gstreamer/subprojects/gst-rtsp-server/examples/test-launch.c
Nirbheek Chauhan a8d8201dda gst-rtsp-server: Dump test-launch debug graph every 5 seconds
This also serves as an example of how to fetch the pipeline from
a running media and doing something else with it.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5928>
2024-01-26 17:36:41 +00:00

125 lines
4.2 KiB
C

/* GStreamer
* Copyright (C) 2008 Wim Taymans <wim.taymans at gmail.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/rtsp-server/rtsp-server.h>
#define DEFAULT_RTSP_PORT "8554"
#define DEFAULT_MOUNT "/test"
#define DEFAULT_DISABLE_RTCP FALSE
static char *port = (char *) DEFAULT_RTSP_PORT;
static char *mount = (char *) DEFAULT_MOUNT;
static gboolean disable_rtcp = DEFAULT_DISABLE_RTCP;
static GOptionEntry entries[] = {
{"port", 'p', 0, G_OPTION_ARG_STRING, &port,
"Port to listen on (default: " DEFAULT_RTSP_PORT ")", "PORT"},
{"mount", 'm', 0, G_OPTION_ARG_STRING, &mount,
"Mountpoint (default: " DEFAULT_MOUNT ")", "MOUNT"},
{"disable-rtcp", '\0', 0, G_OPTION_ARG_NONE, &disable_rtcp,
"Whether RTCP should be disabled (default false)", NULL},
{NULL}
};
static gboolean
dump_debug (gpointer user_data)
{
GstObject *pipe;
GWeakRef *ref = user_data;
GstElement *e = g_weak_ref_get (ref);
if (!e)
return G_SOURCE_REMOVE;
pipe = gst_element_get_parent (GST_ELEMENT (e));
GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (pipe), GST_DEBUG_GRAPH_SHOW_ALL,
"rtsp-server-test-launch");
return G_SOURCE_CONTINUE;
}
static void
constructed (GstRTSPMediaFactory * self G_GNUC_UNUSED, GstRTSPMedia * m,
gpointer user_data G_GNUC_UNUSED)
{
GstElement *e = gst_rtsp_media_get_element (m);
GWeakRef *ref = g_new0 (GWeakRef, 1);
g_weak_ref_set (ref, e);
dump_debug (ref);
g_timeout_add_seconds (5, dump_debug, ref);
}
int
main (int argc, char *argv[])
{
GMainLoop *loop;
GstRTSPServer *server;
GstRTSPMountPoints *mounts;
GstRTSPMediaFactory *factory;
GOptionContext *optctx;
GError *error = NULL;
optctx = g_option_context_new ("<launch line> - Test RTSP Server, Launch\n\n"
"Example: \"( videotestsrc ! x264enc ! rtph264pay name=pay0 pt=96 )\"");
g_option_context_add_main_entries (optctx, entries, NULL);
g_option_context_add_group (optctx, gst_init_get_option_group ());
if (!g_option_context_parse (optctx, &argc, &argv, &error)) {
g_printerr ("Error parsing options: %s\n", error->message);
g_option_context_free (optctx);
g_clear_error (&error);
return -1;
}
g_option_context_free (optctx);
loop = g_main_loop_new (NULL, FALSE);
/* create a server instance */
server = gst_rtsp_server_new ();
g_object_set (server, "service", port, NULL);
/* 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 = gst_rtsp_media_factory_new ();
gst_rtsp_media_factory_set_launch (factory, argv[1]);
gst_rtsp_media_factory_set_shared (factory, TRUE);
gst_rtsp_media_factory_set_enable_rtcp (factory, !disable_rtcp);
g_signal_connect (factory, "media-constructed", G_CALLBACK (constructed),
NULL);
/* attach the test factory to the mount url */
gst_rtsp_mount_points_add_factory (mounts, mount, 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:%s%s\n", port, mount);
g_main_loop_run (loop);
return 0;
}