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/* -*- C++ -*-
*
* nsaconv.cpp - Images in NSA archive are re-scaled to 320x240 size
*
* Copyright (c) 2001-2014 Ogapee. All rights reserved.
*
* ogapee@aqua.dti2.ne.jp
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "NsaReader.h"
extern int scale_ratio_upper;
extern int scale_ratio_lower;
extern size_t rescaleJPEG( unsigned char *original_buffer, size_t length, unsigned char **rescaled_buffer,
int quality );
extern size_t rescaleBMP( unsigned char *original_buffer, unsigned char **rescaled_buffer,
bool output_jpeg_flag, int quality );
#ifdef main
#undef main
#endif
void help()
{
fprintf(stderr, "Usage: nsaconv [-e] [-j] [-ns2] [-ns3] [-q quality] src_width dst_width src_archive_file dst_archive_file\n");
fprintf(stderr, " quality ... 0 to 100\n");
fprintf(stderr, " src_width ... 640 or 800\n");
fprintf(stderr, " dst_width ... 176, 220, 320, 360, 384, 640, etc.\n");
exit(-1);
}
int main( int argc, char **argv )
{
NsaReader cSR;
unsigned int nsa_offset = 0;
unsigned long length, offset = 0, buffer_length = 0;
unsigned char *buffer = NULL, *rescaled_buffer = NULL;
unsigned int i, count;
int archive_type = BaseReader::ARCHIVE_TYPE_NSA;
bool enhanced_flag = false;
bool bmp2jpeg_flag = false;
int quality = 75;
FILE *fp;
argc--; // skip command name
argv++;
while (argc > 4){
if ( !strcmp( argv[0], "-e" ) ) enhanced_flag = true;
else if ( !strcmp( argv[0], "-j" ) ) bmp2jpeg_flag = true;
else if ( !strcmp( argv[0], "-ns2" ) ) nsa_offset = 1;
else if ( !strcmp( argv[0], "-ns3" ) ) nsa_offset = 2;
else if ( !strcmp( argv[0], "-q" ) ){
argc--;
argv++;
quality = atoi(argv[0]);
}
argc--;
argv++;
}
if (argc != 4) help();
if (bmp2jpeg_flag) enhanced_flag = false;
scale_ratio_lower = atoi(argv[0]); // src width
if (scale_ratio_lower!=640 && scale_ratio_lower!=800) help();
scale_ratio_upper = atoi(argv[1]); // dst width
if ( (fp = fopen( argv[3], "wb" ) ) == NULL ){
fprintf( stderr, "can't open file %s for writing.\n", argv[3] );
exit(-1);
}
cSR.openForConvert( argv[2], archive_type, nsa_offset );
count = cSR.getNumFiles();
SarReader::FileInfo sFI;
for ( i=0 ; i<count ; i++ ){
sFI = cSR.getFileByIndex( i );
printf( "%d/%d\n", i, count );
if ( i==0 ) offset = sFI.offset;
length = cSR.getFileLength( sFI.name );
if ( length > buffer_length ){
if ( buffer ) delete[] buffer;
buffer = new unsigned char[length];
buffer_length = length;
}
sFI.offset = offset;
if ( (strlen( sFI.name ) > 3 && !strcmp( sFI.name + strlen( sFI.name ) - 3, "JPG")) ||
(strlen( sFI.name ) > 4 && !strcmp( sFI.name + strlen( sFI.name ) - 4, "JPEG")) ){
if ( cSR.getFile( sFI.name, buffer ) != length ){
fprintf( stderr, "file %s can't be retrieved %ld\n", sFI.name, length );
continue;
}
sFI.length = rescaleJPEG( buffer, length, &rescaled_buffer, quality );
cSR.putFile( fp, i, sFI.offset, sFI.length, sFI.length, sFI.compression_type, true, rescaled_buffer );
}
else if ( strlen( sFI.name ) > 3 && !strcmp( sFI.name + strlen( sFI.name ) - 3, "BMP") ){
if ( cSR.getFile( sFI.name, buffer ) != length ){
fprintf( stderr, "file %s can't be retrieved %ld\n", sFI.name, length );
continue;
}
sFI.length = rescaleBMP( buffer, &rescaled_buffer, bmp2jpeg_flag, quality );
cSR.putFile( fp, i, sFI.offset, sFI.length, sFI.length, enhanced_flag?BaseReader::NBZ_COMPRESSION:sFI.compression_type, true, rescaled_buffer );
}
else if ( enhanced_flag && strlen( sFI.name ) > 3 && !strcmp( sFI.name + strlen( sFI.name ) - 3, "WAV") ){
if ( cSR.getFile( sFI.name, buffer ) != length ){
fprintf( stderr, "file %s can't be retrieved %ld\n", sFI.name, length );
continue;
}
sFI.length = cSR.putFile( fp, i, sFI.offset, sFI.length, length, BaseReader::NBZ_COMPRESSION, true, buffer );
}
else{
cSR.putFile( fp, i, sFI.offset, sFI.length, sFI.original_length, sFI.compression_type, false, buffer );
}
offset += sFI.length;
}
cSR.writeHeader( fp, archive_type, nsa_offset );
fclose(fp);
if ( rescaled_buffer ) delete[] rescaled_buffer;
if ( buffer ) delete[] buffer;
return 0;
}
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