diff options
author | Chris Robinson <[email protected]> | 2011-08-17 01:54:09 -0700 |
---|---|---|
committer | Chris Robinson <[email protected]> | 2011-08-17 01:54:09 -0700 |
commit | 2f8510db31690d2d0facbad25921d780a97ae31f (patch) | |
tree | f08b2c45b4d5846811b69f7f91ae8f565425e319 /Alc | |
parent | 38a4d9a6c5f312fc37418c21b416cc3f8c379205 (diff) |
Avoid reading some more source parameters multiple times when updating
Diffstat (limited to 'Alc')
-rw-r--r-- | Alc/ALu.c | 31 |
1 files changed, 19 insertions, 12 deletions
@@ -118,6 +118,7 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) const ALfloat *SpeakerGain; const ALfloat *angles = NULL; const enum Channel *chans = NULL; + enum Resampler Resampler; ALint num_channels = 0; ALboolean VirtualChannels; ALfloat Pitch; @@ -138,6 +139,7 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) MinVolume = ALSource->flMinGain; MaxVolume = ALSource->flMaxGain; Pitch = ALSource->flPitch; + Resampler = ALSource->Resampler; VirtualChannels = ALSource->VirtualChannels; /* Calculate the stepping value */ @@ -150,8 +152,8 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) { ALint maxstep = STACK_DATA_SIZE / ALSource->NumChannels / ALSource->SampleSize; - maxstep -= ResamplerPadding[ALSource->Resampler] + - ResamplerPrePadding[ALSource->Resampler] + 1; + maxstep -= ResamplerPadding[Resampler] + + ResamplerPrePadding[Resampler] + 1; maxstep = mini(maxstep, INT_MAX>>FRACTIONBITS); Pitch = Pitch * ALBuffer->Frequency / Frequency; @@ -169,11 +171,11 @@ ALvoid CalcNonAttnSourceParams(ALsource *ALSource, const ALCcontext *ALContext) if(ALSource->VirtualChannels && (Device->Flags&DEVICE_USE_HRTF)) ALSource->Params.DoMix = SelectHrtfMixer(ALBuffer, (ALSource->Params.Step==FRACTIONONE) ? POINT_RESAMPLER : - ALSource->Resampler); + Resampler); else ALSource->Params.DoMix = SelectMixer(ALBuffer, (ALSource->Params.Step==FRACTIONONE) ? POINT_RESAMPLER : - ALSource->Resampler); + Resampler); break; } BufferListItem = BufferListItem->next; @@ -370,6 +372,7 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALfloat WetGainHF[MAX_SENDS]; ALboolean WetGainAuto; ALboolean WetGainHFAuto; + enum Resampler Resampler; ALfloat Pitch; ALuint Frequency; ALint NumSends; @@ -396,6 +399,8 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) SourceVolume = ALSource->flGain; MinVolume = ALSource->flMinGain; MaxVolume = ALSource->flMaxGain; + Pitch = ALSource->flPitch; + Resampler = ALSource->Resampler; memcpy(Position, ALSource->vPosition, sizeof(ALSource->vPosition)); memcpy(Direction, ALSource->vOrientation, sizeof(ALSource->vOrientation)); memcpy(Velocity, ALSource->vVelocity, sizeof(ALSource->vVelocity)); @@ -644,7 +649,6 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) } // Calculate Velocity - Pitch = ALSource->flPitch; if(DopplerFactor != 0.0f) { ALfloat VSS, VLS; @@ -675,8 +679,8 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) { ALint maxstep = STACK_DATA_SIZE / ALSource->NumChannels / ALSource->SampleSize; - maxstep -= ResamplerPadding[ALSource->Resampler] + - ResamplerPrePadding[ALSource->Resampler] + 1; + maxstep -= ResamplerPadding[Resampler] + + ResamplerPrePadding[Resampler] + 1; maxstep = mini(maxstep, INT_MAX>>FRACTIONBITS); Pitch = Pitch * ALBuffer->Frequency / Frequency; @@ -689,11 +693,14 @@ ALvoid CalcSourceParams(ALsource *ALSource, const ALCcontext *ALContext) ALSource->Params.Step = 1; } - ALSource->Params.DoMix = ((Device->Flags&DEVICE_USE_HRTF) ? - SelectHrtfMixer(ALBuffer, (ALSource->Params.Step==FRACTIONONE) ? - POINT_RESAMPLER : ALSource->Resampler) : - SelectMixer(ALBuffer, (ALSource->Params.Step==FRACTIONONE) ? - POINT_RESAMPLER : ALSource->Resampler)); + if((Device->Flags&DEVICE_USE_HRTF)) + ALSource->Params.DoMix = SelectHrtfMixer(ALBuffer, + (ALSource->Params.Step==FRACTIONONE) ? POINT_RESAMPLER : + Resampler); + else + ALSource->Params.DoMix = SelectMixer(ALBuffer, + (ALSource->Params.Step==FRACTIONONE) ? POINT_RESAMPLER : + Resampler); break; } BufferListItem = BufferListItem->next; |