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sink-input: Don't assert when removing non-existent volume factor

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This makes it easier for users of this API to add/updated a volume
factor by doing a _remove_volume_factor() followed by an
add_volume_factor(), rather than having to either remember whether this
is the first set operation or have an API to query whether a factor has
already been set.
This commit is contained in:
Arun Raghavan 2013-08-03 11:39:17 +05:30
parent bc7aaff377
commit f8f0d4c26b
2 changed files with 11 additions and 3 deletions
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12
src/pulsecore/sink-input.c
View file

@ -1330,7 +1330,9 @@ void pa_sink_input_add_volume_factor(pa_sink_input *i, const char *key, const pa
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
}
void pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key) {
/* Returns 0 if an entry was removed and -1 if no entry for the given key was
* found. */
int pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key) {
struct volume_factor_entry *v;
pa_sink_input_assert_ref(i);
@ -1338,7 +1340,11 @@ void pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key) {
pa_assert_ctl_context();
pa_assert(PA_SINK_INPUT_IS_LINKED(i->state));
pa_assert_se(v = pa_hashmap_remove(i->volume_factor_items, key));
v = pa_hashmap_remove(i->volume_factor_items, key);
if (!v)
return -1;
volume_factor_entry_free(v);
switch (pa_hashmap_size(i->volume_factor_items)) {
@ -1357,6 +1363,8 @@ void pa_sink_input_remove_volume_factor(pa_sink_input *i, const char *key) {
/* Copy the new soft_volume to the thread_info struct */
pa_assert_se(pa_asyncmsgq_send(i->sink->asyncmsgq, PA_MSGOBJECT(i), PA_SINK_INPUT_MESSAGE_SET_SOFT_VOLUME, NULL, 0, NULL) == 0);
return 0;
}
/* Called from main context */