Alc/mixer_defs.h

   1 #ifndef MIXER_DEFS_H
   2 #define MIXER_DEFS_H
   3
   4 #include "AL/alc.h"
   5 #include "AL/al.h"
   6 #include "alMain.h"
   7 #include "alu.h"
   8
   9 struct MixGains;
  10
  11 struct HrtfParams;
  12 struct HrtfState;
  13
  14 /* C resamplers */
  15 const ALfloat *Resample_copy32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint dstlen);
  16 const ALfloat *Resample_point32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint dstlen);
  17 const ALfloat *Resample_lerp32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint dstlen);
  18 const ALfloat *Resample_cubic32_C(const ALfloat *src, ALuint frac, ALuint increment, ALfloat *restrict dst, ALuint dstlen);
  19
  20
  21 /* C mixers */
  22 void MixHrtf_C(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data,
  23                ALuint Counter, ALuint Offset, ALuint OutPos, const ALuint IrSize,
  24                const struct HrtfParams *hrtfparams, struct HrtfState *hrtfstate,
  25                ALuint BufferSize);
  26 void Mix_C(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  27                  struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  28
  29 /* SSE mixers */
  30 void MixHrtf_SSE(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data,
  31                  ALuint Counter, ALuint Offset, ALuint OutPos, const ALuint IrSize,
  32                  const struct HrtfParams *hrtfparams, struct HrtfState *hrtfstate,
  33                  ALuint BufferSize);
  34 void Mix_SSE(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  35              struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  36
  37 /* SSE resamplers */
  38 inline void InitiatePositionArrays(ALuint frac, ALuint increment, ALuint *frac_arr, ALuint *pos_arr, ALuint size)
  39 {
  40     ALuint i;
  41
  42     pos_arr[0] = 0;
  43     frac_arr[0] = frac;
  44     for(i = 1;i < size;i++)
  45     {
  46         ALuint frac_tmp = frac_arr[i-1] + increment;
  47         pos_arr[i] = pos_arr[i-1] + (frac_tmp>>FRACTIONBITS);
  48         frac_arr[i] = frac_tmp&FRACTIONMASK;
  49     }
  50 }
  51
  52 const ALfloat *Resample_lerp32_SSE2(const ALfloat *src, ALuint frac, ALuint increment,
  53                                     ALfloat *restrict dst, ALuint numsamples);
  54 const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
  55                                      ALfloat *restrict dst, ALuint numsamples);
  56
  57 const ALfloat *Resample_cubic32_SSE2(const ALfloat *src, ALuint frac, ALuint increment,
  58                                      ALfloat *restrict dst, ALuint numsamples);
  59 const ALfloat *Resample_cubic32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
  60                                       ALfloat *restrict dst, ALuint numsamples);
  61
  62 /* Neon mixers */
  63 void MixHrtf_Neon(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data,
  64                   ALuint Counter, ALuint Offset, ALuint OutPos, const ALuint IrSize,
  65                   const struct HrtfParams *hrtfparams, struct HrtfState *hrtfstate,
  66                   ALuint BufferSize);
  67 void Mix_Neon(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  68               struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  69
  70 #endif /* MIXER_DEFS_H */