summaryrefslogtreecommitdiffstats
path: root/src/pulsecore/sconv.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pulsecore/sconv.c')
-rw-r--r--src/pulsecore/sconv.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/src/pulsecore/sconv.c b/src/pulsecore/sconv.c
index d89f4283..937bf5d1 100644
--- a/src/pulsecore/sconv.c
+++ b/src/pulsecore/sconv.c
@@ -27,9 +27,6 @@
#include <stdio.h>
#include <stdlib.h>
-#include <liboil/liboilfuncs.h>
-#include <liboil/liboil.h>
-
#include <pulsecore/g711.h>
#include <pulsecore/macro.h>
@@ -41,32 +38,31 @@
/* u8 */
static void u8_to_float32ne(unsigned n, const uint8_t *a, float *b) {
- static const double add = -1, factor = 1.0/128.0;
-
pa_assert(a);
pa_assert(b);
- oil_scaleconv_f32_u8(b, a, (int) n, &add, &factor);
+ for (; n > 0; n--, a++, b++)
+ *b = (*a * 1.0/128.0) - 1.0;
}
static void u8_from_float32ne(unsigned n, const float *a, uint8_t *b) {
- static const double add = 128, factor = 127.0;
-
pa_assert(a);
pa_assert(b);
- oil_scaleconv_u8_f32(b, a, (int) n, &add, &factor);
+ for (; n > 0; n--, a++, b++) {
+ float v;
+ v = (*a * 127.0) + 128.0;
+ v = PA_CLAMP_UNLIKELY (v, 0.0, 255.0);
+ *b = rint (v);
+ }
}
static void u8_to_s16ne(unsigned n, const uint8_t *a, int16_t *b) {
- static const int16_t add = -0x80, factor = 0x100;
-
pa_assert(a);
pa_assert(b);
- oil_conv_s16_u8(b, 2, a, 1, (int) n);
- oil_scalaradd_s16(b, 2, b, 2, &add, (int) n);
- oil_scalarmult_s16(b, 2, b, 2, &factor, (int) n);
+ for (; n > 0; n--, a++, b++)
+ *b = (((int16_t)*a) - 128) << 8;
}
static void u8_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
@@ -84,7 +80,7 @@ static void float32ne_to_float32ne(unsigned n, const float *a, float *b) {
pa_assert(a);
pa_assert(b);
- oil_memcpy(b, a, (int) (sizeof(float) * n));
+ memcpy(b, a, (int) (sizeof(float) * n));
}
static void float32re_to_float32ne(unsigned n, const float *a, float *b) {
@@ -101,7 +97,7 @@ static void s16ne_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {
pa_assert(a);
pa_assert(b);
- oil_memcpy(b, a, (int) (sizeof(int16_t) * n));
+ memcpy(b, a, (int) (sizeof(int16_t) * n));
}
static void s16re_to_s16ne(unsigned n, const int16_t *a, int16_t *b) {