diff options
| -rw-r--r-- | Alc/effects/fshifter.c | 649 |
1 files changed, 326 insertions, 323 deletions
diff --git a/Alc/effects/fshifter.c b/Alc/effects/fshifter.c index 2d1b64fe..16710ac2 100644 --- a/Alc/effects/fshifter.c +++ b/Alc/effects/fshifter.c @@ -1,323 +1,326 @@ -/**
- * OpenAL cross platform audio library
- * Copyright (C) 2018 by Raul Herraiz.
- * 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 <math.h>
-#include <stdlib.h>
-
-#include "alMain.h"
-#include "alAuxEffectSlot.h"
-#include "alError.h"
-#include "alu.h"
-#include "filters/defs.h"
-
-#include "alcomplex.h"
-
-#define HIL_SIZE 1024
-#define OVERSAMP (1<<2)
-
-#define HIL_STEP (HIL_SIZE / OVERSAMP)
-#define FIFO_LATENCY (HIL_STEP * (OVERSAMP-1))
-
-
-typedef struct ALfshifterState {
- DERIVE_FROM_TYPE(ALeffectState);
-
- /* Effect parameters */
- ALsizei count;
- ALdouble frac_freq;
- ALdouble inc;
- ALdouble ld_sign;
-
- /*Effects buffers*/
- ALfloat InFIFO[HIL_SIZE];
- ALcomplex OutFIFO[HIL_SIZE];
- ALcomplex OutputAccum[2*HIL_SIZE];
- ALcomplex Analytic[HIL_SIZE];
- ALcomplex Outdata[BUFFERSIZE];
-
- alignas(16) ALfloat BufferOut[BUFFERSIZE];
-
- /* Effect gains for each output channel */
- ALfloat CurrentGains[MAX_OUTPUT_CHANNELS];
- ALfloat TargetGains[MAX_OUTPUT_CHANNELS];
-
-} ALfshifterState;
-
-static ALvoid ALfshifterState_Destruct(ALfshifterState *state);
-static ALboolean ALfshifterState_deviceUpdate(ALfshifterState *state, ALCdevice *device);
-static ALvoid ALfshifterState_update(ALfshifterState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props);
-static ALvoid ALfshifterState_process(ALfshifterState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels);
-DECLARE_DEFAULT_ALLOCATORS(ALfshifterState)
-
-DEFINE_ALEFFECTSTATE_VTABLE(ALfshifterState);
-
-/* Define a Hann window, used to filter the HIL input and output. */
-alignas(16) static ALdouble HannWindow[HIL_SIZE];
-
-static void InitHannWindow(void)
-{
- ALsizei i;
-
- /* Create lookup table of the Hann window for the desired size, i.e. HIL_SIZE */
- for(i = 0;i < HIL_SIZE>>1;i++)
- {
- ALdouble val = sin(M_PI * (ALdouble)i / (ALdouble)(HIL_SIZE-1));
- HannWindow[i] = HannWindow[HIL_SIZE-1-i] = val * val;
- }
-}
-
-static alonce_flag HannInitOnce = AL_ONCE_FLAG_INIT;
-
-static void ALfshifterState_Construct(ALfshifterState *state)
-{
- ALeffectState_Construct(STATIC_CAST(ALeffectState, state));
- SET_VTABLE2(ALfshifterState, ALeffectState, state);
-
- alcall_once(&HannInitOnce, InitHannWindow);
-}
-
-static ALvoid ALfshifterState_Destruct(ALfshifterState *state)
-{
- ALeffectState_Destruct(STATIC_CAST(ALeffectState,state));
-}
-
-static ALboolean ALfshifterState_deviceUpdate(ALfshifterState *state, ALCdevice *device)
-{
- /* (Re-)initializing parameters and clear the buffers. */
- state->count = FIFO_LATENCY;
- state->frac_freq = 0.0;
- state->inc = 0.0;
- state->ld_sign = -1.0;
-
- memset(state->InFIFO , 0, HIL_SIZE*sizeof(ALfloat));
- memset(state->OutFIFO , 0, HIL_SIZE*sizeof(ALcomplex));
- memset(state->OutputAccum, 0, 2*HIL_SIZE*sizeof(ALcomplex));
- memset(state->Analytic , 0, HIL_SIZE*sizeof(ALcomplex));
-
- memset(state->CurrentGains, 0, sizeof(state->CurrentGains));
- memset(state->TargetGains, 0, sizeof(state->TargetGains));
-
- return AL_TRUE;
-}
-
-static ALvoid ALfshifterState_update(ALfshifterState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props)
-{
- const ALCdevice *device = context->Device;
- ALfloat coeffs[MAX_AMBI_COEFFS];
-
- state->frac_freq = props->Fshifter.Frequency/device->Frequency;
-
- switch (props->Fshifter.Left_direction)
- {
- case AL_FREQUENCY_SHIFTER_DIRECTION_DOWN:
- state->ld_sign = -1.0;
- break;
-
- case AL_FREQUENCY_SHIFTER_DIRECTION_UP:
- state->ld_sign = 1.0;
- break;
-
- case AL_FREQUENCY_SHIFTER_DIRECTION_OFF:
- state->frac_freq = 0.0;
- break;
- }
-
- CalcAngleCoeffs(0.0f, 0.0f, 0.0f, coeffs);
- ComputeDryPanGains(&device->Dry, coeffs, slot->Params.Gain, state->TargetGains);
-}
-
-static ALvoid ALfshifterState_process(ALfshifterState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels)
-{
- ALsizei i,k;
- ALfloat *restrict BufferOut = state->BufferOut;
-
- for (i = 0; i < SamplesToDo; i++){
-
- /* Fill FIFO buffer with samples data */
- state->InFIFO[state->count] = SamplesIn[0][i];
- state->Outdata[i] = state->OutFIFO[state->count-FIFO_LATENCY];
-
- state->count++;
-
- /* Check whether FIFO buffer is filled */
- if (state->count >= HIL_SIZE )
- {
- state->count = FIFO_LATENCY;
-
- /* Real signal windowing and store in Analytic buffer */
- for (k = 0; k < HIL_SIZE;k++)
- {
- state->Analytic[k].Real = state->InFIFO[k] * HannWindow[k];
- state->Analytic[k].Imag = 0.0f;
- }
- /*Processing signal by Discrete Hilbert Transform (analytical signal)*/
- hilbert(HIL_SIZE, state->Analytic);
-
- /* Windowing and add to output accumulator */
- for(k=0; k < HIL_SIZE; k++)
- {
- state->OutputAccum[k].Real += 2.0f*HannWindow[k]*state->Analytic[k].Real / OVERSAMP;
- state->OutputAccum[k].Imag += 2.0f*HannWindow[k]*state->Analytic[k].Imag / OVERSAMP;
- }
- for (k = 0; k < HIL_STEP; k++)
- {
- state->OutFIFO[k] = state->OutputAccum[k];
- }
-
- /* shift accumulator */
- memmove(state->OutputAccum, state->OutputAccum + HIL_STEP, HIL_SIZE*sizeof(ALcomplex));
-
- /* move input FIFO */
- for (k = 0; k < FIFO_LATENCY; k++) state->InFIFO[k] = state->InFIFO[k + HIL_STEP];
- }
- }
- /*Process frequency shifter using the analytic signal obtained*/
- for ( k = 0; k < SamplesToDo; k++, state->inc += state->frac_freq )
- {
- ALdouble phase;
-
- if( state->inc >= 1.0 ) state->inc -= 1.0;
-
- phase = (2.0*M_PI*state->inc);
-
- BufferOut[k] = (ALfloat)(state->Outdata[k].Real*cos(phase) +
- state->ld_sign*state->Outdata[k].Imag*sin(phase));
- }
-
- /* Now, mix the processed sound data to the output. */
- MixSamples(BufferOut, NumChannels, SamplesOut, state->CurrentGains, state->TargetGains,
- maxi(SamplesToDo, 512), 0, SamplesToDo);
-
-}
-
-typedef struct FshifterStateFactory {
- DERIVE_FROM_TYPE(EffectStateFactory);
-} FshifterStateFactory;
-
-static ALeffectState *FshifterStateFactory_create(FshifterStateFactory *UNUSED(factory))
-{
- ALfshifterState *state;
-
- NEW_OBJ0(state, ALfshifterState)();
- if(!state) return NULL;
-
- return STATIC_CAST(ALeffectState, state);
-}
-
-DEFINE_EFFECTSTATEFACTORY_VTABLE(FshifterStateFactory);
-
-EffectStateFactory *FshifterStateFactory_getFactory(void)
-{
- static FshifterStateFactory FshifterFactory = { { GET_VTABLE2(FshifterStateFactory, EffectStateFactory) } };
-
- return STATIC_CAST(EffectStateFactory, &FshifterFactory);
-}
-
-void ALfshifter_setParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val)
-{
- ALeffectProps *props = &effect->Props;
- switch(param)
- {
- case AL_FREQUENCY_SHIFTER_FREQUENCY:
- if(!(val >= AL_FREQUENCY_SHIFTER_MIN_FREQUENCY && val <= AL_FREQUENCY_SHIFTER_MAX_FREQUENCY))
- SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter frequency out of range");
- props->Fshifter.Frequency = (ALfloat) val;
- break;
-
- default:
- alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x", param);
- }
-}
-
-void ALfshifter_setParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals)
-{
- ALfshifter_setParamf(effect, context, param, vals[0]);
-}
-
-void ALfshifter_setParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val)
-{
- ALeffectProps *props = &effect->Props;
- switch(param)
- {
- case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
- if(!(val >= AL_FREQUENCY_SHIFTER_MIN_LEFT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_LEFT_DIRECTION))
- SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter left direction out of range");
- props->Fshifter.Left_direction = val;
- break;
-
- case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
- if(!(val >= AL_FREQUENCY_SHIFTER_MIN_RIGHT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_RIGHT_DIRECTION))
- SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter right direction out of range");
- props->Fshifter.Right_direction = val;
- break;
-
- default:
- alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter integer property 0x%04x", param);
- }
-}
-void ALfshifter_setParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals)
-{
- ALfshifter_setParami(effect, context, param, vals[0]);
-}
-
-void ALfshifter_getParami(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *val)
-{
- const ALeffectProps *props = &effect->Props;
- switch(param)
- {
- case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION:
- *val = (ALint)props->Fshifter.Left_direction;
- break;
- case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION:
- *val = (ALint)props->Fshifter.Right_direction;
- break;
- default:
- alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter integer property 0x%04x", param);
- }
-}
-void ALfshifter_getParamiv(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals)
-{
- ALfshifter_getParami(effect, context, param, vals);
-}
-
-void ALfshifter_getParamf(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val)
-{
-
- const ALeffectProps *props = &effect->Props;
- switch(param)
- {
- case AL_FREQUENCY_SHIFTER_FREQUENCY:
- *val = (ALfloat)props->Fshifter.Frequency;
- break;
-
- default:
- alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x", param);
- }
-
-}
-
-void ALfshifter_getParamfv(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals)
-{
- ALfshifter_getParamf(effect, context, param, vals);
-}
-
-DEFINE_ALEFFECT_VTABLE(ALfshifter);
+/** + * OpenAL cross platform audio library + * Copyright (C) 2018 by Raul Herraiz. + * 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 <math.h> +#include <stdlib.h> + +#include "alMain.h" +#include "alAuxEffectSlot.h" +#include "alError.h" +#include "alu.h" +#include "filters/defs.h" + +#include "alcomplex.h" + +#define HIL_SIZE 1024 +#define OVERSAMP (1<<2) + +#define HIL_STEP (HIL_SIZE / OVERSAMP) +#define FIFO_LATENCY (HIL_STEP * (OVERSAMP-1)) + + +typedef struct ALfshifterState { + DERIVE_FROM_TYPE(ALeffectState); + + /* Effect parameters */ + ALsizei count; + ALdouble frac_freq; + ALdouble inc; + ALdouble ld_sign; + + /*Effects buffers*/ + ALfloat InFIFO[HIL_SIZE]; + ALcomplex OutFIFO[HIL_SIZE]; + ALcomplex OutputAccum[2*HIL_SIZE]; + ALcomplex Analytic[HIL_SIZE]; + ALcomplex Outdata[BUFFERSIZE]; + + alignas(16) ALfloat BufferOut[BUFFERSIZE]; + + /* Effect gains for each output channel */ + ALfloat CurrentGains[MAX_OUTPUT_CHANNELS]; + ALfloat TargetGains[MAX_OUTPUT_CHANNELS]; +} ALfshifterState; + +static ALvoid ALfshifterState_Destruct(ALfshifterState *state); +static ALboolean ALfshifterState_deviceUpdate(ALfshifterState *state, ALCdevice *device); +static ALvoid ALfshifterState_update(ALfshifterState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props); +static ALvoid ALfshifterState_process(ALfshifterState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels); +DECLARE_DEFAULT_ALLOCATORS(ALfshifterState) + +DEFINE_ALEFFECTSTATE_VTABLE(ALfshifterState); + +/* Define a Hann window, used to filter the HIL input and output. */ +alignas(16) static ALdouble HannWindow[HIL_SIZE]; + +static void InitHannWindow(void) +{ + ALsizei i; + + /* Create lookup table of the Hann window for the desired size, i.e. HIL_SIZE */ + for(i = 0;i < HIL_SIZE>>1;i++) + { + ALdouble val = sin(M_PI * (ALdouble)i / (ALdouble)(HIL_SIZE-1)); + HannWindow[i] = HannWindow[HIL_SIZE-1-i] = val * val; + } +} + +static alonce_flag HannInitOnce = AL_ONCE_FLAG_INIT; + +static void ALfshifterState_Construct(ALfshifterState *state) +{ + ALeffectState_Construct(STATIC_CAST(ALeffectState, state)); + SET_VTABLE2(ALfshifterState, ALeffectState, state); + + alcall_once(&HannInitOnce, InitHannWindow); +} + +static ALvoid ALfshifterState_Destruct(ALfshifterState *state) +{ + ALeffectState_Destruct(STATIC_CAST(ALeffectState,state)); +} + +static ALboolean ALfshifterState_deviceUpdate(ALfshifterState *state, ALCdevice *UNUSED(device)) +{ + /* (Re-)initializing parameters and clear the buffers. */ + state->count = FIFO_LATENCY; + state->frac_freq = 0.0; + state->inc = 0.0; + state->ld_sign = 1.0; + + memset(state->InFIFO, 0, sizeof(state->InFIFO)); + memset(state->OutFIFO, 0, sizeof(state->OutFIFO)); + memset(state->OutputAccum, 0, sizeof(state->OutputAccum)); + memset(state->Analytic, 0, sizeof(state->Analytic)); + + memset(state->CurrentGains, 0, sizeof(state->CurrentGains)); + memset(state->TargetGains, 0, sizeof(state->TargetGains)); + + return AL_TRUE; +} + +static ALvoid ALfshifterState_update(ALfshifterState *state, const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props) +{ + const ALCdevice *device = context->Device; + ALfloat coeffs[MAX_AMBI_COEFFS]; + + state->frac_freq = props->Fshifter.Frequency/(ALdouble)device->Frequency; + + switch(props->Fshifter.Left_direction) + { + case AL_FREQUENCY_SHIFTER_DIRECTION_DOWN: + state->ld_sign = -1.0; + break; + + case AL_FREQUENCY_SHIFTER_DIRECTION_UP: + state->ld_sign = 1.0; + break; + + case AL_FREQUENCY_SHIFTER_DIRECTION_OFF: + state->inc = 0.0; + state->frac_freq = 0.0; + break; + } + + CalcAngleCoeffs(0.0f, 0.0f, 0.0f, coeffs); + ComputeDryPanGains(&device->Dry, coeffs, slot->Params.Gain, state->TargetGains); +} + +static ALvoid ALfshifterState_process(ALfshifterState *state, ALsizei SamplesToDo, const ALfloat (*restrict SamplesIn)[BUFFERSIZE], ALfloat (*restrict SamplesOut)[BUFFERSIZE], ALsizei NumChannels) +{ + ALfloat *restrict BufferOut = state->BufferOut; + ALsizei i, k; + + for(i = 0; i < SamplesToDo;i++) + { + /* Fill FIFO buffer with samples data */ + state->InFIFO[state->count] = SamplesIn[0][i]; + state->Outdata[i] = state->OutFIFO[state->count-FIFO_LATENCY]; + state->count++; + + /* Check whether FIFO buffer is filled */ + if(state->count >= HIL_SIZE) + { + state->count = FIFO_LATENCY; + + /* Real signal windowing and store in Analytic buffer */ + for(k = 0;k < HIL_SIZE;k++) + { + state->Analytic[k].Real = state->InFIFO[k] * HannWindow[k]; + state->Analytic[k].Imag = 0.0; + } + + /* Processing signal by Discrete Hilbert Transform (analytical + * signal). + */ + hilbert(HIL_SIZE, state->Analytic); + + /* Windowing and add to output accumulator */ + for(k = 0;k < HIL_SIZE;k++) + { + state->OutputAccum[k].Real += 2.0/OVERSAMP*HannWindow[k]*state->Analytic[k].Real; + state->OutputAccum[k].Imag += 2.0/OVERSAMP*HannWindow[k]*state->Analytic[k].Imag; + } + for(k = 0;k < HIL_STEP;k++) + state->OutFIFO[k] = state->OutputAccum[k]; + + /* Shift accumulator */ + memmove(state->OutputAccum, state->OutputAccum+HIL_STEP, HIL_SIZE*sizeof(ALcomplex)); + + /* Move input FIFO */ + for(k = 0;k < FIFO_LATENCY;k++) + state->InFIFO[k] = state->InFIFO[k + HIL_STEP]; + } + } + + /* Process frequency shifter using the analytic signal obtained. */ + for(k = 0;k < SamplesToDo;k++) + { + ALdouble phase; + + if(state->inc >= 1.0) + state->inc -= 1.0; + + phase = 2.0*M_PI * state->inc; + BufferOut[k] = (ALfloat)(state->Outdata[k].Real*cos(phase) + + state->ld_sign*state->Outdata[k].Imag*sin(phase)); + + state->inc += state->frac_freq; + } + + /* Now, mix the processed sound data to the output. */ + MixSamples(BufferOut, NumChannels, SamplesOut, state->CurrentGains, state->TargetGains, + maxi(SamplesToDo, 512), 0, SamplesToDo); +} + +typedef struct FshifterStateFactory { + DERIVE_FROM_TYPE(EffectStateFactory); +} FshifterStateFactory; + +static ALeffectState *FshifterStateFactory_create(FshifterStateFactory *UNUSED(factory)) +{ + ALfshifterState *state; + + NEW_OBJ0(state, ALfshifterState)(); + if(!state) return NULL; + + return STATIC_CAST(ALeffectState, state); +} + +DEFINE_EFFECTSTATEFACTORY_VTABLE(FshifterStateFactory); + +EffectStateFactory *FshifterStateFactory_getFactory(void) +{ + static FshifterStateFactory FshifterFactory = { { GET_VTABLE2(FshifterStateFactory, EffectStateFactory) } }; + + return STATIC_CAST(EffectStateFactory, &FshifterFactory); +} + +void ALfshifter_setParamf(ALeffect *effect, ALCcontext *context, ALenum param, ALfloat val) +{ + ALeffectProps *props = &effect->Props; + switch(param) + { + case AL_FREQUENCY_SHIFTER_FREQUENCY: + if(!(val >= AL_FREQUENCY_SHIFTER_MIN_FREQUENCY && val <= AL_FREQUENCY_SHIFTER_MAX_FREQUENCY)) + SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter frequency out of range"); + props->Fshifter.Frequency = (ALfloat) val; + break; + + default: + alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x", param); + } +} + +void ALfshifter_setParamfv(ALeffect *effect, ALCcontext *context, ALenum param, const ALfloat *vals) +{ + ALfshifter_setParamf(effect, context, param, vals[0]); +} + +void ALfshifter_setParami(ALeffect *effect, ALCcontext *context, ALenum param, ALint val) +{ + ALeffectProps *props = &effect->Props; + switch(param) + { + case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION: + if(!(val >= AL_FREQUENCY_SHIFTER_MIN_LEFT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_LEFT_DIRECTION)) + SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter left direction out of range"); + props->Fshifter.Left_direction = val; + break; + + case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION: + if(!(val >= AL_FREQUENCY_SHIFTER_MIN_RIGHT_DIRECTION && val <= AL_FREQUENCY_SHIFTER_MAX_RIGHT_DIRECTION)) + SETERR_RETURN(context, AL_INVALID_VALUE,,"Frequency shifter right direction out of range"); + props->Fshifter.Right_direction = val; + break; + + default: + alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter integer property 0x%04x", param); + } +} +void ALfshifter_setParamiv(ALeffect *effect, ALCcontext *context, ALenum param, const ALint *vals) +{ + ALfshifter_setParami(effect, context, param, vals[0]); +} + +void ALfshifter_getParami(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *val) +{ + const ALeffectProps *props = &effect->Props; + switch(param) + { + case AL_FREQUENCY_SHIFTER_LEFT_DIRECTION: + *val = (ALint)props->Fshifter.Left_direction; + break; + case AL_FREQUENCY_SHIFTER_RIGHT_DIRECTION: + *val = (ALint)props->Fshifter.Right_direction; + break; + default: + alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter integer property 0x%04x", param); + } +} +void ALfshifter_getParamiv(const ALeffect *effect, ALCcontext *context, ALenum param, ALint *vals) +{ + ALfshifter_getParami(effect, context, param, vals); +} + +void ALfshifter_getParamf(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *val) +{ + + const ALeffectProps *props = &effect->Props; + switch(param) + { + case AL_FREQUENCY_SHIFTER_FREQUENCY: + *val = (ALfloat)props->Fshifter.Frequency; + break; + + default: + alSetError(context, AL_INVALID_ENUM, "Invalid frequency shifter float property 0x%04x", param); + } + +} + +void ALfshifter_getParamfv(const ALeffect *effect, ALCcontext *context, ALenum param, ALfloat *vals) +{ + ALfshifter_getParamf(effect, context, param, vals); +} + +DEFINE_ALEFFECT_VTABLE(ALfshifter); |