1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Library General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Library General Public License for more details.
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22 #ifdef HAVE_STDLIB_H
23 #include <stdlib.h>             /* exit() */
24 #endif
25 #ifdef HAVE_UNISTD_H
26 #include <unistd.h>
27 #endif
28 
29 #include <gst/gst.h>
30 
31 static GMainLoop *loop;
32 
33 static void
error_eos_cb(GstBus * bus,GstMessage * msg,GMainLoop * main_loop)34 error_eos_cb (GstBus * bus, GstMessage * msg, GMainLoop * main_loop)
35 {
36   g_main_loop_quit (main_loop);
37 }
38 
39 gint
main(gint argc,gchar * argv[])40 main (gint argc, gchar * argv[])
41 {
42   GstElement *player;
43   GstStateChangeReturn res;
44   GstBus *bus;
45 
46   gst_init (&argc, &argv);
47 
48   player = gst_element_factory_make ("playbin", "player");
49   g_assert (player);
50 
51   if (argc < 2) {
52     g_print ("usage: %s <uri>\n", argv[0]);
53     exit (-1);
54   }
55 
56   loop = g_main_loop_new (NULL, TRUE);
57   bus = gst_pipeline_get_bus (GST_PIPELINE (player));
58   gst_bus_add_signal_watch (bus);
59 
60   g_signal_connect (bus, "message::eos", G_CALLBACK (error_eos_cb), loop);
61   g_signal_connect (bus, "message::error", G_CALLBACK (error_eos_cb), loop);
62 
63   g_object_set (G_OBJECT (player), "uri", argv[1], NULL);
64 
65   g_print ("play...\n");
66   res = gst_element_set_state (player, GST_STATE_PLAYING);
67   if (res == GST_STATE_CHANGE_FAILURE) {
68     g_print ("could not play\n");
69     return -1;
70   }
71 
72   g_print ("sleep 2...\n");
73   g_usleep (2 * G_USEC_PER_SEC);
74 
75   g_print ("pause...\n");
76   res = gst_element_set_state (player, GST_STATE_PAUSED);
77   if (res == GST_STATE_CHANGE_FAILURE) {
78     g_print ("could not pause\n");
79     return -1;
80   }
81 
82   g_print ("sleep 2...\n");
83   g_usleep (2 * G_USEC_PER_SEC);
84 
85   g_print ("play...\n");
86   res = gst_element_set_state (player, GST_STATE_PLAYING);
87   if (res == GST_STATE_CHANGE_FAILURE) {
88     g_print ("could not play\n");
89     return -1;
90   }
91 
92   g_print ("sleep 2...\n");
93   g_usleep (2 * G_USEC_PER_SEC);
94 
95   g_print ("ready...\n");
96   res = gst_element_set_state (player, GST_STATE_READY);
97   if (res != GST_STATE_CHANGE_SUCCESS) {
98     g_print ("could not play\n");
99     return -1;
100   }
101 
102   g_print ("sleep 2...\n");
103   g_usleep (2 * G_USEC_PER_SEC);
104 
105   g_print ("play...\n");
106   res = gst_element_set_state (player, GST_STATE_PLAYING);
107   if (res == GST_STATE_CHANGE_FAILURE) {
108     g_print ("could not play\n");
109     return -1;
110   }
111 
112   g_main_loop_run (loop);
113 
114   return 0;
115 }
116