basic-tutorial-1-cb.c

basic-tutorial-1-cb.c

#include <gst/gst.h>

#ifdef __APPLE__
#include <TargetConditionals.h>
#endif

typedef struct CustomData {
  GstElement *pipeline;
  GMainLoop *main_loop;
} CustomData;

void
eos_cb (GstBus *bus, GstMessage *msg, CustomData *data)
{
  g_main_loop_quit (data->main_loop);
}

int
tutorial_main (int argc, char *argv[])
{
  CustomData data;
  GstBus *bus;


  /* Initialize GStreamer */
  gst_init (&argc, &argv);

  /* Build the pipeline */
  data.pipeline =
      gst_parse_launch
      ("playbin uri=https://gstreamer.freedesktop.org/data/media/sintel_trailer-480p.webm",
      NULL);

  /* Start playing */
  gst_element_set_state (data.pipeline, GST_STATE_PLAYING);

  /* Wait until error or EOS */
  bus = gst_element_get_bus (data.pipeline);
  gst_bus_add_signal_watch (bus);
  g_signal_connect (G_OBJECT (bus), "message::eos", (GCallback) eos_cb, &data);

  data.main_loop = g_main_loop_new (NULL, FALSE);
  g_main_loop_run (data.main_loop);

  /* Free resources */
  gst_object_unref (bus);
  gst_element_set_state (data.pipeline, GST_STATE_NULL);
  gst_object_unref (data.pipeline);
  g_main_loop_unref (data.main_loop);
  return 0;
}

int
main (int argc, char *argv[])
{
#if defined(__APPLE__) && TARGET_OS_MAC && !TARGET_OS_IPHONE
  return gst_macos_main ((GstMainFunc) tutorial_main, argc, argv, NULL);
#else
  return tutorial_main (argc, argv);
#endif
}