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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)
{
int ret;
self->mDevice = device;
ret = almtx_init(&self->mMutex, almtx_recursive);
assert(ret == althrd_success);
}
void ALCbackend_Destruct(ALCbackend *self)
{
almtx_destroy(&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)
{
int ret = almtx_lock(&self->mMutex);
assert(ret == althrd_success);
}
void ALCbackend_unlock(ALCbackend *self)
{
int ret = almtx_unlock(&self->mMutex);
assert(ret == althrd_success);
}
/* Base ALCbackendFactory method implementations. */
void ALCbackendFactory_deinit(ALCbackendFactory* UNUSED(self))
{
}
/* Wrappers to use an old-style backend with the new interface. */
typedef struct PlaybackWrapper {
DERIVE_FROM_TYPE(ALCbackend);
const BackendFuncs *Funcs;
} PlaybackWrapper;
static void PlaybackWrapper_Construct(PlaybackWrapper *self, ALCdevice *device, const BackendFuncs *funcs);
static DECLARE_FORWARD(PlaybackWrapper, ALCbackend, void, Destruct)
static ALCenum PlaybackWrapper_open(PlaybackWrapper *self, const ALCchar *name);
static void PlaybackWrapper_close(PlaybackWrapper *self);
static ALCboolean PlaybackWrapper_reset(PlaybackWrapper *self);
static ALCboolean PlaybackWrapper_start(PlaybackWrapper *self);
static void PlaybackWrapper_stop(PlaybackWrapper *self);
static DECLARE_FORWARD2(PlaybackWrapper, ALCbackend, ALCenum, captureSamples, void*, ALCuint)
static DECLARE_FORWARD(PlaybackWrapper, ALCbackend, ALCuint, availableSamples)
static DECLARE_FORWARD(PlaybackWrapper, ALCbackend, ALint64, getLatency)
static DECLARE_FORWARD(PlaybackWrapper, ALCbackend, void, lock)
static DECLARE_FORWARD(PlaybackWrapper, ALCbackend, void, unlock)
DECLARE_DEFAULT_ALLOCATORS(PlaybackWrapper)
DEFINE_ALCBACKEND_VTABLE(PlaybackWrapper);
static void PlaybackWrapper_Construct(PlaybackWrapper *self, ALCdevice *device, const BackendFuncs *funcs)
{
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
SET_VTABLE2(PlaybackWrapper, ALCbackend, self);
self->Funcs = funcs;
}
static ALCenum PlaybackWrapper_open(PlaybackWrapper *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->OpenPlayback(device, name);
}
static void PlaybackWrapper_close(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
self->Funcs->ClosePlayback(device);
}
static ALCboolean PlaybackWrapper_reset(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->ResetPlayback(device);
}
static ALCboolean PlaybackWrapper_start(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->StartPlayback(device);
}
static void PlaybackWrapper_stop(PlaybackWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
self->Funcs->StopPlayback(device);
}
typedef struct CaptureWrapper {
DERIVE_FROM_TYPE(ALCbackend);
const BackendFuncs *Funcs;
} CaptureWrapper;
static void CaptureWrapper_Construct(CaptureWrapper *self, ALCdevice *device, const BackendFuncs *funcs);
static DECLARE_FORWARD(CaptureWrapper, ALCbackend, void, Destruct)
static ALCenum CaptureWrapper_open(CaptureWrapper *self, const ALCchar *name);
static void CaptureWrapper_close(CaptureWrapper *self);
static DECLARE_FORWARD(CaptureWrapper, ALCbackend, ALCboolean, reset)
static ALCboolean CaptureWrapper_start(CaptureWrapper *self);
static void CaptureWrapper_stop(CaptureWrapper *self);
static ALCenum CaptureWrapper_captureSamples(CaptureWrapper *self, void *buffer, ALCuint samples);
static ALCuint CaptureWrapper_availableSamples(CaptureWrapper *self);
static DECLARE_FORWARD(CaptureWrapper, ALCbackend, ALint64, getLatency)
static DECLARE_FORWARD(CaptureWrapper, ALCbackend, void, lock)
static DECLARE_FORWARD(CaptureWrapper, ALCbackend, void, unlock)
DECLARE_DEFAULT_ALLOCATORS(CaptureWrapper)
DEFINE_ALCBACKEND_VTABLE(CaptureWrapper);
static void CaptureWrapper_Construct(CaptureWrapper *self, ALCdevice *device, const BackendFuncs *funcs)
{
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
SET_VTABLE2(CaptureWrapper, ALCbackend, self);
self->Funcs = funcs;
}
static ALCenum CaptureWrapper_open(CaptureWrapper *self, const ALCchar *name)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->OpenCapture(device, name);
}
static void CaptureWrapper_close(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
self->Funcs->CloseCapture(device);
}
static ALCboolean CaptureWrapper_start(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
self->Funcs->StartCapture(device);
return ALC_TRUE;
}
static void CaptureWrapper_stop(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
self->Funcs->StopCapture(device);
}
static ALCenum CaptureWrapper_captureSamples(CaptureWrapper *self, void *buffer, ALCuint samples)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->CaptureSamples(device, buffer, samples);
}
static ALCuint CaptureWrapper_availableSamples(CaptureWrapper *self)
{
ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
return self->Funcs->AvailableSamples(device);
}
ALCbackend *create_backend_wrapper(ALCdevice *device, const BackendFuncs *funcs, ALCbackend_Type type)
{
if(type == ALCbackend_Playback)
{
PlaybackWrapper *backend;
NEW_OBJ(backend, PlaybackWrapper)(device, funcs);
if(!backend) return NULL;
return STATIC_CAST(ALCbackend, backend);
}
if(type == ALCbackend_Capture)
{
CaptureWrapper *backend;
NEW_OBJ(backend, CaptureWrapper)(device, funcs);
if(!backend) return NULL;
return STATIC_CAST(ALCbackend, backend);
}
return NULL;
}
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