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#include "config.h"
#include <stdlib.h>
#include "alMain.h"
#include "backends/base.h"
/* Base ALCbackend method implementations. */
void ALCbackend_Construct(ALCbackend *self, ALCdevice *device)
{
self->mDevice = device;
InitializeCriticalSection(&self->mMutex);
}
void ALCbackend_Destruct(ALCbackend *self)
{
DeleteCriticalSection(&self->mMutex);
}
ALCboolean ALCbackend_reset(ALCbackend* UNUSED(self))
{
return ALC_FALSE;
}
ALCenum ALCbackend_captureSamples(ALCbackend* UNUSED(self), void* UNUSED(buffer), ALCuint UNUSED(samples))
{
return ALC_INVALID_DEVICE;
}
ALCuint ALCbackend_availableSamples(ALCbackend* UNUSED(self))
{
return 0;
}
ALint64 ALCbackend_getLatency(ALCbackend* UNUSED(self))
{
return 0;
}
void ALCbackend_lock(ALCbackend *self)
{
EnterCriticalSection(&self->mMutex);
}
void ALCbackend_unlock(ALCbackend *self)
{
LeaveCriticalSection(&self->mMutex);
}
/* Wrappers to use an old-style backend with the new interface. */
typedef struct PlaybackWrapper {
DERIVE_FROM_TYPE(ALCbackend);
} PlaybackWrapper;
#define PLAYBACKWRAPPER_INITIALIZER { { GET_VTABLE2(ALCbackend, PlaybackWrapper) } }
static void PlaybackWrapper_Construct(PlaybackWrapper *self, ALCdevice *device)
{
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
}
static void PlaybackWrapper_Destruct(PlaybackWrapper *self)
{
ALCbackend_Destruct(STATIC_CAST(ALCbackend, self));
}
static ALCenum PlaybackWrapper_open(PlaybackWrapper *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->OpenPlayback(device, name);
}
static void PlaybackWrapper_close(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->ClosePlayback(device);
}
static ALCboolean PlaybackWrapper_reset(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->ResetPlayback(device);
}
static ALCboolean PlaybackWrapper_start(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->StartPlayback(device);
}
static void PlaybackWrapper_stop(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->StopPlayback(device);
}
ALCenum PlaybackWrapper_captureSamples(PlaybackWrapper* UNUSED(self), void* UNUSED(buffer), ALCuint UNUSED(samples))
{
return ALC_INVALID_VALUE;
}
ALCuint PlaybackWrapper_availableSamples(PlaybackWrapper* UNUSED(self))
{
return 0;
}
static ALint64 PlaybackWrapper_getLatency(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->GetLatency(device);
}
static void PlaybackWrapper_lock(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->Lock(device);
}
static void PlaybackWrapper_unlock(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->Unlock(device);
}
static void PlaybackWrapper_Delete(PlaybackWrapper *self)
{
free(self);
}
DEFINE_ALCBACKEND_VTABLE(PlaybackWrapper);
typedef struct CaptureWrapper {
DERIVE_FROM_TYPE(ALCbackend);
} CaptureWrapper;
#define CAPTUREWRAPPER_INITIALIZER { { GET_VTABLE2(ALCbackend, PlaybackWrapper) } }
static void CaptureWrapper_Construct(CaptureWrapper *self, ALCdevice *device)
{
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
}
static void CaptureWrapper_Destruct(CaptureWrapper *self)
{
ALCbackend_Destruct(STATIC_CAST(ALCbackend, self));
}
static ALCenum CaptureWrapper_open(CaptureWrapper *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->OpenCapture(device, name);
}
static void CaptureWrapper_close(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->CloseCapture(device);
}
static ALCboolean CaptureWrapper_reset(CaptureWrapper* UNUSED(self))
{
return ALC_FALSE;
}
static ALCboolean CaptureWrapper_start(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->StartCapture(device);
return ALC_TRUE;
}
static void CaptureWrapper_stop(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->StopCapture(device);
}
ALCenum CaptureWrapper_captureSamples(CaptureWrapper *self, void *buffer, ALCuint samples)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->CaptureSamples(device, buffer, samples);
}
ALCuint CaptureWrapper_availableSamples(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->AvailableSamples(device);
}
static ALint64 CaptureWrapper_getLatency(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return device->Funcs->GetLatency(device);
}
static void CaptureWrapper_lock(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->Lock(device);
}
static void CaptureWrapper_unlock(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
device->Funcs->Unlock(device);
}
static void CaptureWrapper_Delete(CaptureWrapper *self)
{
free(self);
}
DEFINE_ALCBACKEND_VTABLE(CaptureWrapper);
ALCbackend *create_backend_wrapper(ALCdevice *device, ALCbackend_Type type)
{
if(type == ALCbackend_Playback)
{
PlaybackWrapper *backend;
backend = malloc(sizeof(*backend));
if(!backend) return NULL;
SET_VTABLE2(PlaybackWrapper, ALCbackend, backend);
PlaybackWrapper_Construct(backend, device);
return STATIC_CAST(ALCbackend, backend);
}
if(type == ALCbackend_Capture)
{
CaptureWrapper *backend;
backend = malloc(sizeof(*backend));
if(!backend) return NULL;
SET_VTABLE2(CaptureWrapper, ALCbackend, backend);
CaptureWrapper_Construct(backend, device);
return STATIC_CAST(ALCbackend, backend);
}
return NULL;
}
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