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add resampler

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@44 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-07-02 18:47:03 +00:00
parent 961fb4466a
commit 13b35a2489
12 changed files with 357 additions and 16 deletions
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8
src/sample.c
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@ -2,7 +2,7 @@
#include "sample.h"
size_t pa_sample_size(struct pa_sample_spec *spec) {
size_t pa_sample_size(const struct pa_sample_spec *spec) {
assert(spec);
size_t b = 1;
@ -26,19 +26,19 @@ size_t pa_sample_size(struct pa_sample_spec *spec) {
return b * spec->channels;
}
size_t pa_bytes_per_second(struct pa_sample_spec *spec) {
size_t pa_bytes_per_second(const struct pa_sample_spec *spec) {
assert(spec);
return spec->rate*pa_sample_size(spec);
}
uint32_t pa_samples_usec(size_t length, struct pa_sample_spec *spec) {
uint32_t pa_samples_usec(size_t length, const struct pa_sample_spec *spec) {
assert(spec);
return (uint32_t) (((double) length /pa_sample_size(spec))/spec->rate*1000000);
}
int pa_sample_spec_valid(struct pa_sample_spec *spec) {
int pa_sample_spec_valid(const struct pa_sample_spec *spec) {
assert(spec);
if (!spec->rate || !spec->channels)