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add new API function pa_sample_spec_init()

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This commit is contained in:
Lennart Poettering 2008-10-03 17:13:17 +02:00
parent 8a50105fe0
commit 891989896d
2 changed files with 15 additions and 0 deletions
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10
src/pulse/sample.c
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@ -80,6 +80,16 @@ size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) {
return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec); return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec);
} }
pa_sample_spec* pa_sample_spec_init(pa_sample_spec *spec) {
pa_assert(spec);
spec->format = PA_SAMPLE_INVALID;
spec->rate = 0;
spec->channels = 0;
return spec;
}
int pa_sample_spec_valid(const pa_sample_spec *spec) { int pa_sample_spec_valid(const pa_sample_spec *spec) {
pa_assert(spec); pa_assert(spec);

5
src/pulse/sample.h
View file

@ -232,6 +232,11 @@ pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) PA_GCC_P
* return values. \since 0.9 */ * return values. \since 0.9 */
size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) PA_GCC_PURE; size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) PA_GCC_PURE;
/** Initialize the specified sample spec and return a pointer to
* it. The sample spec will have a defined state but
* pa_sample_spec_valid() will fail for it. \since 0.9.13 */
pa_sample_spec* pa_sample_spec_init(pa_sample_spec *spec);
/** Return non-zero when the sample type specification is valid */ /** Return non-zero when the sample type specification is valid */
int pa_sample_spec_valid(const pa_sample_spec *spec) PA_GCC_PURE; int pa_sample_spec_valid(const pa_sample_spec *spec) PA_GCC_PURE;