diff --git a/libav/avformat.h b/libav/avformat.h
index f6be87a6d505c924d0cbd55b6c6c0b91ffb6142a..d1b4ce5618d688c690afa2b920c2555d35bb9988 100644
--- a/libav/avformat.h
+++ b/libav/avformat.h
@@ -115,6 +115,7 @@ extern AVFormat avi_format;
 /* jpegenc.c */
 extern AVFormat mpjpeg_format;
 extern AVFormat jpeg_format;
+extern AVFormat single_jpeg_format;
 
 /* swfenc.c */
 extern AVFormat swf_format;
@@ -137,6 +138,7 @@ extern AVFormat mp2_format;
 extern AVFormat ac3_format;
 extern AVFormat h263_format;
 extern AVFormat mpeg1video_format;
+extern AVFormat mjpeg_format;
 extern AVFormat pcm_format;
 extern AVFormat rawvideo_format;