/*
 * Copyright (c) 2004, Yannick Verschueren
 * Copyright (c) 2005, Hervé Drolon, FreeImage Team
 * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __JPT_H
#define __JPT_H
/**
@file jpt.h
@brief JPT-stream reader (JPEG 2000, JPIP)

JPT-stream functions are implemented in J2K.C. 
*/

/**
Message Header JPT stream structure
*/
typedef struct opj_jpt_msg_header {
	/** In-class Identifier */
	unsigned int Id;
	/** Last byte information */
	unsigned int last_byte;	
	/** Class Identifier */
	unsigned int Class_Id;	
	/** CSn : index identifier */
	unsigned int CSn_Id;
	/** Message offset */
	unsigned int Msg_offset;
	/** Message length */
	unsigned int Msg_length;
	/** Auxiliary for JPP case */
	unsigned int Layer_nb;
} opj_jpt_msg_header_t;

/* ----------------------------------------------------------------------- */

/**
Initialize the value of the message header structure 
@param header Message header structure
*/
void jpt_init_msg_header(opj_jpt_msg_header_t * header);

/**
Read the message header for a JPP/JPT - stream
@param cinfo Codec context info
@param cio CIO handle
@param header Message header structure
*/
void jpt_read_msg_header(opj_common_ptr cinfo, opj_cio_t *cio, opj_jpt_msg_header_t *header);

#endif
