mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-05 13:29:57 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

sconv: fix a few minor conversion issues

Browse source
This commit is contained in:
Lennart Poettering 2009-05-01 04:22:08 +02:00
parent 5caf09d4ea
commit e0f08219bb
2 changed files with 6 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/pulsecore/sconv-s16le.c
View file

@ -370,7 +370,7 @@ void pa_sconv_s24_32le_to_s16ne(unsigned n, const uint32_t *a, int16_t *b) {
pa_assert(b); pa_assert(b);
for (; n > 0; n--) { for (; n > 0; n--) {
*b = (int16_t) ((int32_t) (UINT32_FROM(*a) << 8) >> 16); *b = (int16_t) (((int32_t) (UINT32_FROM(*a) << 8)) >> 16);
a++; a++;
b++; b++;
} }
@ -416,8 +416,8 @@ void pa_sconv_s24_32le_to_float32ne(unsigned n, const uint32_t *a, float *b) {
pa_assert(b); pa_assert(b);
for (; n > 0; n--) { for (; n > 0; n--) {
int32_t s = (int16_t) ((int32_t) (UINT32_FROM(*a) << 8)); int32_t s = (int32_t) (UINT32_FROM(*a) << 8);
*b = ((float) s) / 0x7FFFFFFF; *b = (float) s / (float) 0x7FFFFFFF;
a ++; a ++;
b ++; b ++;
} }
@ -428,8 +428,8 @@ void pa_sconv_s24_32le_to_float32re(unsigned n, const uint32_t *a, float *b) {
pa_assert(b); pa_assert(b);
for (; n > 0; n--) { for (; n > 0; n--) {
int32_t s = (int16_t) ((int32_t) (UINT32_FROM(*a) << 8)); int32_t s = (int32_t) (UINT32_FROM(*a) << 8);
float k = ((float) s) / 0x7FFFFFFF; float k = (float) s / (float) 0x7FFFFFFF;
*b = PA_FLOAT32_SWAP(k); *b = PA_FLOAT32_SWAP(k);
a ++; a ++;
b ++; b ++;

2
src/pulsecore/sconv.c
View file

@ -75,7 +75,7 @@ static void u8_from_s16ne(unsigned n, const int16_t *a, uint8_t *b) {
pa_assert(b); pa_assert(b);
for (; n > 0; n--, a++, b++) for (; n > 0; n--, a++, b++)
*b = (uint8_t) (*a / 0x100 + 0x80); *b = (uint8_t) ((uint16_t) *a >> 8) + (uint8_t) 0x80U;
} }
/* float32 */ /* float32 */