gstreamer/ext/gdk_pixbuf/gstgdkpixbufplugin.c
2012-11-04 00:07:18 +00:00

108 lines
3.1 KiB
C

/* GStreamer GdkPixbuf plugin
* Copyright (C) 1999-2001 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2003 David A. Schleef <ds@schleef.org>
*
* 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 <gst/gst.h>
#include "gstgdkpixbufdec.h"
#include "gstgdkpixbufoverlay.h"
#include "gstgdkpixbufsink.h"
#if 0
static void gst_gdk_pixbuf_type_find (GstTypeFind * tf, gpointer ignore);
#define GST_GDK_PIXBUF_TYPE_FIND_SIZE 1024
static void
gst_gdk_pixbuf_type_find (GstTypeFind * tf, gpointer ignore)
{
guint8 *data;
GdkPixbufLoader *pixbuf_loader;
GdkPixbufFormat *format;
data = gst_type_find_peek (tf, 0, GST_GDK_PIXBUF_TYPE_FIND_SIZE);
if (data == NULL)
return;
GST_DEBUG ("creating new loader");
pixbuf_loader = gdk_pixbuf_loader_new ();
gdk_pixbuf_loader_write (pixbuf_loader, data, GST_GDK_PIXBUF_TYPE_FIND_SIZE,
NULL);
format = gdk_pixbuf_loader_get_format (pixbuf_loader);
if (format != NULL) {
GstCaps *caps;
gchar **p;
gchar **mlist = gdk_pixbuf_format_get_mime_types (format);
for (p = mlist; *p; ++p) {
GST_DEBUG ("suggesting mime type %s", *p);
caps = gst_caps_new_simple (*p, NULL);
gst_type_find_suggest (tf, GST_TYPE_FIND_MINIMUM, caps);
gst_caps_free (caps);
}
g_strfreev (mlist);
}
GST_DEBUG ("closing pixbuf loader, hope it doesn't hang ...");
/* librsvg 2.4.x has a bug where it triggers an endless loop in trying
to close a gzip that's not an svg; fixed upstream but no good way
to work around it */
gdk_pixbuf_loader_close (pixbuf_loader, NULL);
GST_DEBUG ("closed pixbuf loader");
g_object_unref (G_OBJECT (pixbuf_loader));
}
#endif
static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "gdkpixbufdec", GST_RANK_SECONDARY,
GST_TYPE_GDK_PIXBUF_DEC))
return FALSE;
#if 0
gst_type_find_register (plugin, "image/*", GST_RANK_MARGINAL,
gst_gdk_pixbuf_type_find, NULL, GST_CAPS_ANY, NULL);
#endif
if (!gst_element_register (plugin, "gdkpixbufoverlay", GST_RANK_NONE,
GST_TYPE_GDK_PIXBUF_OVERLAY))
return FALSE;
if (!gst_element_register (plugin, "gdkpixbufsink", GST_RANK_NONE,
GST_TYPE_GDK_PIXBUF_SINK))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
gdkpixbuf,
"GdkPixbuf-based image decoder, overlay and sink",
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)