1fb9311d82
PulseAudio causes an assert if being relocked inside a callback on the worker thread, where aluHandleDisconnect is called. We can assume it's already locked there, so just make sure the device is locked before being calling it.
128 lines
3.8 KiB
C
128 lines
3.8 KiB
C
#ifndef _ALU_H_
|
|
#define _ALU_H_
|
|
|
|
#include "alMain.h"
|
|
|
|
#include <limits.h>
|
|
#include <math.h>
|
|
#ifdef HAVE_FLOAT_H
|
|
#include <float.h>
|
|
#endif
|
|
#ifdef HAVE_IEEEFP_H
|
|
#include <ieeefp.h>
|
|
#endif
|
|
|
|
|
|
#define F_PI (3.14159265358979323846f) /* pi */
|
|
#define F_PI_2 (1.57079632679489661923f) /* pi/2 */
|
|
|
|
#ifndef FLT_EPSILON
|
|
#define FLT_EPSILON (1.19209290e-07f)
|
|
#endif
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
struct ALsource;
|
|
struct ALbuffer;
|
|
struct DirectParams;
|
|
struct SendParams;
|
|
|
|
typedef void (*ResamplerFunc)(const ALfloat *src, ALuint frac, ALuint increment,
|
|
ALfloat *RESTRICT dst, ALuint dstlen);
|
|
|
|
typedef ALvoid (*DryMixerFunc)(const struct DirectParams *params,
|
|
const ALfloat *RESTRICT data, ALuint srcchan,
|
|
ALuint OutPos, ALuint SamplesToDo,
|
|
ALuint BufferSize);
|
|
typedef ALvoid (*WetMixerFunc)(const struct SendParams *params,
|
|
const ALfloat *RESTRICT data,
|
|
ALuint OutPos, ALuint SamplesToDo,
|
|
ALuint BufferSize);
|
|
|
|
|
|
#define SPEEDOFSOUNDMETRESPERSEC (343.3f)
|
|
#define AIRABSORBGAINHF (0.99426f) /* -0.05dB */
|
|
|
|
#define FRACTIONBITS (14)
|
|
#define FRACTIONONE (1<<FRACTIONBITS)
|
|
#define FRACTIONMASK (FRACTIONONE-1)
|
|
|
|
|
|
static __inline ALfloat minf(ALfloat a, ALfloat b)
|
|
{ return ((a > b) ? b : a); }
|
|
static __inline ALfloat maxf(ALfloat a, ALfloat b)
|
|
{ return ((a > b) ? a : b); }
|
|
static __inline ALfloat clampf(ALfloat val, ALfloat min, ALfloat max)
|
|
{ return minf(max, maxf(min, val)); }
|
|
|
|
static __inline ALuint minu(ALuint a, ALuint b)
|
|
{ return ((a > b) ? b : a); }
|
|
static __inline ALuint maxu(ALuint a, ALuint b)
|
|
{ return ((a > b) ? a : b); }
|
|
static __inline ALuint clampu(ALuint val, ALuint min, ALuint max)
|
|
{ return minu(max, maxu(min, val)); }
|
|
|
|
static __inline ALint mini(ALint a, ALint b)
|
|
{ return ((a > b) ? b : a); }
|
|
static __inline ALint maxi(ALint a, ALint b)
|
|
{ return ((a > b) ? a : b); }
|
|
static __inline ALint clampi(ALint val, ALint min, ALint max)
|
|
{ return mini(max, maxi(min, val)); }
|
|
|
|
static __inline ALint64 mini64(ALint64 a, ALint64 b)
|
|
{ return ((a > b) ? b : a); }
|
|
static __inline ALint64 maxi64(ALint64 a, ALint64 b)
|
|
{ return ((a > b) ? a : b); }
|
|
static __inline ALint64 clampi64(ALint64 val, ALint64 min, ALint64 max)
|
|
{ return mini64(max, maxi64(min, val)); }
|
|
|
|
static __inline ALuint64 minu64(ALuint64 a, ALuint64 b)
|
|
{ return ((a > b) ? b : a); }
|
|
static __inline ALuint64 maxu64(ALuint64 a, ALuint64 b)
|
|
{ return ((a > b) ? a : b); }
|
|
static __inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max)
|
|
{ return minu64(max, maxu64(min, val)); }
|
|
|
|
|
|
static __inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu)
|
|
{
|
|
return val1 + (val2-val1)*mu;
|
|
}
|
|
static __inline ALfloat cubic(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALfloat mu)
|
|
{
|
|
ALfloat mu2 = mu*mu;
|
|
ALfloat a0 = -0.5f*val0 + 1.5f*val1 + -1.5f*val2 + 0.5f*val3;
|
|
ALfloat a1 = val0 + -2.5f*val1 + 2.0f*val2 + -0.5f*val3;
|
|
ALfloat a2 = -0.5f*val0 + 0.5f*val2;
|
|
ALfloat a3 = val1;
|
|
|
|
return a0*mu*mu2 + a1*mu2 + a2*mu + a3;
|
|
}
|
|
|
|
|
|
ALvoid aluInitPanning(ALCdevice *Device);
|
|
|
|
ALvoid ComputeAngleGains(const ALCdevice *device, ALfloat angle, ALfloat hwidth, ALfloat ingain, ALfloat *gains);
|
|
|
|
ALvoid CalcSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext);
|
|
ALvoid CalcNonAttnSourceParams(struct ALsource *ALSource, const ALCcontext *ALContext);
|
|
|
|
ALvoid MixSource(struct ALsource *Source, ALCdevice *Device, ALuint SamplesToDo);
|
|
|
|
ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size);
|
|
/* Caller must lock the device. */
|
|
ALvoid aluHandleDisconnect(ALCdevice *device);
|
|
|
|
extern ALfloat ConeScale;
|
|
extern ALfloat ZScale;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|