add priority logic to find best default profile

src/modules/alsa/alsa-util.c

@@ -495,62 +495,72 @@ static const struct pa_alsa_profile_info device_table[] = {
     {{ 1, { PA_CHANNEL_POSITION_MONO }},
      "hw",
      "Analog Mono",
-     "analog-mono" },
+     "analog-mono",
+     1 },
 
     {{ 2, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT }},
      "front",
      "Analog Stereo",
-     "analog-stereo" },
+     "analog-stereo",
+     10 },
 
     {{ 2, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT }},
      "iec958",
      "IEC958 Digital Stereo",
-     "iec958-stereo" },
+     "iec958-stereo",
+     5 },
 
     {{ 2, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT }},
      "hdmi",
      "HDMI Digital Stereo",
-     "hdmi-stereo"},
+     "hdmi-stereo",
+     4 },
 
     {{ 4, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT }},
      "surround40",
      "Analog Surround 4.0",
-     "analog-surround-40" },
+     "analog-surround-40",
+     7 },
 
     {{ 4, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT }},
      "a52",
      "IEC958/AC3 Digital Surround 4.0",
-     "iec958-ac3-surround-40" },
+     "iec958-ac3-surround-40",
+     2 },
 
     {{ 5, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT,
             PA_CHANNEL_POSITION_LFE }},
      "surround41",
      "Analog Surround 4.1",
-     "analog-surround-41"},
+     "analog-surround-41",
+     7 },
 
     {{ 5, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT,
             PA_CHANNEL_POSITION_CENTER }},
      "surround50",
      "Analog Surround 5.0",
-     "analog-surround-50" },
+     "analog-surround-50",
+     7 },
 
     {{ 6, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT,
             PA_CHANNEL_POSITION_CENTER, PA_CHANNEL_POSITION_LFE }},
      "surround51",
      "Analog Surround 5.1",
-     "analog-surround-51" },
+     "analog-surround-51",
+     8 },
 
     {{ 6, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_CENTER,
             PA_CHANNEL_POSITION_FRONT_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT,
             PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_LFE}},
      "a52",
      "IEC958/AC3 Digital Surround 5.1",
-     "iec958-ac3-surround-51" },
+     "iec958-ac3-surround-51",
+     3 },
 
     {{ 8, { PA_CHANNEL_POSITION_FRONT_LEFT, PA_CHANNEL_POSITION_FRONT_RIGHT,
             PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT,
@@ -558,9 +568,10 @@ static const struct pa_alsa_profile_info device_table[] = {
             PA_CHANNEL_POSITION_SIDE_LEFT, PA_CHANNEL_POSITION_SIDE_RIGHT }},
      "surround71",
      "Analog Surround 7.1",
-     "analog-surround-71" },
+     "analog-surround-71",
+     7 },
 
-    {{ 0, { 0 }}, NULL, NULL, NULL }
+    {{ 0, { 0 }}, NULL, NULL, NULL, 0 }
 };
 
 static pa_bool_t channel_map_superset(const pa_channel_map *a, const pa_channel_map *b) {

src/modules/alsa/alsa-util.h

@@ -86,6 +86,7 @@ typedef struct pa_alsa_profile_info {
     const char *alsa_name;
     const char *description;
     const char *name;
+    unsigned priority;
 } pa_alsa_profile_info;
 
 int pa_alsa_probe_profiles(

src/modules/alsa/module-alsa-card.c

@@ -108,6 +108,7 @@ static void enumerate_cb(
     pa_xfree(t);
     pa_xfree(n);
 
+    p->priority = (sink ? sink->priority : 0)*100 + (source ? source->priority : 0);
     p->n_sinks = !!sink;
     p->n_sources = !!source;
 

src/pulsecore/card.c

@@ -45,6 +45,10 @@ pa_card_profile *pa_card_profile_new(const char *name, const char *description,
     c->name = pa_xstrdup(name);
     c->description = pa_xstrdup(description);
 
+    c->priority = 0;
+    c->n_sinks = c->n_sources = 0;
+    c->max_sink_channels = c->max_source_channels = 0;
+
     return c;
 }
 
@@ -125,8 +129,17 @@ pa_card *pa_card_new(pa_core *core, pa_card_new_data *data) {
     c->profiles = data->profiles;
     data->profiles = NULL;
     if (!(c->active_profile = data->active_profile))
-        if (c->profiles)
+        if (c->profiles) {
-            c->active_profile = pa_hashmap_first(c->profiles);
+            void *state = NULL;
+            pa_card_profile *p;
+
+            while ((p = pa_hashmap_iterate(c->profiles, &state, NULL))) {
+                if (!c->active_profile ||
+                    p->priority > c->active_profile->priority)
+
+                    c->active_profile = p;
+            }
+        }
     data->active_profile = NULL;
 
     c->userdata = NULL;

src/pulsecore/card.h

@@ -33,6 +33,8 @@ typedef struct pa_card_profile {
     char *name;
     char *description;
 
+    unsigned priority;
+
     /* We probably want to have different properties later on here */
     unsigned n_sinks;
     unsigned n_sources;

src/pulsecore/cli-text.c

@@ -142,7 +142,7 @@ char *pa_card_list_to_string(pa_core *c) {
                     "\tprofiles:\n");
 
             while ((p = pa_hashmap_iterate(card->profiles, &state, NULL)))
-                pa_strbuf_printf(s, "\t\t%s: %s\n", p->name, p->description);
+                pa_strbuf_printf(s, "\t\t%s: %s (priority %u)\n", p->name, p->description, p->priority);
         }
 
         if (card->active_profile)