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-rw-r--r--Alc/effects/dedicated.cpp187
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diff --git a/Alc/effects/dedicated.cpp b/Alc/effects/dedicated.cpp
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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 <stdlib.h>
+
+#include "alMain.h"
+#include "alAuxEffectSlot.h"
+#include "alError.h"
+#include "alu.h"
+#include "filters/defs.h"
+
+
+struct ALdedicatedState final : public ALeffectState {
+ ALfloat CurrentGains[MAX_OUTPUT_CHANNELS];
+ ALfloat TargetGains[MAX_OUTPUT_CHANNELS];
+};
+
+static ALvoid ALdedicatedState_Destruct(ALdedicatedState *state);
+static ALboolean ALdedicatedState_deviceUpdate(ALdedicatedState *state, ALCdevice *device);
+static ALvoid ALdedicatedState_update(ALdedicatedState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props);
+static ALvoid ALdedicatedState_process(ALdedicatedState *state, ALsizei SamplesToDo, const ALfloat (*RESTRICT SamplesIn)[BUFFERSIZE], ALfloat (*RESTRICT SamplesOut)[BUFFERSIZE], ALsizei NumChannels);
+DECLARE_DEFAULT_ALLOCATORS(ALdedicatedState)
+
+DEFINE_ALEFFECTSTATE_VTABLE(ALdedicatedState);
+
+
+static void ALdedicatedState_Construct(ALdedicatedState *state)
+{
+ new (state) ALdedicatedState{};
+ ALeffectState_Construct(STATIC_CAST(ALeffectState, state));
+ SET_VTABLE2(ALdedicatedState, ALeffectState, state);
+}
+
+static ALvoid ALdedicatedState_Destruct(ALdedicatedState *state)
+{
+ ALeffectState_Destruct(STATIC_CAST(ALeffectState,state));
+ state->~ALdedicatedState();
+}
+
+static ALboolean ALdedicatedState_deviceUpdate(ALdedicatedState *state, ALCdevice *UNUSED(device))
+{
+ ALsizei i;
+ for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
+ state->CurrentGains[i] = 0.0f;
+ return AL_TRUE;
+}
+
+static ALvoid ALdedicatedState_update(ALdedicatedState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props)
+{
+ const ALCdevice *device = context->Device;
+ ALfloat Gain;
+ ALsizei i;
+
+ for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
+ state->TargetGains[i] = 0.0f;
+
+ Gain = slot->Params.Gain * props->Dedicated.Gain;
+ if(slot->Params.EffectType == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
+ {
+ int idx;
+ if((idx=GetChannelIdxByName(&device->RealOut, LFE)) != -1)
+ {
+ STATIC_CAST(ALeffectState,state)->OutBuffer = device->RealOut.Buffer;
+ STATIC_CAST(ALeffectState,state)->OutChannels = device->RealOut.NumChannels;
+ state->TargetGains[idx] = Gain;
+ }
+ }
+ else if(slot->Params.EffectType == AL_EFFECT_DEDICATED_DIALOGUE)
+ {
+ int idx;
+ /* Dialog goes to the front-center speaker if it exists, otherwise it
+ * plays from the front-center location. */
+ if((idx=GetChannelIdxByName(&device->RealOut, FrontCenter)) != -1)
+ {
+ STATIC_CAST(ALeffectState,state)->OutBuffer = device->RealOut.Buffer;
+ STATIC_CAST(ALeffectState,state)->OutChannels = device->RealOut.NumChannels;
+ state->TargetGains[idx] = Gain;
+ }
+ else
+ {
+ ALfloat coeffs[MAX_AMBI_COEFFS];
+ CalcAngleCoeffs(0.0f, 0.0f, 0.0f, coeffs);
+
+ STATIC_CAST(ALeffectState,state)->OutBuffer = device->Dry.Buffer;
+ STATIC_CAST(ALeffectState,state)->OutChannels = device->Dry.NumChannels;
+ ComputePanGains(&device->Dry, coeffs, Gain, state->TargetGains);
+ }
+ }
+}
+
+static ALvoid ALdedicatedState_process(ALdedicatedState *state, ALsizei SamplesToDo, const ALfloat (*RESTRICT SamplesIn)[BUFFERSIZE], ALfloat (*RESTRICT SamplesOut)[BUFFERSIZE], ALsizei NumChannels)
+{
+ MixSamples(SamplesIn[0], NumChannels, SamplesOut, state->CurrentGains,
+ state->TargetGains, SamplesToDo, 0, SamplesToDo);
+}
+
+
+struct DedicatedStateFactory final : public EffectStateFactory {
+ DedicatedStateFactory() noexcept;
+};
+
+ALeffectState *DedicatedStateFactory_create(DedicatedStateFactory *UNUSED(factory))
+{
+ ALdedicatedState *state;
+
+ NEW_OBJ0(state, ALdedicatedState)();
+ if(!state) return NULL;
+
+ return STATIC_CAST(ALeffectState, state);
+}
+
+DEFINE_EFFECTSTATEFACTORY_VTABLE(DedicatedStateFactory);
+
+DedicatedStateFactory::DedicatedStateFactory() noexcept
+ : EffectStateFactory{GET_VTABLE2(DedicatedStateFactory, EffectStateFactory)}
+{
+}
+
+EffectStateFactory *DedicatedStateFactory_getFactory(void)
+{
+ static DedicatedStateFactory DedicatedFactory{};
+ return STATIC_CAST(EffectStateFactory, &DedicatedFactory);
+}
+
+
+void ALdedicated_setParami(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint UNUSED(val))
+{ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated integer property 0x%04x", param); }
+void ALdedicated_setParamiv(ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, const ALint *UNUSED(vals))
+{ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated integer-vector property 0x%04x", param); }
+void ALdedicated_setParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
+{
+ ALeffectProps *props = &effect->Props;
+ switch(param)
+ {
+ case AL_DEDICATED_GAIN:
+ if(!(val >= 0.0f && isfinite(val)))
+ SETERR_RETURN(context, AL_INVALID_VALUE,, "Dedicated gain out of range");
+ props->Dedicated.Gain = val;
+ break;
+
+ default:
+ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated float property 0x%04x", param);
+ }
+}
+void ALdedicated_setParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals)
+{ ALdedicated_setParamf(effect, context, param, vals[0]); }
+
+void ALdedicated_getParami(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint *UNUSED(val))
+{ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated integer property 0x%04x", param); }
+void ALdedicated_getParamiv(const ALeffect *UNUSED(effect), ALCcontext *context, ALenum param, ALint *UNUSED(vals))
+{ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated integer-vector property 0x%04x", param); }
+void ALdedicated_getParamf(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
+{
+ const ALeffectProps *props = &effect->Props;
+ switch(param)
+ {
+ case AL_DEDICATED_GAIN:
+ *val = props->Dedicated.Gain;
+ break;
+
+ default:
+ alSetError(context, AL_INVALID_ENUM, "Invalid dedicated float property 0x%04x", param);
+ }
+}
+void ALdedicated_getParamfv(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals)
+{ ALdedicated_getParamf(effect, context, param, vals); }
+
+DEFINE_ALEFFECT_VTABLE(ALdedicated);