dds: validate compressed source buffer size

[ffmpeg] / libavcodec / lzw.h

diff --git a/libavcodec/lzw.h b/libavcodec/lzw.h
index 69038627079fb66f47c9538c5c47abb3ae5fbe77..d925d35e272b2f3fdef38a7899859d8f8518d77b 100644 (file)
--- a/libavcodec/lzw.h
+++ b/libavcodec/lzw.h
@@ -1,36 +1,38 @@
 /*
  * LZW decoder
- * Copyright (c) 2003 Fabrice Bellard.
- * Copyright (c) 2006 Konstantin Shishkov.
+ * Copyright (c) 2003 Fabrice Bellard
+ * Copyright (c) 2006 Konstantin Shishkov
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file lzw.h
+ * @file
  * @brief LZW decoding routines
  * @author Fabrice Bellard
- * Modified for use in TIFF by Konstantin Shishkov
+ * @author modified for use in TIFF by Konstantin Shishkov
  */
 
-#ifndef FFMPEG_LZW_H
-#define FFMPEG_LZW_H
+#ifndef AVCODEC_LZW_H
+#define AVCODEC_LZW_H
 
-#include "bitstream.h"
+#include <stdint.h>
+
+struct PutBitContext;
 
 enum FF_LZW_MODES{
     FF_LZW_GIF,
@@ -43,17 +45,20 @@ typedef void LZWState;
 /* first two functions de/allocate memory for LZWState */
 void ff_lzw_decode_open(LZWState **p);
 void ff_lzw_decode_close(LZWState **p);
-int ff_lzw_decode_init(LZWState *s, int csize, uint8_t *buf, int buf_size, int mode);
+int ff_lzw_decode_init(LZWState *s, int csize, const uint8_t *buf, int buf_size, int mode);
 int ff_lzw_decode(LZWState *s, uint8_t *buf, int len);
-uint8_t* ff_lzw_cur_ptr(LZWState *lzw);
+int ff_lzw_size_read(LZWState *lzw);
 void ff_lzw_decode_tail(LZWState *lzw);
 
 /** LZW encode state */
 struct LZWEncodeState;
 extern const int ff_lzw_encode_state_size;
 
-void ff_lzw_encode_init(struct LZWEncodeState * s, uint8_t * outbuf, int outsize, int maxbits);
+void ff_lzw_encode_init(struct LZWEncodeState *s, uint8_t *outbuf, int outsize,
+                        int maxbits, enum FF_LZW_MODES mode,
+                        void (*lzw_put_bits)(struct PutBitContext *, int, unsigned int));
 int ff_lzw_encode(struct LZWEncodeState * s, const uint8_t * inbuf, int insize);
-int ff_lzw_encode_flush(struct LZWEncodeState * s);
+int ff_lzw_encode_flush(struct LZWEncodeState *s,
+                        void (*lzw_flush_put_bits)(struct PutBitContext *));
 
-#endif /* FFMPEG_LZW_H */
+#endif /* AVCODEC_LZW_H */