From c0852624f7591d19cd44013e729e49f24473b12d Mon Sep 17 00:00:00 2001
From: Brendan Long <b.long@cablelabs.com>
Date: Mon, 23 Dec 2013 12:23:27 -0600
Subject: [PATCH] vp9dec: Require vpx >= 1.3.0 for building vp9dec and vp9enc

Previous versions did not have a stable bitstream for VP9.

https://bugzilla.gnome.org/show_bug.cgi?id=720986
---
 configure.ac | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/configure.ac b/configure.ac
index 58bb7ce..3cb5109 100644
--- a/configure.ac
+++ b/configure.ac
@@ -960,14 +960,17 @@ AG_GST_CHECK_FEATURE(VPX, [VPX decoder], vpx, [
       HAVE_VP8=yes
       AC_DEFINE(HAVE_VP8_DECODER, 1, [Defined if the VP8 decoder is available])
     ])
-    AC_CHECK_LIB(vpx, vpx_codec_vp9_cx_algo, [
-      HAVE_VP9=yes
-      AC_DEFINE(HAVE_VP9_ENCODER, 1, [Defined if the VP9 encoder is available])
-    ])
-    AC_CHECK_LIB(vpx, vpx_codec_vp9_dx_algo, [
-      HAVE_VP9=yes
-      AC_DEFINE(HAVE_VP9_DECODER, 1, [Defined if the VP9 decoder is available])
-    ])
+
+    PKG_CHECK_MODULES(VPX_130, vpx >= 1.3.0, [
+      AC_CHECK_LIB(vpx, vpx_codec_vp9_cx_algo, [
+        HAVE_VP9=yes
+        AC_DEFINE(HAVE_VP9_ENCODER, 1, [Defined if the VP9 encoder is available])
+      ])
+      AC_CHECK_LIB(vpx, vpx_codec_vp9_dx_algo, [
+        HAVE_VP9=yes
+        AC_DEFINE(HAVE_VP9_DECODER, 1, [Defined if the VP9 decoder is available])
+      ])
+    ], [true])
     LIBS="$OLD_LIBS"
     CFLAGS="$OLD_CFLAGS"
   fi
-- 
2.7.4