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xdgmime: Use GIOs g_content_type_guess() if possible

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This commit is contained in:
Sebastian Dröge 2009-03-26 12:10:05 +01:00
parent 81af2259c2
commit eaea85ed4a
3 changed files with 61 additions and 17 deletions
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6
configure.ac
View file

@ -316,6 +316,12 @@ dnl disable experimental plug-ins
#if test "x$BUILD_EXPERIMENTAL" != "xyes"; then
#fi
# For xdgmime, to use g_content_type_guess()
PKG_CHECK_MODULES(GIO, gio-2.0 >= 2.16, HAVE_GIO=yes, HAVE_GIO=no)
AM_CONDITIONAL(HAVE_GIO, test "x$HAVE_GIO" = "xyes")
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)
dnl disable gst plugins we might not be able to build on this
dnl platform: librfb (ugly but minimally invasive)
dnl FIXME: maybe move to sys, or make work with winsock2

16
gst/xdgmime/Makefile.am
View file

@ -1,7 +1,6 @@
plugin_LTLIBRARIES = libgstxdgmime.la
libgstxdgmime_la_SOURCES = gstxdgmime.c \
xdgmime/xdgmimealias.c \
xdgmime_sources = xdgmime/xdgmimealias.c \
xdgmime/xdgmime.c \
xdgmime/xdgmimecache.c \
xdgmime/xdgmimeglob.c \
@ -9,8 +8,15 @@ libgstxdgmime_la_SOURCES = gstxdgmime.c \
xdgmime/xdgmimeint.c \
xdgmime/xdgmimemagic.c \
xdgmime/xdgmimeparent.c
libgstxdgmime_la_CFLAGS = $(GST_CFLAGS) -DXDG_PREFIX=gst_xdg_mime
libgstxdgmime_la_LIBADD = $(GST_LIBS) $(XDG_LIBS)
if HAVE_GIO
libgstxdgmime_la_SOURCES = gstxdgmime.c
else
libgstxdgmime_la_SOURCES = gstxdgmime.c $(xdgmime_sources)
endif
libgstxdgmime_la_CFLAGS = $(GIO_CFLAGS) $(GST_CFLAGS) -DXDG_PREFIX=gst_xdg_mime
libgstxdgmime_la_LIBADD = $(GIO_LIBS) $(GST_LIBS) $(XDG_LIBS)
libgstxdgmime_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstxdgmime_la_LIBTOOLFLAGS = --tag=disable-static
@ -23,4 +29,4 @@ noinst_HEADERS = xdgmime/xdgmimealias.h \
xdgmime/xdgmimemagic.h \
xdgmime/xdgmimeparent.h
EXTRA_DIST =
EXTRA_DIST = $(xdgmime_sources)

42
gst/xdgmime/gstxdgmime.c
View file

@ -26,15 +26,18 @@
GST_DEBUG_CATEGORY (xdgmime_debug);
#define GST_CAT_DEFAULT xdgmime_debug
#if GLIB_CHECK_VERSION (2, 16, 0)
#include <gio/gio.h>
#else
G_LOCK_DEFINE_STATIC (xdg_lock);
#endif
static void
xdgmime_typefind (GstTypeFind * find, gpointer user_data)
{
const gchar *mimetype;
gchar *mimetype;
gsize length = 16384;
guint64 tf_length;
gint prio;
guint8 *data;
if ((tf_length = gst_type_find_get_length (find)) > 0)
@ -43,18 +46,45 @@ xdgmime_typefind (GstTypeFind * find, gpointer user_data)
if ((data = gst_type_find_peek (find, 0, length)) == NULL)
return;
#if GLIB_CHECK_VERSION (2, 16, 0)
{
gchar *tmp;
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);
}
#else
{
const gchar *tmp;
gint prio;
/* FIXME: xdg-mime is not thread-safe as it stores the cache globally
* and updates it from every call if changes were done without
* any locking
*/
G_LOCK (xdg_lock);
mimetype = xdg_mime_get_mime_type_for_data (data, length, &prio);
tmp = xdg_mime_get_mime_type_for_data (data, length, &prio);
G_UNLOCK (xdg_lock);
if (mimetype == NULL || g_str_equal (mimetype, XDG_MIME_TYPE_UNKNOWN))
if (tmp == NULL || g_str_equal (tmp, XDG_MIME_TYPE_UNKNOWN))
return;
GST_DEBUG ("Got mimetype '%s' with prio %d", mimetype, prio);
GST_DEBUG ("Got mimetype '%s' with prio %d", tmp, prio);
mimetype = g_strdup (tmp);
}
#endif
/* Ignore audio/video types:
* - our own typefinders in -base are likely to be better at this
@ -67,6 +97,7 @@ xdgmime_typefind (GstTypeFind * find, gpointer user_data)
if (g_str_has_prefix (mimetype, "audio/") ||
g_str_has_prefix (mimetype, "video/")) {
GST_LOG ("Ignoring audio/video mime type");
g_free (mimetype);
return;
}
@ -75,6 +106,7 @@ xdgmime_typefind (GstTypeFind * find, gpointer user_data)
* 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);
}
static gboolean