diff options
Diffstat (limited to 'Alc/effects')
| -rw-r--r-- | Alc/effects/chorus.c | 35 | ||||
| -rw-r--r-- | Alc/effects/flanger.c | 35 |
2 files changed, 54 insertions, 16 deletions
diff --git a/Alc/effects/chorus.c b/Alc/effects/chorus.c index f2e43eb6..a6bb199e 100644 --- a/Alc/effects/chorus.c +++ b/Alc/effects/chorus.c @@ -30,6 +30,11 @@ #include "alu.h" +enum ChorusWaveForm { + CWF_Triangle = AL_CHORUS_WAVEFORM_TRIANGLE, + CWF_Sinusoid = AL_CHORUS_WAVEFORM_SINUSOID +}; + typedef struct ALchorusState { DERIVE_FROM_TYPE(ALeffectState); @@ -44,7 +49,7 @@ typedef struct ALchorusState { ALfloat Gain[2][MaxChannels]; /* effect parameters */ - ALint waveform; + enum ChorusWaveForm waveform; ALint delay; ALfloat depth; ALfloat feedback; @@ -92,7 +97,15 @@ static ALvoid ALchorusState_update(ALchorusState *state, ALCdevice *Device, cons ALfloat rate; ALint phase; - state->waveform = Slot->EffectProps.Chorus.Waveform; + switch(Slot->EffectProps.Chorus.Waveform) + { + case AL_CHORUS_WAVEFORM_TRIANGLE: + state->waveform = CWF_Triangle; + break; + case AL_CHORUS_WAVEFORM_SINUSOID: + state->waveform = CWF_Sinusoid; + break; + } state->depth = Slot->EffectProps.Chorus.Depth; state->feedback = Slot->EffectProps.Chorus.Feedback; state->delay = fastf2i(Slot->EffectProps.Chorus.Delay * frequency); @@ -115,10 +128,10 @@ static ALvoid ALchorusState_update(ALchorusState *state, ALCdevice *Device, cons state->lfo_range = fastf2u(frequency/rate + 0.5f); switch(state->waveform) { - case AL_CHORUS_WAVEFORM_TRIANGLE: + case CWF_Triangle: state->lfo_scale = 4.0f / state->lfo_range; break; - case AL_CHORUS_WAVEFORM_SINUSOID: + case CWF_Sinusoid: state->lfo_scale = F_2PI / state->lfo_range; break; } @@ -198,10 +211,15 @@ static ALvoid ALchorusState_process(ALchorusState *state, ALuint SamplesToDo, co ALfloat temps[64][2]; ALuint td = minu(SamplesToDo-base, 64); - if(state->waveform == AL_CHORUS_WAVEFORM_TRIANGLE) - ProcessTriangle(state, td, SamplesIn+base, temps); - else if(state->waveform == AL_CHORUS_WAVEFORM_SINUSOID) - ProcessSinusoid(state, td, SamplesIn+base, temps); + switch(state->waveform) + { + case CWF_Triangle: + ProcessTriangle(state, td, SamplesIn+base, temps); + break; + case CWF_Sinusoid: + ProcessSinusoid(state, td, SamplesIn+base, temps); + break; + } for(kt = 0;kt < MaxChannels;kt++) { @@ -246,6 +264,7 @@ static ALeffectState *ALchorusStateFactory_create(ALchorusStateFactory *UNUSED(f state->SampleBuffer[1] = NULL; state->offset = 0; state->lfo_range = 1; + state->waveform = CWF_Triangle; return STATIC_CAST(ALeffectState, state); } diff --git a/Alc/effects/flanger.c b/Alc/effects/flanger.c index b8560206..117cd1f2 100644 --- a/Alc/effects/flanger.c +++ b/Alc/effects/flanger.c @@ -30,6 +30,11 @@ #include "alu.h" +enum FlangerWaveForm { + FWF_Triangle = AL_FLANGER_WAVEFORM_TRIANGLE, + FWF_Sinusoid = AL_FLANGER_WAVEFORM_SINUSOID +}; + typedef struct ALflangerState { DERIVE_FROM_TYPE(ALeffectState); @@ -44,7 +49,7 @@ typedef struct ALflangerState { ALfloat Gain[2][MaxChannels]; /* effect parameters */ - ALint waveform; + enum FlangerWaveForm waveform; ALint delay; ALfloat depth; ALfloat feedback; @@ -92,7 +97,15 @@ static ALvoid ALflangerState_update(ALflangerState *state, ALCdevice *Device, co ALfloat rate; ALint phase; - state->waveform = Slot->EffectProps.Flanger.Waveform; + switch(Slot->EffectProps.Flanger.Waveform) + { + case AL_FLANGER_WAVEFORM_TRIANGLE: + state->waveform = FWF_Triangle; + break; + case AL_FLANGER_WAVEFORM_SINUSOID: + state->waveform = FWF_Sinusoid; + break; + } state->depth = Slot->EffectProps.Flanger.Depth; state->feedback = Slot->EffectProps.Flanger.Feedback; state->delay = fastf2i(Slot->EffectProps.Flanger.Delay * frequency); @@ -115,10 +128,10 @@ static ALvoid ALflangerState_update(ALflangerState *state, ALCdevice *Device, co state->lfo_range = fastf2u(frequency/rate + 0.5f); switch(state->waveform) { - case AL_FLANGER_WAVEFORM_TRIANGLE: + case FWF_Triangle: state->lfo_scale = 4.0f / state->lfo_range; break; - case AL_FLANGER_WAVEFORM_SINUSOID: + case FWF_Sinusoid: state->lfo_scale = F_2PI / state->lfo_range; break; } @@ -198,10 +211,15 @@ static ALvoid ALflangerState_process(ALflangerState *state, ALuint SamplesToDo, ALfloat temps[64][2]; ALuint td = minu(SamplesToDo-base, 64); - if(state->waveform == AL_FLANGER_WAVEFORM_TRIANGLE) - ProcessTriangle(state, td, SamplesIn+base, temps); - else if(state->waveform == AL_FLANGER_WAVEFORM_SINUSOID) - ProcessSinusoid(state, td, SamplesIn+base, temps); + switch(state->waveform) + { + case FWF_Triangle: + ProcessTriangle(state, td, SamplesIn+base, temps); + break; + case FWF_Sinusoid: + ProcessSinusoid(state, td, SamplesIn+base, temps); + break; + } for(kt = 0;kt < MaxChannels;kt++) { @@ -246,6 +264,7 @@ ALeffectState *ALflangerStateFactory_create(ALflangerStateFactory *UNUSED(factor state->SampleBuffer[1] = NULL; state->offset = 0; state->lfo_range = 1; + state->waveform = FWF_Triangle; return STATIC_CAST(ALeffectState, state); } |