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Include any first-order scaling in the FOAOut coefficients

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This commit is contained in:
Chris Robinson 2016-03-25 23:25:13 -07:00
parent e23da7a1de
commit e0466766d7
7 changed files with 46 additions and 47 deletions
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2
Alc/ALc.c
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@ -2173,8 +2173,6 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
{
device->FOAOut.Buffer = device->Dry.Buffer;
device->FOAOut.NumChannels = device->Dry.NumChannels;
memcpy(device->FOAOut.AmbiCoeffs, device->Dry.AmbiCoeffs,
sizeof(device->FOAOut.AmbiCoeffs));
}
SetMixerFPUMode(&oldMode);

14
Alc/ALu.c
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@ -507,10 +507,8 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A
aluCrossproduct(N, V, U);
aluNormalize(U);
/* Build a rotate + conversion matrix (B-Format -> N3D), and include
* scaling for first-order content on second- or third-order output.
*/
scale = Device->Dry.AmbiScale * 1.732050808f;
/* Build a rotate + conversion matrix (B-Format -> N3D). */
scale = 1.732050808f;
aluMatrixfSet(&matrix,
1.414213562f, 0.0f, 0.0f, 0.0f,
0.0f, -N[0]*scale, N[1]*scale, -N[2]*scale,
@ -524,14 +522,6 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A
ComputeFirstOrderGains(Device->FOAOut.AmbiCoeffs, Device->FOAOut.NumChannels, matrix.m[c],
DryGain, voice->Direct.Gains[c].Target);
/* Rebuild the matrix, without the second- or third-order output
* scaling (effects take first-order content, and will do the scaling
* themselves when mixing to the output).
*/
scale = 1.732050808f;
aluMatrixfSetRow(&matrix, 1, 0.0f, -N[0]*scale, N[1]*scale, -N[2]*scale);
aluMatrixfSetRow(&matrix, 2, 0.0f, U[0]*scale, -U[1]*scale, U[2]*scale);
aluMatrixfSetRow(&matrix, 3, 0.0f, -V[0]*scale, V[1]*scale, -V[2]*scale);
for(i = 0;i < NumSends;i++)
{
if(!SendSlots[i])

10
Alc/effects/compressor.c
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@ -58,17 +58,15 @@ static ALboolean ALcompressorState_deviceUpdate(ALcompressorState *state, ALCdev
static ALvoid ALcompressorState_update(ALcompressorState *state, const ALCdevice *device, const ALeffectslot *slot)
{
aluMatrixf matrix;
ALfloat scale;
ALuint i;
state->Enabled = slot->EffectProps.Compressor.OnOff;
scale = device->Dry.AmbiScale;
aluMatrixfSet(&matrix,
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, scale, 0.0f, 0.0f,
0.0f, 0.0f, scale, 0.0f,
0.0f, 0.0f, 0.0f, scale
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
);
STATIC_CAST(ALeffectState,state)->OutBuffer = device->FOAOut.Buffer;

7
Alc/effects/equalizer.c
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@ -103,12 +103,11 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCdevice *
aluMatrixf matrix;
ALuint i;
gain = device->Dry.AmbiScale;
aluMatrixfSet(&matrix,
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, gain, 0.0f, 0.0f,
0.0f, 0.0f, gain, 0.0f,
0.0f, 0.0f, 0.0f, gain
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
);
STATIC_CAST(ALeffectState,state)->OutBuffer = device->FOAOut.Buffer;

11
Alc/effects/modulator.c
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@ -93,8 +93,8 @@ static ALboolean ALmodulatorState_deviceUpdate(ALmodulatorState *UNUSED(state),
static ALvoid ALmodulatorState_update(ALmodulatorState *state, const ALCdevice *Device, const ALeffectslot *Slot)
{
ALfloat scale, cw, a;
aluMatrixf matrix;
ALfloat cw, a;
ALuint i;
if(Slot->EffectProps.Modulator.Waveform == AL_RING_MODULATOR_SINUSOID)
@ -122,12 +122,11 @@ static ALvoid ALmodulatorState_update(ALmodulatorState *state, const ALCdevice *
state->Filter[i].process = ALfilterState_processC;
}
scale = Device->Dry.AmbiScale;
aluMatrixfSet(&matrix,
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, scale, 0.0f, 0.0f,
0.0f, 0.0f, scale, 0.0f,
0.0f, 0.0f, 0.0f, scale
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f
);
STATIC_CAST(ALeffectState,state)->OutBuffer = Device->FOAOut.Buffer;

47
Alc/panning.c
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@ -388,7 +388,7 @@ static bool LoadChannelSetup(ALCdevice *device)
ALfloat ambiscale = 1.0f;
const char *fname;
AmbDecConf conf;
size_t i;
ALuint i, j;
layout = GetChannelLayoutName(device->FmtChans);
if(!layout) return false;
@ -429,8 +429,8 @@ static bool LoadChannelSetup(ALCdevice *device)
for(i = 0;i < conf.NumSpeakers;i++)
{
ALuint chan = speakermap[i];
ALuint j, k = 0;
ALfloat gain;
ALuint k = 0;
for(j = 0;j < MAX_AMBI_COEFFS;j++)
chanmap[i].Config[j] = 0.0f;
@ -449,7 +449,14 @@ static bool LoadChannelSetup(ALCdevice *device)
SetChannelMap(device->Dry.ChannelName, device->Dry.AmbiCoeffs, chanmap, conf.NumSpeakers,
&device->Dry.NumChannels, AL_FALSE);
device->Dry.AmbiScale = ambiscale;
memset(device->FOAOut.AmbiCoeffs, 0, sizeof(device->FOAOut.AmbiCoeffs));
for(i = 0;i < device->Dry.NumChannels;i++)
{
device->FOAOut.AmbiCoeffs[i][0] = device->Dry.AmbiCoeffs[i][0];
for(j = 1;j < 4;j++)
device->FOAOut.AmbiCoeffs[i][j] = device->Dry.AmbiCoeffs[i][j] * ambiscale;
}
ambdec_deinit(&conf);
return true;
@ -522,11 +529,10 @@ ALvoid aluInitPanning(ALCdevice *device)
{ Aux3, { 0.0f, 0.0f, 0.0f, 1.0f } },
};
const ChannelMap *chanmap = NULL;
ALfloat ambiscale = 1.0f;
ALfloat ambiscale;
size_t count = 0;
ALuint i;
ALuint i, j;
device->Dry.AmbiScale = 1.0f;
memset(device->Dry.AmbiCoeffs, 0, sizeof(device->Dry.AmbiCoeffs));
device->Dry.NumChannels = 0;
@ -549,7 +555,6 @@ ALvoid aluInitPanning(ALCdevice *device)
count = COUNTOF(Cube8Cfg);
chanmap = Cube8Cfg;
ambiscale = FIRST_ORDER_SCALE;
for(i = 0;i < count;i++)
device->Dry.ChannelName[i] = chanmap[i].ChanName;
@ -557,7 +562,9 @@ ALvoid aluInitPanning(ALCdevice *device)
device->Dry.ChannelName[i] = InvalidChannel;
SetChannelMap(device->Dry.ChannelName, device->Dry.AmbiCoeffs, chanmap, count,
&device->Dry.NumChannels, AL_TRUE);
device->Dry.AmbiScale = ambiscale;
memcpy(device->FOAOut.AmbiCoeffs, device->Dry.AmbiCoeffs,
sizeof(device->FOAOut.AmbiCoeffs));
for(i = 0;i < device->Dry.NumChannels;i++)
{
@ -571,7 +578,6 @@ ALvoid aluInitPanning(ALCdevice *device)
{
count = COUNTOF(BFormat2D);
chanmap = BFormat2D;
ambiscale = FIRST_ORDER_SCALE;
for(i = 0;i < count;i++)
device->Dry.ChannelName[i] = chanmap[i].ChanName;
@ -579,7 +585,9 @@ ALvoid aluInitPanning(ALCdevice *device)
device->Dry.ChannelName[i] = InvalidChannel;
SetChannelMap(device->Dry.ChannelName, device->Dry.AmbiCoeffs, chanmap, count,
&device->Dry.NumChannels, AL_TRUE);
device->Dry.AmbiScale = ambiscale;
memcpy(device->FOAOut.AmbiCoeffs, device->Dry.AmbiCoeffs,
sizeof(device->FOAOut.AmbiCoeffs));
return;
}
@ -647,7 +655,6 @@ ALvoid aluInitPanning(ALCdevice *device)
count = (conf.ChanMask > 0xf) ? COUNTOF(Ambi2D) : 3;
chanmap = Ambi2D;
}
ambiscale = 1.0f;
for(i = 0;i < count;i++)
device->Dry.ChannelName[i] = chanmap[i].ChanName;
@ -655,7 +662,6 @@ ALvoid aluInitPanning(ALCdevice *device)
device->Dry.ChannelName[i] = InvalidChannel;
SetChannelMap(device->Dry.ChannelName, device->Dry.AmbiCoeffs, chanmap, count,
&device->Dry.NumChannels, AL_FALSE);
device->Dry.AmbiScale = ambiscale;
TRACE("Enabling %s-band %s-order ambisonic decoder\n",
(conf.FreqBands == 1) ? "single" : "dual",
@ -664,7 +670,10 @@ ALvoid aluInitPanning(ALCdevice *device)
bformatdec_reset(device->AmbiDecoder, &conf, count, device->Frequency, speakermap);
ambdec_deinit(&conf);
if(bformatdec_getOrder(device->AmbiDecoder) >= 2)
if(bformatdec_getOrder(device->AmbiDecoder) < 2)
memcpy(device->FOAOut.AmbiCoeffs, device->Dry.AmbiCoeffs,
sizeof(device->FOAOut.AmbiCoeffs));
else
{
memset(device->FOAOut.AmbiCoeffs, 0, sizeof(device->FOAOut.AmbiCoeffs));
device->FOAOut.AmbiCoeffs[0][0] = 1.0f;
@ -687,6 +696,7 @@ ALvoid aluInitPanning(ALCdevice *device)
if(LoadChannelSetup(device))
return;
ambiscale = 1.0f;
switch(device->FmtChans)
{
case DevFmtMono:
@ -734,13 +744,20 @@ ALvoid aluInitPanning(ALCdevice *device)
case DevFmtBFormat3D:
count = COUNTOF(BFormat3D);
chanmap = BFormat3D;
ambiscale = 1.0f;
ambiscale = FIRST_ORDER_SCALE;
break;
}
SetChannelMap(device->Dry.ChannelName, device->Dry.AmbiCoeffs, chanmap, count,
&device->Dry.NumChannels, AL_TRUE);
device->Dry.AmbiScale = ambiscale;
memset(device->FOAOut.AmbiCoeffs, 0, sizeof(device->FOAOut.AmbiCoeffs));
for(i = 0;i < device->Dry.NumChannels;i++)
{
device->FOAOut.AmbiCoeffs[i][0] = device->Dry.AmbiCoeffs[i][0];
for(j = 1;j < 4;j++)
device->FOAOut.AmbiCoeffs[i][j] = device->Dry.AmbiCoeffs[i][j] * ambiscale;
}
}
void aluInitEffectPanning(ALeffectslot *slot)

2
OpenAL32/Include/alMain.h
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@ -504,8 +504,6 @@ struct ALCdevice_struct
enum Channel ChannelName[MAX_OUTPUT_CHANNELS];
/* Ambisonic coefficients for mixing to the dry buffer. */
ChannelConfig AmbiCoeffs[MAX_OUTPUT_CHANNELS];
/* Scale for first-order XYZ inputs using AmbiCoeffs. */
ALfloat AmbiScale;
/* Dry buffer will be aliased by the virtual or real output. */
ALfloat (*Buffer)[BUFFERSIZE];