Fix RV40 chroma MC

[ffmpeg] / libavcodec / lzw.h

diff --git a/libavcodec/lzw.h b/libavcodec/lzw.h
index 9c45c2387274becdf32f301f32fc98d583e3e5ac..e8ff46c733c802395a4afcaef15e1d6a554dcfc8 100644 (file)
--- a/libavcodec/lzw.h
+++ b/libavcodec/lzw.h
@@ -27,8 +27,8 @@
  * Modified for use in TIFF by Konstantin Shishkov
  */
 
-#ifndef LZW_H
-#define LZW_H
+#ifndef AVCODEC_LZW_H
+#define AVCODEC_LZW_H
 
 #include "bitstream.h"
 
@@ -43,9 +43,9 @@ 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);
+const uint8_t* ff_lzw_cur_ptr(LZWState *lzw);
 void ff_lzw_decode_tail(LZWState *lzw);
 
 /** LZW encode state */
@@ -56,4 +56,4 @@ void ff_lzw_encode_init(struct LZWEncodeState * s, uint8_t * outbuf, int outsize
 int ff_lzw_encode(struct LZWEncodeState * s, const uint8_t * inbuf, int insize);
 int ff_lzw_encode_flush(struct LZWEncodeState * s);
 
-#endif
+#endif /* AVCODEC_LZW_H */