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 Offset, const ALuint IrSize, const struct HrtfParams *hrtfparams,
  24                struct HrtfState *hrtfstate, ALuint BufferSize);
  25 void Mix_C(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  26                  struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  27
  28 /* SSE mixers */
  29 void MixHrtf_SSE(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data,
  30                  ALuint Offset, const ALuint IrSize, const struct HrtfParams *hrtfparams,
  31                  struct HrtfState *hrtfstate, ALuint BufferSize);
  32 void Mix_SSE(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  33              struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  34
  35 /* SSE resamplers */
  36 inline void InitiatePositionArrays(ALuint frac, ALuint increment, ALuint *frac_arr, ALuint *pos_arr, ALuint size)
  37 {
  38     ALuint i;
  39
  40     pos_arr[0] = 0;
  41     frac_arr[0] = frac;
  42     for(i = 1;i < size;i++)
  43     {
  44         ALuint frac_tmp = frac_arr[i-1] + increment;
  45         pos_arr[i] = pos_arr[i-1] + (frac_tmp>>FRACTIONBITS);
  46         frac_arr[i] = frac_tmp&FRACTIONMASK;
  47     }
  48 }
  49
  50 const ALfloat *Resample_lerp32_SSE2(const ALfloat *src, ALuint frac, ALuint increment,
  51                                     ALfloat *restrict dst, ALuint numsamples);
  52 const ALfloat *Resample_lerp32_SSE41(const ALfloat *src, ALuint frac, ALuint increment,
  53                                      ALfloat *restrict dst, ALuint numsamples);
  54
  55 /* Neon mixers */
  56 void MixHrtf_Neon(ALfloat (*restrict OutBuffer)[BUFFERSIZE], const ALfloat *data,
  57                   ALuint Offset, const ALuint IrSize, const struct HrtfParams *hrtfparams,
  58                   struct HrtfState *hrtfstate, ALuint BufferSize);
  59 void Mix_Neon(const ALfloat *data, ALuint OutChans, ALfloat (*restrict OutBuffer)[BUFFERSIZE],
  60               struct MixGains *Gains, ALuint Counter, ALuint OutPos, ALuint BufferSize);
  61
  62 #endif /* MIXER_DEFS_H */