400 lines
19 KiB
C
400 lines
19 KiB
C
/**
|
|
* OpenAL cross platform audio library
|
|
* Copyright (C) 1999-2010 by authors.
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* Or go to http://www.gnu.org/copyleft/lgpl.html
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <assert.h>
|
|
|
|
#include "alMain.h"
|
|
#include "AL/al.h"
|
|
#include "AL/alc.h"
|
|
#include "alu.h"
|
|
#include "bool.h"
|
|
|
|
|
|
void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat elevation, ALfloat ingain, ALfloat gains[MAX_OUTPUT_CHANNELS])
|
|
{
|
|
ALfloat dir[3] = {
|
|
sinf(angle) * cosf(elevation),
|
|
sinf(elevation),
|
|
-cosf(angle) * cosf(elevation)
|
|
};
|
|
ComputeDirectionalGains(device, dir, ingain, gains);
|
|
}
|
|
|
|
void ComputeDirectionalGains(const ALCdevice *device, const ALfloat dir[3], ALfloat ingain, ALfloat gains[MAX_OUTPUT_CHANNELS])
|
|
{
|
|
ALfloat coeffs[MAX_AMBI_COEFFS];
|
|
ALuint i, j;
|
|
/* Convert from OpenAL coords to Ambisonics. */
|
|
ALfloat x = -dir[2];
|
|
ALfloat y = -dir[0];
|
|
ALfloat z = dir[1];
|
|
|
|
coeffs[0] = 0.7071f; /* sqrt(1.0 / 2.0) */
|
|
coeffs[1] = x; /* X */
|
|
coeffs[2] = y; /* Y */
|
|
coeffs[3] = z; /* Z */
|
|
coeffs[4] = 0.5f * (3.0f*z*z - 1.0f); /* 0.5 * (3*Z*Z - 1) */
|
|
coeffs[5] = 2.0f * z * x; /* 2*Z*X */
|
|
coeffs[6] = 2.0f * y * z; /* 2*Y*Z */
|
|
coeffs[7] = x*x - y*y; /* X*X - Y*Y */
|
|
coeffs[8] = 2.0f * x * y; /* 2*X*Y */
|
|
coeffs[9] = 0.5f * z * (5.0f*z*z - 3.0f); /* 0.5 * Z * (5*Z*Z - 3) */
|
|
coeffs[10] = 0.7262f * x * (5.0f*z*z - 1.0f); /* sqrt(135.0 / 256.0) * X * (5*Z*Z - 1) */
|
|
coeffs[11] = 0.7262f * y * (5.0f*z*z - 1.0f); /* sqrt(135.0 / 256.0) * Y * (5*Z*Z - 1) */
|
|
coeffs[12] = 2.5981f * z * (x*x - y*y); /* sqrt(27.0 / 4.0) * Z * (X*X - Y*Y) */
|
|
coeffs[13] = 5.1962f * x * y * z; /* sqrt(27) * X * Y * Z */
|
|
coeffs[14] = x * (x*x - 3.0f*y*y); /* X * (X*X - 3*Y*Y) */
|
|
coeffs[15] = y * (3.0f*x*x - y*y); /* Y * (3*X*X - Y*Y) */
|
|
|
|
for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
|
|
gains[i] = 0.0f;
|
|
for(i = 0;i < device->NumChannels;i++)
|
|
{
|
|
for(j = 0;j < MAX_AMBI_COEFFS;j++)
|
|
gains[i] += device->Channel[i].HOACoeff[j]*coeffs[j];
|
|
gains[i] = maxf(gains[i], 0.0f) * ingain;
|
|
}
|
|
}
|
|
|
|
void ComputeAmbientGains(const ALCdevice *device, ALfloat ingain, ALfloat gains[MAX_OUTPUT_CHANNELS])
|
|
{
|
|
ALuint i;
|
|
|
|
for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
|
|
gains[i] = 0.0f;
|
|
for(i = 0;i < device->NumChannels;i++)
|
|
gains[i] = device->Channel[i].HOACoeff[0] * ingain;
|
|
}
|
|
|
|
void ComputeBFormatGains(const ALCdevice *device, const ALfloat mtx[4], ALfloat ingain, ALfloat gains[MAX_OUTPUT_CHANNELS])
|
|
{
|
|
ALuint i, j;
|
|
|
|
for(i = 0;i < MAX_OUTPUT_CHANNELS;i++)
|
|
gains[i] = 0.0f;
|
|
for(i = 0;i < device->NumChannels;i++)
|
|
{
|
|
for(j = 0;j < 4;j++)
|
|
gains[i] += device->Channel[i].FOACoeff[j] * mtx[j];
|
|
gains[i] *= ingain;
|
|
}
|
|
}
|
|
|
|
|
|
typedef struct ChannelMap {
|
|
enum Channel ChanName;
|
|
ChannelConfig Config;
|
|
} ChannelMap;
|
|
|
|
static bool LoadChannelSetup(ALCdevice *device)
|
|
{
|
|
static const char *mono_names[1] = {
|
|
"front-center"
|
|
}, *stereo_names[2] = {
|
|
"front-left", "front-right"
|
|
}, *quad_names[4] = {
|
|
"front-left", "front-right",
|
|
"back-left", "back-right"
|
|
}, *surround51_names[6] = {
|
|
"front-left", "front-right",
|
|
"front-center", "lfe",
|
|
"side-left", "side-right"
|
|
}, *surround51rear_names[6] = {
|
|
"front-left", "front-right",
|
|
"front-center", "lfe",
|
|
"back-left", "back-right"
|
|
}, *surround61_names[7] = {
|
|
"front-left", "front-right",
|
|
"front-center", "lfe", "back-center",
|
|
"side-left", "side-right"
|
|
}, *surround71_names[8] = {
|
|
"front-left", "front-right",
|
|
"front-center", "lfe",
|
|
"back-left", "back-right",
|
|
"side-left", "side-right"
|
|
};
|
|
ChannelMap chanmap[MAX_OUTPUT_CHANNELS] = {};
|
|
const char **channames = NULL;
|
|
const char *layout = NULL;
|
|
size_t count = 0;
|
|
size_t i;
|
|
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono:
|
|
channames = mono_names;
|
|
layout = "mono";
|
|
count = 1;
|
|
break;
|
|
case DevFmtStereo:
|
|
channames = stereo_names;
|
|
layout = "stereo";
|
|
count = 2;
|
|
break;
|
|
case DevFmtQuad:
|
|
channames = quad_names;
|
|
layout = "quad";
|
|
count = 4;
|
|
break;
|
|
case DevFmtX51:
|
|
channames = surround51_names;
|
|
layout = "surround51";
|
|
count = 6;
|
|
break;
|
|
case DevFmtX51Rear:
|
|
channames = surround51rear_names;
|
|
layout = "surround51rear";
|
|
count = 6;
|
|
break;
|
|
case DevFmtX61:
|
|
channames = surround61_names;
|
|
layout = "surround61";
|
|
count = 7;
|
|
break;
|
|
case DevFmtX71:
|
|
channames = surround71_names;
|
|
layout = "surround71";
|
|
count = 8;
|
|
break;
|
|
}
|
|
|
|
if(!layout)
|
|
return false;
|
|
else
|
|
{
|
|
char name[32];
|
|
snprintf(name, sizeof(name), "%s/enable", layout);
|
|
if(!GetConfigValueBool("layouts", name, 0))
|
|
return false;
|
|
}
|
|
|
|
for(i = 0;i < count;i++)
|
|
{
|
|
const char *channame = channames[i];
|
|
char chanlayout[32];
|
|
const char *value;
|
|
int props;
|
|
size_t j;
|
|
|
|
snprintf(chanlayout, sizeof(chanlayout), "%s/%s", layout, channame);
|
|
if(!ConfigValueStr("layouts", chanlayout, &value))
|
|
{
|
|
ERR("Missing channel %s\n", channame);
|
|
return false;
|
|
}
|
|
props = sscanf(value, " %f %f ; %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f ; %f %f %f %f",
|
|
&chanmap[i].Config.Angle, &chanmap[i].Config.Elevation,
|
|
&chanmap[i].Config.HOACoeff[0], &chanmap[i].Config.HOACoeff[1], &chanmap[i].Config.HOACoeff[2],
|
|
&chanmap[i].Config.HOACoeff[3], &chanmap[i].Config.HOACoeff[4], &chanmap[i].Config.HOACoeff[5],
|
|
&chanmap[i].Config.HOACoeff[6], &chanmap[i].Config.HOACoeff[7], &chanmap[i].Config.HOACoeff[8],
|
|
&chanmap[i].Config.HOACoeff[9], &chanmap[i].Config.HOACoeff[10], &chanmap[i].Config.HOACoeff[11],
|
|
&chanmap[i].Config.HOACoeff[12], &chanmap[i].Config.HOACoeff[13], &chanmap[i].Config.HOACoeff[14],
|
|
&chanmap[i].Config.HOACoeff[15], &chanmap[i].Config.FOACoeff[0], &chanmap[i].Config.FOACoeff[1],
|
|
&chanmap[i].Config.FOACoeff[2], &chanmap[i].Config.FOACoeff[3]);
|
|
if(props == 0)
|
|
{
|
|
ERR("Failed to parse channel "SZFMT" properties\n", i);
|
|
return false;
|
|
}
|
|
|
|
if(strcmp(channame, "front-left") == 0)
|
|
chanmap[i].ChanName = FrontLeft;
|
|
else if(strcmp(channame, "front-right") == 0)
|
|
chanmap[i].ChanName = FrontRight;
|
|
else if(strcmp(channame, "front-center") == 0)
|
|
chanmap[i].ChanName = FrontCenter;
|
|
else if(strcmp(channame, "lfe") == 0)
|
|
chanmap[i].ChanName = LFE;
|
|
else if(strcmp(channame, "back-left") == 0)
|
|
chanmap[i].ChanName = BackLeft;
|
|
else if(strcmp(channame, "back-right") == 0)
|
|
chanmap[i].ChanName = BackRight;
|
|
else if(strcmp(channame, "back-center") == 0)
|
|
chanmap[i].ChanName = BackCenter;
|
|
else if(strcmp(channame, "side-left") == 0)
|
|
chanmap[i].ChanName = SideLeft;
|
|
else if(strcmp(channame, "side-right") == 0)
|
|
chanmap[i].ChanName = SideRight;
|
|
|
|
if(chanmap[i].ChanName == LFE && props < 22)
|
|
{
|
|
if(props > 1 || chanmap[i].Config.Angle != 0.0f)
|
|
WARN("Unexpected elements for LFE channel\n");
|
|
chanmap[i].Config.Angle = 0.0f;
|
|
chanmap[i].Config.Elevation = 0.0f;
|
|
for(j = 0;j < MAX_AMBI_COEFFS;j++)
|
|
chanmap[i].Config.HOACoeff[j] = 0.0f;
|
|
for(j = 0;j < 4;j++)
|
|
chanmap[i].Config.FOACoeff[j] = 0.0f;
|
|
}
|
|
else if(props < 22)
|
|
{
|
|
ERR("Failed to parse channel %s elements (expected 22, got %d\n", channame, props);
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
if(!(chanmap[i].Config.Angle >= -180.0f && chanmap[i].Config.Angle <= 180.0f))
|
|
{
|
|
ERR("Channel %s angle is out of range (%f not within -180...+180 degrees)\n", channame, chanmap[i].Config.Angle);
|
|
return false;
|
|
}
|
|
chanmap[i].Config.Angle = DEG2RAD(chanmap[i].Config.Angle);
|
|
|
|
if(!(chanmap[i].Config.Elevation >= -180.0f && chanmap[i].Config.Elevation <= 180.0f))
|
|
{
|
|
ERR("Channel %s elevation is out of range (%f not within -180...+180 degrees)\n", channame, chanmap[i].Config.Angle);
|
|
return false;
|
|
}
|
|
chanmap[i].Config.Elevation = DEG2RAD(chanmap[i].Config.Elevation);
|
|
}
|
|
}
|
|
|
|
for(i = 0;i < MAX_OUTPUT_CHANNELS && device->ChannelName[i] != InvalidChannel;i++)
|
|
{
|
|
size_t j;
|
|
for(j = 0;j < count;j++)
|
|
{
|
|
if(device->ChannelName[i] == chanmap[j].ChanName)
|
|
{
|
|
device->Channel[i] = chanmap[j].Config;
|
|
break;
|
|
}
|
|
}
|
|
if(j == count)
|
|
ERR("Failed to match channel "SZFMT" (label %d) in config\n", i, device->ChannelName[i]);
|
|
}
|
|
device->NumChannels = i;
|
|
return true;
|
|
}
|
|
|
|
ALvoid aluInitPanning(ALCdevice *device)
|
|
{
|
|
static const ChannelMap MonoCfg[1] = {
|
|
{ FrontCenter, { DEG2RAD(0.0f), DEG2RAD(0.0f), { 1.4142f }, { 1.4142f } } },
|
|
}, StereoCfg[2] = {
|
|
{ FrontLeft, { DEG2RAD(-90.0f), DEG2RAD(0.0f), { 0.7071f, 0.0f, 0.5f, 0.0f }, { 0.7071f, 0.0f, 0.5f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 90.0f), DEG2RAD(0.0f), { 0.7071f, 0.0f, -0.5f, 0.0f }, { 0.7071f, 0.0f, -0.5f, 0.0f } } },
|
|
}, QuadCfg[4] = {
|
|
{ FrontLeft, { DEG2RAD( -45.0f), DEG2RAD(0.0f), { 0.353558f, 0.306181f, 0.306192f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, 0.117183f }, { 0.353553f, 0.250000f, 0.250000f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 45.0f), DEG2RAD(0.0f), { 0.353543f, 0.306181f, -0.306192f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, -0.117193f }, { 0.353553f, 0.250000f, -0.250000f, 0.0f } } },
|
|
{ BackLeft, { DEG2RAD(-135.0f), DEG2RAD(0.0f), { 0.353543f, -0.306192f, 0.306181f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, -0.117193f }, { 0.353553f, -0.250000f, 0.250000f, 0.0f } } },
|
|
{ BackRight, { DEG2RAD( 135.0f), DEG2RAD(0.0f), { 0.353558f, -0.306192f, -0.306181f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, 0.117183f }, { 0.353553f, -0.250000f, -0.250000f, 0.0f } } },
|
|
}, X51SideCfg[6] = {
|
|
{ FrontLeft, { DEG2RAD( -30.0f), DEG2RAD(0.0f), { 0.208954f, 0.212846f, 0.238350f, 0.0f, 0.0f, 0.0f, 0.0f, -0.017738f, 0.204014f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.051023f, 0.047490f }, { 0.208954f, 0.162905f, 0.182425f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 30.0f), DEG2RAD(0.0f), { 0.208954f, 0.212846f, -0.238350f, 0.0f, 0.0f, 0.0f, 0.0f, -0.017738f, -0.204014f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.051023f, -0.047490f }, { 0.208954f, 0.162905f, -0.182425f, 0.0f } } },
|
|
{ FrontCenter, { DEG2RAD( 0.0f), DEG2RAD(0.0f), { 0.109403f, 0.179490f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.142031f, -0.000002f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.072024f, -0.000001f }, { 0.109403f, 0.137375f, 0.000000f, 0.0f } } },
|
|
{ LFE, { 0.0f, 0.0f, { 0.0f }, { 0.0f } } },
|
|
{ SideLeft, { DEG2RAD(-110.0f), DEG2RAD(0.0f), { 0.470936f, -0.369626f, 0.349386f, 0.0f, 0.0f, 0.0f, 0.0f, -0.031375f, -0.058144f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.007119f, -0.043968f }, { 0.470934f, -0.282903f, 0.267406f, 0.0f } } },
|
|
{ SideRight, { DEG2RAD( 110.0f), DEG2RAD(0.0f), { 0.470936f, -0.369626f, -0.349386f, 0.0f, 0.0f, 0.0f, 0.0f, -0.031375f, 0.058144f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.007119f, 0.043968f }, { 0.470934f, -0.282903f, -0.267406f, 0.0f } } },
|
|
}, X51RearCfg[6] = {
|
|
{ FrontLeft, { DEG2RAD( -30.0f), DEG2RAD(0.0f), { 0.208954f, 0.212846f, 0.238350f, 0.0f, 0.0f, 0.0f, 0.0f, -0.017738f, 0.204014f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.051023f, 0.047490f }, { 0.208954f, 0.162905f, 0.182425f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 30.0f), DEG2RAD(0.0f), { 0.208954f, 0.212846f, -0.238350f, 0.0f, 0.0f, 0.0f, 0.0f, -0.017738f, -0.204014f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.051023f, -0.047490f }, { 0.208954f, 0.162905f, -0.182425f, 0.0f } } },
|
|
{ FrontCenter, { DEG2RAD( 0.0f), DEG2RAD(0.0f), { 0.109403f, 0.179490f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.142031f, -0.000002f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.072024f, -0.000001f }, { 0.109403f, 0.137375f, 0.000000f, 0.0f } } },
|
|
{ LFE, { 0.0f, 0.0f, { 0.0f }, { 0.0f } } },
|
|
{ BackLeft, { DEG2RAD(-110.0f), DEG2RAD(0.0f), { 0.470936f, -0.369626f, 0.349386f, 0.0f, 0.0f, 0.0f, 0.0f, -0.031375f, -0.058144f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.007119f, -0.043968f }, { 0.470934f, -0.282903f, 0.267406f, 0.0f } } },
|
|
{ BackRight, { DEG2RAD( 110.0f), DEG2RAD(0.0f), { 0.470936f, -0.369626f, -0.349386f, 0.0f, 0.0f, 0.0f, 0.0f, -0.031375f, 0.058144f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.007119f, 0.043968f }, { 0.470934f, -0.282903f, -0.267406f, 0.0f } } },
|
|
}, X61Cfg[7] = {
|
|
{ FrontLeft, { DEG2RAD(-30.0f), DEG2RAD(0.0f), { 0.167065f, 0.200583f, 0.172695f, 0.0f, 0.0f, 0.0f, 0.0f, 0.029855f, 0.186407f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.039241f, 0.068910f }, { 0.167065f, 0.153519f, 0.132175f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 30.0f), DEG2RAD(0.0f), { 0.167065f, 0.200583f, -0.172695f, 0.0f, 0.0f, 0.0f, 0.0f, 0.029855f, -0.186407f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.039241f, -0.068910f }, { 0.167065f, 0.153519f, -0.132175f, 0.0f } } },
|
|
{ FrontCenter, { DEG2RAD( 0.0f), DEG2RAD(0.0f), { 0.109403f, 0.179490f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.142031f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.072024f, -0.000001f }, { 0.109403f, 0.137375f, 0.000000f, 0.0f } } },
|
|
{ LFE, { 0.0f, 0.0f, { 0.0f }, { 0.0f } } },
|
|
{ BackCenter, { DEG2RAD(180.0f), DEG2RAD(0.0f), { 0.353556f, -0.461940f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.165723f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, 0.000005f }, { 0.353556f, -0.353554f, 0.000000f, 0.0f } } },
|
|
{ SideLeft, { DEG2RAD(-90.0f), DEG2RAD(0.0f), { 0.289151f, -0.081301f, 0.401292f, 0.0f, 0.0f, 0.0f, 0.0f, -0.188208f, -0.071420f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.010099f, -0.032897f }, { 0.289151f, -0.062225f, 0.307136f, 0.0f } } },
|
|
{ SideRight, { DEG2RAD( 90.0f), DEG2RAD(0.0f), { 0.289151f, -0.081301f, -0.401292f, 0.0f, 0.0f, 0.0f, 0.0f, -0.188208f, 0.071420f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.010099f, 0.032897f }, { 0.289151f, -0.062225f, -0.307136f, 0.0f } } },
|
|
}, X71Cfg[8] = {
|
|
{ FrontLeft, { DEG2RAD( -30.0f), DEG2RAD(0.0f), { 0.167065f, 0.200583f, 0.172695f, 0.0f, 0.0f, 0.0f, 0.0f, 0.029855f, 0.186407f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.039241f, 0.068910f }, { 0.167065f, 0.153519f, 0.132175f, 0.0f } } },
|
|
{ FrontRight, { DEG2RAD( 30.0f), DEG2RAD(0.0f), { 0.167065f, 0.200583f, -0.172695f, 0.0f, 0.0f, 0.0f, 0.0f, 0.029855f, -0.186407f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -0.039241f, -0.068910f }, { 0.167065f, 0.153519f, -0.132175f, 0.0f } } },
|
|
{ FrontCenter, { DEG2RAD( 0.0f), DEG2RAD(0.0f), { 0.109403f, 0.179490f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.142031f, 0.000000f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.072024f, 0.000000f }, { 0.109403f, 0.137375f, 0.000000f, 0.0f } } },
|
|
{ LFE, { 0.0f, 0.0f, { 0.0f }, { 0.0f } } },
|
|
{ BackLeft, { DEG2RAD(-150.0f), DEG2RAD(0.0f), { 0.224752f, -0.295009f, 0.170325f, 0.0f, 0.0f, 0.0f, 0.0f, 0.105349f, -0.182473f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, 0.065799f }, { 0.224752f, -0.225790f, 0.130361f, 0.0f } } },
|
|
{ BackRight, { DEG2RAD( 150.0f), DEG2RAD(0.0f), { 0.224752f, -0.295009f, -0.170325f, 0.0f, 0.0f, 0.0f, 0.0f, 0.105349f, 0.182473f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, -0.065799f }, { 0.224752f, -0.225790f, -0.130361f, 0.0f } } },
|
|
{ SideLeft, { DEG2RAD( -90.0f), DEG2RAD(0.0f), { 0.224739f, 0.000002f, 0.340644f, 0.0f, 0.0f, 0.0f, 0.0f, -0.210697f, 0.000002f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, -0.065795f }, { 0.224739f, 0.000000f, 0.260717f, 0.0f } } },
|
|
{ SideRight, { DEG2RAD( 90.0f), DEG2RAD(0.0f), { 0.224739f, 0.000002f, -0.340644f, 0.0f, 0.0f, 0.0f, 0.0f, -0.210697f, -0.000002f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.000000f, 0.065795f }, { 0.224739f, 0.000000f, -0.260717f, 0.0f } } },
|
|
};
|
|
const ChannelMap *chanmap = NULL;
|
|
size_t count = 0;
|
|
ALuint i, j;
|
|
|
|
memset(device->Channel, 0, sizeof(device->Channel));
|
|
device->NumChannels = 0;
|
|
|
|
if(LoadChannelSetup(device))
|
|
return;
|
|
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono:
|
|
count = COUNTOF(MonoCfg);
|
|
chanmap = MonoCfg;
|
|
break;
|
|
|
|
case DevFmtStereo:
|
|
count = COUNTOF(StereoCfg);
|
|
chanmap = StereoCfg;
|
|
break;
|
|
|
|
case DevFmtQuad:
|
|
count = COUNTOF(QuadCfg);
|
|
chanmap = QuadCfg;
|
|
break;
|
|
|
|
case DevFmtX51:
|
|
count = COUNTOF(X51SideCfg);
|
|
chanmap = X51SideCfg;
|
|
break;
|
|
|
|
case DevFmtX51Rear:
|
|
count = COUNTOF(X51RearCfg);
|
|
chanmap = X51RearCfg;
|
|
break;
|
|
|
|
case DevFmtX61:
|
|
count = COUNTOF(X61Cfg);
|
|
chanmap = X61Cfg;
|
|
break;
|
|
|
|
case DevFmtX71:
|
|
count = COUNTOF(X71Cfg);
|
|
chanmap = X71Cfg;
|
|
break;
|
|
}
|
|
for(i = 0;i < MAX_OUTPUT_CHANNELS && device->ChannelName[i] != InvalidChannel;i++)
|
|
{
|
|
for(j = 0;j < count;j++)
|
|
{
|
|
if(device->ChannelName[i] == chanmap[j].ChanName)
|
|
{
|
|
device->Channel[i] = chanmap[j].Config;
|
|
break;
|
|
}
|
|
}
|
|
if(j == count)
|
|
ERR("Failed to match channel %u (label %d) in config\n", i, device->ChannelName[i]);
|
|
}
|
|
device->NumChannels = i;
|
|
}
|