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wasapi: Reworked for new SDL3 audio API, other win32 fixes.

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The WinRT code has _also_ be updated, but it has not been
tested or compiled, yet.
This commit is contained in:
Ryan C. Gordon 2023-07-14 19:55:30 -04:00
parent dc04f85646
commit c58d95c343
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GPG key ID: FA148B892AB48044
10 changed files with 654 additions and 556 deletions
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58
src/audio/wasapi/SDL_wasapi_win32.c
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@ -49,7 +49,7 @@ static const IID SDL_IID_IAudioClient = { 0x1cb9ad4c, 0xdbfa, 0x4c32, { 0xb1, 0x
int WASAPI_PlatformInit(void)
{
if (SDL_IMMDevice_Init() < 0) {
if (SDL_IMMDevice_Init() < 0) { // this will call WIN_CoInitialize for us!
return -1; /* This is set by SDL_IMMDevice_Init */
}
@ -72,72 +72,65 @@ void WASAPI_PlatformDeinit(void)
pAvSetMmThreadCharacteristicsW = NULL;
pAvRevertMmThreadCharacteristics = NULL;
SDL_IMMDevice_Quit();
SDL_IMMDevice_Quit(); // This will call WIN_CoUninitialize for us!
}
void WASAPI_PlatformThreadInit(SDL_AudioDevice *_this)
void WASAPI_PlatformThreadInit(SDL_AudioDevice *device)
{
/* this thread uses COM. */
if (SUCCEEDED(WIN_CoInitialize())) { /* can't report errors, hope it worked! */
_this->hidden->coinitialized = SDL_TRUE;
device->hidden->coinitialized = SDL_TRUE;
}
/* Set this thread to very high "Pro Audio" priority. */
if (pAvSetMmThreadCharacteristicsW) {
DWORD idx = 0;
_this->hidden->task = pAvSetMmThreadCharacteristicsW(L"Pro Audio", &idx);
device->hidden->task = pAvSetMmThreadCharacteristicsW(L"Pro Audio", &idx);
}
}
void WASAPI_PlatformThreadDeinit(SDL_AudioDevice *_this)
void WASAPI_PlatformThreadDeinit(SDL_AudioDevice *device)
{
/* Set this thread back to normal priority. */
if (_this->hidden->task && pAvRevertMmThreadCharacteristics) {
pAvRevertMmThreadCharacteristics(_this->hidden->task);
_this->hidden->task = NULL;
if (device->hidden->task && pAvRevertMmThreadCharacteristics) {
pAvRevertMmThreadCharacteristics(device->hidden->task);
device->hidden->task = NULL;
}
if (_this->hidden->coinitialized) {
if (device->hidden->coinitialized) {
WIN_CoUninitialize();
_this->hidden->coinitialized = SDL_FALSE;
device->hidden->coinitialized = SDL_FALSE;
}
}
int WASAPI_ActivateDevice(SDL_AudioDevice *_this, const SDL_bool isrecovery)
int WASAPI_ActivateDevice(SDL_AudioDevice *device)
{
IMMDevice *device = NULL;
HRESULT ret;
if (SDL_IMMDevice_Get(_this->hidden->devid, &device, _this->iscapture) < 0) {
_this->hidden->client = NULL;
IMMDevice *immdevice = NULL;
if (SDL_IMMDevice_Get(device, &immdevice, device->iscapture) < 0) {
device->hidden->client = NULL;
return -1; /* This is already set by SDL_IMMDevice_Get */
}
/* this is not async in standard win32, yay! */
ret = IMMDevice_Activate(device, &SDL_IID_IAudioClient, CLSCTX_ALL, NULL, (void **)&_this->hidden->client);
IMMDevice_Release(device);
/* this is _not_ async in standard win32, yay! */
HRESULT ret = IMMDevice_Activate(immdevice, &SDL_IID_IAudioClient, CLSCTX_ALL, NULL, (void **)&device->hidden->client);
IMMDevice_Release(immdevice);
if (FAILED(ret)) {
SDL_assert(_this->hidden->client == NULL);
SDL_assert(device->hidden->client == NULL);
return WIN_SetErrorFromHRESULT("WASAPI can't activate audio endpoint", ret);
}
SDL_assert(_this->hidden->client != NULL);
if (WASAPI_PrepDevice(_this, isrecovery) == -1) { /* not async, fire it right away. */
SDL_assert(device->hidden->client != NULL);
if (WASAPI_PrepDevice(device) == -1) { /* not async, fire it right away. */
return -1;
}
return 0; /* good to go. */
}
void WASAPI_EnumerateEndpoints(void)
void WASAPI_EnumerateEndpoints(SDL_AudioDevice **default_output, SDL_AudioDevice **default_capture)
{
SDL_IMMDevice_EnumerateEndpoints(SDL_FALSE);
}
int WASAPI_GetDefaultAudioInfo(char **name, SDL_AudioSpec *spec, int iscapture)
{
return SDL_IMMDevice_GetDefaultAudioInfo(name, spec, iscapture);
SDL_IMMDevice_EnumerateEndpoints(default_output, default_capture);
}
void WASAPI_PlatformDeleteActivationHandler(void *handler)
@ -146,4 +139,9 @@ void WASAPI_PlatformDeleteActivationHandler(void *handler)
SDL_assert(!"This function should have only been called on WinRT.");
}
void WASAPI_PlatformFreeDeviceHandle(SDL_AudioDevice *device)
{
SDL_IMMDevice_FreeDeviceHandle(device);
}
#endif /* SDL_AUDIO_DRIVER_WASAPI && !defined(__WINRT__) */