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authorTanu Kaskinen <tanuk@iki.fi>2009-08-24 14:43:11 +0300
committerTanu Kaskinen <tanuk@iki.fi>2009-08-24 14:43:11 +0300
commit2f3fc2f1d6ba418303a4bab6f8fd3caed7d291b4 (patch)
tree00bccb466ce49367f6fd54fe9f7f90557eea8738 /src/pulsecore/sconv-s16le.c
parent3025645b0b58f476f6404f2aed3b61a633794d10 (diff)
parentbe46eaa5b6324d84c5ecbed5dd72dec1c87e0cb1 (diff)
Merge branch 'master' of git://0pointer.de/pulseaudio into dbus-work
Conflicts: src/Makefile.am
Diffstat (limited to 'src/pulsecore/sconv-s16le.c')
-rw-r--r--src/pulsecore/sconv-s16le.c42
1 files changed, 16 insertions, 26 deletions
diff --git a/src/pulsecore/sconv-s16le.c b/src/pulsecore/sconv-s16le.c
index 43b8cb3e..0fefdf1c 100644
--- a/src/pulsecore/sconv-s16le.c
+++ b/src/pulsecore/sconv-s16le.c
@@ -28,8 +28,6 @@
#include <inttypes.h>
#include <stdio.h>
-#include <liboil/liboilfuncs.h>
-
#include <pulsecore/sconv.h>
#include <pulsecore/macro.h>
#include <pulsecore/log.h>
@@ -86,17 +84,13 @@ void pa_sconv_s16le_to_float32ne(unsigned n, const int16_t *a, float *b) {
pa_assert(b);
#if SWAP_WORDS == 1
-
for (; n > 0; n--) {
int16_t s = *(a++);
*(b++) = ((float) INT16_FROM(s))/(float) 0x7FFF;
}
-
#else
-{
- static const double add = 0, factor = 1.0/0x7FFF;
- oil_scaleconv_f32_s16(b, a, (int) n, &add, &factor);
-}
+ for (; n > 0; n--)
+ *(b++) = ((float) (*(a++)))/(float) 0x7FFF;
#endif
}
@@ -105,17 +99,13 @@ void pa_sconv_s32le_to_float32ne(unsigned n, const int32_t *a, float *b) {
pa_assert(b);
#if SWAP_WORDS == 1
-
for (; n > 0; n--) {
int32_t s = *(a++);
*(b++) = (float) (((double) INT32_FROM(s))/0x7FFFFFFF);
}
-
#else
-{
- static const double add = 0, factor = 1.0/0x7FFFFFFF;
- oil_scaleconv_f32_s32(b, a, (int) n, &add, &factor);
-}
+ for (; n > 0; n--)
+ *(b++) = (float) (((double) (*(a++)))/0x7FFFFFFF);
#endif
}
@@ -124,7 +114,6 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
pa_assert(b);
#if SWAP_WORDS == 1
-
for (; n > 0; n--) {
int16_t s;
float v = *(a++);
@@ -133,12 +122,13 @@ void pa_sconv_s16le_from_float32ne(unsigned n, const float *a, int16_t *b) {
s = (int16_t) lrintf(v * 0x7FFF);
*(b++) = INT16_TO(s);
}
-
#else
-{
- static const double add = 0, factor = 0x7FFF;
- oil_scaleconv_s16_f32(b, a, (int) n, &add, &factor);
-}
+ for (; n > 0; n--) {
+ float v = *(a++);
+
+ v = PA_CLAMP_UNLIKELY(v, -1.0f, 1.f);
+ *(b++) = (int16_t) lrintf(v * 0x7FFF);
+ }
#endif
}
@@ -147,7 +137,6 @@ void pa_sconv_s32le_from_float32ne(unsigned n, const float *a, int32_t *b) {
pa_assert(b);
#if SWAP_WORDS == 1
-
for (; n > 0; n--) {
int32_t s;
float v = *(a++);
@@ -156,12 +145,13 @@ void pa_sconv_s32le_from_float32ne(unsigned n, const float *a, int32_t *b) {
s = (int32_t) lrint((double) v * (double) 0x7FFFFFFF);
*(b++) = INT32_TO(s);
}
-
#else
-{
- static const double add = 0, factor = 0x7FFFFFFF;
- oil_scaleconv_s32_f32(b, a, (int) n, &add, &factor);
-}
+ for (; n > 0; n--) {
+ float v = *(a++);
+
+ v = PA_CLAMP_UNLIKELY(v, -1.0f, 1.0f);
+ *(b++) = (int32_t) lrint((double) v * (double) 0x7FFFFFFF);
+ }
#endif
}