add new function pa_source_set_latency_range(), fix type of requested_latency

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2456 fefdeb5f-60dc-0310-8127-8f9354f1896f

2 files changed, 22 insertions, 1 deletions

diff --git a/src/pulsecore/source.c b/src/pulsecore/source.c
index c767abcf..9425193d 100644
--- a/src/pulsecore/source.c
+++ b/src/pulsecore/source.c
@@ -786,4 +786,23 @@ void pa_source_invalidate_requested_latency(pa_source *s) {
 
     if (s->update_requested_latency)
         s->update_requested_latency(s);
+
+    if (s->monitor_of)
+        pa_sink_invalidate_requested_latency(s->monitor_of);
+}
+
+void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency) {
+    pa_source_assert_ref(s);
+
+    if (min_latency == (pa_usec_t) -1)
+        min_latency = DEFAULT_MIN_LATENCY;
+
+    if (max_latency == (pa_usec_t) -1)
+        max_latency = min_latency;
+
+    pa_assert(!min_latency || !max_latency ||
+              min_latency <= max_latency);
+
+    s->min_latency = min_latency;
+    s->max_latency = max_latency;
 }
diff --git a/src/pulsecore/source.h b/src/pulsecore/source.h
index f9c9cbf9..d12659d7 100644
--- a/src/pulsecore/source.h
+++ b/src/pulsecore/source.h
@@ -111,7 +111,7 @@ struct pa_source {
         pa_bool_t soft_muted;
 
         pa_bool_t requested_latency_valid;
-        size_t requested_latency;
+        pa_usec_t requested_latency;
 
         /* Then number of bytes this source will be rewound for at
          * max */
@@ -180,6 +180,8 @@ void pa_source_set_description(pa_source *s, const char *description);
 void pa_source_set_asyncmsgq(pa_source *s, pa_asyncmsgq *q);
 void pa_source_set_rtpoll(pa_source *s, pa_rtpoll *p);
 
+void pa_source_set_latency_range(pa_source *s, pa_usec_t min_latency, pa_usec_t max_latency);
+
 void pa_source_detach(pa_source *s);
 void pa_source_attach(pa_source *s);