From b3675c28fa1c4bc4707e5700bc618240fc10e212 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 21 Mar 2009 02:45:31 +0100
Subject: add functions that modules can call whenever they now the volume
 changed

---
 src/pulsecore/source.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/pulsecore/source.c')

diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index cc6dfc40..ac1ef1e7 100644
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -674,6 +674,19 @@ const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
     return &s->virtual_volume;
 }
 
+/* Called from main thread */
+void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume) {
+    pa_source_assert_ref(s);
+
+    /* The source implementor may call this if the volume changed to make sure everyone is notified */
+
+    if (pa_cvolume_equal(&s->virtual_volume, new_volume))
+        return;
+
+    s->virtual_volume = *new_volume;
+    pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
 /* Called from main thread */
 void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
     pa_bool_t old_muted;
@@ -695,7 +708,6 @@ void pa_source_set_mute(pa_source *s, pa_bool_t mute) {
 
 /* Called from main thread */
 pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
-
     pa_source_assert_ref(s);
     pa_assert(PA_SOURCE_IS_LINKED(s->state));
 
@@ -714,6 +726,19 @@ pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
     return s->muted;
 }
 
+/* Called from main thread */
+void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted) {
+    pa_source_assert_ref(s);
+
+    /* The source implementor may call this if the mute state changed to make sure everyone is notified */
+
+    if (s->muted == new_muted)
+        return;
+
+    s->muted = new_muted;
+    pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
 /* Called from main thread */
 pa_bool_t pa_source_update_proplist(pa_source *s, pa_update_mode_t mode, pa_proplist *p) {
     pa_source_assert_ref(s);
-- 
cgit