diff --git a/libavcodec/mjpegdec.h b/libavcodec/mjpegdec.h
new file mode 100644
index 0000000000..286e3a2d45
--- /dev/null
+++ b/libavcodec/mjpegdec.h
@@ -0,0 +1,40 @@
+/*
+ * MJPEG decoder
+ * Copyright (c) 2000, 2001 Fabrice Bellard.
+ * Copyright (c) 2003 Alex Beregszaszi
+ * Copyright (c) 2003-2004 Michael Niedermayer
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file mjpegdec.h
+ * MJPEG decoder.
+ */
+
+#ifndef MJPEGDEC_H
+#define MJPEGDEC_H
+
+#include "avcodec.h"
+
+int ff_mjpeg_decode_init(AVCodecContext *avctx);
+int ff_mjpeg_decode_end(AVCodecContext *avctx);
+int ff_mjpeg_decode_frame(AVCodecContext *avctx,
+                          void *data, int *data_size,
+                          uint8_t *buf, int buf_size);
+
+#endif /* MJPEGDEC_H */