add functions that modules can call whenever they now the volume changed

diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index c725595..147926a 100644 (file)
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -1135,6 +1135,19 @@ const pa_cvolume *pa_sink_get_volume(pa_sink *s, pa_bool_t force_refresh) {
 }
 
 /* Called from main thread */
+void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_volume) {
+    pa_sink_assert_ref(s);
+
+    /* The sink 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_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+/* Called from main thread */
 void pa_sink_set_mute(pa_sink *s, pa_bool_t mute) {
     pa_bool_t old_muted;
 
@@ -1174,6 +1187,19 @@ pa_bool_t pa_sink_get_mute(pa_sink *s, pa_bool_t force_refresh) {
 }
 
 /* Called from main thread */
+void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted) {
+    pa_sink_assert_ref(s);
+
+    /* The sink implementor may call this if the volume 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_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}
+
+/* Called from main thread */
 pa_bool_t pa_sink_update_proplist(pa_sink *s, pa_update_mode_t mode, pa_proplist *p) {
 
     pa_sink_assert_ref(s);

diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h
index 0d33679..448f280 100644 (file)
--- a/src/pulsecore/sink.h
+++ b/src/pulsecore/sink.h
@@ -224,6 +224,8 @@ void pa_sink_detach(pa_sink *s);
 void pa_sink_attach(pa_sink *s);
 
 void pa_sink_set_soft_volume(pa_sink *s, const pa_cvolume *volume);
+void pa_sink_volume_changed(pa_sink *s, const pa_cvolume *new_volume);
+void pa_sink_mute_changed(pa_sink *s, pa_bool_t new_muted);
 
 pa_bool_t pa_device_init_description(pa_proplist *p);
 pa_bool_t pa_device_init_icon(pa_proplist *p, pa_bool_t is_sink);

diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index cc6dfc4..ac1ef1e 100644 (file)
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -675,6 +675,19 @@ const pa_cvolume *pa_source_get_volume(pa_source *s, pa_bool_t force_refresh) {
 }
 
 /* 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));
 
@@ -715,6 +727,19 @@ pa_bool_t pa_source_get_mute(pa_source *s, pa_bool_t force_refresh) {
 }
 
 /* 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);
     pa_assert(p);

diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h
index 26471de..68bf2f0 100644 (file)
--- a/src/pulsecore/source.h
+++ b/src/pulsecore/source.h
@@ -211,6 +211,8 @@ void pa_source_detach(pa_source *s);
 void pa_source_attach(pa_source *s);
 
 void pa_source_set_soft_volume(pa_source *s, const pa_cvolume *volume);
+void pa_source_volume_changed(pa_source *s, const pa_cvolume *new_volume);
+void pa_source_mute_changed(pa_source *s, pa_bool_t new_muted);
 
 int pa_source_sync_suspend(pa_source *s);