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core-format: Add pa_format_info_get_channels()

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This also fixes an issue in pa_format_info_to_sample_spec(): it did
no validation for the channels value. Now the validation is taken care
of in pa_format_info_get_channels().
This commit is contained in:
Tanu Kaskinen 2013-11-25 14:51:37 +02:00
parent 85a3f560d1
commit 066dd942aa
3 changed files with 27 additions and 4 deletions
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21
src/pulsecore/core-format.c
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@ -74,6 +74,27 @@ int pa_format_info_get_rate(pa_format_info *f, uint32_t *rate) {
return 0;
}
int pa_format_info_get_channels(pa_format_info *f, uint8_t *channels) {
int r;
int channels_local;
pa_assert(f);
pa_assert(channels);
r = pa_format_info_get_prop_int(f, PA_PROP_FORMAT_CHANNELS, &channels_local);
if (r < 0)
return r;
if (!pa_channels_valid(channels_local)) {
pa_log_debug("Invalid channel count: %i", channels_local);
return -PA_ERR_INVALID;
}
*channels = channels_local;
return 0;
}
int pa_format_info_to_sample_spec_fake(pa_format_info *f, pa_sample_spec *ss, pa_channel_map *map) {
int rate;