mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
5ff55c7a30
Original commit message from CVS: * tests/icles/.cvsignore: * tests/icles/Makefile.am: * tests/icles/test-textoverlay.c: Add a dumb little test for textoverlay alignments.
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/* GStreamer interactive textoverlay test
|
|
* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
|
|
static void
|
|
set_enum_property_by_name (gpointer object, const gchar * prop,
|
|
const gchar * value)
|
|
{
|
|
GParamSpec *pspec;
|
|
GValue val = { 0, };
|
|
GEnumClass *eclass;
|
|
GEnumValue *eval;
|
|
|
|
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (object), prop);
|
|
g_return_if_fail (pspec != NULL);
|
|
|
|
g_value_init (&val, pspec->value_type);
|
|
g_object_get_property (G_OBJECT (object), prop, &val);
|
|
eclass = G_ENUM_CLASS (g_type_class_peek (G_VALUE_TYPE (&val)));
|
|
g_return_if_fail (eclass != NULL);
|
|
eval = g_enum_get_value_by_name (eclass, value);
|
|
if (eval == NULL)
|
|
eval = g_enum_get_value_by_nick (eclass, value);
|
|
g_return_if_fail (eval != NULL);
|
|
g_value_set_enum (&val, eval->value);
|
|
g_object_set_property (G_OBJECT (object), prop, &val);
|
|
g_value_unset (&val);
|
|
}
|
|
|
|
static void
|
|
show_text (GstElement * textoverlay, const gchar * txt, const gchar * valign,
|
|
const gchar * halign, const gchar * line_align)
|
|
{
|
|
GstElement *pipe;
|
|
|
|
g_object_set (textoverlay, "text", txt, NULL);
|
|
|
|
set_enum_property_by_name (textoverlay, "valignment", valign);
|
|
set_enum_property_by_name (textoverlay, "halignment", halign);
|
|
set_enum_property_by_name (textoverlay, "line-alignment", line_align);
|
|
|
|
pipe = textoverlay;
|
|
while (GST_ELEMENT_PARENT (pipe))
|
|
pipe = GST_ELEMENT_PARENT (pipe);
|
|
|
|
gst_element_set_state (pipe, GST_STATE_PLAYING);
|
|
gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 2 * GST_SECOND);
|
|
gst_element_set_state (pipe, GST_STATE_NULL);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
GstElement *pipe, *toverlay;
|
|
const gchar *valigns[] = { /* "baseline", */ "bottom", "top" };
|
|
const gchar *haligns[] = { "left", "center", "right" };
|
|
const gchar *linealigns[] = { "left", "center", "right" };
|
|
gint a, b, c;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
pipe = gst_parse_launch ("videotestsrc pattern=black ! textoverlay name=t ! "
|
|
" ffmpegcolorspace ! videoscale ! autovideosink", NULL);
|
|
g_assert (pipe);
|
|
|
|
toverlay = gst_bin_get_by_name (GST_BIN (pipe), "t");
|
|
g_assert (toverlay);
|
|
|
|
g_object_set (toverlay, "xpad", 3, "ypad", 3, NULL);
|
|
|
|
for (a = 0; a < G_N_ELEMENTS (valigns); ++a) {
|
|
for (b = 0; b < G_N_ELEMENTS (haligns); ++b) {
|
|
for (c = 0; c < G_N_ELEMENTS (linealigns); ++c) {
|
|
gchar *s;
|
|
|
|
s = g_strdup_printf ("line-alignment = %s\n"
|
|
"<----- halignment = %s ----->\nvalignment = %s",
|
|
linealigns[c], haligns[b], valigns[a]);
|
|
show_text (toverlay, s, valigns[a], haligns[b], linealigns[c]);
|
|
g_free (s);
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|