Fix linking when RTP is disabled and libraries are dynamic

Originally committed as revision 9945 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/sdp.c b/libavformat/sdp.c
index 8cedcd151ac3c8810f5d30f63988b667c324ec25..2809163342809c2e96be7a05bf9c14171f457fd1 100644 (file)
--- a/libavformat/sdp.c
+++ b/libavformat/sdp.c
@@ -21,6 +21,7 @@
 #include "avstring.h"
 #include "avformat.h"
 
+#ifdef CONFIG_RTP_MUXER
 #define MAX_EXTRADATA_SIZE ((INT_MAX - 10) / 2)
 
 struct sdp_session_level {
@@ -215,3 +216,9 @@ char *avf_sdp_create(AVFormatContext *ac[], int n_files)
 
     return buff;
 }
+#else
+char *avf_sdp_create(AVFormatContext *ac[], int n_files)
+{
+    return NULL;
+}
+#endif