openjpeg/applications/jpip/libopenjpip/jp2k_encoder.c

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/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, Professor Benoit Macq
* Copyright (c) 2010-2011, Kaori Hagihara
* Copyright (c) 2011, Lucian Corlaciu, GSoC
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "jp2k_encoder.h"
#include "j2kheader_manager.h"
#include "imgreg_manager.h"
#ifdef SERVER
#include "fcgi_stdio.h"
#define logstream FCGI_stdout
#else
#define FCGI_stdout stdout
#define FCGI_stderr stderr
#define logstream stderr
#endif /*SERVER*/
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/**
* search a message by class_id
*
* @param[in] class_id class identifiers
* @param[in] in_class_id in-class identifiers, -1 means any
* @param[in] csn codestream number
* @param[in] msg first message pointer of the searching list
* @return found message pointer
*/
message_param_t * search_message( Byte8_t class_id, Byte8_t in_class_id, Byte8_t csn, message_param_t *msg);
/**
* reconstruct j2k codestream from JPT- (in future, JPP-) stream
*
* @param[in] msgqueue message queue pointer
* @param[in] jpipstream original JPT- JPP- stream
* @param[in] csn codestream number
* @param[in] fw reconstructing image frame width
* @param[in] fh reconstructing image frame height
* @param[out] codelen codestream length
* @return generated reconstructed j2k codestream
*/
Byte_t * recons_codestream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *codelen);
Byte_t * recons_j2k( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *j2klen)
{
Byte_t *j2kstream = NULL;
if( !msgqueue)
return NULL;
j2kstream = recons_codestream( msgqueue, jpipstream, csn, fw, fh, j2klen);
return j2kstream;
}
Byte_t * add_emptyboxstream( placeholder_param_t *phld, Byte_t *jp2stream, Byte8_t *jp2len);
Byte_t * add_msgstream( message_param_t *message, Byte_t *origstream, Byte_t *j2kstream, Byte8_t *j2klen);
Byte_t * recons_jp2( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, Byte8_t *jp2len)
{
message_param_t *ptr;
Byte_t *jp2stream = NULL;
Byte_t *codestream = NULL;
Byte8_t codelen;
Byte8_t jp2cDBoxOffset = 0, jp2cDBoxlen = 0;
*jp2len = 0;
if( !msgqueue)
return NULL;
ptr = msgqueue->first;
while(( ptr = search_message( METADATA_MSG, -1, csn, ptr))!=NULL){
if( ptr->phld){
if( strncmp( (char *)ptr->phld->OrigBH+4, "jp2c", 4) == 0){
jp2cDBoxOffset = *jp2len + ptr->phld->OrigBHlen;
jp2stream = add_emptyboxstream( ptr->phld, jp2stream, jp2len); /* header only */
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jp2cDBoxlen = *jp2len - jp2cDBoxOffset;
}
else
jp2stream = add_emptyboxstream( ptr->phld, jp2stream, jp2len); /* header only */
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}
jp2stream = add_msgstream( ptr, jpipstream, jp2stream, jp2len);
ptr = ptr->next;
}
codestream = recons_codestream( msgqueue, jpipstream, csn, 0, 0, &codelen);
if( jp2cDBoxOffset != 0 && codelen <= jp2cDBoxlen)
memcpy( jp2stream+jp2cDBoxOffset, codestream, codelen);
free( codestream);
return jp2stream;
}
bool isJPPstream( Byte8_t csn, msgqueue_param_t *msgqueue);
Byte_t * recons_codestream_from_JPTstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *j2klen);
Byte_t * recons_codestream_from_JPPstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *j2klen);
Byte_t * add_EOC( Byte_t *j2kstream, Byte8_t *j2klen);
Byte_t * recons_codestream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *codelen)
{
if( isJPPstream( csn, msgqueue))
return recons_codestream_from_JPPstream( msgqueue, jpipstream, csn, fw, fh, codelen);
else
return recons_codestream_from_JPTstream( msgqueue, jpipstream, csn, fw, fh, codelen);
}
bool isJPPstream( Byte8_t csn, msgqueue_param_t *msgqueue)
{
message_param_t *msg;
msg = msgqueue->first;
while( msg){
if( msg->csn == csn){
if( msg->class_id <= 2)
return true;
else
if( msg->class_id == 4 || msg->class_id == 5)
return false;
}
msg = msg->next;
}
fprintf( FCGI_stderr, "Error, message of csn %lld not found\n", csn);
return false;
}
Byte_t * add_mainhead_msgstream( msgqueue_param_t *msgqueue, Byte_t *origstream, Byte_t *j2kstream, Byte8_t csn, Byte8_t *j2klen);
Byte8_t get_last_tileID( msgqueue_param_t *msgqueue, Byte8_t csn, bool isJPPstream);
Byte_t * add_emptytilestream( const Byte8_t tileID, Byte_t *j2kstream, Byte8_t *j2klen);
Byte_t * recons_codestream_from_JPTstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *j2klen)
{
Byte_t *j2kstream = NULL;
Byte8_t last_tileID, tileID;
bool found;
Byte8_t binOffset;
message_param_t *ptr;
SIZmarker_param_t SIZ;
int mindeclev;
*j2klen = 0;
j2kstream = add_mainhead_msgstream( msgqueue, jpipstream, j2kstream, csn, j2klen);
if( !get_mainheader_from_j2kstream( j2kstream, &SIZ, NULL))
return j2kstream;
if( fw <= 0 || fh <= 0)
mindeclev = 0;
else
mindeclev = comp_decomplev( fw, fh, SIZ.Xsiz, SIZ.Ysiz);
last_tileID = get_last_tileID( msgqueue, csn, false);
for( tileID=0; tileID <= last_tileID; tileID++){
found = false;
binOffset = 0;
ptr = msgqueue->first;
while(( ptr = search_message( TILE_MSG, tileID, csn, ptr))!=NULL){
if( ptr->bin_offset == binOffset){
found = true;
j2kstream = add_msgstream( ptr, jpipstream, j2kstream, j2klen);
binOffset += ptr->length;
}
ptr = ptr->next;
}
ptr = msgqueue->first;
while(( ptr = search_message( EXT_TILE_MSG, tileID, csn, ptr))!=NULL){
if( ptr->aux > mindeclev){ /* FIXME: pointer comparison ? */
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if( ptr->bin_offset == binOffset){
found = true;
j2kstream = add_msgstream( ptr, jpipstream, j2kstream, j2klen);
binOffset += ptr->length;
}
}
ptr = ptr->next;
}
if(!found)
j2kstream = add_emptytilestream( tileID, j2kstream, j2klen);
}
j2kstream = add_EOC( j2kstream, j2klen);
return j2kstream;
}
Byte_t * add_SOTmkr( Byte_t *j2kstream, Byte8_t *j2klen);
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Byte_t * recons_bitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
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Byte_t * recons_codestream_from_JPPstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, int fw, int fh, Byte8_t *j2klen)
{
Byte_t *j2kstream = NULL;
Byte8_t tileID, last_tileID;
Byte8_t SOToffset;
bool foundTH;
Byte8_t binOffset;
message_param_t *ptr;
SIZmarker_param_t SIZ;
CODmarker_param_t COD;
int max_reslev, mindeclev;
*j2klen = 0;
j2kstream = add_mainhead_msgstream( msgqueue, jpipstream, j2kstream, csn, j2klen);
if( !get_mainheader_from_j2kstream( j2kstream, &SIZ, &COD))
return j2kstream;
if( fw == 0 || fh == 0)
mindeclev = 0;
else
mindeclev = comp_decomplev( fw, fh, SIZ.Xsiz, SIZ.Ysiz);
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max_reslev = -1;
last_tileID = get_last_tileID( msgqueue, csn, true);
for( tileID=0; tileID <= last_tileID; tileID++){
ptr = msgqueue->first;
binOffset = 0;
foundTH = false;
SOToffset = *j2klen;
while(( ptr = search_message( TILE_HEADER_MSG, tileID, csn, ptr))!=NULL){
if( ptr->bin_offset == binOffset){
j2kstream = add_SOTmkr( j2kstream, j2klen);
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j2kstream = add_msgstream( ptr, jpipstream, j2kstream, j2klen);
foundTH = true;
binOffset += ptr->length;
}
ptr = ptr->next;
}
if( foundTH){
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j2kstream = recons_bitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, &max_reslev, j2klen);
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modify_tileheader( j2kstream, SOToffset, (max_reslev<COD.numOfdecomp ? max_reslev : -1), SIZ.Csiz, j2klen);
}
else
j2kstream = add_emptytilestream( tileID, j2kstream, j2klen);
}
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if( max_reslev < COD.numOfdecomp)
if( !modify_mainheader( j2kstream, max_reslev, SIZ, COD, j2klen)){
delete_COD( COD);
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return j2kstream;
}
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j2kstream = add_EOC( j2kstream, j2klen);
delete_COD( COD);
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return j2kstream;
}
Byte_t * add_mainhead_msgstream( msgqueue_param_t *msgqueue, Byte_t *origstream, Byte_t *j2kstream, Byte8_t csn, Byte8_t *j2klen)
{
message_param_t *ptr;
Byte8_t binOffset;
ptr = msgqueue->first;
binOffset = 0;
while(( ptr = search_message( MAINHEADER_MSG, -1, csn, ptr))!=NULL){
if( ptr->bin_offset == binOffset){
j2kstream = add_msgstream( ptr, origstream, j2kstream, j2klen);
binOffset += ptr->length;
}
ptr = ptr->next;
}
return j2kstream;
}
Byte_t * add_SOTmkr( Byte_t *j2kstream, Byte8_t *j2klen)
{
Byte_t *buf;
const Byte2_t SOT = 0x90ff;
buf = (Byte_t *)malloc(( *j2klen)+2);
memcpy( buf, j2kstream, *j2klen);
memcpy( buf+(*j2klen), &SOT, 2);
*j2klen += 2;
if(j2kstream) free(j2kstream);
return buf;
}
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Byte_t * recons_LRCPbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
Byte_t * recons_RLCPbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
Byte_t * recons_RPCLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
Byte_t * recons_PCRLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
Byte_t * recons_CPRLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen);
Byte_t * recons_bitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
switch( COD.prog_order){
case LRCP:
return recons_LRCPbitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, max_reslev, j2klen);
case RLCP:
return recons_RLCPbitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, max_reslev, j2klen);
case RPCL:
return recons_RPCLbitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, max_reslev, j2klen);
case PCRL:
return recons_PCRLbitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, max_reslev, j2klen);
case CPRL:
return recons_CPRLbitstream( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, mindeclev, max_reslev, j2klen);
default:
fprintf( FCGI_stderr, "Error, progression order not supported\n");
}
return j2kstream;
}
int comp_numOfprcts( Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int r);
Byte8_t comp_seqID( Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int r, int p);
Byte_t * recons_packet( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int *max_reslev,
int comp_idx, int res_idx, int prct_idx, int lay_idx, Byte8_t *j2klen);
Byte_t * recons_LRCPbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
int r, p, c, l, numOfprcts;
for( l=0; l<COD.numOflayers; l++)
for( r=0; r<=(COD.numOfdecomp-mindeclev); r++){
if( COD.Scod & 0x01)
numOfprcts = comp_numOfprcts( tileID, SIZ, COD, r);
else
numOfprcts = 1;
for( c=0; c<SIZ.Csiz; c++)
for( p=0; p<numOfprcts; p++)
j2kstream = recons_packet( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, max_reslev, c, r, p, l, j2klen);
}
return j2kstream;
}
Byte_t * recons_RLCPbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
int r, p, c, l, numOfprcts;
for( r=0; r<=(COD.numOfdecomp-mindeclev); r++){
if( COD.Scod & 0x01)
numOfprcts = comp_numOfprcts( tileID, SIZ, COD, r);
else
numOfprcts = 1;
for( l=0; l<COD.numOflayers; l++)
for( c=0; c<SIZ.Csiz; c++)
for( p=0; p<numOfprcts; p++)
j2kstream = recons_packet( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, max_reslev, c, r, p, l, j2klen);
}
return j2kstream;
}
Byte_t * recons_precinct( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int *max_reslev,
int comp_idx, int res_idx, Byte8_t seqID, Byte8_t *j2klen);
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Byte_t * recons_RPCLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
int r, p, c, numOfprcts;
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Byte8_t seqID;
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for( r=0, seqID=0; r<=(COD.numOfdecomp-mindeclev); r++){
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if( COD.Scod & 0x01)
numOfprcts = comp_numOfprcts( tileID, SIZ, COD, r);
else
numOfprcts = 1;
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for( p=0; p<numOfprcts; p++, seqID++)
for( c=0; c<SIZ.Csiz; c++)
j2kstream = recons_precinct( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, max_reslev, c, r, seqID, j2klen);
}
return j2kstream;
}
Byte_t * recons_PCRLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
int r, p, c, min_numOfprcts, numOfprcts, min_numOfres;
Byte8_t seqID;
min_numOfres = COD.numOfdecomp-mindeclev + 1;
if( COD.Scod & 0x01){
min_numOfprcts = 0;
for( r=0; r<min_numOfres; r++){
numOfprcts = comp_numOfprcts( tileID, SIZ, COD, r);
if( numOfprcts < min_numOfprcts || min_numOfprcts == 0)
min_numOfprcts = numOfprcts;
}
}
else
min_numOfprcts = 1;
for( p=0; p<min_numOfprcts; p++)
for( c=0; c<SIZ.Csiz; c++)
for( r=0; r<min_numOfres; r++){
seqID = comp_seqID( tileID, SIZ, COD, r, p);
j2kstream = recons_precinct( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, max_reslev, c, r, seqID, j2klen);
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}
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return j2kstream;
}
Byte_t * recons_CPRLbitstream( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int mindeclev,
int *max_reslev, Byte8_t *j2klen)
{
int r, p, c, min_numOfprcts, numOfprcts, min_numOfres;
Byte8_t seqID;
min_numOfres = COD.numOfdecomp-mindeclev + 1;
if( COD.Scod & 0x01){
min_numOfprcts = 0;
for( r=0; r<min_numOfres; r++){
numOfprcts = comp_numOfprcts( tileID, SIZ, COD, r);
if( numOfprcts < min_numOfprcts || min_numOfprcts == 0)
min_numOfprcts = numOfprcts;
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}
}
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else
min_numOfprcts = 1;
for( c=0; c<SIZ.Csiz; c++)
for( p=0; p<min_numOfprcts; p++)
for( r=0; r<min_numOfres; r++){
seqID = comp_seqID( tileID, SIZ, COD, r, p);
j2kstream = recons_precinct( msgqueue, jpipstream, j2kstream, csn, tileID, SIZ, COD, max_reslev, c, r, seqID, j2klen);
}
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return j2kstream;
}
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int comp_numOfprcts( Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int r)
{
Byte4_t XTsiz, YTsiz;
XTsiz = get_tile_XSiz( SIZ, tileID, COD.numOfdecomp-r);
YTsiz = get_tile_YSiz( SIZ, tileID, COD.numOfdecomp-r);
return ceil((double)XTsiz/(double)COD.XPsiz[r])*ceil((double)YTsiz/(double)COD.YPsiz[r]);
}
Byte_t * add_padding( Byte8_t padding, Byte_t *j2kstream, Byte8_t *j2klen);
Byte_t * recons_packet( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int *max_reslev,
int comp_idx, int res_idx, int prct_idx, int lay_idx, Byte8_t *j2klen)
{
Byte8_t seqID, precID, binOffset;
message_param_t *ptr;
bool foundPrec;
int l;
seqID = comp_seqID( tileID, SIZ, COD, res_idx, prct_idx);
precID = comp_precinct_id( tileID, comp_idx, seqID, SIZ.Csiz, SIZ.XTnum*SIZ.YTnum);
ptr = msgqueue->first;
binOffset = 0;
foundPrec = false;
l = 0;
while(( ptr = search_message( PRECINCT_MSG, precID, csn, ptr))!=NULL){
if( ptr->bin_offset == binOffset){
if( lay_idx == l){
j2kstream = add_msgstream( ptr, jpipstream, j2kstream, j2klen);
foundPrec = true;
if( *max_reslev < res_idx)
*max_reslev = res_idx;
break;
}
binOffset += ptr->length;
l++;
}
ptr = ptr->next;
}
if( !foundPrec && COD.Scod & 0x01)
j2kstream = add_padding( 1, j2kstream, j2klen);
return j2kstream;
}
Byte_t * recons_precinct( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte_t *j2kstream, Byte8_t csn,
Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int *max_reslev,
int comp_idx, int res_idx, Byte8_t seqID, Byte8_t *j2klen)
{
Byte8_t precID, binOffset;
message_param_t *ptr;
bool foundPrec;
precID = comp_precinct_id( tileID, comp_idx, seqID, SIZ.Csiz, SIZ.XTnum*SIZ.YTnum);
ptr = msgqueue->first;
binOffset = 0;
foundPrec = false;
while(( ptr = search_message( PRECINCT_MSG, precID, csn, ptr))!=NULL){
if( ptr->bin_offset == binOffset){
j2kstream = add_msgstream( ptr, jpipstream, j2kstream, j2klen);
foundPrec = true;
binOffset += ptr->length;
if( *max_reslev < res_idx)
*max_reslev = res_idx;
if( ptr->last_byte)
break;
}
ptr = ptr->next;
}
if(!foundPrec && COD.Scod & 0x01)
j2kstream = add_padding( COD.numOflayers, j2kstream, j2klen);
return j2kstream;
}
Byte8_t comp_seqID( Byte8_t tileID, SIZmarker_param_t SIZ, CODmarker_param_t COD, int r, int p)
{
Byte8_t seqID = 0;
int rr;
for( rr=0; rr<r; rr++)
seqID += comp_numOfprcts( tileID, SIZ, COD, rr);
seqID += p;
return seqID;
}
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Byte8_t get_last_tileID( msgqueue_param_t *msgqueue, Byte8_t csn, bool isJPPstream)
{
Byte8_t last_tileID = 0;
message_param_t *msg;
msg = msgqueue->first;
while( msg){
if( isJPPstream){
if((msg->class_id == TILE_HEADER_MSG) && msg->csn == csn && last_tileID < msg->in_class_id)
last_tileID = msg->in_class_id;
}
else{
if((msg->class_id == TILE_MSG || msg->class_id == EXT_TILE_MSG) && msg->csn == csn && last_tileID < msg->in_class_id)
last_tileID = msg->in_class_id;
}
msg = msg->next;
}
return last_tileID;
}
message_param_t * search_message( Byte8_t class_id, Byte8_t in_class_id, Byte8_t csn, message_param_t *msg)
{
while( msg != NULL){
if( in_class_id == (Byte8_t)-1){
2011-09-30 17:31:06 +02:00
if( msg->class_id == class_id && msg->csn == csn)
return msg;
}
else{
if( msg->class_id == class_id && msg->in_class_id == in_class_id && msg->csn == csn)
return msg;
}
msg = msg->next;
}
return NULL;
}
Byte_t * gene_msgstream( message_param_t *message, Byte_t *stream, Byte8_t *length);
Byte_t * gene_emptytilestream( const Byte8_t tileID, Byte8_t *length);
Byte_t * add_msgstream( message_param_t *message, Byte_t *origstream, Byte_t *j2kstream, Byte8_t *j2klen)
{
Byte_t *newstream;
Byte8_t newlen;
Byte_t *buf;
if( !message)
return NULL;
newstream = gene_msgstream( message, origstream, &newlen);
buf = (Byte_t *)malloc(( *j2klen)+newlen);
memcpy( buf, j2kstream, *j2klen);
memcpy( buf+(*j2klen), newstream, newlen);
*j2klen += newlen;
free( newstream);
if(j2kstream) free(j2kstream);
return buf;
}
Byte_t * add_emptyboxstream( placeholder_param_t *phld, Byte_t *jp2stream, Byte8_t *jp2len)
{
Byte_t *newstream;
Byte8_t newlen;
Byte_t *buf;
if( phld->OrigBHlen == 8)
newlen = big4(phld->OrigBH);
else
newlen = big8(phld->OrigBH+8);
newstream = (Byte_t *)malloc( newlen);
memset( newstream, 0, newlen);
memcpy( newstream, phld->OrigBH, phld->OrigBHlen);
buf = (Byte_t *)malloc(( *jp2len)+newlen);
memcpy( buf, jp2stream, *jp2len);
memcpy( buf+(*jp2len), newstream, newlen);
*jp2len += newlen;
free( newstream);
if(jp2stream) free(jp2stream);
return buf;
}
Byte_t * add_emptytilestream( const Byte8_t tileID, Byte_t *j2kstream, Byte8_t *j2klen)
{
Byte_t *newstream;
Byte8_t newlen;
Byte_t *buf;
newstream = gene_emptytilestream( tileID, &newlen);
buf = (Byte_t *)malloc(( *j2klen)+newlen);
memcpy( buf, j2kstream, *j2klen);
memcpy( buf+(*j2klen), newstream, newlen);
*j2klen += newlen;
free( newstream);
if(j2kstream) free(j2kstream);
return buf;
}
Byte_t * add_padding( Byte8_t padding, Byte_t *j2kstream, Byte8_t *j2klen)
{
Byte_t *buf;
buf = (Byte_t *)malloc(( *j2klen)+padding);
memcpy( buf, j2kstream, *j2klen);
memset( buf+(*j2klen), 0, padding);
*j2klen += padding;
if(j2kstream) free(j2kstream);
return buf;
}
Byte_t * add_EOC( Byte_t *j2kstream, Byte8_t *j2klen)
{
Byte2_t EOC = 0xd9ff;
Byte_t *buf;
buf = (Byte_t *)malloc(( *j2klen)+2);
memcpy( buf, j2kstream, *j2klen);
memcpy( buf+(*j2klen), &EOC, 2);
*j2klen += 2;
if(j2kstream) free(j2kstream);
return buf;
}
Byte_t * gene_msgstream( message_param_t *message, Byte_t *stream, Byte8_t *length)
{
Byte_t *buf;
if( !message)
return NULL;
*length = message->length;
buf = (Byte_t *)malloc( *length);
memcpy( buf, stream+message->res_offset, *length);
return buf;
}
Byte_t * gene_emptytilestream( const Byte8_t tileID, Byte8_t *length)
{
Byte_t *buf;
const Byte2_t SOT = 0x90ff;
const Byte2_t Lsot = 0xa << 8;
Byte2_t Isot;
const Byte4_t Psot = 0xe << 24;
const Byte_t TPsot = 0, TNsot = 1;
const Byte2_t SOD = 0x93ff;
*length = 14;
buf = (Byte_t *)malloc(*length);
Isot = (((Byte2_t)tileID) << 8) | ((((Byte2_t)tileID) & 0xf0) >> 8);
memcpy( buf, &SOT, 2);
memcpy( buf+2, &Lsot, 2);
memcpy( buf+4, &Isot, 2);
memcpy( buf+6, &Psot, 4);
memcpy( buf+10, &TPsot, 1);
memcpy( buf+11, &TNsot, 1);
memcpy( buf+12, &SOD, 2);
return buf;
}
Byte_t * recons_j2kmainhead( msgqueue_param_t *msgqueue, Byte_t *jpipstream, Byte8_t csn, Byte8_t *j2klen)
{
*j2klen = 0;
return add_mainhead_msgstream( msgqueue, jpipstream, NULL, csn, j2klen);
}