libcm is a C development framework with an emphasis on audio signal processing applications.
Du kannst nicht mehr als 25 Themen auswählen Themen müssen mit entweder einem Buchstaben oder einer Ziffer beginnen. Sie können Bindestriche („-“) enthalten und bis zu 35 Zeichen lang sein.

cmProc4.c 112KB

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  1. #include "cmPrefix.h"
  2. #include "cmGlobal.h"
  3. #include "cmRpt.h"
  4. #include "cmErr.h"
  5. #include "cmCtx.h"
  6. #include "cmMem.h"
  7. #include "cmMallocDebug.h"
  8. #include "cmLinkedHeap.h"
  9. #include "cmFloatTypes.h"
  10. #include "cmComplexTypes.h"
  11. #include "cmFileSys.h"
  12. #include "cmJson.h"
  13. #include "cmSymTbl.h"
  14. #include "cmAudioFile.h"
  15. #include "cmText.h"
  16. #include "cmProcObj.h"
  17. #include "cmProcTemplate.h"
  18. #include "cmMath.h"
  19. #include "cmProc.h"
  20. #include "cmVectOps.h"
  21. #include "cmTime.h"
  22. #include "cmMidi.h"
  23. #include "cmMidiFile.h"
  24. #include "cmTimeLine.h"
  25. #include "cmScore.h"
  26. #include "cmProc4.h"
  27. cmScFol* cmScFolAlloc( cmCtx* c, cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
  28. {
  29. cmScFol* op = cmObjAlloc(cmScFol,c,p);
  30. if( srate != 0 )
  31. if( cmScFolInit(op,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel) != cmOkRC )
  32. cmScFolFree(&op);
  33. return op;
  34. }
  35. cmRC_t cmScFolFree( cmScFol** pp )
  36. {
  37. cmRC_t rc = cmOkRC;
  38. if( pp==NULL || *pp==NULL )
  39. return rc;
  40. cmScFol* p = *pp;
  41. if((rc = cmScFolFinal(p)) != cmOkRC )
  42. return rc;
  43. unsigned i;
  44. for(i=0; i<p->locN; ++i)
  45. cmMemFree(p->loc[i].evtV);
  46. cmMemFree(p->loc);
  47. cmMemFree(p->bufV);
  48. cmObjFree(pp);
  49. return rc;
  50. }
  51. cmRC_t cmScFolFinal( cmScFol* p )
  52. {
  53. cmMemFree(p->edWndMtx);
  54. return cmOkRC;
  55. }
  56. void _cmScFolPrint( cmScFol* p )
  57. {
  58. int i,j;
  59. for(i=0; i<p->locN; ++i)
  60. {
  61. printf("%2i %5i ",p->loc[i].barNumb,p->loc[i].scIdx);
  62. for(j=0; j<p->loc[i].evtCnt; ++j)
  63. printf("%s ",cmMidiToSciPitch(p->loc[i].evtV[j].pitch,NULL,0));
  64. printf("\n");
  65. }
  66. }
  67. unsigned* _cmScFolAllocEditDistMtx(unsigned maxN)
  68. {
  69. maxN += 1;
  70. unsigned* m = cmMemAllocZ(unsigned,maxN*maxN);
  71. unsigned* p = m;
  72. unsigned i;
  73. // initialize the comparison matrix with the default costs in the
  74. // first row and column
  75. // (Note that this matrix is not oriented in column major order like most 'cm' matrices.)
  76. for(i=0; i<maxN; ++i)
  77. {
  78. p[i] = i; // 0th row
  79. p[ i * maxN ] = i; // 0th col
  80. }
  81. return m;
  82. }
  83. cmRC_t cmScFolInit( cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
  84. {
  85. cmRC_t rc;
  86. if((rc = cmScFolFinal(p)) != cmOkRC )
  87. return rc;
  88. if( bufN > maxWndCnt )
  89. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower buffer count (%i) must be less than the max. window length (%i).",bufN,maxWndCnt );
  90. if( minWndLookAhead > maxWndCnt )
  91. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower look-ahead count (%i) must be less than the max. window length (%i).",minWndLookAhead,maxWndCnt);
  92. p->srate = srate;
  93. p->scH = scH;
  94. p->bufN = bufN;
  95. p->bufV = cmMemResizeZ(cmScFolBufEle_t,p->bufV,bufN);
  96. p->locN = cmScoreEvtCount(scH);
  97. p->loc = cmMemResizeZ(cmScFolLoc_t,p->loc,p->locN);
  98. p->sbi = cmInvalidIdx;
  99. p->sei = cmInvalidIdx;
  100. p->msln = minWndLookAhead;
  101. p->mswn = maxWndCnt;
  102. p->forwardCnt = 2;
  103. p->maxDist = 4;
  104. p->edWndMtx = _cmScFolAllocEditDistMtx(p->bufN);
  105. p->minVel = minVel;
  106. p->printFl = true;
  107. p->noBackFl = true;
  108. p->missCnt = 0;
  109. p->matchCnt = 0;
  110. p->eventIdx = 0;
  111. p->skipCnt = 0;
  112. p->ret_idx = cmInvalidIdx;
  113. // for each score location
  114. unsigned li,ei;
  115. for(li=0,ei=0; li<cmScoreLocCount(p->scH); ++li)
  116. {
  117. unsigned i,n;
  118. const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
  119. // count the number of note events at location li
  120. for(n=0,i=0; i<lp->evtCnt; ++i)
  121. if( lp->evtArray[i]->type == kNonEvtScId )
  122. ++n;
  123. assert( ei+n <= p->locN );
  124. // duplicate each note at location li n times
  125. for(i=0; i<n; ++i)
  126. {
  127. unsigned j,k;
  128. p->loc[ei+i].evtCnt = n;
  129. p->loc[ei+i].evtV = cmMemAllocZ(cmScFolEvt_t,n);
  130. p->loc[ei+i].scIdx = li;
  131. p->loc[ei+i].barNumb = lp->barNumb;
  132. for(j=0,k=0; j<lp->evtCnt; ++j)
  133. if( lp->evtArray[j]->type == kNonEvtScId )
  134. {
  135. p->loc[ei+i].evtV[k].pitch = lp->evtArray[j]->pitch;
  136. p->loc[ei+i].evtV[k].scEvtIdx = lp->evtArray[j]->index;
  137. ++k;
  138. }
  139. }
  140. ei += n;
  141. }
  142. p->locN = ei;
  143. //_cmScFolPrint(p);
  144. return rc;
  145. }
  146. cmRC_t cmScFolReset( cmScFol* p, unsigned scEvtIdx )
  147. {
  148. int i,j;
  149. // empty the event buffer
  150. memset(p->bufV,0,sizeof(cmScFolBufEle_t)*p->bufN);
  151. // don't allow the score index to be prior to the first note
  152. //if( scEvtIdx < p->loc[0].scIdx )
  153. // scEvtIdx = p->loc[0].scIdx;
  154. p->sei = cmInvalidIdx;
  155. p->sbi = cmInvalidIdx;
  156. p->missCnt = 0;
  157. p->matchCnt = 0;
  158. p->eventIdx = 0;
  159. p->skipCnt = 0;
  160. p->ret_idx = cmInvalidIdx;
  161. // locate the score element in svV[] that is closest to,
  162. // and possibly after, scEvtIdx.
  163. for(i=0; i<p->locN-1; ++i)
  164. {
  165. for(j=0; j<p->loc[i].evtCnt; ++j)
  166. if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx )
  167. p->sbi = i;
  168. else
  169. break;
  170. }
  171. // locate the score element at the end of the look-ahead region
  172. for(; i<p->locN; ++i)
  173. {
  174. for(j=0; j<p->loc[i].evtCnt; ++j)
  175. if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx + p->msln )
  176. p->sei = i;
  177. }
  178. return cmOkRC;
  179. }
  180. bool _cmScFolIsMatch( const cmScFolLoc_t* loc, unsigned pitch )
  181. {
  182. unsigned i;
  183. for(i=0; i<loc->evtCnt; ++i)
  184. if( loc->evtV[i].pitch == pitch )
  185. return true;
  186. return false;
  187. }
  188. int _cmScFolMatchCost( const cmScFolLoc_t* loc, unsigned li, const cmScFolBufEle_t* pitch, unsigned pi )
  189. {
  190. if( _cmScFolIsMatch(loc+li,pitch[pi].val) )
  191. return 0;
  192. if( li>0 && pi>0 )
  193. if( _cmScFolIsMatch(loc+li-1,pitch[pi].val) && _cmScFolIsMatch(loc+li,pitch[pi-1].val) )
  194. return 0;
  195. return 1;
  196. }
  197. int _cmScFolDist(unsigned mtxMaxN, unsigned* m, const cmScFolBufEle_t* s1, const cmScFolLoc_t* s0, int n )
  198. {
  199. mtxMaxN += 1;
  200. assert( n < mtxMaxN );
  201. int v = 0;
  202. unsigned i;
  203. // Note that m[maxN,maxN] is not oriented in column major order like most 'cm' matrices.
  204. for(i=1; i<n+1; ++i)
  205. {
  206. unsigned ii = i * mtxMaxN; // current row
  207. unsigned i_1 = ii - mtxMaxN; // previous row
  208. unsigned j;
  209. for( j=1; j<n+1; ++j)
  210. {
  211. //int cost = s0[i-1] == s1[j-1] ? 0 : 1;
  212. //int cost = _cmScFolIsMatch(s0 + i-1, s1[j-1]) ? 0 : 1;
  213. int cost = _cmScFolMatchCost(s0,i-1,s1,j-1);
  214. //m[i][j] = min( m[i-1][j] + 1, min( m[i][j-1] + 1, m[i-1][j-1] + cost ) );
  215. m[ ii + j ] = v = cmMin( m[ i_1 + j] + 1, cmMin( m[ ii + j - 1] + 1, m[ i_1 + j - 1 ] + cost ) );
  216. }
  217. }
  218. return v;
  219. }
  220. void _cmScFolRpt0( cmScFol* p, unsigned locIdx, unsigned locN, const cmScFolBufEle_t* b, unsigned bn, unsigned min_idx )
  221. {
  222. unsigned i;
  223. int n;
  224. printf("--------------- event:%i ------------- \n",p->eventIdx);
  225. printf("loc: ");
  226. for(i=0; i<locN; ++i)
  227. printf("%4i ",i+locIdx);
  228. printf("\n");
  229. for(n=0,i=0; i<locN; ++i)
  230. if( p->loc[locIdx+i].evtCnt > n )
  231. n = p->loc[locIdx+i].evtCnt;
  232. --n;
  233. for(; n>=0; --n)
  234. {
  235. printf("sc%1i: ",n);
  236. for(i=0; i<locN; ++i)
  237. {
  238. if( n < p->loc[locIdx+i].evtCnt )
  239. printf("%4s ",cmMidiToSciPitch(p->loc[locIdx+i].evtV[n].pitch,NULL,0));
  240. else
  241. printf(" ");
  242. }
  243. printf("\n");
  244. }
  245. printf("perf:");
  246. for(i=0; i<min_idx; ++i)
  247. printf(" ");
  248. for(i=0; i<bn; ++i)
  249. printf("%4s ",cmMidiToSciPitch(b[i].val,NULL,0));
  250. printf("\n");
  251. }
  252. void _cmScFolRpt1( cmScFol*p, unsigned minDist, unsigned ret_idx, unsigned d1, unsigned missCnt, unsigned matchCnt )
  253. {
  254. printf("dist:%i miss:%i match:%i skip:%i vel:%i ",minDist,missCnt,matchCnt,p->skipCnt,d1);
  255. if( ret_idx != cmInvalidIdx )
  256. printf("ret_idx:%i ",ret_idx);
  257. printf("\n");
  258. }
  259. unsigned cmScFolExec( cmScFol* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
  260. {
  261. unsigned ret_idx = cmInvalidIdx;
  262. if( p->sbi == cmInvalidIdx )
  263. {
  264. cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An initial score search location has not been set." );
  265. return ret_idx;
  266. }
  267. if( (status&0xf0) != kNoteOnMdId )
  268. return ret_idx;
  269. ++p->eventIdx;
  270. // reject notes with very low velocity
  271. if( d1 < p->minVel )
  272. {
  273. ++p->skipCnt;
  274. return ret_idx;
  275. }
  276. // left shift bufV[] to make the right-most element available - then copy in the new element
  277. memmove(p->bufV, p->bufV+1, sizeof(cmScFolBufEle_t)*(p->bufN-1));
  278. p->bufV[ p->bufN-1 ].smpIdx = smpIdx;
  279. p->bufV[ p->bufN-1 ].val = d0;
  280. p->bufV[ p->bufN-1 ].validFl= true;
  281. // fill in ebuf[] with the valid values in bufV[]
  282. int en = cmMin(p->eventIdx,p->bufN);
  283. int bbi = p->eventIdx>=p->bufN ? 0 : p->bufN-p->eventIdx;
  284. // en is the count of valid elements in ebuf[].
  285. // ebuf[p->boi] is the first valid element
  286. int j = 0;
  287. int minDist = INT_MAX;
  288. int minIdx = cmInvalidIdx;
  289. int dist;
  290. // the score wnd must always be as long as the buffer n
  291. // at the end of the score this may not be the case
  292. // (once sei hits locN - at this point we must begin
  293. // shrinking ewnd[] to contain only the last p->sei-p->sbi+1 elements)
  294. assert( p->sei-p->sbi+1 >= en );
  295. for(j=0; p->sbi+en+j-1 <= p->sei; ++j)
  296. {
  297. // use <= minDist to choose the latest window with the lowest match
  298. if((dist = _cmScFolDist(p->bufN, p->edWndMtx, p->bufV+bbi, p->loc + p->sbi+j, en )) < minDist )
  299. {
  300. // only make an eql match if the posn is greater than the last location
  301. if( dist==minDist && p->ret_idx != cmInvalidId && p->ret_idx >= p->sbi+minIdx+en-1 )
  302. continue;
  303. minDist = dist;
  304. minIdx = j;
  305. }
  306. }
  307. // The best fit is on the score window: p->loc[sbi+minIdx : sbi+minIdx+en-1 ]
  308. if( p->printFl )
  309. _cmScFolRpt0( p, p->sbi, p->sei-p->sbi+1, p->bufV+bbi, en, minIdx );
  310. // save current missCnt for later printing
  311. unsigned missCnt = p->missCnt;
  312. // if a perfect match occurred
  313. if( minDist == 0 )
  314. {
  315. ret_idx = p->sbi + minIdx + en - 1;
  316. p->missCnt = 0;
  317. // we had a perfect match - shrink the window to it's minumum size
  318. p->sbi += (en==p->bufN) ? minIdx + 1 : 0; // move wnd begin forward to just past first match
  319. p->sei = p->sbi + minIdx + en + p->msln; // move wnd end forward to lead by the min look-ahead
  320. }
  321. else
  322. {
  323. if( minDist > p->maxDist )
  324. ret_idx = cmInvalidIdx;
  325. else
  326. // if the last event matched - then return the match location as the current score location
  327. if( _cmScFolIsMatch(p->loc+(p->sbi+minIdx+en-1),p->bufV[p->bufN-1].val) )
  328. {
  329. ret_idx = p->sbi + minIdx + en - 1;
  330. p->missCnt = 0;
  331. // this is probably a pretty good match reduce the part of the window prior to
  332. // the first match (bring the end of the window almost up to the end of the
  333. // buffers sync position)
  334. if( en >= p->bufN-1 && (en+2) <= ret_idx )
  335. p->sbi = ret_idx - (en+2);
  336. }
  337. else // the last event does not match based on the optimal edit-distance alignment
  338. {
  339. // Look backward from the closest match location for a match to the current pitch.
  340. // The backward search scope is limited by the current value of 'missCnt'.
  341. unsigned i;
  342. j = p->sbi+minIdx+en-2;
  343. for(i=1; i+1 <= p->bufN && j>=p->sbi && i<=p->missCnt; ++i,--j)
  344. {
  345. // if this look-back location already matched then stop the backward search
  346. if(_cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1-i].val))
  347. break;
  348. // does this look-back location match the current pitch
  349. if(_cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1].val))
  350. {
  351. ret_idx = j;
  352. p->missCnt = i; // set missCnt to the cnt of steps backward necessary for a match
  353. break;
  354. }
  355. }
  356. // If the backward search did not find a match - look forward
  357. if( ret_idx == cmInvalidIdx )
  358. {
  359. unsigned i;
  360. j = p->sbi+minIdx+en;
  361. for(i=0; j<=p->sei && i<p->forwardCnt; ++i,++j)
  362. if( _cmScFolIsMatch(p->loc+j,p->bufV[p->bufN-1].val) )
  363. {
  364. ret_idx = j;
  365. break;
  366. }
  367. p->missCnt = ret_idx == cmInvalidIdx ? p->missCnt + 1 : 0;
  368. }
  369. }
  370. // Adjust the end window position (sei) based on the match location
  371. if( ret_idx == cmInvalidIdx )
  372. {
  373. // even though we didn't match move the end of the score window forward
  374. // this will enlarge the score window by one
  375. p->sei += 1;
  376. }
  377. else
  378. {
  379. assert( p->sei>=ret_idx);
  380. // force sei to lead by min look-ahead
  381. if( p->sei - ret_idx < p->msln )
  382. p->sei = ret_idx + p->msln;
  383. }
  384. assert( p->sei > p->sbi );
  385. // Adjust the begin window position
  386. if( p->noBackFl && ret_idx != cmInvalidIdx && en>=p->bufN && p->sbi > p->bufN )
  387. p->sbi = ret_idx - p->bufN;
  388. // if the score window length surpasses the max score window size
  389. // move the beginning index forward
  390. if( p->sei - p->sbi + 1 > p->mswn && p->sei > p->mswn )
  391. p->sbi = p->sei - p->mswn + 1;
  392. }
  393. if( p->printFl )
  394. _cmScFolRpt1(p, minDist, ret_idx, d1, missCnt, p->matchCnt );
  395. // don't allow the returned location to repeat or go backwards
  396. if( p->noBackFl && p->ret_idx != cmInvalidIdx && ret_idx <= p->ret_idx )
  397. ret_idx = cmInvalidIdx;
  398. // track the number of consecutive matches
  399. if( ret_idx == cmInvalidIdx )
  400. p->matchCnt = 0;
  401. else
  402. {
  403. ++p->matchCnt;
  404. p->ret_idx = ret_idx;
  405. }
  406. // Force the window to remain valid when it is at the end of the score
  407. // - sbi and sei must be inside 0:locN
  408. // - sei-sbi + 1 must be >= en
  409. if( p->sei >= p->locN )
  410. {
  411. p->sei = p->locN - 1;
  412. p->sbi = p->sei - p->bufN + 1;
  413. }
  414. if( ret_idx != cmInvalidIdx )
  415. ret_idx = p->loc[ret_idx].scIdx;
  416. return ret_idx;
  417. }
  418. //=======================================================================================================================
  419. cmScTrk* cmScTrkAlloc( cmCtx* c, cmScTrk* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
  420. {
  421. cmScTrk* op = cmObjAlloc(cmScTrk,c,p);
  422. op->sfp = cmScFolAlloc(c,NULL,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel);
  423. if( srate != 0 )
  424. if( cmScTrkInit(op,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel) != cmOkRC )
  425. cmScTrkFree(&op);
  426. return op;
  427. }
  428. cmRC_t cmScTrkFree( cmScTrk** pp )
  429. {
  430. cmRC_t rc = cmOkRC;
  431. if( pp==NULL || *pp==NULL )
  432. return rc;
  433. cmScTrk* p = *pp;
  434. if((rc = cmScTrkFinal(p)) != cmOkRC )
  435. return rc;
  436. cmScFolFree(&p->sfp);
  437. cmObjFree(pp);
  438. return rc;
  439. }
  440. void _cmScTrkPrint( cmScTrk* p )
  441. {
  442. int i,j;
  443. for(i=0; i<p->locN; ++i)
  444. {
  445. printf("%2i %5i ",p->loc[i].barNumb,p->loc[i].scIdx);
  446. for(j=0; j<p->loc[i].evtCnt; ++j)
  447. printf("%s ",cmMidiToSciPitch(p->loc[i].evtV[j].pitch,NULL,0));
  448. printf("\n");
  449. }
  450. }
  451. cmRC_t cmScTrkInit( cmScTrk* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel )
  452. {
  453. cmRC_t rc;
  454. if((rc = cmScTrkFinal(p)) != cmOkRC )
  455. return rc;
  456. if( minWndLookAhead > maxWndCnt )
  457. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score follower look-ahead count (%i) must be less than the max. window length (%i).",minWndLookAhead,maxWndCnt);
  458. if((rc = cmScFolInit(p->sfp,srate,scH,bufN,minWndLookAhead,maxWndCnt,minVel)) != cmOkRC )
  459. return rc;
  460. p->srate = srate;
  461. p->scH = scH;
  462. p->locN = cmScoreLocCount(scH);
  463. p->loc = cmMemResizeZ(cmScTrkLoc_t,p->loc,p->locN);
  464. p->minVel = minVel;
  465. p->maxWndCnt = maxWndCnt;
  466. p->minWndLookAhead= 4; //minWndLookAhead;
  467. p->printFl = true;
  468. p->curLocIdx = cmInvalidIdx;
  469. p->evtIndex = 0;
  470. // for each score location
  471. unsigned li;
  472. for(li=0; li<cmScoreLocCount(p->scH); ++li)
  473. {
  474. unsigned i,j,k,n;
  475. const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
  476. // count the number of note events at location li
  477. for(n=0,i=0; i<lp->evtCnt; ++i)
  478. if( lp->evtArray[i]->type == kNonEvtScId )
  479. ++n;
  480. p->loc[li].evtCnt = n;
  481. p->loc[li].evtV = cmMemAllocZ(cmScTrkEvt_t,n);
  482. p->loc[li].scIdx = li;
  483. p->loc[li].barNumb = lp->barNumb;
  484. for(j=0,k=0; j<lp->evtCnt; ++j)
  485. if( lp->evtArray[j]->type == kNonEvtScId )
  486. {
  487. p->loc[li].evtV[k].pitch = lp->evtArray[j]->pitch;
  488. p->loc[li].evtV[k].scEvtIdx = lp->evtArray[j]->index;
  489. ++k;
  490. }
  491. }
  492. //_cmScTrkPrint(p);
  493. return rc;
  494. }
  495. cmRC_t cmScTrkFinal( cmScTrk* p )
  496. {
  497. unsigned i;
  498. for(i=0; i<p->locN; ++i)
  499. cmMemPtrFree(&p->loc[i].evtV);
  500. return cmOkRC;
  501. }
  502. cmRC_t cmScTrkReset( cmScTrk* p, unsigned scEvtIdx )
  503. {
  504. unsigned i;
  505. cmScFolReset(p->sfp,scEvtIdx);
  506. p->curLocIdx = cmInvalidIdx;
  507. p->evtIndex = 0;
  508. // locate the score element in svV[] that is closest to,
  509. // and possibly after, scEvtIdx.
  510. for(i=0; i<p->locN; ++i)
  511. {
  512. unsigned j;
  513. for(j=0; j<p->loc[i].evtCnt; ++j)
  514. {
  515. p->loc[i].evtV[j].matchFl = false;
  516. // it is possible that scEvtIdx is before the first event included in p->loc[0]
  517. // using the p->curLocIdx==cmInvalidIdx forces the first evt in p->loc[0] to be
  518. // selected in this case
  519. if( p->loc[i].evtV[j].scEvtIdx <= scEvtIdx || p->curLocIdx==cmInvalidIdx )
  520. p->curLocIdx = i;
  521. }
  522. }
  523. if( p->curLocIdx == cmInvalidIdx )
  524. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The initial score search location event %i was not found.", scEvtIdx );
  525. return cmOkRC;
  526. }
  527. unsigned _cmScTrkIsMatch(cmScTrk* p, int d, unsigned pitch )
  528. {
  529. if( 0 <= p->curLocIdx + d && p->curLocIdx+1 < p->locN )
  530. {
  531. unsigned i;
  532. const cmScTrkLoc_t* lp = p->loc + p->curLocIdx + d;
  533. for(i=0; i<lp->evtCnt; ++i)
  534. if( lp->evtV[i].pitch == pitch && lp->evtV[i].matchFl==false)
  535. return i;
  536. }
  537. return cmInvalidIdx;
  538. }
  539. void _cmScTrkRpt0( cmScTrk* p, unsigned pitch, unsigned vel, unsigned nli, unsigned nei )
  540. {
  541. bool missFl = nli==cmInvalidIdx || nei==cmInvalidIdx;
  542. printf("------- event:%i %s vel:%i cur:%i new:%i %s-------\n",p->evtIndex,cmMidiToSciPitch(pitch,NULL,0),vel,p->curLocIdx,nli,missFl?"MISS ":"");
  543. int bi = p->curLocIdx < p->minWndLookAhead ? 0 : p->curLocIdx - p->minWndLookAhead;
  544. int ei = cmMin(p->locN-1,p->curLocIdx+p->minWndLookAhead);
  545. unsigned i,n=0;
  546. for(i=bi; i<=ei; ++i)
  547. if( p->loc[i].evtCnt>n )
  548. n = p->loc[i].evtCnt;
  549. printf("loc ");
  550. for(i=bi; i<=ei; ++i)
  551. printf("%4i ",i);
  552. printf("\n");
  553. for(i=0; i<n; ++i)
  554. {
  555. unsigned j;
  556. printf("sc%2i ",i);
  557. for(j=bi; j<=ei; ++j)
  558. {
  559. if( i < p->loc[j].evtCnt )
  560. {
  561. char* X = p->loc[j].evtV[i].matchFl ? "__" : " ";
  562. if( nli==j && nei==i)
  563. {
  564. X = "**";
  565. assert( p->loc[j].evtV[i].pitch == pitch );
  566. }
  567. printf("%4s%s ",cmMidiToSciPitch(p->loc[j].evtV[i].pitch,NULL,0),X);
  568. }
  569. else
  570. printf(" ");
  571. }
  572. printf("\n");
  573. }
  574. }
  575. unsigned cmScTrkExec( cmScTrk* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
  576. {
  577. unsigned ret_idx = cmInvalidIdx;
  578. //cmScFolExec(p->sfp, smpIdx, status, d0, d1);
  579. if( (status&0xf0) != kNoteOnMdId )
  580. return cmInvalidIdx;
  581. if( p->curLocIdx == cmInvalidIdx )
  582. {
  583. cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An initial score search location has not been set." );
  584. return cmInvalidIdx;
  585. }
  586. int i,nei,nli=cmInvalidIdx;
  587. // try to match curLocIdx first
  588. if((nei = _cmScTrkIsMatch(p,0,d0)) != cmInvalidIdx )
  589. nli = p->curLocIdx;
  590. for(i=1; nei==cmInvalidIdx && i<p->minWndLookAhead; ++i)
  591. {
  592. // go forward
  593. if((nei = _cmScTrkIsMatch(p,i,d0)) != cmInvalidIdx )
  594. nli = p->curLocIdx + i;
  595. else
  596. // go backward
  597. if((nei = _cmScTrkIsMatch(p,-i,d0)) != cmInvalidIdx )
  598. nli = p->curLocIdx - i;
  599. }
  600. if( p->printFl )
  601. {
  602. _cmScTrkRpt0(p, d0, d1, nli, nei );
  603. }
  604. if( nli != cmInvalidIdx )
  605. {
  606. p->loc[nli].evtV[nei].matchFl = true;
  607. ret_idx = p->loc[nli].scIdx;
  608. if( nli > p->curLocIdx )
  609. p->curLocIdx = nli;
  610. }
  611. ++p->evtIndex;
  612. return ret_idx;
  613. }
  614. //=======================================================================================================================
  615. //----------------------------------------------------------------------------------------
  616. void ed_print_mtx( ed_r* r)
  617. {
  618. unsigned i,j,k;
  619. for(i=0; i<r->rn; ++i)
  620. {
  621. for(j=0; j<r->cn; ++j)
  622. {
  623. printf("(");
  624. const ed_val* vp = r->m + i + (j*r->rn);
  625. for(k=0; k<kEdCnt; ++k)
  626. {
  627. printf("%i",vp->v[k]);
  628. if( k<kEdCnt-1)
  629. printf(", ");
  630. else
  631. printf(" ");
  632. }
  633. printf("%c)",vp->transFl?'t':' ');
  634. }
  635. printf("\n");
  636. }
  637. }
  638. void ed_init( ed_r* r, const char* s0, const char* s1 )
  639. {
  640. unsigned i,j,k;
  641. r->rn = strlen(s0)+1;
  642. r->cn = strlen(s1)+1;
  643. r->m = cmMemAllocZ(ed_val, r->rn*r->cn );
  644. r->pn = r->rn + r->cn;
  645. r->p_mem = cmMemAllocZ(ed_path, 2*r->pn );
  646. r->p_avl = r->p_mem;
  647. r->p_cur = NULL;
  648. r->p_opt = r->p_mem + r->pn;
  649. r->s_opt = DBL_MAX;
  650. r->s0 = s0;
  651. r->s1 = s1;
  652. for(i=0; i<r->rn; ++i)
  653. for(j=0; j<r->cn; ++j)
  654. {
  655. unsigned v[] = {0,0,0,0};
  656. if( i == 0 )
  657. {
  658. v[kEdMinIdx] = j;
  659. v[kEdInsIdx] = j;
  660. }
  661. else
  662. if( j == 0 )
  663. {
  664. v[kEdMinIdx] = i;
  665. v[kEdDelIdx] = i;
  666. }
  667. for(k=0; k<kEdCnt; ++k)
  668. r->m[ i + (j*r->rn) ].v[k] = v[k];
  669. }
  670. // put pn path records on the available list
  671. for(i=0; i<r->pn; ++i)
  672. r->p_mem[i].next = i<r->pn-1 ? r->p_mem + i + 1 : NULL;
  673. }
  674. unsigned _ed_min( ed_r* r, unsigned i, unsigned j )
  675. {
  676. assert( i<r->rn && j<r->cn );
  677. return r->m[ i + (j*r->rn) ].v[kEdMinIdx];
  678. }
  679. bool _ed_is_trans( ed_r* r, const ed_val* v1p, unsigned i, unsigned j )
  680. {
  681. bool fl = false;
  682. ed_val* v0p = r->m + i + (j*r->rn);
  683. if( i>=1 && j>=1 &&
  684. v1p->v[kEdMinIdx] == v1p->v[kEdSubIdx]
  685. && v1p->matchFl == false
  686. && v0p->v[kEdMinIdx] == v0p->v[kEdSubIdx]
  687. && v0p->matchFl == false )
  688. {
  689. char c00 = r->s0[i-1];
  690. char c01 = r->s0[i ];
  691. char c10 = r->s1[j-1];
  692. char c11 = r->s1[j ];
  693. fl = c00==c11 && c01==c10;
  694. }
  695. return fl;
  696. }
  697. void ed_calc_mtx( ed_r* r )
  698. {
  699. unsigned i,j;
  700. for(i=1; i<r->rn; ++i)
  701. for(j=1; j<r->cn; ++j)
  702. {
  703. ed_val* vp = r->m + i + (j*r->rn);
  704. vp->matchFl = r->s0[i-1] == r->s1[j-1];
  705. unsigned cost = vp->matchFl ? 0 : 1;
  706. vp->v[kEdSubIdx] = _ed_min(r,i-1,j-1) + cost;
  707. vp->v[kEdDelIdx] = _ed_min(r,i-1,j ) + 1;
  708. vp->v[kEdInsIdx] = _ed_min(r,i, j-1) + 1;
  709. vp->v[kEdMinIdx] = cmMin( vp->v[kEdSubIdx], cmMin(vp->v[kEdDelIdx],vp->v[kEdInsIdx]));
  710. vp->transFl = _ed_is_trans(r,vp,i-1,j-1);
  711. }
  712. }
  713. void ed_path_push( ed_r* r, unsigned code, unsigned ri, unsigned ci, bool matchFl, bool transFl )
  714. {
  715. assert(r->p_avl != NULL );
  716. ed_path* p = r->p_avl;
  717. r->p_avl = r->p_avl->next;
  718. p->code = code;
  719. p->ri = ri;
  720. p->ci = ci;
  721. p->matchFl = matchFl;
  722. p->transFl = transFl;
  723. p->next = r->p_cur;
  724. r->p_cur = p;
  725. }
  726. void ed_path_pop( ed_r* r )
  727. {
  728. assert( r->p_cur != NULL );
  729. ed_path* tp = r->p_cur->next;
  730. r->p_cur->next = r->p_avl;
  731. r->p_avl = r->p_cur;
  732. r->p_cur = tp;
  733. }
  734. double ed_score_candidate( ed_r* r )
  735. {
  736. ed_path* cp = r->p_cur;
  737. ed_path* bp = r->p_cur;
  738. ed_path* ep = NULL;
  739. for(; cp!=NULL; cp=cp->next)
  740. if( cp->code != kEdInsIdx )
  741. {
  742. bp = cp;
  743. break;
  744. }
  745. for(; cp!=NULL; cp=cp->next)
  746. if( cp->code!=kEdInsIdx )
  747. ep = cp;
  748. assert( ep!=NULL && bp!=ep);
  749. unsigned n=1;
  750. for(cp=bp; cp!=ep; cp=cp->next)
  751. ++n;
  752. double gapCnt = 0;
  753. double penalty = 0;
  754. bool pfl = bp->matchFl;
  755. unsigned i;
  756. cp = bp;
  757. for(i=0; i<n; ++i,cp=cp->next)
  758. {
  759. // a gap is a transition from a matching subst. to an insert or deletion
  760. //if( pc != cp->code && cp->code != kEdSubIdx && pc==kEdSubIdx && pfl==true )
  761. if( pfl==true && cp->matchFl==false )
  762. ++gapCnt;
  763. //
  764. switch( cp->code )
  765. {
  766. case kEdSubIdx:
  767. penalty += cp->matchFl ? 0 : 1;
  768. penalty -= cp->transFl ? 1 : 0;
  769. break;
  770. case kEdDelIdx:
  771. penalty += 1;
  772. break;
  773. case kEdInsIdx:
  774. penalty += 1;
  775. break;
  776. }
  777. pfl = cp->matchFl;
  778. }
  779. double score = gapCnt/n + penalty;
  780. printf("n:%i gaps:%f gap_score:%f penalty:%f score:%f\n",n,gapCnt,gapCnt/n,penalty,score);
  781. return score;
  782. }
  783. void ed_eval_candidate( ed_r* r, double score )
  784. {
  785. if( r->s_opt == DBL_MAX || r->s_opt > score)
  786. {
  787. // copy the p_cur to p_opt[]
  788. ed_path* cp = r->p_cur;
  789. unsigned i;
  790. for(i=0; cp!=NULL && i<r->pn; cp=cp->next,++i)
  791. {
  792. r->p_opt[i].code = cp->code;
  793. r->p_opt[i].ri = cp->ri;
  794. r->p_opt[i].ci = cp->ci;
  795. r->p_opt[i].matchFl = cp->matchFl;
  796. r->p_opt[i].transFl = cp->transFl;
  797. }
  798. assert( i < r->pn );
  799. r->p_opt[i].code = 0; // terminate with code=0
  800. r->s_opt = score;
  801. }
  802. }
  803. void ed_print_opt( ed_r* r )
  804. {
  805. unsigned i;
  806. for(i=0; r->p_opt[i].code!=0; ++i)
  807. {
  808. ed_path* cp = r->p_opt + i;
  809. char c0 = cp->matchFl ? 'm' : ' ';
  810. char c1 = cp->transFl ? 't' : ' ';
  811. printf("%2i code:%i ri:%2i ci:%2i %c%c\n",i,cp->code,cp->ri,cp->ci,c0,c1);
  812. }
  813. printf("score:%f\n",r->s_opt);
  814. }
  815. void ed_print_candidate( ed_r* r )
  816. {
  817. ed_path* cp = r->p_cur;
  818. unsigned pn = r->pn;
  819. unsigned i;
  820. char s0[pn+1];
  821. char s1[pn+1];
  822. char s2[pn+1];
  823. char s3[pn+1];
  824. s0[pn] = 0;
  825. s1[pn] = 0;
  826. s2[pn] = 0;
  827. s3[pn] = 0;
  828. for(i=0; i<pn && cp!=NULL; ++i,cp=cp->next)
  829. {
  830. switch(cp->code)
  831. {
  832. case kEdSubIdx: // subst
  833. assert( 0 <= cp->ri && cp->ri <= r->rn );
  834. assert( 0 <= cp->ci && cp->ci <= r->cn );
  835. s0[i] = r->s0[cp->ri];
  836. s1[i] = r->s1[cp->ci];
  837. s2[i] = 's';
  838. s3[i] = cp->matchFl ? 'm' : ' ';
  839. break;
  840. case kEdDelIdx: // delete
  841. assert( 0 <= cp->ri && cp->ri <= r->rn );
  842. s0[i] = r->s0[cp->ri];
  843. s1[i] = ' ';
  844. s2[i] = 'd';
  845. s3[i] = ' ';
  846. break;
  847. case kEdInsIdx: // insert
  848. assert( 0 <= cp->ci && cp->ci <= r->cn );
  849. s0[i] = ' ';
  850. s1[i] = r->s1[cp->ci];
  851. s2[i] = 'i';
  852. s3[i] = ' ';
  853. break;
  854. }
  855. }
  856. if( i < pn )
  857. {
  858. s0[i] = 0;
  859. s1[i] = 0;
  860. s2[i] = 0;
  861. s3[i] = 0;
  862. }
  863. printf("\ns0:%s\n",s0);
  864. printf("s1:%s\n",s1);
  865. printf("s2:%s\n",s2);
  866. printf("s3:%s\n",s3);
  867. }
  868. // traverse the solution matrix from the lower-right to
  869. // the upper-left.
  870. void ed_node( ed_r* r, int i, int j )
  871. {
  872. unsigned m;
  873. // stop when the upper-right is encountered
  874. if( i==0 && j==0 )
  875. {
  876. ed_print_candidate(r);
  877. ed_eval_candidate(r, ed_score_candidate(r) );
  878. return;
  879. }
  880. ed_val* vp = r->m + i + (j*r->rn);
  881. // for each possible dir: up,left,up-left
  882. for(m=1; m<kEdCnt; ++m)
  883. if( vp->v[m] == vp->v[kEdMinIdx] )
  884. {
  885. unsigned ii = i-1;
  886. unsigned jj = j-1;
  887. switch(m)
  888. {
  889. case kEdSubIdx:
  890. break;
  891. case kEdDelIdx:
  892. jj = j;
  893. break;
  894. case kEdInsIdx:
  895. ii = i;
  896. break;
  897. }
  898. // prepend to the current candidate path: r->p_cur
  899. ed_path_push(r,m,ii,jj,vp->matchFl,vp->transFl);
  900. // recurse!
  901. ed_node(r,ii,jj);
  902. // remove the first element from the current path
  903. ed_path_pop(r);
  904. }
  905. }
  906. void ed_align( ed_r* r )
  907. {
  908. int i = r->rn-1;
  909. int j = r->cn-1;
  910. unsigned m = r->m[i + (j*r->rn)].v[kEdMinIdx];
  911. if( m==cmMax(r->rn,r->cn) )
  912. printf("Edit distance is at max: %i. No Match.\n",m);
  913. else
  914. ed_node(r,i,j);
  915. }
  916. void ed_free( ed_r* r )
  917. {
  918. cmMemFree(r->m);
  919. cmMemFree(r->p_mem);
  920. }
  921. void ed_main()
  922. {
  923. const char* s0 = "YHCQPGK";
  924. const char* s1 = "LAHYQQKPGKA";
  925. s0 = "ABCDE";
  926. s1 = "ABDCE";
  927. //s1 = "FGHIJK";
  928. ed_r r;
  929. ed_init(&r,s0,s1);
  930. ed_calc_mtx(&r);
  931. ed_print_mtx(&r);
  932. ed_align(&r);
  933. ed_print_opt(&r);
  934. ed_free(&r);
  935. }
  936. //=======================================================================================================================
  937. cmScMatch* cmScMatchAlloc( cmCtx* c, cmScMatch* p, cmScH_t scH, unsigned maxScWndN, unsigned maxMidiWndN )
  938. {
  939. cmScMatch* op = cmObjAlloc(cmScMatch,c,p);
  940. if( cmScoreIsValid(scH) )
  941. if( cmScMatchInit(op,scH,maxScWndN,maxMidiWndN) != cmOkRC )
  942. cmScMatchFree(&op);
  943. return op;
  944. }
  945. cmRC_t cmScMatchFree( cmScMatch** pp )
  946. {
  947. cmRC_t rc = cmOkRC;
  948. if( pp==NULL || *pp==NULL )
  949. return rc;
  950. cmScMatch* p = *pp;
  951. if((rc = cmScMatchFinal(p)) != cmOkRC )
  952. return rc;
  953. cmMemFree(p->loc);
  954. cmMemFree(p->m);
  955. cmMemFree(p->p_mem);
  956. cmObjFree(pp);
  957. return rc;
  958. }
  959. void _cmScMatchInitLoc( cmScMatch* p )
  960. {
  961. unsigned li,ei;
  962. p->locN = cmScoreEvtCount(p->scH);
  963. p->loc = cmMemResizeZ(cmScMatchLoc_t,p->loc,p->locN);
  964. // for each score location
  965. for(li=0,ei=0; li<cmScoreLocCount(p->scH); ++li)
  966. {
  967. unsigned i,n;
  968. const cmScoreLoc_t* lp = cmScoreLoc(p->scH,li);
  969. // count the number of note events at location li
  970. for(n=0,i=0; i<lp->evtCnt; ++i)
  971. if( lp->evtArray[i]->type == kNonEvtScId )
  972. ++n;
  973. assert( ei+n <= p->locN );
  974. // duplicate each note at location li n times
  975. for(i=0; i<n; ++i)
  976. {
  977. unsigned j,k;
  978. p->loc[ei+i].evtCnt = n;
  979. p->loc[ei+i].evtV = cmMemAllocZ(cmScMatchEvt_t,n);
  980. p->loc[ei+i].scLocIdx = li;
  981. p->loc[ei+i].barNumb = lp->barNumb;
  982. for(j=0,k=0; j<lp->evtCnt; ++j)
  983. if( lp->evtArray[j]->type == kNonEvtScId )
  984. {
  985. p->loc[ei+i].evtV[k].pitch = lp->evtArray[j]->pitch;
  986. p->loc[ei+i].evtV[k].scEvtIdx = lp->evtArray[j]->index;
  987. ++k;
  988. }
  989. }
  990. ei += n;
  991. }
  992. assert(ei<=p->locN);
  993. p->locN = ei;
  994. }
  995. cmRC_t cmScMatchInit( cmScMatch* p, cmScH_t scH, unsigned maxScWndN, unsigned maxMidiWndN )
  996. {
  997. unsigned i;
  998. cmRC_t rc;
  999. if((rc = cmScMatchFinal(p)) != cmOkRC )
  1000. return rc;
  1001. p->scH = scH;
  1002. p->mrn = maxMidiWndN + 1;
  1003. p->mcn = maxScWndN + 1;
  1004. p->mmn = maxMidiWndN;
  1005. p->msn = maxScWndN;
  1006. _cmScMatchInitLoc(p);
  1007. p->m = cmMemResizeZ(cmScMatchVal_t, p->m, p->mrn*p->mcn );
  1008. p->pn = p->mrn + p->mcn;
  1009. p->p_mem = cmMemResizeZ(cmScMatchPath_t, p->p_mem, 2*p->pn );
  1010. p->p_avl = p->p_mem;
  1011. p->p_cur = NULL;
  1012. p->p_opt = p->p_mem + p->pn;
  1013. // put pn path records on the available list
  1014. for(i=0; i<p->pn; ++i)
  1015. {
  1016. p->p_mem[i].next = i<p->pn-1 ? p->p_mem + i + 1 : NULL;
  1017. p->p_opt[i].next = i<p->pn-1 ? p->p_opt + i + 1 : NULL;
  1018. }
  1019. return rc;
  1020. }
  1021. cmRC_t cmScMatchFinal( cmScMatch* p )
  1022. {
  1023. unsigned i;
  1024. if( p != NULL )
  1025. for(i=0; i<p->locN; ++i)
  1026. cmMemPtrFree(&p->loc[i].evtV);
  1027. return cmOkRC;
  1028. }
  1029. cmRC_t _cmScMatchInitMtx( cmScMatch* p, unsigned rn, unsigned cn )
  1030. {
  1031. //if( rn >p->mrn && cn > p->mcn )
  1032. if( rn*cn > p->mrn*p->mcn )
  1033. {
  1034. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "MIDI sequence length must be less than %i. Score sequence length must be less than %i.",p->mmn,p->msn);
  1035. }
  1036. // if the size of the mtx is not changing then there is nothing to do
  1037. if( rn == p->rn && cn == p->cn )
  1038. return cmOkRC;
  1039. // update the mtx size
  1040. p->rn = rn;
  1041. p->cn = cn;
  1042. // fill in the default values for the first row
  1043. // and column of the DP matrix
  1044. unsigned i,j,k;
  1045. for(i=0; i<rn; ++i)
  1046. for(j=0; j<cn; ++j)
  1047. {
  1048. unsigned v[] = {0,0,0,0};
  1049. if( i == 0 )
  1050. {
  1051. v[kSmMinIdx] = j;
  1052. v[kSmInsIdx] = j;
  1053. }
  1054. else
  1055. if( j == 0 )
  1056. {
  1057. v[kSmMinIdx] = i;
  1058. v[kSmDelIdx] = i;
  1059. }
  1060. // zero the value field
  1061. for(k=0; k<kSmCnt; ++k)
  1062. p->m[ i + (j*rn) ].v[k] = v[k];
  1063. }
  1064. return cmOkRC;
  1065. }
  1066. cmScMatchVal_t* _cmScMatchValPtr( cmScMatch* p, unsigned i, unsigned j, unsigned rn, unsigned cn )
  1067. {
  1068. assert( i < rn && j < cn );
  1069. return p->m + i + (j*rn);
  1070. }
  1071. unsigned _cmScMatchIsMatchIndex( const cmScMatchLoc_t* loc, unsigned pitch )
  1072. {
  1073. unsigned i;
  1074. for(i=0; i<loc->evtCnt; ++i)
  1075. if( loc->evtV[i].pitch == pitch )
  1076. return i;
  1077. return cmInvalidIdx;
  1078. }
  1079. bool _cmScMatchIsMatch( const cmScMatchLoc_t* loc, unsigned pitch )
  1080. { return _cmScMatchIsMatchIndex(loc,pitch) != cmInvalidIdx; }
  1081. bool _cmScMatchIsTrans( cmScMatch* p, const cmScMatchMidi_t* midiV, const cmScMatchVal_t* v1p, unsigned bsi, unsigned i, unsigned j, unsigned rn, unsigned cn )
  1082. {
  1083. bool fl = false;
  1084. cmScMatchVal_t* v0p = _cmScMatchValPtr(p,i,j,rn,cn);
  1085. if( i>=1 && j>=1
  1086. && v1p->v[kSmMinIdx] == v1p->v[kSmSubIdx]
  1087. && cmIsNotFlag(v1p->flags,kSmMatchFl)
  1088. && v0p->v[kSmMinIdx] == v0p->v[kSmSubIdx]
  1089. && cmIsNotFlag(v0p->flags,kSmMatchFl)
  1090. )
  1091. {
  1092. unsigned c00 = midiV[i-1].pitch;
  1093. unsigned c01 = midiV[i ].pitch;
  1094. cmScMatchLoc_t* c10 = p->loc + bsi + j - 1;
  1095. cmScMatchLoc_t* c11 = p->loc + bsi + j;
  1096. fl = _cmScMatchIsMatch(c11,c00) && _cmScMatchIsMatch(c10,c01);
  1097. }
  1098. return fl;
  1099. }
  1100. unsigned _cmScMatchMin( cmScMatch* p, unsigned i, unsigned j, unsigned rn, unsigned cn )
  1101. {
  1102. return _cmScMatchValPtr(p,i,j,rn,cn)->v[kSmMinIdx];
  1103. }
  1104. // Return false if bsi + cn > p->locN
  1105. // pitchV[rn-1]
  1106. bool _cmScMatchCalcMtx( cmScMatch* p, unsigned bsi, const cmScMatchMidi_t* midiV, unsigned rn, unsigned cn )
  1107. {
  1108. // loc[begScanLocIdx:begScanLocIdx+cn-1] must be valid
  1109. if( bsi + cn > p->locN )
  1110. return false;
  1111. unsigned i,j;
  1112. for(j=1; j<cn; ++j)
  1113. for(i=1; i<rn; ++i)
  1114. {
  1115. cmScMatchLoc_t* loc = p->loc + bsi + j - 1;
  1116. unsigned pitch = midiV[i-1].pitch;
  1117. cmScMatchVal_t* vp = _cmScMatchValPtr(p,i,j,rn,cn);
  1118. unsigned idx = _cmScMatchIsMatchIndex(loc,pitch);
  1119. vp->flags = idx==cmInvalidIdx ? 0 : kSmMatchFl;
  1120. vp->scEvtIdx = idx==cmInvalidIdx ? cmInvalidIdx : loc->evtV[idx].scEvtIdx;
  1121. unsigned cost = cmIsFlag(vp->flags,kSmMatchFl) ? 0 : 1;
  1122. vp->v[kSmSubIdx] = _cmScMatchMin(p,i-1,j-1, rn, cn) + cost;
  1123. vp->v[kSmDelIdx] = _cmScMatchMin(p,i-1,j , rn, cn) + 1;
  1124. vp->v[kSmInsIdx] = _cmScMatchMin(p,i, j-1, rn, cn) + 1;
  1125. vp->v[kSmMinIdx] = cmMin( vp->v[kSmSubIdx], cmMin(vp->v[kSmDelIdx],vp->v[kSmInsIdx]));
  1126. vp->flags |= _cmScMatchIsTrans(p,midiV,vp,bsi,i-1,j-1,rn,cn) ? kSmTransFl : 0;
  1127. }
  1128. return true;
  1129. }
  1130. void _cmScMatchPrintMtx( cmScMatch* r, unsigned rn, unsigned cn)
  1131. {
  1132. unsigned i,j,k;
  1133. for(i=0; i<rn; ++i)
  1134. {
  1135. for(j=0; j<cn; ++j)
  1136. {
  1137. printf("(");
  1138. const cmScMatchVal_t* vp = _cmScMatchValPtr(r,i,j,rn,cn);
  1139. for(k=0; k<kSmCnt; ++k)
  1140. {
  1141. printf("%i",vp->v[k]);
  1142. if( k<kSmCnt-1)
  1143. printf(", ");
  1144. else
  1145. printf(" ");
  1146. }
  1147. printf("%c%c)",cmIsFlag(vp->flags,kSmMatchFl)?'m':' ',cmIsFlag(vp->flags,kSmTransFl)?'t':' ');
  1148. }
  1149. printf("\n");
  1150. }
  1151. }
  1152. void _cmScMatchPathPush( cmScMatch* r, unsigned code, unsigned ri, unsigned ci, unsigned flags, unsigned scEvtIdx )
  1153. {
  1154. assert(r->p_avl != NULL );
  1155. cmScMatchPath_t* p = r->p_avl;
  1156. r->p_avl = r->p_avl->next;
  1157. p->code = code;
  1158. p->ri = ri;
  1159. p->ci = ci;
  1160. p->flags = code==kSmSubIdx && cmIsFlag(flags,kSmMatchFl) ? kSmMatchFl : 0;
  1161. p->flags |= cmIsFlag(flags,kSmTransFl) ? kSmTransFl : 0;
  1162. p->scEvtIdx= scEvtIdx;
  1163. p->next = r->p_cur;
  1164. r->p_cur = p;
  1165. }
  1166. void _cmScMatchPathPop( cmScMatch* r )
  1167. {
  1168. assert( r->p_cur != NULL );
  1169. cmScMatchPath_t* tp = r->p_cur->next;
  1170. r->p_cur->next = r->p_avl;
  1171. r->p_avl = r->p_cur;
  1172. r->p_cur = tp;
  1173. }
  1174. double _cmScMatchCalcCandidateCost( cmScMatch* r )
  1175. {
  1176. cmScMatchPath_t* cp = r->p_cur;
  1177. cmScMatchPath_t* bp = r->p_cur;
  1178. cmScMatchPath_t* ep = NULL;
  1179. // skip leading inserts
  1180. for(; cp!=NULL; cp=cp->next)
  1181. if( cp->code != kSmInsIdx )
  1182. {
  1183. bp = cp;
  1184. break;
  1185. }
  1186. // skip to trailing inserts
  1187. for(; cp!=NULL; cp=cp->next)
  1188. if( cp->code!=kSmInsIdx )
  1189. ep = cp;
  1190. // count remaining path length
  1191. assert( ep!=NULL );
  1192. unsigned n=1;
  1193. for(cp=bp; cp!=ep; cp=cp->next)
  1194. ++n;
  1195. double gapCnt = 0;
  1196. double penalty = 0;
  1197. bool pfl = cmIsFlag(bp->flags,kSmMatchFl);
  1198. unsigned i;
  1199. cp = bp;
  1200. for(i=0; i<n; ++i,cp=cp->next)
  1201. {
  1202. // a gap is a transition from a matching subst. to an insert or deletion
  1203. //if( pc != cp->code && cp->code != kSmSubIdx && pc==kSmSubIdx && pfl==true )
  1204. if( pfl==true && cmIsFlag(cp->flags,kSmMatchFl)==false )
  1205. ++gapCnt;
  1206. //
  1207. switch( cp->code )
  1208. {
  1209. case kSmSubIdx:
  1210. penalty += cmIsFlag(cp->flags,kSmMatchFl) ? 0 : 1;
  1211. penalty -= cmIsFlag(cp->flags,kSmTransFl) ? 1 : 0;
  1212. break;
  1213. case kSmDelIdx:
  1214. penalty += 1;
  1215. break;
  1216. case kSmInsIdx:
  1217. penalty += 1;
  1218. break;
  1219. }
  1220. pfl = cmIsFlag(cp->flags,kSmMatchFl);
  1221. }
  1222. double cost = gapCnt/n + penalty;
  1223. //printf("n:%i gaps:%f gap_score:%f penalty:%f score:%f\n",n,gapCnt,gapCnt/n,penalty,score);
  1224. return cost;
  1225. }
  1226. double _cmScMatchEvalCandidate( cmScMatch* r, double min_cost, double cost )
  1227. {
  1228. if( min_cost == DBL_MAX || cost < min_cost)
  1229. {
  1230. // copy the p_cur to p_opt[]
  1231. cmScMatchPath_t* cp = r->p_cur;
  1232. unsigned i;
  1233. for(i=0; cp!=NULL && i<r->pn; cp=cp->next,++i)
  1234. {
  1235. r->p_opt[i].code = cp->code;
  1236. r->p_opt[i].ri = cp->ri;
  1237. r->p_opt[i].ci = cp->ci;
  1238. r->p_opt[i].flags = cp->flags;
  1239. r->p_opt[i].scEvtIdx= cp->scEvtIdx;
  1240. r->p_opt[i].next = cp->next==NULL ? NULL : r->p_opt + i + 1;
  1241. }
  1242. assert( i < r->pn );
  1243. r->p_opt[i].code = 0; // terminate with code=0
  1244. min_cost = cost;
  1245. }
  1246. return min_cost;
  1247. }
  1248. // NOTE: IF THE COST CALCULATION WAS BUILT INTO THE RECURSION THEN
  1249. // THIS FUNCTION COULD BE MADE MORE EFFICIENT BECAUSE PATHS WHICH
  1250. // EXCEEDED THE min_cost COULD BE SHORT CIRCUITED.
  1251. //
  1252. // traverse the solution matrix from the lower-right to
  1253. // the upper-left.
  1254. double _cmScMatchGenPaths( cmScMatch* r, int i, int j, unsigned rn, unsigned cn, double min_cost )
  1255. {
  1256. unsigned m;
  1257. // stop when the upper-right is encountered
  1258. if( i==0 && j==0 )
  1259. return _cmScMatchEvalCandidate(r, min_cost, _cmScMatchCalcCandidateCost(r) );
  1260. cmScMatchVal_t* vp = _cmScMatchValPtr(r,i,j,rn,cn);
  1261. // for each possible dir: up,left,up-left
  1262. for(m=1; m<kSmCnt; ++m)
  1263. if( vp->v[m] == vp->v[kSmMinIdx] )
  1264. {
  1265. // prepend to the current candidate path: r->p_cur
  1266. _cmScMatchPathPush(r,m,i,j,vp->flags,vp->scEvtIdx);
  1267. int ii = i-1;
  1268. int jj = j-1;
  1269. switch(m)
  1270. {
  1271. case kSmSubIdx:
  1272. break;
  1273. case kSmDelIdx:
  1274. jj = j;
  1275. break;
  1276. case kSmInsIdx:
  1277. ii = i;
  1278. break;
  1279. default:
  1280. { assert(0); }
  1281. }
  1282. // recurse!
  1283. min_cost = _cmScMatchGenPaths(r,ii,jj,rn,cn,min_cost);
  1284. // remove the first element from the current path
  1285. _cmScMatchPathPop(r);
  1286. }
  1287. return min_cost;
  1288. }
  1289. double _cmScMatchAlign( cmScMatch* p, unsigned rn, unsigned cn, double min_cost )
  1290. {
  1291. int i = rn-1;
  1292. int j = cn-1;
  1293. unsigned m = _cmScMatchMin(p,i,j,rn,cn);
  1294. if( m==cmMax(rn,cn) )
  1295. printf("Edit distance is at max: %i. No Match.\n",m);
  1296. else
  1297. min_cost = _cmScMatchGenPaths(p,i,j,rn,cn,min_cost);
  1298. return min_cost;
  1299. }
  1300. cmRC_t cmScMatchExec( cmScMatch* p, unsigned locIdx, unsigned locN, const cmScMatchMidi_t* midiV, unsigned midiN, double min_cost )
  1301. {
  1302. cmRC_t rc;
  1303. unsigned rn = midiN + 1;
  1304. unsigned cn = locN + 1;
  1305. // set the DP matrix default values
  1306. if((rc = _cmScMatchInitMtx(p, rn, cn )) != cmOkRC )
  1307. return rc;
  1308. // _cmScMatchCalcMtx() returns false if the score window exceeds the length of the score
  1309. if(!_cmScMatchCalcMtx(p,locIdx, midiV, rn, cn) )
  1310. return cmEofRC;
  1311. //_cmScMatchPrintMtx(p,rn,cn);
  1312. // locate the path through the DP matrix with the lowest edit distance (cost)
  1313. p->opt_cost = _cmScMatchAlign(p, rn, cn, min_cost);
  1314. return rc;
  1315. }
  1316. // Traverse the least cost path and:
  1317. // 1) Return, esi, the score location index of the last MIDI note
  1318. // which has a positive match with the score and assign
  1319. // the internal score index to cp->locIdx.
  1320. //
  1321. // 2) Set cmScAlignPath_t.locIdx - index into p->loc[] associated
  1322. // with each path element that is a 'substitute' or an 'insert'.
  1323. //
  1324. // 3) Set *missCnPtr: the count of trailing non-positive matches.
  1325. //
  1326. // i_opt is index into p->loc[] of p->p_opt.
  1327. unsigned cmScMatchDoSync( cmScMatch* p, unsigned i_opt, cmScMatchMidi_t* midiBuf, unsigned midiN, unsigned* missCntPtr )
  1328. {
  1329. cmScMatchPath_t* cp = p->p_opt;
  1330. unsigned missCnt = 0;
  1331. unsigned esi = cmInvalidIdx;
  1332. unsigned i;
  1333. for(i=0; cp!=NULL; cp=cp->next)
  1334. {
  1335. // there is no MIDI note associated with 'inserts'
  1336. if( cp->code != kSmInsIdx )
  1337. {
  1338. assert( cp->ri > 0 );
  1339. midiBuf[ cp->ri-1 ].locIdx = cmInvalidIdx;
  1340. }
  1341. switch( cp->code )
  1342. {
  1343. case kSmSubIdx:
  1344. midiBuf[ cp->ri-1 ].locIdx = i_opt + i;
  1345. midiBuf[ cp->ri-1 ].scEvtIdx = cp->scEvtIdx;
  1346. if( cmIsFlag(cp->flags,kSmMatchFl) )
  1347. {
  1348. esi = i_opt + i;
  1349. missCnt = 0;
  1350. }
  1351. else
  1352. {
  1353. ++missCnt;
  1354. }
  1355. // fall through
  1356. case kSmInsIdx:
  1357. cp->locIdx = i_opt + i;
  1358. ++i;
  1359. break;
  1360. case kSmDelIdx:
  1361. cp->locIdx = cmInvalidIdx;
  1362. ++missCnt;
  1363. break;
  1364. }
  1365. }
  1366. if( missCntPtr != NULL )
  1367. *missCntPtr = missCnt;
  1368. return esi;
  1369. }
  1370. void _cmScMatchMidiEvtFlags( cmScMatch* p, const cmScMatchLoc_t* lp, unsigned evtIdx, char* s, unsigned sn )
  1371. {
  1372. const cmScoreLoc_t* slp = cmScoreLoc(p->scH,lp->scLocIdx);
  1373. assert( evtIdx < slp->evtCnt );
  1374. const cmScoreEvt_t* ep = slp->evtArray[evtIdx];
  1375. unsigned i = 0;
  1376. s[0] = 0;
  1377. if( cmIsFlag(ep->flags,kEvenScFl) )
  1378. s[i++] = 'e';
  1379. if( cmIsFlag(ep->flags,kTempoScFl) )
  1380. s[i++] = 't';
  1381. if( cmIsFlag(ep->flags,kDynScFl) )
  1382. s[i++] = 'd';
  1383. if( cmIsFlag(ep->flags,kGraceScFl) )
  1384. s[i++] = 'g';
  1385. s[i++] = 0;
  1386. assert( i <= sn );
  1387. }
  1388. void _cmScMatchPrintPath( cmScMatch* p, cmScMatchPath_t* cp, unsigned bsi, const cmScMatchMidi_t* midiV )
  1389. {
  1390. assert( bsi != cmInvalidIdx );
  1391. cmScMatchPath_t* pp = cp;
  1392. int polyN = 0;
  1393. int i;
  1394. printf("loc: ");
  1395. // get the polyphony count for the score window
  1396. for(i=0; pp!=NULL; pp=pp->next)
  1397. {
  1398. cmScMatchLoc_t* lp = p->loc + bsi + pp->ci;
  1399. if( pp->code!=kSmDelIdx )
  1400. {
  1401. if(lp->evtCnt > polyN)
  1402. polyN = lp->evtCnt;
  1403. printf("%4i%4s ",bsi+i," ");
  1404. ++i;
  1405. }
  1406. else
  1407. printf("%4s%4s "," "," ");
  1408. }
  1409. printf("\n");
  1410. // print the score notes
  1411. for(i=polyN; i>0; --i)
  1412. {
  1413. printf("%3i: ",i);
  1414. for(pp=cp; pp!=NULL; pp=pp->next)
  1415. {
  1416. if( pp->code!=kSmDelIdx )
  1417. {
  1418. int locIdx = bsi + pp->ci - 1;
  1419. assert(0 <= locIdx && locIdx <= p->locN);
  1420. cmScMatchLoc_t* lp = p->loc + locIdx;
  1421. if( lp->evtCnt >= i )
  1422. {
  1423. unsigned sn = 6;
  1424. char s[sn];
  1425. _cmScMatchMidiEvtFlags(p,lp,i-1,s,sn );
  1426. printf("%4s%-4s ",cmMidiToSciPitch(lp->evtV[i-1].pitch,NULL,0),s);
  1427. }
  1428. else
  1429. printf("%4s%4s "," "," ");
  1430. }
  1431. else
  1432. printf("%4s%4s ", (pp->code==kSmDelIdx? "-" : " ")," ");
  1433. /*
  1434. int locIdx = bsi + pp->ci - 1;
  1435. assert(0 <= locIdx && locIdx <= p->locN);
  1436. cmScMatchLoc_t* lp = p->loc + locIdx;
  1437. if( pp->code!=kSmDelIdx && lp->evtCnt >= i )
  1438. printf("%4s ",cmMidiToSciPitch(lp->evtV[i-1].pitch,NULL,0));
  1439. else
  1440. printf("%4s ", pp->code==kSmDelIdx? "-" : " ");
  1441. */
  1442. }
  1443. printf("\n");
  1444. }
  1445. printf("mid: ");
  1446. // print the MIDI buffer
  1447. for(pp=cp; pp!=NULL; pp=pp->next)
  1448. {
  1449. if( pp->code!=kSmInsIdx )
  1450. printf("%4s%4s ",cmMidiToSciPitch(midiV[pp->ri-1].pitch,NULL,0)," ");
  1451. else
  1452. printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
  1453. }
  1454. printf("\nvel: ");
  1455. // print the MIDI velocity
  1456. for(pp=cp; pp!=NULL; pp=pp->next)
  1457. {
  1458. if( pp->code!=kSmInsIdx )
  1459. printf("%4i%4s ",midiV[pp->ri-1].vel," ");
  1460. else
  1461. printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
  1462. }
  1463. printf("\nmni: ");
  1464. // print the MIDI buffer index (mni)
  1465. for(pp=cp; pp!=NULL; pp=pp->next)
  1466. {
  1467. if( pp->code!=kSmInsIdx )
  1468. printf("%4i%4s ",midiV[pp->ri-1].mni," ");
  1469. else
  1470. printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
  1471. }
  1472. printf("\n op: ");
  1473. // print the substitute/insert/delete operation
  1474. for(pp=cp; pp!=NULL; pp=pp->next)
  1475. {
  1476. char c = ' ';
  1477. switch( pp->code )
  1478. {
  1479. case kSmSubIdx: c = 's'; break;
  1480. case kSmDelIdx: c = 'd'; break;
  1481. case kSmInsIdx: c = 'i'; break;
  1482. default:
  1483. { assert(0); }
  1484. }
  1485. printf("%4c%4s ",c," ");
  1486. }
  1487. printf("\n ");
  1488. // give substitute attribute (match or transpose)
  1489. for(pp=cp; pp!=NULL; pp=pp->next)
  1490. {
  1491. cmChar_t s[3];
  1492. int k = 0;
  1493. if( cmIsFlag(pp->flags,kSmMatchFl) )
  1494. s[k++] = 'm';
  1495. if( cmIsFlag(pp->flags,kSmTransFl) )
  1496. s[k++] = 't';
  1497. s[k] = 0;
  1498. printf("%4s%4s ",s," ");
  1499. }
  1500. printf("\nscl: ");
  1501. // print the stored location index
  1502. for(pp=cp; pp!=NULL; pp=pp->next)
  1503. {
  1504. if( pp->locIdx == cmInvalidIdx )
  1505. printf("%4s%4s "," "," ");
  1506. else
  1507. printf("%4i%4s ",p->loc[pp->locIdx].scLocIdx," ");
  1508. }
  1509. printf("\nbar: ");
  1510. // print the stored location index
  1511. for(pp=cp; pp!=NULL; pp=pp->next)
  1512. {
  1513. if( pp->locIdx==cmInvalidIdx || pp->scEvtIdx==cmInvalidIdx )
  1514. printf("%4s%4s "," "," ");
  1515. else
  1516. {
  1517. const cmScoreEvt_t* ep = cmScoreEvt(p->scH, pp->scEvtIdx );
  1518. printf("%4i%4s ",ep->barNumb," ");
  1519. }
  1520. }
  1521. printf("\nsec: ");
  1522. // print seconds
  1523. unsigned begSmpIdx = cmInvalidIdx;
  1524. for(pp=cp; pp!=NULL; pp=pp->next)
  1525. {
  1526. if( pp->code!=kSmInsIdx )
  1527. {
  1528. if( begSmpIdx == cmInvalidIdx )
  1529. begSmpIdx = midiV[pp->ri-1].smpIdx;
  1530. printf("%2.2f%4s ", (double)(midiV[pp->ri-1].smpIdx - begSmpIdx)/96000.0," ");
  1531. }
  1532. else
  1533. printf("%4s%4s ",pp->code==kSmInsIdx?"-":" "," ");
  1534. }
  1535. printf("\n\n");
  1536. }
  1537. //=======================================================================================================================
  1538. cmScMatcher* cmScMatcherAlloc( cmCtx* c, cmScMatcher* p, double srate, cmScH_t scH, unsigned scWndN, unsigned midiWndN, cmScMatcherCb_t cbFunc, void* cbArg )
  1539. {
  1540. cmScMatcher* op = cmObjAlloc(cmScMatcher,c,p);
  1541. if( op != NULL )
  1542. op->mp = cmScMatchAlloc(c,NULL,cmScNullHandle,0,0);
  1543. if( srate != 0 )
  1544. {
  1545. if( cmScMatcherInit(op,srate,scH,scWndN,midiWndN,cbFunc,cbArg) != cmOkRC )
  1546. cmScMatcherFree(&op);
  1547. }
  1548. return op;
  1549. }
  1550. cmRC_t cmScMatcherFree( cmScMatcher** pp )
  1551. {
  1552. cmRC_t rc = cmOkRC;
  1553. if( pp==NULL || *pp==NULL )
  1554. return rc;
  1555. cmScMatcher* p = *pp;
  1556. if((rc = cmScMatcherFinal(p)) != cmOkRC )
  1557. return rc;
  1558. cmScMatchFree(&p->mp);
  1559. cmMemFree(p->midiBuf);
  1560. cmMemFree(p->res);
  1561. cmObjFree(pp);
  1562. return rc;
  1563. }
  1564. cmRC_t cmScMatcherInit( cmScMatcher* p, double srate, cmScH_t scH, unsigned scWndN, unsigned midiWndN, cmScMatcherCb_t cbFunc, void* cbArg )
  1565. {
  1566. cmRC_t rc;
  1567. if((rc = cmScMatcherFinal(p)) != cmOkRC )
  1568. return rc;
  1569. if( midiWndN > scWndN )
  1570. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The score alignment MIDI event buffer length (%i) must be less than the score window length (%i).",midiWndN,scWndN);
  1571. if(( rc = cmScMatchInit(p->mp,scH,scWndN,midiWndN)) != cmOkRC )
  1572. return rc;
  1573. p->cbFunc = cbFunc;
  1574. p->cbArg = cbArg;
  1575. p->mn = midiWndN;
  1576. p->midiBuf = cmMemResizeZ(cmScMatchMidi_t,p->midiBuf,p->mn);
  1577. p->initHopCnt = 50;
  1578. p->stepCnt = 3;
  1579. p->maxMissCnt = p->stepCnt+1;
  1580. p->rn = 2 * cmScoreEvtCount(scH);
  1581. p->res = cmMemResizeZ(cmScMatcherResult_t,p->res,p->rn);
  1582. p->printFl = false;
  1583. cmScMatcherReset(p,0);
  1584. return rc;
  1585. }
  1586. cmRC_t cmScMatcherFinal( cmScMatcher* p )
  1587. {
  1588. return cmScMatchFinal(p->mp);
  1589. }
  1590. cmRC_t cmScMatcherReset( cmScMatcher* p, unsigned scLocIdx )
  1591. {
  1592. p->mbi = p->mp->mmn;
  1593. p->mni = 0;
  1594. p->begSyncLocIdx = cmInvalidIdx;
  1595. p->s_opt = DBL_MAX;
  1596. p->missCnt = 0;
  1597. p->scanCnt = 0;
  1598. p->ri = 0;
  1599. p->eli = cmInvalidIdx;
  1600. p->ili = 0;
  1601. // convert scLocIdx to an index into p->mp->loc[]
  1602. unsigned i = 0;
  1603. while(1)
  1604. {
  1605. for(i=0; i<p->mp->locN; ++i)
  1606. if( p->mp->loc[i].scLocIdx == scLocIdx )
  1607. {
  1608. p->ili = i;
  1609. break;
  1610. }
  1611. assert(p->mp->locN>0);
  1612. if( i!=p->mp->locN || scLocIdx==p->mp->loc[p->mp->locN-1].scLocIdx)
  1613. break;
  1614. scLocIdx += 1;
  1615. }
  1616. if( i==p->mp->locN)
  1617. return cmCtxRtCondition( &p->obj, cmSubSysFailRC, "Score matcher reset failed.");
  1618. return cmOkRC;
  1619. }
  1620. bool cmScMatcherInputMidi( cmScMatcher* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 )
  1621. {
  1622. if( (status&0xf0) != kNoteOnMdId)
  1623. return false;
  1624. if( d1 == 0 )
  1625. return false;
  1626. unsigned mi = p->mn-1;
  1627. //printf("%3i %4s\n",p->mni,cmMidiToSciPitch(d0,NULL,0));
  1628. // shift the new MIDI event onto the end of the MIDI buffer
  1629. memmove(p->midiBuf, p->midiBuf+1, sizeof(cmScMatchMidi_t)*mi);
  1630. p->midiBuf[mi].locIdx = cmInvalidIdx;
  1631. p->midiBuf[mi].scEvtIdx = cmInvalidIdx;
  1632. p->midiBuf[mi].mni = p->mni++;
  1633. p->midiBuf[mi].smpIdx = smpIdx;
  1634. p->midiBuf[mi].pitch = d0;
  1635. p->midiBuf[mi].vel = d1;
  1636. if( p->mbi > 0 )
  1637. --p->mbi;
  1638. return true;
  1639. }
  1640. void _cmScMatcherStoreResult( cmScMatcher* p, unsigned locIdx, unsigned scEvtIdx, unsigned flags, const cmScMatchMidi_t* mp )
  1641. {
  1642. // don't store missed score note results
  1643. assert( mp != NULL );
  1644. bool matchFl = cmIsFlag(flags,kSmMatchFl);
  1645. bool tpFl = locIdx!=cmInvalidIdx && matchFl;
  1646. bool fpFl = locIdx==cmInvalidIdx || matchFl==false;
  1647. cmScMatcherResult_t * rp = NULL;
  1648. unsigned i;
  1649. cmScMatcherResult_t r;
  1650. assert( tpFl==false || (tpFl==true && locIdx != cmInvalidIdx ) );
  1651. // it is possible that the same MIDI event is reported more than once
  1652. // (due to step->scan back tracking) - try to find previous result records
  1653. // associated with this MIDI event
  1654. for(i=0; i<p->ri; ++i)
  1655. if( p->res[i].mni == mp->mni )
  1656. {
  1657. // if this is not the first time this note was reported and it is a true positive
  1658. if( tpFl )
  1659. {
  1660. rp = p->res + i;
  1661. break;
  1662. }
  1663. // a match was found but this was not a true-pos so ignore it
  1664. return;
  1665. }
  1666. if( rp == NULL )
  1667. {
  1668. if( p->ri >= p->rn )
  1669. {
  1670. rp = &r;
  1671. memset(rp,0,sizeof(r));
  1672. }
  1673. else
  1674. {
  1675. rp = p->res + p->ri;
  1676. ++p->ri;
  1677. }
  1678. }
  1679. rp->locIdx = locIdx;
  1680. rp->scEvtIdx = scEvtIdx;
  1681. rp->mni = mp->mni;
  1682. rp->smpIdx = mp->smpIdx;
  1683. rp->pitch = mp->pitch;
  1684. rp->vel = mp->vel;
  1685. rp->flags = flags | (tpFl ? kSmTruePosFl : 0) | (fpFl ? kSmFalsePosFl : 0);
  1686. if( p->cbFunc != NULL )
  1687. p->cbFunc(p,p->cbArg,rp);
  1688. }
  1689. void cmScMatcherPrintPath( cmScMatcher* p )
  1690. {
  1691. _cmScMatchPrintPath(p->mp, p->mp->p_opt, p->begSyncLocIdx, p->midiBuf );
  1692. }
  1693. unsigned cmScMatcherScan( cmScMatcher* p, unsigned bli, unsigned hopCnt )
  1694. {
  1695. assert( p->mp != NULL && p->mp->mmn > 0 );
  1696. unsigned i_opt = cmInvalidIdx;
  1697. double s_opt = DBL_MAX;
  1698. cmRC_t rc = cmOkRC;
  1699. unsigned i;
  1700. // initialize the internal values set by this function
  1701. p->missCnt = 0;
  1702. p->eli = cmInvalidIdx;
  1703. p->s_opt = DBL_MAX;
  1704. // if the MIDI buf is not full
  1705. if( p->mbi != 0 )
  1706. return cmInvalidIdx;
  1707. // calc the edit distance from pitchV[] to a sliding score window
  1708. for(i=0; rc==cmOkRC && (hopCnt==cmInvalidCnt || i<hopCnt); ++i)
  1709. {
  1710. rc = cmScMatchExec(p->mp, bli + i, p->mp->msn, p->midiBuf, p->mp->mmn, s_opt );
  1711. switch(rc)
  1712. {
  1713. case cmOkRC: // normal result
  1714. if( p->mp->opt_cost < s_opt )
  1715. {
  1716. s_opt = p->mp->opt_cost;
  1717. i_opt = bli + i;
  1718. }
  1719. break;
  1720. case cmEofRC: // score window encountered the end of the score
  1721. break;
  1722. default: // error state
  1723. return cmInvalidIdx;
  1724. }
  1725. }
  1726. // store the cost assoc'd with i_opt
  1727. p->s_opt = s_opt;
  1728. if( i_opt == cmInvalidIdx )
  1729. return cmInvalidIdx;
  1730. // set the locIdx field in midiBuf[], trailing miss count and
  1731. // return the latest positive-match locIdx
  1732. p->eli = cmScMatchDoSync(p->mp,i_opt,p->midiBuf,p->mp->mmn,&p->missCnt);
  1733. // if no positive matches were found
  1734. if( p->eli == cmInvalidIdx )
  1735. i_opt = cmInvalidIdx;
  1736. else
  1737. {
  1738. cmScMatchPath_t* cp;
  1739. // record result
  1740. for(cp=p->mp->p_opt; cp!=NULL; cp=cp->next)
  1741. if( cp->code != kSmInsIdx )
  1742. _cmScMatcherStoreResult(p, cp->locIdx, cp->scEvtIdx, cp->flags, p->midiBuf + cp->ri - 1);
  1743. }
  1744. return i_opt;
  1745. }
  1746. cmRC_t cmScMatcherStep( cmScMatcher* p )
  1747. {
  1748. int i;
  1749. unsigned pitch = p->midiBuf[ p->mn-1 ].pitch;
  1750. unsigned locIdx = cmInvalidIdx;
  1751. unsigned pidx = cmInvalidIdx;
  1752. // the tracker must be sync'd to step
  1753. if( p->eli == cmInvalidIdx )
  1754. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The p->eli value must be valid to perform a step operation.");
  1755. // if the end of the score has been reached
  1756. if( p->eli + 1 >= p->mp->locN )
  1757. return cmEofRC;
  1758. // attempt to match to next location first
  1759. if( (pidx = _cmScMatchIsMatchIndex(p->mp->loc + p->eli + 1, pitch)) != cmInvalidIdx )
  1760. {
  1761. locIdx = p->eli + 1;
  1762. }
  1763. else
  1764. {
  1765. //
  1766. for(i=2; i<p->stepCnt; ++i)
  1767. {
  1768. // go forward
  1769. if( p->eli+i < p->mp->locN && (pidx=_cmScMatchIsMatchIndex(p->mp->loc + p->eli + i, pitch))!=cmInvalidIdx )
  1770. {
  1771. locIdx = p->eli + i;
  1772. break;
  1773. }
  1774. // go backward
  1775. if( p->eli >= (i-1) && (pidx=_cmScMatchIsMatchIndex(p->mp->loc + p->eli - (i-1), pitch))!=cmInvalidIdx )
  1776. {
  1777. locIdx = p->eli - (i-1);
  1778. break;
  1779. }
  1780. }
  1781. }
  1782. unsigned scEvtIdx = locIdx==cmInvalidIdx ? cmInvalidIdx : p->mp->loc[locIdx].evtV[pidx].scEvtIdx;
  1783. p->midiBuf[ p->mn-1 ].locIdx = locIdx;
  1784. p->midiBuf[ p->mn-1 ].scEvtIdx = scEvtIdx;
  1785. if( locIdx == cmInvalidIdx )
  1786. ++p->missCnt;
  1787. else
  1788. {
  1789. p->missCnt = 0;
  1790. p->eli = locIdx;
  1791. }
  1792. // store the result
  1793. _cmScMatcherStoreResult(p, locIdx, scEvtIdx, locIdx!=cmInvalidIdx ? kSmMatchFl : 0, p->midiBuf + p->mn - 1);
  1794. if( p->missCnt >= p->maxMissCnt )
  1795. {
  1796. unsigned begScanLocIdx = p->eli > p->mn ? p->eli - p->mn : 0;
  1797. p->s_opt = DBL_MAX;
  1798. unsigned bli = cmScMatcherScan(p,begScanLocIdx,p->mn*2);
  1799. ++p->scanCnt;
  1800. // if the scan failed find a match
  1801. if( bli == cmInvalidIdx )
  1802. return cmCtxRtCondition( &p->obj, cmSubSysFailRC, "Scan resync. failed.");
  1803. }
  1804. return cmOkRC;
  1805. }
  1806. cmRC_t cmScMatcherExec( cmScMatcher* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1, unsigned* scLocIdxPtr )
  1807. {
  1808. bool fl = p->mbi > 0;
  1809. cmRC_t rc = cmOkRC;
  1810. unsigned org_eli = p->eli;
  1811. if( scLocIdxPtr != NULL )
  1812. *scLocIdxPtr = cmInvalidIdx;
  1813. // update the MIDI buffer with the incoming note
  1814. if( cmScMatcherInputMidi(p,smpIdx,status,d0,d1) == false )
  1815. return rc;
  1816. // if the MIDI buffer transitioned to full then perform an initial scan sync.
  1817. if( fl && p->mbi == 0 )
  1818. {
  1819. if( (p->begSyncLocIdx = cmScMatcherScan(p,p->ili,p->initHopCnt)) == cmInvalidIdx )
  1820. {
  1821. rc = cmInvalidArgRC; // signal init. scan sync. fail
  1822. }
  1823. else
  1824. {
  1825. //cmScMatcherPrintPath(p);
  1826. }
  1827. }
  1828. else
  1829. {
  1830. // if the MIDI buffer is full then perform a step sync.
  1831. if( !fl && p->mbi == 0 )
  1832. rc = cmScMatcherStep(p);
  1833. }
  1834. // if we lost sync
  1835. if( p->eli == cmInvalidIdx )
  1836. {
  1837. // IF WE LOST SYNC THEN WE BETTER DO SOMETHING - LIKE INCREASE THE SCAN HOPS
  1838. // ON THE NEXT EVENT.
  1839. p->eli = org_eli;
  1840. }
  1841. else
  1842. {
  1843. if( scLocIdxPtr!=NULL && p->eli != org_eli )
  1844. {
  1845. //printf("LOC:%i bar:%i\n",p->eli,p->mp->loc[p->eli].barNumb);
  1846. *scLocIdxPtr = p->mp->loc[p->eli].scLocIdx;
  1847. }
  1848. }
  1849. return rc;
  1850. }
  1851. double cmScMatcherFMeas( cmScMatcher* p )
  1852. {
  1853. unsigned bli = p->mp->locN;
  1854. unsigned eli = 0;
  1855. unsigned scNoteCnt = 0; // total count of score notes
  1856. unsigned matchCnt = 0; // count of matched notes (true positives)
  1857. unsigned wrongCnt = 0; // count of incorrect notes (false positives)
  1858. unsigned missCnt = 0; // count of missed score notes (false negatives)
  1859. unsigned i;
  1860. for(i=0; i<p->ri; ++i)
  1861. if( p->res[i].locIdx != cmInvalidIdx )
  1862. {
  1863. bli = cmMin(bli,p->res[i].locIdx);
  1864. eli = cmMax(eli,p->res[i].locIdx);
  1865. if( cmIsFlag(p->res[i].flags,kSmTruePosFl) )
  1866. ++matchCnt;
  1867. if( cmIsFlag(p->res[i].flags,kSmFalsePosFl) )
  1868. ++wrongCnt;
  1869. }
  1870. scNoteCnt = eli - bli + 1;
  1871. missCnt = scNoteCnt - matchCnt;
  1872. double prec = (double)2.0 * matchCnt / (matchCnt + wrongCnt);
  1873. double rcal = (double)2.0 * matchCnt / (matchCnt + missCnt);
  1874. double fmeas = prec * rcal / (prec + rcal);
  1875. //printf("total:%i match:%i wrong:%i miss:%i\n",scNoteCnt,matchCnt,wrongCnt,missCnt);
  1876. return fmeas;
  1877. }
  1878. typedef struct cmScMatcherPrint_str
  1879. {
  1880. unsigned flags;
  1881. unsigned scLocIdx;
  1882. unsigned mni;
  1883. unsigned pitch;
  1884. unsigned vel;
  1885. unsigned barNumb;
  1886. } cmScMatcherPrint_t;
  1887. void _cmScMatcherInsertPrint(cmScMatcherPrint_t* a, unsigned i, unsigned* anp, unsigned aan, const cmScMatcherResult_t* rp, unsigned scLocIdx )
  1888. {
  1889. assert( *anp + 1 <= aan );
  1890. memmove(a + i + 1, a + i, (*anp-i)*sizeof(cmScMatcherPrint_t));
  1891. memset( a + i, 0, sizeof(cmScMatcherPrint_t));
  1892. *anp += 1;
  1893. a[i].flags = rp->flags;
  1894. a[i].scLocIdx = scLocIdx;
  1895. a[i].mni = rp->mni;
  1896. a[i].pitch = rp->pitch;
  1897. a[i].vel = rp->vel;
  1898. }
  1899. void cmScMatcherPrint( cmScMatcher* p )
  1900. {
  1901. unsigned bsli = cmScoreEvtCount(p->mp->scH);
  1902. unsigned esli = 0;
  1903. unsigned i,j,k;
  1904. // get first/last scLocIdx from res[]
  1905. for(i=0; i<p->ri; ++i)
  1906. if( p->res[i].locIdx != cmInvalidIdx )
  1907. {
  1908. bsli = cmMin(bsli,p->mp->loc[p->res[i].locIdx].scLocIdx);
  1909. esli = cmMax(esli,p->mp->loc[p->res[i].locIdx].scLocIdx);
  1910. }
  1911. unsigned an = 0;
  1912. unsigned aan = p->ri;
  1913. // calc the count of score events between bsli and esli.
  1914. for(i=bsli; i<=esli; ++i)
  1915. {
  1916. cmScoreLoc_t* lp = cmScoreLoc(p->mp->scH, i);
  1917. assert(lp != NULL);
  1918. aan += lp->evtCnt;
  1919. }
  1920. // allocate an array off 'aan' print records
  1921. cmScMatcherPrint_t* a = cmMemAllocZ(cmScMatcherPrint_t,aan);
  1922. // fill a[] note and bar events from cmScoreLoc()
  1923. for(i=bsli; i<=esli; ++i)
  1924. {
  1925. unsigned scLocIdx = i;
  1926. cmScoreLoc_t* lp = cmScoreLoc(p->mp->scH, scLocIdx );
  1927. for(j=0; j<lp->evtCnt; ++j)
  1928. {
  1929. assert( an < aan );
  1930. cmScoreEvt_t* ep = lp->evtArray[j];
  1931. cmScMatcherPrint_t* pp = a + an;
  1932. an += 1;
  1933. switch( ep->type )
  1934. {
  1935. case kBarEvtScId:
  1936. pp->flags = kSmBarFl;
  1937. break;
  1938. case kNonEvtScId:
  1939. pp->flags = kSmNoteFl;
  1940. break;
  1941. }
  1942. pp->scLocIdx = scLocIdx;
  1943. pp->mni = cmInvalidIdx;
  1944. pp->pitch = ep->pitch;
  1945. pp->vel = kInvalidMidiVelocity;
  1946. pp->barNumb = ep->barNumb;
  1947. }
  1948. }
  1949. // for each result record
  1950. for(i=0; i<p->ri; ++i)
  1951. {
  1952. cmScMatcherResult_t* rp = p->res + i;
  1953. // if this result recd matched a score event
  1954. if( cmIsFlag(rp->flags,kSmTruePosFl) )
  1955. {
  1956. // locate the matching score event
  1957. for(k=0; k<an; ++k)
  1958. if( a[k].scLocIdx==p->mp->loc[rp->locIdx].scLocIdx && a[k].pitch==rp->pitch )
  1959. {
  1960. a[k].mni = rp->mni;
  1961. a[k].vel = rp->vel;
  1962. a[k].flags |= kSmMatchFl;
  1963. break;
  1964. }
  1965. }
  1966. // if this result did not match a score event
  1967. if( cmIsFlag(rp->flags,kSmFalsePosFl) )
  1968. {
  1969. unsigned d_min = 0;
  1970. cmScMatcherPrint_t* dp = NULL;
  1971. unsigned scLocIdx = cmInvalidIdx;
  1972. // if this result does not have a valid locIdx
  1973. // (e.g. errant MIDI notes: scan:'delete' note or a step:mis-match note)
  1974. if( rp->locIdx == cmInvalidIdx )
  1975. {
  1976. // find the print recd with the closet 'mni'
  1977. for(k=0; k<an; ++k)
  1978. if( a[k].mni != cmInvalidIdx )
  1979. {
  1980. unsigned d;
  1981. if( a[k].mni > rp->mni )
  1982. d = a[k].mni - rp->mni;
  1983. else
  1984. d = rp->mni - a[k].mni;
  1985. if( dp==NULL || d < d_min )
  1986. {
  1987. dp = a + k;
  1988. d_min = d;
  1989. }
  1990. }
  1991. k = dp - a;
  1992. assert( k < an );
  1993. scLocIdx = p->mp->loc[k].scLocIdx;
  1994. if( a[k].mni < rp->mni )
  1995. ++k;
  1996. }
  1997. else // result w/ a valid locIdx (e.g. scan 'substitute' with no match)
  1998. {
  1999. scLocIdx = p->mp->loc[rp->locIdx].scLocIdx;
  2000. // find the print recd with the closest scIdx
  2001. for(k=0; k<an; ++k)
  2002. if( a[k].scLocIdx != cmInvalidIdx )
  2003. {
  2004. unsigned d;
  2005. if( a[k].scLocIdx > scLocIdx )
  2006. d = a[k].scLocIdx - scLocIdx;
  2007. else
  2008. d = scLocIdx - a[k].scLocIdx;
  2009. if( dp==NULL || d < d_min )
  2010. {
  2011. dp = a + k;
  2012. d_min = d;
  2013. }
  2014. }
  2015. k = dp - a;
  2016. assert( k < an );
  2017. if( a[k].scLocIdx < scLocIdx )
  2018. ++k;
  2019. }
  2020. // create a new print recd to represent the false-positive result recd
  2021. assert( dp != NULL );
  2022. _cmScMatcherInsertPrint(a, k, &an,aan,rp,scLocIdx);
  2023. }
  2024. }
  2025. for(i=0; i<an; ++i)
  2026. {
  2027. printf("%4i %4i %4i %4s %c%c%c\n",a[i].scLocIdx,a[i].barNumb,a[i].mni,
  2028. cmIsFlag(a[i].flags,kSmBarFl) ? "|" : cmMidiToSciPitch(a[i].pitch,NULL,0),
  2029. cmIsFlag(a[i].flags,kSmNoteFl) ? 'n' : ' ',
  2030. cmIsFlag(a[i].flags,kSmMatchFl) ? 'm' : (cmIsFlag(a[i].flags,kSmTransFl) ? 't' : ' '),
  2031. cmIsFlag(a[i].flags,kSmFalsePosFl) ? '*' : ' '
  2032. );
  2033. }
  2034. cmMemFree(a);
  2035. }
  2036. //=======================================================================================================================
  2037. cmScMeas* cmScMeasAlloc( cmCtx* c, cmScMeas* p, cmScH_t scH, double srate, const unsigned* dynRefArray, unsigned dynRefCnt )
  2038. {
  2039. cmScMeas* op = cmObjAlloc(cmScMeas,c,p);
  2040. op->mp = cmScMatchAlloc( c, NULL, cmScNullHandle, 0, 0 );
  2041. if( cmScoreIsValid(scH) )
  2042. if( cmScMeasInit(op,scH,srate,dynRefArray,dynRefCnt) != cmOkRC )
  2043. cmScMeasFree(&op);
  2044. return op;
  2045. }
  2046. cmRC_t cmScMeasFree( cmScMeas** pp )
  2047. {
  2048. cmRC_t rc = cmOkRC;
  2049. if( pp==NULL || *pp==NULL )
  2050. return rc;
  2051. cmScMeas* p = *pp;
  2052. if((rc = cmScMeasFinal(p)) != cmOkRC )
  2053. return rc;
  2054. cmScMatchFree(&p->mp);
  2055. cmMemFree(p->midiBuf);
  2056. cmMemFree(p->set);
  2057. cmMemFree(p->dynRef);
  2058. cmObjFree(pp);
  2059. return rc;
  2060. }
  2061. void _cmScMeasPrint( cmScMeas* p )
  2062. {
  2063. unsigned i;
  2064. for(i=0; i<p->sn; ++i)
  2065. {
  2066. cmScMeasSet_t* sp = p->set + i;
  2067. printf("%4i: sli:%4i %4i li:%4i %4i\n", i, sp->bsli, sp->esli, sp->bli, sp->eli );
  2068. }
  2069. }
  2070. int _cmScMeasSortFunc( const void* p0, const void* p1 )
  2071. {
  2072. const cmScMeasSet_t* s0 = (const cmScMeasSet_t*)p0;
  2073. const cmScMeasSet_t* s1 = (const cmScMeasSet_t*)p1;
  2074. return s0->esli - s1->esli;
  2075. }
  2076. cmRC_t cmScMeasInit( cmScMeas* p, cmScH_t scH, double srate, const unsigned* dynRefArray, unsigned dynRefCnt )
  2077. {
  2078. cmRC_t rc;
  2079. unsigned i,j;
  2080. unsigned si;
  2081. unsigned maxScWndN = 0;
  2082. if((rc = cmScMeasFinal(p)) != cmOkRC )
  2083. return rc;
  2084. p->mii = 0;
  2085. p->mn = 2 * cmScoreEvtCount(scH);
  2086. p->midiBuf = cmMemResizeZ(cmScMatchMidi_t,p->midiBuf,p->mn);
  2087. p->sn = cmScoreSetCount(scH);
  2088. p->set = cmMemResizeZ(cmScMeasSet_t,p->set,p->sn);
  2089. p->dynRef = cmMemResizeZ(unsigned,p->dynRef,dynRefCnt);
  2090. p->dn = dynRefCnt;
  2091. p->srate = srate;
  2092. memcpy(p->dynRef,dynRefArray,sizeof(dynRefArray[0])*dynRefCnt);
  2093. unsigned n = cmScoreLocCount(scH);
  2094. // for each score location
  2095. for(i=0,si=0; i<n; ++i)
  2096. {
  2097. cmScoreLoc_t* lp = cmScoreLoc(scH,i);
  2098. cmScoreSet_t* sp = lp->setList;
  2099. // for each set that ends on this score location
  2100. for(; sp!=NULL; sp=sp->llink,++si)
  2101. {
  2102. assert(si < p->sn);
  2103. cmScMeasSet_t* msp = p->set + si;
  2104. msp->sp = sp;
  2105. msp->bsli = cmScoreLocCount(scH);
  2106. msp->esli = 0;
  2107. msp->bsei = cmScoreEvtCount(scH);
  2108. msp->esei = 0;
  2109. msp->bli = cmInvalidIdx;
  2110. msp->eli = cmInvalidIdx;
  2111. for(j=0; j<sp->eleCnt; ++j)
  2112. {
  2113. msp->bsli = cmMin(msp->bsli,sp->eleArray[j]->locIdx);
  2114. msp->esli = cmMax(msp->esli,sp->eleArray[j]->locIdx);
  2115. msp->bsei = cmMin(msp->bsei,sp->eleArray[j]->index);
  2116. msp->esei = cmMax(msp->esei,sp->eleArray[j]->index);
  2117. }
  2118. }
  2119. }
  2120. // initialize p->mp so that mp->loc[] is loaded - use dummy scWndN and midiN
  2121. if((rc = cmScMatchInit(p->mp, scH, 11, 10 )) != cmOkRC )
  2122. return rc;
  2123. // assign set[].bli and set[].eli
  2124. for(j=0; j<p->sn; ++j)
  2125. {
  2126. cmScMeasSet_t* msp = p->set + j;
  2127. for(i=0; i<p->mp->locN; ++i)
  2128. {
  2129. if( msp->bli==cmInvalidIdx && msp->bsli==p->mp->loc[i].scLocIdx )
  2130. msp->bli = i;
  2131. if( msp->esli==p->mp->loc[i].scLocIdx )
  2132. msp->eli = i;
  2133. }
  2134. assert( msp->eli > msp->bli );
  2135. maxScWndN = cmMax( maxScWndN, msp->eli - msp->bli + 1 );
  2136. }
  2137. // setup the match
  2138. if((rc = cmScMatchInit(p->mp, scH, 2*maxScWndN+1, 2*maxScWndN )) != cmOkRC )
  2139. return rc;
  2140. // sort set[] on cmScMeasSet_t.esli
  2141. qsort(p->set, p->sn, sizeof(cmScMeasSet_t), _cmScMeasSortFunc );
  2142. //_cmScMeasPrint(p);
  2143. cmScMeasReset(p);
  2144. return rc;
  2145. }
  2146. cmRC_t cmScMeasFinal( cmScMeas* p )
  2147. { return cmScMatchFinal(p->mp); }
  2148. cmRC_t cmScMeasReset( cmScMeas* p )
  2149. {
  2150. cmRC_t rc = cmOkRC;
  2151. p->mii = 0;
  2152. p->nsi = cmInvalidIdx;
  2153. p->vsi = cmInvalidIdx;
  2154. p->nsli = cmInvalidIdx;
  2155. unsigned i;
  2156. for(i=0; i<p->sn; ++i)
  2157. {
  2158. p->set[i].value = DBL_MAX;
  2159. p->set[i].tempo = 0;
  2160. p->set[i].match_cost = 0;
  2161. }
  2162. return rc;
  2163. }
  2164. typedef struct
  2165. {
  2166. unsigned scLocIdx; // score loc index
  2167. double frac; // score based fraction of beat
  2168. unsigned smpIdx; // time of assoc'd MIDI event
  2169. unsigned cnt; //
  2170. double val; //
  2171. } _cmScMeasTimeEle_t;
  2172. typedef struct
  2173. {
  2174. unsigned setN; // set length
  2175. unsigned midiN; // count of MIDI events to match to score
  2176. unsigned alignN; // count of score events in the alignment (<= setN)
  2177. unsigned matchN; // count of positive matches
  2178. double tempo;
  2179. double value;
  2180. } _cmScMeasResult_t;
  2181. double _cmScMeasCalcTempo( const _cmScMeasTimeEle_t* b, unsigned bn, double srate )
  2182. {
  2183. assert( bn >= 2 );
  2184. assert( b[bn-1].smpIdx != cmInvalidIdx );
  2185. assert( b[0].smpIdx != cmInvalidIdx );
  2186. double durSmpCnt = b[bn-1].smpIdx - b[0].smpIdx;
  2187. double beats = 0;
  2188. unsigned i;
  2189. for(i=0; i<bn; ++i)
  2190. beats += b[i].frac;
  2191. assert(beats != 0);
  2192. return beats / (durSmpCnt / (srate * 60.0));
  2193. }
  2194. // Note: On successful completion (return!=0) the first
  2195. // and last record returned in c[cn] will be matched records.
  2196. unsigned _cmScMeasTimeAlign( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasTimeEle_t* c, unsigned cn, _cmScMeasResult_t* rp )
  2197. {
  2198. int i,j,k;
  2199. int an = sp->sp->eleCnt;
  2200. _cmScMeasTimeEle_t* b = NULL;
  2201. int bn = 0;
  2202. bool tempoFl = false;
  2203. unsigned matchN = 0;
  2204. assert( an!=0);
  2205. // alloc a 'score set' element array
  2206. _cmScMeasTimeEle_t a[an];
  2207. // get the scLocIdx of each set element from the score
  2208. for(i=0,j=0; i<an; ++i)
  2209. if( i==0 || sp->sp->eleArray[i-1]->locIdx != sp->sp->eleArray[i]->locIdx )
  2210. {
  2211. assert( sp->sp->eleArray[i]->locIdx != cmInvalidIdx );
  2212. a[j].scLocIdx = sp->sp->eleArray[i]->locIdx;
  2213. a[j].frac = sp->sp->eleArray[i]->frac;
  2214. a[j].smpIdx = cmInvalidIdx;
  2215. a[j].cnt = 0;
  2216. ++j;
  2217. }
  2218. an = j; // set the count of unique score locations (new length of a[])
  2219. // collect the 'smpIdx' for each MIDI event which matches a set element
  2220. for(i=0; i<mn; ++i)
  2221. if( m[i].locIdx != cmInvalidIdx )
  2222. {
  2223. for(j=0; j<an; ++j)
  2224. if( p->mp->loc[m[i].locIdx].scLocIdx == a[j].scLocIdx )
  2225. {
  2226. a[j].smpIdx += m[i].smpIdx;
  2227. a[j].cnt += 1;
  2228. if( a[j].cnt == 1 )
  2229. matchN += 1; // only cnt one match per sc loc.
  2230. break;
  2231. }
  2232. }
  2233. // remove leading missing values
  2234. for(i=0; i<an; ++i)
  2235. if( a[i].smpIdx != cmInvalidIdx )
  2236. {
  2237. b = a + i;
  2238. bn = an - i;
  2239. break;
  2240. }
  2241. // remove trailing missing values
  2242. for(i=bn-1; i>=0; --i,--bn)
  2243. if( b[i].smpIdx != cmInvalidIdx )
  2244. break;
  2245. // can't measure evenness against less than 2 values
  2246. if( bn < 2 )
  2247. {
  2248. return 0;
  2249. }
  2250. assert(b[0].smpIdx != cmInvalidIdx && b[bn-1].smpIdx != cmInvalidIdx);
  2251. // calc avg. smpIdx, insert missing values, and convert b[].smpIdx to delta smp index
  2252. for(i=0,j=0; i<bn; ++i)
  2253. {
  2254. if( b[i].cnt > 1 )
  2255. b[i].smpIdx /= b[i].cnt;
  2256. if( b[i].smpIdx == cmInvalidIdx )
  2257. ++j; // incr missing value count
  2258. else
  2259. {
  2260. if( i > 0 )
  2261. {
  2262. // fill in missing values
  2263. ++j;
  2264. unsigned d = (b[i].smpIdx - b[i-j].smpIdx)/j;
  2265. for(k=0; k<j; ++k)
  2266. b[i-j+k].val = d;
  2267. }
  2268. j=0;
  2269. }
  2270. if( b[i].frac != 0 )
  2271. tempoFl = true;
  2272. }
  2273. rp->setN = an;
  2274. rp->midiN = mn;
  2275. rp->alignN = bn;
  2276. rp->matchN = matchN;
  2277. rp->tempo = 0;
  2278. rp->value = 0;
  2279. // calculate tempo
  2280. if( tempoFl )
  2281. rp->tempo = _cmScMeasCalcTempo(b,bn,p->srate);
  2282. assert(bn<=cn);
  2283. // TODO: this copy should be eliminated
  2284. // copy to output
  2285. for(i=0; i<bn && i<cn; ++i)
  2286. c[i] = b[i];
  2287. return bn;
  2288. }
  2289. double _cmScMeasEven( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
  2290. {
  2291. unsigned bn = sp->sp->eleCnt;
  2292. _cmScMeasTimeEle_t b[bn];
  2293. unsigned i;
  2294. if((bn = _cmScMeasTimeAlign(p,sp,m,mn,b,bn,rp)) == 0 )
  2295. return DBL_MAX;
  2296. // calc avg. delta time
  2297. double d_avg = 0;
  2298. for(i=0; i<bn-1; ++i)
  2299. d_avg += b[i].val;
  2300. d_avg /= (bn-1);
  2301. // calc std-dev of delta time
  2302. double d_sd = 0;
  2303. for(i=0; i<bn-1; ++i)
  2304. d_sd += (b[i].val-d_avg) * (b[i].val-d_avg);
  2305. // if there is no deviation then we can't compute a z-score
  2306. // (this will happen if we fill in all the missing values based on 2 values)
  2307. if( d_sd == 0 )
  2308. return 1.0;
  2309. d_sd = sqrt(d_sd/(bn-1));
  2310. // calc avg. z-score
  2311. double z = 0;
  2312. for(i=0; i<bn-1; ++i)
  2313. z += fabs(b[i].val - d_avg)/d_sd;
  2314. double val = z / (bn-1);
  2315. rp->value = val;
  2316. return val;
  2317. }
  2318. // return Tempo estimation in BPM
  2319. double _cmScMeasTempo( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
  2320. {
  2321. unsigned bn = sp->sp->eleCnt;
  2322. _cmScMeasTimeEle_t b[bn];
  2323. if((bn= _cmScMeasTimeAlign(p,sp,m,mn,b,bn,rp)) == 0 )
  2324. return DBL_MAX;
  2325. return rp->tempo;
  2326. }
  2327. double _cmScMeasDyn( cmScMeas* p, cmScMeasSet_t* sp, cmScMatchMidi_t* m, unsigned mn, _cmScMeasResult_t* rp )
  2328. {
  2329. typedef struct
  2330. {
  2331. unsigned scEvtIdx;
  2332. unsigned vel;
  2333. double val;
  2334. } ele_t;
  2335. int i,j;
  2336. int n = sp->sp->eleCnt;
  2337. double vv = 0;
  2338. unsigned vn = 0;
  2339. unsigned matchN = 0;
  2340. unsigned alignN = 0;
  2341. assert( n!=0);
  2342. ele_t a[n];
  2343. // get the scEvtIdx of each set element
  2344. for(i=0; i<n; ++i)
  2345. {
  2346. cmScoreEvt_t* ep = cmScoreEvt( p->mp->scH, sp->sp->eleArray[i]->index );
  2347. assert( ep != NULL );
  2348. a[i].scEvtIdx = sp->sp->eleArray[i]->index;
  2349. a[i].vel = 0;
  2350. a[i].val = ep->dynVal;
  2351. }
  2352. // set the performed vel. of each note in the set
  2353. // (if a note was not played it's a[].vel is left at 0)
  2354. for(i=0; i<mn; ++i)
  2355. if( m[i].scEvtIdx != cmInvalidIdx )
  2356. {
  2357. alignN += 1;
  2358. for(j=0; j<n; ++j)
  2359. if( m[i].scEvtIdx == a[j].scEvtIdx )
  2360. {
  2361. matchN += 1;
  2362. a[j].vel = m[i].vel;
  2363. break;
  2364. }
  2365. }
  2366. // assign a dynamics category to each note in the set
  2367. for(i=0; i<n; ++i)
  2368. if( a[i].vel > 0 )
  2369. {
  2370. unsigned mnv = 0; // lower bound for first dyn's category
  2371. for(j=0; j<p->dn; ++j)
  2372. {
  2373. if( mnv <= a[i].vel && a[i].vel < p->dynRef[j] )
  2374. {
  2375. // accum. the diff. between the ref. and performed dyn. category
  2376. vv += fabs(a[i].val - j);
  2377. vn += 1;
  2378. break;
  2379. }
  2380. mnv = p->dynRef[j];
  2381. }
  2382. assert(j<p->dn);
  2383. }
  2384. rp->setN = n;
  2385. rp->midiN = mn;
  2386. rp->alignN = alignN;
  2387. rp->matchN = matchN;
  2388. rp->tempo = 0;
  2389. rp->value = vn == 0 ? DBL_MAX : vv/vn;
  2390. return rp->value;
  2391. }
  2392. unsigned MEAS_MATCH_CNT = 0;
  2393. void _cmScMeasPrintResult( cmScMeas* p, cmScMeasSet_t* sp, _cmScMeasResult_t* rp, unsigned bli, const cmScMatchMidi_t* mb )
  2394. {
  2395. const char* label = "<none>";
  2396. switch( sp->sp->varId )
  2397. {
  2398. case kEvenVarScId:
  2399. label = "even";
  2400. break;
  2401. case kDynVarScId:
  2402. label = "dyn";
  2403. break;
  2404. case kTempoVarScId:
  2405. label = "tempo";
  2406. break;
  2407. }
  2408. const cmChar_t* msg = "";
  2409. if( rp->value == DBL_MAX )
  2410. {
  2411. msg = "Measure FAILED.";
  2412. sp->value = 0;
  2413. }
  2414. printf("%i set:%i %s bsli:%i esli:%i [set:%i match:%i] cost:%f val:%f %s",MEAS_MATCH_CNT, p->nsi, label, sp->bsli, sp->esli, rp->setN, rp->matchN, p->mp->opt_cost, sp->value, msg);
  2415. if( rp->tempo != 0 )
  2416. printf(" tempo:%f ",rp->tempo);
  2417. printf("\n");
  2418. _cmScMatchPrintPath(p->mp, p->mp->p_opt, bli, mb );
  2419. }
  2420. void _cmScMeasCalcVal( cmScMeas* p, cmScMeasSet_t* sp, int n_mii )
  2421. {
  2422. unsigned mn = 0;
  2423. int i,k = cmInvalidIdx;
  2424. if( n_mii == 0 )
  2425. return;
  2426. // Determine the count of MIDI notes to match to the set score
  2427. // by searching from the MIDI note just recieved (midiBuf[n_mii]
  2428. // back toward the beginning until a MIDI event which occurs just
  2429. // prior to the set's begScLocIdx.
  2430. for(i=n_mii; i>=0; --i)
  2431. {
  2432. if( p->midiBuf[i].locIdx != cmInvalidIdx )
  2433. {
  2434. k = i;
  2435. unsigned scLocIdx = p->mp->loc[ p->midiBuf[i].locIdx ].scLocIdx;
  2436. if( scLocIdx < sp->bsli )
  2437. break;
  2438. }
  2439. }
  2440. assert(k != cmInvalidIdx);
  2441. mn = n_mii - k + 1;
  2442. i = k;
  2443. assert(i>=0);
  2444. assert(mn>0);
  2445. // Create a copy of the the MIDI buffer to prevent the
  2446. // p->midiBuf[].locIdx from being overwritten by cmScMatchDoSync().
  2447. cmScMatchMidi_t mb[ mn ];
  2448. unsigned j;
  2449. for(j=0; j<mn; ++j)
  2450. {
  2451. mb[j] = p->midiBuf[i+j];
  2452. mb[j].locIdx = cmInvalidIdx;
  2453. }
  2454. // In general the first and last MIDI event should be assigned
  2455. // to a score location - it's possible however that no MIDI
  2456. // event's prior to the one at p->midiBuf[n_mii] were assigned.
  2457. assert( (i==0 || p->midiBuf[i].locIdx!=cmInvalidIdx) && p->midiBuf[i+mn-1].locIdx != cmInvalidIdx);
  2458. unsigned l0i = cmMin(p->midiBuf[i].locIdx,p->midiBuf[i+mn-1].locIdx);
  2459. unsigned l1i = cmMax(p->midiBuf[i].locIdx,p->midiBuf[i+mn-1].locIdx);
  2460. unsigned bli = l0i;
  2461. unsigned ln = l1i - bli + 1;
  2462. double min_cost = DBL_MAX;
  2463. _cmScMeasResult_t r;
  2464. memset(&r,0,sizeof(r));
  2465. // match MIDI to score
  2466. if( cmScMatchExec(p->mp, bli, ln, mb, mn, min_cost ) != cmOkRC )
  2467. return;
  2468. // sync the score and MIDI based on the match information
  2469. if( cmScMatchDoSync(p->mp, bli, mb, mn, NULL ) == cmInvalidIdx )
  2470. return;
  2471. if( p->mp->opt_cost != DBL_MAX )
  2472. sp->match_cost = p->mp->opt_cost / sp->sp->eleCnt;
  2473. switch( sp->sp->varId )
  2474. {
  2475. case kEvenVarScId:
  2476. sp->value = _cmScMeasEven(p, sp, mb, mn, &r );
  2477. break;
  2478. case kDynVarScId:
  2479. sp->value = _cmScMeasDyn(p, sp, mb, mn, &r );
  2480. break;
  2481. case kTempoVarScId:
  2482. sp->value = _cmScMeasTempo(p, sp, mb, mn, &r );
  2483. break;
  2484. default:
  2485. { assert(0); }
  2486. }
  2487. sp->tempo = r.tempo;
  2488. // print the result
  2489. //_cmScMeasPrintResult(p, sp, &r, bli, mb );
  2490. MEAS_MATCH_CNT++;
  2491. }
  2492. cmRC_t cmScMeasExec( cmScMeas* p, unsigned mni, unsigned locIdx, unsigned scEvtIdx, unsigned flags, unsigned smpIdx, unsigned pitch, unsigned vel )
  2493. {
  2494. cmRC_t rc = cmOkRC;
  2495. // if the midi buffer is full
  2496. if( p->mii >= p->mn )
  2497. return cmCtxRtCondition( &p->obj, cmEofRC, "The MIDI buffer is full.");
  2498. int n_mii = cmInvalidIdx;
  2499. // locate the MIDI event assoc'd with 'mni' ...
  2500. if( p->mii>0 && mni <= p->midiBuf[p->mii-1].mni )
  2501. {
  2502. if( locIdx != cmInvalidIdx )
  2503. {
  2504. for(n_mii=p->mii-1; n_mii>=0; --n_mii)
  2505. if( p->midiBuf[n_mii].mni == mni )
  2506. break;
  2507. if( n_mii<0 )
  2508. n_mii = cmInvalidIdx;
  2509. }
  2510. }
  2511. else // ... or push a new record onto p->midiBuf[]
  2512. {
  2513. n_mii = p->mii;
  2514. ++p->mii;
  2515. }
  2516. // store the MIDI event
  2517. p->midiBuf[n_mii].mni = mni;
  2518. p->midiBuf[n_mii].locIdx = locIdx;
  2519. p->midiBuf[n_mii].scEvtIdx = scEvtIdx;
  2520. p->midiBuf[n_mii].smpIdx = smpIdx;
  2521. p->midiBuf[n_mii].pitch = pitch;
  2522. p->midiBuf[n_mii].vel = vel;
  2523. // setting vsi=nsi and vsli=nsli will indicate to the calling
  2524. // program that no new sets are ready.
  2525. p->vsi = p->nsi;
  2526. p->vsli = p->nsli;
  2527. if( locIdx == cmInvalidIdx )
  2528. return cmOkRC;
  2529. //
  2530. unsigned scLocIdx = p->mp->loc[ locIdx ].scLocIdx;
  2531. unsigned maxScLocIdx = cmScoreLocCount(p->mp->scH)-1;
  2532. // if this cmScMeas object has not yet synchronized to the cmScMatcher
  2533. // (if p->nsli is not valid)
  2534. if( p->nsli == cmInvalidIdx )
  2535. {
  2536. unsigned i;
  2537. for(i=0; i<p->sn; ++i)
  2538. if( p->set[i].esli+1 == scLocIdx )
  2539. {
  2540. p->nsli = scLocIdx;
  2541. p->nsi = i;
  2542. break;
  2543. }
  2544. if(i==p->sn)
  2545. return rc;
  2546. }
  2547. p->vsi = p->nsi;
  2548. p->vsli = p->nsli;
  2549. // for each cmScore location between p->nsli and scLocIdx
  2550. for(; p->nsli<=scLocIdx && p->nsi < p->sn; ++p->nsli)
  2551. {
  2552. // if this score location index (p->nsli) is one score location
  2553. // ahead of the next sets ending location.
  2554. while( cmMin(maxScLocIdx,p->set[p->nsi].esli+1) == p->nsli )
  2555. {
  2556. // calculate the value assoc'd with p->set[p->nsi]
  2557. _cmScMeasCalcVal(p, p->set + p->nsi, n_mii );
  2558. // advance the set index
  2559. ++p->nsi;
  2560. }
  2561. }
  2562. return rc;
  2563. }
  2564. //=======================================================================================================================
  2565. cmRC_t cmScAlignScanToTimeLineEvent( cmScMatcher* p, cmTlH_t tlH, cmTlObj_t* top, unsigned endSmpIdx )
  2566. {
  2567. assert( top != NULL );
  2568. cmTlMidiEvt_t* mep = NULL;
  2569. cmRC_t rc = cmOkRC;
  2570. // as long as more MIDI events are available get the next MIDI msg
  2571. while( rc==cmOkRC && (mep = cmTlNextMidiEvtObjPtr(tlH, top, top->seqId )) != NULL )
  2572. {
  2573. top = &mep->obj;
  2574. // if the msg falls after the end of the marker then we are through
  2575. if( mep->obj.seqSmpIdx != cmInvalidIdx && mep->obj.seqSmpIdx > endSmpIdx )
  2576. break;
  2577. // if the time line MIDI msg a note-on
  2578. if( (mep->msg->status&0xf0) == kNoteOnMdId )
  2579. {
  2580. rc = cmScMatcherExec(p, mep->obj.seqSmpIdx, mep->msg->status, mep->msg->u.chMsgPtr->d0, mep->msg->u.chMsgPtr->d1, NULL );
  2581. switch( rc )
  2582. {
  2583. case cmOkRC: // continue processing MIDI events
  2584. break;
  2585. case cmEofRC: // end of the score was encountered
  2586. break;
  2587. case cmInvalidArgRC: // p->eli was not set correctly
  2588. break;
  2589. case cmSubSysFailRC: // scan resync failed
  2590. break;
  2591. default:
  2592. { assert(0); }
  2593. }
  2594. }
  2595. }
  2596. if( rc == cmEofRC )
  2597. rc = cmOkRC;
  2598. return rc;
  2599. }
  2600. // This callback connects/feeds the cmScMeas object from the cmScMatcher object.
  2601. // (See _cmScMatcherStoreResult().)
  2602. void cmScMatcherCb( cmScMatcher* p, void* arg, cmScMatcherResult_t* rp )
  2603. {
  2604. cmScMeas* mp = (cmScMeas*)arg;
  2605. cmScMeasExec(mp, rp->mni, rp->locIdx, rp->scEvtIdx, rp->flags, rp->smpIdx, rp->pitch, rp->vel );
  2606. }
  2607. void cmScAlignScanMarkers( cmRpt_t* rpt, cmTlH_t tlH, cmScH_t scH )
  2608. {
  2609. unsigned i;
  2610. double srate = cmTimeLineSampleRate(tlH);
  2611. unsigned midiN = 7;
  2612. unsigned scWndN = 10;
  2613. unsigned markN = 291;
  2614. unsigned dynRefArray[] = { 14, 28, 42, 56, 71, 85, 99, 113,128 };
  2615. unsigned dynRefCnt = sizeof(dynRefArray)/sizeof(dynRefArray[0]);
  2616. cmCtx* ctx = cmCtxAlloc(NULL, rpt, cmLHeapNullHandle, cmSymTblNullHandle );
  2617. cmScMeas* mp = cmScMeasAlloc(ctx,NULL,scH,srate,dynRefArray,dynRefCnt);
  2618. cmScMatcher* p = cmScMatcherAlloc(ctx,NULL,srate,scH,scWndN,midiN,cmScMatcherCb,mp);
  2619. double scoreThresh = 0.5;
  2620. unsigned candCnt = 0;
  2621. unsigned initFailCnt = 0;
  2622. unsigned otherFailCnt = 0;
  2623. unsigned scoreFailCnt = 0;
  2624. bool printFl = false;
  2625. unsigned markCharCnt = 31;
  2626. cmChar_t markText[ markCharCnt+1 ];
  2627. cmTimeSpec_t t0,t1;
  2628. cmTimeGet(&t0);
  2629. // for each marker
  2630. for(i=0; i<markN; ++i)
  2631. {
  2632. // form the marker text
  2633. snprintf(markText,markCharCnt,"Mark %i",i);
  2634. // locate the marker
  2635. cmTlMarker_t* tlmp = cmTimeLineMarkerFind( tlH, markText );
  2636. if( tlmp == NULL )
  2637. {
  2638. if( printFl )
  2639. printf("The marker '%s' was not found.\n\n",markText);
  2640. continue;
  2641. }
  2642. // skip markers which do not contain text
  2643. if( cmTextIsEmpty(tlmp->text) )
  2644. {
  2645. if( printFl )
  2646. printf("The marker '%s' is being skipped because it has no text.\n\n",markText);
  2647. continue;
  2648. }
  2649. printf("=================== MARKER:%s ===================\n",markText);
  2650. cmScMatcherReset(p,0); // reset the score follower to the beginnig of the score
  2651. cmScMeasReset(mp);
  2652. ++candCnt;
  2653. // scan to the beginning of the marker
  2654. cmRC_t rc = cmScAlignScanToTimeLineEvent(p,tlH,&tlmp->obj,tlmp->obj.seqSmpIdx+tlmp->obj.durSmpCnt);
  2655. bool pfl = true;
  2656. if( rc != cmOkRC || p->begSyncLocIdx==cmInvalidIdx)
  2657. {
  2658. bool fl = printFl;
  2659. printFl = true;
  2660. // if a no alignment was found
  2661. if( p->begSyncLocIdx == cmInvalidIdx )
  2662. rc = cmInvalidArgRC;
  2663. if( p->mni == 0 )
  2664. {
  2665. if( printFl )
  2666. printf("mark:%i midi:%i Not enough MIDI notes to fill the scan buffer.\n",i,p->mni);
  2667. pfl = false;
  2668. }
  2669. else
  2670. {
  2671. switch(rc)
  2672. {
  2673. case cmInvalidArgRC:
  2674. if( printFl )
  2675. printf("mark:%i INITIAL SYNC FAIL\n",i);
  2676. ++initFailCnt;
  2677. pfl = false;
  2678. break;
  2679. case cmSubSysFailRC:
  2680. if( printFl )
  2681. printf("mark:%i SCAN RESYNC FAIL\n",i);
  2682. ++otherFailCnt;
  2683. break;
  2684. default:
  2685. if( printFl )
  2686. printf("mark:%i UNKNOWN FAIL\n",i);
  2687. ++otherFailCnt;
  2688. }
  2689. }
  2690. printFl = fl;
  2691. }
  2692. if( pfl )
  2693. {
  2694. double fmeas = cmScMatcherFMeas(p);
  2695. if( printFl )
  2696. printf("mark:%i midi:%i loc:%i bar:%i cost:%f f-meas:%f text:%s\n",i,p->mni,p->begSyncLocIdx,p->mp->loc[p->begSyncLocIdx].barNumb,p->s_opt,fmeas,tlmp->text);
  2697. if( fmeas < scoreThresh )
  2698. ++scoreFailCnt;
  2699. }
  2700. //print score and match for entire marker
  2701. //cmScMatcherPrint(p);
  2702. // ONLY USE ONE MARKER DURING TESTING
  2703. // break;
  2704. if( printFl )
  2705. printf("\n");
  2706. }
  2707. printf("cand:%i fail:%i - init:%i score:%i other:%i\n\n",candCnt,initFailCnt+scoreFailCnt+otherFailCnt,initFailCnt,scoreFailCnt,otherFailCnt);
  2708. cmTimeGet(&t1);
  2709. printf("elapsed:%f\n", (double)cmTimeElapsedMicros(&t0,&t1)/1000000.0 );
  2710. cmScMatcherFree(&p);
  2711. cmScMeasFree(&mp);
  2712. cmCtxFree(&ctx);
  2713. }
  2714. //=======================================================================================================================
  2715. cmScModulator* cmScModulatorAlloc( cmCtx* c, cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, double srate, unsigned samplesPerCycle, const cmChar_t* fn, const cmChar_t* modLabel, cmScModCb_t cbFunc, void* cbArg )
  2716. {
  2717. cmScModulator* op = cmObjAlloc(cmScModulator,c,p);
  2718. if( ctx != NULL )
  2719. if( cmScModulatorInit(op,ctx,stH,srate,samplesPerCycle,fn,modLabel,cbFunc,cbArg) != cmOkRC )
  2720. cmScModulatorFree(&op);
  2721. return op;
  2722. }
  2723. cmRC_t cmScModulatorFree( cmScModulator** pp )
  2724. {
  2725. cmRC_t rc = cmOkRC;
  2726. if( pp==NULL || *pp==NULL )
  2727. return rc;
  2728. cmScModulator* p = *pp;
  2729. if((rc = cmScModulatorFinal(p)) != cmOkRC )
  2730. return rc;
  2731. cmMemFree(p->earray);
  2732. cmObjFree(pp);
  2733. return rc;
  2734. }
  2735. typedef struct
  2736. {
  2737. unsigned typeId;
  2738. unsigned minArgCnt;
  2739. const cmChar_t* label;
  2740. } _cmScModTypeMap_t;
  2741. _cmScModTypeMap_t _cmScModTypeArray[] =
  2742. {
  2743. { kSetModTId, 1, "set" },
  2744. { kLineModTId, 2, "line" },
  2745. { kSetLineModTId, 3, "sline" },
  2746. { kPostModTId, 4, "post" },
  2747. { kInvalidModTId, 0, "<invalid>"}
  2748. };
  2749. const _cmScModTypeMap_t* _cmScModTypeLabelToMap( const cmChar_t* label )
  2750. {
  2751. unsigned i;
  2752. for(i=0; _cmScModTypeArray[i].typeId!=kInvalidModTId; ++i)
  2753. if( strcmp(_cmScModTypeArray[i].label,label) == 0 )
  2754. return _cmScModTypeArray + i;
  2755. return NULL;
  2756. }
  2757. cmScModVar_t* _cmScModSymToVar( cmScModulator* p, unsigned varSymId )
  2758. {
  2759. cmScModVar_t* vp = p->vlist;
  2760. for(; vp!=NULL; vp=vp->vlink)
  2761. if( varSymId == vp->varSymId )
  2762. return vp;
  2763. return NULL;
  2764. }
  2765. cmScModVar_t* _cmScModulatorInsertVar( cmScModulator* p, unsigned varSymId, unsigned flags )
  2766. {
  2767. cmScModVar_t* vp = _cmScModSymToVar(p,varSymId);
  2768. if( vp == NULL )
  2769. {
  2770. vp = cmMemAllocZ(cmScModVar_t,1);
  2771. vp->varSymId = varSymId;
  2772. vp->outVarId = cmInvalidId;
  2773. vp->vlink = p->vlist;
  2774. p->vlist = vp;
  2775. }
  2776. vp->flags = flags;
  2777. vp->value = DBL_MAX;
  2778. vp->min = DBL_MAX;
  2779. vp->max = DBL_MAX;
  2780. vp->rate = DBL_MAX;
  2781. vp->phase = 0;
  2782. vp->entry = NULL;
  2783. vp->alink = NULL;
  2784. return vp;
  2785. }
  2786. cmScModEntry_t* _cmScModulatorInsertEntry(cmScModulator* p, unsigned idx, unsigned scLocIdx, unsigned modSymId, unsigned varSymId, unsigned typeId, unsigned paramCnt )
  2787. {
  2788. assert( idx < p->en );
  2789. p->earray[idx].scLocIdx = scLocIdx;
  2790. p->earray[idx].typeId = typeId;
  2791. p->earray[idx].varPtr = _cmScModulatorInsertVar(p,varSymId,0);
  2792. if( p->earray[idx].varPtr->outVarId == cmInvalidIdx )
  2793. p->earray[idx].varPtr->outVarId = p->outVarCnt++;
  2794. return p->earray + idx;
  2795. }
  2796. /*
  2797. {
  2798. [
  2799. { loc:123, mod:modlabel, var:varlabel, param:[ ] }
  2800. ]
  2801. }
  2802. */
  2803. // Parameter values are found as values of the 'data','min' or 'max' fields.
  2804. // A parameter value may be either a symbol identifier (mapped to a variable)
  2805. // or a literal number. This function determines which form the paramter
  2806. // value takes and parses it accordingly.
  2807. cmRC_t _cmScModulatorParseParam( cmScModulator* p, cmSymTblH_t stH, cmJsonNode_t* np, cmScModParam_t* pp )
  2808. {
  2809. cmRC_t rc = cmOkRC;
  2810. switch( np->typeId )
  2811. {
  2812. case kIntTId:
  2813. case kRealTId:
  2814. if( cmJsonRealValue(np, &pp->val ) != kOkJsRC )
  2815. {
  2816. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator literal value." );
  2817. goto errLabel;
  2818. }
  2819. pp->pid = kLiteralModPId;
  2820. break;
  2821. case kStringTId:
  2822. {
  2823. const cmChar_t* label = NULL;
  2824. if( cmJsonStringValue(np, &label) != kOkJsRC )
  2825. {
  2826. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator symbol label." );
  2827. goto errLabel;
  2828. }
  2829. pp->symId = cmSymTblRegisterSymbol(stH,label);
  2830. pp->pid = kSymbolModPId;
  2831. }
  2832. break;
  2833. default:
  2834. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Parameter value is not a number or identifier." );
  2835. goto errLabel;
  2836. break;
  2837. }
  2838. errLabel:
  2839. return rc;
  2840. }
  2841. cmRC_t _cmScModulatorParse( cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, const cmChar_t* fn )
  2842. {
  2843. cmRC_t rc = cmOkRC;
  2844. cmJsonNode_t* jnp = NULL;
  2845. cmJsonH_t jsH = cmJsonNullHandle;
  2846. unsigned i = cmInvalidIdx;
  2847. unsigned j = cmInvalidIdx;
  2848. // read the JSON file
  2849. if( cmJsonInitializeFromFile(&jsH, fn, ctx ) != kOkJsRC )
  2850. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "JSON file parse failed on the modulator file: %s.",cmStringNullGuard(fn) );
  2851. jnp = cmJsonRoot(jsH);
  2852. // validate that the first child as an array
  2853. if( jnp==NULL || ((jnp = cmJsonNodeMemberValue(jnp,"array")) == NULL) || cmJsonIsArray(jnp)==false )
  2854. {
  2855. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Modulator file header syntax error in file:%s",cmStringNullGuard(fn) );
  2856. goto errLabel;
  2857. }
  2858. // allocate the entry array
  2859. unsigned entryCnt = cmJsonChildCount(jnp);
  2860. p->earray = cmMemResizeZ(cmScModEntry_t,p->earray,entryCnt);
  2861. p->en = entryCnt;
  2862. unsigned prvScLocIdx = cmInvalidIdx;
  2863. const cmChar_t* prvModLabel = NULL;
  2864. const cmChar_t* prvVarLabel = NULL;
  2865. const cmChar_t* prvTypeLabel = NULL;
  2866. for(i=0; i<entryCnt; ++i)
  2867. {
  2868. cmJsRC_t jsRC;
  2869. const char* errLabelPtr = NULL;
  2870. unsigned scLocIdx = cmInvalidIdx;
  2871. const cmChar_t* modLabel = NULL;
  2872. const cmChar_t* varLabel = NULL;
  2873. const cmChar_t* typeLabel = NULL;
  2874. cmJsonNode_t* onp = cmJsonArrayElement(jnp,i);
  2875. cmJsonNode_t* dnp = NULL;
  2876. const _cmScModTypeMap_t* map = NULL;
  2877. if((jsRC = cmJsonMemberValues( onp, &errLabelPtr,
  2878. "loc", kIntTId | kOptArgJsFl, &scLocIdx,
  2879. "mod", kStringTId | kOptArgJsFl, &modLabel,
  2880. "var", kStringTId | kOptArgJsFl, &varLabel,
  2881. "type",kStringTId | kOptArgJsFl, &typeLabel,
  2882. NULL )) != kOkJsRC )
  2883. {
  2884. if( errLabelPtr == NULL )
  2885. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error:%s on record at index %i in file:%s",errLabelPtr,i,cmStringNullGuard(fn) );
  2886. else
  2887. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Synax error in Modulator record at index %i in file:%s",i,cmStringNullGuard(fn) );
  2888. goto errLabel;
  2889. }
  2890. // if the score location was not given use the previous score location
  2891. if( scLocIdx == cmInvalidIdx )
  2892. scLocIdx = prvScLocIdx;
  2893. else
  2894. prvScLocIdx = scLocIdx;
  2895. // if the mod label was not given use the previous one
  2896. if( modLabel == NULL )
  2897. modLabel = prvModLabel;
  2898. else
  2899. prvModLabel = modLabel;
  2900. if( modLabel == NULL )
  2901. {
  2902. rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'mod' label has been set in mod file '%s'.",cmStringNullGuard(fn));
  2903. goto errLabel;
  2904. }
  2905. // if the var label was not given use the previous one
  2906. if( varLabel == NULL )
  2907. varLabel = prvVarLabel;
  2908. else
  2909. prvVarLabel = varLabel;
  2910. if( varLabel == NULL )
  2911. {
  2912. rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'var' label has been set in mod file '%s'.",cmStringNullGuard(fn));
  2913. goto errLabel;
  2914. }
  2915. // if the type label was not given use the previous one
  2916. if( typeLabel == NULL )
  2917. typeLabel = prvTypeLabel;
  2918. else
  2919. prvTypeLabel = typeLabel;
  2920. if( typeLabel == NULL )
  2921. {
  2922. rc = cmCtxRtCondition(&p->obj, cmInvalidArgRC, "No 'type' label has been set in mod file '%s'.",cmStringNullGuard(fn));
  2923. goto errLabel;
  2924. }
  2925. // validate the entry type label
  2926. if((map = _cmScModTypeLabelToMap(typeLabel)) == NULL )
  2927. {
  2928. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Unknown entry type '%s' in Modulator record at index %i in file:%s",cmStringNullGuard(typeLabel),i,cmStringNullGuard(fn) );
  2929. goto errLabel;
  2930. }
  2931. unsigned modSymId = cmSymTblRegisterSymbol(stH,modLabel);
  2932. unsigned varSymId = cmSymTblRegisterSymbol(stH,varLabel);
  2933. // the mod entry label must match the modulators label
  2934. if( p->modSymId != modSymId )
  2935. {
  2936. --p->en;
  2937. continue;
  2938. }
  2939. // get the count of the elmenets in the data array
  2940. unsigned paramCnt = cmJsonChildCount(onp);
  2941. // fill the entry record and find or create the target var
  2942. cmScModEntry_t* ep = _cmScModulatorInsertEntry(p,i,scLocIdx,modSymId,varSymId,map->typeId,paramCnt);
  2943. typedef struct
  2944. {
  2945. const cmChar_t* label;
  2946. cmScModParam_t* param;
  2947. } map_t;
  2948. // parse the var and parameter records
  2949. map_t mapArray[] =
  2950. {
  2951. { "min", &ep->min },
  2952. { "max", &ep->max },
  2953. { "rate",&ep->rate },
  2954. { "val", &ep->beg },
  2955. { "end", &ep->end },
  2956. { "dur", &ep->dur },
  2957. { NULL, NULL }
  2958. };
  2959. unsigned j=0;
  2960. for(j=0; mapArray[j].param!=NULL; ++j)
  2961. if((dnp = cmJsonFindValue(jsH,mapArray[j].label, onp, kInvalidTId )) != NULL )
  2962. if((rc = _cmScModulatorParseParam(p,stH,dnp,mapArray[j].param)) != cmOkRC )
  2963. goto errLabel;
  2964. }
  2965. errLabel:
  2966. if( rc != cmOkRC )
  2967. cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Error parsing in Modulator 'data' record at index %i value index %i in file:%s",i,j,cmStringNullGuard(fn) );
  2968. // release the JSON tree
  2969. if( cmJsonIsValid(jsH) )
  2970. cmJsonFinalize(&jsH);
  2971. return rc;
  2972. }
  2973. cmRC_t _cmScModulatorReset( cmScModulator* p, cmCtx_t* ctx, unsigned scLocIdx )
  2974. {
  2975. cmRC_t rc = cmOkRC;
  2976. p->alist = NULL;
  2977. p->elist = NULL;
  2978. p->nei = 0;
  2979. p->outVarCnt = 0;
  2980. // reload the file
  2981. if((rc = _cmScModulatorParse(p,ctx,p->stH,p->fn)) != cmOkRC )
  2982. goto errLabel;
  2983. // clear the active flag on all variables
  2984. cmScModVar_t* vp = p->vlist;
  2985. for(; vp!=NULL; vp=vp->vlink)
  2986. {
  2987. vp->flags = cmClrFlag(vp->flags,kActiveModFl);
  2988. vp->alink = NULL;
  2989. }
  2990. errLabel:
  2991. return rc;
  2992. }
  2993. cmRC_t cmScModulatorInit( cmScModulator* p, cmCtx_t* ctx, cmSymTblH_t stH, double srate, unsigned samplesPerCycle, const cmChar_t* fn, const cmChar_t* modLabel, cmScModCb_t cbFunc, void* cbArg )
  2994. {
  2995. cmRC_t rc;
  2996. if((rc = cmScModulatorFinal(p)) != cmOkRC )
  2997. return rc;
  2998. p->fn = cmMemAllocStr(fn);
  2999. p->stH = stH;
  3000. p->modSymId = cmSymTblRegisterSymbol(stH,modLabel);
  3001. p->cbFunc = cbFunc;
  3002. p->cbArg = cbArg;
  3003. p->samplesPerCycle = samplesPerCycle;
  3004. p->srate = srate;
  3005. if( rc != cmOkRC )
  3006. cmScModulatorFinal(p);
  3007. else
  3008. _cmScModulatorReset(p,ctx,0);
  3009. return rc;
  3010. }
  3011. cmRC_t cmScModulatorFinal( cmScModulator* p )
  3012. {
  3013. cmMemFree(p->fn);
  3014. // release each var record
  3015. cmScModVar_t* vp = p->vlist;
  3016. while( vp!=NULL )
  3017. {
  3018. cmScModVar_t* np = vp->vlink;
  3019. cmMemFree(vp);
  3020. vp=np;
  3021. }
  3022. return cmOkRC;
  3023. }
  3024. unsigned cmScModulatorOutVarCount( cmScModulator* p )
  3025. { return p->outVarCnt; }
  3026. cmScModVar_t* cmScModulatorOutVar( cmScModulator* p, unsigned idx )
  3027. {
  3028. unsigned i;
  3029. for(i=0; i<p->en; ++i)
  3030. if( p->earray[i].varPtr->outVarId == idx )
  3031. return p->earray[i].varPtr;
  3032. return NULL;
  3033. }
  3034. cmRC_t cmScModulatorSetValue( cmScModulator* p, unsigned varSymId, double value, double min, double max )
  3035. {
  3036. cmScModVar_t* vp;
  3037. // if the var does not exist ....
  3038. if((vp = _cmScModSymToVar(p, varSymId )) == NULL )
  3039. {
  3040. // ... then create it
  3041. vp = _cmScModulatorInsertVar(p,varSymId,kCalcModFl);
  3042. assert(vp!=NULL);
  3043. }
  3044. assert( min <= max);
  3045. vp->min = min;
  3046. vp->max = max;
  3047. vp->value = value;
  3048. return cmOkRC;
  3049. }
  3050. cmRC_t cmScModulatorReset( cmScModulator* p, cmCtx_t* ctx, unsigned scLocIdx )
  3051. {
  3052. _cmScModulatorReset(p,ctx,scLocIdx);
  3053. return cmScModulatorExec(p,scLocIdx);
  3054. }
  3055. void _cmScModUnlinkActive( cmScModulator* p, cmScModVar_t* vp, cmScModVar_t* pp )
  3056. {
  3057. // if vp is the first link on the chain
  3058. if( vp == p->alist )
  3059. p->alist = vp->alink;
  3060. // if vp is the last link on the chain
  3061. if( vp == p->elist )
  3062. p->elist = pp;
  3063. if( pp != NULL )
  3064. pp->alink = vp->alink;
  3065. vp->flags = cmClrFlag(vp->flags,kActiveModFl);
  3066. vp->alink = NULL;
  3067. vp->entry = NULL;
  3068. }
  3069. // If the requested parameter has a value then return it in *valPtr.
  3070. // If it does not then do nothing. This function applies scaling to RHS values.
  3071. cmRC_t _cmScModGetParam( cmScModulator* p, const cmScModParam_t* pp, double* valPtr )
  3072. {
  3073. cmRC_t rc = cmOkRC;
  3074. switch( pp->pid )
  3075. {
  3076. case kInvalidModPId:
  3077. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "An invalid parameter was encountered.");
  3078. goto errLabel;
  3079. break;
  3080. case kLiteralModPId:
  3081. *valPtr = pp->val;
  3082. break;
  3083. case kSymbolModPId:
  3084. {
  3085. cmScModVar_t* vp;
  3086. // get a pointer to the parameter variable
  3087. if((vp = _cmScModSymToVar(p, pp->symId )) == NULL )
  3088. {
  3089. rc = cmCtxRtCondition( &p->obj, cmInvalidArgRC, "Variable '%s' not found.",cmSymTblLabel(p->stH,pp->symId));
  3090. goto errLabel;
  3091. }
  3092. // if this is not a 'calculated' paramter then scale it here.
  3093. if( cmIsFlag(vp->flags,kCalcModFl ) && vp->min!=DBL_MAX && vp->max!=DBL_MAX )
  3094. *valPtr = (vp->value - vp->min)/(vp->max-vp->min);
  3095. else
  3096. *valPtr = vp->value;
  3097. }
  3098. break;
  3099. default:
  3100. { assert(0); }
  3101. }
  3102. errLabel:
  3103. return rc;
  3104. }
  3105. // Type specific variable activation -
  3106. cmRC_t _cmScModActivate(cmScModulator* p, cmScModEntry_t* ep )
  3107. {
  3108. cmRC_t rc = cmOkRC;
  3109. cmScModVar_t* vp = ep->varPtr;
  3110. // optionally update the min/max/rate values in the target var
  3111. if( ep->min.pid != kInvalidModPId )
  3112. if((rc = _cmScModGetParam(p,&ep->min,&vp->min)) != cmOkRC )
  3113. goto errLabel;
  3114. if( ep->max.pid != kInvalidModPId )
  3115. if((rc = _cmScModGetParam(p,&ep->max,&vp->max)) != cmOkRC )
  3116. goto errLabel;
  3117. if( ep->rate.pid != kInvalidModPId )
  3118. if((rc = _cmScModGetParam(p,&ep->rate,&vp->rate)) != cmOkRC )
  3119. goto errLabel;
  3120. switch( ep->typeId )
  3121. {
  3122. case kSetModTId:
  3123. break;
  3124. case kLineModTId:
  3125. vp->v0 = vp->value;
  3126. vp->phase = 0;
  3127. break;
  3128. case kSetLineModTId:
  3129. _cmScModGetParam(p,&ep->beg,&vp->value); // starting value
  3130. vp->v0 = vp->value; // set initial value
  3131. vp->phase = 0; // reset phase
  3132. break;
  3133. case kPostModTId:
  3134. p->postFl = vp->value;
  3135. break;
  3136. default:
  3137. { assert(0); }
  3138. }
  3139. errLabel:
  3140. return rc;
  3141. }
  3142. // Callback the application with a new variable value.
  3143. cmRC_t _cmScModExecSendValue( cmScModulator* p, cmScModVar_t* vp )
  3144. {
  3145. cmRC_t rc = cmOkRC;
  3146. bool sendFl = true;
  3147. double v = vp->value;
  3148. // scale the output value - this is equiv to scaling the LHS
  3149. if( cmIsFlag(vp->flags,kCalcModFl) && vp->min!=DBL_MAX && vp->max!=DBL_MAX )
  3150. v = vp->min + v * (vp->max - vp->min);
  3151. // if an output rate throttle is in effect ....
  3152. if( vp->rate!=DBL_MAX && vp->phase!=0 )
  3153. sendFl = remainder(vp->phase*p->samplesPerCycle, p->srate*vp->rate/1000 ) < p->samplesPerCycle;
  3154. if(sendFl)
  3155. p->cbFunc(p->cbArg,vp->varSymId,v,p->postFl);
  3156. return rc;
  3157. }
  3158. // Return true if vp should be deactivated otherwise return false.
  3159. bool _cmScModExec( cmScModulator* p, cmScModVar_t* vp )
  3160. {
  3161. cmRC_t rc = cmOkRC;
  3162. bool fl = false;
  3163. bool sendFl = true;
  3164. switch( vp->entry->typeId )
  3165. {
  3166. case kSetModTId:
  3167. {
  3168. if((rc = _cmScModGetParam(p,&vp->entry->beg,&vp->value)) != cmOkRC )
  3169. goto errLabel;
  3170. vp->phase = 0; // force the value to be sent
  3171. fl = true;
  3172. }
  3173. break;
  3174. case kSetLineModTId:
  3175. case kLineModTId:
  3176. {
  3177. double v1=0, td=0;
  3178. // get the target value
  3179. if((rc = _cmScModGetParam(p,&vp->entry->end,&v1)) != cmOkRC)
  3180. goto errLabel;
  3181. // get the time duration
  3182. if((rc = _cmScModGetParam(p,&vp->entry->dur,&td)) != cmOkRC)
  3183. goto errLabel;
  3184. double v = vp->v0 + (v1-vp->v0) * (vp->phase * p->samplesPerCycle) / (p->srate * td);
  3185. if((fl = (vp->value <= v1 && v >= v1) || (vp->value >= v1 && v <= v1 )) == true )
  3186. v = v1;
  3187. vp->value = v;
  3188. }
  3189. break;
  3190. case kPostModTId:
  3191. sendFl = false;
  3192. break;
  3193. default:
  3194. { assert(0); }
  3195. }
  3196. // notify the application that a new variable value has been generated
  3197. if(sendFl)
  3198. {
  3199. rc = _cmScModExecSendValue(p,vp);
  3200. // increment the phase - after send because send notices when phase is zero
  3201. vp->phase += 1;
  3202. }
  3203. errLabel:
  3204. if( rc != cmOkRC )
  3205. fl = true;
  3206. return fl;
  3207. }
  3208. cmRC_t cmScModulatorExec( cmScModulator* p, unsigned scLocIdx )
  3209. {
  3210. cmRC_t trc;
  3211. cmRC_t rc = cmOkRC;
  3212. // trigger entries that have expired since the last call to this function
  3213. for(; p->nei<p->en && (p->earray[p->nei].scLocIdx==-1 || p->earray[p->nei].scLocIdx<=scLocIdx); ++p->nei)
  3214. {
  3215. cmScModEntry_t* ep = p->earray + p->nei;
  3216. // if the variable assoc'd with this entry is not on the active list ...
  3217. if( cmIsFlag(ep->varPtr->flags,kActiveModFl) == false )
  3218. {
  3219. // ... then append it to the end of the active list ...
  3220. ep->varPtr->flags |= kActiveModFl;
  3221. if( p->elist == NULL )
  3222. p->elist = ep->varPtr;
  3223. else
  3224. {
  3225. p->elist->alink = ep->varPtr;
  3226. p->elist = ep->varPtr;
  3227. }
  3228. p->elist->alink = NULL;
  3229. if( p->alist == NULL )
  3230. p->alist = ep->varPtr;
  3231. }
  3232. // do type specific activation
  3233. if((trc = _cmScModActivate(p,ep)) != cmOkRC )
  3234. rc = trc;
  3235. ep->varPtr->entry = ep;
  3236. }
  3237. // Update the active variables
  3238. cmScModVar_t* pp = NULL;
  3239. cmScModVar_t* vp = p->alist;
  3240. for(; vp!=NULL; vp=vp->alink)
  3241. {
  3242. if( _cmScModExec(p,vp) )
  3243. _cmScModUnlinkActive(p,vp,pp);
  3244. else
  3245. pp = vp;
  3246. }
  3247. return rc;
  3248. }
  3249. void _cmScModDumpParam( cmScModulator* p, const cmChar_t* label, cmScModParam_t* pp )
  3250. {
  3251. printf("%s: ",label);
  3252. switch( pp->pid )
  3253. {
  3254. case kInvalidModPId:
  3255. printf("<invalid>");
  3256. break;
  3257. case kLiteralModPId:
  3258. if( pp->val == DBL_MAX )
  3259. printf("<max> ");
  3260. else
  3261. printf("%f ",pp->val);
  3262. break;
  3263. case kSymbolModPId:
  3264. printf("%s ",cmSymTblLabel(p->stH,pp->symId));
  3265. break;
  3266. default:
  3267. { assert(0); }
  3268. }
  3269. }
  3270. void _cmScModDumpVal( cmChar_t* label, double val )
  3271. {
  3272. printf("%s:",label);
  3273. if( val == DBL_MAX )
  3274. printf("<max> " );
  3275. else
  3276. printf("%f ",val);
  3277. }
  3278. void _cmScModDumpVar( cmScModulator* p, const cmScModVar_t* vp )
  3279. {
  3280. printf("%7s %3i fl:0x%x entry:%p alink:%p ",cmSymTblLabel(p->stH,vp->varSymId),vp->outVarId,vp->flags,vp->entry,vp->alink);
  3281. _cmScModDumpVal("val",vp->value);
  3282. _cmScModDumpVal("min",vp->min);
  3283. _cmScModDumpVal("max",vp->max);
  3284. _cmScModDumpVal("rate",vp->rate);
  3285. _cmScModDumpVal("v0",vp->v0);
  3286. }
  3287. cmRC_t cmScModulatorDump( cmScModulator* p )
  3288. {
  3289. cmRC_t rc = cmOkRC;
  3290. printf("MOD:\n");
  3291. printf("nei:%i alist:%p outVarCnt:%i\n",p->nei,p->alist,p->outVarCnt);
  3292. printf("ENTRIES:\n");
  3293. unsigned i;
  3294. for(i=0; i<p->en; ++i)
  3295. {
  3296. cmScModEntry_t* ep = p->earray + i;
  3297. printf("%3i %4i %2i %7s ", i, ep->scLocIdx, ep->typeId, cmSymTblLabel(p->stH,ep->varPtr->varSymId));
  3298. _cmScModDumpParam(p," beg", &ep->beg);
  3299. _cmScModDumpParam(p," end", &ep->end);
  3300. _cmScModDumpParam(p," min", &ep->min);
  3301. _cmScModDumpParam(p," max", &ep->max);
  3302. _cmScModDumpParam(p," rate",&ep->rate);
  3303. printf("\n");
  3304. }
  3305. printf("VARIABLES\n");
  3306. cmScModVar_t* vp = p->vlist;
  3307. for(; vp!=NULL; vp=vp->vlink)
  3308. {
  3309. _cmScModDumpVar(p,vp);
  3310. printf("\n");
  3311. }
  3312. return rc;
  3313. }
  3314. //=======================================================================================================================
  3315. cmRecdPlay* cmRecdPlayAlloc( cmCtx* c, cmRecdPlay* p, double srate, unsigned fragCnt, unsigned chCnt, double initFragSecs, double maxLaSecs, double curLaSecs )
  3316. {
  3317. cmRecdPlay* op = cmObjAlloc(cmRecdPlay,c,p);
  3318. if( cmRecdPlayInit(op,srate,fragCnt,chCnt,initFragSecs,maxLaSecs,curLaSecs) != cmOkRC )
  3319. cmRecdPlayFree(&op);
  3320. return op;
  3321. }
  3322. cmRC_t cmRecdPlayFree( cmRecdPlay** pp )
  3323. {
  3324. cmRC_t rc = cmOkRC;
  3325. if( pp==NULL || *pp==NULL )
  3326. return rc;
  3327. cmRecdPlay* p = *pp;
  3328. if((rc = cmRecdPlayFinal(p)) != cmOkRC )
  3329. return rc;
  3330. cmObjFree(pp);
  3331. return rc;
  3332. }
  3333. cmRC_t cmRecdPlayInit( cmRecdPlay* p, double srate, unsigned fragCnt, unsigned chCnt, double initFragSecs, double maxLaSecs, double curLaSecs )
  3334. {
  3335. cmRC_t rc;
  3336. unsigned i;
  3337. if( curLaSecs > maxLaSecs )
  3338. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The initial look-ahead time %f is greater than the maximum look-ahead time %f.",curLaSecs,maxLaSecs);
  3339. if((rc = cmRecdPlayFinal(p)) != cmOkRC )
  3340. return rc;
  3341. if( chCnt == 0 )
  3342. return cmOkRC;
  3343. p->frags = cmMemAllocZ(cmRecdPlayFrag,fragCnt);
  3344. p->fragCnt = fragCnt;
  3345. p->srate = srate;
  3346. p->chCnt = chCnt;
  3347. p->initFragSecs = initFragSecs;
  3348. p->maxLaSmpCnt = floor(maxLaSecs*srate);
  3349. p->curLaSmpCnt = floor(curLaSecs*srate);
  3350. p->laChs = cmMemAllocZ(cmSample_t*,chCnt);
  3351. p->laSmpIdx = 0;
  3352. for(i=0; i<chCnt; ++i)
  3353. p->laChs[i] = cmMemAllocZ(cmSample_t,p->maxLaSmpCnt);
  3354. return rc;
  3355. }
  3356. cmRC_t cmRecdPlayFinal( cmRecdPlay* p )
  3357. {
  3358. unsigned i,j;
  3359. // free the fragments
  3360. for(i=0; i<p->fragCnt; ++i)
  3361. {
  3362. for(j=0; j<p->chCnt; ++j)
  3363. cmMemFree(p->frags[i].chArray[j]);
  3364. cmMemFree(p->frags[i].chArray);
  3365. }
  3366. // free the look-ahead buffers
  3367. for(i=0; i<p->chCnt; ++i)
  3368. cmMemFree(p->laChs[i]);
  3369. cmMemPtrFree(&p->laChs);
  3370. cmMemPtrFree(&p->frags);
  3371. p->fragCnt = 0;
  3372. p->chCnt = 0;
  3373. p->rlist = NULL;
  3374. p->plist = NULL;
  3375. return cmOkRC;
  3376. }
  3377. cmRC_t cmRecdPlayRegisterFrag( cmRecdPlay* p, unsigned fragIdx, unsigned labelSymId )
  3378. {
  3379. assert( fragIdx < p->fragCnt );
  3380. unsigned i;
  3381. p->frags[ fragIdx ].labelSymId = labelSymId;
  3382. p->frags[ fragIdx ].chArray = cmMemResizeZ(cmSample_t*,p->frags[fragIdx].chArray,p->chCnt);
  3383. for(i=0; i<p->chCnt; ++i)
  3384. {
  3385. p->frags[ fragIdx ].allocCnt = floor(p->initFragSecs * p->srate);
  3386. p->frags[ fragIdx ].chArray[i] = cmMemResizeZ(cmSample_t,p->frags[ fragIdx ].chArray[i],p->frags[fragIdx].allocCnt);
  3387. }
  3388. return cmOkRC;
  3389. }
  3390. cmRC_t cmRecdPlaySetLaSecs( cmRecdPlay* p, double curLaSecs )
  3391. {
  3392. p->curLaSmpCnt = floor(curLaSecs*p->srate);
  3393. return cmOkRC;
  3394. }
  3395. cmRC_t cmRecdPlayRewind( cmRecdPlay* p )
  3396. {
  3397. unsigned i;
  3398. // zero the look-ahead buffers
  3399. p->laSmpIdx = 0;
  3400. for(i=0; i<p->chCnt; ++i)
  3401. cmVOS_Zero(p->laChs[i],p->maxLaSmpCnt);
  3402. // remove all the active players
  3403. while( p->plist != NULL )
  3404. cmRecdPlayEndPlay(p,p->plist->labelSymId);
  3405. // remove all the active recorders
  3406. while( p->rlist != NULL )
  3407. cmRecdPlayEndRecord(p,p->rlist->labelSymId);
  3408. // rewind all the fragments play posn.
  3409. for(i=0; i<p->fragCnt; ++i)
  3410. p->frags[i].playIdx = 0;
  3411. return cmOkRC;
  3412. }
  3413. cmRC_t cmRecdPlayBeginRecord( cmRecdPlay* p, unsigned labelSymId )
  3414. {
  3415. unsigned i;
  3416. for(i=0; i<p->fragCnt; ++i)
  3417. if( p->frags[i].labelSymId == labelSymId )
  3418. {
  3419. // if the frag is not already on the recd list
  3420. if( p->frags[i].rlink == NULL )
  3421. {
  3422. p->frags[i].recdIdx = 0;
  3423. p->frags[i].playIdx = 0;
  3424. p->frags[i].rlink = p->rlist;
  3425. p->rlist = p->frags + i;
  3426. // handle LA buf longer than frag buf.
  3427. int cpyCnt = cmMin(p->curLaSmpCnt,p->frags[i].allocCnt);
  3428. // go backwards in LA buf from newest sample to find init src offset
  3429. int srcOffs = p->laSmpIdx - cpyCnt;
  3430. // if the src is before the first sample in the LA buf then wrap to end of buf
  3431. if( srcOffs < 0 )
  3432. srcOffs += p->maxLaSmpCnt;
  3433. assert( 0 <= srcOffs && srcOffs < p->maxLaSmpCnt );
  3434. // cnt of samples to copy from LA buf (limited by end of LA buf)
  3435. int n0 = cmMin(cpyCnt,p->maxLaSmpCnt - srcOffs);
  3436. // if necessary wrap to begin of LA buf for remaining samples
  3437. int n1 = cpyCnt>n0 ? n1 = cpyCnt-n0 : 0;
  3438. int j;
  3439. assert(n0+n1 == cpyCnt );
  3440. for(j=0; j<p->chCnt; ++j)
  3441. cmVOS_Copy(p->frags[i].chArray[j],n0,p->laChs[j]+srcOffs);
  3442. if( n1 > 0 )
  3443. {
  3444. for(j=0; j<p->chCnt; ++j)
  3445. cmVOS_Copy(p->frags[i].chArray[j]+n0,n1,p->laChs[j]);
  3446. }
  3447. p->frags[i].recdIdx = cpyCnt;
  3448. p->frags[i].playIdx = 0;
  3449. }
  3450. return cmOkRC;
  3451. }
  3452. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'begin record'.",labelSymId);
  3453. }
  3454. cmRC_t cmRecdPlayEndRecord( cmRecdPlay* p, unsigned labelSymId )
  3455. {
  3456. cmRecdPlayFrag* fp = p->rlist;
  3457. cmRecdPlayFrag* pp = NULL;
  3458. for(; fp != NULL; fp=fp->rlink )
  3459. {
  3460. if( fp->labelSymId == labelSymId )
  3461. {
  3462. if( pp == NULL )
  3463. p->rlist = fp->rlink;
  3464. else
  3465. pp->rlink = fp->rlink;
  3466. fp->rlink = NULL;
  3467. return cmOkRC;
  3468. }
  3469. pp = fp;
  3470. }
  3471. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'end record'.",labelSymId);
  3472. }
  3473. cmRC_t cmRecdPlayInsertRecord(cmRecdPlay* p, unsigned labelSymId, const cmChar_t* wavFn )
  3474. {
  3475. cmRC_t rc = cmOkRC;
  3476. unsigned i;
  3477. for(i=0; i<p->fragCnt; ++i)
  3478. if( p->frags[i].labelSymId == labelSymId )
  3479. {
  3480. cmAudioFileH_t afH = cmNullAudioFileH;
  3481. cmAudioFileInfo_t afInfo;
  3482. cmRC_t afRC = kOkAfRC;
  3483. // open the audio file
  3484. if( cmAudioFileIsValid( afH = cmAudioFileNewOpen(wavFn, &afInfo, &afRC, p->obj.err.rpt )) == false )
  3485. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The audio file '%s' could not be opened'.",cmStringNullGuard(wavFn));
  3486. // ignore blank
  3487. if( afInfo.frameCnt == 0 )
  3488. return cmOkRC;
  3489. // allocate buffer space
  3490. unsigned j;
  3491. for(j=0; j<p->chCnt; ++j)
  3492. p->frags[i].chArray[j] = cmMemResize(cmSample_t,p->frags[i].chArray[j],afInfo.frameCnt);
  3493. p->frags[i].allocCnt = afInfo.frameCnt;
  3494. // read samples into the buffer space
  3495. unsigned chIdx = 0;
  3496. unsigned chCnt = cmMin(p->chCnt,afInfo.chCnt);
  3497. unsigned actFrmCnt = 0;
  3498. if( cmAudioFileReadSample(afH,afInfo.frameCnt,chIdx,chCnt,p->frags[i].chArray, &actFrmCnt) != kOkAfRC )
  3499. return cmCtxRtCondition(&p->obj, cmSubSysFailRC, "Read failed on the audio file '%s'.",cmStringNullGuard(wavFn));
  3500. p->frags[i].recdIdx = actFrmCnt;
  3501. return rc;
  3502. }
  3503. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'begin record'.",labelSymId);
  3504. }
  3505. cmRC_t cmRecdPlayBeginPlay( cmRecdPlay* p, unsigned labelSymId )
  3506. {
  3507. unsigned i;
  3508. for(i=0; i<p->fragCnt; ++i)
  3509. if( p->frags[i].labelSymId == labelSymId )
  3510. {
  3511. // if the frag is not already on the play list
  3512. if( p->frags[i].plink == NULL )
  3513. {
  3514. p->frags[i].playIdx = 0;
  3515. p->frags[i].fadeSmpIdx = 0;
  3516. p->frags[i].fadeDbPerSec = 0.0;
  3517. p->frags[i].plink = p->plist;
  3518. p->plist = p->frags + i;
  3519. }
  3520. return cmOkRC;
  3521. }
  3522. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'begin play'.",labelSymId);
  3523. }
  3524. cmRC_t cmRecdPlayEndPlay( cmRecdPlay* p, unsigned labelSymId )
  3525. {
  3526. cmRecdPlayFrag* fp = p->plist;
  3527. cmRecdPlayFrag* pp = NULL;
  3528. for(; fp != NULL; fp=fp->plink )
  3529. {
  3530. if( fp->labelSymId == labelSymId )
  3531. {
  3532. if( pp == NULL )
  3533. p->plist = fp->plink;
  3534. else
  3535. pp->plink = fp->plink;
  3536. fp->plink = NULL;
  3537. return cmOkRC;
  3538. }
  3539. pp = fp;
  3540. }
  3541. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'end play'.",labelSymId);
  3542. }
  3543. cmRC_t cmRecdPlayBeginFade( cmRecdPlay* p, unsigned labelSymId, double fadeDbPerSec )
  3544. {
  3545. cmRecdPlayFrag* fp = p->plist;
  3546. for(; fp != NULL; fp=fp->plink )
  3547. if( fp->labelSymId == labelSymId )
  3548. {
  3549. fp->fadeDbPerSec = -fabs(fadeDbPerSec);
  3550. return cmOkRC;
  3551. }
  3552. return cmCtxRtCondition( &p->obj, cmInvalidArgRC, "The fragment label symbol id '%i' not found for 'fade begin'.",labelSymId);
  3553. }
  3554. cmRC_t cmRecdPlayExec( cmRecdPlay* p, const cmSample_t** iChs, cmSample_t** oChs, unsigned chCnt, unsigned smpCnt )
  3555. {
  3556. unsigned i;
  3557. chCnt = cmMin(chCnt, p->chCnt);
  3558. //-------------------------------------------------------------------
  3559. // copy incoming audio into the look-ahead buffers
  3560. //
  3561. // if the number of incoming samples is longer than the look-head buffer
  3562. // then copy exactly maxLaSmpCnt samples from the end of the incoming sample
  3563. // buffer to the look-ahead buffer.
  3564. unsigned srcOffs = 0;
  3565. unsigned srcSmpCnt = smpCnt;
  3566. if( srcSmpCnt > p->maxLaSmpCnt )
  3567. {
  3568. // advance incoming sample buffer so that there are maxLaSmpCnt samples remaining
  3569. srcOffs = srcSmpCnt-p->maxLaSmpCnt;
  3570. srcSmpCnt = p->maxLaSmpCnt; // decrease the total samples to copy
  3571. }
  3572. // count of samples from cur posn to end of the LA buffer.
  3573. unsigned n0 = cmMin(srcSmpCnt, p->maxLaSmpCnt - p->laSmpIdx );
  3574. // count of samples past the end of the LA buffer to be wrapped into begin of buffer
  3575. unsigned n1 = srcSmpCnt>n0 ? srcSmpCnt-n0 : 0;
  3576. assert(n0+n1 == srcSmpCnt);
  3577. // copy first block to end of LA buffer
  3578. for(i=0; i<chCnt; ++i)
  3579. cmVOS_Copy(p->laChs[i]+p->laSmpIdx,n0,iChs[i] + srcOffs);
  3580. p->laSmpIdx += n0;
  3581. if( n1!=0)
  3582. {
  3583. // copy second block to begin of LA buffer
  3584. for(i=0; i<chCnt; ++i)
  3585. cmVOS_Copy(p->laChs[i],n1,iChs[i] + srcOffs + n0);
  3586. p->laSmpIdx = n1;
  3587. }
  3588. //-------------------------------------------------------------------
  3589. // copy incoming audio into the active record buffers
  3590. //
  3591. cmRecdPlayFrag* fp = p->rlist;
  3592. for(; fp!=NULL; fp=fp->rlink)
  3593. {
  3594. assert( fp->recdIdx <= fp->allocCnt);
  3595. unsigned n = cmMin(fp->allocCnt - fp->recdIdx,smpCnt);
  3596. unsigned i;
  3597. for(i=0; i<p->chCnt; ++i)
  3598. cmVOS_Copy(fp->chArray[i] + fp->recdIdx, n, iChs[i] );
  3599. fp->recdIdx += n;
  3600. }
  3601. //-------------------------------------------------------------------
  3602. // copy outgoing audio out of the active play buffers
  3603. //
  3604. fp = p->plist;
  3605. for(; fp!=NULL; fp=fp->rlink)
  3606. {
  3607. assert( fp->playIdx <= fp->recdIdx);
  3608. double gain = pow(10.0,((fp->fadeSmpIdx / p->srate) * fp->fadeDbPerSec)/20.0);
  3609. unsigned n = cmMin(fp->recdIdx - fp->playIdx,smpCnt);
  3610. unsigned i;
  3611. for(i=0; i<p->chCnt; ++i)
  3612. cmVOS_MultVVS(oChs[i],n,fp->chArray[i] + fp->playIdx,gain);
  3613. fp->playIdx += n;
  3614. // if a fade rate has been set then advance the fade phase
  3615. if(fp->fadeDbPerSec!=0.0)
  3616. fp->fadeSmpIdx += smpCnt;
  3617. }
  3618. return cmOkRC;
  3619. }