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LZW encoder by Bartlomiej Wolowiec b.wolowiec students mimuw edu pl

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Originally committed as revision 8644 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2007-04-07 15:10:22 +00:00
parent 9a0ddd09e7
commit f0790c59f4
2 changed files with 275 additions and 0 deletions
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10
libavcodec/lzw.h
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@@ -30,6 +30,8 @@
#ifndef LZW_H
#define LZW_H
#include "bitstream.h"
enum FF_LZW_MODES{
FF_LZW_GIF,
FF_LZW_TIFF
@@ -46,4 +48,12 @@ int ff_lzw_decode(LZWState *s, uint8_t *buf, int len);
uint8_t* ff_lzw_cur_ptr(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);
int ff_lzw_encode(struct LZWEncodeState * s, const uint8_t * inbuf, int insize);
int ff_lzw_encode_flush(struct LZWEncodeState * s);
#endif