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authorChris Robinson <[email protected]>2014-09-10 17:53:01 -0700
committerChris Robinson <[email protected]>2014-09-10 17:53:01 -0700
commit4e66224d6c14cffa2d6108bd0845f2dc35baec89 (patch)
treea617c215c32692d62cc3220618fedce5cc148868 /Alc/panning.c
parent01adfde1994c5482305b5ce54ffd921988a84616 (diff)
Combine some fields into a struct
Diffstat (limited to 'Alc/panning.c')
-rw-r--r--Alc/panning.c233
1 files changed, 114 insertions, 119 deletions
diff --git a/Alc/panning.c b/Alc/panning.c
index dc283c58..a3f6d09a 100644
--- a/Alc/panning.c
+++ b/Alc/panning.c
@@ -33,15 +33,14 @@
extern inline void SetGains(const ALCdevice *device, ALfloat ingain, ALfloat gains[MaxChannels]);
-static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MaxChannels],
- enum Channel Speaker2Chan[MaxChannels], ALint chans)
+static void SetSpeakerArrangement(const char *name, ALCdevice *device)
{
char *confkey, *next;
char *layout_str;
char *sep, *end;
enum Channel val;
const char *str;
- int i;
+ ALuint i;
if(!ConfigValueStr(NULL, name, &str) && !ConfigValueStr(NULL, "layout", &str))
return;
@@ -98,13 +97,13 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MaxChan
while(isspace(*sep))
sep++;
- for(i = 0;i < chans;i++)
+ for(i = 0;i < device->NumSpeakers;i++)
{
- if(Speaker2Chan[i] == val)
+ if(device->Speaker[i].ChanName == val)
{
long angle = strtol(sep, NULL, 10);
if(angle >= -180 && angle <= 180)
- SpeakerAngle[i] = DEG2RAD(angle);
+ device->Speaker[i].Angle = DEG2RAD(angle);
else
ERR("Invalid angle for speaker \"%s\": %ld\n", confkey, angle);
break;
@@ -114,14 +113,14 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MaxChan
free(layout_str);
layout_str = NULL;
- for(i = 0;i < chans;i++)
+ for(i = 0;i < device->NumSpeakers;i++)
{
- int min = i;
- int i2;
+ ALuint min = i;
+ ALuint i2;
- for(i2 = i+1;i2 < chans;i2++)
+ for(i2 = i+1;i2 < device->NumSpeakers;i2++)
{
- if(SpeakerAngle[i2] < SpeakerAngle[min])
+ if(device->Speaker[i2].Angle < device->Speaker[min].Angle)
min = i2;
}
@@ -130,13 +129,13 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MaxChan
ALfloat tmpf;
enum Channel tmpc;
- tmpf = SpeakerAngle[i];
- SpeakerAngle[i] = SpeakerAngle[min];
- SpeakerAngle[min] = tmpf;
+ tmpf = device->Speaker[i].Angle;
+ device->Speaker[i].Angle = device->Speaker[min].Angle;
+ device->Speaker[min].Angle = tmpf;
- tmpc = Speaker2Chan[i];
- Speaker2Chan[i] = Speaker2Chan[min];
- Speaker2Chan[min] = tmpc;
+ tmpc = device->Speaker[i].ChanName;
+ device->Speaker[i].ChanName = device->Speaker[min].ChanName;
+ device->Speaker[min].ChanName = tmpc;
}
}
}
@@ -151,18 +150,18 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
ALfloat a;
ALuint i;
- for(i = 0;i < device->NumChan;i++)
- Speaker2Chan[i] = device->Speaker2Chan[i];
- for(i = 0;i < device->NumChan;i++)
- SpeakerAngle[i] = device->SpeakerAngle[i];
+ for(i = 0;i < device->NumSpeakers;i++)
+ Speaker2Chan[i] = device->Speaker[i].ChanName;
+ for(i = 0;i < device->NumSpeakers;i++)
+ SpeakerAngle[i] = device->Speaker[i].Angle;
/* Some easy special-cases first... */
- if(device->NumChan <= 1 || hwidth >= F_PI)
+ if(device->NumSpeakers <= 1 || hwidth >= F_PI)
{
/* Full coverage for all speakers. */
for(i = 0;i < MaxChannels;i++)
gains[i] = 0.0f;
- for(i = 0;i < device->NumChan;i++)
+ for(i = 0;i < device->NumSpeakers;i++)
{
enum Channel chan = Speaker2Chan[i];
gains[chan] = ingain;
@@ -174,7 +173,7 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
/* Infinitely small sound point. */
for(i = 0;i < MaxChannels;i++)
gains[i] = 0.0f;
- for(i = 0;i < device->NumChan-1;i++)
+ for(i = 0;i < device->NumSpeakers-1;i++)
{
if(angle >= SpeakerAngle[i] && angle < SpeakerAngle[i+1])
{
@@ -205,18 +204,18 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
{
ALuint done;
ALuint i = 0;
- while(i < device->NumChan && device->SpeakerAngle[i]-angle < -F_PI)
+ while(i < device->NumSpeakers && device->Speaker[i].Angle-angle < -F_PI)
i++;
- for(done = 0;i < device->NumChan;done++)
+ for(done = 0;i < device->NumSpeakers;done++)
{
- SpeakerAngle[done] = device->SpeakerAngle[i]-angle;
- Speaker2Chan[done] = device->Speaker2Chan[i];
+ SpeakerAngle[done] = device->Speaker[i].Angle-angle;
+ Speaker2Chan[done] = device->Speaker[i].ChanName;
i++;
}
- for(i = 0;done < device->NumChan;i++)
+ for(i = 0;done < device->NumSpeakers;i++)
{
- SpeakerAngle[done] = device->SpeakerAngle[i]-angle + F_2PI;
- Speaker2Chan[done] = device->Speaker2Chan[i];
+ SpeakerAngle[done] = device->Speaker[i].Angle-angle + F_2PI;
+ Speaker2Chan[done] = device->Speaker[i].ChanName;
done++;
}
}
@@ -227,19 +226,19 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
* they'll underflow and wrap to become 0xFFFFFFFF, which will
* break as expected. */
ALuint done;
- ALuint i = device->NumChan-1;
- while(i < device->NumChan && device->SpeakerAngle[i]-angle > F_PI)
+ ALuint i = device->NumSpeakers-1;
+ while(i < device->NumSpeakers && device->Speaker[i].Angle-angle > F_PI)
i--;
- for(done = device->NumChan-1;i < device->NumChan;done--)
+ for(done = device->NumSpeakers-1;i < device->NumSpeakers;done--)
{
- SpeakerAngle[done] = device->SpeakerAngle[i]-angle;
- Speaker2Chan[done] = device->Speaker2Chan[i];
+ SpeakerAngle[done] = device->Speaker[i].Angle-angle;
+ Speaker2Chan[done] = device->Speaker[i].ChanName;
i--;
}
- for(i = device->NumChan-1;done < device->NumChan;i--)
+ for(i = device->NumSpeakers-1;done < device->NumSpeakers;i--)
{
- SpeakerAngle[done] = device->SpeakerAngle[i]-angle - F_2PI;
- Speaker2Chan[done] = device->Speaker2Chan[i];
+ SpeakerAngle[done] = device->Speaker[i].Angle-angle - F_2PI;
+ Speaker2Chan[done] = device->Speaker[i].ChanName;
done--;
}
}
@@ -251,7 +250,7 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
/* First speaker */
i = 0;
do {
- ALuint last = device->NumChan-1;
+ ALuint last = device->NumSpeakers-1;
enum Channel chan = Speaker2Chan[i];
if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
@@ -280,7 +279,7 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
}
} while(0);
- for(i = 1;i < device->NumChan-1;i++)
+ for(i = 1;i < device->NumSpeakers-1;i++)
{
enum Channel chan = Speaker2Chan[i];
if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
@@ -304,7 +303,7 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
}
/* Last speaker */
- i = device->NumChan-1;
+ i = device->NumSpeakers-1;
do {
enum Channel chan = Speaker2Chan[i];
if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
@@ -332,119 +331,115 @@ void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, A
}
} while(0);
- for(i = 0;i < device->NumChan;i++)
+ for(i = 0;i < device->NumSpeakers;i++)
{
- enum Channel chan = device->Speaker2Chan[i];
+ enum Channel chan = device->Speaker[i].ChanName;
gains[chan] = sqrtf(tmpgains[chan]) * ingain;
}
}
-ALvoid aluInitPanning(ALCdevice *Device)
+ALvoid aluInitPanning(ALCdevice *device)
{
const char *layoutname = NULL;
- enum Channel *Speaker2Chan;
- ALfloat *SpeakerAngle;
- Speaker2Chan = Device->Speaker2Chan;
- SpeakerAngle = Device->SpeakerAngle;
- switch(Device->FmtChans)
+ switch(device->FmtChans)
{
case DevFmtMono:
- Device->NumChan = 1;
- Speaker2Chan[0] = FrontCenter;
- SpeakerAngle[0] = DEG2RAD(0.0f);
+ device->NumSpeakers = 1;
+ device->Speaker[0].ChanName = FrontCenter;
+ device->Speaker[0].Angle = DEG2RAD(0.0f);
layoutname = NULL;
break;
case DevFmtStereo:
- Device->NumChan = 2;
- Speaker2Chan[0] = FrontLeft;
- Speaker2Chan[1] = FrontRight;
- SpeakerAngle[0] = DEG2RAD(-90.0f);
- SpeakerAngle[1] = DEG2RAD( 90.0f);
+ device->NumSpeakers = 2;
+ device->Speaker[0].ChanName = FrontLeft;
+ device->Speaker[1].ChanName = FrontRight;
+ device->Speaker[0].Angle = DEG2RAD(-90.0f);
+ device->Speaker[1].Angle = DEG2RAD( 90.0f);
layoutname = "layout_stereo";
break;
case DevFmtQuad:
- Device->NumChan = 4;
- Speaker2Chan[0] = BackLeft;
- Speaker2Chan[1] = FrontLeft;
- Speaker2Chan[2] = FrontRight;
- Speaker2Chan[3] = BackRight;
- SpeakerAngle[0] = DEG2RAD(-135.0f);
- SpeakerAngle[1] = DEG2RAD( -45.0f);
- SpeakerAngle[2] = DEG2RAD( 45.0f);
- SpeakerAngle[3] = DEG2RAD( 135.0f);
+ device->NumSpeakers = 4;
+ device->Speaker[0].ChanName = BackLeft;
+ device->Speaker[1].ChanName = FrontLeft;
+ device->Speaker[2].ChanName = FrontRight;
+ device->Speaker[3].ChanName = BackRight;
+ device->Speaker[0].Angle = DEG2RAD(-135.0f);
+ device->Speaker[1].Angle = DEG2RAD( -45.0f);
+ device->Speaker[2].Angle = DEG2RAD( 45.0f);
+ device->Speaker[3].Angle = DEG2RAD( 135.0f);
layoutname = "layout_quad";
break;
case DevFmtX51:
- Device->NumChan = 5;
- Speaker2Chan[0] = BackLeft;
- Speaker2Chan[1] = FrontLeft;
- Speaker2Chan[2] = FrontCenter;
- Speaker2Chan[3] = FrontRight;
- Speaker2Chan[4] = BackRight;
- SpeakerAngle[0] = DEG2RAD(-110.0f);
- SpeakerAngle[1] = DEG2RAD( -30.0f);
- SpeakerAngle[2] = DEG2RAD( 0.0f);
- SpeakerAngle[3] = DEG2RAD( 30.0f);
- SpeakerAngle[4] = DEG2RAD( 110.0f);
+ device->NumSpeakers = 5;
+ device->Speaker[0].ChanName = BackLeft;
+ device->Speaker[1].ChanName = FrontLeft;
+ device->Speaker[2].ChanName = FrontCenter;
+ device->Speaker[3].ChanName = FrontRight;
+ device->Speaker[4].ChanName = BackRight;
+ device->Speaker[0].Angle = DEG2RAD(-110.0f);
+ device->Speaker[1].Angle = DEG2RAD( -30.0f);
+ device->Speaker[2].Angle = DEG2RAD( 0.0f);
+ device->Speaker[3].Angle = DEG2RAD( 30.0f);
+ device->Speaker[4].Angle = DEG2RAD( 110.0f);
layoutname = "layout_surround51";
break;
case DevFmtX51Side:
- Device->NumChan = 5;
- Speaker2Chan[0] = SideLeft;
- Speaker2Chan[1] = FrontLeft;
- Speaker2Chan[2] = FrontCenter;
- Speaker2Chan[3] = FrontRight;
- Speaker2Chan[4] = SideRight;
- SpeakerAngle[0] = DEG2RAD(-90.0f);
- SpeakerAngle[1] = DEG2RAD(-30.0f);
- SpeakerAngle[2] = DEG2RAD( 0.0f);
- SpeakerAngle[3] = DEG2RAD( 30.0f);
- SpeakerAngle[4] = DEG2RAD( 90.0f);
+ device->NumSpeakers = 5;
+ device->Speaker[0].ChanName = SideLeft;
+ device->Speaker[1].ChanName = FrontLeft;
+ device->Speaker[2].ChanName = FrontCenter;
+ device->Speaker[3].ChanName = FrontRight;
+ device->Speaker[4].ChanName = SideRight;
+ device->Speaker[0].Angle = DEG2RAD(-90.0f);
+ device->Speaker[1].Angle = DEG2RAD(-30.0f);
+ device->Speaker[2].Angle = DEG2RAD( 0.0f);
+ device->Speaker[3].Angle = DEG2RAD( 30.0f);
+ device->Speaker[4].Angle = DEG2RAD( 90.0f);
layoutname = "layout_side51";
break;
case DevFmtX61:
- Device->NumChan = 6;
- Speaker2Chan[0] = SideLeft;
- Speaker2Chan[1] = FrontLeft;
- Speaker2Chan[2] = FrontCenter;
- Speaker2Chan[3] = FrontRight;
- Speaker2Chan[4] = SideRight;
- Speaker2Chan[5] = BackCenter;
- SpeakerAngle[0] = DEG2RAD(-90.0f);
- SpeakerAngle[1] = DEG2RAD(-30.0f);
- SpeakerAngle[2] = DEG2RAD( 0.0f);
- SpeakerAngle[3] = DEG2RAD( 30.0f);
- SpeakerAngle[4] = DEG2RAD( 90.0f);
- SpeakerAngle[5] = DEG2RAD(180.0f);
+ device->NumSpeakers = 6;
+ device->Speaker[0].ChanName = SideLeft;
+ device->Speaker[1].ChanName = FrontLeft;
+ device->Speaker[2].ChanName = FrontCenter;
+ device->Speaker[3].ChanName = FrontRight;
+ device->Speaker[4].ChanName = SideRight;
+ device->Speaker[5].ChanName = BackCenter;
+ device->Speaker[0].Angle = DEG2RAD(-90.0f);
+ device->Speaker[1].Angle = DEG2RAD(-30.0f);
+ device->Speaker[2].Angle = DEG2RAD( 0.0f);
+ device->Speaker[3].Angle = DEG2RAD( 30.0f);
+ device->Speaker[4].Angle = DEG2RAD( 90.0f);
+ device->Speaker[5].Angle = DEG2RAD(180.0f);
layoutname = "layout_surround61";
break;
case DevFmtX71:
- Device->NumChan = 7;
- Speaker2Chan[0] = BackLeft;
- Speaker2Chan[1] = SideLeft;
- Speaker2Chan[2] = FrontLeft;
- Speaker2Chan[3] = FrontCenter;
- Speaker2Chan[4] = FrontRight;
- Speaker2Chan[5] = SideRight;
- Speaker2Chan[6] = BackRight;
- SpeakerAngle[0] = DEG2RAD(-150.0f);
- SpeakerAngle[1] = DEG2RAD( -90.0f);
- SpeakerAngle[2] = DEG2RAD( -30.0f);
- SpeakerAngle[3] = DEG2RAD( 0.0f);
- SpeakerAngle[4] = DEG2RAD( 30.0f);
- SpeakerAngle[5] = DEG2RAD( 90.0f);
- SpeakerAngle[6] = DEG2RAD( 150.0f);
+ device->NumSpeakers = 7;
+ device->Speaker[0].ChanName = BackLeft;
+ device->Speaker[1].ChanName = SideLeft;
+ device->Speaker[2].ChanName = FrontLeft;
+ device->Speaker[3].ChanName = FrontCenter;
+ device->Speaker[4].ChanName = FrontRight;
+ device->Speaker[5].ChanName = SideRight;
+ device->Speaker[6].ChanName = BackRight;
+ device->Speaker[0].Angle = DEG2RAD(-150.0f);
+ device->Speaker[1].Angle = DEG2RAD( -90.0f);
+ device->Speaker[2].Angle = DEG2RAD( -30.0f);
+ device->Speaker[3].Angle = DEG2RAD( 0.0f);
+ device->Speaker[4].Angle = DEG2RAD( 30.0f);
+ device->Speaker[5].Angle = DEG2RAD( 90.0f);
+ device->Speaker[6].Angle = DEG2RAD( 150.0f);
layoutname = "layout_surround71";
break;
}
- if(layoutname && Device->Type != Loopback)
- SetSpeakerArrangement(layoutname, SpeakerAngle, Speaker2Chan, Device->NumChan);
+ if(layoutname && device->Type != Loopback)
+ SetSpeakerArrangement(layoutname, device);
}