diff --git a/src/video_capture/rtsp.c b/src/video_capture/rtsp.c
index 7543d4668..adb93ec17 100644
--- a/src/video_capture/rtsp.c
+++ b/src/video_capture/rtsp.c
@@ -132,6 +132,8 @@ set_codec_attribute_from_incoming_media(const char *sdp_filename, void *state);
 static int
 get_nals(const char *sdp_filename, char *nals);
 
+void setup_codecs_and_controls_from_sdp(const char *sdp_filename, void *state);
+
 static int
 init_rtsp(char* rtsp_uri, int rtsp_port, void *state, char* nals);