Mercurial > hg > dmlib
annotate dmengine.h @ 641:c3852e49a610
Change how audio configuration works.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 15 Apr 2013 09:20:45 +0300 |
| parents | b22db2832f3e |
| children | 0888971cbff8 |
| rev | line source |
|---|---|
| 372 | 1 #ifndef DMENGINE_H |
| 2 #define DMENGINE_H | |
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3 |
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4 #include "dmlib.h" |
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5 #include <SDL_events.h> |
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6 #include <SDL_audio.h> |
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7 #include "dmres.h" |
| 368 | 8 #include "dmvecmat.h" |
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9 |
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10 #ifdef DM_USE_JSS |
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11 #include "jss.h" |
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12 #include "jssmod.h" |
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13 #include "jssmix.h" |
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14 #include "jssplr.h" |
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15 #endif |
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16 |
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17 |
| 317 | 18 #ifdef __cplusplus |
| 19 extern "C" { | |
| 20 #endif | |
| 21 | |
| 593 | 22 // Video setup screen / window size |
| 620 | 23 #define DM_VSETUP_WIDTH 640 |
| 24 #define DM_VSETUP_HEIGHT 480 | |
| 593 | 25 |
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26 |
| 593 | 27 // Video setup type |
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28 enum |
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29 { |
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30 DM_VSETUP_NONE = 0x00, // No video setup, just set window/screen to what demo specifies |
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31 DM_VSETUP_ASPECT = 0x01, // Only modes that match the optVidAspect aspect ratio are ok |
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32 DM_VSETUP_ANY = 0x02, // Any available mode is okay, the code can adapt |
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33 }; |
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34 |
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35 // Audio setup type |
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36 enum |
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37 { |
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38 DM_ASETUP_NONE = 0, |
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39 DM_ASETUP_JSS = 1, |
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40 DM_ASETUP_TREMOR = 2, |
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41 }; |
| 593 | 42 |
| 43 | |
| 317 | 44 |
| 368 | 45 #define DT_MAGIC_ID "SDMETLNE" |
| 46 #define DT_MAX_EFFECT_PARAMS 16 | |
| 47 #define DT_MAX_NAME_LENGTH 32 | |
| 48 #define DT_FLOAT_STORE_SIZE 16 | |
| 49 | |
| 50 | |
| 51 enum | |
| 52 { | |
| 53 EFIT_SET, // No interpolation, just "set" the value | |
| 54 EFIT_LINEAR, // Linear interpolation | |
| 55 EFIT_SMOOTH, // Smoothstep interpolation | |
| 56 }; | |
| 57 | |
| 58 enum | |
| 59 { | |
| 60 EFPT_INT, | |
| 61 EFPT_FLOAT, | |
| 62 EFPT_STRING, | |
| 63 EFPT_VECTOR, | |
| 64 EFPT_MATRIX, | |
| 65 }; | |
| 66 | |
| 67 | |
| 68 typedef struct | |
| 69 { | |
| 70 int type; // Interpolation type (EFIT_*) between this and next point | |
| 71 int time; // Offsets to event start, -1 == attach to event start, -2 = event end (if event) | |
| 72 | |
| 73 int vint; | |
| 74 DMFloat vfloat; | |
| 75 DMVector vector; | |
| 76 DMMatrix matrix; | |
| 77 } DMTimelinePoint; | |
| 78 | |
| 79 | |
| 80 typedef struct | |
| 81 { | |
| 82 int npoints, nallocated; | |
| 83 DMTimelinePoint *points; | |
| 84 } DMTimelinePoints; | |
| 85 | |
| 86 | |
| 87 typedef struct | |
| 88 { | |
| 89 char *name; // Name / description of the parameter | |
| 90 int type; // Type (EFPT_*) | |
| 91 | |
| 92 DMTimelinePoints pts; | |
| 93 char *vstr; | |
| 94 | |
| 95 // Current values (interpolated) | |
| 96 int vint; | |
| 97 DMFloat vfloat; | |
| 98 DMVector vvector; | |
| 99 DMMatrix vmatrix; | |
| 100 } DMTimelineEventParam; | |
| 101 | |
| 102 | |
| 103 typedef struct | |
| 104 { | |
| 105 char name[DT_MAX_NAME_LENGTH]; | |
| 106 Uint32 type; | |
| 107 } DMFTimelineEventParam; | |
| 108 | |
| 109 | |
| 110 struct DMEngineData; | |
| 111 | |
| 112 | |
| 113 typedef struct | |
| 114 { | |
| 115 char * name; | |
| 116 int type; | |
| 117 | |
| 118 int (*init)(struct DMEngineData *, void **data); | |
| 119 void (*shutdown)(struct DMEngineData *, void *data); | |
| 120 int (*render)(SDL_Surface *screen, void *data, const DMTimelineEventParam *params, const int time); | |
| 121 | |
| 122 int nparams; | |
| 123 DMTimelineEventParam params[DT_MAX_EFFECT_PARAMS]; | |
| 124 } DMEffect; | |
| 125 | |
| 126 | |
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127 #ifdef DM_USE_TIMELINE |
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128 |
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129 |
| 368 | 130 typedef struct |
| 131 { | |
| 132 Uint32 start, duration; | |
| 133 char effectName[DT_MAX_NAME_LENGTH]; | |
| 134 Uint32 nparams; | |
| 135 } DMFTimelineEvent; | |
| 136 | |
| 137 | |
| 138 typedef struct | |
| 139 { | |
| 140 int start, duration; | |
| 141 DMEffect *effect; | |
| 142 int nparams; | |
| 143 DMTimelineEventParam *params; | |
| 144 } DMTimelineEvent; | |
| 145 | |
| 146 | |
| 147 typedef struct | |
| 148 { | |
| 149 BOOL enabled; | |
| 150 DMTimelinePoints points; | |
| 151 } DMTimelineCurve; | |
| 152 | |
| 153 | |
| 154 typedef struct | |
| 155 { | |
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156 Uint32 index, layer; |
| 368 | 157 char name[DT_MAX_NAME_LENGTH]; |
| 158 Uint8 enabled; | |
| 159 Uint32 nevents; | |
| 160 } DMFTimelineTrack; | |
| 161 | |
| 162 | |
| 163 typedef struct | |
| 164 { | |
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165 int index; // Track index |
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166 int layer; // Target render layer (0 = engine.screen in software rendering) |
| 368 | 167 char *name; // Name of the timeline track |
| 168 BOOL enabled; // Enabled? | |
| 169 | |
| 170 int nevents, nallocated; // Number of events | |
| 171 DMTimelineEvent **events; // Events | |
| 172 | |
| 173 DMTimelineCurve composite; // Composite curve (transparency of the "layer") | |
| 174 } DMTimelineTrack; | |
| 175 | |
| 176 | |
| 177 typedef struct | |
| 178 { | |
| 179 char magic[8]; | |
| 180 char name[DT_MAX_NAME_LENGTH]; | |
| 181 Uint32 ntracks; | |
| 182 Uint32 duration; | |
| 183 } DMFTimeline; | |
| 184 | |
| 185 | |
| 186 typedef struct | |
| 187 { | |
| 188 char *name; | |
| 189 int ntracks, nallocated, duration; | |
| 190 DMTimelineTrack **tracks; | |
| 191 } DMTimeline; | |
| 192 | |
| 193 | |
| 194 typedef struct | |
| 195 { | |
| 196 DMTimelineTrack *track; | |
| 197 DMTimelineEvent *event; | |
| 198 } DMPreparedEvent; | |
| 199 | |
| 200 | |
| 201 typedef struct _DMPreparedEventGroup | |
| 202 { | |
| 203 int start, end, nevents, nallocated; | |
| 204 DMPreparedEvent *events; | |
| 205 | |
| 206 struct _DMPreparedEventGroup *next, *prev; | |
| 207 } DMPreparedEventGroup; | |
| 208 | |
| 209 | |
| 210 typedef struct | |
| 211 { | |
| 212 int duration, ngroups, pos; | |
| 213 DMPreparedEventGroup **groups; | |
| 214 } DMPreparedTimeline; | |
| 215 | |
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216 #endif |
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217 |
| 368 | 218 |
| 367 | 219 typedef struct DMEngineData |
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220 { |
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221 DMResourceLib *resources; |
| 368 | 222 void **effectData; |
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223 |
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224 #ifdef DM_USE_TIMELINE |
| 354 | 225 DMResource *timeline; |
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226 DMTimeline *tl; |
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227 DMPreparedTimeline *ptl; |
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228 #endif |
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229 |
| 361 | 230 int frameTime, frameCount, |
| 231 startTime, endTime, | |
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232 pauseTime; |
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233 |
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234 BOOL pauseFlag, paused, exitFlag; |
| 361 | 235 |
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236 SDL_Surface *screen; |
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237 SDL_Event event; |
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238 SDL_AudioSpec optAfmt; |
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239 int optAudioSetup; |
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240 |
| 593 | 241 int optVidWidth, optVidHeight, |
| 242 optVidDepth, optVFlags, | |
| 243 optVidAspect, optVidSetup; | |
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244 |
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245 int optResFlags; |
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246 char *optDataPath, *optPackFilename; |
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247 |
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248 #ifdef DM_USE_JSS |
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249 JSSMixer *dev; |
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250 JSSPlayer *plr; |
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251 int jss_format; |
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252 #endif |
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253 |
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254 #ifdef DM_USE_TREMOR |
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255 DMResource *audioRes; |
| 113 | 256 size_t audioPos; |
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257 #endif |
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258 |
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259 int (*demoInit)(struct DMEngineData *); |
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260 int (*demoInitPreVideo)(struct DMEngineData *); |
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261 int (*demoInitPostVideo)(struct DMEngineData *); |
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262 int (*demoRender)(struct DMEngineData *); |
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263 void (*demoShutdown)(struct DMEngineData *); |
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264 void (*demoQuit)(struct DMEngineData *); |
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265 |
| 622 | 266 // Setup specifics |
| 623 | 267 DMVector setupMenuPos, setupMenuDim, setupText1Pos; |
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268 BOOL setupMenuCenter, setupTextCondensed; |
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269 } DMEngineData; |
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270 |
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271 |
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272 extern DMEffect *engineEffects; |
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273 extern int nengineEffects, nengineEffectsAlloc; |
| 368 | 274 |
| 275 | |
| 276 // Effect registration | |
| 277 int engineRegisterEffect(const DMEffect *ef); | |
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278 int engineInitializeEffects(DMEngineData *); |
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279 void engineShutdownEffects(DMEngineData *); |
| 368 | 280 DMEffect *engineFindEffect(const char *name, const int nparams); |
| 281 DMEffect *engineFindEffectByName(const char *name); | |
| 282 | |
| 283 | |
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284 #ifdef DM_USE_TIMELINE |
| 368 | 285 // Basic timeline handling |
| 286 int dmLoadTimeline(DMResource *res, DMTimeline **tl); | |
| 287 void dmFreeTimeline(DMTimeline *tl); | |
| 288 | |
| 289 void dmFreeTimelinePoints(DMTimelinePoints *points); | |
| 290 void dmFreeTimelineEventParam(DMTimelineEventParam *param); | |
| 291 void dmFreeTimelineEvent(DMTimelineEvent *event); | |
| 292 void dmFreeTimelineTrack(DMTimelineTrack *track); | |
| 293 | |
| 294 | |
| 295 // Execution related | |
| 296 int dmPrepareTimeline(DMTimeline *tl, DMPreparedTimeline *ptl); | |
| 297 void dmFreePreparedTimelineData(DMPreparedTimeline *ptl); | |
| 298 | |
| 299 int dmSeekTimeline(DMPreparedTimeline *tl, int time); | |
| 300 int dmExecuteTimeline(DMPreparedTimeline *tl, SDL_Surface *screen, int time); | |
| 301 | |
| 302 | |
| 303 // Editing/saving related functions | |
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304 int dmCopyTimelinePoints(const DMTimelinePoints *src, DMTimelinePoints *dst); |
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305 int dmCopyTimelineEventParam(const DMTimelineEventParam *src, DMTimelineEventParam *dst); |
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306 int dmCopyTimelineEvent(const DMTimelineEvent *src, DMTimelineEvent **pdst); |
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307 int dmCopyTimelineCurve(const DMTimelineCurve *src, DMTimelineCurve *dst); |
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308 int dmCopyTimelineTrack(const DMTimelineTrack *src, DMTimelineTrack **pdst); |
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309 int dmCopyTimeline(const DMTimeline *src, DMTimeline **pdst); |
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310 |
| 368 | 311 int dmSaveTimeline(DMResource *res, DMTimeline *tl); |
| 312 | |
| 313 int dmTimelineNew(DMTimeline **tl, const char *name); | |
| 314 int dmTimelineAddTrack(DMTimeline *tl, DMTimelineTrack **track, const char *name); | |
| 315 int dmTimelineTrackAddEvent(DMTimelineTrack *track, int start, int duration, DMTimelineEvent **pev); | |
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316 int dmTimelineEventSetEffect(DMTimelineEvent *event, DMEffect *ef); |
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317 int dmTimelineEventSetEffectByIndex(DMTimelineEvent *event, const int index); |
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318 int dmTimelineEventSetEffectByName(DMTimelineEvent *event, const char *name); |
| 368 | 319 |
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320 #endif // DM_USE_TIMELINE |
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321 |
| 368 | 322 |
| 323 // Resource helpers | |
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324 #define engineGetResImage(eng, x, name) \ |
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325 do { \ |
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326 if ((x = (SDL_Surface *) engineGetResource(eng, name)) == NULL) \ |
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327 return DMERR_INIT_FAIL; \ |
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328 } while (0) |
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329 |
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330 #define engineGetResModule(eng, x, name) \ |
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331 do { \ |
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332 if ((x = (JSSModule *) engineGetResource(eng, name)) == NULL) \ |
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333 return DMERR_INIT_FAIL; \ |
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334 } while (0) |
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335 |
| 367 | 336 #define engineFindResource(eng, name) dmres_find((eng)->resources, name) |
| 337 | |
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338 |
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339 int engineClassifier(DMResource *res); |
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340 void * engineGetResource(DMEngineData *eng, const char *name); |
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341 int engineGetTime(DMEngineData *eng, int t); |
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342 int engineGetTimeDTi(DMEngineData *eng); |
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343 int engineGetTick(DMEngineData *eng); |
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344 float engineGetTimeDT(DMEngineData *eng); |
| 368 | 345 |
| 593 | 346 int engineGetVideoAspect(int width, int height); |
| 347 | |
| 348 | |
| 368 | 349 // Implemented in actual demo code |
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350 int demoPreInit(DMEngineData *eng); |
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351 |
| 317 | 352 |
| 353 #ifdef __cplusplus | |
| 354 } | |
| 355 #endif | |
| 356 | |
| 372 | 357 #endif // DMENGINE_H |