/** * OpenAL cross platform audio library * Copyright (C) 2011 by authors. * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * Or go to http://www.gnu.org/copyleft/lgpl.html */ #include "config.h" #define COBJMACROS #include #include #include #include #include #include #include #include #include #include #include #ifndef _WAVEFORMATEXTENSIBLE_ #include #include #endif #include "alMain.h" #include "alu.h" #include "threads.h" #include "compat.h" #include "alstring.h" #include "backends/base.h" DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80,0x20, 0x67,0xd1,0x46,0xa8,0x50,0xe0, 14); DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_FormFactor, 0x1da5d803, 0xd492, 0x4edd, 0x8c,0x23, 0xe0,0xc0,0xff,0xee,0x7f,0x0e, 0); #define MONO SPEAKER_FRONT_CENTER #define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT) #define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT) #define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) #define X5DOT1REAR (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT) #define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) #define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) typedef struct { al_string name; WCHAR *devid; } DevMap; TYPEDEF_VECTOR(DevMap, vector_DevMap) static void clear_devlist(vector_DevMap *list) { #define CLEAR_DEVMAP(i) do { \ AL_STRING_DEINIT((i)->name); \ free((i)->devid); \ (i)->devid = NULL; \ } while(0) VECTOR_FOR_EACH(DevMap, *list, CLEAR_DEVMAP); VECTOR_RESIZE(*list, 0); #undef CLEAR_DEVMAP } static vector_DevMap PlaybackDevices; static vector_DevMap CaptureDevices; static HANDLE ThreadHdl; static DWORD ThreadID; typedef struct { HANDLE FinishedEvt; HRESULT result; } ThreadRequest; #define WM_USER_First (WM_USER+0) #define WM_USER_OpenDevice (WM_USER+0) #define WM_USER_ResetDevice (WM_USER+1) #define WM_USER_StartDevice (WM_USER+2) #define WM_USER_StopDevice (WM_USER+3) #define WM_USER_CloseDevice (WM_USER+4) #define WM_USER_Enumerate (WM_USER+5) #define WM_USER_Last (WM_USER+5) static inline void ReturnMsgResponse(ThreadRequest *req, HRESULT res) { req->result = res; SetEvent(req->FinishedEvt); } static HRESULT WaitForResponse(ThreadRequest *req) { if(WaitForSingleObject(req->FinishedEvt, INFINITE) == WAIT_OBJECT_0) return req->result; ERR("Message response error: %lu\n", GetLastError()); return E_FAIL; } static void get_device_name(IMMDevice *device, al_string *name) { IPropertyStore *ps; PROPVARIANT pvname; HRESULT hr; hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps); if(FAILED(hr)) { WARN("OpenPropertyStore failed: 0x%08lx\n", hr); return; } PropVariantInit(&pvname); hr = IPropertyStore_GetValue(ps, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pvname); if(FAILED(hr)) WARN("GetValue Device_FriendlyName failed: 0x%08lx\n", hr); else if(pvname.vt == VT_LPWSTR) al_string_copy_wcstr(name, pvname.pwszVal); else WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvname.vt); PropVariantClear(&pvname); IPropertyStore_Release(ps); } static void get_device_formfactor(IMMDevice *device, EndpointFormFactor *formfactor) { IPropertyStore *ps; PROPVARIANT pvform; HRESULT hr; hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps); if(FAILED(hr)) { WARN("OpenPropertyStore failed: 0x%08lx\n", hr); return; } PropVariantInit(&pvform); hr = IPropertyStore_GetValue(ps, &PKEY_AudioEndpoint_FormFactor, &pvform); if(FAILED(hr)) WARN("GetValue AudioEndpoint_FormFactor failed: 0x%08lx\n", hr); else if(pvform.vt == VT_UI4) *formfactor = pvform.ulVal; else if(pvform.vt == VT_EMPTY) *formfactor = UnknownFormFactor; else WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvform.vt); PropVariantClear(&pvform); IPropertyStore_Release(ps); } static void add_device(IMMDevice *device, LPCWSTR devid, vector_DevMap *list) { DevMap entry; AL_STRING_INIT(entry.name); entry.devid = strdupW(devid); get_device_name(device, &entry.name); TRACE("Got device \"%s\", \"%ls\"\n", al_string_get_cstr(entry.name), entry.devid); VECTOR_PUSH_BACK(*list, entry); } static LPWSTR get_device_id(IMMDevice *device) { LPWSTR devid; HRESULT hr; hr = IMMDevice_GetId(device, &devid); if(FAILED(hr)) { ERR("Failed to get device id: %lx\n", hr); return NULL; } return devid; } static HRESULT probe_devices(IMMDeviceEnumerator *devenum, EDataFlow flowdir, vector_DevMap *list) { IMMDeviceCollection *coll; IMMDevice *defdev = NULL; LPWSTR defdevid = NULL; HRESULT hr; UINT count; UINT i; hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flowdir, DEVICE_STATE_ACTIVE, &coll); if(FAILED(hr)) { ERR("Failed to enumerate audio endpoints: 0x%08lx\n", hr); return hr; } count = 0; hr = IMMDeviceCollection_GetCount(coll, &count); if(SUCCEEDED(hr) && count > 0) { clear_devlist(list); if(!VECTOR_RESERVE(*list, count)) { IMMDeviceCollection_Release(coll); return E_OUTOFMEMORY; } hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, flowdir, eMultimedia, &defdev); } if(SUCCEEDED(hr) && defdev != NULL) { defdevid = get_device_id(defdev); if(defdevid) add_device(defdev, defdevid, list); } for(i = 0;i < count;++i) { IMMDevice *device; LPWSTR devid; hr = IMMDeviceCollection_Item(coll, i, &device); if(FAILED(hr)) continue; devid = get_device_id(device); if(devid) { if(wcscmp(devid, defdevid) != 0) add_device(device, devid, list); CoTaskMemFree(devid); } IMMDevice_Release(device); } if(defdev) IMMDevice_Release(defdev); if(defdevid) CoTaskMemFree(defdevid); IMMDeviceCollection_Release(coll); return S_OK; } /* Proxy interface used by the message handler. */ struct ALCmmdevProxyVtable; typedef struct ALCmmdevProxy { const struct ALCmmdevProxyVtable *vtbl; } ALCmmdevProxy; struct ALCmmdevProxyVtable { HRESULT (*const openProxy)(ALCmmdevProxy*); void (*const closeProxy)(ALCmmdevProxy*); HRESULT (*const resetProxy)(ALCmmdevProxy*); HRESULT (*const startProxy)(ALCmmdevProxy*); void (*const stopProxy)(ALCmmdevProxy*); }; #define DEFINE_ALCMMDEVPROXY_VTABLE(T) \ DECLARE_THUNK(T, ALCmmdevProxy, HRESULT, openProxy) \ DECLARE_THUNK(T, ALCmmdevProxy, void, closeProxy) \ DECLARE_THUNK(T, ALCmmdevProxy, HRESULT, resetProxy) \ DECLARE_THUNK(T, ALCmmdevProxy, HRESULT, startProxy) \ DECLARE_THUNK(T, ALCmmdevProxy, void, stopProxy) \ \ static const struct ALCmmdevProxyVtable T##_ALCmmdevProxy_vtable = { \ T##_ALCmmdevProxy_openProxy, \ T##_ALCmmdevProxy_closeProxy, \ T##_ALCmmdevProxy_resetProxy, \ T##_ALCmmdevProxy_startProxy, \ T##_ALCmmdevProxy_stopProxy, \ } static void ALCmmdevProxy_Construct(ALCmmdevProxy* UNUSED(self)) { } static void ALCmmdevProxy_Destruct(ALCmmdevProxy* UNUSED(self)) { } static DWORD CALLBACK ALCmmdevProxy_messageHandler(void *ptr) { ThreadRequest *req = ptr; IMMDeviceEnumerator *Enumerator; ALuint deviceCount = 0; ALCmmdevProxy *proxy; HRESULT hr, cohr; MSG msg; TRACE("Starting message thread\n"); cohr = CoInitialize(NULL); if(FAILED(cohr)) { WARN("Failed to initialize COM: 0x%08lx\n", cohr); ReturnMsgResponse(req, cohr); return 0; } hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr); if(FAILED(hr)) { WARN("Failed to create IMMDeviceEnumerator instance: 0x%08lx\n", hr); CoUninitialize(); ReturnMsgResponse(req, hr); return 0; } Enumerator = ptr; IMMDeviceEnumerator_Release(Enumerator); Enumerator = NULL; CoUninitialize(); /* HACK: Force Windows to create a message queue for this thread before * returning success, otherwise PostThreadMessage may fail if it gets * called before GetMessage. */ PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE); TRACE("Message thread initialization complete\n"); ReturnMsgResponse(req, S_OK); TRACE("Starting message loop\n"); while(GetMessage(&msg, NULL, WM_USER_First, WM_USER_Last)) { TRACE("Got message %u (lparam=%p, wparam=%p)\n", msg.message, (void*)msg.lParam, (void*)msg.wParam); switch(msg.message) { case WM_USER_OpenDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCmmdevProxy*)msg.lParam; hr = cohr = S_OK; if(++deviceCount == 1) hr = cohr = CoInitialize(NULL); if(SUCCEEDED(hr)) hr = V0(proxy,openProxy)(); if(FAILED(hr)) { if(--deviceCount == 0 && SUCCEEDED(cohr)) CoUninitialize(); } ReturnMsgResponse(req, hr); continue; case WM_USER_ResetDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCmmdevProxy*)msg.lParam; hr = V0(proxy,resetProxy)(); ReturnMsgResponse(req, hr); continue; case WM_USER_StartDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCmmdevProxy*)msg.lParam; hr = V0(proxy,startProxy)(); ReturnMsgResponse(req, hr); continue; case WM_USER_StopDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCmmdevProxy*)msg.lParam; V0(proxy,stopProxy)(); ReturnMsgResponse(req, S_OK); continue; case WM_USER_CloseDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCmmdevProxy*)msg.lParam; V0(proxy,closeProxy)(); if(--deviceCount == 0) CoUninitialize(); ReturnMsgResponse(req, S_OK); continue; case WM_USER_Enumerate: req = (ThreadRequest*)msg.wParam; hr = cohr = S_OK; if(++deviceCount == 1) hr = cohr = CoInitialize(NULL); if(SUCCEEDED(hr)) hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr); if(SUCCEEDED(hr)) { Enumerator = ptr; if(msg.lParam == ALL_DEVICE_PROBE) hr = probe_devices(Enumerator, eRender, &PlaybackDevices); else if(msg.lParam == CAPTURE_DEVICE_PROBE) hr = probe_devices(Enumerator, eCapture, &CaptureDevices); IMMDeviceEnumerator_Release(Enumerator); Enumerator = NULL; } if(--deviceCount == 0 && SUCCEEDED(cohr)) CoUninitialize(); ReturnMsgResponse(req, hr); continue; default: ERR("Unexpected message: %u\n", msg.message); continue; } } TRACE("Message loop finished\n"); return 0; } typedef struct ALCmmdevPlayback { DERIVE_FROM_TYPE(ALCbackend); DERIVE_FROM_TYPE(ALCmmdevProxy); WCHAR *devid; IMMDevice *mmdev; IAudioClient *client; IAudioRenderClient *render; HANDLE NotifyEvent; HANDLE MsgEvent; volatile UINT32 Padding; volatile int killNow; althrd_t thread; } ALCmmdevPlayback; static int ALCmmdevPlayback_mixerProc(void *arg); static void ALCmmdevPlayback_Construct(ALCmmdevPlayback *self, ALCdevice *device); static void ALCmmdevPlayback_Destruct(ALCmmdevPlayback *self); static ALCenum ALCmmdevPlayback_open(ALCmmdevPlayback *self, const ALCchar *name); static HRESULT ALCmmdevPlayback_openProxy(ALCmmdevPlayback *self); static void ALCmmdevPlayback_close(ALCmmdevPlayback *self); static void ALCmmdevPlayback_closeProxy(ALCmmdevPlayback *self); static ALCboolean ALCmmdevPlayback_reset(ALCmmdevPlayback *self); static HRESULT ALCmmdevPlayback_resetProxy(ALCmmdevPlayback *self); static ALCboolean ALCmmdevPlayback_start(ALCmmdevPlayback *self); static HRESULT ALCmmdevPlayback_startProxy(ALCmmdevPlayback *self); static void ALCmmdevPlayback_stop(ALCmmdevPlayback *self); static void ALCmmdevPlayback_stopProxy(ALCmmdevPlayback *self); static DECLARE_FORWARD2(ALCmmdevPlayback, ALCbackend, ALCenum, captureSamples, ALCvoid*, ALCuint) static DECLARE_FORWARD(ALCmmdevPlayback, ALCbackend, ALCuint, availableSamples) static ALint64 ALCmmdevPlayback_getLatency(ALCmmdevPlayback *self); static DECLARE_FORWARD(ALCmmdevPlayback, ALCbackend, void, lock) static DECLARE_FORWARD(ALCmmdevPlayback, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCmmdevPlayback) DEFINE_ALCMMDEVPROXY_VTABLE(ALCmmdevPlayback); DEFINE_ALCBACKEND_VTABLE(ALCmmdevPlayback); static void ALCmmdevPlayback_Construct(ALCmmdevPlayback *self, ALCdevice *device) { SET_VTABLE2(ALCmmdevPlayback, ALCbackend, self); SET_VTABLE2(ALCmmdevPlayback, ALCmmdevProxy, self); ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device); ALCmmdevProxy_Construct(STATIC_CAST(ALCmmdevProxy, self)); self->devid = NULL; self->mmdev = NULL; self->client = NULL; self->render = NULL; self->NotifyEvent = NULL; self->MsgEvent = NULL; self->Padding = 0; self->killNow = 0; } static void ALCmmdevPlayback_Destruct(ALCmmdevPlayback *self) { if(self->NotifyEvent != NULL) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; if(self->MsgEvent != NULL) CloseHandle(self->MsgEvent); self->MsgEvent = NULL; free(self->devid); self->devid = NULL; ALCmmdevProxy_Destruct(STATIC_CAST(ALCmmdevProxy, self)); ALCbackend_Destruct(STATIC_CAST(ALCbackend, self)); } FORCE_ALIGN static int ALCmmdevPlayback_mixerProc(void *arg) { ALCmmdevPlayback *self = arg; ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; UINT32 buffer_len, written; ALuint update_size, len; BYTE *buffer; HRESULT hr; hr = CoInitialize(NULL); if(FAILED(hr)) { ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device); V0(device->Backend,unlock)(); return 1; } SetRTPriority(); althrd_setname(althrd_current(), MIXER_THREAD_NAME); update_size = device->UpdateSize; buffer_len = update_size * device->NumUpdates; while(!self->killNow) { hr = IAudioClient_GetCurrentPadding(self->client, &written); if(FAILED(hr)) { ERR("Failed to get padding: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device); V0(device->Backend,unlock)(); break; } self->Padding = written; len = buffer_len - written; if(len < update_size) { DWORD res; res = WaitForSingleObjectEx(self->NotifyEvent, 2000, FALSE); if(res != WAIT_OBJECT_0) ERR("WaitForSingleObjectEx error: 0x%lx\n", res); continue; } len -= len%update_size; hr = IAudioRenderClient_GetBuffer(self->render, len, &buffer); if(SUCCEEDED(hr)) { V0(device->Backend,lock)(); aluMixData(device, buffer, len); self->Padding = written + len; V0(device->Backend,unlock)(); hr = IAudioRenderClient_ReleaseBuffer(self->render, len, 0); } if(FAILED(hr)) { ERR("Failed to buffer data: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device); V0(device->Backend,unlock)(); break; } } self->Padding = 0; CoUninitialize(); return 0; } static ALCboolean MakeExtensible(WAVEFORMATEXTENSIBLE *out, const WAVEFORMATEX *in) { memset(out, 0, sizeof(*out)); if(in->wFormatTag == WAVE_FORMAT_EXTENSIBLE) *out = *(const WAVEFORMATEXTENSIBLE*)in; else if(in->wFormatTag == WAVE_FORMAT_PCM) { out->Format = *in; out->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; out->Format.cbSize = sizeof(*out) - sizeof(*in); if(out->Format.nChannels == 1) out->dwChannelMask = MONO; else if(out->Format.nChannels == 2) out->dwChannelMask = STEREO; else ERR("Unhandled PCM channel count: %d\n", out->Format.nChannels); out->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; } else if(in->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) { out->Format = *in; out->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; out->Format.cbSize = sizeof(*out) - sizeof(*in); if(out->Format.nChannels == 1) out->dwChannelMask = MONO; else if(out->Format.nChannels == 2) out->dwChannelMask = STEREO; else ERR("Unhandled IEEE float channel count: %d\n", out->Format.nChannels); out->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; } else { ERR("Unhandled format tag: 0x%04x\n", in->wFormatTag); return ALC_FALSE; } return ALC_TRUE; } static ALCenum ALCmmdevPlayback_open(ALCmmdevPlayback *self, const ALCchar *deviceName) { HRESULT hr = S_OK; self->NotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); self->MsgEvent = CreateEvent(NULL, FALSE, FALSE, NULL); if(self->NotifyEvent == NULL || self->MsgEvent == NULL) { ERR("Failed to create message events: %lu\n", GetLastError()); hr = E_FAIL; } if(SUCCEEDED(hr)) { if(deviceName) { const DevMap *iter, *end; if(VECTOR_SIZE(PlaybackDevices) == 0) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, ALL_DEVICE_PROBE)) (void)WaitForResponse(&req); } hr = E_FAIL; iter = VECTOR_ITER_BEGIN(PlaybackDevices); end = VECTOR_ITER_END(PlaybackDevices); for(;iter != end;iter++) { if(al_string_cmp_cstr(iter->name, deviceName) == 0) { self->devid = strdupW(iter->devid); hr = S_OK; break; } } if(FAILED(hr)) WARN("Failed to find device name matching \"%s\"\n", deviceName); } } if(SUCCEEDED(hr)) { ThreadRequest req = { self->MsgEvent, 0 }; hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); else ERR("Failed to post thread message: %lu\n", GetLastError()); } if(FAILED(hr)) { if(self->NotifyEvent != NULL) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; if(self->MsgEvent != NULL) CloseHandle(self->MsgEvent); self->MsgEvent = NULL; free(self->devid); self->devid = NULL; ERR("Device init failed: 0x%08lx\n", hr); return ALC_INVALID_VALUE; } return ALC_NO_ERROR; } static HRESULT ALCmmdevPlayback_openProxy(ALCmmdevPlayback *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; void *ptr; HRESULT hr; hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr); if(SUCCEEDED(hr)) { IMMDeviceEnumerator *Enumerator = ptr; if(!self->devid) hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(Enumerator, eRender, eMultimedia, &self->mmdev); else hr = IMMDeviceEnumerator_GetDevice(Enumerator, self->devid, &self->mmdev); IMMDeviceEnumerator_Release(Enumerator); Enumerator = NULL; } if(SUCCEEDED(hr)) hr = IMMDevice_Activate(self->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr); if(SUCCEEDED(hr)) { self->client = ptr; get_device_name(self->mmdev, &device->DeviceName); } if(FAILED(hr)) { if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } return hr; } static void ALCmmdevPlayback_close(ALCmmdevPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) (void)WaitForResponse(&req); CloseHandle(self->MsgEvent); self->MsgEvent = NULL; CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; free(self->devid); self->devid = NULL; } static void ALCmmdevPlayback_closeProxy(ALCmmdevPlayback *self) { if(self->client) IAudioClient_Release(self->client); self->client = NULL; if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } static ALCboolean ALCmmdevPlayback_reset(ALCmmdevPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCmmdevPlayback_resetProxy(ALCmmdevPlayback *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; EndpointFormFactor formfactor = UnknownFormFactor; WAVEFORMATEXTENSIBLE OutputType; WAVEFORMATEX *wfx = NULL; REFERENCE_TIME min_per, buf_time; UINT32 buffer_len, min_len; void *ptr = NULL; HRESULT hr; if(self->client) IAudioClient_Release(self->client); self->client = NULL; hr = IMMDevice_Activate(self->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr); if(FAILED(hr)) { ERR("Failed to reactivate audio client: 0x%08lx\n", hr); return hr; } self->client = ptr; hr = IAudioClient_GetMixFormat(self->client, &wfx); if(FAILED(hr)) { ERR("Failed to get mix format: 0x%08lx\n", hr); return hr; } if(!MakeExtensible(&OutputType, wfx)) { CoTaskMemFree(wfx); return E_FAIL; } CoTaskMemFree(wfx); wfx = NULL; buf_time = ((REFERENCE_TIME)device->UpdateSize*device->NumUpdates*10000000 + device->Frequency-1) / device->Frequency; if(!(device->Flags&DEVICE_FREQUENCY_REQUEST)) device->Frequency = OutputType.Format.nSamplesPerSec; if(!(device->Flags&DEVICE_CHANNELS_REQUEST)) { if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO) device->FmtChans = DevFmtMono; else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO) device->FmtChans = DevFmtStereo; else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD) device->FmtChans = DevFmtQuad; else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1) device->FmtChans = DevFmtX51; else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR) device->FmtChans = DevFmtX51Rear; else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1) device->FmtChans = DevFmtX61; else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1) device->FmtChans = DevFmtX71; else ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask); } switch(device->FmtChans) { case DevFmtMono: OutputType.Format.nChannels = 1; OutputType.dwChannelMask = MONO; break; case DevFmtBFormat3D: device->FmtChans = DevFmtStereo; /*fall-through*/ case DevFmtStereo: OutputType.Format.nChannels = 2; OutputType.dwChannelMask = STEREO; break; case DevFmtQuad: OutputType.Format.nChannels = 4; OutputType.dwChannelMask = QUAD; break; case DevFmtX51: OutputType.Format.nChannels = 6; OutputType.dwChannelMask = X5DOT1; break; case DevFmtX51Rear: OutputType.Format.nChannels = 6; OutputType.dwChannelMask = X5DOT1REAR; break; case DevFmtX61: OutputType.Format.nChannels = 7; OutputType.dwChannelMask = X6DOT1; break; case DevFmtX71: OutputType.Format.nChannels = 8; OutputType.dwChannelMask = X7DOT1; break; } switch(device->FmtType) { case DevFmtByte: device->FmtType = DevFmtUByte; /* fall-through */ case DevFmtUByte: OutputType.Format.wBitsPerSample = 8; OutputType.Samples.wValidBitsPerSample = 8; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtUShort: device->FmtType = DevFmtShort; /* fall-through */ case DevFmtShort: OutputType.Format.wBitsPerSample = 16; OutputType.Samples.wValidBitsPerSample = 16; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtUInt: device->FmtType = DevFmtInt; /* fall-through */ case DevFmtInt: OutputType.Format.wBitsPerSample = 32; OutputType.Samples.wValidBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtFloat: OutputType.Format.wBitsPerSample = 32; OutputType.Samples.wValidBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; break; } OutputType.Format.nSamplesPerSec = device->Frequency; OutputType.Format.nBlockAlign = OutputType.Format.nChannels * OutputType.Format.wBitsPerSample / 8; OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec * OutputType.Format.nBlockAlign; hr = IAudioClient_IsFormatSupported(self->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx); if(FAILED(hr)) { ERR("Failed to check format support: 0x%08lx\n", hr); hr = IAudioClient_GetMixFormat(self->client, &wfx); } if(FAILED(hr)) { ERR("Failed to find a supported format: 0x%08lx\n", hr); return hr; } if(wfx != NULL) { if(!MakeExtensible(&OutputType, wfx)) { CoTaskMemFree(wfx); return E_FAIL; } CoTaskMemFree(wfx); wfx = NULL; device->Frequency = OutputType.Format.nSamplesPerSec; if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO) device->FmtChans = DevFmtMono; else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO) device->FmtChans = DevFmtStereo; else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD) device->FmtChans = DevFmtQuad; else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1) device->FmtChans = DevFmtX51; else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR) device->FmtChans = DevFmtX51Rear; else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1) device->FmtChans = DevFmtX61; else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1) device->FmtChans = DevFmtX71; else { ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask); device->FmtChans = DevFmtStereo; OutputType.Format.nChannels = 2; OutputType.dwChannelMask = STEREO; } if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) { if(OutputType.Format.wBitsPerSample == 8) device->FmtType = DevFmtUByte; else if(OutputType.Format.wBitsPerSample == 16) device->FmtType = DevFmtShort; else if(OutputType.Format.wBitsPerSample == 32) device->FmtType = DevFmtInt; else { device->FmtType = DevFmtShort; OutputType.Format.wBitsPerSample = 16; } } else if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) { device->FmtType = DevFmtFloat; OutputType.Format.wBitsPerSample = 32; } else { ERR("Unhandled format sub-type\n"); device->FmtType = DevFmtShort; OutputType.Format.wBitsPerSample = 16; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; } OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample; } get_device_formfactor(self->mmdev, &formfactor); device->IsHeadphones = (device->FmtChans == DevFmtStereo && formfactor == Headphones); SetDefaultWFXChannelOrder(device); hr = IAudioClient_Initialize(self->client, AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, buf_time, 0, &OutputType.Format, NULL); if(FAILED(hr)) { ERR("Failed to initialize audio client: 0x%08lx\n", hr); return hr; } hr = IAudioClient_GetDevicePeriod(self->client, &min_per, NULL); if(SUCCEEDED(hr)) { min_len = (UINT32)((min_per*device->Frequency + 10000000-1) / 10000000); /* Find the nearest multiple of the period size to the update size */ if(min_len < device->UpdateSize) min_len *= (device->UpdateSize + min_len/2)/min_len; hr = IAudioClient_GetBufferSize(self->client, &buffer_len); } if(FAILED(hr)) { ERR("Failed to get audio buffer info: 0x%08lx\n", hr); return hr; } device->UpdateSize = min_len; device->NumUpdates = buffer_len / device->UpdateSize; if(device->NumUpdates <= 1) { ERR("Audio client returned buffer_len < period*2; expect break up\n"); device->NumUpdates = 2; device->UpdateSize = buffer_len / device->NumUpdates; } hr = IAudioClient_SetEventHandle(self->client, self->NotifyEvent); if(FAILED(hr)) { ERR("Failed to set event handle: 0x%08lx\n", hr); return hr; } return hr; } static ALCboolean ALCmmdevPlayback_start(ALCmmdevPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCmmdevPlayback_startProxy(ALCmmdevPlayback *self) { HRESULT hr; void *ptr; ResetEvent(self->NotifyEvent); hr = IAudioClient_Start(self->client); if(FAILED(hr)) ERR("Failed to start audio client: 0x%08lx\n", hr); if(SUCCEEDED(hr)) hr = IAudioClient_GetService(self->client, &IID_IAudioRenderClient, &ptr); if(SUCCEEDED(hr)) { self->render = ptr; self->killNow = 0; if(althrd_create(&self->thread, ALCmmdevPlayback_mixerProc, self) != althrd_success) { if(self->render) IAudioRenderClient_Release(self->render); self->render = NULL; IAudioClient_Stop(self->client); ERR("Failed to start thread\n"); hr = E_FAIL; } } return hr; } static void ALCmmdevPlayback_stop(ALCmmdevPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) (void)WaitForResponse(&req); } static void ALCmmdevPlayback_stopProxy(ALCmmdevPlayback *self) { int res; if(!self->render) return; self->killNow = 1; althrd_join(self->thread, &res); IAudioRenderClient_Release(self->render); self->render = NULL; IAudioClient_Stop(self->client); } static ALint64 ALCmmdevPlayback_getLatency(ALCmmdevPlayback *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; return (ALint64)self->Padding * 1000000000 / device->Frequency; } typedef struct ALCmmdevCapture { DERIVE_FROM_TYPE(ALCbackend); DERIVE_FROM_TYPE(ALCmmdevProxy); WCHAR *devid; IMMDevice *mmdev; IAudioClient *client; IAudioCaptureClient *capture; HANDLE NotifyEvent; HANDLE MsgEvent; RingBuffer *Ring; volatile int killNow; althrd_t thread; } ALCmmdevCapture; static int ALCmmdevCapture_recordProc(void *arg); static void ALCmmdevCapture_Construct(ALCmmdevCapture *self, ALCdevice *device); static void ALCmmdevCapture_Destruct(ALCmmdevCapture *self); static ALCenum ALCmmdevCapture_open(ALCmmdevCapture *self, const ALCchar *name); static HRESULT ALCmmdevCapture_openProxy(ALCmmdevCapture *self); static void ALCmmdevCapture_close(ALCmmdevCapture *self); static void ALCmmdevCapture_closeProxy(ALCmmdevCapture *self); static DECLARE_FORWARD(ALCmmdevCapture, ALCbackend, ALCboolean, reset) static HRESULT ALCmmdevCapture_resetProxy(ALCmmdevCapture *self); static ALCboolean ALCmmdevCapture_start(ALCmmdevCapture *self); static HRESULT ALCmmdevCapture_startProxy(ALCmmdevCapture *self); static void ALCmmdevCapture_stop(ALCmmdevCapture *self); static void ALCmmdevCapture_stopProxy(ALCmmdevCapture *self); static ALCenum ALCmmdevCapture_captureSamples(ALCmmdevCapture *self, ALCvoid *buffer, ALCuint samples); static ALuint ALCmmdevCapture_availableSamples(ALCmmdevCapture *self); static DECLARE_FORWARD(ALCmmdevCapture, ALCbackend, ALint64, getLatency) static DECLARE_FORWARD(ALCmmdevCapture, ALCbackend, void, lock) static DECLARE_FORWARD(ALCmmdevCapture, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCmmdevCapture) DEFINE_ALCMMDEVPROXY_VTABLE(ALCmmdevCapture); DEFINE_ALCBACKEND_VTABLE(ALCmmdevCapture); static void ALCmmdevCapture_Construct(ALCmmdevCapture *self, ALCdevice *device) { SET_VTABLE2(ALCmmdevCapture, ALCbackend, self); SET_VTABLE2(ALCmmdevCapture, ALCmmdevProxy, self); ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device); ALCmmdevProxy_Construct(STATIC_CAST(ALCmmdevProxy, self)); self->devid = NULL; self->mmdev = NULL; self->client = NULL; self->capture = NULL; self->NotifyEvent = NULL; self->MsgEvent = NULL; self->Ring = NULL; self->killNow = 0; } static void ALCmmdevCapture_Destruct(ALCmmdevCapture *self) { DestroyRingBuffer(self->Ring); self->Ring = NULL; if(self->NotifyEvent != NULL) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; if(self->MsgEvent != NULL) CloseHandle(self->MsgEvent); self->MsgEvent = NULL; free(self->devid); self->devid = NULL; ALCmmdevProxy_Destruct(STATIC_CAST(ALCmmdevProxy, self)); ALCbackend_Destruct(STATIC_CAST(ALCbackend, self)); } FORCE_ALIGN int ALCmmdevCapture_recordProc(void *arg) { ALCmmdevCapture *self = arg; ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; HRESULT hr; hr = CoInitialize(NULL); if(FAILED(hr)) { ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device); V0(device->Backend,unlock)(); return 1; } althrd_setname(althrd_current(), RECORD_THREAD_NAME); while(!self->killNow) { UINT32 avail; DWORD res; hr = IAudioCaptureClient_GetNextPacketSize(self->capture, &avail); if(FAILED(hr)) ERR("Failed to get next packet size: 0x%08lx\n", hr); else while(avail > 0 && SUCCEEDED(hr)) { UINT32 numsamples; DWORD flags; BYTE *data; hr = IAudioCaptureClient_GetBuffer(self->capture, &data, &numsamples, &flags, NULL, NULL ); if(FAILED(hr)) { ERR("Failed to get capture buffer: 0x%08lx\n", hr); break; } WriteRingBuffer(self->Ring, data, numsamples); hr = IAudioCaptureClient_ReleaseBuffer(self->capture, numsamples); if(FAILED(hr)) { ERR("Failed to release capture buffer: 0x%08lx\n", hr); break; } hr = IAudioCaptureClient_GetNextPacketSize(self->capture, &avail); if(FAILED(hr)) ERR("Failed to get next packet size: 0x%08lx\n", hr); } if(FAILED(hr)) { V0(device->Backend,lock)(); aluHandleDisconnect(device); V0(device->Backend,unlock)(); break; } res = WaitForSingleObjectEx(self->NotifyEvent, 2000, FALSE); if(res != WAIT_OBJECT_0) ERR("WaitForSingleObjectEx error: 0x%lx\n", res); } CoUninitialize(); return 0; } static ALCenum ALCmmdevCapture_open(ALCmmdevCapture *self, const ALCchar *deviceName) { HRESULT hr = S_OK; self->NotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL); self->MsgEvent = CreateEvent(NULL, FALSE, FALSE, NULL); if(self->NotifyEvent == NULL || self->MsgEvent == NULL) { ERR("Failed to create message events: %lu\n", GetLastError()); hr = E_FAIL; } if(SUCCEEDED(hr)) { if(deviceName) { const DevMap *iter; if(VECTOR_SIZE(CaptureDevices) == 0) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, CAPTURE_DEVICE_PROBE)) (void)WaitForResponse(&req); } hr = E_FAIL; #define MATCH_NAME(i) (al_string_cmp_cstr((i)->name, deviceName) == 0) VECTOR_FIND_IF(iter, const DevMap, CaptureDevices, MATCH_NAME); if(iter == VECTOR_ITER_END(CaptureDevices)) WARN("Failed to find device name matching \"%s\"\n", deviceName); else { self->devid = strdupW(iter->devid); hr = S_OK; } #undef MATCH_NAME } } if(SUCCEEDED(hr)) { ThreadRequest req = { self->MsgEvent, 0 }; hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); else ERR("Failed to post thread message: %lu\n", GetLastError()); } if(FAILED(hr)) { if(self->NotifyEvent != NULL) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; if(self->MsgEvent != NULL) CloseHandle(self->MsgEvent); self->MsgEvent = NULL; free(self->devid); self->devid = NULL; ERR("Device init failed: 0x%08lx\n", hr); return ALC_INVALID_VALUE; } else { ThreadRequest req = { self->MsgEvent, 0 }; hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); else ERR("Failed to post thread message: %lu\n", GetLastError()); if(FAILED(hr)) { ALCmmdevCapture_close(self); if(hr == E_OUTOFMEMORY) return ALC_OUT_OF_MEMORY; return ALC_INVALID_VALUE; } } return ALC_NO_ERROR; } static HRESULT ALCmmdevCapture_openProxy(ALCmmdevCapture *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; void *ptr; HRESULT hr; hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr); if(SUCCEEDED(hr)) { IMMDeviceEnumerator *Enumerator = ptr; if(!self->devid) hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(Enumerator, eCapture, eMultimedia, &self->mmdev); else hr = IMMDeviceEnumerator_GetDevice(Enumerator, self->devid, &self->mmdev); IMMDeviceEnumerator_Release(Enumerator); Enumerator = NULL; } if(SUCCEEDED(hr)) hr = IMMDevice_Activate(self->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr); if(SUCCEEDED(hr)) { self->client = ptr; get_device_name(self->mmdev, &device->DeviceName); } if(FAILED(hr)) { if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } return hr; } static void ALCmmdevCapture_close(ALCmmdevCapture *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) (void)WaitForResponse(&req); DestroyRingBuffer(self->Ring); self->Ring = NULL; CloseHandle(self->MsgEvent); self->MsgEvent = NULL; CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; free(self->devid); self->devid = NULL; } static void ALCmmdevCapture_closeProxy(ALCmmdevCapture *self) { if(self->client) IAudioClient_Release(self->client); self->client = NULL; if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } static HRESULT ALCmmdevCapture_resetProxy(ALCmmdevCapture *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; WAVEFORMATEXTENSIBLE OutputType; REFERENCE_TIME buf_time; UINT32 buffer_len; void *ptr = NULL; HRESULT hr; if(self->client) IAudioClient_Release(self->client); self->client = NULL; hr = IMMDevice_Activate(self->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr); if(FAILED(hr)) { ERR("Failed to reactivate audio client: 0x%08lx\n", hr); return hr; } self->client = ptr; buf_time = ((REFERENCE_TIME)device->UpdateSize*device->NumUpdates*10000000 + device->Frequency-1) / device->Frequency; OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; switch(device->FmtChans) { case DevFmtMono: OutputType.Format.nChannels = 1; OutputType.dwChannelMask = MONO; break; case DevFmtStereo: OutputType.Format.nChannels = 2; OutputType.dwChannelMask = STEREO; break; case DevFmtQuad: OutputType.Format.nChannels = 4; OutputType.dwChannelMask = QUAD; break; case DevFmtX51: OutputType.Format.nChannels = 6; OutputType.dwChannelMask = X5DOT1; break; case DevFmtX51Rear: OutputType.Format.nChannels = 6; OutputType.dwChannelMask = X5DOT1REAR; break; case DevFmtX61: OutputType.Format.nChannels = 7; OutputType.dwChannelMask = X6DOT1; break; case DevFmtX71: OutputType.Format.nChannels = 8; OutputType.dwChannelMask = X7DOT1; break; case DevFmtBFormat3D: return E_FAIL; } switch(device->FmtType) { case DevFmtUByte: OutputType.Format.wBitsPerSample = 8; OutputType.Samples.wValidBitsPerSample = 8; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtShort: OutputType.Format.wBitsPerSample = 16; OutputType.Samples.wValidBitsPerSample = 16; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtInt: OutputType.Format.wBitsPerSample = 32; OutputType.Samples.wValidBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtFloat: OutputType.Format.wBitsPerSample = 32; OutputType.Samples.wValidBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; break; case DevFmtByte: case DevFmtUShort: case DevFmtUInt: WARN("%s capture samples not supported\n", DevFmtTypeString(device->FmtType)); return E_FAIL; } OutputType.Format.nSamplesPerSec = device->Frequency; OutputType.Format.nBlockAlign = OutputType.Format.nChannels * OutputType.Format.wBitsPerSample / 8; OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec * OutputType.Format.nBlockAlign; hr = IAudioClient_IsFormatSupported(self->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, NULL ); if(FAILED(hr)) { ERR("Failed to check format support: 0x%08lx\n", hr); return hr; } hr = IAudioClient_Initialize(self->client, AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, buf_time, 0, &OutputType.Format, NULL ); if(FAILED(hr)) { ERR("Failed to initialize audio client: 0x%08lx\n", hr); return hr; } hr = IAudioClient_GetBufferSize(self->client, &buffer_len); if(FAILED(hr)) { ERR("Failed to get buffer size: 0x%08lx\n", hr); return hr; } buffer_len = maxu(device->UpdateSize*device->NumUpdates, buffer_len); self->Ring = CreateRingBuffer(OutputType.Format.nBlockAlign, buffer_len); if(!self->Ring) { ERR("Failed to allocate capture ring buffer\n"); return E_OUTOFMEMORY; } hr = IAudioClient_SetEventHandle(self->client, self->NotifyEvent); if(FAILED(hr)) { ERR("Failed to set event handle: 0x%08lx\n", hr); return hr; } return hr; } static ALCboolean ALCmmdevCapture_start(ALCmmdevCapture *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCmmdevCapture_startProxy(ALCmmdevCapture *self) { HRESULT hr; void *ptr; ResetEvent(self->NotifyEvent); hr = IAudioClient_Start(self->client); if(FAILED(hr)) { ERR("Failed to start audio client: 0x%08lx\n", hr); return hr; } hr = IAudioClient_GetService(self->client, &IID_IAudioCaptureClient, &ptr); if(SUCCEEDED(hr)) { self->capture = ptr; self->killNow = 0; if(althrd_create(&self->thread, ALCmmdevCapture_recordProc, self) != althrd_success) { ERR("Failed to start thread\n"); IAudioCaptureClient_Release(self->capture); self->capture = NULL; hr = E_FAIL; } } if(FAILED(hr)) { IAudioClient_Stop(self->client); IAudioClient_Reset(self->client); } return hr; } static void ALCmmdevCapture_stop(ALCmmdevCapture *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCmmdevProxy, self))) (void)WaitForResponse(&req); } static void ALCmmdevCapture_stopProxy(ALCmmdevCapture *self) { int res; if(!self->capture) return; self->killNow = 1; althrd_join(self->thread, &res); IAudioCaptureClient_Release(self->capture); self->capture = NULL; IAudioClient_Stop(self->client); IAudioClient_Reset(self->client); } ALuint ALCmmdevCapture_availableSamples(ALCmmdevCapture *self) { return RingBufferSize(self->Ring); } ALCenum ALCmmdevCapture_captureSamples(ALCmmdevCapture *self, ALCvoid *buffer, ALCuint samples) { if(ALCmmdevCapture_availableSamples(self) < samples) return ALC_INVALID_VALUE; ReadRingBuffer(self->Ring, buffer, samples); return ALC_NO_ERROR; } static inline void AppendAllDevicesList2(const DevMap *entry) { AppendAllDevicesList(al_string_get_cstr(entry->name)); } static inline void AppendCaptureDeviceList2(const DevMap *entry) { AppendCaptureDeviceList(al_string_get_cstr(entry->name)); } typedef struct ALCmmdevBackendFactory { DERIVE_FROM_TYPE(ALCbackendFactory); } ALCmmdevBackendFactory; #define ALCMMDEVBACKENDFACTORY_INITIALIZER { { GET_VTABLE2(ALCmmdevBackendFactory, ALCbackendFactory) } } static ALCboolean ALCmmdevBackendFactory_init(ALCmmdevBackendFactory *self); static void ALCmmdevBackendFactory_deinit(ALCmmdevBackendFactory *self); static ALCboolean ALCmmdevBackendFactory_querySupport(ALCmmdevBackendFactory *self, ALCbackend_Type type); static void ALCmmdevBackendFactory_probe(ALCmmdevBackendFactory *self, enum DevProbe type); static ALCbackend* ALCmmdevBackendFactory_createBackend(ALCmmdevBackendFactory *self, ALCdevice *device, ALCbackend_Type type); DEFINE_ALCBACKENDFACTORY_VTABLE(ALCmmdevBackendFactory); static BOOL MMDevApiLoad(void) { static HRESULT InitResult; if(!ThreadHdl) { ThreadRequest req; InitResult = E_FAIL; req.FinishedEvt = CreateEvent(NULL, FALSE, FALSE, NULL); if(req.FinishedEvt == NULL) ERR("Failed to create event: %lu\n", GetLastError()); else { ThreadHdl = CreateThread(NULL, 0, ALCmmdevProxy_messageHandler, &req, 0, &ThreadID); if(ThreadHdl != NULL) InitResult = WaitForResponse(&req); CloseHandle(req.FinishedEvt); } } return SUCCEEDED(InitResult); } static ALCboolean ALCmmdevBackendFactory_init(ALCmmdevBackendFactory* UNUSED(self)) { VECTOR_INIT(PlaybackDevices); VECTOR_INIT(CaptureDevices); if(!MMDevApiLoad()) return ALC_FALSE; return ALC_TRUE; } static void ALCmmdevBackendFactory_deinit(ALCmmdevBackendFactory* UNUSED(self)) { clear_devlist(&PlaybackDevices); VECTOR_DEINIT(PlaybackDevices); clear_devlist(&CaptureDevices); VECTOR_DEINIT(CaptureDevices); if(ThreadHdl) { TRACE("Sending WM_QUIT to Thread %04lx\n", ThreadID); PostThreadMessage(ThreadID, WM_QUIT, 0, 0); CloseHandle(ThreadHdl); ThreadHdl = NULL; } } static ALCboolean ALCmmdevBackendFactory_querySupport(ALCmmdevBackendFactory* UNUSED(self), ALCbackend_Type type) { if(type == ALCbackend_Playback || type == ALCbackend_Capture) return ALC_TRUE; return ALC_FALSE; } static void ALCmmdevBackendFactory_probe(ALCmmdevBackendFactory* UNUSED(self), enum DevProbe type) { ThreadRequest req = { NULL, 0 }; req.FinishedEvt = CreateEvent(NULL, FALSE, FALSE, NULL); if(req.FinishedEvt == NULL) ERR("Failed to create event: %lu\n", GetLastError()); else { HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, type)) hr = WaitForResponse(&req); if(SUCCEEDED(hr)) switch(type) { case ALL_DEVICE_PROBE: VECTOR_FOR_EACH(const DevMap, PlaybackDevices, AppendAllDevicesList2); break; case CAPTURE_DEVICE_PROBE: VECTOR_FOR_EACH(const DevMap, CaptureDevices, AppendCaptureDeviceList2); break; } CloseHandle(req.FinishedEvt); req.FinishedEvt = NULL; } } static ALCbackend* ALCmmdevBackendFactory_createBackend(ALCmmdevBackendFactory* UNUSED(self), ALCdevice *device, ALCbackend_Type type) { if(type == ALCbackend_Playback) { ALCmmdevPlayback *backend; backend = ALCmmdevPlayback_New(sizeof(*backend)); if(!backend) return NULL; memset(backend, 0, sizeof(*backend)); ALCmmdevPlayback_Construct(backend, device); return STATIC_CAST(ALCbackend, backend); } if(type == ALCbackend_Capture) { ALCmmdevCapture *backend; backend = ALCmmdevCapture_New(sizeof(*backend)); if(!backend) return NULL; memset(backend, 0, sizeof(*backend)); ALCmmdevCapture_Construct(backend, device); return STATIC_CAST(ALCbackend, backend); } return NULL; } ALCbackendFactory *ALCmmdevBackendFactory_getFactory(void) { static ALCmmdevBackendFactory factory = ALCMMDEVBACKENDFACTORY_INITIALIZER; return STATIC_CAST(ALCbackendFactory, &factory); }