Mercurial > hg > dmlib
annotate minijss/jssmod.h @ 1236:b8c9af10b7fd
Work on JSSMOD format.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Fri, 06 Mar 2015 16:36:10 +0200 |
| parents | a275b7382ffa |
| children | e8c99da451cd |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 * miniJSS - Module structure and handling routines | |
| 3 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 1163 | 4 * (C) Copyright 2006-2015 Tecnic Software productions (TNSP) |
| 0 | 5 */ |
| 6 #ifndef JSSMOD_H | |
| 7 #define JSSMOD_H | |
| 8 | |
| 9 #include "jss.h" | |
| 10 #include "dmres.h" | |
| 11 | |
| 358 | 12 #ifdef __cplusplus |
| 13 extern "C" { | |
| 14 #endif | |
| 0 | 15 |
| 16 // Max data size definitions | |
| 1220 | 17 #define jsetMaxChannels (128) |
| 18 #define jsetMaxRows (16*1024) // Number of rows checked against | |
| 19 #define jsetMaxPatterns (1024) // Max patterns | |
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20 #define jsetMaxInstruments (1024) |
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21 #define jsetMaxOrders (512) |
| 0 | 22 #define jsetNNotes (11 * 12) |
| 1220 | 23 #define jsetMinNote (0) // Smallest note number |
| 0 | 24 #define jsetMaxNote (jsetNNotes - 1) |
| 1220 | 25 #define jsetMaxEnvPoints (64) // Max number of envelope points |
| 0 | 26 |
| 27 // Instrument envelope flags | |
| 28 #define jenvfUsed (0x01) // Envelope is used | |
| 29 #define jenvfSustain (0x02) // Envelope has a sustain point (XM) or has sustain loop (IT) | |
| 30 #define jenvfLooped (0x04) // Envelope is looped | |
| 31 | |
| 32 // Instrument vibrato waveform types | |
| 33 #define jvibSine (0) | |
| 34 #define jvibRamp (1) | |
| 35 #define jvibSquare (2) | |
| 36 #define jvibRandom (3) | |
| 37 | |
| 38 // General stuff | |
| 39 #define jsetNoteOff (-2) | |
| 40 #define jsetOrderEnd (-1) | |
| 41 #define jsetOrderSkip (-2) | |
| 42 | |
| 43 | |
| 44 // General module flags | |
| 45 #define jmdfAmigaPeriods (0x0001) // Use non-linear periods (Amiga) | |
| 46 #define jmdfAmigaLimits (0x0002) // Use Amiga-styled valuelimits | |
| 47 #define jmdfStereo (0x0008) // Use stereo output, if possible | |
| 48 | |
| 49 #define jmdfFT2Replay (0x0010) // Use FT2 replaying bugs/features | |
| 50 #define jmdfST300Slides (0x0020) // Use Scream Tracker 3.00 slides | |
| 51 #define jmdfByteLStart (0x0040) // LStart is in BYTES instead of WORDS (MOD only) | |
| 52 | |
| 53 | |
| 54 // Module format types | |
| 55 enum JMDT | |
| 56 { | |
| 57 jmdtMOD = 1, | |
| 58 jmdtS3M, | |
| 59 jmdtXM, | |
| 60 jmdtIT | |
| 61 }; | |
| 62 | |
| 63 | |
| 64 // Bits for sample conversion routines | |
| 65 #define jsampDelta (0x01) | |
| 66 #define jsampFlipSign (0x02) | |
| 67 #define jsampSwapEndianess (0x04) | |
| 68 #define jsampSplit (0x08) | |
| 69 | |
| 1236 | 70 #define jsampHasData (0x80) // Special flag |
| 71 | |
| 0 | 72 |
| 73 // Internal instrument structure | |
| 74 typedef struct | |
| 75 { | |
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76 int size, // Length in units |
| 0 | 77 loopS, // Loop start position in units |
| 78 loopE; // Loop end position in units | |
| 79 int volume, // Volume [jsetMinVol...jsetMaxVol] | |
| 80 flags, // Flags - see jss.h jsfXXXX | |
| 81 C4BaseSpeed, // C4BaseSpeed | |
| 82 ERelNote, // Extended: Relative note value | |
| 83 EFineTune, // Extended: Fine-tune value | |
| 84 EPanning; // Extended: Panning | |
| 85 #ifndef JSS_LIGHT | |
| 86 char *desc; | |
| 87 #endif | |
| 88 void *data; // Sample data | |
| 89 | |
| 90 int convFlags; | |
| 91 } JSSInstrument; | |
| 92 | |
| 93 | |
| 94 // Envelope point structure | |
| 95 typedef struct | |
| 96 { | |
| 97 int frame, value; | |
| 98 } JSSEnvelopePoint; | |
| 99 | |
| 100 | |
| 101 // Envelope structure | |
| 102 typedef struct | |
| 103 { | |
| 104 int flags, | |
| 105 npoints, | |
| 106 sustain, | |
| 107 loopS, | |
| 108 loopE; | |
| 109 JSSEnvelopePoint points[jsetMaxEnvPoints]; | |
| 110 } JSSEnvelope; | |
| 111 | |
| 112 | |
| 113 // Extended instrument | |
| 114 typedef struct | |
| 115 { | |
| 116 #ifndef JSS_LIGHT | |
| 117 char *desc; | |
| 118 #endif | |
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119 int nsamples, |
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120 sNumForNotes[jsetNNotes], |
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121 instConvTable[jsetNNotes]; |
| 0 | 122 JSSEnvelope volumeEnv, panningEnv; |
| 123 int vibratoType, | |
| 124 vibratoSweep, | |
| 125 vibratoDepth, | |
| 126 vibratoRate, | |
| 127 fadeOut; | |
| 128 } JSSExtInstrument; | |
| 129 | |
| 130 | |
| 131 // Internal pattern structures | |
| 132 typedef struct | |
| 133 { | |
| 134 int note, | |
| 135 instrument, | |
| 136 volume, | |
| 137 effect, | |
| 138 param; | |
| 139 } JSSNote; | |
| 140 | |
| 141 | |
| 142 typedef struct | |
| 143 { | |
| 144 int nrows, nchannels; | |
| 145 JSSNote *data; | |
| 146 } JSSPattern; | |
| 147 | |
| 148 | |
| 149 // Module structure | |
| 150 typedef struct | |
| 151 { | |
| 152 int moduleType; // Type of the module | |
| 153 char *moduleName; // Title/name | |
| 154 char *trackerName; // Tracker software name | |
| 155 int defSpeed, // Initial values | |
| 156 defTempo, | |
| 157 defFlags, | |
| 158 defRestartPos, | |
| 159 intVersion, // Format's internal version | |
| 160 nchannels, | |
| 161 ninstruments, | |
| 162 nextInstruments, | |
| 163 npatterns, | |
| 164 norders; | |
| 165 | |
| 166 int defPanning[jsetNChannels]; | |
| 167 int orderList[jsetMaxOrders]; | |
| 168 JSSPattern *patterns[jsetMaxPatterns + 1]; | |
| 169 JSSInstrument *instruments[jsetMaxInstruments]; | |
| 170 JSSExtInstrument *extInstruments[jsetMaxInstruments]; | |
| 171 | |
| 172 #ifdef JSS_SUP_THREADS | |
| 173 DMMutex *mutex; | |
| 174 #endif | |
| 175 | |
| 176 } JSSModule; | |
| 177 | |
| 178 | |
| 179 #ifdef JSS_SUP_JSSMOD | |
| 180 | |
| 1230 | 181 #define JSSMOD_VERSION (0x20) |
| 0 | 182 |
| 183 enum | |
| 184 { | |
| 185 PATMODE_RAW_HORIZ = 1, | |
| 186 PATMODE_COMP_HORIZ, | |
| 187 PATMODE_RAW_VERT, | |
| 188 PATMODE_COMP_VERT, | |
| 189 PATMODE_RAW_ELEM, | |
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190 PATMODE_LAST |
| 0 | 191 }; |
| 192 | |
| 193 /* JSSMOD typedefs | |
| 194 */ | |
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195 typedef struct __attribute__((__packed__)) |
| 0 | 196 { |
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197 char idMagic[2]; // "JM" |
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198 Uint8 idVersion; // 0x10 for 1.0, etc. |
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199 Uint16 |
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200 defFlags, // Flags field: see jmdf* flags |
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201 intVersion, // Internal version, format dependant |
| 0 | 202 norders, // Number of orders in orderlist |
| 203 npatterns, // Number of patterns | |
| 204 nextInstruments, // Number of extended instruments | |
| 205 ninstruments, // Number of sample-instruments | |
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206 defRestartPos; // Default restart position in orderlist |
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207 |
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208 Uint8 |
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209 nchannels, // Number of channels |
| 0 | 210 defSpeed, // Default speed (ticks/row) |
| 211 defTempo, // Default tempo (BPM) | |
| 212 patMode; // Pattern data format mode | |
| 213 | |
| 214 /* | |
| 215 - After this, norders long orders table will follow, of type: | |
| 216 Sint16 orderList[norders]; | |
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217 |
| 0 | 218 - Pattern data, format depends on patMode. |
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219 |
| 0 | 220 - Extended instruments (*) |
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221 |
| 0 | 222 - Sample instrument headers (*) |
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223 |
| 0 | 224 - Sample data (format depends) (*) |
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225 |
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226 (*) Items are optional and may have been omitted. Fields in the |
| 0 | 227 module and other headers are used to indicate if these items exist. |
| 228 */ | |
| 229 } JSSMODHeader; | |
| 230 | |
| 231 | |
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232 typedef struct __attribute__((__packed__)) |
| 0 | 233 { |
| 234 Uint16 frame, value; | |
| 235 } JSSMODEnvelopePoint; | |
| 236 | |
| 237 | |
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238 typedef struct __attribute__((__packed__)) |
| 0 | 239 { |
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240 Uint32 |
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241 flags, |
| 0 | 242 npoints, |
| 243 sustain, | |
| 244 loopS, | |
| 245 loopE; | |
| 246 JSSMODEnvelopePoint points[jsetMaxEnvPoints]; | |
| 247 } JSSMODEnvelope; | |
| 248 | |
| 249 | |
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250 typedef struct __attribute__((__packed__)) |
| 0 | 251 { |
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252 Uint8 nsamples, |
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253 vibratoType; |
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254 Uint16 vibratoSweep, |
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255 vibratoDepth, |
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256 vibratoRate, |
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257 fadeOut; |
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258 Uint32 sNumForNotes[jsetNNotes]; // 32bit because internally we use global indices |
| 0 | 259 JSSMODEnvelope volumeEnv, panningEnv; |
| 260 } JSSMODExtInstrument; | |
| 261 | |
| 262 | |
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263 typedef struct __attribute__((__packed__)) |
| 0 | 264 { |
| 1236 | 265 Uint32 size, // Length in units |
| 0 | 266 loopS, // Loop start position in units |
| 267 loopE; // Loop end position in units | |
| 1236 | 268 Uint16 flags, // Flags - see jss.h jsfXXXX |
| 0 | 269 C4BaseSpeed, // C4BaseSpeed |
| 270 ERelNote, // Extended: Relative note value | |
| 271 EFineTune, // Extended: Fine-tune value | |
| 272 EPanning; // Extended: Panning | |
| 1236 | 273 Uint8 volume, // Volume [jsetMinVol...jsetMaxVol] |
| 274 convFlags; // Conversion flags .. jsampXXXX | |
| 275 // jsampHasData set if there is sample data | |
| 0 | 276 } JSSMODInstrument; |
| 277 | |
| 278 | |
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279 #define JM_COMP_NOTE (0x01) |
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280 #define JM_COMP_INSTRUMENT (0x02) |
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281 #define JM_COMP_VOLUME (0x04) |
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282 #define JM_COMP_EFFECT (0x08) |
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283 #define JM_COMP_PARAM (0x10) |
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284 #define JM_COMP_ALL (JM_COMP_NOTE | JM_COMP_INSTRUMENT | JM_COMP_VOLUME | JM_COMP_EFFECT | JM_COMP_PARAM) |
| 0 | 285 |
| 286 | |
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287 typedef struct __attribute__((__packed__)) |
| 0 | 288 { |
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289 Uint32 size; |
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290 Uint16 nrows; |
| 0 | 291 } JSSMODPattern; |
| 292 | |
| 293 #endif | |
| 294 | |
| 1216 | 295 |
| 0 | 296 #ifndef JSS_LIGHT |
| 948 | 297 char * jssASCIItoStr(const char *src, const char endByte, const size_t len); |
| 0 | 298 BOOL jssEncodeSample8(Uint8 *, const size_t, const int); |
| 299 BOOL jssEncodeSample16(Uint16 *, const size_t, const int); | |
| 300 #endif | |
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301 int jssDecodeSample8(Uint8 *, const size_t, const int); |
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302 int jssDecodeSample16(Uint16 *, const size_t, const int); |
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303 int jssConvertModuleForPlaying(JSSModule *module); |
| 1231 | 304 |
| 0 | 305 JSSModule * jssAllocateModule(void); |
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306 int jssFreeModule(JSSModule * module); |
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307 JSSPattern * jssAllocatePattern(const int nrows, const int nchannels); |
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308 void jssFreePattern(JSSPattern *pattern); |
| 0 | 309 JSSInstrument * jssAllocateInstrument(void); |
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310 void jssFreeInstrument(JSSInstrument *inst); |
| 0 | 311 JSSExtInstrument * jssAllocateExtInstrument(void); |
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312 void jssFreeExtInstrument(JSSExtInstrument *inst); |
| 0 | 313 |
| 314 #ifdef JSS_SUP_XM | |
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315 int jssLoadXM(DMResource *file, JSSModule **pmodule, BOOL probe); |
| 0 | 316 #endif |
| 317 | |
| 318 #ifdef JSS_SUP_JSSMOD | |
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319 int jssLoadJSSMOD(DMResource *file, JSSModule **pmodule, BOOL probe); |
| 0 | 320 #endif |
| 321 | |
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322 |
| 358 | 323 #ifdef __cplusplus |
| 324 } | |
| 325 #endif | |
| 326 | |
| 0 | 327 #endif // JSSMOD_H |