171 lines
3.6 KiB
C
171 lines
3.6 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 _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);
|
|
}
|