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92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/* GStreamer
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* Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <gst/gst.h>
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#include "xdgmime/xdgmime.h"
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GST_DEBUG_CATEGORY (xdgmime_debug);
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#define GST_CAT_DEFAULT xdgmime_debug
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G_LOCK_DEFINE_STATIC (xdg_lock);
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static void
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xdgmime_typefind (GstTypeFind * find, gpointer user_data)
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{
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const gchar *mimetype;
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gsize length = 16384;
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guint64 tf_length;
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gint prio;
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guint8 *data;
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GstCaps *caps;
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if ((tf_length = gst_type_find_get_length (find)) > 0)
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length = MIN (length, tf_length);
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if ((data = gst_type_find_peek (find, 0, length)) == NULL)
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return;
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/* FIXME: xdg-mime is not thread-safe as it stores the cache globally
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* and updates it from every call if changes were done without
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* any locking
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*/
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G_LOCK (xdg_lock);
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mimetype = xdg_mime_get_mime_type_for_data (data, length, &prio);
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G_UNLOCK (xdg_lock);
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if (mimetype == NULL || g_str_equal (mimetype, XDG_MIME_TYPE_UNKNOWN))
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return;
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GST_DEBUG ("Got mimetype '%s' with prio %d", mimetype, prio);
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caps = gst_caps_new_simple (mimetype, NULL);
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gst_type_find_suggest (find, GST_TYPE_FIND_POSSIBLE, caps);
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}
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GstCaps *caps = NULL;
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guint major, minor, micro, nano;
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gboolean ret;
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/* FIXME: GStreamer before 0.10.22.1 produced assertions
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* when storing typefind factories with NULL caps */
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gst_version (&major, &minor, µ, &nano);
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if (major <= 0 && minor <= 10 && micro <= 22 && nano <= 0)
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caps = gst_caps_new_empty ();
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GST_DEBUG_CATEGORY_INIT (xdgmime_debug, "xdgmime", 0, "XDG-MIME");
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ret = gst_type_find_register (plugin,
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"xdgmime", GST_RANK_MARGINAL, xdgmime_typefind, NULL, caps, NULL, NULL);
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if (caps)
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gst_caps_unref (caps);
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return ret;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"xdgmime",
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"XDG-MIME",
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plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
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