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Support reversed endian floats. (closes #28) (closes #35)

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1412 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Pierre Ossman 2006-11-08 13:03:35 +00:00
parent 55c25c657e
commit 0ef2d7eb77
2 changed files with 21 additions and 0 deletions
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1
src/pulsecore/sample-util.c
View file

@ -68,6 +68,7 @@ void pa_silence_memory(void *p, size_t length, const pa_sample_spec *spec) {
case PA_SAMPLE_S16LE:
case PA_SAMPLE_S16BE:
case PA_SAMPLE_FLOAT32:
case PA_SAMPLE_FLOAT32RE:
c = 0;
break;
case PA_SAMPLE_ALAW:

20
src/pulsecore/sconv.c
View file

@ -72,6 +72,22 @@ static void float32ne_from_float32ne(unsigned n, const float *a, void *b) {
oil_memcpy(b, a, sizeof(float) * n);
}
static void float32re_to_float32ne(unsigned n, const void *a, float *b) {
assert(a);
assert(b);
while (n-- > 0)
((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
}
static void float32re_from_float32ne(unsigned n, const float *a, void *b) {
assert(a);
assert(b);
while (n-- > 0)
((uint32_t *)b)[n] = UINT32_SWAP (((uint32_t *)a)[n]);
}
static void ulaw_to_float32ne(unsigned n, const void *a, float *b) {
const uint8_t *ca = a;
@ -140,6 +156,8 @@ pa_convert_to_float32ne_func_t pa_get_convert_to_float32ne_function(pa_sample_fo
return pa_sconv_s16be_to_float32ne;
case PA_SAMPLE_FLOAT32NE:
return float32ne_to_float32ne;
case PA_SAMPLE_FLOAT32RE:
return float32re_to_float32ne;
case PA_SAMPLE_ALAW:
return alaw_to_float32ne;
case PA_SAMPLE_ULAW:
@ -159,6 +177,8 @@ pa_convert_from_float32ne_func_t pa_get_convert_from_float32ne_function(pa_sampl
return pa_sconv_s16be_from_float32ne;
case PA_SAMPLE_FLOAT32NE:
return float32ne_from_float32ne;
case PA_SAMPLE_FLOAT32RE:
return float32re_from_float32ne;
case PA_SAMPLE_ALAW:
return alaw_from_float32ne;
case PA_SAMPLE_ULAW: