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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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include "backends/loopback.h"
#include "alMain.h"
#include "alu.h"
namespace {
struct ALCloopback final : public ALCbackend {
ALCloopback(ALCdevice *device) noexcept : ALCbackend{device} { }
};
void ALCloopback_Construct(ALCloopback *self, ALCdevice *device);
void ALCloopback_Destruct(ALCloopback *self);
ALCenum ALCloopback_open(ALCloopback *self, const ALCchar *name);
ALCboolean ALCloopback_reset(ALCloopback *self);
ALCboolean ALCloopback_start(ALCloopback *self);
void ALCloopback_stop(ALCloopback *self);
DECLARE_FORWARD2(ALCloopback, ALCbackend, ALCenum, captureSamples, void*, ALCuint)
DECLARE_FORWARD(ALCloopback, ALCbackend, ALCuint, availableSamples)
DECLARE_FORWARD(ALCloopback, ALCbackend, ClockLatency, getClockLatency)
DECLARE_FORWARD(ALCloopback, ALCbackend, void, lock)
DECLARE_FORWARD(ALCloopback, ALCbackend, void, unlock)
DECLARE_DEFAULT_ALLOCATORS(ALCloopback)
DEFINE_ALCBACKEND_VTABLE(ALCloopback);
void ALCloopback_Construct(ALCloopback *self, ALCdevice *device)
{
new (self) ALCloopback{device};
SET_VTABLE2(ALCloopback, ALCbackend, self);
}
void ALCloopback_Destruct(ALCloopback *self)
{
self->~ALCloopback();
}
ALCenum ALCloopback_open(ALCloopback *self, const ALCchar *name)
{
ALCdevice *device{self->mDevice};
device->DeviceName = name;
return ALC_NO_ERROR;
}
ALCboolean ALCloopback_reset(ALCloopback *self)
{
SetDefaultWFXChannelOrder(self->mDevice);
return ALC_TRUE;
}
ALCboolean ALCloopback_start(ALCloopback* UNUSED(self))
{
return ALC_TRUE;
}
void ALCloopback_stop(ALCloopback* UNUSED(self))
{
}
} // namespace
bool LoopbackBackendFactory::init()
{ return true; }
bool LoopbackBackendFactory::querySupport(ALCbackend_Type type)
{ return (type == ALCbackend_Loopback); }
void LoopbackBackendFactory::probe(DevProbe, std::string*)
{ }
ALCbackend *LoopbackBackendFactory::createBackend(ALCdevice *device, ALCbackend_Type type)
{
if(type == ALCbackend_Loopback)
{
ALCloopback *backend;
NEW_OBJ(backend, ALCloopback)(device);
return backend;
}
return nullptr;
}
BackendFactory &LoopbackBackendFactory::getFactory()
{
static LoopbackBackendFactory factory{};
return factory;
}
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