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/**
* 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 _WIN32_WINNT 0x0500
#include <stdlib.h>
#include <stdio.h>
#include <memory.h>
#include <dsound.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);
static ALboolean is_loaded = AL_FALSE;
typedef struct {
volatile int killNow;
ALvoid *thread;
} MMDevApiData;
static const ALCchar mmDevice[] = "MMDevApi Default";
static void *MMDevApiLoad(void)
{
return (void*)is_loaded;
}
static ALCboolean MMDevApiOpenPlayback(ALCdevice *device, const ALCchar *deviceName)
{
MMDevApiData *pData = NULL;
HRESULT hr = E_FAIL;
if(!MMDevApiLoad())
return ALC_FALSE;
if(!deviceName)
deviceName = mmDevice;
else if(strcmp(deviceName, mmDevice) != 0)
return ALC_FALSE;
//Initialise requested device
pData = calloc(1, sizeof(MMDevApiData));
if(!pData)
{
alcSetError(device, ALC_OUT_OF_MEMORY);
return ALC_FALSE;
}
//MMDevApi Init code
if(FAILED(hr))
{
free(pData);
AL_PRINT("Device init failed: 0x%08lx\n", hr);
return ALC_FALSE;
}
device->szDeviceName = strdup(deviceName);
device->ExtraData = pData;
return ALC_TRUE;
}
static void MMDevApiClosePlayback(ALCdevice *device)
{
MMDevApiData *pData = device->ExtraData;
free(pData);
device->ExtraData = NULL;
}
static ALCboolean MMDevApiResetPlayback(ALCdevice *device)
{
(void)device;
return ALC_FALSE;
}
static void MMDevApiStopPlayback(ALCdevice *device)
{
MMDevApiData *pData = device->ExtraData;
if(!pData->thread)
return;
pData->killNow = 1;
StopThread(pData->thread);
pData->thread = NULL;
pData->killNow = 0;
}
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
};
void alcMMDevApiInit(BackendFuncs *FuncList)
{
*FuncList = MMDevApiFuncs;
}
void alcMMDevApiDeinit(void)
{
if(is_loaded)
{
is_loaded = AL_FALSE;
}
}
void alcMMDevApiProbe(int type)
{
if(!MMDevApiLoad()) return;
if(type == DEVICE_PROBE)
AppendDeviceList(mmDevice);
else if(type == ALL_DEVICE_PROBE)
AppendAllDeviceList(mmDevice);
}
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