filter-heuristics: Don't force AEC on all phone streams

Removing the bit that automatically loads module-echo-cancel for phone
streams. Clients need to specifically opt in for this now with
filter.want, until we are reasonably certain this won't break other apps
(Skype for one, possibly others).

1 files changed, 3 insertions, 8 deletions

diff --git a/src/modules/module-filter-heuristics.c b/src/modules/module-filter-heuristics.c
index 222787fc..5bb0945e 100644
--- a/src/modules/module-filter-heuristics.c
+++ b/src/modules/module-filter-heuristics.c
@@ -77,7 +77,7 @@ static pa_bool_t role_match(pa_proplist *proplist, const char *role) {
 }
 
 static pa_hook_result_t process(struct userdata *u, pa_object *o, pa_bool_t is_sink_input) {
-    const char *want, *stream_role;
+    const char *want;
     pa_proplist *pl, *parent_pl;
 
     if (is_sink_input) {
@@ -92,13 +92,6 @@ static pa_hook_result_t process(struct userdata *u, pa_object *o, pa_bool_t is_s
     if (!pa_proplist_gets(pl, PA_PROP_FILTER_HEURISTICS) && pa_proplist_gets(pl, PA_PROP_FILTER_APPLY))
         return PA_HOOK_OK;
 
-    want = pa_proplist_gets(pl, PA_PROP_FILTER_WANT);
-    if (!want) {
-        /* This is a phone stream, maybe we want echo cancellation */
-        if ((stream_role = pa_proplist_gets(pl, PA_PROP_MEDIA_ROLE)) && pa_streq(stream_role, "phone"))
-            want = "echo-cancel";
-    }
-
     /* On phone sinks, make sure we're not applying echo cancellation */
     if (role_match(parent_pl, "phone")) {
         const char *apply = pa_proplist_gets(pl, PA_PROP_FILTER_APPLY);
@@ -111,6 +104,8 @@ static pa_hook_result_t process(struct userdata *u, pa_object *o, pa_bool_t is_s
         return PA_HOOK_OK;
     }
 
+    want = pa_proplist_gets(pl, PA_PROP_FILTER_WANT);
+
     if (want) {
         /* There's a filter that we want, ask module-filter-apply to apply it, and remember that we're managing filter.apply */
         pa_proplist_sets(pl, PA_PROP_FILTER_APPLY, want);