gstreamer/examples/test-netclock.c

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/* GStreamer
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.com>
* Copyright (C) 2014 Jan Schmidt <jan@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
#include <gst/net/gstnettimeprovider.h>
#include <gst/rtsp-server/rtsp-server.h>
GstClock *global_clock;
#define TEST_TYPE_RTSP_MEDIA_FACTORY (test_rtsp_media_factory_get_type ())
#define TEST_TYPE_RTSP_MEDIA (test_rtsp_media_get_type ())
GType test_rtsp_media_factory_get_type (void);
GType test_rtsp_media_get_type (void);
static GstRTSPMediaFactory *test_rtsp_media_factory_new (void);
static GstElement *create_pipeline (GstRTSPMediaFactory * factory,
GstRTSPMedia * media);
typedef struct TestRTSPMediaFactoryClass TestRTSPMediaFactoryClass;
typedef struct TestRTSPMediaFactory TestRTSPMediaFactory;
struct TestRTSPMediaFactoryClass
{
GstRTSPMediaFactoryClass parent;
};
struct TestRTSPMediaFactory
{
GstRTSPMediaFactory parent;
};
typedef struct TestRTSPMediaClass TestRTSPMediaClass;
typedef struct TestRTSPMedia TestRTSPMedia;
struct TestRTSPMediaClass
{
GstRTSPMediaClass parent;
};
struct TestRTSPMedia
{
GstRTSPMedia parent;
};
GstRTSPMediaFactory *
test_rtsp_media_factory_new (void)
{
GstRTSPMediaFactory *result;
result = g_object_new (TEST_TYPE_RTSP_MEDIA_FACTORY, NULL);
return result;
}
G_DEFINE_TYPE (TestRTSPMediaFactory, test_rtsp_media_factory,
GST_TYPE_RTSP_MEDIA_FACTORY);
static gboolean custom_setup_rtpbin (GstRTSPMedia * media, GstElement * rtpbin);
static void
test_rtsp_media_factory_class_init (TestRTSPMediaFactoryClass * test_klass)
{
GstRTSPMediaFactoryClass *mf_klass =
(GstRTSPMediaFactoryClass *) (test_klass);
mf_klass->create_pipeline = create_pipeline;
}
static void
test_rtsp_media_factory_init (TestRTSPMediaFactory * factory)
{
}
static GstElement *
create_pipeline (GstRTSPMediaFactory * factory, GstRTSPMedia * media)
{
GstElement *pipeline;
pipeline = gst_pipeline_new ("media-pipeline");
gst_pipeline_use_clock (GST_PIPELINE (pipeline), global_clock);
gst_rtsp_media_take_pipeline (media, GST_PIPELINE_CAST (pipeline));
return pipeline;
}
G_DEFINE_TYPE (TestRTSPMedia, test_rtsp_media, GST_TYPE_RTSP_MEDIA);
static void
test_rtsp_media_class_init (TestRTSPMediaClass * test_klass)
{
GstRTSPMediaClass *klass = (GstRTSPMediaClass *) (test_klass);
klass->setup_rtpbin = custom_setup_rtpbin;
}
static void
test_rtsp_media_init (TestRTSPMedia * media)
{
}
static gboolean
custom_setup_rtpbin (GstRTSPMedia * media, GstElement * rtpbin)
{
g_object_set (rtpbin, "ntp-time-source", 3, NULL);
return TRUE;
}
int
main (int argc, char *argv[])
{
GMainLoop *loop;
GstRTSPServer *server;
GstRTSPMountPoints *mounts;
GstRTSPMediaFactory *factory;
gst_init (&argc, &argv);
if (argc < 2) {
g_print ("usage: %s <launch line> \n"
"example: %s \"( videotestsrc is-live=true ! x264enc ! rtph264pay name=pay0 pt=96 )\"\n"
"Pipeline must be live for synchronisation to work properly with this method!\n",
argv[0], argv[0]);
return -1;
}
loop = g_main_loop_new (NULL, FALSE);
global_clock = gst_system_clock_obtain ();
gst_net_time_provider_new (global_clock, "0.0.0.0", 8554);
/* create a server instance */
server = gst_rtsp_server_new ();
/* get the mount points for this server, every server has a default object
* that be used to map uri mount points to media factories */
mounts = gst_rtsp_server_get_mount_points (server);
/* make a media factory for a test stream. The default media factory can use
* gst-launch syntax to create pipelines.
* any launch line works as long as it contains elements named pay%d. Each
* element with pay%d names will be a stream */
factory = test_rtsp_media_factory_new ();
gst_rtsp_media_factory_set_launch (factory, argv[1]);
gst_rtsp_media_factory_set_shared (GST_RTSP_MEDIA_FACTORY (factory), TRUE);
gst_rtsp_media_factory_set_media_gtype (GST_RTSP_MEDIA_FACTORY (factory),
TEST_TYPE_RTSP_MEDIA);
/* attach the test factory to the /test url */
gst_rtsp_mount_points_add_factory (mounts, "/test", factory);
/* don't need the ref to the mapper anymore */
g_object_unref (mounts);
/* attach the server to the default maincontext */
gst_rtsp_server_attach (server, NULL);
/* start serving */
g_print ("stream ready at rtsp://127.0.0.1:8554/test\n");
g_main_loop_run (loop);
return 0;
}