sink, source: Assign to reference_volume from only one place

[pulseaudio] / src / pulsecore / source.c

diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index 2a600e28aa5efb9c9254498f5a3122ca52906525..c0bc1c996ef317043872e5d41d35318ae4467884 100644 (file)
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -222,6 +222,12 @@ pa_source* pa_source_new(
     pa_device_init_icon(data->proplist, false);
     pa_device_init_intended_roles(data->proplist);
 
+    if (!data->active_port) {
+        pa_device_port *p = pa_device_port_find_best(data->ports);
+        if (p)
+            pa_source_new_data_set_port(data, p->name);
+    }
+
     if (pa_hook_fire(&core->hooks[PA_CORE_HOOK_SOURCE_FIXATE], data) < 0) {
         pa_xfree(s);
         pa_namereg_unregister(core, name);
@@ -288,24 +294,10 @@ pa_source* pa_source_new(
         if ((s->active_port = pa_hashmap_get(s->ports, data->active_port)))
             s->save_port = data->save_port;
 
-    if (!s->active_port) {
-        void *state;
-        pa_device_port *p;
-
-        PA_HASHMAP_FOREACH(p, s->ports, state) {
-            if (p->available == PA_AVAILABLE_NO)
-                continue;
-
-            if (!s->active_port || p->priority > s->active_port->priority)
-                s->active_port = p;
-        }
-
-        if (!s->active_port) {
-            PA_HASHMAP_FOREACH(p, s->ports, state)
-                if (!s->active_port || p->priority > s->active_port->priority)
-                    s->active_port = p;
-        }
-    }
+    /* Hopefully the active port has already been assigned in the previous call
+       to pa_device_port_find_best, but better safe than sorry */
+    if (!s->active_port)
+        s->active_port = pa_device_port_find_best(s->ports);
 
     if (s->active_port)
         s->latency_offset = s->active_port->latency_offset;
@@ -1556,13 +1548,11 @@ static bool update_reference_volume(pa_source *s, const pa_cvolume *v, const pa_
     pa_cvolume_remap(&volume, channel_map, &s->channel_map);
 
     reference_volume_changed = !pa_cvolume_equal(&volume, &s->reference_volume);
-    s->reference_volume = volume;
+    pa_source_set_reference_volume_direct(s, &volume);
 
     s->save_volume = (!reference_volume_changed && s->save_volume) || save;
 
-    if (reference_volume_changed)
-        pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
-    else if (!(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
+    if (!reference_volume_changed && !(s->flags & PA_SOURCE_SHARE_VOLUME_WITH_MASTER))
         /* If the root source's volume doesn't change, then there can't be any
          * changes in the other source in the source tree either.
          *
@@ -2078,9 +2068,7 @@ int pa_source_process_msg(pa_msgobject *object, int code, void *userdata, int64_
                 o->thread_info.direct_on_input = NULL;
             }
 
-            if (pa_hashmap_remove(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index)))
-                pa_source_output_unref(o);
-
+            pa_hashmap_remove_and_free(s->thread_info.outputs, PA_UINT32_TO_PTR(o->index));
             pa_source_invalidate_requested_latency(s, true);
 
             /* In flat volume mode we need to update the volume as
@@ -2878,3 +2866,27 @@ done:
 
     return out_formats;
 }
+
+/* Called from the main thread. */
+void pa_source_set_reference_volume_direct(pa_source *s, const pa_cvolume *volume) {
+    pa_cvolume old_volume;
+    char old_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
+    char new_volume_str[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
+
+    pa_assert(s);
+    pa_assert(volume);
+
+    old_volume = s->reference_volume;
+
+    if (pa_cvolume_equal(volume, &old_volume))
+        return;
+
+    s->reference_volume = *volume;
+    pa_log_debug("The reference volume of source %s changed from %s to %s.", s->name,
+                 pa_cvolume_snprint_verbose(old_volume_str, sizeof(old_volume_str), &old_volume, &s->channel_map,
+                                            s->flags & PA_SOURCE_DECIBEL_VOLUME),
+                 pa_cvolume_snprint_verbose(new_volume_str, sizeof(new_volume_str), volume, &s->channel_map,
+                                            s->flags & PA_SOURCE_DECIBEL_VOLUME));
+
+    pa_subscription_post(s->core, PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE, s->index);
+}