To provide 2 mountpoints for GstRTSPServer

watertreader watertreader at hotmail.com
Thu Apr 15 07:28:58 UTC 2021


Hi

I have try to modify /test-readme.c in the Github program. to test for two
independent pipeline to be mounted on the same server 
1)  videotestsrc pattern=snow ! vpuenc_h264 ! rtph264pay name=pay0 pt=96
2) videotestsrc pattern=pinwheel ! vpuenc_h264 ! rtph264pay name=pay1 pt=97

but I couldnt get the stream.

However when I changed the rtph264pay name to be pay0 for both 1 and 2.
There I could get stream from video but only from the latter pipeline... It
seem that latter pipeline overwritten the older pipeline

Can I know is my approach correct?

Below is my code
===================  CODE ======================
#include <gst/gst.h>
#include <gst/rtsp-server/rtsp-server.h>

int
main (int argc, char *argv[])
{
  GMainLoop *loop;
  GstRTSPServer *server;
  GstRTSPMountPoints *mounts;
  GstRTSPMediaFactory *factory;

  gst_init (&argc, &argv);

  loop = g_main_loop_new (NULL, FALSE);

  /* 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 = gst_rtsp_media_factory_new ();
  gst_rtsp_media_factory_set_launch (factory,
      "( videotestsrc pattern=snow ! vpuenc_h264 ! rtph264pay name=pay0
pt=96 )");

  gst_rtsp_media_factory_set_shared (factory, TRUE);

  /* attach the test factory to the /test url */
  gst_rtsp_mount_points_add_factory (mounts, "/test0", factory);

  gst_rtsp_media_factory_set_launch (factory,
        "( videotestsrc pattern=pinwheel ! vpuenc_h264 ! rtph264pay
name=pay1 pt=97 )");

  gst_rtsp_media_factory_set_shared (factory, TRUE);

  /* attach the test factory to the /test url */
  gst_rtsp_mount_points_add_factory (mounts, "/test1", 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_main_loop_run (loop);

  return 0;
}

============== CODE ===================

Regards



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