Mercurial > hg > xmms-sid
annotate src/xs_length.c @ 324:dd201740a720
Changed copyright text.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Tue, 11 Jan 2005 04:11:02 +0000 |
parents | 2b22c1f45097 |
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rev | line source |
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4 | 1 /* |
2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) | |
3 | |
4 Get song length (from database or by other means) | |
5 | |
324 | 6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> |
7 (C) Copyright 1999-2005 Tecnic Software productions (TNSP) | |
4 | 8 |
9 This program is free software; you can redistribute it and/or modify | |
10 it under the terms of the GNU General Public License as published by | |
11 the Free Software Foundation; either version 2 of the License, or | |
12 (at your option) any later version. | |
13 | |
14 This program is distributed in the hope that it will be useful, | |
15 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 GNU General Public License for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License | |
20 along with this program; if not, write to the Free Software | |
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
22 */ | |
39 | 23 #include "xs_length.h" |
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24 #include "xs_support.h" |
230 | 25 #include "xs_config.h" |
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26 #include <stdio.h> |
4 | 27 #include <stdlib.h> |
28 #include <ctype.h> | |
29 #include <string.h> | |
30 | |
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31 |
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32 /* Database handling functions |
4 | 33 */ |
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34 static t_xs_sldb_node *xs_sldb_node_new(void) |
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35 { |
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36 t_xs_sldb_node *pResult; |
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37 |
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38 /* Allocate memory for new node */ |
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39 pResult = (t_xs_sldb_node *) g_malloc0(sizeof(t_xs_sldb_node)); |
86 | 40 if (!pResult) return NULL; |
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41 |
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42 return pResult; |
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43 } |
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44 |
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45 |
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46 static void xs_sldb_node_free(t_xs_sldb_node *pNode) |
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47 { |
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48 if (pNode) |
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49 { |
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50 /* Nothing much to do here ... */ |
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51 g_free(pNode); |
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52 } |
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53 } |
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54 |
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55 |
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56 /* Insert given node to db linked list |
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57 */ |
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58 static void xs_sldb_node_insert(t_xs_sldb *db, t_xs_sldb_node *pNode) |
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59 { |
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60 assert(db); |
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61 |
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62 if (db->pNodes) |
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63 { |
86 | 64 /* The first node's pPrev points to last node */ |
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65 LPREV = db->pNodes->pPrev; /* New node's prev = Previous last node */ |
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66 db->pNodes->pPrev->pNext = pNode; /* Previous last node's next = New node */ |
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67 db->pNodes->pPrev = pNode; /* New last node = New node */ |
86 | 68 LNEXT = NULL; /* But next is NULL! */ |
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69 } else { |
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70 db->pNodes = pNode; /* First node ... */ |
86 | 71 LPREV = pNode; /* ... it's also last */ |
72 LNEXT = NULL; /* But next is NULL! */ | |
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73 } |
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74 } |
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75 |
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76 |
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77 /* Parses a time-entry in SLDB format |
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78 */ |
289 | 79 static gint32 xs_sldb_gettime(gchar *pcStr, size_t *piPos) |
4 | 80 { |
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81 gint32 iResult, iTemp; |
4 | 82 |
83 /* Check if it starts with a digit */ | |
84 if (isdigit(pcStr[*piPos])) | |
85 { | |
86 /* Get minutes-field */ | |
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87 iResult = 0; |
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88 while (isdigit(pcStr[*piPos])) |
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89 iResult = (iResult * 10) + (pcStr[(*piPos)++] - '0'); |
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90 |
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91 iResult *= 60; |
4 | 92 |
93 /* Check the field separator char */ | |
94 if (pcStr[*piPos] == ':') | |
95 { | |
96 /* Get seconds-field */ | |
97 (*piPos)++; | |
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98 iTemp = 0; |
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99 while (isdigit(pcStr[*piPos])) |
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100 iTemp = (iTemp * 10) + (pcStr[(*piPos)++] - '0'); |
4 | 101 |
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102 iResult += iTemp; |
4 | 103 } else |
104 iResult = -2; | |
105 } else | |
106 iResult = -1; | |
107 | |
108 /* Ignore and skip the possible attributes */ | |
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109 while (pcStr[*piPos] && !isspace(pcStr[*piPos])) (*piPos)++; |
4 | 110 |
111 return iResult; | |
112 } | |
113 | |
114 | |
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115 /* Read database to memory |
4 | 116 */ |
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117 gint xs_sldb_read(t_xs_sldb *db, gchar *dbFilename) |
4 | 118 { |
119 FILE *inFile; | |
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120 gchar inLine[XS_BUF_SIZE]; |
289 | 121 size_t lineNum, linePos; |
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122 gboolean iOK; |
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123 t_xs_sldb_node *tmpNode; |
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124 assert(db); |
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125 |
4 | 126 /* Try to open the file */ |
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127 if ((inFile = fopen(dbFilename, "ra")) == NULL) |
4 | 128 { |
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129 XSERR("Could not open SongLengthDB '%s'\n", dbFilename); |
4 | 130 return -1; |
131 } | |
132 | |
133 /* Read and parse the data */ | |
134 lineNum = 0; | |
135 | |
136 while (!feof(inFile)) | |
137 { | |
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138 fgets(inLine, XS_BUF_SIZE, inFile); |
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139 inLine[XS_BUF_SIZE-1] = 0; |
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140 lineNum++; |
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141 |
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142 /* Check if it is datafield */ |
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143 if (isxdigit(inLine[0])) |
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144 { |
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145 /* Check the length of the hash */ |
4 | 146 linePos = 0; |
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147 while (isxdigit(inLine[linePos])) linePos++; |
4 | 148 |
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149 if (linePos != XS_MD5HASH_LENGTH_CH) |
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150 { |
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151 XSERR("Invalid hash in SongLengthDB file '%s' line #%d!\n", |
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152 dbFilename, lineNum); |
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153 } else { |
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154 /* Allocate new node */ |
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155 if ((tmpNode = xs_sldb_node_new()) == NULL) |
4 | 156 { |
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157 XSERR("Error allocating new node. Fatal error.\n"); |
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158 exit(5); |
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159 } |
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160 |
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161 /* Get hash value */ |
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162 #if (XS_MD5HASH_LENGTH != 16) |
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163 #error Mismatch in hashcode length. Fix here. |
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164 #endif |
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165 sscanf(&inLine[0], "%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x%2x", |
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166 (guint *) &(tmpNode->md5Hash[0]), (guint *) &(tmpNode->md5Hash[1]), |
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167 (guint *) &(tmpNode->md5Hash[2]), (guint *) &(tmpNode->md5Hash[3]), |
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168 (guint *) &(tmpNode->md5Hash[4]), (guint *) &(tmpNode->md5Hash[5]), |
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169 (guint *) &(tmpNode->md5Hash[6]), (guint *) &(tmpNode->md5Hash[7]), |
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170 (guint *) &(tmpNode->md5Hash[8]), (guint *) &(tmpNode->md5Hash[9]), |
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171 (guint *) &(tmpNode->md5Hash[10]), (guint *) &(tmpNode->md5Hash[11]), |
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172 (guint *) &(tmpNode->md5Hash[12]), (guint *) &(tmpNode->md5Hash[13]), |
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173 (guint *) &(tmpNode->md5Hash[14]), (guint *) &(tmpNode->md5Hash[15])); |
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174 |
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175 /* Get playtimes */ |
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176 if (inLine[linePos] != 0) |
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177 { |
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178 if (inLine[linePos] != '=') |
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179 { |
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180 XSERR("'=' expected in SongLengthDB file '%s' line #%d, column #%d\n", |
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181 dbFilename, lineNum, linePos); |
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182 |
99
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183 xs_sldb_node_free(tmpNode); |
4 | 184 } else { |
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185 /* First playtime is after '=' */ |
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186 linePos++; |
57
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187 iOK = TRUE; |
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188 |
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189 while ((linePos < strlen(inLine)) && iOK) |
4 | 190 { |
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191 xs_findnext(inLine, &linePos); |
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192 |
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193 if (tmpNode->nLengths < XS_STIL_MAXENTRY) |
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194 { |
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195 tmpNode->sLengths[tmpNode->nLengths] = |
227
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196 xs_sldb_gettime(inLine, &linePos); |
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197 tmpNode->nLengths++; |
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198 } else |
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199 iOK = FALSE; |
4 | 200 } |
201 | |
62
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202 /* Add an node to db in memory */ |
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203 if (iOK) |
227
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204 xs_sldb_node_insert(db, tmpNode); |
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205 else |
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206 xs_sldb_node_free(tmpNode); |
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207 } |
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208 } |
87
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209 } |
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210 } else |
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211 if ((inLine[0] != ';') && (inLine[0] != '[')) |
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212 { |
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213 XSERR("Invalid line in SongLengthDB file '%s' line #%d\n", |
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214 dbFilename, lineNum); |
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215 } |
4 | 216 |
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217 } /* while */ |
4 | 218 |
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219 /* Close the file */ |
4 | 220 fclose(inFile); |
221 | |
222 return 0; | |
223 } | |
224 | |
225 | |
227
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226 /* Compare two given MD5-hashes. |
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227 * Return: 0 if equal |
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228 * negative if testHash1 < testHash2 |
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229 * positive if testHash1 > testHash2 |
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230 */ |
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231 static gint xs_sldb_cmphash(t_xs_md5hash testHash1, t_xs_md5hash testHash2) |
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232 { |
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233 register gint i, res = 0; |
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234 |
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235 /* Compute difference of hashes */ |
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236 for (i = 0; (i < XS_MD5HASH_LENGTH) && (!res); i++) |
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237 res = (testHash1[i] - testHash2[i]); |
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238 |
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239 return res; |
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240 } |
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241 |
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242 |
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243 /* Get node from db index via binary search |
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244 */ |
227
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245 static t_xs_sldb_node * xs_sldb_get_node(t_xs_sldb *db, t_xs_md5hash pHash) |
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246 { |
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247 gint iStartNode, iEndNode, iQNode, r, i; |
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248 gboolean iFound; |
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249 t_xs_sldb_node *pResult; |
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250 |
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251 /* Check the database pointers */ |
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252 if (!db || !db->pNodes || !db->ppIndex) |
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253 return NULL; |
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254 |
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255 /* Look-up via index using binary search */ |
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256 pResult = NULL; |
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257 iStartNode = 0; |
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258 iEndNode = (db->n - 1); |
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259 iQNode = (iEndNode / 2); |
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260 iFound = FALSE; |
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261 |
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262 while ((!iFound) && ((iEndNode - iStartNode) > 128)) |
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263 { |
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264 r = xs_sldb_cmphash(pHash, db->ppIndex[iQNode]->md5Hash); |
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265 if (r < 0) |
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266 { |
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267 /* Hash was in the <- LEFT side */ |
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268 iEndNode = iQNode; |
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269 iQNode = iStartNode + ((iEndNode - iStartNode) / 2); |
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270 } else |
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271 if (r > 0) |
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272 { |
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273 /* Hash was in the RIGHT -> side */ |
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274 iStartNode = iQNode; |
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275 iQNode = iStartNode + ((iEndNode - iStartNode) / 2); |
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276 } else |
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277 iFound = TRUE; |
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278 } |
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279 |
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280 /* If not found already */ |
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281 if (!iFound) |
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282 { |
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283 /* Search the are linearly */ |
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284 iFound = FALSE; |
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285 i = iStartNode; |
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286 while ((i <= iEndNode) && (!iFound)) |
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287 { |
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288 if (xs_sldb_cmphash(pHash, db->ppIndex[i]->md5Hash) == 0) |
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289 iFound = TRUE; |
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290 else |
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291 i++; |
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292 } |
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293 |
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294 /* Check the result */ |
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295 if (iFound) |
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296 pResult = db->ppIndex[i]; |
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297 |
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298 } else { |
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299 /* Found via binary search */ |
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300 pResult = db->ppIndex[iQNode]; |
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301 } |
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302 |
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303 return pResult; |
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304 } |
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305 |
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306 |
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307 /* Compare two nodes |
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308 */ |
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309 static gint xs_sldb_cmp(const void *pNode1, const void *pNode2) |
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310 { |
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311 /* We assume here that we never ever get NULL-pointers or similar */ |
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312 return xs_sldb_cmphash((*(t_xs_sldb_node **) pNode1)->md5Hash, |
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313 (*(t_xs_sldb_node **) pNode2)->md5Hash); |
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314 } |
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315 |
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316 |
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317 /* (Re)create index |
4 | 318 */ |
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319 gint xs_sldb_index(t_xs_sldb *db) |
4 | 320 { |
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321 t_xs_sldb_node *pCurr; |
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322 gint i; |
227
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323 assert(db); |
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324 |
227
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325 /* Free old index */ |
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326 if (db->ppIndex) |
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327 { |
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328 g_free(db->ppIndex); |
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329 db->ppIndex = NULL; |
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330 } |
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331 |
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332 /* Get size of db */ |
227
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333 pCurr = db->pNodes; |
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334 db->n = 0; |
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335 while (pCurr) |
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336 { |
227
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337 db->n++; |
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338 pCurr = pCurr->pNext; |
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339 } |
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340 |
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341 /* Check number of nodes */ |
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342 if (db->n > 0) |
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343 { |
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344 /* Allocate memory for index-table */ |
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345 db->ppIndex = (t_xs_sldb_node **) g_malloc(sizeof(t_xs_sldb_node *) * db->n); |
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346 if (!db->ppIndex) return -1; |
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347 |
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348 /* Get node-pointers to table */ |
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349 i = 0; |
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350 pCurr = db->pNodes; |
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351 while (pCurr && (i < db->n)) |
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352 { |
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353 db->ppIndex[i++] = pCurr; |
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354 pCurr = pCurr->pNext; |
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355 } |
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356 |
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357 /* Sort the indexes */ |
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358 qsort(db->ppIndex, db->n, sizeof(t_xs_sldb_node *), xs_sldb_cmp); |
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359 } |
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360 |
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361 return 0; |
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362 } |
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363 |
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364 |
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365 /* Free a given song-length database |
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366 */ |
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367 void xs_sldb_free(t_xs_sldb *db) |
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368 { |
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369 t_xs_sldb_node *pCurr, *pNext; |
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370 |
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371 if (!db) return; |
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372 |
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373 /* Free the memory allocated for nodes */ |
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374 pCurr = db->pNodes; |
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375 while (pCurr) |
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376 { |
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377 pNext = pCurr->pNext; |
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378 xs_sldb_node_free(pCurr); |
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379 pCurr = pNext; |
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380 } |
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381 |
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382 db->pNodes = NULL; |
86 | 383 |
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384 /* Free memory allocated for index */ |
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385 if (db->ppIndex) |
86 | 386 { |
227
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387 g_free(db->ppIndex); |
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388 db->ppIndex = NULL; |
86 | 389 } |
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390 |
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391 /* Free structure */ |
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392 db->n = 0; |
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393 g_free(db); |
4 | 394 } |
395 | |
396 | |
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397 /* Compute md5hash of given SID-file |
4 | 398 */ |
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399 typedef struct { |
316 | 400 gchar magicID[4]; /* "PSID" / "RSID" magic identifier */ |
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401 guint16 version, /* Version number */ |
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402 dataOffset, /* Start of actual c64 data in file */ |
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403 loadAddress, /* Loading address */ |
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404 initAddress, /* Initialization address */ |
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405 playAddress, /* Play one frame */ |
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406 nSongs, /* Number of subsongs */ |
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407 startSong; /* Default starting song */ |
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408 guint32 speed; /* Speed */ |
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409 gchar sidName[32]; /* Descriptive text-fields, ASCIIZ */ |
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410 gchar sidAuthor[32]; |
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411 gchar sidCopyright[32]; |
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412 } t_xs_psidv1_header; |
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413 |
4 | 414 |
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415 typedef struct { |
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416 guint16 flags; /* Flags */ |
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417 guint8 startPage, |
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418 pageLength; |
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419 guint16 reserved; |
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420 } t_xs_psidv2_header; |
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421 |
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422 |
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423 static gint xs_get_sid_hash(gchar *pcFilename, t_xs_md5hash hash) |
14
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424 { |
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425 FILE *inFile; |
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426 t_xs_md5state inState; |
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427 t_xs_psidv1_header psidH; |
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428 t_xs_psidv2_header psidH2; |
241
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429 #ifdef XS_BUF_DYNAMIC |
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430 guint8 *songData; |
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|
431 #else |
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432 guint8 songData[XS_SIDBUF_SIZE]; |
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433 #endif |
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434 guint8 ib8[2], i8; |
87
94497283affa
Various fixes and improvements
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86
diff
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|
435 gint iIndex, iRes; |
94497283affa
Various fixes and improvements
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diff
changeset
|
436 |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
437 /* Try to open the file */ |
86 | 438 if ((inFile = fopen(pcFilename, "rb")) == NULL) |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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changeset
|
439 return -1; |
f5d82424b0ed
Made song-length database support FINALLY work!
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changeset
|
440 |
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Made song-length database support FINALLY work!
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diff
changeset
|
441 /* Read PSID header in */ |
227
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442 xs_rd_str(inFile, psidH.magicID, sizeof(psidH.magicID)); |
316 | 443 if ((psidH.magicID[0] != 'P' && psidH.magicID[0] != 'R') || |
444 (psidH.magicID[1] != 'S') || (psidH.magicID[2] != 'I') || (psidH.magicID[3] != 'D')) | |
227
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Improved modularization of STIL and song-length database subsystems.
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|
445 { |
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|
446 fclose(inFile); |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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|
447 return -2; |
227
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448 } |
14
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Made song-length database support FINALLY work!
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|
449 |
227
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Improved modularization of STIL and song-length database subsystems.
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450 psidH.version = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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451 psidH.dataOffset = xs_rd_be16(inFile); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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452 psidH.loadAddress = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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453 psidH.initAddress = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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454 psidH.playAddress = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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|
455 psidH.nSongs = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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|
456 psidH.startSong = xs_rd_be16(inFile); |
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Improved modularization of STIL and song-length database subsystems.
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457 psidH.speed = xs_rd_be32(inFile); |
14
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Made song-length database support FINALLY work!
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|
458 |
227
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Improved modularization of STIL and song-length database subsystems.
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459 xs_rd_str(inFile, psidH.sidName, sizeof(psidH.sidName)); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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460 xs_rd_str(inFile, psidH.sidAuthor, sizeof(psidH.sidAuthor)); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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461 xs_rd_str(inFile, psidH.sidCopyright, sizeof(psidH.sidCopyright)); |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
462 |
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
463 /* Check if we need to load PSIDv2NG header ... */ |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
464 if (psidH.version == 2) |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
465 { |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
466 /* Yes, we need to */ |
227
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|
467 psidH2.flags = xs_rd_be16(inFile); |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
468 psidH2.startPage = fgetc(inFile); |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
469 psidH2.pageLength = fgetc(inFile); |
227
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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changeset
|
470 psidH2.reserved = xs_rd_be16(inFile); |
14
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
471 } |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
472 |
241
291715a519e2
Compile-time setting to enable/disable use of dynamically allocated buffers.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
473 #ifdef XS_BUF_DYNAMIC |
227
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474 /* Allocate buffer */ |
92bad4c7b998
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|
475 songData = (guint8 *) g_malloc(XS_SIDBUF_SIZE * sizeof(guint8)); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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changeset
|
476 if (!songData) |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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223
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changeset
|
477 { |
92bad4c7b998
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changeset
|
478 fclose(inFile); |
92bad4c7b998
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223
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|
479 return -3; |
92bad4c7b998
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|
480 } |
92bad4c7b998
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changeset
|
481 #endif |
92bad4c7b998
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|
482 |
14
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diff
changeset
|
483 /* Read data to buffer */ |
227
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changeset
|
484 iRes = fread(songData, sizeof(guint8), XS_SIDBUF_SIZE, inFile); |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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4
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changeset
|
485 fclose(inFile); |
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
486 |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
487 /* Initialize and start MD5-hash calculation */ |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
488 xs_md5_init(&inState); |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
489 if (psidH.loadAddress == 0) |
227
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
diff
changeset
|
490 { |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
diff
changeset
|
491 /* Strip load address (2 first bytes) */ |
87
94497283affa
Various fixes and improvements
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
492 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
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changeset
|
493 } else { |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
diff
changeset
|
494 /* Append "as is" */ |
178
002e314712c4
Fixed a serious bug in MD5-hashing of file: &databuffer was given (pointer
Matti Hamalainen <ccr@tnsp.org>
parents:
99
diff
changeset
|
495 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
|
496 } |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
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changeset
|
497 |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
diff
changeset
|
498 |
241
291715a519e2
Compile-time setting to enable/disable use of dynamically allocated buffers.
Matti Hamalainen <ccr@tnsp.org>
parents:
230
diff
changeset
|
499 #ifdef XS_BUF_DYNAMIC |
227
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changeset
|
500 /* Free buffer */ |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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223
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changeset
|
501 g_free(songData); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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|
502 #endif |
87
94497283affa
Various fixes and improvements
Matti Hamalainen <ccr@tnsp.org>
parents:
86
diff
changeset
|
503 |
14
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
504 /* Append header data to hash */ |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
505 #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!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
506 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
507 XSADDHASH(psidH.initAddress) |
f5d82424b0ed
Made song-length database support FINALLY work!
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diff
changeset
|
508 XSADDHASH(psidH.playAddress) |
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
509 XSADDHASH(psidH.nSongs) |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
510 |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
511 #undef XSADDHASH |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
512 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
513 /* Append song speed data to hash */ |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
514 i8 = 0; |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
515 for (iIndex = 0; (iIndex < psidH.nSongs) && (iIndex < 32); iIndex++) |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
516 { |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
517 i8 = (psidH.speed & (1 << iIndex)) ? 60 : 0; |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
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4
diff
changeset
|
518 xs_md5_append(&inState, &i8, sizeof(i8)); |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
519 } |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
520 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
521 /* Rest of songs (more than 32) */ |
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
522 for (iIndex = 32; iIndex < psidH.nSongs; iIndex++) |
f5d82424b0ed
Made song-length database support FINALLY work!
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4
diff
changeset
|
523 { |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
524 xs_md5_append(&inState, &i8, sizeof(i8)); |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
525 } |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
526 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
527 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
528 /* PSIDv2NG specific */ |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
529 if (psidH.version == 2) |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
530 { |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
531 /* SEE SIDPLAY HEADERS FOR INFO */ |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
532 i8 = (psidH2.flags >> 2) & 3; |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
533 if (i8 == 2) |
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
534 xs_md5_append(&inState, &i8, sizeof(i8)); |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
535 } |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
536 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
537 /* Calculate the hash */ |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
538 xs_md5_finish(&inState, hash); |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
539 |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
540 return 0; |
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
parents:
4
diff
changeset
|
541 } |
4 | 542 |
543 | |
227
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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diff
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|
544 /* Get song lengths |
4 | 545 */ |
227
92bad4c7b998
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parents:
223
diff
changeset
|
546 t_xs_sldb_node * xs_sldb_get(t_xs_sldb *db, gchar *pcFilename) |
4 | 547 { |
86 | 548 t_xs_sldb_node *pResult; |
14
f5d82424b0ed
Made song-length database support FINALLY work!
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parents:
4
diff
changeset
|
549 t_xs_md5hash dbHash; |
4 | 550 |
227
92bad4c7b998
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diff
changeset
|
551 /* Get the hash and then look up from db */ |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
223
diff
changeset
|
552 if (xs_get_sid_hash(pcFilename, dbHash) == 0) |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
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parents:
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553 pResult = xs_sldb_get_node(db, dbHash); |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents:
223
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554 else |
92bad4c7b998
Improved modularization of STIL and song-length database subsystems.
Matti Hamalainen <ccr@tnsp.org>
parents:
223
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555 pResult = NULL; |
14
f5d82424b0ed
Made song-length database support FINALLY work!
Matti Hamalainen <ccr@tnsp.org>
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4
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556 |
86 | 557 return pResult; |
4 | 558 } |
230 | 559 |
560 | |
561 /* | |
562 * These should be moved out of this module some day ... | |
563 */ | |
564 static t_xs_sldb *xs_sldb_db = NULL; | |
565 XS_MUTEX(xs_sldb_db); | |
566 | |
567 gint xs_songlen_init(void) | |
568 { | |
569 XS_MUTEX_LOCK(xs_cfg); | |
570 | |
571 if (!xs_cfg.songlenDBPath) | |
572 { | |
573 XS_MUTEX_UNLOCK(xs_cfg); | |
574 return -1; | |
575 } | |
576 | |
577 XS_MUTEX_LOCK(xs_sldb_db); | |
578 | |
579 /* Check if already initialized */ | |
580 if (xs_sldb_db) xs_sldb_free(xs_sldb_db); | |
581 | |
582 /* Allocate database */ | |
583 xs_sldb_db = (t_xs_sldb *) g_malloc0(sizeof(t_xs_sldb)); | |
584 if (!xs_sldb_db) | |
585 { | |
586 XS_MUTEX_UNLOCK(xs_cfg); | |
587 XS_MUTEX_UNLOCK(xs_sldb_db); | |
588 return -2; | |
589 } | |
590 | |
591 /* Read the database */ | |
592 if (xs_sldb_read(xs_sldb_db, xs_cfg.songlenDBPath) != 0) | |
593 { | |
594 xs_sldb_free(xs_sldb_db); | |
595 xs_sldb_db = NULL; | |
596 XS_MUTEX_UNLOCK(xs_cfg); | |
597 XS_MUTEX_UNLOCK(xs_sldb_db); | |
598 return -3; | |
599 } | |
600 | |
601 /* Create index */ | |
602 if (xs_sldb_index(xs_sldb_db) != 0) | |
603 { | |
604 xs_sldb_free(xs_sldb_db); | |
605 xs_sldb_db = NULL; | |
606 XS_MUTEX_UNLOCK(xs_cfg); | |
607 XS_MUTEX_UNLOCK(xs_sldb_db); | |
608 return -4; | |
609 } | |
610 | |
611 XS_MUTEX_UNLOCK(xs_cfg); | |
612 XS_MUTEX_UNLOCK(xs_sldb_db); | |
613 return 0; | |
614 } | |
615 | |
616 | |
617 void xs_songlen_close(void) | |
618 { | |
619 XS_MUTEX_LOCK(xs_sldb_db); | |
620 xs_sldb_free(xs_sldb_db); | |
621 xs_sldb_db = NULL; | |
622 XS_MUTEX_UNLOCK(xs_sldb_db); | |
623 } | |
624 | |
625 | |
626 t_xs_sldb_node * xs_songlen_get(gchar *pcFilename) | |
627 { | |
628 t_xs_sldb_node *pResult; | |
629 | |
630 XS_MUTEX_LOCK(xs_sldb_db); | |
631 | |
632 if (xs_cfg.songlenDBEnable && xs_sldb_db) | |
633 pResult = xs_sldb_get(xs_sldb_db, pcFilename); | |
634 else | |
635 pResult = NULL; | |
636 | |
637 XS_MUTEX_UNLOCK(xs_sldb_db); | |
638 | |
639 return pResult; | |
640 } | |
641 |