Mercurial > hg > xmms-sid

annotate src/xs_length.c @ 449:230a9d79dd84

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Type cleanups/fixes.
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 17 Jan 2007 01:07:00 +0000
parents faf12767a6f1
children 57836945fa71
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1 /*
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2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
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3
332
961212302eb9 Comment
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4 Get song length from SLDB for PSID/RSID files
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5
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6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
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d2e6682d3ef8 Copyright year update
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7 (C) Copyright 1999-2007 Tecnic Software productions (TNSP)
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8
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9 This program is free software; you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 2 of the License, or
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12 (at your option) any later version.
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13
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14 This program is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License along
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20 with this program; if not, write to the Free Software Foundation, Inc.,
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21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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22 */
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23 #include "xs_length.h"
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24 #include "xs_support.h"
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25 #include "xs_config.h"
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26 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <ctype.h>
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29 #include <string.h>
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32 /* Free memory allocated for given SLDB node
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33 */
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34 static void xs_sldb_node_free(t_xs_sldb_node *pNode)
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35 {
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36 if (pNode) {
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37 /* Nothing much to do here ... */
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38 g_free(pNode->sLengths);
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39 g_free(pNode);
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40 }
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41 }
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43
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44 /* Insert given node to db linked list
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45 */
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46 static void xs_sldb_node_insert(t_xs_sldb *db, t_xs_sldb_node *pNode)
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47 {
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48 assert(db);
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49
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50 if (db->pNodes) {
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51 /* The first node's pPrev points to last node */
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52 LPREV = db->pNodes->pPrev; /* New node's prev = Previous last node */
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53 db->pNodes->pPrev->pNext = pNode; /* Previous last node's next = New node */
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54 db->pNodes->pPrev = pNode; /* New last node = New node */
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55 LNEXT = NULL; /* But next is NULL! */
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56 } else {
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57 db->pNodes = pNode; /* First node ... */
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58 LPREV = pNode; /* ... it's also last */
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59 LNEXT = NULL; /* But next is NULL! */
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60 }
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61 }
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63
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64 /* Parse a time-entry in SLDB format
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65 */
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66 static gint xs_sldb_gettime(gchar *pcStr, size_t *piPos)
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67 {
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68 gint iResult, iTemp;
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70 /* Check if it starts with a digit */
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71 if (isdigit(pcStr[*piPos])) {
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72 /* Get minutes-field */
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73 iResult = 0;
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74 while (isdigit(pcStr[*piPos]))
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75 iResult = (iResult * 10) + (pcStr[(*piPos)++] - '0');
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76
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77 iResult *= 60;
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78
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79 /* Check the field separator char */
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80 if (pcStr[*piPos] == ':') {
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81 /* Get seconds-field */
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82 (*piPos)++;
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83 iTemp = 0;
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84 while (isdigit(pcStr[*piPos])) {
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85 iTemp = (iTemp * 10) + (pcStr[(*piPos)++] - '0');
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86 }
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87
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88 iResult += iTemp;
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89 } else
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90 iResult = -2;
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91 } else
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92 iResult = -1;
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93
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94 /* Ignore and skip the possible attributes */
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95 while (pcStr[*piPos] && !isspace(pcStr[*piPos]))
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96 (*piPos)++;
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97
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98 return iResult;
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99 }
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101
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102 /* Parse one SLDB definition line, return SLDB node
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103 */
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104 t_xs_sldb_node * xs_sldb_read_entry(gchar *inLine)
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105 {
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106 size_t linePos;
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107 gint i;
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108 gboolean iOK;
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109 t_xs_sldb_node *tmpNode;
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110
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111 /* Allocate new node */
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112 tmpNode = (t_xs_sldb_node *) g_malloc0(sizeof(t_xs_sldb_node));
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113 if (!tmpNode) {
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114 xs_error(_("Error allocating new node. Fatal error.\n"));
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115 return NULL;
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116 }
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117
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118 /* Get hash value */
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119 linePos = 0;
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120 for (i = 0; i < XS_MD5HASH_LENGTH; i++, linePos += 2) {
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121 gint tmpu;
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122 sscanf(&inLine[linePos], "%2x", &tmpu);
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123 tmpNode->md5Hash[i] = tmpu;
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124 }
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125
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126 /* Get playtimes */
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127 if (inLine[linePos] != 0) {
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128 if (inLine[linePos] != '=') {
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129 xs_error(_("'=' expected on column #%d.\n"), linePos);
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130 xs_sldb_node_free(tmpNode);
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131 return NULL;
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132 } else {
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133 size_t tmpLen, savePos;
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134
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135 /* First playtime is after '=' */
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136 savePos = ++linePos;
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137 tmpLen = strlen(inLine);
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138
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139 /* Get number of sub-tune lengths */
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140 iOK = TRUE;
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141 while ((linePos < tmpLen) && iOK) {
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parents: 385
diff changeset
142 xs_findnext(inLine, &linePos);
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
Matti Hamalainen <ccr@tnsp.org>
parents: 392
diff changeset
143
389
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
144 if (xs_sldb_gettime(inLine, &linePos) >= 0)
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
145 tmpNode->nLengths++;
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
146 else
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
147 iOK = FALSE;
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
148 }
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
149
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
150 /* Allocate memory for lengths */
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
151 tmpNode->sLengths = (gint *) g_malloc0(tmpNode->nLengths * sizeof(gint));
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
152 if (!tmpNode->sLengths) {
424
faf12767a6f1 Preparing for internationalization.
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parents: 422
diff changeset
153 xs_error(_("Could not allocate memory for node.\n"));
389
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
154 xs_sldb_node_free(tmpNode);
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
155 return NULL;
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
156 }
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
157
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
158 /* Read lengths in */
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
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parents: 389
diff changeset
159 i = 0;
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parents: 389
diff changeset
160 linePos = savePos;
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parents: 389
diff changeset
161 iOK = TRUE;
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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parents: 392
diff changeset
162 while ((linePos < tmpLen) && (i < tmpNode->nLengths) && iOK) {
449
230a9d79dd84 Type cleanups/fixes.
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parents: 424
diff changeset
163 gint l;
230a9d79dd84 Type cleanups/fixes.
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parents: 424
diff changeset
164
389
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
165 xs_findnext(inLine, &linePos);
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
166
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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diff changeset
167 l = xs_sldb_gettime(inLine, &linePos);
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diff changeset
168 if (l >= 0)
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diff changeset
169 tmpNode->sLengths[i] = l;
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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diff changeset
170 else
389
3c239e4160d5 Cleanups.
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diff changeset
171 iOK = FALSE;
402
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diff changeset
172
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
173 i++;
389
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
174 }
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
175
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
176 if (!iOK) {
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
177 xs_sldb_node_free(tmpNode);
3c239e4160d5 Cleanups.
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diff changeset
178 return NULL;
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
179 } else
3c239e4160d5 Cleanups.
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diff changeset
180 return tmpNode;
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
181 }
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
182 }
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
183
3c239e4160d5 Cleanups.
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diff changeset
184 return NULL;
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
185 }
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
186
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
187
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
188 /* Read database to memory
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
189 */
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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diff changeset
190 gint xs_sldb_read(t_xs_sldb *db, const gchar *dbFilename)
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
191 {
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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diff changeset
192 FILE *inFile;
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diff changeset
193 gchar inLine[XS_BUF_SIZE];
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
194 gint lineNum;
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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diff changeset
195 t_xs_sldb_node *tmpNode;
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
196 assert(db);
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parents: 332
diff changeset
197
b1a858b8cb1a Re-indentation all (non-generated) code.
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diff changeset
198 /* Try to open the file */
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parents: 332
diff changeset
199 if ((inFile = fopen(dbFilename, "ra")) == NULL) {
424
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
200 xs_error(_("Could not open SongLengthDB '%s'\n"), dbFilename);
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
201 return -1;
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parents: 332
diff changeset
202 }
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
203
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
204 /* Read and parse the data */
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parents: 332
diff changeset
205 lineNum = 0;
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
206
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
207 while (!feof(inFile)) {
449
230a9d79dd84 Type cleanups/fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 424
diff changeset
208 size_t linePos;
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
209 fgets(inLine, XS_BUF_SIZE, inFile);
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
210 inLine[XS_BUF_SIZE - 1] = 0;
389
3c239e4160d5 Cleanups.
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parents: 385
diff changeset
211 linePos = 0;
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
212 lineNum++;
424
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
213
faf12767a6f1 Preparing for internationalization.
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parents: 422
diff changeset
214 xs_findnext(inLine, &linePos);
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
215
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
216 /* Check if it is datafield */
389
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
217 if (isxdigit(inLine[linePos])) {
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
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parents: 389
diff changeset
218 /* Check the length of the hash */
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
219 gint hashLen;
418
226627246616 Another fix for the fix, which was invalid. :P
Matti Hamalainen <ccr@tnsp.org>
parents: 417
diff changeset
220 for (hashLen = 0; inLine[linePos] && isxdigit(inLine[linePos]); hashLen++, linePos++);
389
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
221
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
222 if (hashLen != XS_MD5HASH_LENGTH_CH) {
424
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
223 xs_error(_("Invalid MD5-hash in SongLengthDB file '%s' line #%d!\n"),
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
224 dbFilename, lineNum);
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
225 } else {
389
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
226 /* Parse and add node to db */
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
227 if ((tmpNode = xs_sldb_read_entry(inLine)) != NULL) {
389
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
228 xs_sldb_node_insert(db, tmpNode);
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
229 } else {
424
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
230 xs_error(_("Invalid entry in SongLengthDB file '%s' line #%d!\n"),
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
231 dbFilename, lineNum);
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
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parents: 389
diff changeset
232 }
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
233 }
424
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
234 } else if ((inLine[linePos] != ';') && (inLine[linePos] != '[') && (inLine[linePos] != 0)) {
faf12767a6f1 Preparing for internationalization.
Matti Hamalainen <ccr@tnsp.org>
parents: 422
diff changeset
235 xs_error(_("Invalid line in SongLengthDB file '%s' line #%d\n"),
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
236 dbFilename, lineNum);
14
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
237 }
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
238
389
3c239e4160d5 Cleanups.
Matti Hamalainen <ccr@tnsp.org>
parents: 385
diff changeset
239 }
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
240
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
241 /* Close the file */
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
242 fclose(inFile);
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
243
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
244 return 0;
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
245 }
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
246
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
247
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
248 /* Compare two given MD5-hashes.
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
249 * Return: 0 if equal
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
250 * negative if testHash1 < testHash2
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
251 * positive if testHash1 > testHash2
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
252 */
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
253 static gint xs_sldb_cmphash(t_xs_md5hash testHash1, t_xs_md5hash testHash2)
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
254 {
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
255 gint i, d;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
256
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
257 /* Compute difference of hashes */
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
258 for (i = 0, d = 0; (i < XS_MD5HASH_LENGTH) && !d; i++)
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
259 d = (testHash1[i] - testHash2[i]);
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
260
392
b09d74eb71e6 Working on getting STIL and SLDB using completely dynamically allocated
Matti Hamalainen <ccr@tnsp.org>
parents: 389
diff changeset
261 return d;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
262 }
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
263
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
264
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
265 /* Get node from db index via binary search
14
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
266 */
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
267 static t_xs_sldb_node *xs_sldb_get_node(t_xs_sldb * db, t_xs_md5hash pHash)
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
268 {
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
269 gint iStartNode, iEndNode, iQNode, r, i;
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
270 gboolean iFound;
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
271 t_xs_sldb_node *pResult;
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
272
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
273 /* Check the database pointers */
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
274 if (!db || !db->pNodes || !db->ppIndex)
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
275 return NULL;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 223
diff changeset
276
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
277 /* Look-up via index using binary search */
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
278 pResult = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
279 iStartNode = 0;
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
280 iEndNode = (db->n - 1);
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
281 iQNode = (iEndNode / 2);
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
282 iFound = FALSE;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
283
369
4611f1194941 Make binary search bailout value a #define in xmms-sid.h
Matti Hamalainen <ccr@tnsp.org>
parents: 359
diff changeset
284 while ((!iFound) && ((iEndNode - iStartNode) > XS_BIN_BAILOUT)) {
359
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285 r = xs_sldb_cmphash(pHash, db->ppIndex[iQNode]->md5Hash);
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286 if (r < 0) {
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287 /* Hash was in the <- LEFT side */
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288 iEndNode = iQNode;
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289 iQNode = iStartNode + ((iEndNode - iStartNode) / 2);
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290 } else if (r > 0) {
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291 /* Hash was in the RIGHT -> side */
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292 iStartNode = iQNode;
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293 iQNode = iStartNode + ((iEndNode - iStartNode) / 2);
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294 } else
227
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295 iFound = TRUE;
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296 }
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297
359
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298 /* If not found already */
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299 if (!iFound) {
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300 /* Search the are linearly */
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301 iFound = FALSE;
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302 i = iStartNode;
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303 while ((i <= iEndNode) && (!iFound)) {
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304 if (xs_sldb_cmphash(pHash, db->ppIndex[i]->md5Hash) == 0)
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305 iFound = TRUE;
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306 else
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307 i++;
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308 }
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309
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310 /* Check the result */
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311 if (iFound)
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312 pResult = db->ppIndex[i];
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313
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314 } else {
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315 /* Found via binary search */
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316 pResult = db->ppIndex[iQNode];
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317 }
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318
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319 return pResult;
227
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320 }
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321
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322
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323 /* Compare two nodes
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324 */
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325 static gint xs_sldb_cmp(const void *pNode1, const void *pNode2)
14
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326 {
359
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327 /* We assume here that we never ever get NULL-pointers or similar */
385
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328 return xs_sldb_cmphash(
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329 (*(t_xs_sldb_node **) pNode1)->md5Hash,
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330 (*(t_xs_sldb_node **) pNode2)->md5Hash);
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331 }
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332
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333
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
334 /* (Re)create index
4
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335 */
359
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336 gint xs_sldb_index(t_xs_sldb * db)
4
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337 {
359
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338 t_xs_sldb_node *pCurr;
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339 gint i;
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340 assert(db);
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341
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342 /* Free old index */
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343 if (db->ppIndex) {
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344 g_free(db->ppIndex);
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345 db->ppIndex = NULL;
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346 }
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347
359
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348 /* Get size of db */
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349 pCurr = db->pNodes;
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350 db->n = 0;
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351 while (pCurr) {
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352 db->n++;
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353 pCurr = pCurr->pNext;
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354 }
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355
359
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diff changeset
356 /* Check number of nodes */
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diff changeset
357 if (db->n > 0) {
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diff changeset
358 /* Allocate memory for index-table */
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359 db->ppIndex = (t_xs_sldb_node **) g_malloc(sizeof(t_xs_sldb_node *) * db->n);
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diff changeset
360 if (!db->ppIndex)
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361 return -1;
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diff changeset
362
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diff changeset
363 /* Get node-pointers to table */
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diff changeset
364 i = 0;
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365 pCurr = db->pNodes;
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diff changeset
366 while (pCurr && (i < db->n)) {
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diff changeset
367 db->ppIndex[i++] = pCurr;
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368 pCurr = pCurr->pNext;
14
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diff changeset
369 }
f5d82424b0ed Made song-length database support FINALLY work!
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diff changeset
370
359
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diff changeset
371 /* Sort the indexes */
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diff changeset
372 qsort(db->ppIndex, db->n, sizeof(t_xs_sldb_node *), xs_sldb_cmp);
14
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diff changeset
373 }
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diff changeset
374
359
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diff changeset
375 return 0;
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diff changeset
376 }
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diff changeset
377
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
378
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
379 /* Free a given song-length database
14
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diff changeset
380 */
359
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diff changeset
381 void xs_sldb_free(t_xs_sldb * db)
14
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diff changeset
382 {
359
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diff changeset
383 t_xs_sldb_node *pCurr, *pNext;
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diff changeset
384
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diff changeset
385 if (!db)
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diff changeset
386 return;
14
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diff changeset
387
359
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diff changeset
388 /* Free the memory allocated for nodes */
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389 pCurr = db->pNodes;
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diff changeset
390 while (pCurr) {
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diff changeset
391 pNext = pCurr->pNext;
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diff changeset
392 xs_sldb_node_free(pCurr);
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diff changeset
393 pCurr = pNext;
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diff changeset
394 }
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parents: 332
diff changeset
395
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diff changeset
396 db->pNodes = NULL;
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
397
359
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diff changeset
398 /* Free memory allocated for index */
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parents: 332
diff changeset
399 if (db->ppIndex) {
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diff changeset
400 g_free(db->ppIndex);
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diff changeset
401 db->ppIndex = NULL;
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diff changeset
402 }
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parents: 332
diff changeset
403
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diff changeset
404 /* Free structure */
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diff changeset
405 db->n = 0;
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diff changeset
406 g_free(db);
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
407 }
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
408
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
409
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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diff changeset
410 /* Compute md5hash of given SID-file
4
4bb09e405eab Added new files for 0.8
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parents:
diff changeset
411 */
359
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diff changeset
412 typedef struct
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diff changeset
413 {
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diff changeset
414 gchar magicID[4]; /* "PSID" / "RSID" magic identifier */
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parents: 332
diff changeset
415 guint16 version, /* Version number */
385
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
416 dataOffset, /* Start of actual c64 data in file */
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
417 loadAddress, /* Loading address */
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
418 initAddress, /* Initialization address */
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
419 playAddress, /* Play one frame */
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
420 nSongs, /* Number of subsongs */
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
421 startSong; /* Default starting song */
359
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diff changeset
422 guint32 speed; /* Speed */
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diff changeset
423 gchar sidName[32]; /* Descriptive text-fields, ASCIIZ */
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diff changeset
424 gchar sidAuthor[32];
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diff changeset
425 gchar sidCopyright[32];
14
f5d82424b0ed Made song-length database support FINALLY work!
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diff changeset
426 } t_xs_psidv1_header;
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parents: 4
diff changeset
427
4
4bb09e405eab Added new files for 0.8
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diff changeset
428
359
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diff changeset
429 typedef struct
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diff changeset
430 {
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diff changeset
431 guint16 flags; /* Flags */
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diff changeset
432 guint8 startPage, pageLength;
14
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diff changeset
433 guint16 reserved;
f5d82424b0ed Made song-length database support FINALLY work!
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diff changeset
434 } t_xs_psidv2_header;
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
435
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
436
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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diff changeset
437 static gint xs_get_sid_hash(const gchar *pcFilename, t_xs_md5hash hash)
14
f5d82424b0ed Made song-length database support FINALLY work!
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diff changeset
438 {
359
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diff changeset
439 FILE *inFile;
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diff changeset
440 t_xs_md5state inState;
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diff changeset
441 t_xs_psidv1_header psidH;
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442 t_xs_psidv2_header psidH2;
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diff changeset
443 guint8 *songData;
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diff changeset
444 guint8 ib8[2], i8;
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diff changeset
445 gint iIndex, iRes;
14
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diff changeset
446
359
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diff changeset
447 /* Try to open the file */
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448 if ((inFile = fopen(pcFilename, "rb")) == NULL)
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diff changeset
449 return -1;
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diff changeset
450
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diff changeset
451 /* Read PSID header in */
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diff changeset
452 xs_rd_str(inFile, psidH.magicID, sizeof(psidH.magicID));
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diff changeset
453 if ((psidH.magicID[0] != 'P' && psidH.magicID[0] != 'R') ||
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parents: 332
diff changeset
454 (psidH.magicID[1] != 'S') || (psidH.magicID[2] != 'I') || (psidH.magicID[3] != 'D')) {
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diff changeset
455 fclose(inFile);
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456 return -2;
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diff changeset
457 }
14
f5d82424b0ed Made song-length database support FINALLY work!
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diff changeset
458
359
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diff changeset
459 psidH.version = xs_rd_be16(inFile);
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diff changeset
460 psidH.dataOffset = xs_rd_be16(inFile);
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diff changeset
461 psidH.loadAddress = xs_rd_be16(inFile);
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diff changeset
462 psidH.initAddress = xs_rd_be16(inFile);
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diff changeset
463 psidH.playAddress = xs_rd_be16(inFile);
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diff changeset
464 psidH.nSongs = xs_rd_be16(inFile);
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parents: 332
diff changeset
465 psidH.startSong = xs_rd_be16(inFile);
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parents: 332
diff changeset
466 psidH.speed = xs_rd_be32(inFile);
14
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
467
359
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diff changeset
468 xs_rd_str(inFile, psidH.sidName, sizeof(psidH.sidName));
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diff changeset
469 xs_rd_str(inFile, psidH.sidAuthor, sizeof(psidH.sidAuthor));
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diff changeset
470 xs_rd_str(inFile, psidH.sidCopyright, sizeof(psidH.sidCopyright));
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parents: 332
diff changeset
471
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diff changeset
472 /* Check if we need to load PSIDv2NG header ... */
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parents: 332
diff changeset
473 if (psidH.version == 2) {
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diff changeset
474 /* Yes, we need to */
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475 psidH2.flags = xs_rd_be16(inFile);
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diff changeset
476 psidH2.startPage = fgetc(inFile);
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parents: 332
diff changeset
477 psidH2.pageLength = fgetc(inFile);
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parents: 332
diff changeset
478 psidH2.reserved = xs_rd_be16(inFile);
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parents: 332
diff changeset
479 }
385
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
480
359
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diff changeset
481 /* Allocate buffer */
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diff changeset
482 songData = (guint8 *) g_malloc(XS_SIDBUF_SIZE * sizeof(guint8));
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parents: 332
diff changeset
483 if (!songData) {
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parents: 332
diff changeset
484 fclose(inFile);
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parents: 332
diff changeset
485 return -3;
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parents: 332
diff changeset
486 }
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parents: 332
diff changeset
487
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parents: 332
diff changeset
488 /* Read data to buffer */
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parents: 332
diff changeset
489 iRes = fread(songData, sizeof(guint8), XS_SIDBUF_SIZE, inFile);
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parents: 332
diff changeset
490 fclose(inFile);
14
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
491
359
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diff changeset
492 /* Initialize and start MD5-hash calculation */
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diff changeset
493 xs_md5_init(&inState);
385
7dc7e7dbbf90 Indentation fixes.
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parents: 369
diff changeset
494
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
495 if (psidH.loadAddress == 0) {
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parents: 332
diff changeset
496 /* Strip load address (2 first bytes) */
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parents: 332
diff changeset
497 xs_md5_append(&inState, &songData[2], iRes - 2);
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 223
diff changeset
498 } else {
359
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parents: 332
diff changeset
499 /* Append "as is" */
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parents: 332
diff changeset
500 xs_md5_append(&inState, songData, iRes);
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
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parents: 223
diff changeset
501 }
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
502
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
503 /* Free buffer */
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diff changeset
504 g_free(songData);
87
94497283affa Various fixes and improvements
Matti Hamalainen <ccr@tnsp.org>
parents: 86
diff changeset
505
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
506 /* Append header data to hash */
14
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
507 #define XSADDHASH(QDATAB) { ib8[0] = (QDATAB & 0xff); ib8[1] = (QDATAB >> 8); xs_md5_append(&inState, (guint8 *) &ib8, sizeof(ib8)); }
f5d82424b0ed Made song-length database support FINALLY work!
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parents: 4
diff changeset
508
359
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diff changeset
509 XSADDHASH(psidH.initAddress)
385
7dc7e7dbbf90 Indentation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 369
diff changeset
510 XSADDHASH(psidH.playAddress)
7dc7e7dbbf90 Indentation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 369
diff changeset
511 XSADDHASH(psidH.nSongs)
359
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parents: 332
diff changeset
512 #undef XSADDHASH
385
7dc7e7dbbf90 Indentation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 369
diff changeset
513
7dc7e7dbbf90 Indentation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 369
diff changeset
514 /* Append song speed data to hash */
7dc7e7dbbf90 Indentation fixes.
Matti Hamalainen <ccr@tnsp.org>
parents: 369
diff changeset
515 i8 = 0;
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
516 for (iIndex = 0; (iIndex < psidH.nSongs) && (iIndex < 32); iIndex++) {
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parents: 332
diff changeset
517 i8 = (psidH.speed & (1 << iIndex)) ? 60 : 0;
14
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
518 xs_md5_append(&inState, &i8, sizeof(i8));
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
519 }
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
520
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
521 /* Rest of songs (more than 32) */
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parents: 332
diff changeset
522 for (iIndex = 32; iIndex < psidH.nSongs; iIndex++) {
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parents: 332
diff changeset
523 xs_md5_append(&inState, &i8, sizeof(i8));
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Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
524 }
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
525
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
526 /* PSIDv2NG specific */
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Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
527 if (psidH.version == 2) {
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Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
528 /* SEE SIDPLAY HEADERS FOR INFO */
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Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
529 i8 = (psidH2.flags >> 2) & 3;
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Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
530 if (i8 == 2)
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parents: 332
diff changeset
531 xs_md5_append(&inState, &i8, sizeof(i8));
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parents: 332
diff changeset
532 }
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
533
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
534 /* Calculate the hash */
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parents: 332
diff changeset
535 xs_md5_finish(&inState, hash);
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
536
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
537 return 0;
14
f5d82424b0ed Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents: 4
diff changeset
538 }
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
539
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
540
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
541 /* Get song lengths
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
542 */
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
Matti Hamalainen <ccr@tnsp.org>
parents: 392
diff changeset
543 t_xs_sldb_node *xs_sldb_get(t_xs_sldb *db, const gchar *pcFilename)
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
544 {
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
545 t_xs_sldb_node *pResult;
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
546 t_xs_md5hash dbHash;
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
547
359
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
548 /* Get the hash and then look up from db */
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
549 if (xs_get_sid_hash(pcFilename, dbHash) == 0)
b1a858b8cb1a Re-indentation all (non-generated) code.
Matti Hamalainen <ccr@tnsp.org>
parents: 332
diff changeset
550 pResult = xs_sldb_get_node(db, dbHash);
227
92bad4c7b998 Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents: 223
diff changeset
551 else
359
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
552 pResult = NULL;
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
553
b1a858b8cb1a Re-indentation all (non-generated) code.
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parents: 332
diff changeset
554 return pResult;
4
4bb09e405eab Added new files for 0.8
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
555 }
230
608f31f6c095 Raw cleanup.
Matti Hamalainen <ccr@tnsp.org>
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diff changeset
556
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557
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558 /*
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559 * These should be moved out of this module some day ...
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560 */
359
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561 static t_xs_sldb *xs_sldb_db = NULL;
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562 XS_MUTEX(xs_sldb_db);
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563
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564 gint xs_songlen_init(void)
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565 {
359
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566 XS_MUTEX_LOCK(xs_cfg);
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567
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568 if (!xs_cfg.songlenDBPath) {
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569 XS_MUTEX_UNLOCK(xs_cfg);
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570 return -1;
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571 }
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572
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573 XS_MUTEX_LOCK(xs_sldb_db);
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574
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575 /* Check if already initialized */
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576 if (xs_sldb_db)
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577 xs_sldb_free(xs_sldb_db);
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578
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579 /* Allocate database */
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580 xs_sldb_db = (t_xs_sldb *) g_malloc0(sizeof(t_xs_sldb));
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581 if (!xs_sldb_db) {
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582 XS_MUTEX_UNLOCK(xs_cfg);
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583 XS_MUTEX_UNLOCK(xs_sldb_db);
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584 return -2;
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585 }
230
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586
359
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587 /* Read the database */
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588 if (xs_sldb_read(xs_sldb_db, xs_cfg.songlenDBPath) != 0) {
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589 xs_sldb_free(xs_sldb_db);
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590 xs_sldb_db = NULL;
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591 XS_MUTEX_UNLOCK(xs_cfg);
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592 XS_MUTEX_UNLOCK(xs_sldb_db);
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593 return -3;
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594 }
230
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595
359
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596 /* Create index */
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597 if (xs_sldb_index(xs_sldb_db) != 0) {
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598 xs_sldb_free(xs_sldb_db);
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599 xs_sldb_db = NULL;
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600 XS_MUTEX_UNLOCK(xs_cfg);
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601 XS_MUTEX_UNLOCK(xs_sldb_db);
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602 return -4;
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603 }
230
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604
359
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605 XS_MUTEX_UNLOCK(xs_cfg);
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606 XS_MUTEX_UNLOCK(xs_sldb_db);
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607 return 0;
230
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608 }
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609
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610
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611 void xs_songlen_close(void)
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612 {
359
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613 XS_MUTEX_LOCK(xs_sldb_db);
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614 xs_sldb_free(xs_sldb_db);
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615 xs_sldb_db = NULL;
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616 XS_MUTEX_UNLOCK(xs_sldb_db);
230
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617 }
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618
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619
402
f997b79a7251 More work on merging of improved STIL/SLDB handling code with completely
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620 t_xs_sldb_node *xs_songlen_get(const gchar * pcFilename)
230
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621 {
359
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622 t_xs_sldb_node *pResult;
230
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623
359
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624 XS_MUTEX_LOCK(xs_sldb_db);
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625
359
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626 if (xs_cfg.songlenDBEnable && xs_sldb_db)
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627 pResult = xs_sldb_get(xs_sldb_db, pcFilename);
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628 else
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629 pResult = NULL;
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630
359
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631 XS_MUTEX_UNLOCK(xs_sldb_db);
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632
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633 return pResult;
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634 }