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pinossrc: fix timestamp and clock handling

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Send the base-time to the client so that it can calibrarte the clock.
Wait until we are completely negotiated before completing the state
change to paused. This makes it possible to provide a clock and decide
if we are live or not.
This commit is contained in:
Wim Taymans 2016-04-28 16:42:25 +02:00
parent f3053c963d
commit b86eb22922
4 changed files with 77 additions and 34 deletions
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42
pinos/modules/gst/gst-source.c
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@ -130,6 +130,7 @@ setup_pipeline (PinosGstSource *source, GError **error)
priv->sink = gst_element_factory_make ("pinossocketsink", NULL);
g_object_set (priv->sink, "sync", TRUE,
"enable-last-sample", FALSE,
"qos", FALSE,
NULL);
gst_bin_add (GST_BIN (priv->pipeline), priv->sink);
@ -148,9 +149,6 @@ start_pipeline (PinosGstSource *source, GError **error)
PinosGstSourcePrivate *priv = source->priv;
GstCaps *res;
GstQuery *query;
GstClock *clock;
gchar *address;
gint port;
GstStateChangeReturn ret;
g_debug ("gst-source %p: starting pipeline", source);
@ -169,22 +167,6 @@ start_pipeline (PinosGstSource *source, GError **error)
gst_caps_replace (&priv->possible_formats, res);
gst_query_unref (query);
clock = gst_pipeline_get_clock (GST_PIPELINE (priv->pipeline));
if (priv->provider)
g_object_unref (priv->provider);
priv->provider = gst_net_time_provider_new (clock, NULL, 0);
g_object_get (priv->provider, "address", &address, "port", &port, NULL);
pinos_properties_set (priv->props, "pinos.clock.type", "gst.net.time.provider");
pinos_properties_set (priv->props, "pinos.clock.source", GST_OBJECT_NAME (clock));
pinos_properties_set (priv->props, "pinos.clock.address", address);
pinos_properties_setf (priv->props, "pinos.clock.port", "%d", port);
g_free (address);
gst_object_unref (clock);
return TRUE;
/* ERRORS */
@ -245,10 +227,32 @@ set_state (PinosSource *source,
case PINOS_SOURCE_STATE_RUNNING:
{
GstQuery *query;
GstClock *clock;
gchar *address;
gint port;
GstClockTime base_time;
gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
gst_element_get_state (priv->pipeline, NULL, NULL, -1);
clock = gst_pipeline_get_clock (GST_PIPELINE (priv->pipeline));
base_time = gst_clock_get_time (clock);
if (priv->provider)
g_object_unref (priv->provider);
priv->provider = gst_net_time_provider_new (clock, NULL, 0);
g_object_get (priv->provider, "address", &address, "port", &port, NULL);
pinos_properties_set (priv->props, "pinos.clock.type", "gst.net.time.provider");
pinos_properties_set (priv->props, "pinos.clock.source", GST_OBJECT_NAME (clock));
pinos_properties_set (priv->props, "pinos.clock.address", address);
pinos_properties_setf (priv->props, "pinos.clock.port", "%d", port);
pinos_properties_setf (priv->props, "pinos.clock.base-time", "%"G_GUINT64_FORMAT, base_time);
g_free (address);
gst_object_unref (clock);
query = gst_query_new_latency ();
if (gst_element_query (GST_ELEMENT_CAST (priv->pipeline), query)) {
gboolean live;