diff --git a/libavformat/rawdec.c b/libavformat/rawdec.c
index bbb76b6c95..b903e63fb4 100644
--- a/libavformat/rawdec.c
+++ b/libavformat/rawdec.c
@@ -92,7 +92,7 @@ fail:
     return ret;
 }
 
-static int ff_raw_data_read_header(AVFormatContext *s)
+int ff_raw_data_read_header(AVFormatContext *s)
 {
     AVStream *st = avformat_new_stream(s, NULL);
     if (!st)
diff --git a/libavformat/rawdec.h b/libavformat/rawdec.h
index 328a4fbd49..835b42db07 100644
--- a/libavformat/rawdec.h
+++ b/libavformat/rawdec.h
@@ -41,6 +41,8 @@ int ff_raw_audio_read_header(AVFormatContext *s);
 
 int ff_raw_video_read_header(AVFormatContext *s);
 
+int ff_raw_data_read_header(AVFormatContext *s);
+
 #define FF_RAWVIDEO_DEMUXER_CLASS(name)\
 static const AVClass name ## _demuxer_class = {\
     .class_name = #name " demuxer",\