default(_THIS, void *handle, const char *devname)
+SDL_AudioOpenDevice_Default(_THIS, const char *devname)
 {
     return SDL_Unsupported();
 }
@@ -1383,7 +1383,7 @@ open_audio_device(const char *devname, int iscapture,
         }
     }
 
-    if (current_audio.impl.OpenDevice(device, handle, devname) < 0) {
+    if (current_audio.impl.OpenDevice(device, devname) < 0) {
         close_audio_device(device);
         return 0;
     }
diff --git a/src/audio/SDL_sysaudio.h b/src/audio/SDL_sysaudio.h
index 0bedfbb52..8aa729817 100644
--- a/src/audio/SDL_sysaudio.h
+++ b/src/audio/SDL_sysaudio.h
@@ -65,7 +65,7 @@ extern void SDL_OpenedAudioDeviceDisconnected(SDL_AudioDevice *device);
 typedef struct SDL_AudioDriverImpl
 {
     void (*DetectDevices) (void);
-    int (*OpenDevice) (_THIS, void *handle, const char *devname);
+    int (*OpenDevice) (_THIS, const char *devname);
     void (*ThreadInit) (_THIS); /* Called by audio thread at start */
     void (*ThreadDeinit) (_THIS); /* Called by audio thread at end */
     void (*WaitDevice) (_THIS);
diff --git a/src/audio/aaudio/SDL_aaudio.c b/src/audio/aaudio/SDL_aaudio.c
index 63382104e..1d1553ba7 100644
--- a/src/audio/aaudio/SDL_aaudio.c
+++ b/src/audio/aaudio/SDL_aaudio.c
@@ -71,7 +71,7 @@ void aaudio_errorCallback( AAudioStream *stream, void *userData, aaudio_result_t
 #define LIB_AAUDIO_SO "libaaudio.so"
 
 static int
-aaudio_OpenDevice(_THIS, void *handle, const char *devname)
+aaudio_OpenDevice(_THIS, const char *devname)
 {
     struct SDL_PrivateAudioData *private;
     SDL_bool iscapture = this->iscapture;
diff --git a/src/audio/alsa/SDL_alsa_audio.c b/src/audio/alsa/SDL_alsa_audio.c
index 4a2eec7f0..3f990a2a0 100644
--- a/src/audio/alsa/SDL_alsa_audio.c
+++ b/src/audio/alsa/SDL_alsa_audio.c
@@ -543,7 +543,7 @@ ALSA_set_buffer_size(_THIS, snd_pcm_hw_params_t *params)
 }
 
 static int
-ALSA_OpenDevice(_THIS, void *handle, const char *devname)
+ALSA_OpenDevice(_THIS, const char *devname)
 {
     int status = 0;
     SDL_bool iscapture = this->iscapture;
@@ -570,7 +570,7 @@ ALSA_OpenDevice(_THIS, void *handle, const char *devname)
     /* Open the audio device */
     /* Name of device should depend on # channels in spec */
     status = ALSA_snd_pcm_open(&pcm_handle,
-                get_audio_device(handle, this->spec.channels),
+                get_audio_device(this->handle, this->spec.channels),
                 iscapture ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK,
                 SND_PCM_NONBLOCK);
 
diff --git a/src/audio/android/SDL_androidaudio.c b/src/audio/android/SDL_androidaudio.c
index 92bb5910e..aa0d44242 100644
--- a/src/audio/android/SDL_androidaudio.c
+++ b/src/audio/android/SDL_androidaudio.c
@@ -36,7 +36,7 @@ static SDL_AudioDevice* audioDevice = NULL;
 static SDL_AudioDevice* captureDevice = NULL;
 
 static int
-ANDROIDAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+ANDROIDAUDIO_OpenDevice(_THIS, const char *devname)
 {
     SDL_AudioFormat test_format;
     SDL_bool iscapture = this->iscapture;
diff --git a/src/audio/arts/SDL_artsaudio.c b/src/audio/arts/SDL_artsaudio.c
index 359eec40d..ce74b7d4d 100644
--- a/src/audio/arts/SDL_artsaudio.c
+++ b/src/audio/arts/SDL_artsaudio.c
@@ -216,7 +216,7 @@ ARTS_Suspend(void)
 }
 
 static int
-ARTS_OpenDevice(_THIS, void *handle, const char *devname)
+ARTS_OpenDevice(_THIS, const char *devname)
 {
     int rc = 0;
     int bits, frag_spec = 0;
diff --git a/src/audio/coreaudio/SDL_coreaudio.m b/src/audio/coreaudio/SDL_coreaudio.m
index 952a74d1a..304599fff 100644
--- a/src/audio/coreaudio/SDL_coreaudio.m
+++ b/src/audio/coreaudio/SDL_coreaudio.m
@@ -741,8 +741,10 @@ COREAUDIO_CloseDevice(_THIS)
 
 #if MACOSX_COREAUDIO
 static int
-prepare_device(_THIS, void *handle, int iscapture)
+prepare_device(_THIS)
 {
+    void *handle = this->handle;
+    SDL_bool iscapture = this->iscapture;
     AudioDeviceID devid = (AudioDeviceID) ((size_t) handle);
     OSStatus result = noErr;
     UInt32 size = 0;
@@ -983,7 +985,7 @@ audioqueue_thread(void *arg)
                and quits (flagging the audioqueue for shutdown), or toggles to some other system
                output device (in which case we'll try again). */
             const AudioDeviceID prev_devid = this->hidden->deviceID;
-            if (prepare_device(this, this->handle, this->iscapture) && (prev_devid != this->hidden->deviceID)) {
+            if (prepare_device(this) && (prev_devid != this->hidden->deviceID)) {
                 AudioQueueStop(this->hidden->audioQueue, 1);
                 if (assign_device_to_audioqueue(this)) {
                     int i;
@@ -1015,7 +1017,7 @@ audioqueue_thread(void *arg)
 }
 
 static int
-COREAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+COREAUDIO_OpenDevice(_THIS, const char *devname)
 {
     AudioStreamBasicDescription *strdesc;
     SDL_AudioFormat test_format;
@@ -1112,7 +1114,7 @@ COREAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
     strdesc->mBytesPerPacket = strdesc->mBytesPerFrame * strdesc->mFramesPerPacket;
 
 #if MACOSX_COREAUDIO
-    if (!prepare_device(this, handle, iscapture)) {
+    if (!prepare_device(this)) {
         return -1;
     }
 #endif
diff --git a/src/audio/directsound/SDL_directsound.c b/src/audio/directsound/SDL_directsound.c
index 86e58a1a6..eda0eecec 100644
--- a/src/audio/directsound/SDL_directsound.c
+++ b/src/audio/directsound/SDL_directsound.c
@@ -473,14 +473,14 @@ CreateCaptureBuffer(_THIS, const DWORD bufsize, WAVEFORMATEX *wfmt)
 }
 
 static int
-DSOUND_OpenDevice(_THIS, void *handle, const char *devname)
+DSOUND_OpenDevice(_THIS, const char *devname)
 {
     const DWORD numchunks = 8;
     HRESULT result;
     SDL_bool tried_format = SDL_FALSE;
     SDL_bool iscapture = this->iscapture;
     SDL_AudioFormat test_format;
-    LPGUID guid = (LPGUID) handle;
+    LPGUID guid = (LPGUID) this->handle;
     DWORD bufsize;
 
     /* Initialize all variables that we clean on shutdown */
diff --git a/src/audio/disk/SDL_diskaudio.c b/src/audio/disk/SDL_diskaudio.c
index 9eec2e849..f1edf503e 100644
--- a/src/audio/disk/SDL_diskaudio.c
+++ b/src/audio/disk/SDL_diskaudio.c
@@ -126,8 +126,9 @@ get_filename(const SDL_bool iscapture, const char *devname)
 }
 
 static int
-DISKAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+DISKAUDIO_OpenDevice(_THIS, const char *devname)
 {
+    void *handle = _this->handle;
     /* handle != NULL means "user specified the placeholder name on the fake detected device list" */
     SDL_bool iscapture = _this->iscapture;
     const char *fname = get_filename(iscapture, handle ? NULL : devname);
diff --git a/src/audio/dsp/SDL_dspaudio.c b/src/audio/dsp/SDL_dspaudio.c
index 0176da9e4..8d4ee9435 100644
--- a/src/audio/dsp/SDL_dspaudio.c
+++ b/src/audio/dsp/SDL_dspaudio.c
@@ -68,7 +68,7 @@ DSP_CloseDevice(_THIS)
 
 
 static int
-DSP_OpenDevice(_THIS, void *handle, const char *devname)
+DSP_OpenDevice(_THIS, const char *devname)
 {
     SDL_bool iscapture = this->iscapture;
     const int flags = ((iscapture) ? OPEN_FLAGS_INPUT : OPEN_FLAGS_OUTPUT);
diff --git a/src/audio/dummy/SDL_dummyaudio.c b/src/audio/dummy/SDL_dummyaudio.c
index e2b7bc6d0..dab1edb59 100644
--- a/src/audio/dummy/SDL_dummyaudio.c
+++ b/src/audio/dummy/SDL_dummyaudio.c
@@ -28,7 +28,7 @@
 #include "SDL_dummyaudio.h"
 
 static int
-DUMMYAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+DUMMYAUDIO_OpenDevice(_THIS, const char *devname)
 {
     _this->hidden = (void *) 0x1;  /* just something non-NULL */
     return 0;                   /* always succeeds. */
diff --git a/src/audio/emscripten/SDL_emscriptenaudio.c b/src/audio/emscripten/SDL_emscriptenaudio.c
index 157892f8f..a5b153368 100644
--- a/src/audio/emscripten/SDL_emscriptenaudio.c
+++ b/src/audio/emscripten/SDL_emscriptenaudio.c
@@ -192,7 +192,7 @@ EMSCRIPTENAUDIO_CloseDevice(_THIS)
 }
 
 static int
-EMSCRIPTENAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+EMSCRIPTENAUDIO_OpenDevice(_THIS, const char *devname)
 {
     SDL_AudioFormat test_format;
     SDL_bool iscapture = this->iscapture;
diff --git a/src/audio/esd/SDL_esdaudio.c b/src/audio/esd/SDL_esdaudio.c
index 152100519..ccf07916c 100644
--- a/src/audio/esd/SDL_esdaudio.c
+++ b/src/audio/esd/SDL_esdaudio.c
@@ -208,7 +208,7 @@ get_progname(void)
 
 
 static int
-ESD_OpenDevice(_THIS, void *handle, const char *devname)
+ESD_OpenDevice(_THIS, const char *devname)
 {
     esd_format_t format = (ESD_STREAM | ESD_PLAY);
     SDL_AudioFormat test_format = 0;
diff --git a/src/audio/fusionsound/SDL_fsaudio.c b/src/audio/fusionsound/SDL_fsaudio.c
index 92c214ceb..fbe684de8 100644
--- a/src/audio/fusionsound/SDL_fsaudio.c
+++ b/src/audio/fusionsound/SDL_fsaudio.c
@@ -174,7 +174,7 @@ SDL_FS_CloseDevice(_THIS)
 
 
 static int
-SDL_FS_OpenDevice(_THIS, void *handle, const char *devname)
+SDL_FS_OpenDevice(_THIS, const char *devname)
 {
     int bytes;
     SDL_AudioFormat test_format;
diff --git a/src/audio/haiku/SDL_haikuaudio.cc b/src/audio/haiku/SDL_haikuaudio.cc
index c23b63ec6..bb6b78c1d 100644
--- a/src/audio/haiku/SDL_haikuaudio.cc
+++ b/src/audio/haiku/SDL_haikuaudio.cc
@@ -120,7 +120,7 @@ UnmaskSignals(sigset_t * omask)
 
 
 static int
-HAIKUAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+HAIKUAUDIO_OpenDevice(_THIS, const char *devname)
 {
     media_raw_audio_format format;
     SDL_AudioFormat test_format;
diff --git a/src/audio/jack/SDL_jackaudio.c b/src/audio/jack/SDL_jackaudio.c
index 649077c87..f6e7e0cd3 100644
--- a/src/audio/jack/SDL_jackaudio.c
+++ b/src/audio/jack/SDL_jackaudio.c
@@ -280,7 +280,7 @@ JACK_CloseDevice(_THIS)
 }
 
 static int
-JACK_OpenDevice(_THIS, void *handle, const char *devname)
+JACK_OpenDevice(_THIS, const char *devname)
 {
     /* Note that JACK uses "output" for capture devices (they output audio
         data to us) and "input" for playback (we input audio data to them).
diff --git a/src/audio/nacl/SDL_naclaudio.c b/src/audio/nacl/SDL_naclaudio.c
index 14fcf9da0..bf48165f5 100644
--- a/src/audio/nacl/SDL_naclaudio.c
+++ b/src/audio/nacl/SDL_naclaudio.c
@@ -99,7 +99,7 @@ static void NACLAUDIO_CloseDevice(SDL_AudioDevice *device) {
 }
 
 static int
-NACLAUDIO_OpenDevice(_THIS, void *handle, const char *devname) {
+NACLAUDIO_OpenDevice(_THIS, const char *devname) {
     PP_Instance instance = PSGetInstanceId();
     const PPB_Audio *ppb_audio = PSInterfaceAudio();
     const PPB_AudioConfig *ppb_audiocfg = PSInterfaceAudioConfig();
diff --git a/src/audio/nas/SDL_nasaudio.c b/src/audio/nas/SDL_nasaudio.c
index adedb2e42..d6d863232 100644
--- a/src/audio/nas/SDL_nasaudio.c
+++ b/src/audio/nas/SDL_nasaudio.c
@@ -311,7 +311,7 @@ find_device(_THIS)
 }
 
 static int
-NAS_OpenDevice(_THIS, void *handle, const char *devname)
+NAS_OpenDevice(_THIS, const char *devname)
 {
     AuElement elms[3];
     int buffer_size;
diff --git a/src/audio/netbsd/SDL_netbsdaudio.c b/src/audio/netbsd/SDL_netbsdaudio.c
index 4e710d35a..6ff81578a 100644
--- a/src/audio/netbsd/SDL_netbsdaudio.c
+++ b/src/audio/netbsd/SDL_netbsdaudio.c
@@ -202,7 +202,7 @@ NETBSDAUDIO_CloseDevice(_THIS)
 }
 
 static int
-NETBSDAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+NETBSDAUDIO_OpenDevice(_THIS, const char *devname)
 {
     SDL_bool iscapture = this->iscapture;
     SDL_AudioFormat test_format;
diff --git a/src/audio/openslES/SDL_openslES.c b/src/audio/openslES/SDL_openslES.c
index 3190435ad..e0c732ba9 100644
--- a/src/audio/openslES/SDL_openslES.c
+++ b/src/audio/openslES/SDL_openslES.c
@@ -582,7 +582,7 @@ failed:
 }
 
 static int
-openslES_OpenDevice(_THIS, void *handle, const char *devname)
+openslES_OpenDevice(_THIS, const char *devname)
 {
     this->hidden = (struct SDL_PrivateAudioData *) SDL_calloc(1, (sizeof *this->hidden));
     if (this->hidden == NULL) {
diff --git a/src/audio/os2/SDL_os2audio.c b/src/audio/os2/SDL_os2audio.c
index 247d14aa8..9ddfb7607 100644
--- a/src/audio/os2/SDL_os2audio.c
+++ b/src/audio/os2/SDL_os2audio.c
@@ -248,7 +248,7 @@ static void OS2_CloseDevice(_THIS)
     SDL_free(pAData);
 }
 
-static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
+static int OS2_OpenDevice(_THIS, const char *devname)
 {
     SDL_PrivateAudioData *pAData;
     SDL_AudioFormat       test_format;
@@ -284,7 +284,7 @@ static int OS2_OpenDevice(_THIS, void *handle, const char *devname)
     }
 
     /* Open audio device */
-    stMCIAmpOpen.usDeviceID = (handle != NULL) ? ((ULONG)handle - 1) : 0;
+    stMCIAmpOpen.usDeviceID = (_this->handle != NULL) ? ((ULONG)_this->handle - 1) : 0;
     stMCIAmpOpen.pszDeviceType = (PSZ)MCI_DEVTYPE_AUDIO_AMPMIX;
     ulRC = mciSendCommand(0, MCI_OPEN,
                           (_getEnvULong("SDL_AUDIO_SHARE", 1, 0) != 0)?
diff --git a/src/audio/paudio/SDL_paudio.c b/src/audio/paudio/SDL_paudio.c
index 602aa6004..ae2fc2950 100644
--- a/src/audio/paudio/SDL_paudio.c
+++ b/src/audio/paudio/SDL_paudio.c
@@ -223,7 +223,7 @@ PAUDIO_CloseDevice(_THIS)
 }
 
 static int
-PAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+PAUDIO_OpenDevice(_THIS, const char *devname)
 {
     const char *workaround = SDL_getenv("SDL_DSP_NOSELECT");
     char audiodev[1024];
diff --git a/src/audio/pipewire/SDL_pipewire.c b/src/audio/pipewire/SDL_pipewire.c
index 171c40849..5a10b28a8 100644
--- a/src/audio/pipewire/SDL_pipewire.c
+++ b/src/audio/pipewire/SDL_pipewire.c
@@ -1027,7 +1027,7 @@ static const struct pw_stream_events stream_input_events  = { PW_VERSION_STREAM_
                                                              .process       = input_callback };
 
 static int
-PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname)
+PIPEWIRE_OpenDevice(_THIS, const char *devname)
 {
     /*
      * NOTE: The PW_STREAM_FLAG_RT_PROCESS flag can be set to call the stream
@@ -1108,7 +1108,7 @@ PIPEWIRE_OpenDevice(_THIS, void *handle, const char *devname)
         }
     }
 
-    SDL_snprintf(thread_name, sizeof(thread_name), "SDLAudio%c%ld", (iscapture) ? 'C' : 'P', (long)handle);
+    SDL_snprintf(thread_name, sizeof(thread_name), "SDLAudio%c%ld", (iscapture) ? 'C' : 'P', (long)this->handle);
     priv->loop = PIPEWIRE_pw_thread_loop_new(thread_name, NULL);
     if (priv->loop == NULL) {
         return SDL_SetError("Pipewire: Failed to create stream loop (%i)", errno);
diff --git a/src/audio/psp/SDL_pspaudio.c b/src/audio/psp/SDL_pspaudio.c
index 25ef44282..d908170c6 100644
--- a/src/audio/psp/SDL_pspaudio.c
+++ b/src/audio/psp/SDL_pspaudio.c
@@ -42,7 +42,7 @@
 #define PSPAUDIO_DRIVER_NAME    "psp"
 
 static int
-PSPAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+PSPAUDIO_OpenDevice(_THIS, const char *devname)
 {
     int format, mixlen, i;
 
diff --git a/src/audio/pulseaudio/SDL_pulseaudio.c b/src/audio/pulseaudio/SDL_pulseaudio.c
index 9f954ea86..a969f2b1f 100644
--- a/src/audio/pulseaudio/SDL_pulseaudio.c
+++ b/src/audio/pulseaudio/SDL_pulseaudio.c
@@ -544,7 +544,7 @@ FindDeviceName(struct SDL_PrivateAudioData *h, const SDL_bool iscapture, void *h
 }
 
 static int
-PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+PULSEAUDIO_OpenDevice(_THIS, const char *devname)
 {
     struct SDL_PrivateAudioData *h = NULL;
     SDL_AudioFormat test_format;
@@ -644,7 +644,7 @@ PULSEAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
         return SDL_SetError("Could not connect to PulseAudio server");
     }
 
-    if (!FindDeviceName(h, iscapture, handle)) {
+    if (!FindDeviceName(h, iscapture, this->handle)) {
         return SDL_SetError("Requested PulseAudio sink/source missing?");
     }
 
diff --git a/src/audio/qsa/SDL_qsa_audio.c b/src/audio/qsa/SDL_qsa_audio.c
index b940cde3d..5c4ab38ba 100644
--- a/src/audio/qsa/SDL_qsa_audio.c
+++ b/src/audio/qsa/SDL_qsa_audio.c
@@ -257,9 +257,9 @@ QSA_CloseDevice(_THIS)
 }
 
 static int
-QSA_OpenDevice(_THIS, void *handle, const char *devname)
+QSA_OpenDevice(_THIS, const char *devname)
 {
-    const QSA_Device *device = (const QSA_Device *) handle;
+    const QSA_Device *device = (const QSA_Device *) this->handle;
     SDL_Bool iscapture = this->iscapture;
     int status = 0;
     int format = 0;
diff --git a/src/audio/sndio/SDL_sndioaudio.c b/src/audio/sndio/SDL_sndioaudio.c
index 0c2507284..29e5315b9 100644
--- a/src/audio/sndio/SDL_sndioaudio.c
+++ b/src/audio/sndio/SDL_sndioaudio.c
@@ -237,7 +237,7 @@ SNDIO_CloseDevice(_THIS)
 }
 
 static int
-SNDIO_OpenDevice(_THIS, void *handle, const char *devname)
+SNDIO_OpenDevice(_THIS, const char *devname)
 {
     SDL_AudioFormat test_format;
     struct sio_par par;
diff --git a/src/audio/sun/SDL_sunaudio.c b/src/audio/sun/SDL_sunaudio.c
index f2680ebc3..595692423 100644
--- a/src/audio/sun/SDL_sunaudio.c
+++ b/src/audio/sun/SDL_sunaudio.c
@@ -188,7 +188,7 @@ SUNAUDIO_CloseDevice(_THIS)
 }
 
 static int
-SUNAUDIO_OpenDevice(_THIS, void *handle, const char *devname)
+SUNAUDIO_OpenDevice(_THIS, const char *devname)
 {
 #ifdef AUDIO_SETINFO
     int enc;
diff --git a/src/audio/vita/SDL_vitaaudio.c b/src/audio/vita/SDL_vitaaudio.c
index 8dd54e28d..524124e80 100644
--- a/src/audio/vita/SDL_vitaaudio.c
+++ b/src/audio/vita/SDL_vitaaudio.c
@@ -45,7 +45,7 @@
 #define VITAAUD_DRIVER_NAME     "vita"
 
 static int
-VITAAUD_OpenDevice(_THIS, void *handle, const char *devname)
+VITAAUD_OpenDevice(_THIS, const char *devname)
 {
     int format, mixlen, i, port = SCE_AUDIO_OUT_PORT_TYPE_MAIN;
     int vols[2] = {SCE_AUDIO_MAX_VOLUME, SCE_AUDIO_MAX_VOLUME};
diff --git a/src/audio/wasapi/SDL_wasapi.c b/src/audio/wasapi/SDL_wasapi.c
index 200674643..e7d640c12 100644
--- a/src/audio/wasapi/SDL_wasapi.c
+++ b/src/audio/wasapi/SDL_wasapi.c
@@ -636,9 +636,9 @@ WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
 
 
 static int
-WASAPI_OpenDevice(_THIS, void *handle, const char *devname)
+WASAPI_OpenDevice(_THIS, const char *devname)
 {
-    LPCWSTR devid = (LPCWSTR) handle;
+    LPCWSTR devid = (LPCWSTR) this->handle;
 
     /* Initialize all variables that we clean on shutdown */
     this->hidden = (struct SDL_PrivateAudioData *)
diff --git a/src/audio/winmm/SDL_winmm.c b/src/audio/winmm/SDL_winmm.c
index 23a8ce8b6..444d21576 100644
--- a/src/audio/winmm/SDL_winmm.c
+++ b/src/audio/winmm/SDL_winmm.c
@@ -283,10 +283,11 @@ PrepWaveFormat(_THIS, UINT devId, WAVEFORMATEX *pfmt, const int iscapture)
 }
 
 static int
-WINMM_OpenDevice(_THIS, void *handle, const char *devname)
+WINMM_OpenDevice(_THIS, const char *devname)
 {
     SDL_AudioFormat test_format;
     SDL_bool iscapture = this->iscapture;
+    void *handle = this->handle;
     MMRESULT result;
     WAVEFORMATEX waveformat;
     UINT devId = WAVE_MAPPER;  /* WAVE_MAPPER == choose system's default */