audio: always log channel maps before determining final map

Until now, this was done only in debug verbosity, while some AOs logged
equivalent information in verbose mode. Clean this up.

audio/chmap_sel.c

@@ -20,6 +20,7 @@
 #include <limits.h>
 
 #include "common/common.h"
+#include "common/msg.h"
 #include "chmap_sel.h"
 
 static const struct mp_chmap speaker_replacements[][2] = {
@@ -357,3 +358,24 @@ bool mp_chmap_sel_get_def(const struct mp_chmap_sel *s, struct mp_chmap *map,
     }
     return map->num > 0;
 }
+
+// Print the set of allowed channel layouts.
+void mp_chmal_sel_log(const struct mp_chmap_sel *s, struct mp_log *log, int lev)
+{
+    if (!mp_msg_test(log, lev))
+        return;
+
+    for (int i = 0; i < s->num_chmaps; i++)
+        mp_msg(log, lev, " - %s\n", mp_chmap_to_str(&s->chmaps[i]));
+    for (int i = 0; i < MP_SPEAKER_ID_COUNT; i++) {
+        if (!s->speakers[i])
+            continue;
+        struct mp_chmap l = {.num = 1, .speaker = { i }};
+        mp_msg(log, lev, " - #%s\n",
+                    i == MP_SPEAKER_ID_FC ? "fc" : mp_chmap_to_str_hr(&l));
+    }
+    if (s->allow_waveext)
+        mp_msg(log, lev, " - waveext\n");
+    if (s->allow_any)
+        mp_msg(log, lev, " - anything\n");
+}

audio/chmap_sel.h

@@ -45,4 +45,7 @@ bool mp_chmap_sel_fallback(const struct mp_chmap_sel *s, struct mp_chmap *map);
 bool mp_chmap_sel_get_def(const struct mp_chmap_sel *s, struct mp_chmap *map,
                           int num);
 
+struct mp_log;
+void mp_chmal_sel_log(const struct mp_chmap_sel *s, struct mp_log *log, int lev);
+
 #endif

audio/out/ao.c

@@ -421,18 +421,11 @@ void ao_hotplug_event(struct ao *ao)
 bool ao_chmap_sel_adjust(struct ao *ao, const struct mp_chmap_sel *s,
                          struct mp_chmap *map)
 {
-    if (mp_msg_test(ao->log, MSGL_DEBUG)) {
-        for (int i = 0; i < s->num_chmaps; i++) {
-            struct mp_chmap c = s->chmaps[i];
-            MP_DBG(ao, "chmap_sel #%d: %s (%s)\n", i, mp_chmap_to_str(&c),
-                   mp_chmap_to_str_hr(&c));
-        }
-    }
+    MP_VERBOSE(ao, "Channel layouts:\n");
+    mp_chmal_sel_log(s, ao->log, MSGL_V);
     bool r = mp_chmap_sel_adjust(s, map);
-    if (r) {
-        MP_DBG(ao, "result: %s (%s)\n", mp_chmap_to_str(map),
-               mp_chmap_to_str_hr(map));
-    }
+    if (r)
+        MP_VERBOSE(ao, "result: %s\n", mp_chmap_to_str(map));
     return r;
 }
 

audio/out/ao_alsa.c

@@ -328,9 +328,9 @@ static bool query_chmaps(struct ao *ao, struct mp_chmap *chmap)
         if (mp_chmap_is_valid(&entry)) {
             if (maps[i]->type == SND_CHMAP_TYPE_VAR)
                 mp_chmap_reorder_norm(&entry);
-            MP_VERBOSE(ao, "Got supported channel map: %s (type %s)\n",
-                       mp_chmap_to_str(&entry),
-                       snd_pcm_chmap_type_name(maps[i]->type));
+            MP_DBG(ao, "Got supported channel map: %s (type %s)\n",
+                   mp_chmap_to_str(&entry),
+                   snd_pcm_chmap_type_name(maps[i]->type));
             mp_chmap_sel_add_map(&chmap_sel, &entry);
         } else {
             char tmp[128];

audio/out/ao_wasapi_utils.c

@@ -486,10 +486,8 @@ static bool search_channels(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
             }
         } else {
             change_waveformat_channels(wformat, &entry);
-            if (try_format_exclusive(ao, wformat)) {
+            if (try_format_exclusive(ao, wformat))
                 mp_chmap_sel_add_map(&chmap_sel, &entry);
-                MP_VERBOSE(ao, "%s is supported\n", mp_chmap_to_str(&entry));
-            }
         }
     }