https://bugs.gentoo.org/406215

From 97212837ec81c3869ba60e0690f26c09b9428747 Mon Sep 17 00:00:00 2001
From: Tomas Chvatal <tchvatal@suse.cz>
Date: Fri, 30 Mar 2012 10:00:46 +0200
Subject: [PATCH] Ensure we include proper header on ffmpeg.

---
 configure.in      |    3 +++
 lib/DllAvFilter.h |    6 +++++-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/configure.in b/configure.in
index bca9239..d209f80 100755
--- a/configure.in
+++ b/configure.in
@@ -1229,6 +1229,9 @@ if test "$use_external_ffmpeg" = "yes"; then
   AC_CHECK_HEADERS([libswscale/rgb2rgb.h],,)
   AC_CHECK_HEADERS([ffmpeg/rgb2rgb.h],,)
 
+  # check for avcodec header as it is not present on libav
+  AC_CHECK_HEADERS([libavfilter/avcodec.h],,)
+
   # Check if AVFilterBufferRefVideoProps AVRational member is named
   # 'pixel_aspect' or 'sample_aspect_ratio'.
   AC_CHECK_MEMBER([AVFilterBufferRefVideoProps.sample_aspect_ratio],
diff --git a/lib/DllAvFilter.h b/lib/DllAvFilter.h
index 827746e..d47623b 100644
--- a/lib/DllAvFilter.h
+++ b/lib/DllAvFilter.h
@@ -48,7 +48,11 @@ extern "C" {
   #endif
   /* for av_vsrc_buffer_add_frame */
   #if LIBAVFILTER_VERSION_INT >= AV_VERSION_INT(2,8,0)
-    #include <libavfilter/vsrc_buffer.h>
+    #if defined(HAVE_LIBAVFILTER_AVCODEC_H)
+      #include <libavfilter/avcodec.h>
+    #else
+      #include <libavfilter/vsrc_buffer.h>
+    #endif
   #elif LIBAVFILTER_VERSION_INT >= AV_VERSION_INT(2,7,0)
     int av_vsrc_buffer_add_frame(AVFilterContext *buffer_filter,
                                  AVFrame *frame);
-- 
1.7.3.4