nkeynes@31 | 1 | /**
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nkeynes@586 | 2 | * $Id$
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nkeynes@31 | 3 | *
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nkeynes@31 | 4 | * Miscellaneous utility functions.
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nkeynes@31 | 5 | *
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nkeynes@31 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@31 | 7 | *
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nkeynes@31 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@31 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@31 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@31 | 11 | * (at your option) any later version.
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nkeynes@31 | 12 | *
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nkeynes@31 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@31 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@31 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@31 | 16 | * GNU General Public License for more details.
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nkeynes@31 | 17 | */
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nkeynes@31 | 18 |
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nkeynes@495 | 19 | #define HAVE_EXECINFO_H 1
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nkeynes@495 | 20 |
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nkeynes@477 | 21 | #include <assert.h>
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nkeynes@425 | 22 | #include <ctype.h>
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nkeynes@437 | 23 | #include <stdarg.h>
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nkeynes@437 | 24 | #include <stdio.h>
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nkeynes@437 | 25 | #include <stdlib.h>
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nkeynes@495 | 26 | #include <signal.h>
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nkeynes@437 | 27 | #include <time.h>
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nkeynes@477 | 28 | #include <zlib.h>
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nkeynes@477 | 29 | #include <glib.h>
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nkeynes@477 | 30 | #include <png.h>
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nkeynes@17 | 31 | #include "dream.h"
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nkeynes@477 | 32 | #include "display.h"
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nkeynes@768 | 33 | #include "dreamcast.h"
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nkeynes@481 | 34 | #include "gui.h"
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nkeynes@586 | 35 | #include "sh4/sh4.h"
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nkeynes@437 | 36 |
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nkeynes@437 | 37 | char *msg_levels[] = { "FATAL", "ERROR", "WARN", "INFO", "DEBUG", "TRACE" };
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nkeynes@502 | 38 | int global_msg_level = EMIT_WARN;
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nkeynes@495 | 39 |
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nkeynes@495 | 40 | static void report_crash( int signo, siginfo_t *info, void *ptr )
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nkeynes@495 | 41 | {
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nkeynes@495 | 42 | char buf[128];
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nkeynes@495 | 43 |
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nkeynes@495 | 44 | fprintf( stderr, "--- Aborting with signal %d ---\n", signo );
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nkeynes@495 | 45 | // Get gdb to print a nice backtrace for us
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nkeynes@495 | 46 | snprintf( buf, 128, "gdb -batch -f --quiet --pid=%d -ex bt", getpid() );
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nkeynes@495 | 47 | system(buf);
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nkeynes@495 | 48 |
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nkeynes@495 | 49 | abort();
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nkeynes@495 | 50 | }
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nkeynes@495 | 51 |
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nkeynes@495 | 52 | void install_crash_handler(void)
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nkeynes@495 | 53 | {
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nkeynes@495 | 54 | struct sigaction sa;
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nkeynes@495 | 55 |
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nkeynes@495 | 56 | sa.sa_sigaction = report_crash;
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nkeynes@495 | 57 | sigemptyset(&sa.sa_mask);
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nkeynes@495 | 58 | sa.sa_flags = SA_RESETHAND|SA_SIGINFO;
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nkeynes@495 | 59 | sigaction( SIGSEGV, &sa, NULL );
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nkeynes@495 | 60 | }
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nkeynes@495 | 61 |
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nkeynes@17 | 62 |
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nkeynes@422 | 63 | void fwrite_string( const char *s, FILE *f )
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nkeynes@17 | 64 | {
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nkeynes@17 | 65 | uint32_t len = 0;
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nkeynes@17 | 66 | if( s == NULL ) {
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nkeynes@736 | 67 | fwrite( &len, sizeof(len), 1, f );
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nkeynes@17 | 68 | } else {
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nkeynes@736 | 69 | len = strlen(s)+1;
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nkeynes@736 | 70 | fwrite( &len, sizeof(len), 1, f );
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nkeynes@736 | 71 | fwrite( s, len, 1, f );
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nkeynes@17 | 72 | }
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nkeynes@17 | 73 | }
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nkeynes@17 | 74 |
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nkeynes@17 | 75 | int fread_string( char *s, int maxlen, FILE *f )
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nkeynes@17 | 76 | {
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nkeynes@17 | 77 | uint32_t len;
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nkeynes@17 | 78 | fread( &len, sizeof(len), 1, f );
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nkeynes@17 | 79 | if( len != 0 ) {
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nkeynes@736 | 80 | fread( s, len > maxlen ? maxlen : len, 1, f );
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nkeynes@17 | 81 | }
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nkeynes@17 | 82 | return len;
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nkeynes@17 | 83 | }
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nkeynes@117 | 84 |
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nkeynes@477 | 85 | void fwrite_gzip( void *p, size_t sz, size_t count, FILE *f )
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nkeynes@477 | 86 | {
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nkeynes@477 | 87 | uLongf size = sz*count;
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nkeynes@477 | 88 | uLongf csize = ((int)(size*1.001))+13;
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nkeynes@477 | 89 | unsigned char *tmp = g_malloc0( csize );
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nkeynes@477 | 90 | int status = compress( tmp, &csize, p, size );
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nkeynes@477 | 91 | assert( status == Z_OK );
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nkeynes@674 | 92 | uint32_t wsize = (uint32_t)csize;
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nkeynes@674 | 93 | fwrite( &wsize, sizeof(wsize), 1, f );
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nkeynes@477 | 94 | fwrite( tmp, csize, 1, f );
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nkeynes@477 | 95 | g_free(tmp);
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nkeynes@477 | 96 | }
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nkeynes@477 | 97 |
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nkeynes@477 | 98 | int fread_gzip( void *p, size_t sz, size_t count, FILE *f )
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nkeynes@477 | 99 | {
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nkeynes@477 | 100 | uLongf size = sz*count;
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nkeynes@674 | 101 | uint32_t csize;
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nkeynes@477 | 102 | unsigned char *tmp;
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nkeynes@477 | 103 |
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nkeynes@477 | 104 | fread( &csize, sizeof(csize), 1, f );
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nkeynes@477 | 105 | assert( csize <= (size*2) );
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nkeynes@477 | 106 | tmp = g_malloc0( csize );
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nkeynes@477 | 107 | fread( tmp, csize, 1, f );
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nkeynes@477 | 108 | int status = uncompress( p, &size, tmp, csize );
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nkeynes@477 | 109 | g_free(tmp);
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nkeynes@477 | 110 | if( status == Z_OK ) {
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nkeynes@736 | 111 | return count;
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nkeynes@477 | 112 | } else {
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nkeynes@736 | 113 | fprintf( stderr, "Error reading compressed data\n" );
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nkeynes@736 | 114 | return 0;
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nkeynes@477 | 115 | }
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nkeynes@477 | 116 | }
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nkeynes@477 | 117 |
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nkeynes@117 | 118 | void fwrite_dump( unsigned char *data, unsigned int length, FILE *f )
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nkeynes@117 | 119 | {
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nkeynes@117 | 120 | unsigned int i, j;
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nkeynes@117 | 121 | for( i =0; i<length; i+=16 ) {
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nkeynes@736 | 122 | fprintf( f, "%08X:", i);
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nkeynes@736 | 123 | for( j=i; j<i+16; j++ ) {
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nkeynes@736 | 124 | if( (j % 4) == 0 )
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nkeynes@736 | 125 | fprintf( f, " " );
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nkeynes@736 | 126 | if( j < length )
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nkeynes@736 | 127 | fprintf( f, " %02X", (unsigned int)(data[j]) );
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nkeynes@736 | 128 | else
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nkeynes@736 | 129 | fprintf( f, " " );
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nkeynes@736 | 130 | }
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nkeynes@736 | 131 | fprintf( f, " " );
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nkeynes@736 | 132 | for( j=i; j<i+16 && j<length; j++ ) {
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nkeynes@736 | 133 | fprintf( f, "%c", isprint(data[j]) ? data[j] : '.' );
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nkeynes@736 | 134 | }
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nkeynes@736 | 135 | fprintf( f, "\n" );
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nkeynes@117 | 136 | }
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nkeynes@117 | 137 | }
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nkeynes@187 | 138 |
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nkeynes@187 | 139 | void fwrite_dump32( unsigned int *data, unsigned int length, FILE *f )
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nkeynes@187 | 140 | {
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nkeynes@220 | 141 | fwrite_dump32v( data, length, 8, f );
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nkeynes@220 | 142 | }
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nkeynes@220 | 143 |
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nkeynes@220 | 144 | void fwrite_dump32v( unsigned int *data, unsigned int length, int wordsPerLine, FILE *f )
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nkeynes@220 | 145 | {
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nkeynes@187 | 146 | unsigned int i, j;
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nkeynes@220 | 147 | for( i =0; i<length>>2; i+=wordsPerLine ) {
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nkeynes@736 | 148 | fprintf( f, "%08X:", i);
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nkeynes@736 | 149 | for( j=i; j<i+wordsPerLine; j++ ) {
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nkeynes@736 | 150 | if( j < length )
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nkeynes@736 | 151 | fprintf( f, " %08X", (unsigned int)(data[j]) );
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nkeynes@736 | 152 | else
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nkeynes@736 | 153 | fprintf( f, " " );
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nkeynes@736 | 154 | }
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nkeynes@736 | 155 | fprintf( f, "\n" );
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nkeynes@187 | 156 | }
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nkeynes@187 | 157 | }
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nkeynes@437 | 158 |
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nkeynes@477 | 159 | gboolean write_png_to_stream( FILE *f, frame_buffer_t buffer )
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nkeynes@477 | 160 | {
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nkeynes@477 | 161 | int coltype, i;
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nkeynes@477 | 162 | png_bytep p;
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nkeynes@477 | 163 | png_structp png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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nkeynes@477 | 164 | if (!png_ptr) {
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nkeynes@736 | 165 | return FALSE;
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nkeynes@477 | 166 | }
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nkeynes@477 | 167 |
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nkeynes@477 | 168 | png_infop info_ptr = png_create_info_struct(png_ptr);
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nkeynes@477 | 169 | if (!info_ptr) {
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nkeynes@736 | 170 | png_destroy_write_struct(&png_ptr, NULL);
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nkeynes@736 | 171 | return FALSE;
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nkeynes@477 | 172 | }
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nkeynes@736 | 173 |
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nkeynes@477 | 174 | if( setjmp(png_jmpbuf(png_ptr)) ) {
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nkeynes@736 | 175 | png_destroy_write_struct(&png_ptr, &info_ptr);
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nkeynes@736 | 176 | return FALSE;
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nkeynes@477 | 177 | }
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nkeynes@477 | 178 | png_init_io( png_ptr, f );
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nkeynes@477 | 179 | switch( buffer->colour_format ) {
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nkeynes@477 | 180 | case COLFMT_BGR888:
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nkeynes@736 | 181 | coltype = PNG_COLOR_TYPE_RGB;
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nkeynes@736 | 182 | break;
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nkeynes@477 | 183 | case COLFMT_BGRA8888:
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nkeynes@736 | 184 | coltype = PNG_COLOR_TYPE_RGB_ALPHA;
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nkeynes@736 | 185 | break;
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nkeynes@477 | 186 | case COLFMT_BGR0888:
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nkeynes@736 | 187 | coltype = PNG_COLOR_TYPE_RGB;
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nkeynes@736 | 188 | break;
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nkeynes@477 | 189 | default:
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nkeynes@736 | 190 | coltype = PNG_COLOR_TYPE_RGB;
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nkeynes@477 | 191 | }
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nkeynes@477 | 192 | png_set_IHDR(png_ptr, info_ptr, buffer->width, buffer->height,
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nkeynes@736 | 193 | 8, coltype, PNG_INTERLACE_NONE,
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nkeynes@736 | 194 | PNG_COMPRESSION_TYPE_DEFAULT,
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nkeynes@736 | 195 | PNG_FILTER_TYPE_DEFAULT );
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nkeynes@477 | 196 | png_write_info(png_ptr, info_ptr);
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nkeynes@477 | 197 | if( buffer->colour_format == COLFMT_BGR0888 ) {
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nkeynes@736 | 198 | png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
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nkeynes@477 | 199 | }
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nkeynes@477 | 200 | png_set_bgr(png_ptr);
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nkeynes@477 | 201 | if( buffer->inverted ) {
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nkeynes@736 | 202 | p = (png_bytep)(buffer->data + (buffer->height*buffer->rowstride) - buffer->rowstride);
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nkeynes@736 | 203 | for(i=0; i<buffer->height; i++ ) {
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nkeynes@736 | 204 | png_write_row(png_ptr, p);
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nkeynes@736 | 205 | p-=buffer->rowstride;
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nkeynes@736 | 206 | }
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nkeynes@477 | 207 | } else {
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nkeynes@736 | 208 | p = (png_bytep)buffer->data;
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nkeynes@736 | 209 | for(i=0; i<buffer->height; i++ ) {
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nkeynes@736 | 210 | png_write_row(png_ptr, p);
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nkeynes@736 | 211 | p+=buffer->rowstride;
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nkeynes@736 | 212 | }
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nkeynes@477 | 213 | }
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nkeynes@477 | 214 | png_write_end(png_ptr, info_ptr);
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nkeynes@477 | 215 | png_destroy_write_struct(&png_ptr, &info_ptr);
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nkeynes@477 | 216 | return TRUE;
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nkeynes@477 | 217 | }
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nkeynes@477 | 218 |
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nkeynes@477 | 219 | frame_buffer_t read_png_from_stream( FILE *f )
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nkeynes@477 | 220 | {
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nkeynes@477 | 221 | png_bytep p;
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nkeynes@477 | 222 | int i;
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nkeynes@477 | 223 | png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
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nkeynes@736 | 224 | NULL, NULL, NULL);
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nkeynes@477 | 225 | if (!png_ptr) {
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nkeynes@736 | 226 | return NULL;
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nkeynes@477 | 227 | }
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nkeynes@477 | 228 |
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nkeynes@477 | 229 | png_infop info_ptr = png_create_info_struct(png_ptr);
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nkeynes@477 | 230 | if (!info_ptr) {
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nkeynes@736 | 231 | png_destroy_read_struct(&png_ptr, NULL, NULL);
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nkeynes@736 | 232 | return NULL;
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nkeynes@477 | 233 | }
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nkeynes@736 | 234 |
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nkeynes@477 | 235 | png_infop end_info = png_create_info_struct(png_ptr);
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nkeynes@477 | 236 | if (!end_info) {
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nkeynes@736 | 237 | png_destroy_read_struct(&png_ptr, &info_ptr, NULL );
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nkeynes@736 | 238 | return NULL;
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nkeynes@477 | 239 | }
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nkeynes@477 | 240 |
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nkeynes@477 | 241 | if( setjmp(png_jmpbuf(png_ptr)) ) {
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nkeynes@736 | 242 | png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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nkeynes@736 | 243 | return NULL;
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nkeynes@477 | 244 | }
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nkeynes@477 | 245 |
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nkeynes@477 | 246 | png_init_io(png_ptr, f);
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nkeynes@477 | 247 | png_read_info(png_ptr, info_ptr);
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nkeynes@736 | 248 |
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nkeynes@477 | 249 | png_uint_32 width, height;
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nkeynes@477 | 250 | int bit_depth, color_type, interlace_type,
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nkeynes@736 | 251 | compression_type, filter_method;
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nkeynes@477 | 252 | png_get_IHDR(png_ptr, info_ptr, &width, &height,
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nkeynes@736 | 253 | &bit_depth, &color_type, &interlace_type,
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nkeynes@736 | 254 | &compression_type, &filter_method);
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nkeynes@477 | 255 | assert( interlace_type == PNG_INTERLACE_NONE );
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nkeynes@477 | 256 | int rowbytes = png_get_rowbytes(png_ptr, info_ptr);
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nkeynes@477 | 257 | int channels = png_get_channels(png_ptr, info_ptr);
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nkeynes@477 | 258 | frame_buffer_t buffer = g_malloc( sizeof(struct frame_buffer) + rowbytes*height );
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nkeynes@502 | 259 | buffer->data = (unsigned char *)(buffer+1);
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nkeynes@477 | 260 | buffer->width = width;
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nkeynes@477 | 261 | buffer->height = height;
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nkeynes@477 | 262 | buffer->rowstride = rowbytes;
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nkeynes@477 | 263 | buffer->address = -1;
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nkeynes@477 | 264 | buffer->size = rowbytes*height;
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nkeynes@477 | 265 | buffer->inverted = FALSE;
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nkeynes@477 | 266 | if( channels == 4 ) {
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nkeynes@736 | 267 | buffer->colour_format = COLFMT_BGRA8888;
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nkeynes@477 | 268 | } else if( channels == 3 ) {
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nkeynes@736 | 269 | buffer->colour_format = COLFMT_RGB888;
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nkeynes@477 | 270 | }
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nkeynes@736 | 271 |
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nkeynes@481 | 272 | p = (png_bytep)buffer->data;
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nkeynes@477 | 273 | for( i=0; i<height; i++ ) {
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nkeynes@736 | 274 | png_read_row(png_ptr, p, NULL );
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nkeynes@736 | 275 | p += rowbytes;
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nkeynes@477 | 276 | }
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nkeynes@477 | 277 |
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nkeynes@477 | 278 | png_read_end(png_ptr, end_info);
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nkeynes@477 | 279 | png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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nkeynes@477 | 280 | return buffer;
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nkeynes@477 | 281 | }
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nkeynes@437 | 282 |
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nkeynes@586 | 283 | int get_log_level_from_string( const gchar *str )
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nkeynes@586 | 284 | {
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nkeynes@586 | 285 | switch( tolower(str[0]) ) {
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nkeynes@586 | 286 | case 'd': return EMIT_DEBUG;
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nkeynes@586 | 287 | case 'e': return EMIT_ERR;
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nkeynes@586 | 288 | case 'f': return EMIT_FATAL;
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nkeynes@586 | 289 | case 'i': return EMIT_INFO;
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nkeynes@586 | 290 | case 't': return EMIT_TRACE;
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nkeynes@586 | 291 | case 'w': return EMIT_WARN;
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nkeynes@586 | 292 | default: return -1;
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nkeynes@586 | 293 | }
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nkeynes@586 | 294 | }
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nkeynes@586 | 295 |
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nkeynes@586 | 296 | gboolean set_global_log_level( const gchar *str )
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nkeynes@586 | 297 | {
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nkeynes@586 | 298 | int l = get_log_level_from_string(str);
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nkeynes@586 | 299 | if( l == -1 ) {
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nkeynes@736 | 300 | return FALSE;
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nkeynes@586 | 301 | } else {
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nkeynes@736 | 302 | global_msg_level = l;
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nkeynes@736 | 303 | return TRUE;
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nkeynes@586 | 304 | }
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nkeynes@586 | 305 | }
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nkeynes@586 | 306 |
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nkeynes@437 | 307 | void log_message( void *ptr, int level, const gchar *source, const char *msg, ... )
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nkeynes@437 | 308 | {
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nkeynes@481 | 309 | char buf[20];
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nkeynes@437 | 310 | time_t tm = time(NULL);
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nkeynes@437 | 311 | va_list ap;
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nkeynes@437 | 312 |
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nkeynes@437 | 313 | if( level > global_msg_level ) {
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nkeynes@736 | 314 | return; // ignored
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nkeynes@437 | 315 | }
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nkeynes@447 | 316 |
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nkeynes@437 | 317 | va_start(ap, msg);
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nkeynes@535 | 318 | gchar *text = g_strdup_vprintf( msg, ap );
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nkeynes@535 | 319 | va_end(ap);
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nkeynes@736 | 320 |
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nkeynes@447 | 321 | if( level <= EMIT_ERR ) {
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nkeynes@736 | 322 | if( gui_error_dialog( text ) ) {
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nkeynes@736 | 323 | g_free(text);
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nkeynes@768 | 324 | // If we're running, halt on error to avoid potentially flooding
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nkeynes@768 | 325 | // the user with error messages.
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nkeynes@768 | 326 | if( dreamcast_is_running() ) {
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nkeynes@768 | 327 | dreamcast_stop();
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nkeynes@768 | 328 | }
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nkeynes@736 | 329 | return;
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nkeynes@736 | 330 | }
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nkeynes@447 | 331 | }
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nkeynes@447 | 332 |
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nkeynes@447 | 333 |
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nkeynes@437 | 334 | strftime( buf, sizeof(buf), "%H:%M:%S", localtime(&tm) );
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nkeynes@535 | 335 | fprintf( stderr, "%s %08X %-5s %s\n", buf, sh4r.pc, msg_levels[level], text );
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nkeynes@535 | 336 | g_free(text);
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nkeynes@437 | 337 | }
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