mirror of
https://github.com/love2d/love-android.git
synced 2026-08-20 20:51:22 +02:00
Updated openal-soft to version 1.15.1
This commit is contained in:
fysx
@@ -31,8 +31,10 @@
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#include "AL/alc.h"
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#include "alu.h"
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static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MAXCHANNELS],
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enum Channel Speaker2Chan[MAXCHANNELS], ALint chans)
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extern inline void SetGains(const ALCdevice *device, ALfloat ingain, ALfloat gains[MaxChannels]);
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static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MaxChannels],
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enum Channel Speaker2Chan[MaxChannels], ALint chans)
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{
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char *confkey, *next;
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char *layout_str;
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@@ -71,21 +73,21 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MAXCHAN
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*(++end) = 0;
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if(strcmp(confkey, "fl") == 0 || strcmp(confkey, "front-left") == 0)
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val = FRONT_LEFT;
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val = FrontLeft;
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else if(strcmp(confkey, "fr") == 0 || strcmp(confkey, "front-right") == 0)
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val = FRONT_RIGHT;
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val = FrontRight;
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else if(strcmp(confkey, "fc") == 0 || strcmp(confkey, "front-center") == 0)
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val = FRONT_CENTER;
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val = FrontCenter;
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else if(strcmp(confkey, "bl") == 0 || strcmp(confkey, "back-left") == 0)
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val = BACK_LEFT;
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val = BackLeft;
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else if(strcmp(confkey, "br") == 0 || strcmp(confkey, "back-right") == 0)
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val = BACK_RIGHT;
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val = BackRight;
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else if(strcmp(confkey, "bc") == 0 || strcmp(confkey, "back-center") == 0)
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val = BACK_CENTER;
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val = BackCenter;
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else if(strcmp(confkey, "sl") == 0 || strcmp(confkey, "side-left") == 0)
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val = SIDE_LEFT;
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val = SideLeft;
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else if(strcmp(confkey, "sr") == 0 || strcmp(confkey, "side-right") == 0)
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val = SIDE_RIGHT;
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val = SideRight;
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else
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{
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ERR("Unknown speaker for %s: \"%s\"\n", name, confkey);
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@@ -102,7 +104,7 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MAXCHAN
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{
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long angle = strtol(sep, NULL, 10);
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if(angle >= -180 && angle <= 180)
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SpeakerAngle[i] = angle * F_PI/180.0f;
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SpeakerAngle[i] = DEG2RAD(angle);
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else
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ERR("Invalid angle for speaker \"%s\": %ld\n", confkey, angle);
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break;
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@@ -139,176 +141,310 @@ static void SetSpeakerArrangement(const char *name, ALfloat SpeakerAngle[MAXCHAN
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}
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}
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static ALfloat aluLUTpos2Angle(ALint pos)
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void ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, ALfloat ingain, ALfloat gains[MaxChannels])
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{
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if(pos < QUADRANT_NUM)
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return aluAtan((ALfloat)pos / (ALfloat)(QUADRANT_NUM - pos));
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if(pos < 2 * QUADRANT_NUM)
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return F_PI_2 + aluAtan((ALfloat)(pos - QUADRANT_NUM) / (ALfloat)(2 * QUADRANT_NUM - pos));
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if(pos < 3 * QUADRANT_NUM)
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return aluAtan((ALfloat)(pos - 2 * QUADRANT_NUM) / (ALfloat)(3 * QUADRANT_NUM - pos)) - F_PI;
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return aluAtan((ALfloat)(pos - 3 * QUADRANT_NUM) / (ALfloat)(4 * QUADRANT_NUM - pos)) - F_PI_2;
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ALfloat tmpgains[MaxChannels] = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f };
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enum Channel Speaker2Chan[MaxChannels];
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ALfloat SpeakerAngle[MaxChannels];
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ALfloat langle, rangle;
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ALfloat a;
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ALuint i;
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for(i = 0;i < device->NumChan;i++)
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Speaker2Chan[i] = device->Speaker2Chan[i];
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for(i = 0;i < device->NumChan;i++)
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SpeakerAngle[i] = device->SpeakerAngle[i];
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/* Some easy special-cases first... */
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if(device->NumChan <= 1 || hwidth >= F_PI)
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{
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/* Full coverage for all speakers. */
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for(i = 0;i < MaxChannels;i++)
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gains[i] = 0.0f;
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for(i = 0;i < device->NumChan;i++)
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{
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enum Channel chan = Speaker2Chan[i];
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gains[chan] = ingain;
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}
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return;
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}
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if(hwidth <= 0.0f)
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{
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/* Infinitely small sound point. */
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for(i = 0;i < MaxChannels;i++)
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gains[i] = 0.0f;
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for(i = 0;i < device->NumChan-1;i++)
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{
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if(angle >= SpeakerAngle[i] && angle < SpeakerAngle[i+1])
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{
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/* Sound is between speakers i and i+1 */
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a = (angle-SpeakerAngle[i]) /
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(SpeakerAngle[i+1]-SpeakerAngle[i]);
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gains[Speaker2Chan[i]] = sqrtf(1.0f-a) * ingain;
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gains[Speaker2Chan[i+1]] = sqrtf( a) * ingain;
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return;
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}
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}
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/* Sound is between last and first speakers */
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if(angle < SpeakerAngle[0])
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angle += F_2PI;
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a = (angle-SpeakerAngle[i]) /
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(F_2PI + SpeakerAngle[0]-SpeakerAngle[i]);
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gains[Speaker2Chan[i]] = sqrtf(1.0f-a) * ingain;
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gains[Speaker2Chan[0]] = sqrtf( a) * ingain;
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return;
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}
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if(fabsf(angle)+hwidth > F_PI)
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{
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/* The coverage area would go outside of -pi...+pi. Instead, rotate the
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* speaker angles so it would be as if angle=0, and keep them wrapped
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* within -pi...+pi. */
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if(angle > 0.0f)
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{
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ALuint done;
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ALuint i = 0;
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while(i < device->NumChan && device->SpeakerAngle[i]-angle < -F_PI)
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i++;
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for(done = 0;i < device->NumChan;done++)
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{
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SpeakerAngle[done] = device->SpeakerAngle[i]-angle;
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Speaker2Chan[done] = device->Speaker2Chan[i];
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i++;
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}
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for(i = 0;done < device->NumChan;i++)
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{
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SpeakerAngle[done] = device->SpeakerAngle[i]-angle + F_2PI;
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Speaker2Chan[done] = device->Speaker2Chan[i];
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done++;
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}
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}
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else
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{
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/* NOTE: '< device->NumChan' on the iterators is correct here since
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* we need to handle index 0. Because the iterators are unsigned,
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* they'll underflow and wrap to become 0xFFFFFFFF, which will
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* break as expected. */
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ALuint done;
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ALuint i = device->NumChan-1;
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while(i < device->NumChan && device->SpeakerAngle[i]-angle > F_PI)
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i--;
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for(done = device->NumChan-1;i < device->NumChan;done--)
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{
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SpeakerAngle[done] = device->SpeakerAngle[i]-angle;
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Speaker2Chan[done] = device->Speaker2Chan[i];
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i--;
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}
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for(i = device->NumChan-1;done < device->NumChan;i--)
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{
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SpeakerAngle[done] = device->SpeakerAngle[i]-angle - F_2PI;
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Speaker2Chan[done] = device->Speaker2Chan[i];
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done--;
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}
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}
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angle = 0.0f;
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}
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langle = angle - hwidth;
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rangle = angle + hwidth;
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/* First speaker */
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i = 0;
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do {
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ALuint last = device->NumChan-1;
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enum Channel chan = Speaker2Chan[i];
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if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
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{
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tmpgains[chan] = 1.0f;
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continue;
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}
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if(SpeakerAngle[i] < langle && SpeakerAngle[i+1] > langle)
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{
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a = (langle-SpeakerAngle[i]) /
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(SpeakerAngle[i+1]-SpeakerAngle[i]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, 1.0f-a);
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}
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if(SpeakerAngle[i] > rangle)
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{
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a = (F_2PI + rangle-SpeakerAngle[last]) /
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(F_2PI + SpeakerAngle[i]-SpeakerAngle[last]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, a);
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}
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else if(SpeakerAngle[last] < rangle)
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{
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a = (rangle-SpeakerAngle[last]) /
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(F_2PI + SpeakerAngle[i]-SpeakerAngle[last]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, a);
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}
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} while(0);
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for(i = 1;i < device->NumChan-1;i++)
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{
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enum Channel chan = Speaker2Chan[i];
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if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
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{
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tmpgains[chan] = 1.0f;
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continue;
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}
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if(SpeakerAngle[i] < langle && SpeakerAngle[i+1] > langle)
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{
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a = (langle-SpeakerAngle[i]) /
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(SpeakerAngle[i+1]-SpeakerAngle[i]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, 1.0f-a);
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}
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if(SpeakerAngle[i] > rangle && SpeakerAngle[i-1] < rangle)
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{
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a = (rangle-SpeakerAngle[i-1]) /
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(SpeakerAngle[i]-SpeakerAngle[i-1]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, a);
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}
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}
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/* Last speaker */
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i = device->NumChan-1;
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do {
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enum Channel chan = Speaker2Chan[i];
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if(SpeakerAngle[i] >= langle && SpeakerAngle[i] <= rangle)
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{
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tmpgains[Speaker2Chan[i]] = 1.0f;
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continue;
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}
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if(SpeakerAngle[i] > rangle && SpeakerAngle[i-1] < rangle)
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{
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a = (rangle-SpeakerAngle[i-1]) /
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(SpeakerAngle[i]-SpeakerAngle[i-1]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, a);
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}
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if(SpeakerAngle[i] < langle)
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{
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a = (langle-SpeakerAngle[i]) /
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(F_2PI + SpeakerAngle[0]-SpeakerAngle[i]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, 1.0f-a);
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}
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else if(SpeakerAngle[0] > langle)
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{
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a = (F_2PI + langle-SpeakerAngle[i]) /
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(F_2PI + SpeakerAngle[0]-SpeakerAngle[i]);
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tmpgains[chan] = lerp(tmpgains[chan], 1.0f, 1.0f-a);
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}
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} while(0);
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for(i = 0;i < device->NumChan;i++)
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{
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enum Channel chan = device->Speaker2Chan[i];
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gains[chan] = sqrtf(tmpgains[chan]) * ingain;
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}
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}
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ALint aluCart2LUTpos(ALfloat re, ALfloat im)
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{
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ALint pos = 0;
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ALfloat denom = aluFabs(re) + aluFabs(im);
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if(denom > 0.0f)
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pos = (ALint)(QUADRANT_NUM*aluFabs(im) / denom + 0.5);
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if(re < 0.0f)
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pos = 2 * QUADRANT_NUM - pos;
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if(im < 0.0f)
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pos = LUT_NUM - pos;
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return pos%LUT_NUM;
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}
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ALvoid aluInitPanning(ALCdevice *Device)
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{
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ALfloat SpeakerAngle[MAXCHANNELS];
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const char *layoutname = NULL;
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enum Channel *Speaker2Chan;
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ALfloat Alpha, Theta;
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ALint pos;
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ALuint s;
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ALfloat *SpeakerAngle;
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Speaker2Chan = Device->Speaker2Chan;
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SpeakerAngle = Device->SpeakerAngle;
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switch(Device->FmtChans)
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{
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case DevFmtMono:
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Device->NumChan = 1;
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Speaker2Chan[0] = FRONT_CENTER;
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SpeakerAngle[0] = F_PI/180.0f * 0.0f;
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Speaker2Chan[0] = FrontCenter;
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SpeakerAngle[0] = DEG2RAD(0.0f);
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layoutname = NULL;
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break;
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case DevFmtStereo:
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Device->NumChan = 2;
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Speaker2Chan[0] = FRONT_LEFT;
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Speaker2Chan[1] = FRONT_RIGHT;
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SpeakerAngle[0] = F_PI/180.0f * -90.0f;
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SpeakerAngle[1] = F_PI/180.0f * 90.0f;
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SetSpeakerArrangement("layout_STEREO", SpeakerAngle, Speaker2Chan, Device->NumChan);
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Speaker2Chan[0] = FrontLeft;
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Speaker2Chan[1] = FrontRight;
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SpeakerAngle[0] = DEG2RAD(-90.0f);
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SpeakerAngle[1] = DEG2RAD( 90.0f);
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layoutname = "layout_stereo";
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break;
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case DevFmtQuad:
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Device->NumChan = 4;
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Speaker2Chan[0] = BACK_LEFT;
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Speaker2Chan[1] = FRONT_LEFT;
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Speaker2Chan[2] = FRONT_RIGHT;
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Speaker2Chan[3] = BACK_RIGHT;
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SpeakerAngle[0] = F_PI/180.0f * -135.0f;
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SpeakerAngle[1] = F_PI/180.0f * -45.0f;
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SpeakerAngle[2] = F_PI/180.0f * 45.0f;
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SpeakerAngle[3] = F_PI/180.0f * 135.0f;
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SetSpeakerArrangement("layout_QUAD", SpeakerAngle, Speaker2Chan, Device->NumChan);
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Speaker2Chan[0] = BackLeft;
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Speaker2Chan[1] = FrontLeft;
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Speaker2Chan[2] = FrontRight;
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Speaker2Chan[3] = BackRight;
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SpeakerAngle[0] = DEG2RAD(-135.0f);
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SpeakerAngle[1] = DEG2RAD( -45.0f);
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SpeakerAngle[2] = DEG2RAD( 45.0f);
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SpeakerAngle[3] = DEG2RAD( 135.0f);
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layoutname = "layout_quad";
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break;
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case DevFmtX51:
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Device->NumChan = 5;
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Speaker2Chan[0] = BACK_LEFT;
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Speaker2Chan[1] = FRONT_LEFT;
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Speaker2Chan[2] = FRONT_CENTER;
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Speaker2Chan[3] = FRONT_RIGHT;
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Speaker2Chan[4] = BACK_RIGHT;
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SpeakerAngle[0] = F_PI/180.0f * -110.0f;
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SpeakerAngle[1] = F_PI/180.0f * -30.0f;
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SpeakerAngle[2] = F_PI/180.0f * 0.0f;
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SpeakerAngle[3] = F_PI/180.0f * 30.0f;
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SpeakerAngle[4] = F_PI/180.0f * 110.0f;
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SetSpeakerArrangement("layout_51CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
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Speaker2Chan[0] = BackLeft;
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Speaker2Chan[1] = FrontLeft;
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Speaker2Chan[2] = FrontCenter;
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Speaker2Chan[3] = FrontRight;
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Speaker2Chan[4] = BackRight;
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SpeakerAngle[0] = DEG2RAD(-110.0f);
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SpeakerAngle[1] = DEG2RAD( -30.0f);
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SpeakerAngle[2] = DEG2RAD( 0.0f);
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SpeakerAngle[3] = DEG2RAD( 30.0f);
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SpeakerAngle[4] = DEG2RAD( 110.0f);
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layoutname = "layout_surround51";
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break;
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case DevFmtX51Side:
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Device->NumChan = 5;
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Speaker2Chan[0] = SIDE_LEFT;
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Speaker2Chan[1] = FRONT_LEFT;
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Speaker2Chan[2] = FRONT_CENTER;
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Speaker2Chan[3] = FRONT_RIGHT;
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Speaker2Chan[4] = SIDE_RIGHT;
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SpeakerAngle[0] = F_PI/180.0f * -90.0f;
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SpeakerAngle[1] = F_PI/180.0f * -30.0f;
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SpeakerAngle[2] = F_PI/180.0f * 0.0f;
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SpeakerAngle[3] = F_PI/180.0f * 30.0f;
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SpeakerAngle[4] = F_PI/180.0f * 90.0f;
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SetSpeakerArrangement("layout_51SIDECHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
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Speaker2Chan[0] = SideLeft;
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Speaker2Chan[1] = FrontLeft;
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Speaker2Chan[2] = FrontCenter;
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Speaker2Chan[3] = FrontRight;
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Speaker2Chan[4] = SideRight;
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SpeakerAngle[0] = DEG2RAD(-90.0f);
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SpeakerAngle[1] = DEG2RAD(-30.0f);
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SpeakerAngle[2] = DEG2RAD( 0.0f);
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SpeakerAngle[3] = DEG2RAD( 30.0f);
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SpeakerAngle[4] = DEG2RAD( 90.0f);
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layoutname = "layout_side51";
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break;
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case DevFmtX61:
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Device->NumChan = 6;
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Speaker2Chan[0] = SIDE_LEFT;
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Speaker2Chan[1] = FRONT_LEFT;
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Speaker2Chan[2] = FRONT_CENTER;
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Speaker2Chan[3] = FRONT_RIGHT;
|
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Speaker2Chan[4] = SIDE_RIGHT;
|
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Speaker2Chan[5] = BACK_CENTER;
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SpeakerAngle[0] = F_PI/180.0f * -90.0f;
|
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SpeakerAngle[1] = F_PI/180.0f * -30.0f;
|
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SpeakerAngle[2] = F_PI/180.0f * 0.0f;
|
||||
SpeakerAngle[3] = F_PI/180.0f * 30.0f;
|
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SpeakerAngle[4] = F_PI/180.0f * 90.0f;
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SpeakerAngle[5] = F_PI/180.0f * 180.0f;
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SetSpeakerArrangement("layout_61CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
|
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Speaker2Chan[0] = SideLeft;
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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);
|
||||
layoutname = "layout_surround61";
|
||||
break;
|
||||
|
||||
case DevFmtX71:
|
||||
Device->NumChan = 7;
|
||||
Speaker2Chan[0] = BACK_LEFT;
|
||||
Speaker2Chan[1] = SIDE_LEFT;
|
||||
Speaker2Chan[2] = FRONT_LEFT;
|
||||
Speaker2Chan[3] = FRONT_CENTER;
|
||||
Speaker2Chan[4] = FRONT_RIGHT;
|
||||
Speaker2Chan[5] = SIDE_RIGHT;
|
||||
Speaker2Chan[6] = BACK_RIGHT;
|
||||
SpeakerAngle[0] = F_PI/180.0f * -150.0f;
|
||||
SpeakerAngle[1] = F_PI/180.0f * -90.0f;
|
||||
SpeakerAngle[2] = F_PI/180.0f * -30.0f;
|
||||
SpeakerAngle[3] = F_PI/180.0f * 0.0f;
|
||||
SpeakerAngle[4] = F_PI/180.0f * 30.0f;
|
||||
SpeakerAngle[5] = F_PI/180.0f * 90.0f;
|
||||
SpeakerAngle[6] = F_PI/180.0f * 150.0f;
|
||||
SetSpeakerArrangement("layout_71CHN", SpeakerAngle, Speaker2Chan, Device->NumChan);
|
||||
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);
|
||||
layoutname = "layout_surround71";
|
||||
break;
|
||||
}
|
||||
|
||||
for(pos = 0; pos < LUT_NUM; pos++)
|
||||
{
|
||||
ALfloat *PanningLUT = Device->PanningLUT[pos];
|
||||
|
||||
/* clear all values */
|
||||
for(s = 0; s < MAXCHANNELS; s++)
|
||||
PanningLUT[s] = 0.0f;
|
||||
|
||||
if(Device->NumChan == 1)
|
||||
{
|
||||
PanningLUT[Speaker2Chan[0]] = 1.0f;
|
||||
continue;
|
||||
}
|
||||
|
||||
/* source angle */
|
||||
Theta = aluLUTpos2Angle(pos);
|
||||
|
||||
/* set panning values */
|
||||
for(s = 0; s < Device->NumChan - 1; s++)
|
||||
{
|
||||
if(Theta >= SpeakerAngle[s] && Theta < SpeakerAngle[s+1])
|
||||
{
|
||||
/* source between speaker s and speaker s+1 */
|
||||
Alpha = (Theta-SpeakerAngle[s]) /
|
||||
(SpeakerAngle[s+1]-SpeakerAngle[s]);
|
||||
PanningLUT[Speaker2Chan[s]] = aluSqrt(1.0f-Alpha);
|
||||
PanningLUT[Speaker2Chan[s+1]] = aluSqrt( Alpha);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if(s == Device->NumChan - 1)
|
||||
{
|
||||
/* source between last and first speaker */
|
||||
if(Theta < SpeakerAngle[0])
|
||||
Theta += F_PI*2.0f;
|
||||
Alpha = (Theta-SpeakerAngle[s]) /
|
||||
(F_PI*2.0f + SpeakerAngle[0]-SpeakerAngle[s]);
|
||||
PanningLUT[Speaker2Chan[s]] = aluSqrt(1.0f-Alpha);
|
||||
PanningLUT[Speaker2Chan[0]] = aluSqrt( Alpha);
|
||||
}
|
||||
}
|
||||
if(layoutname && Device->Type != Loopback)
|
||||
SetSpeakerArrangement(layoutname, SpeakerAngle, Speaker2Chan, Device->NumChan);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user