diff options
Diffstat (limited to 'Alc/ALu.c')
| -rw-r--r-- | Alc/ALu.c | 251 |
1 files changed, 149 insertions, 102 deletions
@@ -36,6 +36,8 @@ #include "mixer_defs.h" +#include "midi/base.h" + struct ChanMap { enum Channel channel; @@ -48,6 +50,32 @@ ALfloat ConeScale = 1.0f; /* Localized Z scalar for mono sources */ ALfloat ZScale = 1.0f; +extern inline ALfloat minf(ALfloat a, ALfloat b); +extern inline ALfloat maxf(ALfloat a, ALfloat b); +extern inline ALfloat clampf(ALfloat val, ALfloat min, ALfloat max); + +extern inline ALdouble mind(ALdouble a, ALdouble b); +extern inline ALdouble maxd(ALdouble a, ALdouble b); +extern inline ALdouble clampd(ALdouble val, ALdouble min, ALdouble max); + +extern inline ALuint minu(ALuint a, ALuint b); +extern inline ALuint maxu(ALuint a, ALuint b); +extern inline ALuint clampu(ALuint val, ALuint min, ALuint max); + +extern inline ALint mini(ALint a, ALint b); +extern inline ALint maxi(ALint a, ALint b); +extern inline ALint clampi(ALint val, ALint min, ALint max); + +extern inline ALint64 mini64(ALint64 a, ALint64 b); +extern inline ALint64 maxi64(ALint64 a, ALint64 b); +extern inline ALint64 clampi64(ALint64 val, ALint64 min, ALint64 max); + +extern inline ALuint64 minu64(ALuint64 a, ALuint64 b); +extern inline ALuint64 maxu64(ALuint64 a, ALuint64 b); +extern inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max); + +extern inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu); +extern inline ALfloat cubic(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALfloat mu); static ResamplerFunc SelectResampler(enum Resampler Resampler, ALuint increment) { @@ -105,20 +133,20 @@ static WetMixerFunc SelectSendMixer(void) } -static __inline void aluCrossproduct(const ALfloat *inVector1, const ALfloat *inVector2, ALfloat *outVector) +static inline void aluCrossproduct(const ALfloat *inVector1, const ALfloat *inVector2, ALfloat *outVector) { outVector[0] = inVector1[1]*inVector2[2] - inVector1[2]*inVector2[1]; outVector[1] = inVector1[2]*inVector2[0] - inVector1[0]*inVector2[2]; outVector[2] = inVector1[0]*inVector2[1] - inVector1[1]*inVector2[0]; } -static __inline ALfloat aluDotproduct(const ALfloat *inVector1, const ALfloat *inVector2) +static inline ALfloat aluDotproduct(const ALfloat *inVector1, const ALfloat *inVector2) { return inVector1[0]*inVector2[0] + inVector1[1]*inVector2[1] + inVector1[2]*inVector2[2]; } -static __inline void aluNormalize(ALfloat *inVector) +static inline void aluNormalize(ALfloat *inVector) { ALfloat lengthsqr = aluDotproduct(inVector, inVector); if(lengthsqr > 0.0f) @@ -130,7 +158,7 @@ static __inline void aluNormalize(ALfloat *inVector) } } -static __inline ALvoid aluMatrixVector(ALfloat *vector, ALfloat w, ALfloat (*RESTRICT matrix)[4]) +static inline ALvoid aluMatrixVector(ALfloat *vector, ALfloat w, ALfloat (*restrict matrix)[4]) { ALfloat temp[4] = { vector[0], vector[1], vector[2], w @@ -194,49 +222,49 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) { static const struct ChanMap MonoMap[1] = { { FrontCenter, 0.0f } }; static const struct ChanMap StereoMap[2] = { - { FrontLeft, -30.0f * F_PI/180.0f }, - { FrontRight, 30.0f * F_PI/180.0f } + { FrontLeft, DEG2RAD(-30.0f) }, + { FrontRight, DEG2RAD( 30.0f) } }; static const struct ChanMap StereoWideMap[2] = { - { FrontLeft, -90.0f * F_PI/180.0f }, - { FrontRight, 90.0f * F_PI/180.0f } + { FrontLeft, DEG2RAD(-90.0f) }, + { FrontRight, DEG2RAD( 90.0f) } }; static const struct ChanMap RearMap[2] = { - { BackLeft, -150.0f * F_PI/180.0f }, - { BackRight, 150.0f * F_PI/180.0f } + { BackLeft, DEG2RAD(-150.0f) }, + { BackRight, DEG2RAD( 150.0f) } }; static const struct ChanMap QuadMap[4] = { - { FrontLeft, -45.0f * F_PI/180.0f }, - { FrontRight, 45.0f * F_PI/180.0f }, - { BackLeft, -135.0f * F_PI/180.0f }, - { BackRight, 135.0f * F_PI/180.0f } + { FrontLeft, DEG2RAD( -45.0f) }, + { FrontRight, DEG2RAD( 45.0f) }, + { BackLeft, DEG2RAD(-135.0f) }, + { BackRight, DEG2RAD( 135.0f) } }; static const struct ChanMap X51Map[6] = { - { FrontLeft, -30.0f * F_PI/180.0f }, - { FrontRight, 30.0f * F_PI/180.0f }, - { FrontCenter, 0.0f * F_PI/180.0f }, + { FrontLeft, DEG2RAD( -30.0f) }, + { FrontRight, DEG2RAD( 30.0f) }, + { FrontCenter, DEG2RAD( 0.0f) }, { LFE, 0.0f }, - { BackLeft, -110.0f * F_PI/180.0f }, - { BackRight, 110.0f * F_PI/180.0f } + { BackLeft, DEG2RAD(-110.0f) }, + { BackRight, DEG2RAD( 110.0f) } }; static const struct ChanMap X61Map[7] = { - { FrontLeft, -30.0f * F_PI/180.0f }, - { FrontRight, 30.0f * F_PI/180.0f }, - { FrontCenter, 0.0f * F_PI/180.0f }, + { FrontLeft, DEG2RAD(-30.0f) }, + { FrontRight, DEG2RAD( 30.0f) }, + { FrontCenter, DEG2RAD( 0.0f) }, { LFE, 0.0f }, - { BackCenter, 180.0f * F_PI/180.0f }, - { SideLeft, -90.0f * F_PI/180.0f }, - { SideRight, 90.0f * F_PI/180.0f } + { BackCenter, DEG2RAD(180.0f) }, + { SideLeft, DEG2RAD(-90.0f) }, + { SideRight, DEG2RAD( 90.0f) } }; static const struct ChanMap X71Map[8] = { - { FrontLeft, -30.0f * F_PI/180.0f }, - { FrontRight, 30.0f * F_PI/180.0f }, - { FrontCenter, 0.0f * F_PI/180.0f }, + { FrontLeft, DEG2RAD( -30.0f) }, + { FrontRight, DEG2RAD( 30.0f) }, + { FrontCenter, DEG2RAD( 0.0f) }, { LFE, 0.0f }, - { BackLeft, -150.0f * F_PI/180.0f }, - { BackRight, 150.0f * F_PI/180.0f }, - { SideLeft, -90.0f * F_PI/180.0f }, - { SideRight, 90.0f * F_PI/180.0f } + { BackLeft, DEG2RAD(-150.0f) }, + { BackRight, DEG2RAD( 150.0f) }, + { SideLeft, DEG2RAD( -90.0f) }, + { SideRight, DEG2RAD( 90.0f) } }; ALCdevice *Device = ALContext->Device; @@ -254,7 +282,6 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALboolean DirectChannels; ALfloat hwidth = 0.0f; ALfloat Pitch; - ALfloat cw; ALint i, c; /* Get device properties */ @@ -280,14 +307,9 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALbuffer *ALBuffer; if((ALBuffer=BufferListItem->buffer) != NULL) { - ALsizei maxstep = BUFFERSIZE; - maxstep -= ResamplerPadding[Resampler] + - ResamplerPrePadding[Resampler] + 1; - maxstep = mini(maxstep, INT_MAX>>FRACTIONBITS); - Pitch = Pitch * ALBuffer->Frequency / Frequency; - if(Pitch > (ALfloat)maxstep) - ALSource->Params.Step = maxstep<<FRACTIONBITS; + if(Pitch > 10.0f) + ALSource->Params.Step = 10<<FRACTIONBITS; else { ALSource->Params.Step = fastf2i(Pitch*FRACTIONONE); @@ -319,7 +341,7 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) } SrcMatrix = ALSource->Params.Direct.Gains; - for(i = 0;i < MaxChannels;i++) + for(i = 0;i < MAX_INPUT_CHANNELS;i++) { for(c = 0;c < MaxChannels;c++) SrcMatrix[i][c] = 0.0f; @@ -345,7 +367,7 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) else { chans = StereoWideMap; - hwidth = 60.0f * F_PI/180.0f; + hwidth = DEG2RAD(60.0f); } num_channels = 2; break; @@ -443,27 +465,37 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) for(i = 0;i < NumSends;i++) { ALeffectslot *Slot = ALSource->Send[i].Slot; - if(!Slot && i == 0) Slot = Device->DefaultSlot; - if(Slot && Slot->effect.type == AL_EFFECT_NULL) - Slot = NULL; - ALSource->Params.Send[i].Slot = Slot; + if(!Slot || Slot->EffectType == AL_EFFECT_NULL) + { + ALSource->Params.Send[i].OutBuffer = NULL; + ALSource->Params.Send[i].ClickRemoval = NULL; + ALSource->Params.Send[i].PendingClicks = NULL; + } + else + { + ALSource->Params.Send[i].OutBuffer = Slot->WetBuffer; + ALSource->Params.Send[i].ClickRemoval = Slot->ClickRemoval; + ALSource->Params.Send[i].PendingClicks = Slot->PendingClicks; + } ALSource->Params.Send[i].Gain = WetGain[i]; } - /* Update filter coefficients. Calculations based on the I3DL2 - * spec. */ - cw = cosf(F_PI*2.0f * LOWPASSFREQREF / Frequency); - - /* We use two chained one-pole filters, so we need to take the - * square root of the squared gain, which is the same as the base - * gain. */ - ALSource->Params.Direct.iirFilter.coeff = lpCoeffCalc(DryGainHF, cw); + { + ALfloat gain = maxf(0.01f, DryGainHF); + for(c = 0;c < num_channels;c++) + ALfilterState_setParams(&ALSource->Params.Direct.LpFilter[c], + ALfilterType_HighShelf, gain, + (ALfloat)LOWPASSFREQREF/Frequency, 0.0f); + } for(i = 0;i < NumSends;i++) { - ALfloat a = lpCoeffCalc(WetGainHF[i], cw); - ALSource->Params.Send[i].iirFilter.coeff = a; + ALfloat gain = maxf(0.01f, WetGainHF[i]); + for(c = 0;c < num_channels;c++) + ALfilterState_setParams(&ALSource->Params.Send[i].LpFilter[c], + ALfilterType_HighShelf, gain, + (ALfloat)LOWPASSFREQREF/Frequency, 0.0f); } } @@ -495,7 +527,6 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALfloat Pitch; ALuint Frequency; ALint NumSends; - ALfloat cw; ALint i, j; DryGainHF = 1.0f; @@ -547,7 +578,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) if(!Slot && i == 0) Slot = Device->DefaultSlot; - if(!Slot || Slot->effect.type == AL_EFFECT_NULL) + if(!Slot || Slot->EffectType == AL_EFFECT_NULL) { Slot = NULL; RoomRolloff[i] = 0.0f; @@ -557,12 +588,12 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) else if(Slot->AuxSendAuto) { RoomRolloff[i] = RoomRolloffBase; - if(IsReverbEffect(Slot->effect.type)) + if(IsReverbEffect(Slot->EffectType)) { - RoomRolloff[i] += Slot->effect.Reverb.RoomRolloffFactor; - DecayDistance[i] = Slot->effect.Reverb.DecayTime * + RoomRolloff[i] += Slot->EffectProps.Reverb.RoomRolloffFactor; + DecayDistance[i] = Slot->EffectProps.Reverb.DecayTime * SPEEDOFSOUNDMETRESPERSEC; - RoomAirAbsorption[i] = Slot->effect.Reverb.AirAbsorptionGainHF; + RoomAirAbsorption[i] = Slot->EffectProps.Reverb.AirAbsorptionGainHF; } else { @@ -579,13 +610,24 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) RoomAirAbsorption[i] = AIRABSORBGAINHF; } - ALSource->Params.Send[i].Slot = Slot; + if(!Slot || Slot->EffectType == AL_EFFECT_NULL) + { + ALSource->Params.Send[i].OutBuffer = NULL; + ALSource->Params.Send[i].ClickRemoval = NULL; + ALSource->Params.Send[i].PendingClicks = NULL; + } + else + { + ALSource->Params.Send[i].OutBuffer = Slot->WetBuffer; + ALSource->Params.Send[i].ClickRemoval = Slot->ClickRemoval; + ALSource->Params.Send[i].PendingClicks = Slot->PendingClicks; + } } /* Transform source to listener space (convert to head relative) */ if(ALSource->HeadRelative == AL_FALSE) { - ALfloat (*RESTRICT Matrix)[4] = ALContext->Listener->Params.Matrix; + ALfloat (*restrict Matrix)[4] = ALContext->Listener->Params.Matrix; /* Transform source vectors */ aluMatrixVector(Position, 1.0f, Matrix); aluMatrixVector(Direction, 0.0f, Matrix); @@ -704,7 +746,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) } /* Calculate directional soundcones */ - Angle = acosf(aluDotproduct(Direction,SourceToListener)) * ConeScale * (360.0f/F_PI); + Angle = RAD2DEG(acosf(aluDotproduct(Direction,SourceToListener)) * ConeScale) * 2.0f; if(Angle > InnerAngle && Angle <= OuterAngle) { ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle); @@ -777,14 +819,9 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) { /* Calculate fixed-point stepping value, based on the pitch, buffer * frequency, and output frequency. */ - ALsizei maxstep = BUFFERSIZE; - maxstep -= ResamplerPadding[Resampler] + - ResamplerPrePadding[Resampler] + 1; - maxstep = mini(maxstep, INT_MAX>>FRACTIONBITS); - Pitch = Pitch * ALBuffer->Frequency / Frequency; - if(Pitch > (ALfloat)maxstep) - ALSource->Params.Step = maxstep<<FRACTIONBITS; + if(Pitch > 10.0f) + ALSource->Params.Step = 10<<FRACTIONBITS; else { ALSource->Params.Step = fastf2i(Pitch*FRACTIONONE); @@ -869,7 +906,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALfloat DirGain = 0.0f; ALfloat AmbientGain; - for(i = 0;i < MaxChannels;i++) + for(i = 0;i < MAX_INPUT_CHANNELS;i++) { for(j = 0;j < MaxChannels;j++) Matrix[i][j] = 0.0f; @@ -900,51 +937,59 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) for(i = 0;i < NumSends;i++) ALSource->Params.Send[i].Gain = WetGain[i]; - /* Update filter coefficients. */ - cw = cosf(F_PI*2.0f * LOWPASSFREQREF / Frequency); - ALSource->Params.Direct.iirFilter.coeff = lpCoeffCalc(DryGainHF, cw); + { + ALfloat gain = maxf(0.01f, DryGainHF); + ALfilterState_setParams(&ALSource->Params.Direct.LpFilter[0], + ALfilterType_HighShelf, gain, + (ALfloat)LOWPASSFREQREF/Frequency, 0.0f); + } for(i = 0;i < NumSends;i++) { - ALfloat a = lpCoeffCalc(WetGainHF[i], cw); - ALSource->Params.Send[i].iirFilter.coeff = a; + ALfloat gain = maxf(0.01f, WetGainHF[i]); + ALfilterState_setParams(&ALSource->Params.Send[i].LpFilter[0], + ALfilterType_HighShelf, gain, + (ALfloat)LOWPASSFREQREF/Frequency, 0.0f); } } -static __inline ALfloat aluF2F(ALfloat val) -{ return val; } -static __inline ALint aluF2I(ALfloat val) +static inline ALint aluF2I25(ALfloat val) { - /* Clamp the value between -1 and +1. This handles that without branching. */ - val = val+1.0f - fabsf(val-1.0f); - val = (val-2.0f + fabsf(val+2.0f)) * 0.25f; - /* Convert to a signed integer, between -2147483647 and +2147483647. */ - return fastf2i((ALfloat)(val*2147483647.0)); + /* Clamp the value between -1 and +1. This handles that with only a single branch. */ + if(fabsf(val) > 1.0f) + val = (ALfloat)((0.0f < val) - (val < 0.0f)); + /* Convert to a signed integer, between -16777215 and +16777215. */ + return fastf2i(val*16777215.0f); } -static __inline ALuint aluF2UI(ALfloat val) + +static inline ALfloat aluF2F(ALfloat val) +{ return val; } +static inline ALint aluF2I(ALfloat val) +{ return aluF2I25(val)<<7; } +static inline ALuint aluF2UI(ALfloat val) { return aluF2I(val)+2147483648u; } -static __inline ALshort aluF2S(ALfloat val) -{ return aluF2I(val)>>16; } -static __inline ALushort aluF2US(ALfloat val) +static inline ALshort aluF2S(ALfloat val) +{ return aluF2I25(val)>>9; } +static inline ALushort aluF2US(ALfloat val) { return aluF2S(val)+32768; } -static __inline ALbyte aluF2B(ALfloat val) -{ return aluF2I(val)>>24; } -static __inline ALubyte aluF2UB(ALfloat val) +static inline ALbyte aluF2B(ALfloat val) +{ return aluF2I25(val)>>17; } +static inline ALubyte aluF2UB(ALfloat val) { return aluF2B(val)+128; } #define DECL_TEMPLATE(T, func) \ -static int Write_##T(ALCdevice *device, T *RESTRICT buffer, \ +static int Write_##T(ALCdevice *device, T *restrict buffer, \ ALuint SamplesToDo) \ { \ - ALfloat (*RESTRICT DryBuffer)[BUFFERSIZE] = device->DryBuffer; \ + ALfloat (*restrict DryBuffer)[BUFFERSIZE] = device->DryBuffer; \ ALuint numchans = ChannelsFromDevFmt(device->FmtChans); \ const ALuint *offsets = device->ChannelOffsets; \ ALuint i, j; \ \ for(j = 0;j < MaxChannels;j++) \ { \ - T *RESTRICT out; \ + T *restrict out; \ \ if(offsets[j] == INVALID_OFFSET) \ continue; \ @@ -985,6 +1030,8 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) memset(device->DryBuffer[c], 0, SamplesToDo*sizeof(ALfloat)); ALCdevice_Lock(device); + V(device->Synth,process)(SamplesToDo, device->DryBuffer); + ctx = device->ContextList; while(ctx) { @@ -1034,10 +1081,10 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) (*slot)->PendingClicks[0] = 0.0f; if(!DeferUpdates && ExchangeInt(&(*slot)->NeedsUpdate, AL_FALSE)) - ALeffectState_Update((*slot)->EffectState, device, *slot); + V((*slot)->EffectState,update)(device, *slot); - ALeffectState_Process((*slot)->EffectState, SamplesToDo, - (*slot)->WetBuffer[0], device->DryBuffer); + V((*slot)->EffectState,process)(SamplesToDo, (*slot)->WetBuffer[0], + device->DryBuffer); for(i = 0;i < SamplesToDo;i++) (*slot)->WetBuffer[0][i] = 0.0f; @@ -1063,10 +1110,10 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) (*slot)->PendingClicks[0] = 0.0f; if(ExchangeInt(&(*slot)->NeedsUpdate, AL_FALSE)) - ALeffectState_Update((*slot)->EffectState, device, *slot); + V((*slot)->EffectState,update)(device, *slot); - ALeffectState_Process((*slot)->EffectState, SamplesToDo, - (*slot)->WetBuffer[0], device->DryBuffer); + V((*slot)->EffectState,process)(SamplesToDo, (*slot)->WetBuffer[0], + device->DryBuffer); for(i = 0;i < SamplesToDo;i++) (*slot)->WetBuffer[0][i] = 0.0f; |