787 lines
25 KiB
C
787 lines
25 KiB
C
/**
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
* Or go to http://www.gnu.org/copyleft/lgpl.html
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#define COBJMACROS
|
|
#define _WIN32_WINNT 0x0500
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <memory.h>
|
|
|
|
#include <mmdeviceapi.h>
|
|
#include <audioclient.h>
|
|
#include <cguid.h>
|
|
#include <mmreg.h>
|
|
#ifndef _WAVEFORMATEXTENSIBLE_
|
|
#include <ks.h>
|
|
#include <ksmedia.h>
|
|
#endif
|
|
|
|
#include "alMain.h"
|
|
#include "AL/al.h"
|
|
#include "AL/alc.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 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_BACK_LEFT|SPEAKER_BACK_RIGHT)
|
|
#define X5DOT1SIDE (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
|
|
#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
|
|
#define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
|
|
|
|
|
|
typedef struct {
|
|
IMMDevice *mmdev;
|
|
IAudioClient *client;
|
|
HANDLE hNotifyEvent;
|
|
|
|
HANDLE MsgEvent;
|
|
|
|
volatile int killNow;
|
|
ALvoid *thread;
|
|
} MMDevApiData;
|
|
|
|
|
|
static const ALCchar mmDevice[] = "WASAPI Default";
|
|
|
|
|
|
static HANDLE ThreadHdl;
|
|
static DWORD ThreadID;
|
|
|
|
typedef struct {
|
|
HANDLE FinishedEvt;
|
|
HRESULT result;
|
|
} ThreadRequest;
|
|
|
|
#define WM_USER_OpenDevice (WM_USER+0)
|
|
#define WM_USER_ResetDevice (WM_USER+1)
|
|
#define WM_USER_StopDevice (WM_USER+2)
|
|
#define WM_USER_CloseDevice (WM_USER+3)
|
|
|
|
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 ALuint MMDevApiProc(ALvoid *ptr)
|
|
{
|
|
ALCdevice *device = ptr;
|
|
MMDevApiData *data = device->ExtraData;
|
|
union {
|
|
IAudioRenderClient *iface;
|
|
void *ptr;
|
|
} render;
|
|
UINT32 written, len;
|
|
BYTE *buffer;
|
|
HRESULT hr;
|
|
|
|
hr = CoInitialize(NULL);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("CoInitialize(NULL) failed: 0x%08lx\n", hr);
|
|
aluHandleDisconnect(device);
|
|
return 0;
|
|
}
|
|
|
|
hr = IAudioClient_GetService(data->client, &IID_IAudioRenderClient, &render.ptr);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get AudioRenderClient service: 0x%08lx\n", hr);
|
|
aluHandleDisconnect(device);
|
|
return 0;
|
|
}
|
|
|
|
SetRTPriority();
|
|
|
|
while(!data->killNow)
|
|
{
|
|
hr = IAudioClient_GetCurrentPadding(data->client, &written);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get padding: 0x%08lx\n", hr);
|
|
aluHandleDisconnect(device);
|
|
break;
|
|
}
|
|
|
|
len = device->UpdateSize*device->NumUpdates - written;
|
|
if(len < device->UpdateSize)
|
|
{
|
|
DWORD res;
|
|
res = WaitForSingleObjectEx(data->hNotifyEvent, 2000, FALSE);
|
|
if(res != WAIT_OBJECT_0)
|
|
ERR("WaitForSingleObjectEx error: 0x%lx\n", res);
|
|
continue;
|
|
}
|
|
len -= len%device->UpdateSize;
|
|
|
|
hr = IAudioRenderClient_GetBuffer(render.iface, len, &buffer);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
aluMixData(device, buffer, len);
|
|
hr = IAudioRenderClient_ReleaseBuffer(render.iface, len, 0);
|
|
}
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to buffer data: 0x%08lx\n", hr);
|
|
aluHandleDisconnect(device);
|
|
break;
|
|
}
|
|
}
|
|
|
|
IAudioRenderClient_Release(render.iface);
|
|
|
|
CoUninitialize();
|
|
return 0;
|
|
}
|
|
|
|
|
|
static ALCboolean MakeExtensible(WAVEFORMATEXTENSIBLE *out, const WAVEFORMATEX *in)
|
|
{
|
|
memset(out, 0, sizeof(*out));
|
|
if(in->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
|
|
*out = *(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 HRESULT DoReset(ALCdevice *device)
|
|
{
|
|
MMDevApiData *data = device->ExtraData;
|
|
WAVEFORMATEXTENSIBLE OutputType;
|
|
WAVEFORMATEX *wfx = NULL;
|
|
REFERENCE_TIME min_per;
|
|
UINT32 buffer_len, min_len;
|
|
HRESULT hr;
|
|
|
|
hr = IAudioClient_GetMixFormat(data->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;
|
|
|
|
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 == X5DOT1SIDE)
|
|
device->FmtChans = DevFmtX51Side;
|
|
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
|
|
device->FmtChans = DevFmtX61;
|
|
else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
|
|
device->FmtChans = DevFmtX71;
|
|
else
|
|
ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
|
|
}
|
|
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono:
|
|
OutputType.Format.nChannels = 1;
|
|
OutputType.dwChannelMask = MONO;
|
|
break;
|
|
case 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 DevFmtX51Side:
|
|
OutputType.Format.nChannels = 6;
|
|
OutputType.dwChannelMask = X5DOT1SIDE;
|
|
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 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(data->client, AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to check format support: 0x%08lx\n", hr);
|
|
hr = IAudioClient_GetMixFormat(data->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;
|
|
|
|
if(device->Frequency != OutputType.Format.nSamplesPerSec)
|
|
{
|
|
if((device->Flags&DEVICE_FREQUENCY_REQUEST))
|
|
ERR("Failed to set %dhz, got %ldhz instead\n", device->Frequency, OutputType.Format.nSamplesPerSec);
|
|
device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
|
|
device->Frequency = OutputType.Format.nSamplesPerSec;
|
|
}
|
|
|
|
if(!((device->FmtChans == DevFmtMono && OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO) ||
|
|
(device->FmtChans == DevFmtStereo && OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO) ||
|
|
(device->FmtChans == DevFmtQuad && OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD) ||
|
|
(device->FmtChans == DevFmtX51 && OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1) ||
|
|
(device->FmtChans == DevFmtX51Side && OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1SIDE) ||
|
|
(device->FmtChans == DevFmtX61 && OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1) ||
|
|
(device->FmtChans == DevFmtX71 && OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)))
|
|
{
|
|
if((device->Flags&DEVICE_CHANNELS_REQUEST))
|
|
ERR("Failed to set %s, got %d channels (0x%08lx) instead\n", DevFmtChannelsString(device->FmtChans), OutputType.Format.nChannels, OutputType.dwChannelMask);
|
|
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 == X5DOT1SIDE)
|
|
device->FmtChans = DevFmtX51Side;
|
|
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
|
|
device->FmtChans = DevFmtX61;
|
|
else if(OutputType.Format.nChannels == 8 && OutputType.dwChannelMask == X7DOT1)
|
|
device->FmtChans = DevFmtX71;
|
|
else
|
|
{
|
|
ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
|
|
device->FmtChans = DevFmtStereo;
|
|
OutputType.Format.nChannels = 2;
|
|
OutputType.dwChannelMask = STEREO;
|
|
}
|
|
}
|
|
|
|
if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_PCM))
|
|
{
|
|
if(OutputType.Samples.wValidBitsPerSample == 0)
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
if(OutputType.Samples.wValidBitsPerSample != OutputType.Format.wBitsPerSample ||
|
|
!((device->FmtType == DevFmtUByte && OutputType.Format.wBitsPerSample == 8) ||
|
|
(device->FmtType == DevFmtShort && OutputType.Format.wBitsPerSample == 16)))
|
|
{
|
|
ERR("Failed to set %s samples, got %d/%d-bit instead\n", DevFmtTypeString(device->FmtType), OutputType.Samples.wValidBitsPerSample, OutputType.Format.wBitsPerSample);
|
|
if(OutputType.Format.wBitsPerSample == 8)
|
|
device->FmtType = DevFmtUByte;
|
|
else if(OutputType.Format.wBitsPerSample == 16)
|
|
device->FmtType = DevFmtShort;
|
|
else
|
|
{
|
|
device->FmtType = DevFmtShort;
|
|
OutputType.Format.wBitsPerSample = 16;
|
|
}
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
}
|
|
}
|
|
else if(IsEqualGUID(&OutputType.SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
|
|
{
|
|
if(OutputType.Samples.wValidBitsPerSample == 0)
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
if(OutputType.Samples.wValidBitsPerSample != OutputType.Format.wBitsPerSample ||
|
|
!((device->FmtType == DevFmtFloat && OutputType.Format.wBitsPerSample == 32)))
|
|
{
|
|
ERR("Failed to set %s samples, got %d/%d-bit instead\n", DevFmtTypeString(device->FmtType), OutputType.Samples.wValidBitsPerSample, OutputType.Format.wBitsPerSample);
|
|
if(OutputType.Format.wBitsPerSample != 32)
|
|
{
|
|
device->FmtType = DevFmtFloat;
|
|
OutputType.Format.wBitsPerSample = 32;
|
|
}
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ERR("Unhandled format sub-type\n");
|
|
device->FmtType = DevFmtShort;
|
|
OutputType.Format.wBitsPerSample = 16;
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}
|
|
}
|
|
|
|
SetDefaultWFXChannelOrder(device);
|
|
|
|
hr = IAudioClient_GetDevicePeriod(data->client, &min_per, NULL);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
min_len = (min_per*device->Frequency + 10000000-1) / 10000000;
|
|
if(min_len < device->UpdateSize)
|
|
min_len *= (device->UpdateSize + min_len/2)/min_len;
|
|
|
|
device->NumUpdates = (device->NumUpdates*device->UpdateSize + min_len/2) /
|
|
min_len;
|
|
device->NumUpdates = maxu(device->NumUpdates, 2);
|
|
device->UpdateSize = min_len;
|
|
|
|
hr = IAudioClient_Initialize(data->client, AUDCLNT_SHAREMODE_SHARED,
|
|
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
|
|
((REFERENCE_TIME)device->UpdateSize*
|
|
device->NumUpdates*10000000 +
|
|
device->Frequency-1) / device->Frequency,
|
|
0, &OutputType.Format, NULL);
|
|
}
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to initialize audio client: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get audio buffer info: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
device->NumUpdates = buffer_len / device->UpdateSize;
|
|
if(device->NumUpdates <= 1)
|
|
{
|
|
device->NumUpdates = 1;
|
|
ERR("Audio client returned buffer_len < period*2; expect break up\n");
|
|
}
|
|
|
|
ResetEvent(data->hNotifyEvent);
|
|
hr = IAudioClient_SetEventHandle(data->client, data->hNotifyEvent);
|
|
if(SUCCEEDED(hr))
|
|
hr = IAudioClient_Start(data->client);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to start audio client: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
data->thread = StartThread(MMDevApiProc, device);
|
|
if(!data->thread)
|
|
{
|
|
IAudioClient_Stop(data->client);
|
|
ERR("Failed to start thread\n");
|
|
return E_FAIL;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
static DWORD CALLBACK MessageProc(void *ptr)
|
|
{
|
|
ThreadRequest *req = ptr;
|
|
IMMDeviceEnumerator *Enumerator;
|
|
MMDevApiData *data;
|
|
ALCdevice *device;
|
|
HRESULT hr;
|
|
MSG msg;
|
|
|
|
TRACE("Starting message thread\n");
|
|
|
|
hr = CoInitialize(NULL);
|
|
if(FAILED(hr))
|
|
{
|
|
WARN("Failed to initialize COM: 0x%08lx\n", hr);
|
|
req->result = hr;
|
|
SetEvent(req->FinishedEvt);
|
|
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();
|
|
req->result = hr;
|
|
SetEvent(req->FinishedEvt);
|
|
return 0;
|
|
}
|
|
Enumerator = ptr;
|
|
IMMDeviceEnumerator_Release(Enumerator);
|
|
Enumerator = NULL;
|
|
|
|
req->result = S_OK;
|
|
SetEvent(req->FinishedEvt);
|
|
|
|
TRACE("Starting message loop\n");
|
|
while(GetMessage(&msg, NULL, 0, 0))
|
|
{
|
|
TRACE("Got message %u\n", msg.message);
|
|
switch(msg.message)
|
|
{
|
|
case WM_USER_OpenDevice:
|
|
req = (ThreadRequest*)msg.wParam;
|
|
device = (ALCdevice*)msg.lParam;
|
|
data = device->ExtraData;
|
|
|
|
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, &ptr);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
Enumerator = ptr;
|
|
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(Enumerator, eRender, eMultimedia, &data->mmdev);
|
|
IMMDeviceEnumerator_Release(Enumerator);
|
|
Enumerator = NULL;
|
|
}
|
|
if(SUCCEEDED(hr))
|
|
hr = IMMDevice_Activate(data->mmdev, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, &ptr);
|
|
if(SUCCEEDED(hr))
|
|
data->client = ptr;
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(data->mmdev)
|
|
IMMDevice_Release(data->mmdev);
|
|
data->mmdev = NULL;
|
|
}
|
|
|
|
req->result = hr;
|
|
SetEvent(req->FinishedEvt);
|
|
continue;
|
|
|
|
case WM_USER_ResetDevice:
|
|
req = (ThreadRequest*)msg.wParam;
|
|
device = (ALCdevice*)msg.lParam;
|
|
|
|
req->result = DoReset(device);
|
|
SetEvent(req->FinishedEvt);
|
|
continue;
|
|
|
|
case WM_USER_StopDevice:
|
|
req = (ThreadRequest*)msg.wParam;
|
|
device = (ALCdevice*)msg.lParam;
|
|
data = device->ExtraData;
|
|
|
|
if(data->thread)
|
|
{
|
|
data->killNow = 1;
|
|
StopThread(data->thread);
|
|
data->thread = NULL;
|
|
|
|
data->killNow = 0;
|
|
|
|
IAudioClient_Stop(data->client);
|
|
}
|
|
|
|
req->result = S_OK;
|
|
SetEvent(req->FinishedEvt);
|
|
continue;
|
|
|
|
case WM_USER_CloseDevice:
|
|
req = (ThreadRequest*)msg.wParam;
|
|
device = (ALCdevice*)msg.lParam;
|
|
data = device->ExtraData;
|
|
|
|
IAudioClient_Release(data->client);
|
|
data->client = NULL;
|
|
|
|
IMMDevice_Release(data->mmdev);
|
|
data->mmdev = NULL;
|
|
|
|
req->result = S_OK;
|
|
SetEvent(req->FinishedEvt);
|
|
continue;
|
|
|
|
default:
|
|
ERR("Unexpected message: %u\n", msg.message);
|
|
continue;
|
|
}
|
|
}
|
|
TRACE("Message loop finished\n");
|
|
|
|
CoUninitialize();
|
|
return 0;
|
|
}
|
|
|
|
|
|
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, MessageProc, &req, 0, &ThreadID);
|
|
if(ThreadHdl != NULL)
|
|
InitResult = WaitForResponse(&req);
|
|
CloseHandle(req.FinishedEvt);
|
|
}
|
|
}
|
|
return SUCCEEDED(InitResult);
|
|
}
|
|
|
|
|
|
static ALCboolean MMDevApiOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
|
|
{
|
|
MMDevApiData *data = NULL;
|
|
HRESULT hr;
|
|
|
|
if(!MMDevApiLoad())
|
|
return ALC_FALSE;
|
|
|
|
if(!deviceName)
|
|
deviceName = mmDevice;
|
|
else if(strcmp(deviceName, mmDevice) != 0)
|
|
return ALC_FALSE;
|
|
|
|
//Initialise requested device
|
|
data = calloc(1, sizeof(MMDevApiData));
|
|
if(!data)
|
|
{
|
|
alcSetError(device, ALC_OUT_OF_MEMORY);
|
|
return ALC_FALSE;
|
|
}
|
|
device->ExtraData = data;
|
|
|
|
hr = S_OK;
|
|
data->hNotifyEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
data->MsgEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
if(data->hNotifyEvent == NULL || data->MsgEvent == NULL)
|
|
hr = E_FAIL;
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
ThreadRequest req = { data->MsgEvent, 0 };
|
|
|
|
hr = E_FAIL;
|
|
if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)device))
|
|
hr = WaitForResponse(&req);
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(data->hNotifyEvent != NULL)
|
|
CloseHandle(data->hNotifyEvent);
|
|
data->hNotifyEvent = NULL;
|
|
if(data->MsgEvent != NULL)
|
|
CloseHandle(data->MsgEvent);
|
|
data->MsgEvent = NULL;
|
|
|
|
free(data);
|
|
device->ExtraData = NULL;
|
|
|
|
ERR("Device init failed: 0x%08lx\n", hr);
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
device->szDeviceName = strdup(deviceName);
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
static void MMDevApiClosePlayback(ALCdevice *device)
|
|
{
|
|
MMDevApiData *data = device->ExtraData;
|
|
ThreadRequest req = { data->MsgEvent, 0 };
|
|
|
|
if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)device))
|
|
(void)WaitForResponse(&req);
|
|
|
|
CloseHandle(data->MsgEvent);
|
|
data->MsgEvent = NULL;
|
|
|
|
CloseHandle(data->hNotifyEvent);
|
|
data->hNotifyEvent = NULL;
|
|
|
|
free(data);
|
|
device->ExtraData = NULL;
|
|
}
|
|
|
|
static ALCboolean MMDevApiResetPlayback(ALCdevice *device)
|
|
{
|
|
MMDevApiData *data = device->ExtraData;
|
|
ThreadRequest req = { data->MsgEvent, 0 };
|
|
HRESULT hr = E_FAIL;
|
|
|
|
if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)device))
|
|
hr = WaitForResponse(&req);
|
|
|
|
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
|
|
}
|
|
|
|
static void MMDevApiStopPlayback(ALCdevice *device)
|
|
{
|
|
MMDevApiData *data = device->ExtraData;
|
|
ThreadRequest req = { data->MsgEvent, 0 };
|
|
|
|
if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)device))
|
|
(void)WaitForResponse(&req);
|
|
}
|
|
|
|
|
|
static ALCboolean MMDevApiOpenCapture(ALCdevice *device, const ALCchar *deviceName)
|
|
{
|
|
(void)device;
|
|
(void)deviceName;
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
|
|
static const BackendFuncs MMDevApiFuncs = {
|
|
MMDevApiOpenPlayback,
|
|
MMDevApiClosePlayback,
|
|
MMDevApiResetPlayback,
|
|
MMDevApiStopPlayback,
|
|
MMDevApiOpenCapture,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
|
|
|
|
ALCboolean alcMMDevApiInit(BackendFuncs *FuncList)
|
|
{
|
|
*FuncList = MMDevApiFuncs;
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
void alcMMDevApiDeinit(void)
|
|
{
|
|
if(ThreadHdl)
|
|
{
|
|
TRACE("Sending WM_QUIT to Thread %04lx\n", ThreadID);
|
|
PostThreadMessage(ThreadID, WM_QUIT, 0, 0);
|
|
CloseHandle(ThreadHdl);
|
|
ThreadHdl = NULL;
|
|
}
|
|
}
|
|
|
|
void alcMMDevApiProbe(enum DevProbe type)
|
|
{
|
|
if(!MMDevApiLoad()) return;
|
|
|
|
switch(type)
|
|
{
|
|
case DEVICE_PROBE:
|
|
AppendDeviceList(mmDevice);
|
|
break;
|
|
case ALL_DEVICE_PROBE:
|
|
AppendAllDeviceList(mmDevice);
|
|
break;
|
|
case CAPTURE_DEVICE_PROBE:
|
|
break;
|
|
}
|
|
}
|