1 files changed, 17 insertions, 0 deletions
diff --git a/libavformat/internal.h b/libavformat/internal.h
index 789988019d..a395c2f24b 100644
--- a/libavformat/internal.h
+++ b/libavformat/internal.h
@@ -137,4 +137,21 @@ int ff_url_join(char *str, int size, const char *proto,
                 const char *authorization, const char *hostname,
                 int port, const char *fmt, ...);
 
+/**
+ * Appends the media-specific SDP fragment for the media stream c
+ * to the buffer buff.
+ *
+ * Note, the buffer needs to be initialized, since it is appended to
+ * existing content.
+ *
+ * @param buff the buffer to append the SDP fragment to
+ * @param size the size of the buff buffer
+ * @param c the AVCodecContext of the media to describe
+ * @param dest_addr the destination address of the media stream, may be NULL
+ * @param port the destination port of the media stream, 0 if unknown
+ * @param ttl the time to live of the stream, 0 if not multicast
+ */
+void ff_sdp_write_media(char *buff, int size, AVCodecContext *c,
+                        const char *dest_addr, int port, int ttl);
+
 #endif /* AVFORMAT_INTERNAL_H */