/** * 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 #include #ifndef _WAVEFORMATEXTENSIBLE_ #include #include #endif #include "alMain.h" #include "alu.h" #include "ringbuffer.h" #include "threads.h" #include "compat.h" #include "alstring.h" #include "converter.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_PROPERTYKEY(PKEY_AudioEndpoint_GUID, 0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23,0xe0, 0xc0,0xff,0xee,0x7f,0x0e, 4 ); #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) #define X7DOT1_WIDE (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_FRONT_LEFT_OF_CENTER|SPEAKER_FRONT_RIGHT_OF_CENTER) #define REFTIME_PER_SEC ((REFERENCE_TIME)10000000) #define DEVNAME_HEAD "OpenAL Soft on " /* Scales the given value using 64-bit integer math, ceiling the result. */ static inline ALuint64 ScaleCeil(ALuint64 val, ALuint64 new_scale, ALuint64 old_scale) { return (val*new_scale + old_scale-1) / old_scale; } typedef struct { al_string name; al_string endpoint_guid; // obtained from PKEY_AudioEndpoint_GUID , set to "Unknown device GUID" if absent. 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); \ AL_STRING_DEINIT((i)->endpoint_guid); \ free((i)->devid); \ (i)->devid = NULL; \ } while(0) VECTOR_FOR_EACH(DevMap, *list, CLEAR_DEVMAP); VECTOR_RESIZE(*list, 0, 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 const char MessageStr[WM_USER_Last+1-WM_USER][20] = { "Open Device", "Reset Device", "Start Device", "Stop Device", "Close Device", "Enumerate Devices", }; 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_and_guid(IMMDevice *device, al_string *name, al_string *guid) { IPropertyStore *ps; PROPVARIANT pvname; PROPVARIANT pvguid; HRESULT hr; alstr_copy_cstr(name, DEVNAME_HEAD); hr = IMMDevice_OpenPropertyStore(device, STGM_READ, &ps); if(FAILED(hr)) { WARN("OpenPropertyStore failed: 0x%08lx\n", hr); alstr_append_cstr(name, "Unknown Device Name"); if(guid!=NULL)alstr_copy_cstr(guid, "Unknown Device GUID"); 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); alstr_append_cstr(name, "Unknown Device Name"); } else if(pvname.vt == VT_LPWSTR) alstr_append_wcstr(name, pvname.pwszVal); else { WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvname.vt); alstr_append_cstr(name, "Unknown Device Name"); } PropVariantClear(&pvname); if(guid!=NULL){ PropVariantInit(&pvguid); hr = IPropertyStore_GetValue(ps, (const PROPERTYKEY*)&PKEY_AudioEndpoint_GUID, &pvguid); if(FAILED(hr)) { WARN("GetValue AudioEndpoint_GUID failed: 0x%08lx\n", hr); alstr_copy_cstr(guid, "Unknown Device GUID"); } else if(pvguid.vt == VT_LPWSTR) alstr_copy_wcstr(guid, pvguid.pwszVal); else { WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvguid.vt); alstr_copy_cstr(guid, "Unknown Device GUID"); } PropVariantClear(&pvguid); } 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, const WCHAR *devid, vector_DevMap *list) { int count = 0; al_string tmpname; DevMap entry; AL_STRING_INIT(tmpname); AL_STRING_INIT(entry.name); AL_STRING_INIT(entry.endpoint_guid); entry.devid = strdupW(devid); get_device_name_and_guid(device, &tmpname, &entry.endpoint_guid); while(1) { const DevMap *iter; alstr_copy(&entry.name, tmpname); if(count != 0) { char str[64]; snprintf(str, sizeof(str), " #%d", count+1); alstr_append_cstr(&entry.name, str); } #define MATCH_ENTRY(i) (alstr_cmp(entry.name, (i)->name) == 0) VECTOR_FIND_IF(iter, const DevMap, *list, MATCH_ENTRY); if(iter == VECTOR_END(*list)) break; #undef MATCH_ENTRY count++; } TRACE("Got device \"%s\", \"%s\", \"%ls\"\n", alstr_get_cstr(entry.name), alstr_get_cstr(entry.endpoint_guid), entry.devid); VECTOR_PUSH_BACK(*list, entry); AL_STRING_DEINIT(tmpname); } static WCHAR *get_device_id(IMMDevice *device) { WCHAR *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; WCHAR *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); VECTOR_RESIZE(*list, 0, count); 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; WCHAR *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 ALCwasapiProxyVtable; typedef struct ALCwasapiProxy { const struct ALCwasapiProxyVtable *vtbl; } ALCwasapiProxy; struct ALCwasapiProxyVtable { HRESULT (*const openProxy)(ALCwasapiProxy*); void (*const closeProxy)(ALCwasapiProxy*); HRESULT (*const resetProxy)(ALCwasapiProxy*); HRESULT (*const startProxy)(ALCwasapiProxy*); void (*const stopProxy)(ALCwasapiProxy*); }; #define DEFINE_ALCWASAPIPROXY_VTABLE(T) \ DECLARE_THUNK(T, ALCwasapiProxy, HRESULT, openProxy) \ DECLARE_THUNK(T, ALCwasapiProxy, void, closeProxy) \ DECLARE_THUNK(T, ALCwasapiProxy, HRESULT, resetProxy) \ DECLARE_THUNK(T, ALCwasapiProxy, HRESULT, startProxy) \ DECLARE_THUNK(T, ALCwasapiProxy, void, stopProxy) \ \ static const struct ALCwasapiProxyVtable T##_ALCwasapiProxy_vtable = { \ T##_ALCwasapiProxy_openProxy, \ T##_ALCwasapiProxy_closeProxy, \ T##_ALCwasapiProxy_resetProxy, \ T##_ALCwasapiProxy_startProxy, \ T##_ALCwasapiProxy_stopProxy, \ } static void ALCwasapiProxy_Construct(ALCwasapiProxy* UNUSED(self)) { } static void ALCwasapiProxy_Destruct(ALCwasapiProxy* UNUSED(self)) { } static DWORD CALLBACK ALCwasapiProxy_messageHandler(void *ptr) { ThreadRequest *req = ptr; IMMDeviceEnumerator *Enumerator; ALuint deviceCount = 0; ALCwasapiProxy *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 \"%s\" (0x%04x, lparam=%p, wparam=%p)\n", (msg.message >= WM_USER && msg.message <= WM_USER_Last) ? MessageStr[msg.message-WM_USER] : "Unknown", msg.message, (void*)msg.lParam, (void*)msg.wParam ); switch(msg.message) { case WM_USER_OpenDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCwasapiProxy*)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 = (ALCwasapiProxy*)msg.lParam; hr = V0(proxy,resetProxy)(); ReturnMsgResponse(req, hr); continue; case WM_USER_StartDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCwasapiProxy*)msg.lParam; hr = V0(proxy,startProxy)(); ReturnMsgResponse(req, hr); continue; case WM_USER_StopDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCwasapiProxy*)msg.lParam; V0(proxy,stopProxy)(); ReturnMsgResponse(req, S_OK); continue; case WM_USER_CloseDevice: req = (ThreadRequest*)msg.wParam; proxy = (ALCwasapiProxy*)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 ALCwasapiPlayback { DERIVE_FROM_TYPE(ALCbackend); DERIVE_FROM_TYPE(ALCwasapiProxy); WCHAR *devid; IMMDevice *mmdev; IAudioClient *client; IAudioRenderClient *render; HANDLE NotifyEvent; HANDLE MsgEvent; ATOMIC(UINT32) Padding; ATOMIC(int) killNow; althrd_t thread; } ALCwasapiPlayback; static int ALCwasapiPlayback_mixerProc(void *arg); static void ALCwasapiPlayback_Construct(ALCwasapiPlayback *self, ALCdevice *device); static void ALCwasapiPlayback_Destruct(ALCwasapiPlayback *self); static ALCenum ALCwasapiPlayback_open(ALCwasapiPlayback *self, const ALCchar *name); static HRESULT ALCwasapiPlayback_openProxy(ALCwasapiPlayback *self); static void ALCwasapiPlayback_closeProxy(ALCwasapiPlayback *self); static ALCboolean ALCwasapiPlayback_reset(ALCwasapiPlayback *self); static HRESULT ALCwasapiPlayback_resetProxy(ALCwasapiPlayback *self); static ALCboolean ALCwasapiPlayback_start(ALCwasapiPlayback *self); static HRESULT ALCwasapiPlayback_startProxy(ALCwasapiPlayback *self); static void ALCwasapiPlayback_stop(ALCwasapiPlayback *self); static void ALCwasapiPlayback_stopProxy(ALCwasapiPlayback *self); static DECLARE_FORWARD2(ALCwasapiPlayback, ALCbackend, ALCenum, captureSamples, ALCvoid*, ALCuint) static DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, ALCuint, availableSamples) static ClockLatency ALCwasapiPlayback_getClockLatency(ALCwasapiPlayback *self); static DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, void, lock) static DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCwasapiPlayback) DEFINE_ALCWASAPIPROXY_VTABLE(ALCwasapiPlayback); DEFINE_ALCBACKEND_VTABLE(ALCwasapiPlayback); static void ALCwasapiPlayback_Construct(ALCwasapiPlayback *self, ALCdevice *device) { SET_VTABLE2(ALCwasapiPlayback, ALCbackend, self); SET_VTABLE2(ALCwasapiPlayback, ALCwasapiProxy, self); ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device); ALCwasapiProxy_Construct(STATIC_CAST(ALCwasapiProxy, self)); self->devid = NULL; self->mmdev = NULL; self->client = NULL; self->render = NULL; self->NotifyEvent = NULL; self->MsgEvent = NULL; ATOMIC_INIT(&self->Padding, 0); ATOMIC_INIT(&self->killNow, 0); } static void ALCwasapiPlayback_Destruct(ALCwasapiPlayback *self) { if(self->MsgEvent) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) (void)WaitForResponse(&req); CloseHandle(self->MsgEvent); self->MsgEvent = NULL; } if(self->NotifyEvent) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; free(self->devid); self->devid = 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; ALCwasapiProxy_Destruct(STATIC_CAST(ALCwasapiProxy, self)); ALCbackend_Destruct(STATIC_CAST(ALCbackend, self)); } FORCE_ALIGN static int ALCwasapiPlayback_mixerProc(void *arg) { ALCwasapiPlayback *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, "COM init failed: 0x%08lx", hr); 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(!ATOMIC_LOAD(&self->killNow, almemory_order_relaxed)) { hr = IAudioClient_GetCurrentPadding(self->client, &written); if(FAILED(hr)) { ERR("Failed to get padding: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device, "Failed to retrieve buffer padding: 0x%08lx", hr); V0(device->Backend,unlock)(); break; } ATOMIC_STORE(&self->Padding, written, almemory_order_relaxed); 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)) { ALCwasapiPlayback_lock(self); aluMixData(device, buffer, len); ATOMIC_STORE(&self->Padding, written + len, almemory_order_relaxed); ALCwasapiPlayback_unlock(self); 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, "Failed to send playback samples: 0x%08lx", hr); V0(device->Backend,unlock)(); break; } } ATOMIC_STORE(&self->Padding, 0, almemory_order_release); 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 ALCwasapiPlayback_open(ALCwasapiPlayback *self, const ALCchar *deviceName) { HRESULT hr = S_OK; self->NotifyEvent = CreateEventW(NULL, FALSE, FALSE, NULL); self->MsgEvent = CreateEventW(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(PlaybackDevices) == 0) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, ALL_DEVICE_PROBE)) (void)WaitForResponse(&req); } hr = E_FAIL; #define MATCH_NAME(i) (alstr_cmp_cstr((i)->name, deviceName) == 0 || \ alstr_cmp_cstr((i)->endpoint_guid, deviceName) == 0) VECTOR_FIND_IF(iter, const DevMap, PlaybackDevices, MATCH_NAME); #undef MATCH_NAME if(iter == VECTOR_END(PlaybackDevices)) { int len; if((len=MultiByteToWideChar(CP_UTF8, 0, deviceName, -1, NULL, 0)) > 0) { WCHAR *wname = calloc(sizeof(WCHAR), len); MultiByteToWideChar(CP_UTF8, 0, deviceName, -1, wname, len); #define MATCH_NAME(i) (wcscmp((i)->devid, wname) == 0) VECTOR_FIND_IF(iter, const DevMap, PlaybackDevices, MATCH_NAME); #undef MATCH_NAME free(wname); } } if(iter == VECTOR_END(PlaybackDevices)) WARN("Failed to find device name matching \"%s\"\n", deviceName); else { ALCdevice *device = STATIC_CAST(ALCbackend,self)->mDevice; self->devid = strdupW(iter->devid); alstr_copy(&device->DeviceName, iter->name); hr = S_OK; } } } if(SUCCEEDED(hr)) { ThreadRequest req = { self->MsgEvent, 0 }; hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, 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 ALCwasapiPlayback_openProxy(ALCwasapiPlayback *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; if(alstr_empty(device->DeviceName)) get_device_name_and_guid(self->mmdev, &device->DeviceName, NULL); } if(FAILED(hr)) { if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } return hr; } static void ALCwasapiPlayback_closeProxy(ALCwasapiPlayback *self) { if(self->client) IAudioClient_Release(self->client); self->client = NULL; if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } static ALCboolean ALCwasapiPlayback_reset(ALCwasapiPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCwasapiPlayback_resetProxy(ALCwasapiPlayback *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 = ScaleCeil(device->UpdateSize*device->NumUpdates, REFTIME_PER_SEC, 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 || OutputType.dwChannelMask == X7DOT1_WIDE)) 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 DevFmtAmbi3D: 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 || OutputType.dwChannelMask == X7DOT1_WIDE)) 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 || formfactor == Headset) ); 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)ScaleCeil(min_per, device->Frequency, REFTIME_PER_SEC); /* 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 ALCwasapiPlayback_start(ALCwasapiPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCwasapiPlayback_startProxy(ALCwasapiPlayback *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; ATOMIC_STORE(&self->killNow, 0, almemory_order_release); if(althrd_create(&self->thread, ALCwasapiPlayback_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 ALCwasapiPlayback_stop(ALCwasapiPlayback *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) (void)WaitForResponse(&req); } static void ALCwasapiPlayback_stopProxy(ALCwasapiPlayback *self) { int res; if(!self->render) return; ATOMIC_STORE_SEQ(&self->killNow, 1); althrd_join(self->thread, &res); IAudioRenderClient_Release(self->render); self->render = NULL; IAudioClient_Stop(self->client); } static ClockLatency ALCwasapiPlayback_getClockLatency(ALCwasapiPlayback *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; ClockLatency ret; ALCwasapiPlayback_lock(self); ret.ClockTime = GetDeviceClockTime(device); ret.Latency = ATOMIC_LOAD(&self->Padding, almemory_order_relaxed) * DEVICE_CLOCK_RES / device->Frequency; ALCwasapiPlayback_unlock(self); return ret; } typedef struct ALCwasapiCapture { DERIVE_FROM_TYPE(ALCbackend); DERIVE_FROM_TYPE(ALCwasapiProxy); WCHAR *devid; IMMDevice *mmdev; IAudioClient *client; IAudioCaptureClient *capture; HANDLE NotifyEvent; HANDLE MsgEvent; ChannelConverter *ChannelConv; SampleConverter *SampleConv; ll_ringbuffer_t *Ring; ATOMIC(int) killNow; althrd_t thread; } ALCwasapiCapture; static int ALCwasapiCapture_recordProc(void *arg); static void ALCwasapiCapture_Construct(ALCwasapiCapture *self, ALCdevice *device); static void ALCwasapiCapture_Destruct(ALCwasapiCapture *self); static ALCenum ALCwasapiCapture_open(ALCwasapiCapture *self, const ALCchar *name); static HRESULT ALCwasapiCapture_openProxy(ALCwasapiCapture *self); static void ALCwasapiCapture_closeProxy(ALCwasapiCapture *self); static DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, ALCboolean, reset) static HRESULT ALCwasapiCapture_resetProxy(ALCwasapiCapture *self); static ALCboolean ALCwasapiCapture_start(ALCwasapiCapture *self); static HRESULT ALCwasapiCapture_startProxy(ALCwasapiCapture *self); static void ALCwasapiCapture_stop(ALCwasapiCapture *self); static void ALCwasapiCapture_stopProxy(ALCwasapiCapture *self); static ALCenum ALCwasapiCapture_captureSamples(ALCwasapiCapture *self, ALCvoid *buffer, ALCuint samples); static ALuint ALCwasapiCapture_availableSamples(ALCwasapiCapture *self); static DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, ClockLatency, getClockLatency) static DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, void, lock) static DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, void, unlock) DECLARE_DEFAULT_ALLOCATORS(ALCwasapiCapture) DEFINE_ALCWASAPIPROXY_VTABLE(ALCwasapiCapture); DEFINE_ALCBACKEND_VTABLE(ALCwasapiCapture); static void ALCwasapiCapture_Construct(ALCwasapiCapture *self, ALCdevice *device) { SET_VTABLE2(ALCwasapiCapture, ALCbackend, self); SET_VTABLE2(ALCwasapiCapture, ALCwasapiProxy, self); ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device); ALCwasapiProxy_Construct(STATIC_CAST(ALCwasapiProxy, self)); self->devid = NULL; self->mmdev = NULL; self->client = NULL; self->capture = NULL; self->NotifyEvent = NULL; self->MsgEvent = NULL; self->ChannelConv = NULL; self->SampleConv = NULL; self->Ring = NULL; ATOMIC_INIT(&self->killNow, 0); } static void ALCwasapiCapture_Destruct(ALCwasapiCapture *self) { if(self->MsgEvent) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) (void)WaitForResponse(&req); CloseHandle(self->MsgEvent); self->MsgEvent = NULL; } if(self->NotifyEvent != NULL) CloseHandle(self->NotifyEvent); self->NotifyEvent = NULL; ll_ringbuffer_free(self->Ring); self->Ring = NULL; DestroySampleConverter(&self->SampleConv); DestroyChannelConverter(&self->ChannelConv); free(self->devid); self->devid = NULL; ALCwasapiProxy_Destruct(STATIC_CAST(ALCwasapiProxy, self)); ALCbackend_Destruct(STATIC_CAST(ALCbackend, self)); } FORCE_ALIGN int ALCwasapiCapture_recordProc(void *arg) { ALCwasapiCapture *self = arg; ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; ALfloat *samples = NULL; size_t samplesmax = 0; HRESULT hr; hr = CoInitialize(NULL); if(FAILED(hr)) { ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr); V0(device->Backend,lock)(); aluHandleDisconnect(device, "COM init failed: 0x%08lx", hr); V0(device->Backend,unlock)(); return 1; } althrd_setname(althrd_current(), RECORD_THREAD_NAME); while(!ATOMIC_LOAD(&self->killNow, almemory_order_relaxed)) { 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 if(avail > 0) { UINT32 numsamples; DWORD flags; BYTE *rdata; hr = IAudioCaptureClient_GetBuffer(self->capture, &rdata, &numsamples, &flags, NULL, NULL ); if(FAILED(hr)) ERR("Failed to get capture buffer: 0x%08lx\n", hr); else { ll_ringbuffer_data_t data[2]; size_t dstframes = 0; if(self->ChannelConv) { if(samplesmax < numsamples) { size_t newmax = RoundUp(numsamples, 4096); ALfloat *tmp = al_calloc(DEF_ALIGN, newmax*2*sizeof(ALfloat)); al_free(samples); samples = tmp; samplesmax = newmax; } ChannelConverterInput(self->ChannelConv, rdata, samples, numsamples); rdata = (BYTE*)samples; } ll_ringbuffer_get_write_vector(self->Ring, data); if(self->SampleConv) { const ALvoid *srcdata = rdata; ALsizei srcframes = numsamples; dstframes = SampleConverterInput(self->SampleConv, &srcdata, &srcframes, data[0].buf, (ALsizei)minz(data[0].len, INT_MAX) ); if(srcframes > 0 && dstframes == data[0].len && data[1].len > 0) { /* If some source samples remain, all of the first dest * block was filled, and there's space in the second * dest block, do another run for the second block. */ dstframes += SampleConverterInput(self->SampleConv, &srcdata, &srcframes, data[1].buf, (ALsizei)minz(data[1].len, INT_MAX) ); } } else { ALuint framesize = FrameSizeFromDevFmt(device->FmtChans, device->FmtType, device->AmbiOrder); size_t len1 = minz(data[0].len, numsamples); size_t len2 = minz(data[1].len, numsamples-len1); memcpy(data[0].buf, rdata, len1*framesize); if(len2 > 0) memcpy(data[1].buf, rdata+len1*framesize, len2*framesize); dstframes = len1 + len2; } ll_ringbuffer_write_advance(self->Ring, dstframes); hr = IAudioCaptureClient_ReleaseBuffer(self->capture, numsamples); if(FAILED(hr)) ERR("Failed to release capture buffer: 0x%08lx\n", hr); } } if(FAILED(hr)) { V0(device->Backend,lock)(); aluHandleDisconnect(device, "Failed to capture samples: 0x%08lx", hr); V0(device->Backend,unlock)(); break; } res = WaitForSingleObjectEx(self->NotifyEvent, 2000, FALSE); if(res != WAIT_OBJECT_0) ERR("WaitForSingleObjectEx error: 0x%lx\n", res); } al_free(samples); samples = NULL; samplesmax = 0; CoUninitialize(); return 0; } static ALCenum ALCwasapiCapture_open(ALCwasapiCapture *self, const ALCchar *deviceName) { HRESULT hr = S_OK; self->NotifyEvent = CreateEventW(NULL, FALSE, FALSE, NULL); self->MsgEvent = CreateEventW(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) (alstr_cmp_cstr((i)->name, deviceName) == 0 || \ alstr_cmp_cstr((i)->endpoint_guid, deviceName) == 0) VECTOR_FIND_IF(iter, const DevMap, CaptureDevices, MATCH_NAME); #undef MATCH_NAME if(iter == VECTOR_END(CaptureDevices)) { int len; if((len=MultiByteToWideChar(CP_UTF8, 0, deviceName, -1, NULL, 0)) > 0) { WCHAR *wname = calloc(sizeof(WCHAR), len); MultiByteToWideChar(CP_UTF8, 0, deviceName, -1, wname, len); #define MATCH_NAME(i) (wcscmp((i)->devid, wname) == 0) VECTOR_FIND_IF(iter, const DevMap, CaptureDevices, MATCH_NAME); #undef MATCH_NAME free(wname); } } if(iter == VECTOR_END(CaptureDevices)) WARN("Failed to find device name matching \"%s\"\n", deviceName); else { ALCdevice *device = STATIC_CAST(ALCbackend,self)->mDevice; self->devid = strdupW(iter->devid); alstr_copy(&device->DeviceName, iter->name); hr = S_OK; } } } if(SUCCEEDED(hr)) { ThreadRequest req = { self->MsgEvent, 0 }; hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, 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(ALCwasapiProxy, self))) hr = WaitForResponse(&req); else ERR("Failed to post thread message: %lu\n", GetLastError()); if(FAILED(hr)) { if(hr == E_OUTOFMEMORY) return ALC_OUT_OF_MEMORY; return ALC_INVALID_VALUE; } } return ALC_NO_ERROR; } static HRESULT ALCwasapiCapture_openProxy(ALCwasapiCapture *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; if(alstr_empty(device->DeviceName)) get_device_name_and_guid(self->mmdev, &device->DeviceName, NULL); } if(FAILED(hr)) { if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } return hr; } static void ALCwasapiCapture_closeProxy(ALCwasapiCapture *self) { if(self->client) IAudioClient_Release(self->client); self->client = NULL; if(self->mmdev) IMMDevice_Release(self->mmdev); self->mmdev = NULL; } static HRESULT ALCwasapiCapture_resetProxy(ALCwasapiCapture *self) { ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice; WAVEFORMATEXTENSIBLE OutputType; WAVEFORMATEX *wfx = NULL; enum DevFmtType srcType; 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 = ScaleCeil(device->UpdateSize*device->NumUpdates, REFTIME_PER_SEC, device->Frequency); // Make sure buffer is at least 100ms in size buf_time = maxu64(buf_time, REFTIME_PER_SEC/10); device->UpdateSize = (ALuint)ScaleCeil(buf_time, device->Frequency, REFTIME_PER_SEC) / device->NumUpdates; 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 DevFmtAmbi3D: return E_FAIL; } switch(device->FmtType) { /* NOTE: Signedness doesn't matter, the converter will handle it. */ case DevFmtByte: case DevFmtUByte: OutputType.Format.wBitsPerSample = 8; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtShort: case DevFmtUShort: OutputType.Format.wBitsPerSample = 16; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtInt: case DevFmtUInt: OutputType.Format.wBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; break; case DevFmtFloat: OutputType.Format.wBitsPerSample = 32; OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; break; } OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample; OutputType.Format.nSamplesPerSec = device->Frequency; OutputType.Format.nBlockAlign = OutputType.Format.nChannels * OutputType.Format.wBitsPerSample / 8; OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec * OutputType.Format.nBlockAlign; OutputType.Format.cbSize = sizeof(OutputType) - sizeof(OutputType.Format); hr = IAudioClient_IsFormatSupported(self->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx ); if(FAILED(hr)) { ERR("Failed to check format support: 0x%08lx\n", hr); return hr; } DestroySampleConverter(&self->SampleConv); DestroyChannelConverter(&self->ChannelConv); if(wfx != NULL) { if(!(wfx->nChannels == OutputType.Format.nChannels || (wfx->nChannels == 1 && OutputType.Format.nChannels == 2) || (wfx->nChannels == 2 && OutputType.Format.nChannels == 1))) { ERR("Failed to get matching format, wanted: %s %s %uhz, got: %d channel%s %d-bit %luhz\n", DevFmtChannelsString(device->FmtChans), DevFmtTypeString(device->FmtType), device->Frequency, wfx->nChannels, (wfx->nChannels==1)?"":"s", wfx->wBitsPerSample, wfx->nSamplesPerSec); CoTaskMemFree(wfx); return E_FAIL; } if(!MakeExtensible(&OutputType, wfx)) { CoTaskMemFree(wfx); return E_FAIL; } CoTaskMemFree(wfx); wfx = NULL; } if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM)) { if(OutputType.Format.wBitsPerSample == 8) srcType = DevFmtUByte; else if(OutputType.Format.wBitsPerSample == 16) srcType = DevFmtShort; else if(OutputType.Format.wBitsPerSample == 32) srcType = DevFmtInt; else { ERR("Unhandled integer bit depth: %d\n", OutputType.Format.wBitsPerSample); return E_FAIL; } } else if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) { if(OutputType.Format.wBitsPerSample == 32) srcType = DevFmtFloat; else { ERR("Unhandled float bit depth: %d\n", OutputType.Format.wBitsPerSample); return E_FAIL; } } else { ERR("Unhandled format sub-type\n"); return E_FAIL; } if(device->FmtChans == DevFmtMono && OutputType.Format.nChannels == 2) { self->ChannelConv = CreateChannelConverter(srcType, DevFmtStereo, device->FmtChans); if(!self->ChannelConv) { ERR("Failed to create %s stereo-to-mono converter\n", DevFmtTypeString(srcType)); return E_FAIL; } TRACE("Created %s stereo-to-mono converter\n", DevFmtTypeString(srcType)); /* The channel converter always outputs float, so change the input type * for the resampler/type-converter. */ srcType = DevFmtFloat; } else if(device->FmtChans == DevFmtStereo && OutputType.Format.nChannels == 1) { self->ChannelConv = CreateChannelConverter(srcType, DevFmtMono, device->FmtChans); if(!self->ChannelConv) { ERR("Failed to create %s mono-to-stereo converter\n", DevFmtTypeString(srcType)); return E_FAIL; } TRACE("Created %s mono-to-stereo converter\n", DevFmtTypeString(srcType)); srcType = DevFmtFloat; } if(device->Frequency != OutputType.Format.nSamplesPerSec || device->FmtType != srcType) { self->SampleConv = CreateSampleConverter( srcType, device->FmtType, ChannelsFromDevFmt(device->FmtChans, device->AmbiOrder), OutputType.Format.nSamplesPerSec, device->Frequency ); if(!self->SampleConv) { ERR("Failed to create converter for %s format, dst: %s %uhz, src: %s %luhz\n", DevFmtChannelsString(device->FmtChans), DevFmtTypeString(device->FmtType), device->Frequency, DevFmtTypeString(srcType), OutputType.Format.nSamplesPerSec); return E_FAIL; } TRACE("Created converter for %s format, dst: %s %uhz, src: %s %luhz\n", DevFmtChannelsString(device->FmtChans), DevFmtTypeString(device->FmtType), device->Frequency, DevFmtTypeString(srcType), OutputType.Format.nSamplesPerSec); } 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); ll_ringbuffer_free(self->Ring); self->Ring = ll_ringbuffer_create(buffer_len, FrameSizeFromDevFmt(device->FmtChans, device->FmtType, device->AmbiOrder), false ); 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 ALCwasapiCapture_start(ALCwasapiCapture *self) { ThreadRequest req = { self->MsgEvent, 0 }; HRESULT hr = E_FAIL; if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) hr = WaitForResponse(&req); return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; } static HRESULT ALCwasapiCapture_startProxy(ALCwasapiCapture *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; ATOMIC_STORE(&self->killNow, 0, almemory_order_release); if(althrd_create(&self->thread, ALCwasapiCapture_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 ALCwasapiCapture_stop(ALCwasapiCapture *self) { ThreadRequest req = { self->MsgEvent, 0 }; if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)STATIC_CAST(ALCwasapiProxy, self))) (void)WaitForResponse(&req); } static void ALCwasapiCapture_stopProxy(ALCwasapiCapture *self) { int res; if(!self->capture) return; ATOMIC_STORE_SEQ(&self->killNow, 1); althrd_join(self->thread, &res); IAudioCaptureClient_Release(self->capture); self->capture = NULL; IAudioClient_Stop(self->client); IAudioClient_Reset(self->client); } ALuint ALCwasapiCapture_availableSamples(ALCwasapiCapture *self) { return (ALuint)ll_ringbuffer_read_space(self->Ring); } ALCenum ALCwasapiCapture_captureSamples(ALCwasapiCapture *self, ALCvoid *buffer, ALCuint samples) { if(ALCwasapiCapture_availableSamples(self) < samples) return ALC_INVALID_VALUE; ll_ringbuffer_read(self->Ring, buffer, samples); return ALC_NO_ERROR; } static inline void AppendAllDevicesList2(const DevMap *entry) { AppendAllDevicesList(alstr_get_cstr(entry->name)); } static inline void AppendCaptureDeviceList2(const DevMap *entry) { AppendCaptureDeviceList(alstr_get_cstr(entry->name)); } typedef struct ALCwasapiBackendFactory { DERIVE_FROM_TYPE(ALCbackendFactory); } ALCwasapiBackendFactory; #define ALCWASAPIBACKENDFACTORY_INITIALIZER { { GET_VTABLE2(ALCwasapiBackendFactory, ALCbackendFactory) } } static ALCboolean ALCwasapiBackendFactory_init(ALCwasapiBackendFactory *self); static void ALCwasapiBackendFactory_deinit(ALCwasapiBackendFactory *self); static ALCboolean ALCwasapiBackendFactory_querySupport(ALCwasapiBackendFactory *self, ALCbackend_Type type); static void ALCwasapiBackendFactory_probe(ALCwasapiBackendFactory *self, enum DevProbe type); static ALCbackend* ALCwasapiBackendFactory_createBackend(ALCwasapiBackendFactory *self, ALCdevice *device, ALCbackend_Type type); DEFINE_ALCBACKENDFACTORY_VTABLE(ALCwasapiBackendFactory); static ALCboolean ALCwasapiBackendFactory_init(ALCwasapiBackendFactory* UNUSED(self)) { static HRESULT InitResult; VECTOR_INIT(PlaybackDevices); VECTOR_INIT(CaptureDevices); if(!ThreadHdl) { ThreadRequest req; InitResult = E_FAIL; req.FinishedEvt = CreateEventW(NULL, FALSE, FALSE, NULL); if(req.FinishedEvt == NULL) ERR("Failed to create event: %lu\n", GetLastError()); else { ThreadHdl = CreateThread(NULL, 0, ALCwasapiProxy_messageHandler, &req, 0, &ThreadID); if(ThreadHdl != NULL) InitResult = WaitForResponse(&req); CloseHandle(req.FinishedEvt); } } return SUCCEEDED(InitResult) ? ALC_TRUE : ALC_FALSE; } static void ALCwasapiBackendFactory_deinit(ALCwasapiBackendFactory* 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 ALCwasapiBackendFactory_querySupport(ALCwasapiBackendFactory* UNUSED(self), ALCbackend_Type type) { if(type == ALCbackend_Playback || type == ALCbackend_Capture) return ALC_TRUE; return ALC_FALSE; } static void ALCwasapiBackendFactory_probe(ALCwasapiBackendFactory* UNUSED(self), enum DevProbe type) { ThreadRequest req = { NULL, 0 }; req.FinishedEvt = CreateEventW(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* ALCwasapiBackendFactory_createBackend(ALCwasapiBackendFactory* UNUSED(self), ALCdevice *device, ALCbackend_Type type) { if(type == ALCbackend_Playback) { ALCwasapiPlayback *backend; NEW_OBJ(backend, ALCwasapiPlayback)(device); if(!backend) return NULL; return STATIC_CAST(ALCbackend, backend); } if(type == ALCbackend_Capture) { ALCwasapiCapture *backend; NEW_OBJ(backend, ALCwasapiCapture)(device); if(!backend) return NULL; return STATIC_CAST(ALCbackend, backend); } return NULL; } ALCbackendFactory *ALCwasapiBackendFactory_getFactory(void) { static ALCwasapiBackendFactory factory = ALCWASAPIBACKENDFACTORY_INITIALIZER; return STATIC_CAST(ALCbackendFactory, &factory); }