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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) 2002-2003, Yannick Verschueren |
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5 | * Copyright (c) 2005, Herve Drolon, FreeImage Team |
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6 | * All rights reserved. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS' |
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18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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27 | * POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
30 | #ifndef __JPT_H |
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31 | #define __JPT_H |
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32 | /** |
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33 | @file jpt.h |
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34 | @brief JPT-stream reader (JPEG 2000, JPIP) |
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35 | |||
36 | JPT-stream functions are implemented in J2K.C. |
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37 | */ |
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38 | |||
39 | /** |
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40 | Message Header JPT stream structure |
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41 | */ |
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42 | typedef struct opj_jpt_msg_header { |
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43 | /** In-class Identifier */ |
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44 | unsigned int Id; |
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45 | /** Last byte information */ |
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46 | unsigned int last_byte; |
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47 | /** Class Identifier */ |
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48 | unsigned int Class_Id; |
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49 | /** CSn : index identifier */ |
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50 | unsigned int CSn_Id; |
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51 | /** Message offset */ |
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52 | unsigned int Msg_offset; |
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53 | /** Message length */ |
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54 | unsigned int Msg_length; |
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55 | /** Auxiliary for JPP case */ |
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56 | unsigned int Layer_nb; |
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57 | } opj_jpt_msg_header_t; |
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58 | |||
59 | /* ----------------------------------------------------------------------- */ |
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60 | |||
61 | /** |
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62 | Initialize the value of the message header structure |
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63 | @param header Message header structure |
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64 | */ |
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65 | void jpt_init_msg_header(opj_jpt_msg_header_t * header); |
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66 | |||
67 | /** |
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68 | Read the message header for a JPP/JPT - stream |
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69 | @param cinfo Codec context info |
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70 | @param cio CIO handle |
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71 | @param header Message header structure |
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72 | */ |
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73 | void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header); |
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74 | |||
75 | #endif |