Add version to AVClass so we can add to and use fields of AVClass without ABI issues.

Originally committed as revision 22987 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 8 insertions, 0 deletions

diff --git a/libavutil/log.h b/libavutil/log.h
index b0a1493607..566440f854 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -48,6 +48,14 @@ typedef struct {
      * @see av_set_default_options()
      */
     const struct AVOption *option;
+
+    /**
+     * LIBAVUTIL_VERSION with which this structure was created.
+     * This is used to allow fields to be added without requireing major
+     * version bumps everywhere.
+     */
+
+    int version;
 } AVClass;
 
 /* av_log API */