dnl *** libgio ***
translit(dnm, m, l) AM_CONDITIONAL(USE_GIO, true)
AG_GST_CHECK_FEATURE(GIO, [GIO library], gio, [
- PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.15.2, [
+ PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.16, [
HAVE_GIO="yes"
GIO_MODULE_DIR="`$PKG_CONFIG --variable=giomoduledir gio-2.0`"
AC_DEFINE_UNQUOTED(GIO_MODULE_DIR, "$GIO_MODULE_DIR",
/* GStreamer
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
+ * Copyright (C) 2005-2009 Tim-Philipp Müller <tim centricular net>
+ * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* gsttypefindfunctions.c: collection of various typefind functions
*
#include <glib.h>
+/* don't want to add gio xdgmime typefinder if gio was disabled via configure */
+#ifdef HAVE_GIO
+#include <gio/gio.h>
+#define USE_GIO
+#endif
+
#include <gst/gsttypefind.h>
#include <gst/gstelement.h>
#include <gst/gstversion.h>
}
}
+/*** XDG MIME typefinder (to avoid false positives mostly) ***/
+
+#ifdef USE_GIO
+static void
+xdgmime_typefind (GstTypeFind * find, gpointer user_data)
+{
+ gchar *mimetype;
+ gsize length = 16384;
+ guint64 tf_length;
+ guint8 *data;
+ gchar *tmp;
+
+ if ((tf_length = gst_type_find_get_length (find)) > 0)
+ length = MIN (length, tf_length);
+
+ if ((data = gst_type_find_peek (find, 0, length)) == NULL)
+ return;
+
+ tmp = g_content_type_guess (NULL, data, length, NULL);
+ if (tmp == NULL || g_content_type_is_unknown (tmp)) {
+ g_free (tmp);
+ return;
+ }
+
+ mimetype = g_content_type_get_mime_type (tmp);
+ g_free (tmp);
+
+ if (mimetype == NULL)
+ return;
+
+ GST_DEBUG ("Got mimetype '%s'", mimetype);
+
+ /* Ignore audio/video types:
+ * - our own typefinders in -base are likely to be better at this
+ * (and if they're not, we really want to fix them, that's why we don't
+ * report xdg-detected audio/video types at all, not even with a low
+ * probability)
+ * - we want to detect GStreamer media types and not MIME types
+ * - the purpose of this xdg mime finder is mainly to prevent false
+ * positives of non-media formats, not to typefind audio/video formats */
+ if (g_str_has_prefix (mimetype, "audio/") ||
+ g_str_has_prefix (mimetype, "video/")) {
+ GST_LOG ("Ignoring audio/video mime type");
+ g_free (mimetype);
+ return;
+ }
+
+ /* Again, we mainly want the xdg typefinding to prevent false-positives on
+ * non-media formats, so suggest the type with a probability that trumps
+ * uncertain results of our typefinders, but not more than that. */
+ GST_LOG ("Suggesting '%s' with probability POSSIBLE", mimetype);
+ gst_type_find_suggest_simple (find, GST_TYPE_FIND_POSSIBLE, mimetype, NULL);
+ g_free (mimetype);
+}
+#endif /* USE_GIO */
+
/*** generic typefind for streams that have some data at a specific position***/
typedef struct
{
TYPE_FIND_REGISTER_START_WITH (plugin, "image/vnd.adobe.photoshop",
GST_RANK_SECONDARY, psd_exts, "8BPS\000\001\000\000\000\000", 10,
GST_TYPE_FIND_LIKELY);
+
+#ifdef USE_GIO
+ TYPE_FIND_REGISTER (plugin, "xdgmime-base", GST_RANK_MARGINAL,
+ xdgmime_typefind, NULL, NULL, NULL, NULL);
+#endif
+
return TRUE;
}