mirror of
https://github.com/love2d/megasource.git
synced 2026-08-19 20:20:11 +02:00
Update OpenAL Soft to 1.18.2
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@@ -35,9 +35,29 @@ typedef struct ALdedicatedState {
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ALfloat gains[MAX_OUTPUT_CHANNELS];
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} ALdedicatedState;
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static ALvoid ALdedicatedState_Destruct(ALdedicatedState *state);
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static ALboolean ALdedicatedState_deviceUpdate(ALdedicatedState *state, ALCdevice *device);
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static ALvoid ALdedicatedState_update(ALdedicatedState *state, const ALCdevice *device, const ALeffectslot *Slot, const ALeffectProps *props);
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static ALvoid ALdedicatedState_process(ALdedicatedState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels);
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DECLARE_DEFAULT_ALLOCATORS(ALdedicatedState)
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static ALvoid ALdedicatedState_Destruct(ALdedicatedState *UNUSED(state))
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DEFINE_ALEFFECTSTATE_VTABLE(ALdedicatedState);
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static void ALdedicatedState_Construct(ALdedicatedState *state)
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{
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ALsizei s;
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ALeffectState_Construct(STATIC_CAST(ALeffectState, state));
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SET_VTABLE2(ALdedicatedState, ALeffectState, state);
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for(s = 0;s < MAX_OUTPUT_CHANNELS;s++)
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state->gains[s] = 0.0f;
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}
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static ALvoid ALdedicatedState_Destruct(ALdedicatedState *state)
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{
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ALeffectState_Destruct(STATIC_CAST(ALeffectState,state));
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}
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static ALboolean ALdedicatedState_deviceUpdate(ALdedicatedState *UNUSED(state), ALCdevice *UNUSED(device))
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@@ -45,7 +65,7 @@ static ALboolean ALdedicatedState_deviceUpdate(ALdedicatedState *UNUSED(state),
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return AL_TRUE;
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}
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static ALvoid ALdedicatedState_update(ALdedicatedState *state, ALCdevice *device, const ALeffectslot *Slot)
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static ALvoid ALdedicatedState_update(ALdedicatedState *state, const ALCdevice *device, const ALeffectslot *Slot, const ALeffectProps *props)
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{
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ALfloat Gain;
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ALuint i;
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@@ -53,47 +73,57 @@ static ALvoid ALdedicatedState_update(ALdedicatedState *state, ALCdevice *device
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for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
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state->gains[i] = 0.0f;
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Gain = Slot->Gain * Slot->EffectProps.Dedicated.Gain;
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if(Slot->EffectType == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
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Gain = Slot->Params.Gain * props->Dedicated.Gain;
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if(Slot->Params.EffectType == AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT)
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{
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int idx;
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if((idx=GetChannelIdxByName(device, LFE)) != -1)
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if((idx=GetChannelIdxByName(device->RealOut, LFE)) != -1)
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{
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STATIC_CAST(ALeffectState,state)->OutBuffer = device->RealOut.Buffer;
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STATIC_CAST(ALeffectState,state)->OutChannels = device->RealOut.NumChannels;
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state->gains[idx] = Gain;
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}
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}
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else if(Slot->EffectType == AL_EFFECT_DEDICATED_DIALOGUE)
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else if(Slot->Params.EffectType == AL_EFFECT_DEDICATED_DIALOGUE)
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{
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int idx;
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/* Dialog goes to the front-center speaker if it exists, otherwise it
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* plays from the front-center location. */
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if((idx=GetChannelIdxByName(device, FrontCenter)) != -1)
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if((idx=GetChannelIdxByName(device->RealOut, FrontCenter)) != -1)
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{
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STATIC_CAST(ALeffectState,state)->OutBuffer = device->RealOut.Buffer;
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STATIC_CAST(ALeffectState,state)->OutChannels = device->RealOut.NumChannels;
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state->gains[idx] = Gain;
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}
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else
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{
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static const ALfloat front_dir[3] = { 0.0f, 0.0f, -1.0f };
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ComputeDirectionalGains(device, front_dir, Gain, state->gains);
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ALfloat coeffs[MAX_AMBI_COEFFS];
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CalcAngleCoeffs(0.0f, 0.0f, 0.0f, coeffs);
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STATIC_CAST(ALeffectState,state)->OutBuffer = device->Dry.Buffer;
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STATIC_CAST(ALeffectState,state)->OutChannels = device->Dry.NumChannels;
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ComputePanningGains(device->Dry, coeffs, Gain, state->gains);
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}
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}
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}
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static ALvoid ALdedicatedState_process(ALdedicatedState *state, ALuint SamplesToDo, const ALfloat *restrict SamplesIn, ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALuint NumChannels)
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static ALvoid ALdedicatedState_process(ALdedicatedState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels)
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{
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const ALfloat *gains = state->gains;
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ALuint i, c;
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ALsizei i, c;
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SamplesIn = ASSUME_ALIGNED(SamplesIn, 16);
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SamplesOut = ASSUME_ALIGNED(SamplesOut, 16);
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for(c = 0;c < NumChannels;c++)
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{
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if(!(fabsf(gains[c]) > GAIN_SILENCE_THRESHOLD))
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const ALfloat gain = state->gains[c];
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if(!(fabsf(gain) > GAIN_SILENCE_THRESHOLD))
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continue;
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for(i = 0;i < SamplesToDo;i++)
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SamplesOut[c][i] += SamplesIn[i] * gains[c];
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SamplesOut[c][i] += SamplesIn[0][i] * gain;
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}
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}
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DECLARE_DEFAULT_ALLOCATORS(ALdedicatedState)
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DEFINE_ALEFFECTSTATE_VTABLE(ALdedicatedState);
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typedef struct ALdedicatedStateFactory {
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DERIVE_FROM_TYPE(ALeffectStateFactory);
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@@ -102,14 +132,9 @@ typedef struct ALdedicatedStateFactory {
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ALeffectState *ALdedicatedStateFactory_create(ALdedicatedStateFactory *UNUSED(factory))
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{
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ALdedicatedState *state;
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ALsizei s;
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state = ALdedicatedState_New(sizeof(*state));
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NEW_OBJ0(state, ALdedicatedState)();
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if(!state) return NULL;
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SET_VTABLE2(ALdedicatedState, ALeffectState, state);
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for(s = 0;s < MAX_OUTPUT_CHANNELS;s++)
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state->gains[s] = 0.0f;
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return STATIC_CAST(ALeffectState, state);
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}
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