mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-22 16:26:39 +00:00
141 lines
3.1 KiB
C
141 lines
3.1 KiB
C
/* GStreamer interactive videocrop 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 ! videocrop name=crop ! "
|
|
"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, *crop;
|
|
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;
|
|
|
|
crop = gst_bin_get_by_name (GST_BIN (pipe), "crop");
|
|
g_assert (crop);
|
|
|
|
top = bottom = left = right = 0;
|
|
tdir = bdir = 10;
|
|
ldir = rdir = 10;
|
|
|
|
for (round = 0; round < MAX_ROUND; round++) {
|
|
g_print ("crop to %4d %4d %4d %4d (%d/%d) \r", top, bottom, left, right,
|
|
round, MAX_ROUND);
|
|
|
|
g_object_set (crop, "top", top, "bottom", bottom, "left", left, "right",
|
|
right, NULL);
|
|
|
|
if (round == 0)
|
|
gst_element_set_state (pipe, GST_STATE_PLAYING);
|
|
|
|
top += tdir;
|
|
if (top >= 80)
|
|
tdir = -10;
|
|
else if (top < 10)
|
|
tdir = 10;
|
|
|
|
bottom += bdir;
|
|
if (bottom >= 60)
|
|
bdir = -10;
|
|
else if (bottom < 10)
|
|
bdir = 10;
|
|
|
|
left += ldir;
|
|
if (left >= 100)
|
|
ldir = -10;
|
|
else if (left < 10)
|
|
ldir = 10;
|
|
|
|
right += rdir;
|
|
if (right >= 80)
|
|
rdir = -10;
|
|
else if (right < 10)
|
|
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 (crop);
|
|
gst_element_set_state (pipe, GST_STATE_NULL);
|
|
gst_object_unref (pipe);
|
|
|
|
type++;
|
|
if (type == stop)
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|