1 dnl Perform a check for a GStreamer element using gst-inspect-x.y
3 dnl GST_ELEMENT_CHECK(ELEMENT-NAME, MIN-VERSION, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
5 dnl ELEMENT-NAME : element factory name (mandatory)
6 dnl MIN-VERSION : minimum version required, e.g. 1.0 or 1.0.5 (mandatory)
7 dnl ACTION-IF_FOUND : action if element exists and is of the desired version
8 dnl ACTION-IF-NOT-FOUND : action if element does not exist or is too old
10 dnl gstapiversion=`echo $2 | tr '.' '\n' | head -n 2 | tr '\n' '.' | sed 's/\.$//'`
12 AC_DEFUN([GST_ELEMENT_CHECK],
14 AC_REQUIRE([PKG_PROG_PKG_CONFIG])
16 gstapiversion=`echo "$2" | while IFS=. read a b; do echo "$a.0"; done`
17 gsttoolsdir=`$PKG_CONFIG --variable=toolsdir gstreamer-$gstapiversion`
18 if test "x$gsttoolsdir" != "x"; then
19 gstinspect="$gsttoolsdir/gst-inspect-$gstapiversion"
20 AC_MSG_CHECKING(GStreamer $gstapiversion element $1 >= $2)
21 if [ $gstinspect --exists --atleast-version=$2 $1 ]; then
22 AC_MSG_RESULT([found])
25 if [ $gstinspect --exists $1 ]; then
26 AC_MSG_RESULT([found, but too old])
28 AC_MSG_RESULT([not found])