core: initialize sink/source priorities automatically based on their proplists

3 files changed, 50 insertions, 0 deletions

diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index 49a5167e..48c50b0b 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -244,6 +244,8 @@ pa_sink* pa_sink_new(
     s->module = data->module;
     s->card = data->card;
 
+    s->priority = pa_device_init_priority(s->proplist);
+
     s->sample_spec = data->sample_spec;
     s->channel_map = data->channel_map;
 
@@ -2696,3 +2698,48 @@ pa_bool_t pa_device_init_intended_roles(pa_proplist *p) {
 
     return FALSE;
 }
+
+unsigned pa_device_init_priority(pa_proplist *p) {
+    const char *s;
+    unsigned priority = 0;
+
+    pa_assert(p);
+
+    if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_CLASS))) {
+
+        if (pa_streq(s, "sound"))
+            priority += 9000;
+        else if (!pa_streq(s, "modem"))
+            priority += 1000;
+    }
+
+    if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_FORM_FACTOR))) {
+
+        if (pa_streq(s, "internal"))
+            priority += 900;
+        else if (pa_streq(s, "speaker"))
+            priority += 500;
+        else if (pa_streq(s, "headphone"))
+            priority += 400;
+    }
+
+    if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_BUS))) {
+
+        if (pa_streq(s, "pci"))
+            priority += 50;
+        else if (pa_streq(s, "usb"))
+            priority += 40;
+        else if (pa_streq(s, "bluetooth"))
+            priority += 30;
+    }
+
+    if ((s = pa_proplist_gets(p, PA_PROP_DEVICE_PROFILE_NAME))) {
+
+        if (pa_startswith(s, "analog-"))
+            priority += 9;
+        else if (pa_startswith(s, "iec958-"))
+            priority += 8;
+    }
+
+    return priority;
+}
diff --git a/src/pulsecore/sink.h b/src/pulsecore/sink.h
index 1e4d0e31..ba547fc3 100644
--- a/src/pulsecore/sink.h
+++ b/src/pulsecore/sink.h
@@ -290,6 +290,7 @@ void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t valu
 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);
 pa_bool_t pa_device_init_intended_roles(pa_proplist *p);
+unsigned pa_device_init_priority(pa_proplist *p);
 
 /**** May be called by everyone, from main context */
 
diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index 6600b74d..1c77e0b9 100644
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -213,6 +213,8 @@ pa_source* pa_source_new(
     s->module = data->module;
     s->card = data->card;
 
+    s->priority = pa_device_init_priority(s->proplist);
+
     s->sample_spec = data->sample_spec;
     s->channel_map = data->channel_map;