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tdesktop/Telegram/_openal_patch/Alc/backends/mmdevapi.c

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MSVC instruction improved for OpenAL, merging autoupdate code for all OSs (not tested yet!)
2015-06-03 18:13:01 +00:00
/**
* 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 <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <mmdeviceapi.h>
#include <audioclient.h>
#include <cguid.h>
#include <devpropdef.h>
#include <mmreg.h>
#include <propsys.h>
#include <propkey.h>
#include <devpkey.h>
#ifndef _WAVEFORMATEXTENSIBLE_
#include <ks.h>
#include <ksmedia.h>
#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)
#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)
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 || 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 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 || 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);
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);
}