Implement new flags DONT_INHIBIT_AUTO_SUSPEND and START_UNMUTED

[pulseaudio] / src / pulsecore / sink.c

diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index d8d1f79235eed3fd6cba595faad862a071c4af88..a6027e703cc2b999e5bab7bfd9e7009d07859a31 100644 (file)
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -991,7 +991,7 @@ unsigned pa_sink_linked_by(pa_sink *s) {
     ret = pa_idxset_size(s->inputs);
 
     /* We add in the number of streams connected to us here. Please
-     * not the asymmmetry to pa_sink_used_by()! */
+     * note the asymmmetry to pa_sink_used_by()! */
 
     if (s->monitor_source)
         ret += pa_source_linked_by(s->monitor_source);
@@ -1015,6 +1015,38 @@ unsigned pa_sink_used_by(pa_sink *s) {
     return ret - s->n_corked;
 }
 
+/* Called from main thread */
+unsigned pa_sink_check_suspend(pa_sink *s) {
+    unsigned ret;
+    pa_sink_input *i;
+    uint32_t idx;
+
+    pa_sink_assert_ref(s);
+    pa_assert(PA_SINK_IS_LINKED(s->state));
+
+    ret = 0;
+
+    for (i = PA_SINK_INPUT(pa_idxset_first(s->inputs, &idx)); i; i = PA_SINK_INPUT(pa_idxset_next(s->inputs, &idx))) {
+        pa_sink_input_state_t st;
+
+        st = pa_sink_input_get_state(i);
+        pa_assert(PA_SINK_INPUT_IS_LINKED(st));
+
+        if (st == PA_SINK_INPUT_CORKED)
+            continue;
+
+        if (i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND)
+            continue;
+
+        ret ++;
+    }
+
+    if (s->monitor_source)
+        ret += pa_source_check_suspend(s->monitor_source);
+
+    return ret;
+}
+
 /* Called from IO thread, except when it is not */
 int pa_sink_process_msg(pa_msgobject *o, int code, void *userdata, int64_t offset, pa_memchunk *chunk) {
     pa_sink *s = PA_SINK(o);