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Convert bs2b.c to C++

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This commit is contained in:
Chris Robinson
2018-11-17 18:54:10 -08:00
parent 9992cef915
commit 1468dee831
2 changed files with 9 additions and 8 deletions
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Alc/bs2b.c → Alc/bs2b.cpp
+8 -7
View File
@@ -23,11 +23,12 @@
#include "config.h"
#include <math.h>
#include <string.h>
#include <cmath>
#include <cstring>
#include <algorithm>
#include "bs2b.h"
#include "alu.h"
#include "math_defs.h"
/* Set up all data. */
@@ -90,11 +91,11 @@ static void init(struct bs2b *bs2b)
* $d = 1 / 2 / pi / $fc;
* $x = exp(-1 / $d);
*/
x = expf(-2.0f * F_PI * Fc_lo / bs2b->srate);
x = std::exp(-2.0f * F_PI * Fc_lo / bs2b->srate);
bs2b->b1_lo = x;
bs2b->a0_lo = G_lo * (1.0f - x) * g;
x = expf(-2.0f * F_PI * Fc_hi / bs2b->srate);
x = std::exp(-2.0f * F_PI * Fc_hi / bs2b->srate);
bs2b->b1_hi = x;
bs2b->a0_hi = (1.0f - G_hi * (1.0f - x)) * g;
bs2b->a1_hi = -x * g;
@@ -126,7 +127,7 @@ int bs2b_get_srate(struct bs2b *bs2b)
void bs2b_clear(struct bs2b *bs2b)
{
memset(&bs2b->last_sample, 0, sizeof(bs2b->last_sample));
std::memset(&bs2b->last_sample, 0, sizeof(bs2b->last_sample));
} /* bs2b_clear */
void bs2b_cross_feed(struct bs2b *bs2b, float *RESTRICT Left, float *RESTRICT Right, int SamplesToDo)
@@ -137,7 +138,7 @@ void bs2b_cross_feed(struct bs2b *bs2b, float *RESTRICT Left, float *RESTRICT Ri
for(base = 0;base < SamplesToDo;)
{
int todo = mini(128, SamplesToDo-base);
int todo = std::min(128, SamplesToDo-base);
int i;
/* Process left input */
CMakeLists.txt
+1 -1
View File
@@ -786,7 +786,7 @@ SET(ALC_OBJS
Alc/alu.cpp
Alc/alconfig.cpp
Alc/alconfig.h
Alc/bs2b.c
Alc/bs2b.cpp
Alc/converter.cpp
Alc/converter.h
Alc/inprogext.h