Buffer for get_bits must be padded because readers may overread.

[ffmpeg] / libavcodec / lzo.h

diff --git a/libavcodec/lzo.h b/libavcodec/lzo.h
index 3c1388e1917977bd2705a0e2eab01a97bf59d7ca..4d00dd7211d49d41298b00f47d145a0fe0a521b6 100644 (file)
--- a/libavcodec/lzo.h
+++ b/libavcodec/lzo.h
@@ -1,3 +1,24 @@
+/*
+ * LZO 1x decompression
+ * copyright (c) 2006 Reimar Doeffinger
+ *
+ * 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 _LZO_H
 #define LZO_H
 
@@ -6,6 +27,9 @@
 #define LZO_INVALID_BACKPTR 4
 #define LZO_ERROR 8
 
+#define LZO_INPUT_PADDING 4
+#define LZO_OUTPUT_PADDING 12
+
 int lzo1x_decode(void *out, int *outlen, void *in, int *inlen);
 
 #endif