ref: cb72ebfc0e08fc33fe4aca23fe414b22195d4254
dir: /src/mixer/ft2_center_mix.c/
#include <stdint.h>
#include <stdbool.h>
#include "ft2_mix_macros.h"
#include "../ft2_cpu.h"
/* Check out ft2_mix.c for comments on how this works.
** These are duplicates for center-mixing (slightly faster when it can be used).
*/
/* ----------------------------------------------------------------------- */
/* 8-BIT CENTER MIXING ROUTINES */
/* ----------------------------------------------------------------------- */
void centerMix8bNoLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix8bLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
RENDER_8BIT_SMP_MONO
INC_POS
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bBidiLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bNoLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix8bLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bBidiLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bNoLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix8bLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bBidiLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bNoLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix8bLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bBidiLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bNoLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix8bLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bBidiLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix8bRampNoLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampBidiLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampNoLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampBidiLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampNoLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampBidiLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampNoLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampBidiLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampNoLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix8bRampBidiLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int8_t *base, *revBase, *smpPtr;
int8_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE8_BIDI
PREPARE_TAP_FIX8
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_8BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
/* ----------------------------------------------------------------------- */
/* 16-BIT CENTER MIXING ROUTINES */
/* ----------------------------------------------------------------------- */
void centerMix16bNoLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix16bLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
RENDER_16BIT_SMP_MONO
INC_POS
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bBidiLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bNoLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix16bLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bBidiLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bNoLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix16bLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bBidiLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bNoLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix16bLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bBidiLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bNoLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
}
HANDLE_SAMPLE_END
}
SET_BACK_MIXER_POS
}
void centerMix16bLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS
}
}
WRAP_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bBidiLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO
GET_MIXER_VARS
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_BACK_MIXER_POS
}
void centerMix16bRampNoLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampBidiLoop(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampNoLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampBidiLoopS8Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S8INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampNoLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampBidiLoopLIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16_BIDI
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_LINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampNoLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampBidiLoopS16Intrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_S16INTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampNoLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
HANDLE_SAMPLE_END
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS
}
}
WRAP_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}
void centerMix16bRampBidiLoopCIntrp(voice_t *v, uint32_t bufferPos, uint32_t numSamples)
{
const int16_t *base, *revBase, *smpPtr;
int16_t *smpTapPtr;
float fSample, *fMixBufferL, *fMixBufferR;
int32_t position;
float fVolumeLDelta, fVolumeL;
uint32_t i, samplesToMix, samplesLeft;
uintCPUWord_t positionFrac, tmpDelta;
GET_VOL_MONO_RAMP
GET_MIXER_VARS_MONO_RAMP
SET_BASE16_BIDI
PREPARE_TAP_FIX16
samplesLeft = numSamples;
while (samplesLeft > 0)
{
LIMIT_MIX_NUM
LIMIT_MIX_NUM_MONO_RAMP
samplesLeft -= samplesToMix;
START_BIDI
if (v->hasLooped) // the negative interpolation taps need a special case after the sample has looped once
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP_TAP_FIX
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
else
{
for (i = 0; i < (samplesToMix & 3); i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
samplesToMix >>= 2;
for (i = 0; i < samplesToMix; i++)
{
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
RENDER_16BIT_SMP_MONO_CINTRP
VOLUME_RAMPING_MONO
INC_POS_BIDI
}
}
END_BIDI
WRAP_BIDI_LOOP
}
SET_VOL_BACK_MONO
SET_BACK_MIXER_POS
}