diff --git a/libavcodec/imgconvert.h b/libavcodec/imgconvert.h
new file mode 100644
index 0000000000..8d77648e45
--- /dev/null
+++ b/libavcodec/imgconvert.h
@@ -0,0 +1,66 @@
+/*
+ * Misc image conversion routines
+ * most functionality is exported to the public API, see avcodec.h
+ *
+ * Copyright (c) 2008 Vitor Sessak
+ *
+ * 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
+ */
+
+#ifndef FFMPEG_IMGCONVERT_H
+#define FFMPEG_IMGCONVERT_H
+
+int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width);
+
+int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt, int height);
+
+int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane);
+
+#endif /* FFMPEG_IMGCONVERT_H */
+/*
+ * Misc image conversion routines
+ * most functionality is exported to the public API, see avcodec.h
+ *
+ * Copyright (c) 2008 Vitor Sessak
+ *
+ * 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
+ */
+
+#ifndef FFMPEG_IMGCONVERT_H
+#define FFMPEG_IMGCONVERT_H
+
+int ff_fill_linesize(AVPicture *picture, int pix_fmt, int width);
+
+int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, int pix_fmt, int height);
+
+int ff_get_plane_bytewidth(enum PixelFormat pix_fmt, int width, int plane);
+
+#endif /* FFMPEG_IMGCONVERT_H */