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sconv: fix a few minor conversion issues

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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
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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);
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++;
b++;
}
@ -416,8 +416,8 @@ void pa_sconv_s24_32le_to_float32ne(unsigned n, const uint32_t *a, float *b) {
pa_assert(b);
for (; n > 0; n--) {
int32_t s = (int16_t) ((int32_t) (UINT32_FROM(*a) << 8));
*b = ((float) s) / 0x7FFFFFFF;
int32_t s = (int32_t) (UINT32_FROM(*a) << 8);
*b = (float) s / (float) 0x7FFFFFFF;
a ++;
b ++;
}
@ -428,8 +428,8 @@ void pa_sconv_s24_32le_to_float32re(unsigned n, const uint32_t *a, float *b) {
pa_assert(b);
for (; n > 0; n--) {
int32_t s = (int16_t) ((int32_t) (UINT32_FROM(*a) << 8));
float k = ((float) s) / 0x7FFFFFFF;
int32_t s = (int32_t) (UINT32_FROM(*a) << 8);
float k = (float) s / (float) 0x7FFFFFFF;
*b = PA_FLOAT32_SWAP(k);
a ++;
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);
for (; n > 0; n--, a++, b++)
*b = (uint8_t) (*a / 0x100 + 0x80);
*b = (uint8_t) ((uint16_t) *a >> 8) + (uint8_t) 0x80U;
}
/* float32 */