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Don't keep selecting the mixer to use

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This commit is contained in:
Chris Robinson 2015-09-27 20:55:39 -07:00
parent 86ff35bf71
commit 3e60b18989
5 changed files with 34 additions and 36 deletions
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2
Alc/ALc.c
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@ -1022,7 +1022,7 @@ static void alc_initconfig(void)
WARN("Invalid resampler: %s\n", str);
}
}
aluInitResamplers();
aluInitMixer();
str = getenv("ALSOFT_TRAP_ERROR");
if(str && (strcasecmp(str, "true") == 0 || strtol(str, NULL, 0) == 1))

54
Alc/mixer.c
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@ -46,20 +46,9 @@ extern inline void InitiatePositionArrays(ALuint frac, ALuint increment, ALuint
alignas(16) ALfloat CubicLUT[FRACTIONONE][4];
void aluInitResamplers(void)
{
ALuint i;
for(i = 0;i < FRACTIONONE;i++)
{
ALfloat mu = (ALfloat)i / FRACTIONONE;
ALfloat mu2 = mu*mu, mu3 = mu*mu*mu;
CubicLUT[i][0] = -0.5f*mu3 + mu2 + -0.5f*mu;
CubicLUT[i][1] = 1.5f*mu3 + -2.5f*mu2 + 1.0f;
CubicLUT[i][2] = -1.5f*mu3 + 2.0f*mu2 + 0.5f*mu;
CubicLUT[i][3] = 0.5f*mu3 + -0.5f*mu2;
}
}
static HrtfMixerFunc MixHrtfSamples = MixHrtf_C;
static MixerFunc MixSamples = Mix_C;
static ResamplerFunc ResampleSamples = Resample_point32_C;
static inline HrtfMixerFunc SelectHrtfMixer(void)
{
@ -124,6 +113,25 @@ static inline ResamplerFunc SelectResampler(enum Resampler resampler)
}
void aluInitMixer(void)
{
ALuint i;
for(i = 0;i < FRACTIONONE;i++)
{
ALfloat mu = (ALfloat)i / FRACTIONONE;
ALfloat mu2 = mu*mu, mu3 = mu*mu*mu;
CubicLUT[i][0] = -0.5f*mu3 + mu2 + -0.5f*mu;
CubicLUT[i][1] = 1.5f*mu3 + -2.5f*mu2 + 1.0f;
CubicLUT[i][2] = -1.5f*mu3 + 2.0f*mu2 + 0.5f*mu;
CubicLUT[i][3] = 0.5f*mu3 + -0.5f*mu2;
}
MixHrtfSamples = SelectHrtfMixer();
MixSamples = SelectMixer();
ResampleSamples = SelectResampler(DefaultResampler);
}
static inline ALfloat Sample_ALbyte(ALbyte val)
{ return val * (1.0f/127.0f); }
@ -206,15 +214,12 @@ static const ALfloat *DoFilters(ALfilterState *lpfilter, ALfilterState *hpfilter
ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint SamplesToDo)
{
MixerFunc Mix;
HrtfMixerFunc HrtfMix;
ResamplerFunc Resample;
ALbufferlistitem *BufferListItem;
ALuint DataPosInt, DataPosFrac;
ALboolean isbformat = AL_FALSE;
ALboolean Looping;
ALuint increment;
enum Resampler Resampler;
ALenum State;
ALuint OutPos;
ALuint NumChannels;
@ -229,7 +234,6 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
DataPosInt = Source->position;
DataPosFrac = Source->position_fraction;
Looping = Source->Looping;
Resampler = Source->Resampler;
NumChannels = Source->NumChannels;
SampleSize = Source->SampleSize;
increment = voice->Step;
@ -249,15 +253,13 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
IrSize = (Device->Hrtf ? GetHrtfIrSize(Device->Hrtf) : 0);
Mix = SelectMixer();
HrtfMix = SelectHrtfMixer();
Resample = ((increment == FRACTIONONE && DataPosFrac == 0) ?
Resample_copy32_C : SelectResampler(Resampler));
Resample_copy32_C : ResampleSamples);
OutPos = 0;
do {
const ALuint BufferPrePadding = ResamplerPrePadding[Resampler];
const ALuint BufferPadding = ResamplerPadding[Resampler];
const ALuint BufferPrePadding = ResamplerPrePadding[DefaultResampler];
const ALuint BufferPadding = ResamplerPadding[DefaultResampler];
ALuint SrcBufferSize, DstBufferSize;
/* Figure out how many buffer samples will be needed */
@ -467,10 +469,10 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
parms->Filters[chan].ActiveType
);
if(!voice->IsHrtf)
Mix(samples, parms->OutChannels, parms->OutBuffer, parms->Gains[chan],
MixSamples(samples, parms->OutChannels, parms->OutBuffer, parms->Gains[chan],
parms->Counter, OutPos, DstBufferSize);
else
HrtfMix(parms->OutBuffer, samples, parms->Counter, voice->Offset,
MixHrtfSamples(parms->OutBuffer, samples, parms->Counter, voice->Offset,
OutPos, IrSize, &parms->Hrtf[chan].Params,
&parms->Hrtf[chan].State, DstBufferSize);
}
@ -492,7 +494,7 @@ ALvoid MixSource(ALvoice *voice, ALsource *Source, ALCdevice *Device, ALuint Sam
Device->FilteredData, ResampledData, DstBufferSize,
parms->Filters[chan].ActiveType
);
Mix(samples, 1, parms->OutBuffer, &parms->Gain,
MixSamples(samples, 1, parms->OutBuffer, &parms->Gain,
parms->Counter, OutPos, DstBufferSize);
}
}

2
OpenAL32/Include/alSource.h
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@ -77,8 +77,6 @@ typedef struct ALsource {
volatile ALfloat Radius;
enum Resampler Resampler;
/**
* Last user-specified offset, and the offset type (bytes, samples, or
* seconds).

2
OpenAL32/Include/alu.h
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@ -216,7 +216,7 @@ inline ALfloat cubic(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALu
}
void aluInitResamplers(void);
void aluInitMixer(void);
ALvoid aluInitPanning(ALCdevice *Device);

2
OpenAL32/alSource.c
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@ -2549,8 +2549,6 @@ static ALvoid InitSourceParams(ALsource *Source)
Source->DistanceModel = DefaultDistanceModel;
Source->Resampler = DefaultResampler;
Source->state = AL_INITIAL;
Source->new_state = AL_NONE;
Source->SourceType = AL_UNDETERMINED;