gstreamer/subprojects/gst-plugins-good/tests/interactive/videobox-test.c

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/* GStreamer interactive videobox test
*
* Copyright (C) 2008 Wim Taymans <wim.taymans@gmail.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <gst/gst.h>
static GstElement *
make_pipeline (gint type)
{
GstElement *result;
gchar *pstr;
switch (type) {
case 0:
pstr = g_strdup_printf ("videotestsrc ! videobox name=box ! "
"xvimagesink");
break;
default:
return NULL;
}
result = gst_parse_launch_full (pstr, NULL, GST_PARSE_FLAG_NONE, NULL);
g_print ("created test %d: \"%s\"\n", type, pstr);
g_free (pstr);
return result;
}
#define MAX_ROUND 500
int
main (int argc, char **argv)
{
GstElement *pipe, *box;
gint left, right;
gint top, bottom;
gint ldir, rdir;
gint tdir, bdir;
gint round, type, stop;
gst_init (&argc, &argv);
type = 0;
stop = -1;
if (argc > 1) {
type = atoi (argv[1]);
stop = type + 1;
}
while (TRUE) {
GstMessage *message;
pipe = make_pipeline (type);
if (pipe == NULL)
break;
box = gst_bin_get_by_name (GST_BIN (pipe), "box");
g_assert (box);
top = bottom = left = right = 0;
tdir = bdir = -10;
ldir = rdir = 10;
for (round = 0; round < MAX_ROUND; round++) {
g_print ("box to %4d %4d %4d %4d (%d/%d) \r", top, bottom, left, right,
round, MAX_ROUND);
g_object_set (box, "top", top, "bottom", bottom, "left", left, "right",
right, NULL);
if (round == 0)
gst_element_set_state (pipe, GST_STATE_PLAYING);
top += tdir;
if (top >= 50)
tdir = -10;
else if (top < -50)
tdir = 10;
bottom += bdir;
if (bottom >= 40)
bdir = -10;
else if (bottom < -60)
bdir = 10;
left += ldir;
if (left >= 60)
ldir = -10;
else if (left < -80)
ldir = 10;
right += rdir;
if (right >= 80)
rdir = -10;
else if (right < -90)
rdir = 10;
message =
gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR,
50 * GST_MSECOND);
if (message) {
g_print ("got error \n");
gst_message_unref (message);
}
}
g_print ("test %d done \n", type);
gst_object_unref (box);
gst_element_set_state (pipe, GST_STATE_NULL);
gst_object_unref (pipe);
type++;
if (type == stop)
break;
}
return 0;
}