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- dnl Perform a check for a GStreamer element using gst-inspect-x.y
- dnl
- dnl GST_ELEMENT_CHECK(ELEMENT-NAME, MIN-VERSION, ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
- dnl
- dnl ELEMENT-NAME : element factory name (mandatory)
- dnl MIN-VERSION : minimum version required, e.g. 1.0 or 1.0.5 (mandatory)
- dnl ACTION-IF_FOUND : action if element exists and is of the desired version
- dnl ACTION-IF-NOT-FOUND : action if element does not exist or is too old
- dnl
- dnl gstapiversion=`echo $2 | tr '.' '\n' | head -n 2 | tr '\n' '.' | sed 's/\.$//'`
- AC_DEFUN([GST_ELEMENT_CHECK],
- [
- AC_REQUIRE([PKG_PROG_PKG_CONFIG])
- gstapiversion=`echo "$2" | while IFS=. read a b; do echo "$a.0"; done`
- gsttoolsdir=`$PKG_CONFIG --variable=toolsdir gstreamer-$gstapiversion`
- if test "x$gsttoolsdir" != "x"; then
- gstinspect="$gsttoolsdir/gst-inspect-$gstapiversion"
- AC_MSG_CHECKING(GStreamer $gstapiversion element $1 >= $2)
- if [ $gstinspect --exists --atleast-version=$2 $1 ]; then
- AC_MSG_RESULT([found])
- $3
- else
- if [ $gstinspect --exists $1 ]; then
- AC_MSG_RESULT([found, but too old])
- else
- AC_MSG_RESULT([not found])
- fi
- $4
- fi
- fi
- ])
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