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/**
* OpenAL cross platform audio library
* Copyright (C) 2011 by Chris Robinson
* 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"
#include <stdlib.h>
#include "alMain.h"
#include "alu.h"
#include "backends/base.h"
typedef struct ALCloopback {
DERIVE_FROM_TYPE(ALCbackend);
} ALCloopback;
static void ALCloopback_Construct(ALCloopback *self, ALCdevice *device);
static DECLARE_FORWARD(ALCloopback, ALCbackend, void, Destruct)
static ALCenum ALCloopback_open(ALCloopback *self, const ALCchar *name);
static void ALCloopback_close(ALCloopback *self);
static ALCboolean ALCloopback_reset(ALCloopback *self);
static ALCboolean ALCloopback_start(ALCloopback *self);
static void ALCloopback_stop(ALCloopback *self);
static DECLARE_FORWARD2(ALCloopback, ALCbackend, ALCenum, captureSamples, void*, ALCuint)
static DECLARE_FORWARD(ALCloopback, ALCbackend, ALCuint, availableSamples)
static DECLARE_FORWARD(ALCloopback, ALCbackend, ALint64, getLatency)
static DECLARE_FORWARD(ALCloopback, ALCbackend, void, lock)
static DECLARE_FORWARD(ALCloopback, ALCbackend, void, unlock)
DECLARE_DEFAULT_ALLOCATORS(ALCloopback)
DEFINE_ALCBACKEND_VTABLE(ALCloopback);
static void ALCloopback_Construct(ALCloopback *self, ALCdevice *device)
{
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
SET_VTABLE2(ALCloopback, ALCbackend, self);
}
static ALCenum ALCloopback_open(ALCloopback *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
al_string_copy_cstr(&device->DeviceName, name);
return ALC_NO_ERROR;
}
static void ALCloopback_close(ALCloopback* UNUSED(self))
{
}
static ALCboolean ALCloopback_reset(ALCloopback *self)
{
SetDefaultWFXChannelOrder(STATIC_CAST(ALCbackend, self)->mDevice);
return ALC_TRUE;
}
static ALCboolean ALCloopback_start(ALCloopback* UNUSED(self))
{
return ALC_TRUE;
}
static void ALCloopback_stop(ALCloopback* UNUSED(self))
{
}
typedef struct ALCloopbackFactory {
DERIVE_FROM_TYPE(ALCbackendFactory);
} ALCloopbackFactory;
#define ALCNULLBACKENDFACTORY_INITIALIZER { { GET_VTABLE2(ALCloopbackFactory, ALCbackendFactory) } }
ALCbackendFactory *ALCloopbackFactory_getFactory(void);
static ALCboolean ALCloopbackFactory_init(ALCloopbackFactory *self);
static DECLARE_FORWARD(ALCloopbackFactory, ALCbackendFactory, void, deinit)
static ALCboolean ALCloopbackFactory_querySupport(ALCloopbackFactory *self, ALCbackend_Type type);
static void ALCloopbackFactory_probe(ALCloopbackFactory *self, enum DevProbe type);
static ALCbackend* ALCloopbackFactory_createBackend(ALCloopbackFactory *self, ALCdevice *device, ALCbackend_Type type);
DEFINE_ALCBACKENDFACTORY_VTABLE(ALCloopbackFactory);
ALCbackendFactory *ALCloopbackFactory_getFactory(void)
{
static ALCloopbackFactory factory = ALCNULLBACKENDFACTORY_INITIALIZER;
return STATIC_CAST(ALCbackendFactory, &factory);
}
static ALCboolean ALCloopbackFactory_init(ALCloopbackFactory* UNUSED(self))
{
return ALC_TRUE;
}
static ALCboolean ALCloopbackFactory_querySupport(ALCloopbackFactory* UNUSED(self), ALCbackend_Type type)
{
if(type == ALCbackend_Loopback)
return ALC_TRUE;
return ALC_FALSE;
}
static void ALCloopbackFactory_probe(ALCloopbackFactory* UNUSED(self), enum DevProbe UNUSED(type))
{
}
static ALCbackend* ALCloopbackFactory_createBackend(ALCloopbackFactory* UNUSED(self), ALCdevice *device, ALCbackend_Type type)
{
if(type == ALCbackend_Loopback)
{
ALCloopback *backend;
backend = ALCloopback_New(sizeof(*backend));
if(!backend) return NULL;
memset(backend, 0, sizeof(*backend));
ALCloopback_Construct(backend, device);
return STATIC_CAST(ALCbackend, backend);
}
return NULL;
}
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