gstreamer/gst/playback/test3.c
Tim-Philipp Müller a04b000bf4 ext/vorbis/vorbisenc.c: Implement position and duration queries.
Original commit message from CVS:
* ext/vorbis/vorbisenc.c: (gst_vorbisenc_get_query_types),
(gst_vorbisenc_src_query):
Implement position and duration queries.
* gst/playback/test3.c: (update_scale), (main):
Fix for async state changes and print nicer output.
2005-10-20 19:06:43 +00:00

74 lines
2.1 KiB
C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gst/gst.h>
#define UPDATE_INTERVAL 500
static gboolean
update_scale (GstElement * element)
{
gint64 duration = -1;
gint64 position = -1;
GstFormat format = GST_FORMAT_TIME;
gchar dur_str[32], pos_str[32];
if (gst_element_query_position (element, &format, &position) &&
position != -1) {
g_snprintf (pos_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (position));
} else {
g_snprintf (pos_str, 32, "-:--:--.---------");
}
if (gst_element_query_duration (element, &format, &duration) &&
duration != -1) {
g_snprintf (dur_str, 32, "%" GST_TIME_FORMAT, GST_TIME_ARGS (duration));
} else {
g_snprintf (dur_str, 32, "-:--:--.---------");
}
g_print ("%s / %s\n", pos_str, dur_str);
return TRUE;
}
gint
main (gint argc, gchar * argv[])
{
GstElement *player;
GstStateChangeReturn res;
gst_init (&argc, &argv);
player = gst_element_factory_make ("playbin", "player");
g_assert (player);
g_object_set (G_OBJECT (player), "uri", argv[1], NULL);
res = gst_element_set_state (player, GST_STATE_PLAYING);
if (res == GST_STATE_CHANGE_FAILURE) {
g_print ("could not play\n");
return -1;
}
g_timeout_add (UPDATE_INTERVAL, (GSourceFunc) update_scale, player);
g_main_loop_run (g_main_loop_new (NULL, TRUE));
return 0;
}