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miniaudio
Commit fa8b0904 authored by David Reid's avatar David Reid
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DirectSound: Improve the way APIs are loaded. 

APIs are now per-context rather then per-device. This is leftover from
the no-context-API days.
parent f4daf077
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Showing with 47 additions and 79 deletions
mini_al.h
View file @ fa8b0904
......@@ -783,6 +783,10 @@ struct mal_context
struct
{
/*HMODULE*/ mal_handle hDSoundDLL;
mal_proc DirectSoundCreate;
mal_proc DirectSoundEnumerateA;
mal_proc DirectSoundCaptureCreate;
mal_proc DirectSoundCaptureEnumerateA;
} dsound;
#endif
#ifdef MAL_SUPPORT_WINMM
......@@ -1153,7 +1157,6 @@ struct mal_device
#ifdef MAL_SUPPORT_DSOUND
struct
{
/*HMODULE*/ mal_handle hDSoundDLL;
/*LPDIRECTSOUND*/ mal_ptr pPlayback;
/*LPDIRECTSOUNDBUFFER*/ mal_ptr pPlaybackPrimaryBuffer;
/*LPDIRECTSOUNDBUFFER*/ mal_ptr pPlaybackBuffer;
......@@ -4724,9 +4727,9 @@ static GUID MAL_GUID_NULL = {0x00000000, 0x0000, 0x0000
static GUID MAL_GUID_IID_DirectSoundNotify = {0xb0210783, 0x89cd, 0x11d0, {0xaf, 0x08, 0x00, 0xa0, 0xc9, 0x25, 0xcd, 0x16}};
static GUID MAL_GUID_IID_IDirectSoundCaptureBuffer = {0xb0210782, 0x89cd, 0x11d0, {0xaf, 0x08, 0x00, 0xa0, 0xc9, 0x25, 0xcd, 0x16}};
typedef HRESULT (WINAPI * mal_DirectSoundCreateProc)(const GUID* pcGuidDevice, LPDIRECTSOUND *ppDS8, LPUNKNOWN pUnkOuter);
typedef HRESULT (WINAPI * mal_DirectSoundEnumerateAProc)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
typedef HRESULT (WINAPI * mal_DirectSoundCaptureCreateProc)(const GUID* pcGuidDevice, LPDIRECTSOUNDCAPTURE *ppDSC8, LPUNKNOWN pUnkOuter);
typedef HRESULT (WINAPI * mal_DirectSoundCreateProc) (const GUID* pcGuidDevice, LPDIRECTSOUND *ppDS8, LPUNKNOWN pUnkOuter);
typedef HRESULT (WINAPI * mal_DirectSoundEnumerateAProc) (LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
typedef HRESULT (WINAPI * mal_DirectSoundCaptureCreateProc) (const GUID* pcGuidDevice, LPDIRECTSOUNDCAPTURE *ppDSC8, LPUNKNOWN pUnkOuter);
typedef HRESULT (WINAPI * mal_DirectSoundCaptureEnumerateAProc)(LPDSENUMCALLBACKA pDSEnumCallback, LPVOID pContext);
......@@ -4767,22 +4770,21 @@ static void mal_get_channels_from_speaker_config__dsound(DWORD speakerConfig, WO
}
static HMODULE mal_open_dsound_dll()
{
return LoadLibraryW(L"dsound.dll");
}
static void mal_close_dsound_dll(HMODULE hModule)
{
FreeLibrary(hModule);
}
mal_result mal_context_init__dsound(mal_context* pContext)
{
mal_assert(pContext != NULL);
(void)pContext;
pContext->dsound.hDSoundDLL = mal_dlopen("dsound.dll");
if (pContext->dsound.hDSoundDLL == NULL) {
return MAL_API_NOT_FOUND;
}
pContext->dsound.DirectSoundCreate = mal_dlsym(pContext->dsound.hDSoundDLL, "DirectSoundCreate");
pContext->dsound.DirectSoundEnumerateA = mal_dlsym(pContext->dsound.hDSoundDLL, "DirectSoundEnumerateA");
pContext->dsound.DirectSoundCaptureCreate = mal_dlsym(pContext->dsound.hDSoundDLL, "DirectSoundCaptureCreate");
pContext->dsound.DirectSoundCaptureEnumerateA = mal_dlsym(pContext->dsound.hDSoundDLL, "DirectSoundCaptureEnumerateA");
return MAL_SUCCESS;
}
......@@ -4791,7 +4793,8 @@ mal_result mal_context_uninit__dsound(mal_context* pContext)
mal_assert(pContext != NULL);
mal_assert(pContext->backend == mal_backend_dsound);
(void)pContext;
mal_dlclose(pContext->dsound.hDSoundDLL);
return MAL_SUCCESS;
}
......@@ -4844,26 +4847,12 @@ static mal_result mal_enumerate_devices__dsound(mal_context* pContext, mal_devic
enumData.infoCount = infoSize;
enumData.pInfo = pInfo;
HMODULE dsoundDLL = mal_open_dsound_dll();
if (dsoundDLL == NULL) {
return MAL_NO_BACKEND;
}
if (type == mal_device_type_playback) {
mal_DirectSoundEnumerateAProc pDirectSoundEnumerateA = (mal_DirectSoundEnumerateAProc)GetProcAddress(dsoundDLL, "DirectSoundEnumerateA");
if (pDirectSoundEnumerateA) {
pDirectSoundEnumerateA(mal_enum_devices_callback__dsound, &enumData);
}
((mal_DirectSoundEnumerateAProc)pContext->dsound.DirectSoundEnumerateA)(mal_enum_devices_callback__dsound, &enumData);
} else {
mal_DirectSoundCaptureEnumerateAProc pDirectSoundCaptureEnumerateA = (mal_DirectSoundCaptureEnumerateAProc)GetProcAddress(dsoundDLL, "DirectSoundCaptureEnumerateA");
if (pDirectSoundCaptureEnumerateA) {
pDirectSoundCaptureEnumerateA(mal_enum_devices_callback__dsound, &enumData);
}
((mal_DirectSoundCaptureEnumerateAProc)pContext->dsound.DirectSoundCaptureEnumerateA)(mal_enum_devices_callback__dsound, &enumData);
}
mal_close_dsound_dll(dsoundDLL);
*pCount = enumData.deviceCount;
return MAL_SUCCESS;
}
......@@ -4872,38 +4861,34 @@ static void mal_device_uninit__dsound(mal_device* pDevice)
{
mal_assert(pDevice != NULL);
if (pDevice->dsound.hDSoundDLL != NULL) {
if (pDevice->dsound.pNotify) {
IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)pDevice->dsound.pNotify);
}
if (pDevice->dsound.hStopEvent) {
CloseHandle(pDevice->dsound.hStopEvent);
}
for (mal_uint32 i = 0; i < pDevice->periods; ++i) {
if (pDevice->dsound.pNotifyEvents[i]) {
CloseHandle(pDevice->dsound.pNotifyEvents[i]);
}
}
if (pDevice->dsound.pNotify) {
IDirectSoundNotify_Release((LPDIRECTSOUNDNOTIFY)pDevice->dsound.pNotify);
}
if (pDevice->dsound.pCaptureBuffer) {
IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pCaptureBuffer);
}
if (pDevice->dsound.pCapture) {
IDirectSoundCapture_Release((LPDIRECTSOUNDCAPTURE)pDevice->dsound.pCapture);
if (pDevice->dsound.hStopEvent) {
CloseHandle(pDevice->dsound.hStopEvent);
}
for (mal_uint32 i = 0; i < pDevice->periods; ++i) {
if (pDevice->dsound.pNotifyEvents[i]) {
CloseHandle(pDevice->dsound.pNotifyEvents[i]);
}
}
if (pDevice->dsound.pPlaybackBuffer) {
IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackBuffer);
}
if (pDevice->dsound.pPlaybackPrimaryBuffer) {
IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackPrimaryBuffer);
}
if (pDevice->dsound.pPlayback != NULL) {
IDirectSound_Release((LPDIRECTSOUND)pDevice->dsound.pPlayback);
}
if (pDevice->dsound.pCaptureBuffer) {
IDirectSoundCaptureBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pCaptureBuffer);
}
if (pDevice->dsound.pCapture) {
IDirectSoundCapture_Release((LPDIRECTSOUNDCAPTURE)pDevice->dsound.pCapture);
}
mal_close_dsound_dll((HMODULE)pDevice->dsound.hDSoundDLL);
if (pDevice->dsound.pPlaybackBuffer) {
IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackBuffer);
}
if (pDevice->dsound.pPlaybackPrimaryBuffer) {
IDirectSoundBuffer_Release((LPDIRECTSOUNDBUFFER)pDevice->dsound.pPlaybackPrimaryBuffer);
}
if (pDevice->dsound.pPlayback != NULL) {
IDirectSound_Release((LPDIRECTSOUND)pDevice->dsound.pPlayback);
}
}
......@@ -4922,11 +4907,6 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
mal_assert(pDevice != NULL);
mal_zero_object(&pDevice->dsound);
pDevice->dsound.hDSoundDLL = (mal_handle)mal_open_dsound_dll();
if (pDevice->dsound.hDSoundDLL == NULL) {
return MAL_NO_BACKEND;
}
// Check that we have a valid format.
GUID subformat;
switch (pConfig->format)
......@@ -4967,13 +4947,7 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
// Unfortunately DirectSound uses different APIs and data structures for playback and catpure devices :(
if (type == mal_device_type_playback) {
mal_DirectSoundCreateProc pDirectSoundCreate = (mal_DirectSoundCreateProc)GetProcAddress((HMODULE)pDevice->dsound.hDSoundDLL, "DirectSoundCreate");
if (pDirectSoundCreate == NULL) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] Could not find DirectSoundCreate().", MAL_API_NOT_FOUND);
}
if (FAILED(pDirectSoundCreate((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, (LPDIRECTSOUND*)&pDevice->dsound.pPlayback, NULL))) {
if (FAILED(((mal_DirectSoundCreateProc)pContext->dsound.DirectSoundCreate)((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, (LPDIRECTSOUND*)&pDevice->dsound.pPlayback, NULL))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] DirectSoundCreate() failed for playback device.", MAL_DSOUND_FAILED_TO_CREATE_DEVICE);
}
......@@ -5104,13 +5078,7 @@ static mal_result mal_device_init__dsound(mal_context* pContext, mal_device_type
pDevice->bufferSizeInFrames *= 2; // <-- Might need to fiddle with this to find a more ideal value. May even be able to just add a fixed amount rather than scaling.
}
mal_DirectSoundCaptureCreateProc pDirectSoundCaptureCreate = (mal_DirectSoundCaptureCreateProc)GetProcAddress((HMODULE)pDevice->dsound.hDSoundDLL, "DirectSoundCaptureCreate");
if (pDirectSoundCaptureCreate == NULL) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] Could not find DirectSoundCreate().", MAL_API_NOT_FOUND);
}
if (FAILED(pDirectSoundCaptureCreate((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, (LPDIRECTSOUNDCAPTURE*)&pDevice->dsound.pCapture, NULL))) {
if (FAILED(((mal_DirectSoundCaptureCreateProc)pContext->dsound.DirectSoundCaptureCreate)((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, (LPDIRECTSOUNDCAPTURE*)&pDevice->dsound.pCapture, NULL))) {
mal_device_uninit__dsound(pDevice);
return mal_post_error(pDevice, "[DirectSound] DirectSoundCaptureCreate() failed for capture device.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
......
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