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#include <assert.h>
#include "sample.h"
size_t pa_sample_size(struct pa_sample_spec *spec) {
assert(spec);
size_t b = 1;
switch (spec->format) {
case SAMPLE_U8:
case SAMPLE_ULAW:
case SAMPLE_ALAW:
b = 1;
break;
case SAMPLE_S16LE:
case SAMPLE_S16BE:
b = 2;
break;
case SAMPLE_FLOAT32:
b = 4;
break;
}
return b * spec->channels;
}
size_t pa_bytes_per_second(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) {
assert(spec);
return (uint32_t) (((double) length /pa_sample_size(spec))/spec->rate*1000000);
}
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