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| 4680 | right-hear | 1 | /* |
| 2 | * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium |
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| 3 | * Copyright (c) 2002-2007, Professor Benoit Macq |
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| 4 | * Copyright (c) 2001-2003, David Janssens |
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| 5 | * Copyright (c) 2002-2003, Yannick Verschueren |
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| 6 | * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe |
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| 7 | * Copyright (c) 2005, Herve Drolon, FreeImage Team |
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| 8 | * All rights reserved. |
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| 9 | * |
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| 10 | * Redistribution and use in source and binary forms, with or without |
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| 11 | * modification, are permitted provided that the following conditions |
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| 12 | * are met: |
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| 13 | * 1. Redistributions of source code must retain the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer. |
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | * notice, this list of conditions and the following disclaimer in the |
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| 17 | * documentation and/or other materials provided with the distribution. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 29 | * POSSIBILITY OF SUCH DAMAGE. |
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| 30 | */ |
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| 31 | #ifndef __T2_H |
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| 32 | #define __T2_H |
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| 33 | /** |
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| 34 | @file t2.h |
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| 35 | @brief Implementation of a tier-2 coding (packetization of code-block data) (T2) |
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| 36 | |||
| 37 | */ |
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| 38 | |||
| 39 | /** @defgroup T2 T2 - Implementation of a tier-2 coding */ |
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| 40 | /*@{*/ |
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| 41 | |||
| 42 | /** |
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| 43 | Tier-2 coding |
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| 44 | */ |
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| 45 | typedef struct opj_t2 { |
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| 46 | /** codec context */ |
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| 47 | opj_common_ptr cinfo; |
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| 48 | |||
| 49 | /** Encoding: pointer to the src image. Decoding: pointer to the dst image. */ |
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| 50 | opj_image_t *image; |
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| 51 | /** pointer to the image coding parameters */ |
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| 52 | opj_cp_t *cp; |
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| 53 | } opj_t2_t; |
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| 54 | |||
| 55 | /** @name Exported functions */ |
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| 56 | /*@{*/ |
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| 57 | /* ----------------------------------------------------------------------- */ |
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| 58 | |||
| 59 | /** |
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| 60 | Encode the packets of a tile to a destination buffer |
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| 61 | @param t2 T2 handle |
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| 62 | @param tileno number of the tile encoded |
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| 63 | @param tile the tile for which to write the packets |
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| 64 | @param maxlayers maximum number of layers |
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| 65 | @param dest the destination buffer |
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| 66 | @param len the length of the destination buffer |
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| 67 | @param cstr_info Codestream information structure |
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| 68 | @param tpnum Tile part number of the current tile |
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| 69 | @param tppos The position of the tile part flag in the progression order |
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| 70 | @param pino |
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| 71 | @param t2_mode If == 0 In Threshold calculation ,If == 1 Final pass |
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| 72 | @param cur_totnum_tp The total number of tile parts in the current tile |
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| 73 | */ |
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| 74 | int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_codestream_info_t *cstr_info,int tpnum, int tppos,int pino,J2K_T2_MODE t2_mode,int cur_totnum_tp); |
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| 75 | /** |
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| 76 | Decode the packets of a tile from a source buffer |
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| 77 | @param t2 T2 handle |
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| 78 | @param src the source buffer |
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| 79 | @param len length of the source buffer |
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| 80 | @param tileno number that identifies the tile for which to decode the packets |
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| 81 | @param tile tile for which to decode the packets |
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| 82 | @param cstr_info Codestream information structure |
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| 83 | */ |
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| 84 | int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile, opj_codestream_info_t *cstr_info); |
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| 85 | |||
| 86 | /** |
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| 87 | Create a T2 handle |
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| 88 | @param cinfo Codec context info |
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| 89 | @param image Source or destination image |
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| 90 | @param cp Image coding parameters |
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| 91 | @return Returns a new T2 handle if successful, returns NULL otherwise |
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| 92 | */ |
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| 93 | opj_t2_t* t2_create(opj_common_ptr cinfo, opj_image_t *image, opj_cp_t *cp); |
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| 94 | /** |
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| 95 | Destroy a T2 handle |
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| 96 | @param t2 T2 handle to destroy |
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| 97 | */ |
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| 98 | void t2_destroy(opj_t2_t *t2); |
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| 99 | |||
| 100 | /* ----------------------------------------------------------------------- */ |
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| 101 | /*@}*/ |
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| 102 | |||
| 103 | /*@}*/ |
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| 104 | |||
| 105 | #endif /* __T2_H */ |