123 lines
2.9 KiB
C
123 lines
2.9 KiB
C
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#include "config.h"
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#include <stdlib.h>
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#include "alMain.h"
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#include "backends/base.h"
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/* Base ALCbackend method implementations. */
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void ALCbackend_Construct(ALCbackend *self, ALCdevice *device)
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{
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self->mDevice = device;
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InitializeCriticalSection(&self->mMutex);
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}
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void ALCbackend_Destruct(ALCbackend *self)
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{
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DeleteCriticalSection(&self->mMutex);
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}
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ALint64 ALCbackend_getLatency(ALCbackend* UNUSED(self))
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{
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return 0;
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}
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void ALCbackend_lock(ALCbackend *self)
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{
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EnterCriticalSection(&self->mMutex);
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}
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void ALCbackend_unlock(ALCbackend *self)
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{
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LeaveCriticalSection(&self->mMutex);
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}
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/* Wrapper to use an old-style backend with the new interface. */
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typedef struct BackendWrapper {
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DERIVE_FROM_TYPE(ALCbackend);
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} BackendWrapper;
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#define BACKENDWRAPPER_INITIALIZER { { GET_VTABLE2(ALCbackend, BackendWrapper) } }
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static void BackendWrapper_Construct(BackendWrapper *self, ALCdevice *device)
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{
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ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
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}
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static void BackendWrapper_Destruct(BackendWrapper *self)
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{
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ALCbackend_Destruct(STATIC_CAST(ALCbackend, self));
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}
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static ALCenum BackendWrapper_open(BackendWrapper *self, const ALCchar *name)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->OpenPlayback(device, name);
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}
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static void BackendWrapper_close(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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device->Funcs->ClosePlayback(device);
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}
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static ALCboolean BackendWrapper_reset(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->ResetPlayback(device);
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}
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static ALCboolean BackendWrapper_start(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->StartPlayback(device);
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}
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static void BackendWrapper_stop(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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device->Funcs->StopPlayback(device);
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}
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static ALint64 BackendWrapper_getLatency(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->GetLatency(device);
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}
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static void BackendWrapper_lock(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->Lock(device);
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}
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static void BackendWrapper_unlock(BackendWrapper *self)
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{
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ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
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return device->Funcs->Unlock(device);
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}
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static void BackendWrapper_Delete(BackendWrapper *self)
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{
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free(self);
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}
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DEFINE_ALCBACKEND_VTABLE(BackendWrapper);
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ALCbackend *create_backend_wrapper(ALCdevice *device)
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{
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BackendWrapper *backend;
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backend = malloc(sizeof(*backend));
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if(!backend) return NULL;
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SET_VTABLE2(BackendWrapper, ALCbackend, backend);
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BackendWrapper_Construct(backend, device);
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return STATIC_CAST(ALCbackend, backend);
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}
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