static gboolean
_latency_query (GstAggregator * self, GstPad * pad, gpointer user_data)
{
LatencyData *data = user_data;
GstClockTime min, max;
GstQuery *query;
gboolean live, res;
query = gst_query_new_latency ();
res = gst_pad_peer_query (pad, query);
if (res) {
gst_query_parse_latency (query, &live, &min, &max);
GST_LOG_OBJECT (self, "got latency live:%s min:%" G_GINT64_FORMAT
" max:%" G_GINT64_FORMAT, live ? "true" : "false", min, max);
if (min > data->min)
data->min = min;
if (max != GST_CLOCK_TIME_NONE &&
((data->max != GST_CLOCK_TIME_NONE && max < data->max) ||
(data->max == GST_CLOCK_TIME_NONE)))
data->max = max;
data->live |= live;
}
gst_query_unref (query);
return TRUE;
}
static VALUE
latency_initialize(VALUE self)
{
GstQuery *query;
query = gst_query_new_latency();
G_INITIALIZE(self, query);
return Qnil;
}
uint64_t ofGstUtils::getMaxLatencyNanos(){
GstClockTime minlat=0, maxlat=0;
GstQuery * q = gst_query_new_latency();
if (gst_element_query (gstPipeline, q)) {
gboolean live;
gst_query_parse_latency (q, &live, &minlat, &maxlat);
}
gst_query_unref (q);
return maxlat;
}
static void
query_upstream_latency (MpegTSBase * base)
{
GstQuery *query;
query = gst_query_new_latency ();
if (gst_pad_peer_query (base->sinkpad, query)) {
gst_query_parse_latency (query, &base->upstream_live, NULL, NULL);
GST_DEBUG_OBJECT (base, "Upstream is %s",
base->upstream_live ? "LIVE" : "NOT LIVE");
} else
GST_WARNING_OBJECT (base, "Failed to query upstream latency");
gst_query_unref (query);
base->queried_latency = TRUE;
}
static gboolean
gst_webrtc_echo_probe_src_event (GstBaseTransform * btrans, GstEvent * event)
{
GstBaseTransformClass *klass;
GstWebrtcEchoProbe *self = GST_WEBRTC_ECHO_PROBE (btrans);
GstClockTime latency;
GstClockTime upstream_latency = 0;
GstQuery *query;
klass = GST_BASE_TRANSFORM_CLASS (gst_webrtc_echo_probe_parent_class);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_LATENCY:
gst_event_parse_latency (event, &latency);
query = gst_query_new_latency ();
if (gst_pad_query (btrans->srcpad, query)) {
gst_query_parse_latency (query, NULL, &upstream_latency, NULL);
if (!GST_CLOCK_TIME_IS_VALID (upstream_latency))
upstream_latency = 0;
}
GST_WEBRTC_ECHO_PROBE_LOCK (self);
self->latency = latency;
self->delay = upstream_latency / GST_MSECOND;
GST_WEBRTC_ECHO_PROBE_UNLOCK (self);
GST_DEBUG_OBJECT (self, "We have a latency of %" GST_TIME_FORMAT
" and delay of %ims", GST_TIME_ARGS (latency),
(gint) (upstream_latency / GST_MSECOND));
break;
default:
break;
}
return klass->src_event (btrans, event);
}
static gboolean
gst_adder_query_latency (GstAdder * adder, GstQuery * query)
{
GstClockTime min, max;
gboolean live;
gboolean res;
GstIterator *it;
gboolean done;
res = TRUE;
done = FALSE;
live = FALSE;
min = 0;
max = GST_CLOCK_TIME_NONE;
/* Take maximum of all latency values */
it = gst_element_iterate_sink_pads (GST_ELEMENT_CAST (adder));
while (!done) {
GstIteratorResult ires;
gpointer item;
ires = gst_iterator_next (it, &item);
switch (ires) {
case GST_ITERATOR_DONE:
done = TRUE;
break;
case GST_ITERATOR_OK:
{
GstPad *pad = GST_PAD_CAST (item);
GstQuery *peerquery;
GstClockTime min_cur, max_cur;
gboolean live_cur;
peerquery = gst_query_new_latency ();
/* Ask peer for latency */
res &= gst_pad_peer_query (pad, peerquery);
/* take max from all valid return values */
if (res) {
gst_query_parse_latency (peerquery, &live_cur, &min_cur, &max_cur);
if (min_cur > min)
min = min_cur;
if (max_cur != GST_CLOCK_TIME_NONE &&
((max != GST_CLOCK_TIME_NONE && max_cur > max) ||
(max == GST_CLOCK_TIME_NONE)))
max = max_cur;
live = live || live_cur;
}
gst_query_unref (peerquery);
gst_object_unref (pad);
break;
}
case GST_ITERATOR_RESYNC:
live = FALSE;
min = 0;
max = GST_CLOCK_TIME_NONE;
res = TRUE;
gst_iterator_resync (it);
break;
default:
res = FALSE;
done = TRUE;
break;
}
}
gst_iterator_free (it);
if (res) {
/* store the results */
GST_DEBUG_OBJECT (adder, "Calculated total latency: live %s, min %"
GST_TIME_FORMAT ", max %" GST_TIME_FORMAT,
(live ? "yes" : "no"), GST_TIME_ARGS (min), GST_TIME_ARGS (max));
gst_query_set_latency (query, live, min, max);
}
return res;
}
static gboolean
gst_pipeline_do_latency (GstBin * bin)
{
GstPipeline *pipeline = GST_PIPELINE (bin);
GstQuery *query;
GstClockTime latency;
GstClockTime min_latency, max_latency;
gboolean res;
GST_OBJECT_LOCK (pipeline);
latency = pipeline->priv->latency;
GST_OBJECT_UNLOCK (pipeline);
if (latency == GST_CLOCK_TIME_NONE)
return GST_BIN_CLASS (parent_class)->do_latency (bin);
GST_DEBUG_OBJECT (pipeline, "querying latency");
query = gst_query_new_latency ();
if ((res = gst_element_query (GST_ELEMENT_CAST (pipeline), query))) {
gboolean live;
gst_query_parse_latency (query, &live, &min_latency, &max_latency);
GST_DEBUG_OBJECT (pipeline,
"got min latency %" GST_TIME_FORMAT ", max latency %"
GST_TIME_FORMAT ", live %d", GST_TIME_ARGS (min_latency),
GST_TIME_ARGS (max_latency), live);
if (max_latency < min_latency) {
/* this is an impossible situation, some parts of the pipeline might not
* work correctly. We post a warning for now. */
GST_ELEMENT_WARNING (pipeline, CORE, CLOCK, (NULL),
("Impossible to configure latency: max %" GST_TIME_FORMAT " < min %"
GST_TIME_FORMAT ". Add queues or other buffering elements.",
GST_TIME_ARGS (max_latency), GST_TIME_ARGS (min_latency)));
}
if (latency < min_latency) {
/* This is a problematic situation as we will most likely drop lots of
* data if we configure a too low latency */
GST_ELEMENT_WARNING (pipeline, CORE, CLOCK, (NULL),
("Configured latency is lower than detected minimum latency: configured %"
GST_TIME_FORMAT " < min %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency), GST_TIME_ARGS (min_latency)));
}
} else {
/* this is not a real problem, we just don't configure any latency. */
GST_WARNING_OBJECT (pipeline, "failed to query latency");
}
gst_query_unref (query);
/* configure latency on elements */
res =
gst_element_send_event (GST_ELEMENT_CAST (pipeline),
gst_event_new_latency (latency));
if (res) {
GST_INFO_OBJECT (pipeline, "configured latency of %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency));
} else {
GST_WARNING_OBJECT (pipeline,
"did not really configure latency of %" GST_TIME_FORMAT,
GST_TIME_ARGS (latency));
}
return res;
}
static gboolean
hls_test_bus_message (InsanityGstPipelineTest * ptest, GstMessage * msg)
{
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_BUFFERING:
{
gint per;
gst_message_parse_buffering (msg, &per);
/* First buffering happend properly, this is requiered to be able to
* start seeking */
if (G_UNLIKELY (glob_buffered == FALSE)) {
if (per == 100) {
insanity_test_validate_checklist_item (INSANITY_TEST (ptest),
"done-buffering", TRUE, NULL);
glob_buffered = TRUE;
if (glob_buffering_timeout != 0) {
g_source_remove (glob_buffering_timeout);
glob_buffering_timeout = 0;
}
} else {
glob_buffering_timeout = g_timeout_add (250,
(GSourceFunc) buffering_timeout, INSANITY_TEST (ptest));
}
}
break;
}
case GST_MESSAGE_STATE_CHANGED:
if (GST_MESSAGE_SRC (msg) == GST_OBJECT (glob_pipeline)) {
const char *validate_checklist_item = glob_validate_on_playing;
GstState oldstate, newstate, pending;
gst_message_parse_state_changed (msg, &oldstate, &newstate, &pending);
if (newstate == GST_STATE_PAUSED && oldstate == GST_STATE_READY) {
GstIterator *it;
GValue v = { 0, };
gboolean queried;
InsanityTest *test = INSANITY_TEST (ptest);
GstQuery *query = gst_query_new_latency ();
const gchar *step_message = "Could not query seeking\n";
if ((queried = gst_element_query (glob_pipeline, query))) {
gst_query_parse_latency (query, &glob_is_live, NULL, NULL);
step_message = NULL;
} else
insanity_test_printf (test, "Could not query\n");
insanity_gst_pipeline_test_set_live (ptest, glob_is_live);
insanity_test_validate_checklist_item (test, "queried-live", queried,
step_message);
gst_query_unref (query);
step_message = "Could not query seekable\n";
query = gst_query_new_seeking (GST_FORMAT_TIME);
if ((queried = gst_element_query (glob_pipeline, query))) {
gst_query_parse_seeking (query, NULL, &glob_is_seekable, NULL,
NULL);
step_message = NULL;
} else
insanity_test_printf (test, "Could not query\n");
insanity_test_validate_checklist_item (test, "queried-seekable",
queried, step_message);
gst_query_unref (query);
/* Iterate over the bins to find a hlsdemux */
it = gst_bin_iterate_recurse (GST_BIN (glob_pipeline));
if (gst_iterator_find_custom (it, (GCompareFunc) find_hlsdemux, &v,
NULL)) {
glob_hlsdemux = g_value_dup_object (&v);
}
g_value_unset (&v);
gst_iterator_free (it);
if (glob_hlsdemux != NULL) {
insanity_test_validate_checklist_item (test, "protocol-is-hls",
TRUE, "HLS protocol in use");
gst_object_unref (glob_hlsdemux);
} else {
insanity_test_validate_checklist_item (test, "protocol-is-hls",
FALSE, "HLS protocol in use");
insanity_test_done (test);
}
/* Watch pipeline only if seekable */
if (glob_is_seekable)
watch_pipeline (ptest);
} else if (newstate == GST_STATE_PLAYING
&& pending == GST_STATE_VOID_PENDING && validate_checklist_item) {
glob_validate_on_playing = NULL;
insanity_test_validate_checklist_item (INSANITY_TEST (ptest),
validate_checklist_item, TRUE, NULL);
/* let it run a couple seconds */
glob_wait_time = hls_test_get_wait_time (INSANITY_TEST (ptest));
glob_timer_id =
g_timeout_add (250, (GSourceFunc) & wait_and_end_step,
INSANITY_TEST (ptest));
}
}
break;
case GST_MESSAGE_EOS:
return FALSE;
default:
break;
}
return TRUE;
}
LatencyQueryPtr LatencyQuery::create()
{
return LatencyQueryPtr::wrap(gst_query_new_latency(), false);
}