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add clock

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Add a gstreamer pinos clock that reports the time at the server
This commit is contained in:
Wim Taymans 2016-09-12 12:28:51 +02:00
parent 0b380dd43e
commit f86b50d202
11 changed files with 259 additions and 72 deletions
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32
pinos/gst/gstpinossrc.c
View file

@ -48,6 +48,7 @@
#include <spa/include/spa/memory.h>
#include <spa/include/spa/buffer.h>
#include "gstpinosclock.h"
static GQuark process_mem_data_quark;
@ -269,6 +270,7 @@ gst_pinos_src_init (GstPinosSrc * src)
gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
GST_OBJECT_FLAG_SET (src, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
g_queue_init (&src->queue);
@ -523,31 +525,11 @@ parse_stream_properties (GstPinosSrc *pinossrc, PinosProperties *props)
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.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;
GstClockTime base_time;
address = pinos_properties_get (props, "pinos.clock.address");
port = atoi (pinos_properties_get (props, "pinos.clock.port"));
base_time = atoll (pinos_properties_get (props, "pinos.clock.base-time"));
GST_DEBUG_OBJECT (pinossrc, "making net clock for %s:%d %" G_GUINT64_FORMAT, address, port, base_time);
if (pinossrc->clock)
gst_object_unref (pinossrc->clock);
pinossrc->clock = gst_net_client_clock_new ("pinosclock", address, port, base_time);
gst_element_post_message (GST_ELEMENT_CAST (pinossrc),
gst_message_new_clock_provide (GST_OBJECT_CAST (pinossrc),
pinossrc->clock, TRUE));
}
}
pinossrc->is_live = TRUE;
pinossrc->min_latency = 100000000;
pinossrc->max_latency = GST_CLOCK_TIME_NONE;
}
static gboolean
gst_pinos_src_stream_start (GstPinosSrc *pinossrc)
{
@ -817,6 +799,8 @@ gst_pinos_src_query (GstBaseSrc * src, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
pinossrc->min_latency = 10000000;
pinossrc->max_latency = GST_CLOCK_TIME_NONE;
gst_query_set_latency (query, pinossrc->is_live, pinossrc->min_latency, pinossrc->max_latency);
res = TRUE;
break;
@ -1004,6 +988,7 @@ gst_pinos_src_open (GstPinosSrc * pinossrc)
g_signal_connect (pinossrc->stream, "add-buffer", (GCallback) on_add_buffer, pinossrc);
g_signal_connect (pinossrc->stream, "remove-buffer", (GCallback) on_remove_buffer, pinossrc);
g_signal_connect (pinossrc->stream, "new-buffer", (GCallback) on_new_buffer, pinossrc);
pinossrc->clock = gst_pinos_clock_new (pinossrc->stream);
pinos_main_loop_unlock (pinossrc->loop);
return TRUE;
@ -1031,6 +1016,7 @@ gst_pinos_src_close (GstPinosSrc * pinossrc)
g_main_context_unref (pinossrc->context);
GST_OBJECT_LOCK (pinossrc);
pinossrc->stream_state = PINOS_STREAM_STATE_UNCONNECTED;
g_clear_object (&pinossrc->clock);
g_clear_object (&pinossrc->stream);
GST_OBJECT_UNLOCK (pinossrc);
clear_queue (pinossrc);