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add a lot of validity checking

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This commit is contained in:
Lennart Poettering 2009-02-03 21:57:58 +01:00
parent b51ed38116
commit 32e5e64921
3 changed files with 71 additions and 24 deletions
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13
src/pulse/sample.c
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@ -55,31 +55,35 @@ size_t pa_sample_size(const pa_sample_spec *spec) {
};
pa_assert(spec);
pa_assert(spec->format >= 0);
pa_assert(spec->format < PA_SAMPLE_MAX);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return table[spec->format];
}
size_t pa_frame_size(const pa_sample_spec *spec) {
pa_assert(spec);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return pa_sample_size(spec) * spec->channels;
}
size_t pa_bytes_per_second(const pa_sample_spec *spec) {
pa_assert(spec);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return spec->rate*pa_frame_size(spec);
}
pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) {
pa_assert(spec);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return (((pa_usec_t) (length / pa_frame_size(spec)) * PA_USEC_PER_SEC) / spec->rate);
}
size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) {
pa_assert(spec);
pa_return_val_if_fail(pa_sample_spec_valid(spec), 0);
return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec);
}
@ -112,6 +116,9 @@ int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) {
pa_assert(a);
pa_assert(b);
pa_return_val_if_fail(pa_sample_spec_valid(a), 0);
pa_return_val_if_fail(pa_sample_spec_valid(b), 0);
return
(a->format == b->format) &&
(a->rate == b->rate) &&
@ -143,7 +150,7 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) {
char *pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec) {
pa_assert(s);
pa_assert(l);
pa_assert(l > 0);
pa_assert(spec);
pa_init_i18n();