gstreamer/tests/threadstate/threadstate5.c

#include <stdlib.h>
#include <gst/gst.h>

/* this pipeline is:
 * { fakesrc ! { queue ! fakesink } }
 */

int main(int argc,char *argv[]) 
{
  GstElement *fakesrc, *fakesink;
  GstElement *thread, *thread2;
  GstElement *queue;
  gint x;

  gst_init(&argc,&argv);

  thread = gst_thread_new("thread");
  g_assert(thread != NULL);

  thread2 = gst_thread_new("thread");
  g_assert(thread2 != NULL);

  queue = gst_element_factory_make("queue", "the_queue");
  g_assert(queue != NULL);

  fakesrc = gst_element_factory_make("fakesrc", "fake_source");
  g_assert(fakesrc != NULL);

  fakesink = gst_element_factory_make("fakesink", "fake_sink");
  g_assert(fakesink != NULL);

  gst_bin_add_many (GST_BIN(thread), fakesrc, thread2, NULL);
  gst_bin_add_many (GST_BIN(thread2), queue, fakesink, NULL);

  gst_element_add_ghost_pad (thread2, gst_element_get_pad (queue, "sink"), "sink");
  gst_element_link_many (queue, fakesink, NULL);
  gst_element_link_many (fakesrc, thread2, NULL);

  for (x = 0 ; x < 10 ; x++){
    g_print("playing %d\n", x);
    gst_element_set_state(thread, GST_STATE_PLAYING);
    g_usleep (G_USEC_PER_SEC);

    g_print("nulling %d\n", x);
    gst_element_set_state(thread, GST_STATE_NULL);
    g_usleep (G_USEC_PER_SEC);
  }

  exit(0);
}