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1 /* | 1 /* |
2 * LZW decoder | 2 * LZW decoder |
3 * Copyright (c) 2003 Fabrice Bellard | 3 * Copyright (c) 2003 Fabrice Bellard |
4 * Copyright (c) 2006 Konstantin Shishkov | 4 * Copyright (c) 2006 Konstantin Shishkov |
5 * | 5 * |
6 * This file is part of FFmpeg. | 6 * This file is part of FFmpeg. |
7 * | 7 * |
8 * FFmpeg is free software; you can redistribute it and/or | 8 * FFmpeg is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Lesser General Public | 9 * modify it under the terms of the GNU Lesser General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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23 /** | 23 /** |
24 * @file libavcodec/lzw.h | 24 * @file libavcodec/lzw.h |
25 * @brief LZW decoding routines | 25 * @brief LZW decoding routines |
26 * @author Fabrice Bellard | 26 * @author Fabrice Bellard |
27 * Modified for use in TIFF by Konstantin Shishkov | 27 * Modified for use in TIFF by Konstantin Shishkov |
28 */ | 28 */ |
29 | 29 |
30 #ifndef AVCODEC_LZW_H | 30 #ifndef AVCODEC_LZW_H |
31 #define AVCODEC_LZW_H | 31 #define AVCODEC_LZW_H |
32 | 32 |
| 33 #include <stdint.h> |
| 34 |
33 struct PutBitContext; | 35 struct PutBitContext; |
34 | 36 |
35 enum FF_LZW_MODES{ | 37 enum FF_LZW_MODES{ |
36 FF_LZW_GIF, | 38 FF_LZW_GIF, |
37 FF_LZW_TIFF | 39 FF_LZW_TIFF |
38 }; | 40 }; |
39 | 41 |
40 /* clients should not know what LZWState is */ | 42 /* clients should not know what LZWState is */ |
41 typedef void LZWState; | 43 typedef void LZWState; |
42 | 44 |
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53 extern const int ff_lzw_encode_state_size; | 55 extern const int ff_lzw_encode_state_size; |
54 | 56 |
55 void ff_lzw_encode_init(struct LZWEncodeState *s, uint8_t *outbuf, int outsize, | 57 void ff_lzw_encode_init(struct LZWEncodeState *s, uint8_t *outbuf, int outsize, |
56 int maxbits, enum FF_LZW_MODES mode, | 58 int maxbits, enum FF_LZW_MODES mode, |
57 void (*lzw_put_bits)(struct PutBitContext *, int, unsign
ed int)); | 59 void (*lzw_put_bits)(struct PutBitContext *, int, unsign
ed int)); |
58 int ff_lzw_encode(struct LZWEncodeState * s, const uint8_t * inbuf, int insize); | 60 int ff_lzw_encode(struct LZWEncodeState * s, const uint8_t * inbuf, int insize); |
59 int ff_lzw_encode_flush(struct LZWEncodeState *s, | 61 int ff_lzw_encode_flush(struct LZWEncodeState *s, |
60 void (*lzw_flush_put_bits)(struct PutBitContext *)); | 62 void (*lzw_flush_put_bits)(struct PutBitContext *)); |
61 | 63 |
62 #endif /* AVCODEC_LZW_H */ | 64 #endif /* AVCODEC_LZW_H */ |
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