1 /* GStreamer
2 * Copyright (C) <2007> Wim Taymans <wim.taymans@gmail.com>
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 #include <gst/gst.h>
26
27 #define UPDATE_INTERVAL 500
28
29 static int arg_count;
30 static int max_count;
31
32 static gboolean
update_scale(GstElement * element)33 update_scale (GstElement * element)
34 {
35 gint64 duration = -1;
36 gint64 position = -1;
37 gchar dur_str[32], pos_str[32];
38
39 if (gst_element_query_position (element, GST_FORMAT_TIME, &position) &&
40 position != -1) {
41 g_snprintf (pos_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (position));
42 } else {
43 g_snprintf (pos_str, 32, "-:--:--.---------");
44 }
45
46 if (gst_element_query_duration (element, GST_FORMAT_TIME, &duration) &&
47 duration != -1) {
48 g_snprintf (dur_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (duration));
49 } else {
50 g_snprintf (dur_str, 32, "-:--:--.---------");
51 }
52
53 g_print ("%s / %s\n", pos_str, dur_str);
54
55 return TRUE;
56 }
57
58 static void
warning_cb(GstBus * bus,GstMessage * msg,gpointer foo)59 warning_cb (GstBus * bus, GstMessage * msg, gpointer foo)
60 {
61 GError *err = NULL;
62 gchar *dbg = NULL;
63
64 gst_message_parse_warning (msg, &err, &dbg);
65
66 g_printerr ("WARNING: %s (%s)\n", err->message, (dbg) ? dbg : "no details");
67
68 g_error_free (err);
69 g_free (dbg);
70 }
71
72 static void
error_cb(GstBus * bus,GstMessage * msg,GMainLoop * main_loop)73 error_cb (GstBus * bus, GstMessage * msg, GMainLoop * main_loop)
74 {
75 GError *err = NULL;
76 gchar *dbg = NULL;
77
78 gst_message_parse_error (msg, &err, &dbg);
79
80 g_printerr ("ERROR: %s (%s)\n", err->message, (dbg) ? dbg : "no details");
81
82 g_main_loop_quit (main_loop);
83
84 g_error_free (err);
85 g_free (dbg);
86 }
87
88 static void
eos_cb(GstBus * bus,GstMessage * msg,GMainLoop * main_loop)89 eos_cb (GstBus * bus, GstMessage * msg, GMainLoop * main_loop)
90 {
91 g_print ("EOS\n");
92 g_main_loop_quit (main_loop);
93 }
94
95 static void
new_clock_cb(GstBus * bus,GstMessage * msg,gpointer nothing)96 new_clock_cb (GstBus * bus, GstMessage * msg, gpointer nothing)
97 {
98 GstClock *clock;
99
100 gst_message_parse_new_clock (msg, &clock);
101 g_print ("NEW CLOCK: %s\n", GST_OBJECT_NAME (clock));
102 }
103
104 static void
clock_lost_cb(GstBus * bus,GstMessage * msg,GstElement * playbin)105 clock_lost_cb (GstBus * bus, GstMessage * msg, GstElement * playbin)
106 {
107 GstClock *clock;
108
109 gst_message_parse_clock_lost (msg, &clock);
110 g_print ("CLOCK LOST: %s\n", GST_OBJECT_NAME (clock));
111
112 gst_element_set_state (playbin, GST_STATE_PAUSED);
113 gst_element_set_state (playbin, GST_STATE_PLAYING);
114 }
115
116 static void
about_to_finish_cb(GstElement * element,gchar * uri[])117 about_to_finish_cb (GstElement * element, gchar * uri[])
118 {
119 if (arg_count < max_count) {
120 g_object_set (G_OBJECT (element), "uri", uri[arg_count], NULL);
121 arg_count++;
122 }
123 }
124
125 gint
main(gint argc,gchar * argv[])126 main (gint argc, gchar * argv[])
127 {
128 GstStateChangeReturn res;
129 GstElement *player;
130 GMainLoop *loop;
131 GstBus *bus;
132
133 gst_init (&argc, &argv);
134
135 loop = g_main_loop_new (NULL, TRUE);
136
137 if (argc < 2) {
138 g_print ("usage: %s <uri> [<uri> ... ]\n", argv[0]);
139 exit (-1);
140 }
141
142 player = gst_element_factory_make ("playbin", "player");
143 g_assert (player);
144
145 bus = gst_pipeline_get_bus (GST_PIPELINE (player));
146 gst_bus_add_signal_watch (bus);
147
148 g_signal_connect (bus, "message::eos", G_CALLBACK (eos_cb), loop);
149 g_signal_connect (bus, "message::error", G_CALLBACK (error_cb), loop);
150 g_signal_connect (bus, "message::warning", G_CALLBACK (warning_cb), NULL);
151 g_signal_connect (bus, "message::new-clock", G_CALLBACK (new_clock_cb), NULL);
152 g_signal_connect (bus, "message::clock-lost", G_CALLBACK (clock_lost_cb),
153 player);
154
155 g_object_set (G_OBJECT (player), "uri", argv[1], NULL);
156
157 arg_count = 2;
158 max_count = argc;
159 g_signal_connect (player, "about-to-finish", G_CALLBACK (about_to_finish_cb),
160 argv);
161
162 res = gst_element_set_state (player, GST_STATE_PLAYING);
163 if (res == GST_STATE_CHANGE_FAILURE) {
164 g_print ("could not play\n");
165 return -1;
166 }
167
168 g_timeout_add (UPDATE_INTERVAL, (GSourceFunc) update_scale, player);
169
170 g_main_loop_run (loop);
171
172 /* tidy up */
173 gst_element_set_state (player, GST_STATE_NULL);
174 gst_object_unref (player);
175 gst_object_unref (bus);
176
177 return 0;
178 }
179