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dsound_main.c
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dsound_main.c
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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Most thread locking is complete. There may be a few race
* conditions still lurking.
*
* TODO:
* Implement SetCooperativeLevel properly (need to address focus issues)
* Implement DirectSound3DBuffers (stubs in place)
* Use hardware 3D support if available
* Add critical section locking inside Release and AddRef methods
* Handle static buffers - put those in hardware, non-static not in hardware
* Hardware DuplicateSoundBuffer
* Proper volume calculation for 3d buffers
* Remove DS_HEL_FRAGS and use mixer fragment length for it
*/
#define CONST_VTABLE
#define INITGUID
#include <stdarg.h>
#include <string.h>
#include <windows.h>
#include <dsound.h>
#include <mmsystem.h>
#include <mmdeviceapi.h>
#include <devpropdef.h>
#include "dsound_private.h"
#include "eax-presets.h"
#ifndef DECLSPEC_EXPORT
#ifdef _WIN32
#define DECLSPEC_EXPORT __declspec(dllexport)
#else
#define DECLSPEC_EXPORT
#endif
#endif
int LogLevel = 1;
FILE *LogFile;
float RolloffFudgeFactor = 1.0f / 3.0f;
typedef struct DeviceList {
GUID *Guids;
size_t Count;
} DeviceList;
static DeviceList PlaybackDevices = { NULL, 0 };
static DeviceList CaptureDevices = { NULL, 0 };
const WCHAR aldriver_name[] = L"dsoal-aldrv.dll";
const EAXREVERBPROPERTIES EnvironmentDefaults[EAX_ENVIRONMENT_UNDEFINED] = {
REVERB_PRESET_GENERIC,
REVERB_PRESET_PADDEDCELL,
REVERB_PRESET_ROOM,
REVERB_PRESET_BATHROOM,
REVERB_PRESET_LIVINGROOM,
REVERB_PRESET_STONEROOM,
REVERB_PRESET_AUDITORIUM,
REVERB_PRESET_CONCERTHALL,
REVERB_PRESET_CAVE,
REVERB_PRESET_ARENA,
REVERB_PRESET_HANGAR,
REVERB_PRESET_CARPETEDHALLWAY,
REVERB_PRESET_HALLWAY,
REVERB_PRESET_STONECORRIDOR,
REVERB_PRESET_ALLEY,
REVERB_PRESET_FOREST,
REVERB_PRESET_CITY,
REVERB_PRESET_MOUNTAINS,
REVERB_PRESET_QUARRY,
REVERB_PRESET_PLAIN,
REVERB_PRESET_PARKINGLOT,
REVERB_PRESET_SEWERPIPE,
REVERB_PRESET_UNDERWATER,
REVERB_PRESET_DRUGGED,
REVERB_PRESET_DIZZY,
REVERB_PRESET_PSYCHOTIC
};
CRITICAL_SECTION openal_crst;
int openal_loaded = 0;
static HANDLE openal_handle = NULL;
LPALCCREATECONTEXT palcCreateContext = NULL;
LPALCMAKECONTEXTCURRENT palcMakeContextCurrent = NULL;
LPALCPROCESSCONTEXT palcProcessContext = NULL;
LPALCSUSPENDCONTEXT palcSuspendContext = NULL;
LPALCDESTROYCONTEXT palcDestroyContext = NULL;
LPALCGETCURRENTCONTEXT palcGetCurrentContext = NULL;
LPALCGETCONTEXTSDEVICE palcGetContextsDevice = NULL;
LPALCOPENDEVICE palcOpenDevice = NULL;
LPALCCLOSEDEVICE palcCloseDevice = NULL;
LPALCGETERROR palcGetError = NULL;
LPALCISEXTENSIONPRESENT palcIsExtensionPresent = NULL;
LPALCGETPROCADDRESS palcGetProcAddress = NULL;
LPALCGETENUMVALUE palcGetEnumValue = NULL;
LPALCGETSTRING palcGetString = NULL;
LPALCGETINTEGERV palcGetIntegerv = NULL;
LPALCCAPTUREOPENDEVICE palcCaptureOpenDevice = NULL;
LPALCCAPTURECLOSEDEVICE palcCaptureCloseDevice = NULL;
LPALCCAPTURESTART palcCaptureStart = NULL;
LPALCCAPTURESTOP palcCaptureStop = NULL;
LPALCCAPTURESAMPLES palcCaptureSamples = NULL;
LPALENABLE palEnable = NULL;
LPALDISABLE palDisable = NULL;
LPALISENABLED palIsEnabled = NULL;
LPALGETSTRING palGetString = NULL;
LPALGETBOOLEANV palGetBooleanv = NULL;
LPALGETINTEGERV palGetIntegerv = NULL;
LPALGETFLOATV palGetFloatv = NULL;
LPALGETDOUBLEV palGetDoublev = NULL;
LPALGETBOOLEAN palGetBoolean = NULL;
LPALGETINTEGER palGetInteger = NULL;
LPALGETFLOAT palGetFloat = NULL;
LPALGETDOUBLE palGetDouble = NULL;
LPALGETERROR palGetError = NULL;
LPALISEXTENSIONPRESENT palIsExtensionPresent = NULL;
LPALGETPROCADDRESS palGetProcAddress = NULL;
LPALGETENUMVALUE palGetEnumValue = NULL;
LPALLISTENERF palListenerf = NULL;
LPALLISTENER3F palListener3f = NULL;
LPALLISTENERFV palListenerfv = NULL;
LPALLISTENERI palListeneri = NULL;
LPALLISTENER3I palListener3i = NULL;
LPALLISTENERIV palListeneriv = NULL;
LPALGETLISTENERF palGetListenerf = NULL;
LPALGETLISTENER3F palGetListener3f = NULL;
LPALGETLISTENERFV palGetListenerfv = NULL;
LPALGETLISTENERI palGetListeneri = NULL;
LPALGETLISTENER3I palGetListener3i = NULL;
LPALGETLISTENERIV palGetListeneriv = NULL;
LPALGENSOURCES palGenSources = NULL;
LPALDELETESOURCES palDeleteSources = NULL;
LPALISSOURCE palIsSource = NULL;
LPALSOURCEF palSourcef = NULL;
LPALSOURCE3F palSource3f = NULL;
LPALSOURCEFV palSourcefv = NULL;
LPALSOURCEI palSourcei = NULL;
LPALSOURCE3I palSource3i = NULL;
LPALSOURCEIV palSourceiv = NULL;
LPALGETSOURCEF palGetSourcef = NULL;
LPALGETSOURCE3F palGetSource3f = NULL;
LPALGETSOURCEFV palGetSourcefv = NULL;
LPALGETSOURCEI palGetSourcei = NULL;
LPALGETSOURCE3I palGetSource3i = NULL;
LPALGETSOURCEIV palGetSourceiv = NULL;
LPALSOURCEPLAYV palSourcePlayv = NULL;
LPALSOURCESTOPV palSourceStopv = NULL;
LPALSOURCEREWINDV palSourceRewindv = NULL;
LPALSOURCEPAUSEV palSourcePausev = NULL;
LPALSOURCEPLAY palSourcePlay = NULL;
LPALSOURCESTOP palSourceStop = NULL;
LPALSOURCEREWIND palSourceRewind = NULL;
LPALSOURCEPAUSE palSourcePause = NULL;
LPALSOURCEQUEUEBUFFERS palSourceQueueBuffers = NULL;
LPALSOURCEUNQUEUEBUFFERS palSourceUnqueueBuffers = NULL;
LPALGENBUFFERS palGenBuffers = NULL;
LPALDELETEBUFFERS palDeleteBuffers = NULL;
LPALISBUFFER palIsBuffer = NULL;
LPALBUFFERF palBufferf = NULL;
LPALBUFFER3F palBuffer3f = NULL;
LPALBUFFERFV palBufferfv = NULL;
LPALBUFFERI palBufferi = NULL;
LPALBUFFER3I palBuffer3i = NULL;
LPALBUFFERIV palBufferiv = NULL;
LPALGETBUFFERF palGetBufferf = NULL;
LPALGETBUFFER3F palGetBuffer3f = NULL;
LPALGETBUFFERFV palGetBufferfv = NULL;
LPALGETBUFFERI palGetBufferi = NULL;
LPALGETBUFFER3I palGetBuffer3i = NULL;
LPALGETBUFFERIV palGetBufferiv = NULL;
LPALBUFFERDATA palBufferData = NULL;
LPALDOPPLERFACTOR palDopplerFactor = NULL;
LPALDOPPLERVELOCITY palDopplerVelocity = NULL;
LPALDISTANCEMODEL palDistanceModel = NULL;
LPALSPEEDOFSOUND palSpeedOfSound = NULL;
LPALGENFILTERS palGenFilters = NULL;
LPALDELETEFILTERS palDeleteFilters = NULL;
LPALFILTERI palFilteri = NULL;
LPALFILTERF palFilterf = NULL;
LPALGENEFFECTS palGenEffects = NULL;
LPALDELETEEFFECTS palDeleteEffects = NULL;
LPALEFFECTI palEffecti = NULL;
LPALEFFECTF palEffectf = NULL;
LPALEFFECTFV palEffectfv = NULL;
LPALGENAUXILIARYEFFECTSLOTS palGenAuxiliaryEffectSlots = NULL;
LPALDELETEAUXILIARYEFFECTSLOTS palDeleteAuxiliaryEffectSlots = NULL;
LPALAUXILIARYEFFECTSLOTI palAuxiliaryEffectSloti = NULL;
LPALAUXILIARYEFFECTSLOTF palAuxiliaryEffectSlotf = NULL;
LPALDEFERUPDATESSOFT palDeferUpdatesSOFT = NULL;
LPALPROCESSUPDATESSOFT palProcessUpdatesSOFT = NULL;
LPALBUFFERSTORAGESOFT palBufferStorageSOFT = NULL;
LPALMAPBUFFERSOFT palMapBufferSOFT = NULL;
LPALUNMAPBUFFERSOFT palUnmapBufferSOFT = NULL;
LPALFLUSHMAPPEDBUFFERSOFT palFlushMappedBufferSOFT = NULL;
LPALCMAKECONTEXTCURRENT set_context;
LPALCGETCURRENTCONTEXT get_context;
BOOL local_contexts;
static void AL_APIENTRY wrap_DeferUpdates(void)
{ alcSuspendContext(alcGetCurrentContext()); }
static void AL_APIENTRY wrap_ProcessUpdates(void)
{ alcProcessContext(alcGetCurrentContext()); }
static void EnterALSectionTLS(ALCcontext *ctx);
static void LeaveALSectionTLS(void);
static void EnterALSectionGlob(ALCcontext *ctx);
static void LeaveALSectionGlob(void);
DWORD TlsThreadPtr;
void (*EnterALSection)(ALCcontext *ctx) = EnterALSectionGlob;
void (*LeaveALSection)(void) = LeaveALSectionGlob;
static BOOL load_libopenal(void)
{
BOOL failed = FALSE;
const char *str;
str = getenv("DSOAL_LOGLEVEL");
if(str && *str)
LogLevel = atoi(str);
openal_handle = LoadLibraryW(aldriver_name);
if(!openal_handle)
{
ERR("Couldn't load %ls: %lu\n", aldriver_name, GetLastError());
return FALSE;
}
#define LOAD_FUNCPTR(f) do { \
union { void *ptr; FARPROC *proc; } func = { &p##f }; \
if((*func.proc = GetProcAddress(openal_handle, #f)) == NULL) \
{ \
ERR("Couldn't lookup %s in %ls\n", #f, aldriver_name); \
failed = TRUE; \
} \
} while(0)
LOAD_FUNCPTR(alcCreateContext);
LOAD_FUNCPTR(alcMakeContextCurrent);
LOAD_FUNCPTR(alcProcessContext);
LOAD_FUNCPTR(alcSuspendContext);
LOAD_FUNCPTR(alcDestroyContext);
LOAD_FUNCPTR(alcGetCurrentContext);
LOAD_FUNCPTR(alcGetContextsDevice);
LOAD_FUNCPTR(alcOpenDevice);
LOAD_FUNCPTR(alcCloseDevice);
LOAD_FUNCPTR(alcGetError);
LOAD_FUNCPTR(alcIsExtensionPresent);
LOAD_FUNCPTR(alcGetProcAddress);
LOAD_FUNCPTR(alcGetEnumValue);
LOAD_FUNCPTR(alcGetString);
LOAD_FUNCPTR(alcGetIntegerv);
LOAD_FUNCPTR(alcCaptureOpenDevice);
LOAD_FUNCPTR(alcCaptureCloseDevice);
LOAD_FUNCPTR(alcCaptureStart);
LOAD_FUNCPTR(alcCaptureStop);
LOAD_FUNCPTR(alcCaptureSamples);
LOAD_FUNCPTR(alEnable);
LOAD_FUNCPTR(alDisable);
LOAD_FUNCPTR(alIsEnabled);
LOAD_FUNCPTR(alGetString);
LOAD_FUNCPTR(alGetBooleanv);
LOAD_FUNCPTR(alGetIntegerv);
LOAD_FUNCPTR(alGetFloatv);
LOAD_FUNCPTR(alGetDoublev);
LOAD_FUNCPTR(alGetBoolean);
LOAD_FUNCPTR(alGetInteger);
LOAD_FUNCPTR(alGetFloat);
LOAD_FUNCPTR(alGetDouble);
LOAD_FUNCPTR(alGetError);
LOAD_FUNCPTR(alIsExtensionPresent);
LOAD_FUNCPTR(alGetProcAddress);
LOAD_FUNCPTR(alGetEnumValue);
LOAD_FUNCPTR(alListenerf);
LOAD_FUNCPTR(alListener3f);
LOAD_FUNCPTR(alListenerfv);
LOAD_FUNCPTR(alListeneri);
LOAD_FUNCPTR(alListener3i);
LOAD_FUNCPTR(alListeneriv);
LOAD_FUNCPTR(alGetListenerf);
LOAD_FUNCPTR(alGetListener3f);
LOAD_FUNCPTR(alGetListenerfv);
LOAD_FUNCPTR(alGetListeneri);
LOAD_FUNCPTR(alGetListener3i);
LOAD_FUNCPTR(alGetListeneriv);
LOAD_FUNCPTR(alGenSources);
LOAD_FUNCPTR(alDeleteSources);
LOAD_FUNCPTR(alIsSource);
LOAD_FUNCPTR(alSourcef);
LOAD_FUNCPTR(alSource3f);
LOAD_FUNCPTR(alSourcefv);
LOAD_FUNCPTR(alSourcei);
LOAD_FUNCPTR(alSource3i);
LOAD_FUNCPTR(alSourceiv);
LOAD_FUNCPTR(alGetSourcef);
LOAD_FUNCPTR(alGetSource3f);
LOAD_FUNCPTR(alGetSourcefv);
LOAD_FUNCPTR(alGetSourcei);
LOAD_FUNCPTR(alGetSource3i);
LOAD_FUNCPTR(alGetSourceiv);
LOAD_FUNCPTR(alSourcePlayv);
LOAD_FUNCPTR(alSourceStopv);
LOAD_FUNCPTR(alSourceRewindv);
LOAD_FUNCPTR(alSourcePausev);
LOAD_FUNCPTR(alSourcePlay);
LOAD_FUNCPTR(alSourceStop);
LOAD_FUNCPTR(alSourceRewind);
LOAD_FUNCPTR(alSourcePause);
LOAD_FUNCPTR(alSourceQueueBuffers);
LOAD_FUNCPTR(alSourceUnqueueBuffers);
LOAD_FUNCPTR(alGenBuffers);
LOAD_FUNCPTR(alDeleteBuffers);
LOAD_FUNCPTR(alIsBuffer);
LOAD_FUNCPTR(alBufferf);
LOAD_FUNCPTR(alBuffer3f);
LOAD_FUNCPTR(alBufferfv);
LOAD_FUNCPTR(alBufferi);
LOAD_FUNCPTR(alBuffer3i);
LOAD_FUNCPTR(alBufferiv);
LOAD_FUNCPTR(alGetBufferf);
LOAD_FUNCPTR(alGetBuffer3f);
LOAD_FUNCPTR(alGetBufferfv);
LOAD_FUNCPTR(alGetBufferi);
LOAD_FUNCPTR(alGetBuffer3i);
LOAD_FUNCPTR(alGetBufferiv);
LOAD_FUNCPTR(alBufferData);
LOAD_FUNCPTR(alDopplerFactor);
LOAD_FUNCPTR(alDopplerVelocity);
LOAD_FUNCPTR(alDistanceModel);
LOAD_FUNCPTR(alSpeedOfSound);
#undef LOAD_FUNCPTR
if (failed)
{
WARN("Unloading %ls\n", aldriver_name);
if (openal_handle != NULL)
FreeLibrary(openal_handle);
openal_handle = NULL;
return FALSE;
}
openal_loaded = 1;
TRACE("Loaded %ls\n", aldriver_name);
#define LOAD_FUNCPTR(f) p##f = alcGetProcAddress(NULL, #f)
LOAD_FUNCPTR(alGenFilters);
LOAD_FUNCPTR(alDeleteFilters);
LOAD_FUNCPTR(alFilteri);
LOAD_FUNCPTR(alFilterf);
LOAD_FUNCPTR(alGenEffects);
LOAD_FUNCPTR(alDeleteEffects);
LOAD_FUNCPTR(alEffecti);
LOAD_FUNCPTR(alEffectf);
LOAD_FUNCPTR(alEffectfv);
LOAD_FUNCPTR(alGenAuxiliaryEffectSlots);
LOAD_FUNCPTR(alDeleteAuxiliaryEffectSlots);
LOAD_FUNCPTR(alAuxiliaryEffectSloti);
LOAD_FUNCPTR(alAuxiliaryEffectSlotf);
LOAD_FUNCPTR(alDeferUpdatesSOFT);
LOAD_FUNCPTR(alProcessUpdatesSOFT);
LOAD_FUNCPTR(alBufferStorageSOFT);
LOAD_FUNCPTR(alMapBufferSOFT);
LOAD_FUNCPTR(alUnmapBufferSOFT);
LOAD_FUNCPTR(alFlushMappedBufferSOFT);
#undef LOAD_FUNCPTR
if(!palDeferUpdatesSOFT || !palProcessUpdatesSOFT)
{
palDeferUpdatesSOFT = wrap_DeferUpdates;
palProcessUpdatesSOFT = wrap_ProcessUpdates;
}
local_contexts = alcIsExtensionPresent(NULL, "ALC_EXT_thread_local_context");
if(local_contexts)
{
TRACE("Found ALC_EXT_thread_local_context\n");
set_context = alcGetProcAddress(NULL, "alcSetThreadContext");
get_context = alcGetProcAddress(NULL, "alcGetThreadContext");
if(!set_context || !get_context)
{
ERR("TLS advertised but functions not found, disabling thread local contexts\n");
local_contexts = 0;
}
}
if(!local_contexts)
{
set_context = alcMakeContextCurrent;
get_context = alcGetCurrentContext;
}
else
{
EnterALSection = EnterALSectionTLS;
LeaveALSection = LeaveALSectionTLS;
}
return TRUE;
}
static void EnterALSectionTLS(ALCcontext *ctx)
{
if(LIKELY(ctx == TlsGetValue(TlsThreadPtr)))
return;
if(LIKELY(set_context(ctx) != ALC_FALSE))
TlsSetValue(TlsThreadPtr, ctx);
else
{
ERR("Couldn't set current context!!\n");
checkALCError(alcGetContextsDevice(ctx));
}
}
static void LeaveALSectionTLS(void)
{
}
static void EnterALSectionGlob(ALCcontext *ctx)
{
EnterCriticalSection(&openal_crst);
if(UNLIKELY(alcMakeContextCurrent(ctx) == ALC_FALSE))
{
ERR("Couldn't set current context!!\n");
checkALCError(alcGetContextsDevice(ctx));
}
}
static void LeaveALSectionGlob(void)
{
LeaveCriticalSection(&openal_crst);
}
static const char *get_device_id(LPCGUID pGuid)
{
if(IsEqualGUID(&DSDEVID_DefaultPlayback, pGuid))
return "DSDEVID_DefaultPlayback";
if(IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuid))
return "DSDEVID_DefaultVoicePlayback";
if(IsEqualGUID(&DSDEVID_DefaultCapture, pGuid))
return "DSDEVID_DefaultCapture";
if(IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuid))
return "DSDEVID_DefaultVoiceCapture";
return debugstr_guid(pGuid);
}
#ifdef _MSC_VER
const CLSID CLSID_MMDeviceEnumerator = {
0xBCDE0395,
0xE52F, 0x467C,
{ 0x8E, 0x3D, 0xC4, 0x57, 0x92, 0x91, 0x69, 0x2E }
};
const IID IID_IMMDeviceEnumerator = {
0xA95664D2,
0x9614, 0x4F35,
{ 0xA7, 0x46, 0xDE, 0x8D, 0xB6, 0x36, 0x17, 0xE6 }
};
#endif
static HRESULT get_mmdevenum(IMMDeviceEnumerator **devenum)
{
HRESULT hr, init_hr;
init_hr = CoInitialize(NULL);
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL,
CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)devenum);
if(FAILED(hr))
{
if(SUCCEEDED(init_hr))
CoUninitialize();
*devenum = NULL;
ERR("CoCreateInstance failed: %08lx\n", hr);
return hr;
}
return init_hr;
}
static void release_mmdevenum(IMMDeviceEnumerator *devenum, HRESULT init_hr)
{
IMMDeviceEnumerator_Release(devenum);
if(SUCCEEDED(init_hr))
CoUninitialize();
}
static HRESULT get_mmdevice_guid(IMMDevice *device, IPropertyStore *ps, GUID *guid)
{
PROPVARIANT pv;
HRESULT hr;
if(ps)
IPropertyStore_AddRef(ps);
else
{
hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps);
if(FAILED(hr))
{
WARN("OpenPropertyStore failed: %08lx\n", hr);
return hr;
}
}
PropVariantInit(&pv);
hr = IPropertyStore_GetValue(ps, &PKEY_AudioEndpoint_GUID, &pv);
if(FAILED(hr))
{
IPropertyStore_Release(ps);
WARN("GetValue(GUID) failed: %08lx\n", hr);
return hr;
}
CLSIDFromString(pv.pwszVal, guid);
PropVariantClear(&pv);
IPropertyStore_Release(ps);
return S_OK;
}
static BOOL send_device(IMMDevice *device, EDataFlow flow, DeviceList *devlist, PRVTENUMCALLBACK cb, void *user)
{
IPropertyStore *ps;
PROPVARIANT pv;
BOOL keep_going;
size_t dev_count;
HRESULT hr;
GUID guid;
PropVariantInit(&pv);
hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps);
if(FAILED(hr))
{
WARN("OpenPropertyStore failed: %08lx\n", hr);
return TRUE;
}
hr = get_mmdevice_guid(device, ps, &guid);
if(FAILED(hr) || (devlist->Count > 0 && IsEqualGUID(&devlist->Guids[0], &guid)))
{
IPropertyStore_Release(ps);
return TRUE;
}
hr = IPropertyStore_GetValue(ps, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv);
if(FAILED(hr))
{
IPropertyStore_Release(ps);
WARN("GetValue(FriendlyName) failed: %08lx\n", hr);
return TRUE;
}
dev_count = devlist->Count++;
devlist->Guids[dev_count] = guid;
keep_going = FALSE;
if(cb)
{
TRACE("Calling back with %s - %ls\n", debugstr_guid(&devlist->Guids[dev_count]),
pv.pwszVal);
keep_going = cb(flow, &devlist->Guids[dev_count], pv.pwszVal, aldriver_name, user);
}
PropVariantClear(&pv);
IPropertyStore_Release(ps);
return keep_going;
}
HRESULT get_mmdevice(EDataFlow flow, const GUID *tgt, IMMDevice **device)
{
IMMDeviceEnumerator *devenum;
IMMDeviceCollection *coll;
UINT count, i;
HRESULT hr, init_hr;
init_hr = get_mmdevenum(&devenum);
if(!devenum) return init_hr;
hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flow, DEVICE_STATE_ACTIVE, &coll);
if(FAILED(hr))
{
WARN("EnumAudioEndpoints failed: %08lx\n", hr);
release_mmdevenum(devenum, init_hr);
return hr;
}
hr = IMMDeviceCollection_GetCount(coll, &count);
if(FAILED(hr))
{
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
WARN("GetCount failed: %08lx\n", hr);
return hr;
}
for(i = 0; i < count;++i)
{
GUID guid;
hr = IMMDeviceCollection_Item(coll, i, device);
if(FAILED(hr)) continue;
hr = get_mmdevice_guid(*device, NULL, &guid);
if(FAILED(hr))
{
IMMDevice_Release(*device);
continue;
}
if(IsEqualGUID(&guid, tgt))
{
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
return DS_OK;
}
IMMDevice_Release(*device);
}
WARN("No device with GUID %s found!\n", debugstr_guid(tgt));
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
return DSERR_INVALIDPARAM;
}
/* S_FALSE means the callback returned FALSE at some point
* S_OK means the callback always returned TRUE */
HRESULT enumerate_mmdevices(EDataFlow flow, PRVTENUMCALLBACK cb, void *user)
{
static const WCHAR primary_desc[] = L"Primary Sound Driver";
IMMDeviceEnumerator *devenum;
IMMDeviceCollection *coll;
IMMDevice *device;
DeviceList *devlist;
UINT count, i;
BOOL keep_going;
HRESULT hr, init_hr;
init_hr = get_mmdevenum(&devenum);
if(!devenum) return init_hr;
hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flow, DEVICE_STATE_ACTIVE, &coll);
if(FAILED(hr))
{
release_mmdevenum(devenum, init_hr);
WARN("EnumAudioEndpoints failed: %08lx\n", hr);
return DS_OK;
}
hr = IMMDeviceCollection_GetCount(coll, &count);
if(FAILED(hr))
{
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
WARN("GetCount failed: %08lx\n", hr);
return DS_OK;
}
if(count == 0)
{
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
return DS_OK;
}
devlist = (flow==eCapture) ? &CaptureDevices : &PlaybackDevices;
HeapFree(GetProcessHeap(), 0, devlist->Guids);
devlist->Count = 0;
devlist->Guids = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(devlist->Guids[0])*count);
TRACE("Calling back with NULL (%ls)\n", primary_desc);
keep_going = cb(flow, NULL, primary_desc, L"", user);
/* always send the default device first */
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, flow, eMultimedia, &device);
if(SUCCEEDED(hr))
{
if(!keep_going) cb = NULL;
keep_going = send_device(device, flow, devlist, cb, user);
IMMDevice_Release(device);
}
for(i = 0;i < count;++i)
{
if(!keep_going)
cb = NULL;
hr = IMMDeviceCollection_Item(coll, i, &device);
if(FAILED(hr))
{
WARN("Item failed: %08lx\n", hr);
continue;
}
keep_going = send_device(device, flow, devlist, cb, user);
IMMDevice_Release(device);
}
IMMDeviceCollection_Release(coll);
release_mmdevenum(devenum, init_hr);
return keep_going ? S_OK : S_FALSE;
}
/***************************************************************************
* GetDeviceID [DSOUND.9]
*
* Retrieves unique identifier of default device specified
*
* PARAMS
* pGuidSrc [I] Address of device GUID.
* pGuidDest [O] Address to receive unique device GUID.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*
* NOTES
* pGuidSrc is a valid device GUID or DSDEVID_DefaultPlayback,
* DSDEVID_DefaultCapture, DSDEVID_DefaultVoicePlayback, or
* DSDEVID_DefaultVoiceCapture.
* Returns pGuidSrc if pGuidSrc is a valid device or the device
* GUID for the specified constants.
*/
HRESULT WINAPI DSOAL_GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest)
{
IMMDeviceEnumerator *devenum;
HRESULT hr, init_hr;
IMMDevice *device;
EDataFlow flow;
ERole role;
TRACE("(%s, %p)\n", get_device_id(pGuidSrc), pGuidDest);
if(!pGuidSrc || !pGuidDest)
return DSERR_INVALIDPARAM;
flow = eRender;
if(IsEqualGUID(&DSDEVID_DefaultPlayback, pGuidSrc))
role = eMultimedia;
else if(IsEqualGUID(&DSDEVID_DefaultVoicePlayback, pGuidSrc))
role = eCommunications;
else
{
flow = eCapture;
if(IsEqualGUID(&DSDEVID_DefaultCapture, pGuidSrc))
role = eMultimedia;
else if(IsEqualGUID(&DSDEVID_DefaultVoiceCapture, pGuidSrc))
role = eCommunications;
else
{
*pGuidDest = *pGuidSrc;
return DS_OK;
}
}
init_hr = get_mmdevenum(&devenum);
if(!devenum) return init_hr;
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, flow, role, &device);
if(FAILED(hr))
{
WARN("GetDefaultAudioEndpoint failed: %08lx\n", hr);
release_mmdevenum(devenum, init_hr);
return DSERR_NODRIVER;
}
hr = get_mmdevice_guid(device, NULL, pGuidDest);
IMMDevice_Release(device);
release_mmdevenum(devenum, init_hr);
return hr;
}
struct morecontextW {
LPDSENUMCALLBACKW callW;
LPVOID data;
};
static BOOL CALLBACK w_callback(EDataFlow flow, LPGUID guid, LPCWSTR descW, LPCWSTR modW, LPVOID data)
{
struct morecontextW *context = data;
(void)flow;
return context->callW(guid, descW, modW, context->data);
}
struct morecontextA {
LPDSENUMCALLBACKA callA;
LPVOID data;
};
static BOOL CALLBACK w_to_a_callback(EDataFlow flow, LPGUID guid, LPCWSTR descW, LPCWSTR modW, LPVOID data)
{
struct morecontextA *context = data;
char *descA, *modA;
int dlen, mlen;
BOOL ret;
(void)flow;
dlen = WideCharToMultiByte(CP_ACP, 0, descW, -1, NULL, 0, NULL, NULL);
mlen = WideCharToMultiByte(CP_ACP, 0, modW, -1, NULL, 0, NULL, NULL);
if(dlen < 0 || mlen < 0) return FALSE;
descA = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dlen+mlen+2);
if(!descA) return FALSE;
modA = descA + dlen+1;
WideCharToMultiByte(CP_ACP, 0, descW, -1, descA, dlen, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, modW, -1, modA, mlen, NULL, NULL);
ret = context->callA(guid, descA, modA, context->data);
HeapFree(GetProcessHeap(), 0, descA);
return ret;
}
/***************************************************************************
* DirectSoundEnumerateA [DSOUND.2]
*
* Enumerate all DirectSound drivers installed in the system
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DSOAL_DirectSoundEnumerateA(
LPDSENUMCALLBACKA lpDSEnumCallback,
LPVOID lpContext)
{
struct morecontextA ctx;
HRESULT hr;
TRACE("(%p, %p)\n", lpDSEnumCallback, lpContext);
if(lpDSEnumCallback == NULL)
{
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
ctx.callA = lpDSEnumCallback;
ctx.data = lpContext;
hr = enumerate_mmdevices(eRender, w_to_a_callback, &ctx);
return SUCCEEDED(hr) ? DS_OK : hr;
}
/***************************************************************************
* DirectSoundEnumerateW [DSOUND.3]
*
* Enumerate all DirectSound drivers installed in the system
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DSOAL_DirectSoundEnumerateW(
LPDSENUMCALLBACKW lpDSEnumCallback,
LPVOID lpContext )
{
struct morecontextW ctx;
HRESULT hr;
TRACE("(%p, %p)\n", lpDSEnumCallback, lpContext);
if(lpDSEnumCallback == NULL)
{
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
ctx.callW = lpDSEnumCallback;
ctx.data = lpContext;
hr = enumerate_mmdevices(eRender, w_callback, &ctx);
return SUCCEEDED(hr) ? DS_OK : hr;
}
/***************************************************************************
* DirectSoundCaptureEnumerateA [DSOUND.7]
*
* Enumerate all DirectSound drivers installed in the system.
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DSOAL_DirectSoundCaptureEnumerateA(
LPDSENUMCALLBACKA lpDSEnumCallback,
LPVOID lpContext)
{
struct morecontextA ctx;
HRESULT hr;
TRACE("(%p, %p)\n", lpDSEnumCallback, lpContext);
if(lpDSEnumCallback == NULL)
{
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
ctx.callA = lpDSEnumCallback;
ctx.data = lpContext;
hr = enumerate_mmdevices(eCapture, w_to_a_callback, &ctx);
return SUCCEEDED(hr) ? DS_OK : hr;
}
/***************************************************************************
* DirectSoundCaptureEnumerateW [DSOUND.8]
*
* Enumerate all DirectSound drivers installed in the system.
*
* PARAMS
* lpDSEnumCallback [I] Address of callback function.
* lpContext [I] Address of user defined context passed to callback function.
*
* RETURNS
* Success: DS_OK
* Failure: DSERR_INVALIDPARAM
*/
HRESULT WINAPI DSOAL_DirectSoundCaptureEnumerateW(
LPDSENUMCALLBACKW lpDSEnumCallback,
LPVOID lpContext)
{
struct morecontextW ctx;
HRESULT hr;
TRACE("(%p, %p)\n", lpDSEnumCallback, lpContext);
if(lpDSEnumCallback == NULL)
{
WARN("invalid parameter: lpDSEnumCallback == NULL\n");
return DSERR_INVALIDPARAM;
}
ctx.callW = lpDSEnumCallback;
ctx.data = lpContext;
hr = enumerate_mmdevices(eCapture, w_callback, &ctx);
return SUCCEEDED(hr) ? DS_OK : hr;
}
/*******************************************************************************
* DirectSoundCreate (DSOUND.1)
*
* Creates and initializes a DirectSound interface.
*