2 * Copyright (c) 2004, Yannick Verschueren
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3 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
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4 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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5 * All rights reserved.
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7 * Redistribution and use in source and binary forms, with or without
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8 * modification, are permitted provided that the following conditions
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10 * 1. Redistributions of source code must retain the above copyright
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11 * notice, this list of conditions and the following disclaimer.
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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33 @brief JPT-stream reader (JPEG 2000, JPIP)
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35 JPT-stream functions are implemented in J2K.C.
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39 Message Header JPT stream structure
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41 typedef struct opj_jpt_msg_header {
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42 /** In-class Identifier */
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44 /** Last byte information */
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45 unsigned int last_byte;
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46 /** Class Identifier */
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47 unsigned int Class_Id;
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48 /** CSn : index identifier */
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49 unsigned int CSn_Id;
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50 /** Message offset */
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51 unsigned int Msg_offset;
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52 /** Message length */
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53 unsigned int Msg_length;
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54 /** Auxiliary for JPP case */
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55 unsigned int Layer_nb;
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56 } opj_jpt_msg_header_t;
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58 /* ----------------------------------------------------------------------- */
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61 Initialize the value of the message header structure
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62 @param header Message header structure
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64 void jpt_init_msg_header(opj_jpt_msg_header_t * header);
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67 Read the message header for a JPP/JPT - stream
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68 @param cinfo Codec context info
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69 @param cio CIO handle
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70 @param header Message header structure
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72 void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header);
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