From 0c08dbd9b926ec94084dd47069627ed6eda1c1d1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sat, 15 Aug 2009 03:41:13 +0200
Subject: core: introduce pa_{sink|source}_update_flags()

---
 src/pulsecore/sink.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

(limited to 'src/pulsecore/sink.c')

diff --git a/src/pulsecore/sink.c b/src/pulsecore/sink.c
index c1589f2d..c79aa79d 100644
--- a/src/pulsecore/sink.c
+++ b/src/pulsecore/sink.c
@@ -551,7 +551,7 @@ static void sink_free(pa_object *o) {
     pa_xfree(s);
 }
 
-/* Called from main context */
+/* Called from main context, and not while the IO thread is active, please */
 void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
     pa_sink_assert_ref(s);
     pa_assert_ctl_context();
@@ -562,6 +562,26 @@ void pa_sink_set_asyncmsgq(pa_sink *s, pa_asyncmsgq *q) {
         pa_source_set_asyncmsgq(s->monitor_source, q);
 }
 
+/* Called from main context, and not while the IO thread is active, please */
+void pa_sink_update_flags(pa_sink *s, pa_sink_flags_t mask, pa_sink_flags_t value) {
+    pa_sink_assert_ref(s);
+    pa_assert_ctl_context();
+
+    if (mask == 0)
+        return;
+
+    /* For now, allow only a minimal set of flags to be changed. */
+    pa_assert((mask & ~(PA_SINK_DYNAMIC_LATENCY|PA_SINK_LATENCY)) == 0);
+
+    s->flags = (s->flags & ~mask) | (value & mask);
+
+    pa_source_update_flags(s->monitor_source,
+                           ((mask & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
+                           ((mask & PA_SINK_DYNAMIC_LATENCY) ? PA_SOURCE_DYNAMIC_LATENCY : 0),
+                           ((value & PA_SINK_LATENCY) ? PA_SOURCE_LATENCY : 0) |
+                           ((value & PA_SINK_DYNAMIC_LATENCY) ? PA_SINK_DYNAMIC_LATENCY : 0));
+}
+
 /* Called from IO context, or before _put() from main context */
 void pa_sink_set_rtpoll(pa_sink *s, pa_rtpoll *p) {
     pa_sink_assert_ref(s);
-- 
cgit