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source: send latency to client

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Send the latency to the client and use this to configure the pinossrc
element latency correctly.
This commit is contained in:
Wim Taymans 2016-04-28 11:18:10 +02:00
parent 1c16fd5533
commit f3053c963d
3 changed files with 103 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

93
pinos/gst/gstpinossrc.c
View file

@ -86,6 +86,7 @@ static gboolean gst_pinos_src_unlock_stop (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_start (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_stop (GstBaseSrc * basesrc);
static gboolean gst_pinos_src_event (GstBaseSrc * src, GstEvent * event);
static gboolean gst_pinos_src_query (GstBaseSrc * src, GstQuery * query);
static void
gst_pinos_src_set_property (GObject * object, guint prop_id,
@ -248,6 +249,7 @@ gst_pinos_src_class_init (GstPinosSrcClass * klass)
gstbasesrc_class->start = gst_pinos_src_start;
gstbasesrc_class->stop = gst_pinos_src_stop;
gstbasesrc_class->event = gst_pinos_src_event;
gstbasesrc_class->query = gst_pinos_src_query;
gstpushsrc_class->create = gst_pinos_src_create;
GST_DEBUG_CATEGORY_INIT (pinos_src_debug, "pinossrc", 0,
@ -489,6 +491,44 @@ on_stream_notify (GObject *gobject,
pinos_main_loop_signal (pinossrc->loop, FALSE);
}
static void
parse_clock_info (GstPinosSrc *pinossrc)
{
PinosProperties *props;
const gchar *var;
g_object_get (pinossrc->stream, "properties", &props, NULL);
var = pinos_properties_get (props, "pinos.clock.type");
if (var != NULL) {
GST_DEBUG_OBJECT (pinossrc, "got clock type %s", var);
if (strcmp (var, "gst.net.time.provider") == 0) {
const gchar *address;
gint port;
address = pinos_properties_get (props, "pinos.clock.address");
port = atoi (pinos_properties_get (props, "pinos.clock.port"));
GST_DEBUG_OBJECT (pinossrc, "making net clock for %s:%d", address, port);
if (pinossrc->clock)
gst_object_unref (pinossrc->clock);
pinossrc->clock = gst_net_client_clock_new ("pinosclock", address, port, 0);
}
}
var = pinos_properties_get (props, "pinos.latency.is-live");
pinossrc->is_live = var ? (atoi (var) == 1) : FALSE;
gst_base_src_set_live (GST_BASE_SRC (pinossrc), pinossrc->is_live);
var = pinos_properties_get (props, "pinos.latency.max");
pinossrc->max_latency = var ? (GstClockTime) atoi (var) : GST_CLOCK_TIME_NONE;
var = pinos_properties_get (props, "pinos.latency.min");
pinossrc->min_latency = var ? (GstClockTime) atoi (var) : 0;
pinos_properties_free (props);
}
static gboolean
gst_pinos_src_stream_start (GstPinosSrc *pinossrc, GstCaps * caps)
{
@ -512,6 +552,9 @@ gst_pinos_src_stream_start (GstPinosSrc *pinossrc, GstCaps * caps)
pinos_main_loop_wait (pinossrc->loop);
}
parse_clock_info (pinossrc);
pinos_main_loop_unlock (pinossrc->loop);
return res;
@ -523,36 +566,6 @@ start_error:
}
}
static void
parse_clock_info (GstPinosSrc *pinossrc)
{
PinosProperties *props;
const gchar *var;
g_object_get (pinossrc->stream, "properties", &props, NULL);
var = pinos_properties_get (props, "pinos.clock.type");
if (var == NULL) {
pinos_properties_free (props);
return;
}
GST_DEBUG_OBJECT (pinossrc, "got clock type %s", var);
if (strcmp (var, "gst.net.time.provider") == 0) {
const gchar *address;
gint port;
address = pinos_properties_get (props, "pinos.clock.address");
port = atoi (pinos_properties_get (props, "pinos.clock.port"));
GST_DEBUG_OBJECT (pinossrc, "making net clock for %s:%d", address, port);
if (pinossrc->clock)
gst_object_unref (pinossrc->clock);
pinossrc->clock = gst_net_client_clock_new ("pinosclock", address, port, 0);
}
pinos_properties_free (props);
}
static gboolean
gst_pinos_src_negotiate (GstBaseSrc * basesrc)
{
@ -775,6 +788,26 @@ gst_pinos_src_event (GstBaseSrc * src, GstEvent * event)
return res;
}
static gboolean
gst_pinos_src_query (GstBaseSrc * src, GstQuery * query)
{
gboolean res = FALSE;
GstPinosSrc *pinossrc;
pinossrc = GST_PINOS_SRC (src);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
gst_query_set_latency (query, pinossrc->is_live, pinossrc->min_latency, pinossrc->max_latency);
res = TRUE;
break;
default:
res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
break;
}
return res;
}
static GstFlowReturn
gst_pinos_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
{