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-rw-r--r--Alc/ALc.c118
-rw-r--r--Alc/backends/base.h2
-rw-r--r--Alc/backends/null.c160
-rw-r--r--OpenAL32/Include/alMain.h3
4 files changed, 193 insertions, 90 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index 37e3290f..f98f5af2 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -46,6 +46,7 @@
************************************************/
struct BackendInfo {
const char *name;
+ ALCbackendFactory* (*getFactory)(void);
ALCboolean (*Init)(BackendFuncs*);
void (*Deinit)(void);
void (*Probe)(enum DevProbe);
@@ -55,51 +56,51 @@ struct BackendInfo {
#define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
static struct BackendInfo BackendList[] = {
#ifdef HAVE_PULSEAUDIO
- { "pulse", alc_pulse_init, alc_pulse_deinit, alc_pulse_probe, EmptyFuncs },
+ { "pulse", NULL, alc_pulse_init, alc_pulse_deinit, alc_pulse_probe, EmptyFuncs },
#endif
#ifdef HAVE_ALSA
- { "alsa", alc_alsa_init, alc_alsa_deinit, alc_alsa_probe, EmptyFuncs },
+ { "alsa", NULL, alc_alsa_init, alc_alsa_deinit, alc_alsa_probe, EmptyFuncs },
#endif
#ifdef HAVE_COREAUDIO
- { "core", alc_ca_init, alc_ca_deinit, alc_ca_probe, EmptyFuncs },
+ { "core", NULL, alc_ca_init, alc_ca_deinit, alc_ca_probe, EmptyFuncs },
#endif
#ifdef HAVE_OSS
- { "oss", alc_oss_init, alc_oss_deinit, alc_oss_probe, EmptyFuncs },
+ { "oss", NULL, alc_oss_init, alc_oss_deinit, alc_oss_probe, EmptyFuncs },
#endif
#ifdef HAVE_SOLARIS
- { "solaris", alc_solaris_init, alc_solaris_deinit, alc_solaris_probe, EmptyFuncs },
+ { "solaris", NULL, alc_solaris_init, alc_solaris_deinit, alc_solaris_probe, EmptyFuncs },
#endif
#ifdef HAVE_SNDIO
- { "sndio", alc_sndio_init, alc_sndio_deinit, alc_sndio_probe, EmptyFuncs },
+ { "sndio", NULL, alc_sndio_init, alc_sndio_deinit, alc_sndio_probe, EmptyFuncs },
#endif
#ifdef HAVE_QSA
- { "qsa", alc_qsa_init, alc_qsa_deinit, alc_qsa_probe, EmptyFuncs },
+ { "qsa", NULL, alc_qsa_init, alc_qsa_deinit, alc_qsa_probe, EmptyFuncs },
#endif
#ifdef HAVE_MMDEVAPI
- { "mmdevapi", alcMMDevApiInit, alcMMDevApiDeinit, alcMMDevApiProbe, EmptyFuncs },
+ { "mmdevapi", NULL, alcMMDevApiInit, alcMMDevApiDeinit, alcMMDevApiProbe, EmptyFuncs },
#endif
#ifdef HAVE_DSOUND
- { "dsound", alcDSoundInit, alcDSoundDeinit, alcDSoundProbe, EmptyFuncs },
+ { "dsound", NULL, alcDSoundInit, alcDSoundDeinit, alcDSoundProbe, EmptyFuncs },
#endif
#ifdef HAVE_WINMM
- { "winmm", alcWinMMInit, alcWinMMDeinit, alcWinMMProbe, EmptyFuncs },
+ { "winmm", NULL, alcWinMMInit, alcWinMMDeinit, alcWinMMProbe, EmptyFuncs },
#endif
#ifdef HAVE_PORTAUDIO
- { "port", alc_pa_init, alc_pa_deinit, alc_pa_probe, EmptyFuncs },
+ { "port", NULL, alc_pa_init, alc_pa_deinit, alc_pa_probe, EmptyFuncs },
#endif
#ifdef HAVE_OPENSL
- { "opensl", alc_opensl_init, alc_opensl_deinit, alc_opensl_probe, EmptyFuncs },
+ { "opensl", NULL, alc_opensl_init, alc_opensl_deinit, alc_opensl_probe, EmptyFuncs },
#endif
- { "null", alc_null_init, alc_null_deinit, alc_null_probe, EmptyFuncs },
+ { "null", ALCnullBackendFactory_getFactory, NULL, NULL, NULL, EmptyFuncs },
#ifdef HAVE_WAVE
- { "wave", alc_wave_init, alc_wave_deinit, alc_wave_probe, EmptyFuncs },
+ { "wave", NULL, alc_wave_init, alc_wave_deinit, alc_wave_probe, EmptyFuncs },
#endif
- { NULL, NULL, NULL, NULL, EmptyFuncs }
+ { NULL, NULL, NULL, NULL, NULL, EmptyFuncs }
};
static struct BackendInfo BackendLoopback = {
- "loopback", alc_loopback_init, alc_loopback_deinit, alc_loopback_probe, EmptyFuncs
+ "loopback", NULL, alc_loopback_init, alc_loopback_deinit, alc_loopback_probe, EmptyFuncs
};
#undef EmptyFuncs
@@ -1059,7 +1060,7 @@ static void alc_initconfig(void)
len = (next ? ((size_t)(next-devs)) : strlen(devs));
while(len > 0 && isspace(devs[len-1]))
len--;
- for(n = i;BackendList[n].Init;n++)
+ for(n = i;BackendList[n].name;n++)
{
if(len == strlen(BackendList[n].name) &&
strncmp(BackendList[n].name, devs, len) == 0)
@@ -1069,7 +1070,7 @@ static void alc_initconfig(void)
do {
BackendList[n] = BackendList[n+1];
++n;
- } while(BackendList[n].Init);
+ } while(BackendList[n].name);
}
else
{
@@ -1091,14 +1092,40 @@ static void alc_initconfig(void)
if(endlist)
{
BackendList[i].name = NULL;
+ BackendList[i].getFactory = NULL;
BackendList[i].Init = NULL;
BackendList[i].Deinit = NULL;
BackendList[i].Probe = NULL;
}
}
- for(i = 0;BackendList[i].Init && (!PlaybackBackend.name || !CaptureBackend.name);i++)
+ for(i = 0;(BackendList[i].Init || BackendList[i].getFactory) && (!PlaybackBackend.name || !CaptureBackend.name);i++)
{
+ if(BackendList[i].getFactory)
+ {
+ ALCbackendFactory *factory = BackendList[i].getFactory();
+ if(!VCALL0(factory,init,()))
+ {
+ WARN("Failed to initialize backend \"%s\"\n", BackendList[i].name);
+ continue;
+ }
+
+ TRACE("Initialized backend \"%s\"\n", BackendList[i].name);
+ if(!PlaybackBackend.name && VCALL(factory,support,(ALCbackend_Playback)))
+ {
+ PlaybackBackend = BackendList[i];
+ TRACE("Added \"%s\" for playback\n", PlaybackBackend.name);
+ }
+#if 0
+ if(!CaptureBackend.name && VCALL(factory,support,(ALCbackend_Capture)))
+ {
+ CaptureBackend = BackendList[i];
+ TRACE("Added \"%s\" for capture\n", CaptureBackend.name);
+ }
+#endif
+ continue;
+ }
+
if(!BackendList[i].Init(&BackendList[i].Funcs))
{
WARN("Failed to initialize backend \"%s\"\n", BackendList[i].name);
@@ -1205,8 +1232,16 @@ static void alc_deinit(void)
memset(&PlaybackBackend, 0, sizeof(PlaybackBackend));
memset(&CaptureBackend, 0, sizeof(CaptureBackend));
- for(i = 0;BackendList[i].Deinit;i++)
- BackendList[i].Deinit();
+ for(i = 0;BackendList[i].Deinit || BackendList[i].getFactory;i++)
+ {
+ if(!BackendList[i].getFactory)
+ BackendList[i].Deinit();
+ else
+ {
+ ALCbackendFactory *factory = BackendList[i].getFactory();
+ VCALL0(factory,deinit,());
+ }
+ }
BackendLoopback.Deinit();
alc_deinit_safe();
@@ -1225,10 +1260,26 @@ static void ProbeList(ALCchar **list, size_t *listsize, enum DevProbe type)
*list = NULL;
*listsize = 0;
- if(type == ALL_DEVICE_PROBE && PlaybackBackend.Probe)
- PlaybackBackend.Probe(type);
- else if(type == CAPTURE_DEVICE_PROBE && CaptureBackend.Probe)
- CaptureBackend.Probe(type);
+ if(type == ALL_DEVICE_PROBE && (PlaybackBackend.Probe || PlaybackBackend.getFactory))
+ {
+ if(!PlaybackBackend.getFactory)
+ PlaybackBackend.Probe(type);
+ else
+ {
+ ALCbackendFactory *factory = PlaybackBackend.getFactory();
+ VCALL(factory,probe,(type));
+ }
+ }
+ else if(type == CAPTURE_DEVICE_PROBE && (CaptureBackend.Probe || CaptureBackend.getFactory))
+ {
+ if(!CaptureBackend.getFactory)
+ CaptureBackend.Probe(type);
+ else
+ {
+ ALCbackendFactory *factory = CaptureBackend.getFactory();
+ VCALL(factory,probe,(type));
+ }
+ }
UnlockLists();
}
@@ -2937,7 +2988,21 @@ ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
device->NumUpdates = 4;
device->UpdateSize = 1024;
- device->Backend = create_backend_wrapper(device);
+ if(!PlaybackBackend.getFactory)
+ device->Backend = create_backend_wrapper(device);
+ else
+ {
+ ALCbackendFactory *factory = PlaybackBackend.getFactory();
+ device->Backend = VCALL(factory,createBackend,(device));
+ }
+ if(!device->Backend)
+ {
+ DeleteCriticalSection(&device->Mutex);
+ al_free(device);
+ alcSetError(NULL, ALC_OUT_OF_MEMORY);
+ return NULL;
+ }
+
if(ConfigValueStr(NULL, "channels", &fmt))
{
@@ -3077,6 +3142,7 @@ ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
// Find a playback device to open
if((err=VCALL(device->Backend,open,(deviceName))) != ALC_NO_ERROR)
{
+ DELETE_OBJ(device->Backend);
DeleteCriticalSection(&device->Mutex);
al_free(device);
alcSetError(NULL, err);
diff --git a/Alc/backends/base.h b/Alc/backends/base.h
index 7c1b918b..272a3f65 100644
--- a/Alc/backends/base.h
+++ b/Alc/backends/base.h
@@ -115,4 +115,6 @@ static const struct ALCbackendFactoryVtable T##_ALCbackendFactory_vtable = { \
}
+ALCbackendFactory *ALCnullBackendFactory_getFactory(void);
+
#endif /* AL_BACKENDS_BASE_H */
diff --git a/Alc/backends/null.c b/Alc/backends/null.c
index 9742424c..d21ebf0c 100644
--- a/Alc/backends/null.c
+++ b/Alc/backends/null.c
@@ -29,19 +29,24 @@
#include "alu.h"
#include "threads.h"
+#include "backends/base.h"
+
+
+typedef struct ALCnullBackend {
+ DERIVE_FROM_TYPE(ALCbackend);
-typedef struct {
volatile int killNow;
althread_t thread;
-} null_data;
+} ALCnullBackend;
+#define ALCNULLBACKEND_INITIALIZER { { GET_VTABLE2(ALCbackend, ALCnullBackend) } }
static const ALCchar nullDevice[] = "No Output";
-static ALuint NullProc(ALvoid *ptr)
+static ALuint ALCnullBackend_mixerProc(ALvoid *ptr)
{
- ALCdevice *Device = (ALCdevice*)ptr;
- null_data *data = (null_data*)Device->ExtraData;
+ ALCnullBackend *self = (ALCnullBackend*)ptr;
+ ALCdevice *device = STATIC_CAST(ALCbackend, self)->mDevice;
ALuint now, start;
ALuint64 avail, done;
@@ -50,118 +55,129 @@ static ALuint NullProc(ALvoid *ptr)
done = 0;
start = timeGetTime();
- while(!data->killNow && Device->Connected)
+ while(!self->killNow && device->Connected)
{
now = timeGetTime();
- avail = (ALuint64)(now-start) * Device->Frequency / 1000;
+ avail = (ALuint64)(now-start) * device->Frequency / 1000;
if(avail < done)
{
/* Timer wrapped (50 days???). Add the remainder of the cycle to
* the available count and reset the number of samples done */
- avail += (U64(1)<<32)*Device->Frequency/1000 - done;
+ avail += (U64(1)<<32)*device->Frequency/1000 - done;
done = 0;
}
- if(avail-done < Device->UpdateSize)
+ if(avail-done < device->UpdateSize)
{
- ALuint restTime = (Device->UpdateSize - (avail-done)) * 1000 /
- Device->Frequency;
+ ALuint restTime = (device->UpdateSize - (avail-done)) * 1000 /
+ device->Frequency;
Sleep(restTime);
continue;
}
do {
- aluMixData(Device, NULL, Device->UpdateSize);
- done += Device->UpdateSize;
- } while(avail-done >= Device->UpdateSize);
+ aluMixData(device, NULL, device->UpdateSize);
+ done += device->UpdateSize;
+ } while(avail-done >= device->UpdateSize);
}
return 0;
}
-static ALCenum null_open_playback(ALCdevice *device, const ALCchar *deviceName)
+
+static void ALCnullBackend_Destruct(ALCnullBackend* UNUSED(self))
{
- null_data *data;
+}
- if(!deviceName)
- deviceName = nullDevice;
- else if(strcmp(deviceName, nullDevice) != 0)
+static ALCenum ALCnullBackend_open(ALCnullBackend *self, const ALCchar *name)
+{
+ ALCdevice *device;
+
+ if(!name)
+ name = nullDevice;
+ else if(strcmp(name, nullDevice) != 0)
return ALC_INVALID_VALUE;
- data = (null_data*)calloc(1, sizeof(*data));
+ device = STATIC_CAST(ALCbackend, self)->mDevice;
+ device->DeviceName = strdup(name);
- device->DeviceName = strdup(deviceName);
- device->ExtraData = data;
return ALC_NO_ERROR;
}
-static void null_close_playback(ALCdevice *device)
+static void ALCnullBackend_close(ALCnullBackend* UNUSED(self))
{
- null_data *data = (null_data*)device->ExtraData;
+}
- free(data);
- device->ExtraData = NULL;
+static ALCboolean ALCnullBackend_reset(ALCnullBackend *self)
+{
+ SetDefaultWFXChannelOrder(STATIC_CAST(ALCbackend, self)->mDevice);
+ return ALC_TRUE;
}
-static ALCboolean null_reset_playback(ALCdevice *device)
+static ALCboolean ALCnullBackend_start(ALCnullBackend *self)
{
- SetDefaultWFXChannelOrder(device);
+ if(!StartThread(&self->thread, ALCnullBackend_mixerProc, self))
+ return ALC_FALSE;
return ALC_TRUE;
}
-static ALCboolean null_start_playback(ALCdevice *device)
+static void ALCnullBackend_stop(ALCnullBackend *self)
{
- null_data *data = (null_data*)device->ExtraData;
+ if(!self->thread)
+ return;
- if(!StartThread(&data->thread, NullProc, device))
- return ALC_FALSE;
+ self->killNow = 1;
+ StopThread(self->thread);
+ self->thread = NULL;
- return ALC_TRUE;
+ self->killNow = 0;
}
-static void null_stop_playback(ALCdevice *device)
+static ALint64 ALCnullBackend_getLatency(ALCnullBackend *self)
{
- null_data *data = (null_data*)device->ExtraData;
+ return ALCbackend_getLatency(STATIC_CAST(ALCbackend, self));
+}
- if(!data->thread)
- return;
+static void ALCnullBackend_lock(ALCnullBackend *self)
+{
+ ALCbackend_lock(STATIC_CAST(ALCbackend, self));
+}
- data->killNow = 1;
- StopThread(data->thread);
- data->thread = NULL;
+static void ALCnullBackend_unlock(ALCnullBackend *self)
+{
+ ALCbackend_unlock(STATIC_CAST(ALCbackend, self));
+}
- data->killNow = 0;
+static void ALCnullBackend_Delete(ALCnullBackend *self)
+{
+ free(self);
}
+DEFINE_ALCBACKEND_VTABLE(ALCnullBackend);
+
-static const BackendFuncs null_funcs = {
- null_open_playback,
- null_close_playback,
- null_reset_playback,
- null_start_playback,
- null_stop_playback,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- ALCdevice_LockDefault,
- ALCdevice_UnlockDefault,
- ALCdevice_GetLatencyDefault
-};
+typedef struct ALCnullBackendFactory {
+ DERIVE_FROM_TYPE(ALCbackendFactory);
+} ALCnullBackendFactory;
+#define ALCNULLBACKENDFACTORY_INITIALIZER { { GET_VTABLE2(ALCnullBackendFactory, ALCbackendFactory) } }
-ALCboolean alc_null_init(BackendFuncs *func_list)
+ALCboolean ALCnullBackendFactory_init(ALCnullBackendFactory* UNUSED(self))
{
- *func_list = null_funcs;
return ALC_TRUE;
}
-void alc_null_deinit(void)
+void ALCnullBackendFactory_deinit(ALCnullBackendFactory* UNUSED(self))
{
}
-void alc_null_probe(enum DevProbe type)
+ALCboolean ALCnullBackendFactory_support(ALCnullBackendFactory* UNUSED(self), ALCbackend_Type type)
+{
+ if(type == ALCbackend_Playback)
+ return ALC_TRUE;
+ return ALC_FALSE;
+}
+
+void ALCnullBackendFactory_probe(ALCnullBackendFactory* UNUSED(self), enum DevProbe type)
{
switch(type)
{
@@ -172,3 +188,25 @@ void alc_null_probe(enum DevProbe type)
break;
}
}
+
+ALCbackend* ALCnullBackendFactory_createBackend(ALCnullBackendFactory* UNUSED(self), ALCdevice *device)
+{
+ ALCnullBackend *backend;
+
+ backend = calloc(1, sizeof(*backend));
+ if(!backend) return NULL;
+ SET_VTABLE2(ALCnullBackend, ALCbackend, backend);
+
+ STATIC_CAST(ALCbackend, backend)->mDevice = device;
+
+ return STATIC_CAST(ALCbackend, backend);
+}
+
+DEFINE_ALCBACKENDFACTORY_VTABLE(ALCnullBackendFactory);
+
+
+ALCbackendFactory *ALCnullBackendFactory_getFactory(void)
+{
+ static ALCnullBackendFactory factory = ALCNULLBACKENDFACTORY_INITIALIZER;
+ return STATIC_CAST(ALCbackendFactory, &factory);
+}
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 01a2ec37..74c5b0e6 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -497,9 +497,6 @@ void alc_opensl_probe(enum DevProbe type);
ALCboolean alc_qsa_init(BackendFuncs *func_list);
void alc_qsa_deinit(void);
void alc_qsa_probe(enum DevProbe type);
-ALCboolean alc_null_init(BackendFuncs *func_list);
-void alc_null_deinit(void);
-void alc_null_probe(enum DevProbe type);
ALCboolean alc_loopback_init(BackendFuncs *func_list);
void alc_loopback_deinit(void);
void alc_loopback_probe(enum DevProbe type);