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format: Expose pa_format_info<->pa_sample_spec conversion functions

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These utility functions could be handy to clients.
pa_format_info_to_sample_spec_fake() isn't made public, but the return
value is changed to keep in sync with pa_format_info_to_sample_spec().
This commit is contained in:
Arun Raghavan 2012-02-06 11:34:47 +05:30
parent 63429b67c7
commit c60f698f1e
5 changed files with 19 additions and 14 deletions
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14
src/pulse/format.c
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@ -219,10 +219,10 @@ pa_format_info* pa_format_info_from_sample_spec(pa_sample_spec *ss, pa_channel_m
}
/* For PCM streams */
pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
int pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
char *sf = NULL, *m = NULL;
int rate, channels;
pa_bool_t ret = FALSE;
int ret = -PA_ERR_INVALID;
pa_assert(f);
pa_assert(ss);
@ -249,7 +249,7 @@ pa_bool_t pa_format_info_to_sample_spec(pa_format_info *f, pa_sample_spec *ss, p
goto out;
}
ret = TRUE;
ret = 0;
out:
if (sf)
@ -261,23 +261,23 @@ out:
}
/* For compressed streams */
pa_bool_t pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) {
int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss) {
int rate;
pa_assert(f);
pa_assert(ss);
pa_return_val_if_fail(f->encoding != PA_ENCODING_PCM, FALSE);
pa_return_val_if_fail(f->encoding != PA_ENCODING_PCM, -PA_ERR_INVALID);
ss->format = PA_SAMPLE_S16LE;
ss->channels = 2;
pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, FALSE);
pa_return_val_if_fail(pa_format_info_get_prop_int(f, PA_PROP_FORMAT_RATE, &rate) == 0, -PA_ERR_INVALID);
ss->rate = (uint32_t) rate;
if (f->encoding == PA_ENCODING_EAC3_IEC61937)
ss->rate *= 4;
return TRUE;
return 0;
}
void pa_format_info_set_sample_format(pa_format_info *f, pa_sample_format_t sf) {