Mercurial > hg > dmlib
annotate minijss/jloadjss.c @ 1312:4eb394c9e682
Clearer flag check.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sun, 20 Aug 2017 01:20:56 +0300 |
parents | f1c4b9b074ad |
children | 4670907412e7 |
rev | line source |
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0 | 1 /* |
2 * miniJSS - JSSMOD module loader | |
3 * Programmed and designed by Matti 'ccr' Hamalainen | |
1163 | 4 * (C) Copyright 2007-2015 Tecnic Software productions (TNSP) |
0 | 5 */ |
6 #include "jssmod.h" | |
7 | |
8 | |
1196 | 9 // If all pattern modes are required, enable them here |
0 | 10 #ifdef JM_SUP_PATMODE_ALL |
282 | 11 # define JM_SUP_PATMODE_1 1 |
12 # define JM_SUP_PATMODE_2 1 | |
13 # define JM_SUP_PATMODE_3 1 | |
14 # define JM_SUP_PATMODE_4 1 | |
15 # define JM_SUP_PATMODE_5 1 | |
0 | 16 #endif |
17 | |
18 | |
1196 | 19 // Short helper macros for reading data |
20 #define JSGETBYTE(XV) \ | |
21 if (!dmf_read_byte(inFile, XV)) \ | |
22 return DMERR_OUT_OF_DATA | |
0 | 23 |
24 | |
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25 static int jssDoGetConvertedNote(DMResource *inFile, JSSNote *pnote, Uint8 note) |
0 | 26 { |
27 Uint8 tmp; | |
28 | |
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29 if (note == 127) |
1197 | 30 pnote->note = jsetNoteOff; |
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31 else |
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32 if (note == 0) |
1197 | 33 pnote->note = jsetNotSet; |
0 | 34 else |
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35 pnote->note = note - 1; |
0 | 36 |
37 JSGETBYTE(&tmp); | |
1197 | 38 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; |
0 | 39 |
40 JSGETBYTE(&tmp); | |
1197 | 41 pnote->volume = (tmp > 0) ? tmp - 1 : jsetNotSet; |
0 | 42 |
43 JSGETBYTE(&tmp); | |
1197 | 44 pnote->effect = (tmp > 0) ? tmp - 1 : jsetNotSet; |
0 | 45 |
46 JSGETBYTE(&tmp); | |
1197 | 47 pnote->param = (tmp == 0 && pnote->effect == jsetNotSet) ? jsetNotSet : tmp; |
0 | 48 |
49 return DMERR_OK; | |
50 } | |
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51 |
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52 |
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53 static inline int jssGetConvertedNote(DMResource *inFile, JSSNote *pnote) |
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54 { |
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55 Uint8 tmp; |
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56 JSGETBYTE(&tmp); |
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57 return jssDoGetConvertedNote(inFile, pnote, tmp); |
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58 } |
0 | 59 |
60 | |
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61 #if defined(JM_SUP_PATMODE_2) || defined(JM_SUP_PATMODE_4) |
1197 | 62 static int jssGetCompressedNote(DMResource *inFile, JSSNote *pnote) |
0 | 63 { |
64 Uint8 packb, tmp; | |
65 | |
66 JSGETBYTE(&packb); | |
67 if (packb & 0x80) | |
68 { | |
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69 if (packb & JM_COMP_NOTE) |
0 | 70 { |
71 JSGETBYTE(&tmp); | |
72 if (tmp == 127) | |
1197 | 73 pnote->note = jsetNoteOff; |
0 | 74 else |
1197 | 75 pnote->note = tmp; |
0 | 76 } |
77 | |
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78 if (packb & JM_COMP_INSTRUMENT) |
0 | 79 { |
80 JSGETBYTE(&tmp); | |
1197 | 81 pnote->instrument = tmp; |
0 | 82 } |
83 | |
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84 if (packb & JM_COMP_VOLUME) |
0 | 85 { |
86 JSGETBYTE(&tmp); | |
1197 | 87 pnote->volume = tmp; |
0 | 88 } |
89 | |
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90 if (packb & JM_COMP_EFFECT) |
0 | 91 { |
92 JSGETBYTE(&tmp); | |
1197 | 93 pnote->effect = tmp; |
94 pnote->param = 0; | |
0 | 95 } |
96 | |
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97 if (packb & JM_COMP_PARAM) |
0 | 98 { |
99 JSGETBYTE(&tmp); | |
1197 | 100 pnote->param = tmp; |
0 | 101 } |
102 } | |
103 else | |
104 { | |
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105 int ret; |
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106 if ((ret = jssDoGetConvertedNote(inFile, pnote, packb)) != DMERR_OK) |
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107 return ret; |
0 | 108 } |
109 | |
110 return DMERR_OK; | |
111 } | |
112 #endif | |
113 | |
114 | |
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115 #ifdef JM_SUP_PATMODE_2 |
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116 static int jssGetPatternCompHoriz(DMResource *inFile, JSSPattern *pattern) |
0 | 117 { |
118 int row, channel; | |
119 | |
120 assert(buf != NULL); | |
121 assert(pattern != NULL); | |
122 | |
123 for (row = 0; row < pattern->nrows; row++) | |
124 for (channel = 0; channel < pattern->nchannels; channel++) | |
125 { | |
1197 | 126 JSSNote *pnote = &pattern->data[(pattern->nchannels * row) + channel]; |
127 int res = jssGetCompressedNote(inFile, pnote); | |
0 | 128 if (res != DMERR_OK) |
1197 | 129 JSSERROR(res, res, "Error uncompressing note on row=%d, chn=%d\n", |
130 row, channel); | |
0 | 131 } |
132 | |
133 return DMERR_OK; | |
134 } | |
135 #endif | |
136 | |
137 | |
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138 #ifdef JM_SUP_PATMODE_4 |
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139 static int jssGetPatternCompVert(DMResource *inFile, JSSPattern *pattern) |
0 | 140 { |
141 int row, channel; | |
142 | |
143 assert(buf != NULL); | |
144 assert(pattern != NULL); | |
145 | |
146 for (channel = 0; channel < pattern->nchannels; channel++) | |
147 for (row = 0; row < pattern->nrows; row++) | |
148 { | |
1197 | 149 JSSNote *pnote = &pattern->data[(pattern->nchannels * row) + channel]; |
150 int res = jssGetCompressedNote(inFile, pnote); | |
0 | 151 if (res != DMERR_OK) |
1197 | 152 JSSERROR(res, res, "Error uncompressing note on row=%d, chn=%d\n", |
153 row, channel); | |
0 | 154 } |
155 | |
156 return DMERR_OK; | |
157 } | |
158 #endif | |
159 | |
160 | |
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161 #ifdef JM_SUP_PATMODE_1 |
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162 static int jssGetPatternRawHoriz(DMResource *inFile, JSSPattern *pattern) |
0 | 163 { |
164 int row, channel; | |
165 | |
166 assert(buf != NULL); | |
167 assert(pattern != NULL); | |
168 | |
169 for (row = 0; row < pattern->nrows; row++) | |
170 for (channel = 0; channel < pattern->nchannels; channel++) | |
171 { | |
1197 | 172 JSSNote *pnote = &pattern->data[(pattern->nchannels * row) + channel]; |
173 int res = jssGetConvertedNote(inFile, pnote); | |
0 | 174 if (res != DMERR_OK) |
1197 | 175 JSSERROR(res, res, "Error converting note on row=%d, chn=%d\n", |
176 row, channel); | |
0 | 177 } |
178 | |
179 return DMERR_OK; | |
180 } | |
181 #endif | |
182 | |
183 | |
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184 #ifdef JM_SUP_PATMODE_3 |
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185 static int jssGetPatternRawVert(DMResource *inFile, JSSPattern *pattern) |
0 | 186 { |
187 int row, channel; | |
188 | |
189 assert(buf != NULL); | |
190 assert(pattern != NULL); | |
191 | |
192 for (channel = 0; channel < pattern->nchannels; channel++) | |
193 for (row = 0; row < pattern->nrows; row++) | |
194 { | |
1197 | 195 JSSNote *pnote = &pattern->data[(pattern->nchannels * row) + channel]; |
196 int res = jssGetConvertedNote(inFile, pnote); | |
0 | 197 if (res != DMERR_OK) |
1197 | 198 JSSERROR(res, res, "Error converting note on row=%d, chn=%d\n", |
199 row, channel); | |
0 | 200 } |
201 | |
202 return DMERR_OK; | |
203 } | |
204 #endif | |
205 | |
206 | |
204
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207 #ifdef JM_SUP_PATMODE_5 |
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208 |
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209 #undef JSGETBYTE |
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210 #define JSGETBYTE(XV) if (!dmf_read_byte(inFile, XV)) return DMERR_OUT_OF_DATA |
204
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211 |
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212 #define JSFOREACHNOTE1 \ |
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213 for (channel = 0; channel < pattern->nchannels; channel++) \ |
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214 for (row = 0; row < pattern->nrows; row++) { \ |
1197 | 215 JSSNote *pnote = pattern->data + (pattern->nchannels * row) + channel; |
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216 |
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217 #define JSFOREACHNOTE2 } |
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218 |
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219 static int jssGetPatternRawVertElem(DMResource *inFile, JSSPattern *pattern) |
0 | 220 { |
221 int row, channel; | |
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222 Uint8 tmp; |
0 | 223 |
224 assert(buf != NULL); | |
225 assert(pattern != NULL); | |
226 | |
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227 JSFOREACHNOTE1 |
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228 JSGETBYTE(&tmp); |
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229 if (tmp == 0) |
1197 | 230 pnote->note = jsetNotSet; |
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231 else if (tmp == 127) |
1197 | 232 pnote->note = jsetNoteOff; |
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233 else |
1197 | 234 pnote->note = tmp - 1; |
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235 JSFOREACHNOTE2 |
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236 |
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237 JSFOREACHNOTE1 |
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238 JSGETBYTE(&tmp); |
1197 | 239 pnote->instrument = (tmp > 0) ? tmp - 1 : jsetNotSet; |
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240 JSFOREACHNOTE2 |
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241 |
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242 JSFOREACHNOTE1 |
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243 JSGETBYTE(&tmp); |
1197 | 244 pnote->volume = (tmp > 0) ? tmp - 1 : jsetNotSet; |
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245 JSFOREACHNOTE2 |
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246 |
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247 JSFOREACHNOTE1 |
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248 JSGETBYTE(&tmp); |
1197 | 249 pnote->effect = (tmp > 0) ? tmp - 1 : jsetNotSet; |
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250 JSFOREACHNOTE2 |
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251 |
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252 JSFOREACHNOTE1 |
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253 JSGETBYTE(&tmp); |
1197 | 254 pnote->param = (tmp == 0 && pnote->effect == jsetNotSet) ? jsetNotSet : tmp; |
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255 JSFOREACHNOTE2 |
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256 |
0 | 257 return DMERR_OK; |
258 } | |
259 #endif | |
260 | |
261 | |
262 #ifdef JM_SUP_EXT_INSTR | |
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263 static int jssMODLoadEnvelope(DMResource *inFile, |
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264 JSSEnvelope *env, const char *name, const int ninst) |
0 | 265 { |
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266 JSSMODEnvelope jssEnv; |
0 | 267 int i; |
268 | |
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269 // Read envelope data |
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270 if (!dmf_read_byte(inFile, &jssEnv.flags) || |
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271 !dmf_read_byte(inFile, &jssEnv.npoints) || |
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272 !dmf_read_byte(inFile, &jssEnv.sustain) || |
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273 !dmf_read_byte(inFile, &jssEnv.loopS) || |
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274 !dmf_read_byte(inFile, &jssEnv.loopE)) |
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275 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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276 "Failed to read %s-envelope data for instrument #%d.\n", |
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277 name, ninst); |
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278 |
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279 // Do some sanity checking |
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280 if (jssEnv.npoints > jsetMaxEnvPoints || |
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281 jssEnv.loopS < jssEnv.loopE || |
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282 jssEnv.loopS > jssEnv.npoints || |
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283 jssEnv.loopE > jssEnv.npoints) |
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284 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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285 "Invalid values in %s-envelope for instrument #%d.\n", |
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286 name, ninst); |
0 | 287 |
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288 // Copy data |
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289 env->flags = jssEnv.flags; |
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290 env->npoints = jssEnv.npoints; |
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291 env->sustain = jssEnv.sustain; |
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292 env->loopS = jssEnv.loopS; |
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293 env->loopE = jssEnv.loopE; |
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294 |
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295 for (i = 0; i < jssEnv.npoints; i++) |
0 | 296 { |
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297 Uint16 frame, value; |
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298 if (!dmf_read_le16(inFile, &frame) || |
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299 !dmf_read_le16(inFile, &value)) |
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300 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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301 "Failed to read %s-envelope values (%d) for instrument #%d.\n", |
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302 name, i, ninst); |
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303 |
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304 env->points[i].frame = frame; |
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305 env->points[i].value = value; |
0 | 306 } |
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307 |
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308 return DMERR_OK; |
0 | 309 } |
310 #endif | |
311 | |
312 | |
1256 | 313 int jssLoadJSSMOD(DMResource *inFile, JSSModule **pmodule, BOOL probe) |
0 | 314 { |
315 JSSModule *module; | |
316 JSSMODHeader jssH; | |
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317 int index, ret = DMERR_OK; |
0 | 318 |
1256 | 319 *pmodule = NULL; |
0 | 320 |
321 // Check the JSSMOD header | |
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322 if (!dmf_read_str(inFile, &jssH.idMagic, sizeof(jssH.idMagic)) || |
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323 !dmf_read_byte(inFile, &jssH.idVersion)) |
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324 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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325 "Failed to read JSSMOD header #1.\n"); |
0 | 326 |
327 if (memcmp(jssH.idMagic, "JM", 2) != 0) | |
328 { | |
796 | 329 if (probe) |
330 return DMERR_NOT_SUPPORTED; | |
331 else | |
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332 { |
796 | 333 JSSERROR(DMERR_NOT_SUPPORTED, DMERR_NOT_SUPPORTED, |
334 "Not a JSSMOD file, header signature mismatch!\n"); | |
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335 } |
0 | 336 } |
337 | |
338 if (jssH.idVersion != JSSMOD_VERSION) | |
339 { | |
1198 | 340 if (probe) |
341 return DMERR_VERSION; | |
342 else | |
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343 { |
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344 JSSERROR(DMERR_VERSION, DMERR_VERSION, |
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345 "Unsupported version of JSSMOD 0x%2x, this version only supports 0x%2x!\n", |
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346 jssH.idVersion, JSSMOD_VERSION); |
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347 } |
0 | 348 } |
349 | |
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350 // Read rest of the header |
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351 if (!dmf_read_le16(inFile, &jssH.defFlags) || |
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352 !dmf_read_le16(inFile, &jssH.intVersion) || |
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353 !dmf_read_le16(inFile, &jssH.norders) || |
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354 !dmf_read_le16(inFile, &jssH.npatterns) || |
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355 !dmf_read_le16(inFile, &jssH.nextInstruments) || |
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356 !dmf_read_le16(inFile, &jssH.ninstruments) || |
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357 !dmf_read_le16(inFile, &jssH.defRestartPos) || |
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358 |
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359 !dmf_read_byte(inFile, &jssH.nchannels) || |
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360 !dmf_read_byte(inFile, &jssH.defSpeed) || |
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361 !dmf_read_byte(inFile, &jssH.defTempo) || |
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362 !dmf_read_byte(inFile, &jssH.patMode)) |
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363 { |
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364 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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365 "Failed to read JSSMOD header #2.\n"); |
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366 } |
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367 |
1198 | 368 if (probe) |
369 return DMERR_OK; | |
370 | |
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371 // Check some of the things for sanity |
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372 if (jssH.nchannels > jsetMaxChannels || |
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373 jssH.nchannels == 0 || |
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374 jssH.norders > jsetMaxOrders || |
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375 jssH.npatterns > jsetMaxPatterns || |
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376 jssH.nextInstruments > jsetMaxInstruments || |
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377 jssH.ninstruments > jsetMaxInstruments) |
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378 { |
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379 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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380 "Invalid values in JSSMOD header.\n"); |
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381 } |
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382 |
0 | 383 // Allocate the module |
1256 | 384 if ((*pmodule = module = jssAllocateModule()) == NULL) |
0 | 385 { |
386 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, | |
387 "Could not allocate memory for module structure.\n"); | |
388 } | |
389 | |
390 // Copy header information | |
1216 | 391 module->defFlags = jssH.defFlags; |
392 module->intVersion = jssH.intVersion; | |
393 | |
0 | 394 module->norders = jssH.norders; |
395 module->npatterns = jssH.npatterns; | |
396 module->nchannels = jssH.nchannels; | |
397 module->nextInstruments = jssH.nextInstruments; | |
398 module->ninstruments = jssH.ninstruments; | |
399 module->defRestartPos = jssH.defRestartPos; | |
400 module->defSpeed = jssH.defSpeed; | |
401 module->defTempo = jssH.defTempo; | |
402 | |
403 // Get the orders list | |
404 for (index = 0; index < module->norders; index++) | |
405 { | |
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406 Uint16 tmp; |
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407 if (!dmf_read_le16(inFile, &tmp)) |
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408 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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409 "Failed to read orders list entry #%d.\n", |
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410 index); |
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411 |
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412 if (tmp != 0xffff && tmp > jssH.npatterns) |
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413 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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414 "Invalid orders list entry #%d value %d > %d.\n", |
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415 index, tmp, jssH.npatterns); |
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416 |
1311 | 417 module->orderList[index] = (tmp == 0xffff) ? jsetNotSet : tmp; |
0 | 418 } |
419 | |
420 // Parse the patterns | |
421 for (index = 0; index < module->npatterns; index++) | |
422 { | |
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423 JSSPattern *pattern; |
0 | 424 JSSMODPattern jssP; |
425 | |
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426 // Read pattern header |
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427 if (!dmf_read_le32(inFile, &jssP.size) || |
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428 !dmf_read_le16(inFile, &jssP.nrows)) |
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429 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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430 "Failed to read JSSMOD pattern header #%d.\n", |
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431 index); |
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432 |
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433 // Validate |
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434 if (jssP.nrows == 0 || jssP.nrows > jsetMaxRows) |
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435 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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436 "Invalid number of rows in pattern #%d: %d.\n", |
1257 | 437 index, jssP.nrows); |
0 | 438 |
439 // Allocate pattern | |
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440 pattern = module->patterns[index] = jssAllocatePattern(jssP.nrows, module->nchannels); |
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441 if (pattern == NULL) |
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442 { |
0 | 443 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, |
1212 | 444 "Could not allocate memory for pattern #%d.\n", |
445 index); | |
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446 } |
0 | 447 |
448 // Get pattern data | |
449 switch (jssH.patMode) | |
450 { | |
451 #ifdef JM_SUP_PATMODE_1 | |
452 case PATMODE_RAW_HORIZ: | |
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453 ret = jssGetPatternRawHoriz(inFile, pattern); |
0 | 454 break; |
455 #endif | |
456 #ifdef JM_SUP_PATMODE_2 | |
457 case PATMODE_COMP_HORIZ: | |
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458 ret = jssGetPatternCompHoriz(inFile, pattern); |
0 | 459 break; |
460 #endif | |
461 #ifdef JM_SUP_PATMODE_3 | |
462 case PATMODE_RAW_VERT: | |
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463 ret = jssGetPatternRawVert(inFile, pattern); |
0 | 464 break; |
465 #endif | |
466 #ifdef JM_SUP_PATMODE_4 | |
467 case PATMODE_COMP_VERT: | |
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468 ret = jssGetPatternCompVert(inFile, pattern); |
0 | 469 break; |
470 #endif | |
471 #ifdef JM_SUP_PATMODE_5 | |
472 case PATMODE_RAW_ELEM: | |
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473 ret = jssGetPatternRawVertElem(inFile, pattern); |
0 | 474 break; |
475 #endif | |
476 default: | |
477 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, | |
1212 | 478 "Unsupported pattern mode %d. Check compilation options.", |
479 jssH.patMode); | |
0 | 480 break; |
481 } | |
482 | |
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483 if (ret != DMERR_OK) |
0 | 484 { |
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485 JSSERROR(ret, ret, |
1212 | 486 "Error in unpacking pattern #%d data.\n", |
487 index); | |
0 | 488 } |
489 } | |
490 | |
491 #ifdef JM_SUP_EXT_INSTR | |
492 // Read extended instruments | |
493 for (index = 0; index < module->nextInstruments; index++) | |
494 { | |
495 JSSMODExtInstrument jssE; | |
496 JSSExtInstrument *einst; | |
497 int i; | |
498 | |
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499 // Read header data |
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500 if (!dmf_read_byte(inFile, &jssE.nsamples) || |
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501 !dmf_read_byte(inFile, &jssE.vibratoType) || |
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502 !dmf_read_le16(inFile, &jssE.vibratoSweep) || |
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503 !dmf_read_le16(inFile, &jssE.vibratoDepth) || |
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504 !dmf_read_le16(inFile, &jssE.vibratoRate) || |
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505 !dmf_read_le16(inFile, &jssE.fadeOut)) |
1271 | 506 { |
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507 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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508 "Failed to read ext.instrument #%d header.\n", |
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509 index); |
1271 | 510 } |
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511 |
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512 // Allocate instrument |
1311 | 513 einst = module->extInstruments[index] = jssAllocateExtInstrument(); |
514 if (einst == NULL) | |
0 | 515 { |
516 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, | |
1214 | 517 "Could not allocate extended instrument structure #%d\n", index); |
0 | 518 } |
519 | |
520 einst->nsamples = jssE.nsamples; | |
521 einst->vibratoType = jssE.vibratoType; | |
522 einst->vibratoSweep = jssE.vibratoSweep; | |
523 einst->vibratoDepth = jssE.vibratoDepth; | |
524 einst->vibratoRate = jssE.vibratoRate; | |
525 einst->fadeOut = jssE.fadeOut; | |
526 | |
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527 // Read and somewhat validate sNumForNotes |
0 | 528 for (i = 0; i < jsetNNotes; i++) |
529 { | |
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530 int snum; |
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531 Uint32 tmp; |
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532 |
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533 if (!dmf_read_le32(inFile, &tmp)) |
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534 { |
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535 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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536 "Failed to read ext.instrument #%d sNumForNotes[%d].\n", |
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537 index, i); |
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538 } |
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539 |
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540 einst->sNumForNotes[i] = snum = (tmp > 0) ? ((int) tmp - 1) : jsetNotSet; |
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541 |
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542 if (snum != jsetNotSet && snum > module->ninstruments) |
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543 { |
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544 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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545 "Ext.instrument #%d has invalid sNumForNotes[%d] = %d > %d max.\n", |
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546 index, i, snum, module->ninstruments); |
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547 } |
0 | 548 } |
549 | |
1247
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550 // Read and validate envelopes |
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551 if ((ret = jssMODLoadEnvelope(inFile, &einst->volumeEnv, "volume", index)) != DMERR_OK || |
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552 (ret = jssMODLoadEnvelope(inFile, &einst->panningEnv, "panning", index)) != DMERR_OK) |
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553 return ret; |
0 | 554 } |
555 | |
556 #ifdef JM_SUP_INSTR | |
557 // Read sample instrument headers | |
558 for (index = 0; index < module->ninstruments; index++) | |
559 { | |
560 JSSMODInstrument jssI; | |
561 JSSInstrument *inst; | |
562 | |
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563 // Read header data |
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564 if (!dmf_read_le32(inFile, &jssI.size) || |
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565 !dmf_read_le32(inFile, &jssI.loopS) || |
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566 !dmf_read_le32(inFile, &jssI.loopE) || |
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567 !dmf_read_le16(inFile, &jssI.flags) || |
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568 !dmf_read_le16(inFile, &jssI.C4BaseSpeed) || |
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569 !dmf_read_le16(inFile, &jssI.ERelNote) || |
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570 !dmf_read_le16(inFile, &jssI.EFineTune) || |
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571 !dmf_read_le16(inFile, &jssI.EPanning) || |
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572 !dmf_read_byte(inFile, &jssI.volume) || |
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573 !dmf_read_byte(inFile, &jssI.convFlags)) |
0 | 574 { |
1247
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575 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
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576 "Failed to read sample instrument #%d header.\n", |
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577 index); |
0 | 578 } |
579 | |
1247
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580 // Validate what we can |
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581 if (jssI.loopS > jssI.size || |
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|
582 jssI.loopE > jssI.size || |
1311 | 583 jssI.loopS > jssI.loopE) |
1247
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|
584 { |
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|
585 JSSERROR(DMERR_INVALID_DATA, DMERR_INVALID_DATA, |
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changeset
|
586 "Invalid or corrupted sample instrument #%d.\n", |
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|
587 index); |
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|
588 } |
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|
589 |
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|
590 // Allocate instrument |
1311 | 591 inst = module->instruments[index] = jssAllocateInstrument(); |
592 if (inst == NULL) | |
593 { | |
594 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, | |
595 "Could not allocate sample instrument structure #%d\n", | |
596 index); | |
597 } | |
0 | 598 |
1231 | 599 // Copy data |
0 | 600 inst->size = jssI.size; |
601 inst->loopS = jssI.loopS; | |
602 inst->loopE = jssI.loopE; | |
603 inst->flags = jssI.flags; | |
604 inst->C4BaseSpeed = jssI.C4BaseSpeed; | |
605 inst->ERelNote = jssI.ERelNote; | |
606 inst->EFineTune = jssI.EFineTune; | |
607 inst->EPanning = jssI.EPanning; | |
1247
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608 inst->volume = jssI.volume; |
0 | 609 inst->convFlags = jssI.convFlags; |
610 } | |
611 | |
612 #ifdef JM_SUP_SAMPLES | |
613 // Read sample data | |
614 for (index = 0; index < module->ninstruments; index++) | |
615 { | |
616 JSSInstrument *inst = module->instruments[index]; | |
1312 | 617 if (inst != NULL && (inst->convFlags & jsampHasData) != 0) |
0 | 618 { |
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|
619 int ret; |
1213
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|
620 size_t bsize = (inst->flags & jsf16bit) ? sizeof(Uint16) : sizeof(Uint8); |
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|
621 bsize *= inst->size; |
0 | 622 |
623 // Allocate | |
1213
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|
624 if ((inst->data = dmMalloc(bsize)) == NULL) |
0 | 625 { |
626 JSSERROR(DMERR_MALLOC, DMERR_MALLOC, | |
1213
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|
627 "Could not allocate %d bytes of sample data #%d\n", |
505317227ab4
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|
628 bsize, index); |
0 | 629 } |
630 | |
631 // Copy data | |
1213
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Rename variable, improve two error messages.
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|
632 if (!dmf_read_str(inFile, inst->data, bsize)) |
777
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658
diff
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|
633 { |
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658
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|
634 JSSERROR(DMERR_FREAD, DMERR_FREAD, |
1213
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|
635 "Could not read %d bytes of sample data for #%d\n", |
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|
636 bsize, index); |
777
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|
637 } |
0 | 638 |
639 // Convert, if needed | |
640 if (inst->flags & jsf16bit) | |
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Change API of jssDecodeSample{8,16}() functions to return dmlib error codes
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|
641 ret = jssDecodeSample16(inst->data, inst->size, inst->convFlags); |
0 | 642 else |
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643 ret = jssDecodeSample8(inst->data, inst->size, inst->convFlags); |
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|
644 |
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|
645 if (ret != DMERR_OK) |
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646 { |
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647 JSSERROR(ret, ret, |
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648 "Failed to decode sample data for #%d\n", index); |
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649 } |
0 | 650 } |
651 } | |
652 #else | |
282 | 653 # warning Not including JSSMOD sample loading! |
0 | 654 #endif // JM_SUP_SAMPLES |
655 #else | |
282 | 656 # warning Not including JSSMOD instrument loading! |
0 | 657 #endif // JM_SUP_INSTR |
658 #else | |
282 | 659 # warning Not including JSSMOD ext.instrument loading! |
0 | 660 #endif // JM_SUP_EXT_INSTR |
661 | |
662 return DMERR_OK; | |
663 } |