[Libva] [gst-vaapi patch] respect GST_PLUGIN_PATH before the gst default path

[Zhao Halley]

---
 configure.ac |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index bbb1c12..8dd381c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -132,6 +132,9 @@ AC_ARG_ENABLE(encoders,
                    [enable encoders @<:@default=no@:>@]),
     [], [enable_encoders="no"])
 
+AC_MSG_CHECKING([check gstreamer plugins path for plugin(only) installation])
+AC_ARG_VAR(GST_PLUGIN_PATH, [path to install gst-vaapi plugins(only)])
+
 dnl Check for basic libraries
 AC_CHECK_LIB(m, tan)
 
@@ -278,7 +281,11 @@ AC_SUBST(GST_PLUGIN_LDFLAGS)
 
 dnl Check for the GStreamer plugins directory
 AC_MSG_CHECKING([for GStreamer plugins directory])
-GST_PLUGINS_DIR=`$PKG_CONFIG gstreamer-$GST_MAJORMINOR --variable pluginsdir`
+if test -z "$GST_PLUGIN_PATH"; then
+    GST_PLUGINS_DIR=`$PKG_CONFIG gstreamer-$GST_MAJORMINOR --variable pluginsdir`
+else
+    GST_PLUGINS_DIR=$GST_PLUGIN_PATH
+fi
 if test -z "$GST_PLUGINS_DIR"; then
     echo "FAIL FAIL FAIL"
     GST_PLUGINS_DIR="\$(libdir)/gstreamer-$GST_MAJORMINOR"
-- 
1.7.9.5