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add pa_sample_size_of_format()

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This commit is contained in:
Lennart Poettering 2009-02-04 17:10:15 +01:00
parent 32e5e64921
commit ce76216bce
3 changed files with 15 additions and 2 deletions
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12
src/pulse/sample.c
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@ -36,7 +36,7 @@
#include "sample.h"
size_t pa_sample_size(const pa_sample_spec *spec) {
size_t pa_sample_size_of_format(pa_sample_format_t f) {
static const size_t table[] = {
[PA_SAMPLE_U8] = 1,
@ -54,10 +54,18 @@ size_t pa_sample_size(const pa_sample_spec *spec) {
[PA_SAMPLE_S24_32BE] = 4
};
pa_assert(f >= 0);
pa_assert(f < PA_SAMPLE_MAX);
return table[f];
}
size_t pa_sample_size(const pa_sample_spec *spec) {
pa_assert(spec);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return table[spec->format];
return pa_sample_size_of_format(spec->format);
}
size_t pa_frame_size(const pa_sample_spec *spec) {

4
src/pulse/sample.h
View file

@ -261,6 +261,10 @@ size_t pa_frame_size(const pa_sample_spec *spec) PA_GCC_PURE;
/** Return the size of a sample with the specific sample type */
size_t pa_sample_size(const pa_sample_spec *spec) PA_GCC_PURE;
/** Similar to pa_sample_size() but take a sample format instead of a
* full sample spec. \since 0.9.15 */
size_t pa_sample_size_of_format(pa_sample_format_t f) PA_GCC_PURE;
/** Calculate the time the specified bytes take to play with the
* specified sample type. The return value will always be rounded
* down for non-integral return values. */