libcm is a C development framework with an emphasis on audio signal processing applications.
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  1. #include "cmGlobal.h"
  2. #include "cmFloatTypes.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 "cmJson.h"
  10. #include "cmAudioFile.h"
  11. #include "cmMidi.h"
  12. #include "cmMidiFile.h"
  13. #include "cmFileSys.h"
  14. #include "cmTimeLine.h"
  15. // id's used to track the type of a serialized object
  16. enum
  17. {
  18. kMsgTlId,
  19. kObjTlId
  20. };
  21. //
  22. typedef struct _cmTlMsg_str
  23. {
  24. unsigned typeId; // always set to kMsgTlId
  25. cmTlUiMsgTypeId_t msgId; //
  26. double srate;
  27. unsigned seqCnt;
  28. unsigned seqId;
  29. } _cmTlMsg_t;
  30. typedef struct _cmTlObj_str
  31. {
  32. void* mem;
  33. unsigned memByteCnt;
  34. cmTlObj_t* obj;
  35. struct _cmTlObj_str* prev;
  36. struct _cmTlObj_str* next;
  37. } _cmTlObj_t;
  38. typedef struct
  39. {
  40. _cmTlObj_t* first;
  41. _cmTlObj_t* last;
  42. } _cmTlSeq_t;
  43. typedef struct
  44. {
  45. cmErr_t err;
  46. cmCtx_t ctx;
  47. cmLHeapH_t lH;
  48. double srate;
  49. unsigned nextSeqId;
  50. cmTlCb_t cbFunc;
  51. void* cbArg;
  52. cmChar_t* prefixPath;
  53. unsigned nextUId;
  54. char* tmpBuf;
  55. unsigned seqCnt;
  56. _cmTlSeq_t* seq; // seq[seqCnt]
  57. const cmChar_t* filename;
  58. } _cmTl_t;
  59. typedef struct
  60. {
  61. char label[8];
  62. unsigned id;
  63. } _cmTlId_t;
  64. _cmTlId_t _cmTlIdArray[] =
  65. {
  66. { "mf", kMidiFileTlId },
  67. { "me", kMidiEvtTlId },
  68. { "af", kAudioFileTlId },
  69. { "ae", kAudioEvtTlId },
  70. { "mk", kMarkerTlId },
  71. { "", cmInvalidId }
  72. };
  73. cmTlH_t cmTimeLineNullHandle = cmSTATIC_NULL_HANDLE;
  74. _cmTl_t* _cmTlHandleToPtr( cmTlH_t h )
  75. {
  76. _cmTl_t* p = (_cmTl_t*)h.h;
  77. assert( p != NULL );
  78. return p;
  79. }
  80. _cmTlId_t* _cmTlIdLabelToRecd( _cmTl_t* p, const cmChar_t* label )
  81. {
  82. unsigned i;
  83. if( label != NULL )
  84. for(i=0; _cmTlIdArray[i].id != cmInvalidId; ++i)
  85. if( strcmp(_cmTlIdArray[i].label,label) == 0 )
  86. return _cmTlIdArray + i;
  87. return NULL;
  88. }
  89. _cmTlId_t* _cmTlIdToRecd( _cmTl_t* p, unsigned id )
  90. {
  91. unsigned i;
  92. for(i=0; _cmTlIdArray[i].id != cmInvalidId; ++i)
  93. if( _cmTlIdArray[i].id == id )
  94. return _cmTlIdArray + i;
  95. return NULL;
  96. }
  97. const cmChar_t* _cmTlIdToLabel( _cmTl_t* p, unsigned id )
  98. {
  99. _cmTlId_t* rp;
  100. if((rp = _cmTlIdToRecd(p,id)) != NULL )
  101. return rp->label;
  102. return "";
  103. }
  104. unsigned _cmTlIdLabelToId( _cmTl_t* p, const cmChar_t* label )
  105. {
  106. _cmTlId_t* rp;
  107. if((rp = _cmTlIdLabelToRecd(p,label)) != NULL )
  108. return rp->id;
  109. return cmInvalidId;
  110. }
  111. // cast a generic object to a midi file object
  112. cmTlMidiFile_t* _cmTlMidiFileObjPtr( _cmTl_t* p, cmTlObj_t* op, bool errFl )
  113. {
  114. if( op->typeId != kMidiFileTlId )
  115. {
  116. if( errFl && p != NULL)
  117. cmErrMsg(&p->err,kTypeCvtFailTlRC,"A time line object type promotion failed.");
  118. return NULL;
  119. }
  120. return (cmTlMidiFile_t*)op;
  121. }
  122. // cast a generic object to a midi event object
  123. cmTlMidiEvt_t* _cmTlMidiEvtObjPtr( _cmTl_t* p, cmTlObj_t* op, bool errFl )
  124. {
  125. if( op->typeId != kMidiEvtTlId )
  126. {
  127. if( errFl && p != NULL )
  128. cmErrMsg(&p->err,kTypeCvtFailTlRC,"A time line object type promotion failed.");
  129. return NULL;
  130. }
  131. return (cmTlMidiEvt_t*)op;
  132. }
  133. // case a generic object to an audio file object
  134. cmTlAudioFile_t* _cmTlAudioFileObjPtr( _cmTl_t* p, cmTlObj_t* op, bool errFl )
  135. {
  136. if( op->typeId != kAudioFileTlId )
  137. {
  138. if( errFl && p != NULL)
  139. cmErrMsg(&p->err,kTypeCvtFailTlRC,"A time line object type promotion failed.");
  140. return NULL;
  141. }
  142. return (cmTlAudioFile_t*)op;
  143. }
  144. // cast a generic object an audio event object to
  145. cmTlAudioEvt_t* _cmTlAudioEvtObjPtr( _cmTl_t* p, cmTlObj_t* op, bool errFl )
  146. {
  147. if( op->typeId != kAudioEvtTlId )
  148. {
  149. if( errFl && p != NULL)
  150. cmErrMsg(&p->err,kTypeCvtFailTlRC,"A time line object type promotion failed.");
  151. return NULL;
  152. }
  153. return (cmTlAudioEvt_t*)op;
  154. }
  155. // cast a generic object to a marker object
  156. cmTlMarker_t* _cmTlMarkerObjPtr( _cmTl_t* p, cmTlObj_t* op, bool errFl )
  157. {
  158. if( op->typeId != kMarkerTlId )
  159. {
  160. if( errFl && p != NULL)
  161. cmErrMsg(&p->err,kTypeCvtFailTlRC,"A time line object type promotion failed.");
  162. return NULL;
  163. }
  164. return (cmTlMarker_t*)op;
  165. }
  166. cmTlMidiFile_t* _cmTimeLineMidiFileObjPtr( _cmTl_t* p, cmTlObj_t* op )
  167. { return _cmTlMidiFileObjPtr(p,op,true); }
  168. cmTlMidiEvt_t* _cmTimeLineMidiEvtObjPtr( _cmTl_t* p, cmTlObj_t* op )
  169. { return _cmTlMidiEvtObjPtr(p,op,true); }
  170. cmTlAudioFile_t* _cmTimeLineAudioFileObjPtr( _cmTl_t* p, cmTlObj_t* op )
  171. { return _cmTlAudioFileObjPtr(p,op,true);}
  172. cmTlAudioEvt_t* _cmTimeLineAudioEvtObjPtr( _cmTl_t* p, cmTlObj_t* op )
  173. { return _cmTlAudioEvtObjPtr(p,op,true);}
  174. cmTlMarker_t* _cmTimeLineMarkerObjPtr( _cmTl_t* p, cmTlObj_t* op )
  175. { return _cmTlMarkerObjPtr(p,op,true);}
  176. // Locate a record which matches 'name' and (optionally) 'seqId'
  177. _cmTlObj_t* _cmTlFindRecd( _cmTl_t* p, unsigned seqId, const cmChar_t* name )
  178. {
  179. if( name == NULL )
  180. return NULL;
  181. unsigned i;
  182. for(i=0; i<p->seqCnt; ++i)
  183. if( seqId==cmInvalidId || seqId == i )
  184. {
  185. _cmTlObj_t* op = p->seq[i].first;
  186. while(op != NULL)
  187. {
  188. if( strcmp(op->obj->name,name) == 0 )
  189. return op;
  190. op = op->next;
  191. }
  192. }
  193. return NULL;
  194. }
  195. // Returns true if 'op' is a child of 'ref'.
  196. bool _cmTlIsChild( _cmTlObj_t* ref, _cmTlObj_t* op )
  197. {
  198. // if 'op' is not active then it can't be a child
  199. if( op->obj == NULL )
  200. return false;
  201. // if 'ref' is NULL then match obj's which do not have a parent
  202. if( ref == NULL )
  203. return op->obj->ref == NULL;
  204. // if 'ref' is the parent of 'op'.
  205. return op->obj->ref == ref->obj;
  206. }
  207. // calc the absolute start time of this object by adding the
  208. // time time offsets of all ancestors.
  209. int _cmTlStartTime( const cmTlObj_t* obj )
  210. {
  211. assert( obj != NULL );
  212. int t = 0;
  213. do
  214. {
  215. t += obj->begSmpIdx;
  216. obj=obj->ref;
  217. }while( obj != NULL);
  218. return t;
  219. }
  220. // Locate the closest record which is before 'np'.
  221. // When multiple records have the same distance to 'np' then the last one inserted
  222. // is taken as the closest. This way records with equal time values will be
  223. // secondarily sequenced on their order of insertion.
  224. _cmTlObj_t* _cmTlFindRecdBefore( _cmTl_t* p, const _cmTlObj_t* np )
  225. {
  226. assert( np->obj!=NULL && np->obj->seqId < p->seqCnt );
  227. // calc the absolute time of this object
  228. //int absSmpIdx = _cmTlStartTime(np->obj);
  229. int rsi = 0;
  230. _cmTlObj_t* rp = NULL;
  231. _cmTlObj_t* op = p->seq[np->obj->seqId].first;
  232. //printf("type:%i %i\n",np->obj->typeId,absSmpIdx);
  233. // for each object in the list ...
  234. while( op != NULL )
  235. {
  236. int csi;
  237. //if( op!=np && op->obj!=NULL && (csi = _cmTlStartTime(op->obj)) <= absSmpIdx )
  238. if( (op!=np) && (op->obj!=NULL) && ((csi = op->obj->seqSmpIdx) <= np->obj->seqSmpIdx) )
  239. {
  240. if( rp == NULL || csi >= rsi )
  241. {
  242. rp = op;
  243. rsi = csi;
  244. }
  245. }
  246. op = op->next;
  247. }
  248. return rp;
  249. }
  250. // Mark 'op' and all children of 'op' for deletion.
  251. // Note that this function is recursive.
  252. cmTlRC_t _cmTlDeleteDependentRecds( _cmTl_t* p, _cmTlObj_t* op )
  253. {
  254. assert( op->obj!=NULL && op->obj->seqId < p->seqCnt );
  255. cmTlRC_t rc = kOkTlRC;
  256. _cmTlObj_t* dp = p->seq[op->obj->seqId].first;
  257. // mark all recd's that are children of 'op' for deletion
  258. while( dp != NULL )
  259. {
  260. // if 'dp' is a child of 'op'.
  261. if( _cmTlIsChild(op,dp) )
  262. if(( rc = _cmTlDeleteDependentRecds(p,dp)) != kOkTlRC )
  263. return rc;
  264. dp = dp->next;
  265. }
  266. // release any resources held by 'op'.
  267. switch(op->obj->typeId)
  268. {
  269. case kMidiFileTlId:
  270. {
  271. cmTlMidiFile_t* mp = _cmTimeLineMidiFileObjPtr(p,op->obj);
  272. cmMidiFileClose(&mp->h);
  273. }
  274. break;
  275. case kMidiEvtTlId:
  276. break;
  277. case kAudioFileTlId:
  278. {
  279. cmTlAudioFile_t* ap = _cmTimeLineAudioFileObjPtr(p,op->obj);
  280. cmAudioFileDelete(&ap->h);
  281. }
  282. break;
  283. case kAudioEvtTlId:
  284. break;
  285. case kMarkerTlId:
  286. break;
  287. default:
  288. return cmErrMsg(&p->err,kUnknownRecdTypeTlRC,"An unknown time line object type (%i) was encounterned during object deletion.",op->obj->typeId);
  289. }
  290. // mark 'op' as deleted by setting op->obj to NULL
  291. op->obj = NULL;
  292. return kOkTlRC;
  293. }
  294. // Delete 'op' and all of its dependents.
  295. cmTlRC_t _cmTlDeleteRecd( _cmTl_t* p, _cmTlObj_t* op )
  296. {
  297. if( op == NULL )
  298. return kOkTlRC;
  299. assert( op->obj!=NULL && op->obj->seqId < p->seqCnt );
  300. cmTlRC_t rc;
  301. _cmTlSeq_t* s = p->seq + op->obj->seqId;
  302. // mark this object and any objecs which are dependent on it for deletion
  303. if((rc =_cmTlDeleteDependentRecds(p,op)) != kOkTlRC )
  304. return rc;
  305. // unlink and delete and records marked for deletion
  306. op = s->first;
  307. while( op )
  308. {
  309. _cmTlObj_t* tp = op->next;
  310. // if this object is marked for deletion unlink it from this master list
  311. if( op->obj == NULL )
  312. {
  313. if( op->next != NULL )
  314. op->next->prev = op->prev;
  315. else
  316. {
  317. assert( s->last == op );
  318. s->last = op->prev;
  319. }
  320. if( op->prev != NULL )
  321. op->prev->next = op->next;
  322. else
  323. {
  324. assert( s->first == op );
  325. s->first = op->next;
  326. }
  327. // free the record
  328. cmLhFreePtr(p->lH,(void**)&op->mem);
  329. }
  330. op = tp;
  331. }
  332. return rc;
  333. }
  334. // Insert 'op' after 'bp'.
  335. // If 'bp' is NULL then 'op' is inserted as p->seq[op->seqId].first.
  336. void _cmTlInsertAfter( _cmTl_t* p, _cmTlObj_t* bp, _cmTlObj_t* op )
  337. {
  338. assert( op->obj!=NULL && op->obj->seqId < p->seqCnt );
  339. _cmTlSeq_t* s = p->seq + op->obj->seqId;
  340. op->prev = bp;
  341. // if op is being inserted at the beginning of the list
  342. if( bp == NULL )
  343. {
  344. op->next = s->first;
  345. if( s->first != NULL )
  346. s->first->prev = op;
  347. s->first = op;
  348. }
  349. else // op is being inserted in the middle or end of the list
  350. {
  351. op->next = bp->next;
  352. if( bp->next != NULL )
  353. bp->next->prev = op;
  354. else
  355. {
  356. // insertion at end
  357. assert( bp == s->last );
  358. s->last = op;
  359. }
  360. bp->next = op;
  361. }
  362. if( s->last == NULL )
  363. s->last = op;
  364. if( s->first == NULL )
  365. s->first = op;
  366. }
  367. // Allocate an object record
  368. cmTlRC_t _cmTlAllocRecd2(
  369. _cmTl_t* p,
  370. const cmChar_t* nameStr, // NULL, empty or unique name
  371. _cmTlObj_t* refPtr, // parent object
  372. int begSmpIdx, // start time
  373. unsigned durSmpCnt, // duration
  374. unsigned typeId, // object type id
  375. unsigned seqId, // owning seq
  376. unsigned recdByteCnt, // byte for type specific data to follow _cmTlObj_t data
  377. _cmTlObj_t** opp ) // return pointer
  378. {
  379. *opp = NULL;
  380. if( nameStr == NULL )
  381. nameStr = "";
  382. // get the length of the recd name field
  383. unsigned nameByteCnt = strlen(nameStr)+1;
  384. // verify that the name was not already used by another recd
  385. if( nameByteCnt>1 && _cmTlFindRecd(p,seqId,nameStr) != NULL )
  386. return cmErrMsg(&p->err,kDuplNameTlRC,"The object identifier '%s' was already used.",nameStr);
  387. assert( refPtr==NULL || refPtr->obj !=NULL );
  388. if( refPtr != NULL && refPtr->obj->seqId != seqId )
  389. return cmErrMsg(&p->err,kInvalidSeqIdTlRC,"The sequence id of the reference object (%i) does not match the sequence id (%i) of the new object (label:%s).",refPtr->obj->seqId,seqId,cmStringNullGuard(nameStr));
  390. if( seqId >= p->seqCnt )
  391. {
  392. // assume the sequence id's arrive in increasing order
  393. assert( seqId == p->seqCnt );
  394. assert( refPtr == NULL );
  395. p->seqCnt = seqId+1;
  396. p->seq = cmMemResizePZ(_cmTlSeq_t,p->seq,p->seqCnt);
  397. }
  398. // calc the total size of the recd. memory layout: [name /0 _cmTlObj_t cmTlObj_t <type specific fields> ]
  399. unsigned byteCnt = sizeof(unsigned) + sizeof(unsigned) + nameByteCnt + sizeof(_cmTlObj_t) + recdByteCnt;
  400. void* mem = cmLHeapAllocZ( p->lH, byteCnt );
  401. unsigned* tidPtr = (unsigned*)mem;
  402. unsigned* parentIdPtr = tidPtr + 1;
  403. cmChar_t* name = (cmChar_t*)(parentIdPtr + 1);
  404. _cmTlObj_t* op = (_cmTlObj_t*)(name + nameByteCnt);
  405. cmTlObj_t* tp = (cmTlObj_t*)(op+1);
  406. // The entire object is contained in mem[]
  407. // Memory Layout:
  408. // kObjTlId parentId name[] \0 _cmTlObj_t cmTlObj_t [recdByteCnt - sizeof(cmTlObj_t)]
  409. strcpy(name,nameStr);
  410. // the first element in the mem[] buffer must be kObjTlId - this allows
  411. // mem[] to be used directly as the serialized version of the buffer.
  412. *tidPtr = kObjTlId;
  413. *parentIdPtr = refPtr==NULL ? cmInvalidId : refPtr->obj->uid;
  414. tp->reserved = op;
  415. tp->seqId = seqId;
  416. tp->name = name;
  417. tp->uid = p->nextUId++;
  418. tp->typeId = typeId;
  419. tp->ref = refPtr==NULL ? NULL : refPtr->obj;
  420. tp->begSmpIdx = refPtr==NULL ? 0 : begSmpIdx;
  421. tp->durSmpCnt = durSmpCnt;
  422. tp->seqSmpIdx = refPtr==NULL ? 0 : refPtr->obj->seqSmpIdx + begSmpIdx;
  423. tp->flags = 0;
  424. tp->text = NULL;
  425. op->obj = tp;
  426. op->mem = mem;
  427. op->memByteCnt = byteCnt;
  428. op->next = NULL;
  429. op->prev = NULL;
  430. //if( seqId == 4 )
  431. // printf("seq:%i id:%i type:%i accum:%i ref:%i offs:%i %f\n",seqId, tp->uid, tp->typeId, tp->seqSmpIdx, refPtr==NULL?-1:refPtr->obj->uid, begSmpIdx, begSmpIdx/(96000.0*60.0) );
  432. _cmTlInsertAfter(p, _cmTlFindRecdBefore(p,op), op );
  433. *opp = op;
  434. return kOkTlRC;
  435. }
  436. cmTlRC_t _cmTlAllocRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmChar_t* refIdStr, int begSmpIdx, unsigned durSmpCnt, unsigned typeId, unsigned seqId, unsigned recdByteCnt, _cmTlObj_t** opp )
  437. {
  438. // locate the obj recd that this recd is part of (the parent recd)
  439. _cmTlObj_t* refPtr = _cmTlFindRecd(p,seqId,refIdStr);
  440. // if this obj has a parent but it was not found
  441. if( refPtr == NULL && refIdStr!=NULL && strlen(refIdStr)>0 )
  442. return cmErrMsg(&p->err,kRefNotFoundTlRC,"Reference identifier '%s' not found for object '%s'.",refIdStr,cmStringNullGuard(nameStr));
  443. return _cmTlAllocRecd2(p,nameStr,refPtr,begSmpIdx,durSmpCnt,typeId,seqId,recdByteCnt,opp);
  444. }
  445. void _cmTlNotifyListener( _cmTl_t* p, cmTlUiMsgTypeId_t msgTypeId, _cmTlObj_t* op, unsigned seqId )
  446. {
  447. if( p->cbFunc == NULL )
  448. return;
  449. switch( msgTypeId )
  450. {
  451. case kInitMsgTlId:
  452. case kFinalMsgTlId:
  453. case kDoneMsgTlId:
  454. {
  455. _cmTlMsg_t m;
  456. m.typeId = kMsgTlId;
  457. m.msgId = msgTypeId;
  458. m.srate = p->srate;
  459. m.seqCnt = p->seqCnt;
  460. m.seqId = seqId;
  461. p->cbFunc( p->cbArg, &m, sizeof(m) );
  462. }
  463. break;
  464. case kInsertMsgTlId:
  465. if( op != NULL )
  466. p->cbFunc( p->cbArg, op->mem, op->memByteCnt );
  467. break;
  468. default:
  469. { assert(0); }
  470. }
  471. }
  472. cmTlRC_t _cmTlAllocAudioFileRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmChar_t* refIdStr, int begSmpIdx, unsigned seqId, const cmChar_t* fn )
  473. {
  474. cmAudioFileH_t afH = cmNullAudioFileH;
  475. cmAudioFileInfo_t info;
  476. cmRC_t afRC = cmOkRC;
  477. cmTlRC_t rc;
  478. _cmTlObj_t* op = NULL;
  479. // prepend the time-line path prefix to the filename
  480. fn = cmFsMakeFn( p->prefixPath, fn, NULL, NULL );
  481. unsigned recdByteCnt = sizeof(cmTlAudioFile_t) + strlen(fn) + 1;
  482. if( cmAudioFileIsValid( afH = cmAudioFileNewOpen(fn, &info, &afRC, p->err.rpt )) == false )
  483. {
  484. rc = cmErrMsg(&p->err,kAudioFileFailTlRC,"The time line audio file '%s' could not be opened.",cmStringNullGuard(fn));
  485. goto errLabel;
  486. }
  487. if((rc = _cmTlAllocRecd(p,nameStr,refIdStr,begSmpIdx,info.frameCnt,kAudioFileTlId,seqId,recdByteCnt,&op)) != kOkTlRC )
  488. goto errLabel;
  489. assert(op != NULL && fn != NULL );
  490. cmTlAudioFile_t* ap = _cmTimeLineAudioFileObjPtr(p,op->obj);
  491. char* cp = (char*)ap;
  492. assert(ap != NULL );
  493. ap->h = afH;
  494. ap->info = info;
  495. ap->fn = cp + sizeof(cmTlAudioFile_t);
  496. strcpy(ap->fn,fn); // copy the file name into the extra memory
  497. assert( ap->fn + strlen(fn) + 1 == cp + recdByteCnt );
  498. op->obj->text = ap->fn;
  499. // notify listeners that an new object was created by sending a kObjTlId msg
  500. // notifiy any listeners that a midi file object was created
  501. //_cmTlNotifyListener(p, kInsertMsgTlId, op );
  502. errLabel:
  503. cmFsFreeFn(fn);
  504. if( rc != kOkTlRC )
  505. cmAudioFileDelete(&afH);
  506. return rc;
  507. }
  508. cmTlRC_t _cmTlProcMidiFile( _cmTl_t* p, _cmTlObj_t* op, cmMidiFileH_t mfH )
  509. {
  510. cmTlRC_t rc = kOkTlRC;
  511. cmTlMidiFile_t* mfp = _cmTimeLineMidiFileObjPtr(p,op->obj);
  512. unsigned mn = cmMidiFileMsgCount(mfH);
  513. const cmMidiTrackMsg_t** mapp = cmMidiFileMsgArray(mfH);
  514. unsigned mi = 0;
  515. //double accum = 0;
  516. _cmTlObj_t* refOp = op;
  517. //bool fl = false;
  518. unsigned dtick = 0;
  519. mfp->noteOnCnt = 0;
  520. // for each midi message
  521. for(; mi<mn; ++mi)
  522. {
  523. _cmTlObj_t* meop = NULL;
  524. const cmMidiTrackMsg_t* mp = mapp[mi];
  525. dtick = mp->dtick;
  526. //if( fl )
  527. //{
  528. // dtick = 0;
  529. // fl = mp->dtick == 0;
  530. //}
  531. //accum += dtick * p->srate / 1000000;
  532. //int begSmpIdx = floor(accum_micros * p->srate / 1000000);
  533. int begSmpIdx = dtick; //floor( dtick * p->srate / 1000000.0 );
  534. int durSmpCnt = 0;
  535. unsigned midiTrkMsgByteCnt = cmMidiFilePackTrackMsgBufByteCount( mp );
  536. unsigned recdByteCnt = sizeof(cmTlMidiEvt_t) + midiTrkMsgByteCnt;
  537. //if( mfp->obj.seqId==4 && mi<=25 )
  538. // printf("%s: bsi:%9i acc:%f smp acc:%f min %s\n", mp->status == kNoteOnMdId?"non":" ", begSmpIdx, accum, accum / (p->srate * 60),cmStringNullGuard(mfp->obj.name));
  539. // count the note-on messages
  540. if( mp->status == kNoteOnMdId )
  541. {
  542. //durSmpCnt = floor(mp->u.chMsgPtr->durTicks * p->srate / 1000000.0 );
  543. durSmpCnt = mp->u.chMsgPtr->durTicks;
  544. ++mfp->noteOnCnt;
  545. }
  546. // allocate the generic time-line object record
  547. if((rc = _cmTlAllocRecd2(p, NULL, refOp, begSmpIdx, durSmpCnt, kMidiEvtTlId, mfp->obj.seqId, recdByteCnt, &meop)) != kOkTlRC )
  548. goto errLabel;
  549. assert( meop != NULL );
  550. cmTlMidiEvt_t* mep = _cmTimeLineMidiEvtObjPtr(p,meop->obj);
  551. char* cp = (char*)mep;
  552. assert( mep != NULL );
  553. // Set the cmTlMidiEvt_t.msg cmMidiTrkMsg_t pointer to point to the
  554. // extra memory allocated just past the cmTlMidiEvt_t recd.
  555. mep->msg = (cmMidiTrackMsg_t*)(cp + sizeof(cmTlMidiEvt_t));
  556. mep->midiFileObjId = mfp->obj.uid;
  557. // Do not write MIDI objects that are part of a MIDI file. They will be automatically
  558. // loaded when the time line is loaded and therefore do not need to be save
  559. // explicitely in the time line data.
  560. meop->obj->flags = cmSetFlag(meop->obj->flags,kNoWriteTlFl);
  561. // Pack the cmMidiTrackMsg_t record into the extra memory
  562. cmMidiFilePackTrackMsg( mp, (char*)mep->msg, midiTrkMsgByteCnt );
  563. // verify that the memory allocation was calculated correctly
  564. assert( cp + recdByteCnt == ((char*)mep->msg) + midiTrkMsgByteCnt);
  565. // notify any listeners that a new midi event was created by sending a kObjTlId msg.
  566. //_cmTlNotifyListener(p, kInsertMsgTlId, meop );
  567. // this midi event is the ref. for the next midi evt
  568. refOp = meop;
  569. }
  570. errLabel:
  571. return rc;
  572. }
  573. cmTlRC_t _cmTlAllocMidiFileRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmChar_t* refIdStr, int begSmpIdx, unsigned seqId, const cmChar_t* fn )
  574. {
  575. cmMidiFileH_t mfH = cmMidiFileNullHandle;
  576. cmTlRC_t rc = kOkTlRC;
  577. _cmTlObj_t* op = NULL;
  578. // prepend the time-line path prefix to the filename
  579. fn = cmFsMakeFn( p->prefixPath, fn, NULL, NULL );
  580. // open the midi file
  581. if( cmMidiFileOpen(fn, &mfH, &p->ctx ) != kOkMfRC )
  582. return cmErrMsg(&p->err,kMidiFileFailTlRC,"The time line midi file '%s' could not be opened.",cmStringNullGuard(fn));
  583. // force the first msg to occurr one quarter note into the file
  584. cmMidiFileSetDelay(mfH, cmMidiFileTicksPerQN(mfH) );
  585. unsigned durSmpCnt = floor(cmMidiFileDurSecs(mfH)*p->srate);
  586. // convert the midi file from ticks to microseconds
  587. cmMidiFileTickToSamples(mfH,p->srate,false);
  588. // assign note durations to all note-on msg's
  589. cmMidiFileCalcNoteDurations(mfH);
  590. unsigned recdByteCnt = sizeof(cmTlMidiFile_t) + strlen(fn) + 1;
  591. // allocate the midi file time line object
  592. if((rc = _cmTlAllocRecd(p,nameStr,refIdStr,begSmpIdx,durSmpCnt,kMidiFileTlId,seqId,recdByteCnt,&op)) != kOkTlRC )
  593. goto errLabel;
  594. assert( op != NULL && fn != NULL );
  595. cmTlMidiFile_t* mp = _cmTimeLineMidiFileObjPtr(p,op->obj);
  596. char* cp = (char*)mp;
  597. assert(mp != NULL );
  598. mp->h = mfH;
  599. mp->fn = cp + sizeof(cmTlMidiFile_t);
  600. strcpy(mp->fn,fn); // copy the filename into the extra memory
  601. assert( mp->fn + strlen(mp->fn) + 1 == cp + recdByteCnt );
  602. op->obj->text = mp->fn;
  603. // notifiy any listeners that a midi file object was created
  604. //_cmTlNotifyListener(p, kInsertMsgTlId, op );
  605. // insert the events in the midi file as individual time line objects
  606. if((rc = _cmTlProcMidiFile(p, op, mfH)) != kOkTlRC )
  607. goto errLabel;
  608. errLabel:
  609. cmFsFreeFn(fn);
  610. if( rc != kOkTlRC )
  611. {
  612. cmMidiFileClose(&mfH);
  613. _cmTlDeleteRecd(p, op);
  614. }
  615. return rc;
  616. }
  617. cmTlRC_t _cmTlAllocMarkerRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmChar_t* refIdStr, int begSmpIdx, unsigned durSmpCnt, unsigned seqId, const cmChar_t* text, unsigned bar, const cmChar_t* sectionStr )
  618. {
  619. cmTlRC_t rc = kOkTlRC;
  620. _cmTlObj_t* op = NULL;
  621. const cmChar_t* textStr = text==NULL ? "" : text;
  622. const cmChar_t* sectStr = sectionStr==NULL ? "" : sectionStr;
  623. // add memory at the end of the the cmTlMarker_t record to hold the text string.
  624. unsigned recdByteCnt = sizeof(cmTlMarker_t) + strlen(textStr) + sizeof(bar) + strlen(sectStr) + 2;
  625. if((rc = _cmTlAllocRecd(p,nameStr,refIdStr,begSmpIdx,durSmpCnt,kMarkerTlId,seqId,recdByteCnt,&op)) != kOkTlRC )
  626. goto errLabel;
  627. assert(op != NULL);
  628. // get a ptr to the marker part of the object
  629. cmTlMarker_t* mp = _cmTimeLineMarkerObjPtr(p,op->obj);
  630. assert(mp != NULL );
  631. // copy the marker text string into the memory just past the cmTlMarker_t recd.
  632. cmChar_t* tp = (cmChar_t*)(mp + 1);
  633. strcpy(tp,textStr);
  634. // copy the section label string into memory just past the markers text string
  635. cmChar_t* sp = tp + strlen(tp) + 1;
  636. strcpy(sp,sectStr);
  637. mp->text = tp;
  638. mp->sectionStr = sp;
  639. mp->bar = bar;
  640. op->obj->text = tp;
  641. // notify listeners
  642. //_cmTlNotifyListener(p, kInsertMsgTlId, op );
  643. errLabel:
  644. if( op != NULL && rc != kOkTlRC )
  645. _cmTlDeleteRecd(p,op);
  646. return rc;
  647. }
  648. cmTlRC_t _cmTlAllocAudioEvtRecd( _cmTl_t* p, const cmChar_t* nameStr, const cmChar_t* refIdStr, int begSmpIdx, unsigned durSmpCnt, unsigned seqId, const cmChar_t* text )
  649. {
  650. cmTlRC_t rc = kOkTlRC;
  651. _cmTlObj_t* op = NULL;
  652. const cmChar_t* textStr = text==NULL ? "" : text;
  653. unsigned recdByteCnt = sizeof(cmTlAudioEvt_t) + strlen(textStr) + 1;
  654. if((rc = _cmTlAllocRecd(p,nameStr,refIdStr,begSmpIdx,durSmpCnt,kAudioEvtTlId,seqId,recdByteCnt,&op)) != kOkTlRC )
  655. goto errLabel;
  656. assert(op != NULL);
  657. cmTlAudioEvt_t* mp = _cmTimeLineAudioEvtObjPtr(p,op->obj);
  658. assert(mp != NULL );
  659. // copy the marker text string into the memory just past the cmTlAudioEvt_t recd.
  660. cmChar_t* tp = (cmChar_t*)(mp + 1);
  661. strcpy(tp,textStr);
  662. mp->text = tp;
  663. op->obj->text = tp;
  664. // notify listeners
  665. //_cmTlNotifyListener(p, kInsertMsgTlId, op );
  666. errLabel:
  667. if( op != NULL && rc != kOkTlRC )
  668. _cmTlDeleteRecd(p,op);
  669. return rc;
  670. }
  671. cmTlRC_t _cmTlAllocRecdFromJson(_cmTl_t* p,const cmChar_t* nameStr, const cmChar_t* typeIdStr,const cmChar_t* refIdStr, int begSmpIdx, unsigned durSmpCnt, unsigned seqId, const cmChar_t* textStr, unsigned bar, const cmChar_t* sectionStr)
  672. {
  673. cmTlRC_t rc = kOkTlRC;
  674. unsigned typeId = _cmTlIdLabelToId(p,typeIdStr);
  675. switch( typeId )
  676. {
  677. case kAudioFileTlId: rc = _cmTlAllocAudioFileRecd(p,nameStr,refIdStr,begSmpIdx, seqId,textStr); break;
  678. case kMidiFileTlId: rc = _cmTlAllocMidiFileRecd( p,nameStr,refIdStr,begSmpIdx, seqId,textStr); break;
  679. case kMarkerTlId: rc = _cmTlAllocMarkerRecd( p,nameStr,refIdStr,begSmpIdx,durSmpCnt,seqId,textStr,bar,sectionStr); break;
  680. case kAudioEvtTlId: rc = _cmTlAllocAudioEvtRecd( p,nameStr,refIdStr,begSmpIdx,durSmpCnt,seqId,textStr); break;
  681. default:
  682. rc = cmErrMsg(&p->err,kParseFailTlRC,"'%s' is not a valid 'objArray' record type.",cmStringNullGuard(typeIdStr));
  683. }
  684. return rc;
  685. }
  686. cmTlRC_t _cmTimeLineFinalize( _cmTl_t* p )
  687. {
  688. cmTlRC_t rc = kOkTlRC;
  689. unsigned i;
  690. for(i=0; i<p->seqCnt; ++i)
  691. while( p->seq[i].first != NULL )
  692. {
  693. if((rc = _cmTlDeleteRecd(p,p->seq[i].first)) != kOkTlRC )
  694. goto errLabel;
  695. }
  696. cmMemFree(p->seq);
  697. cmLHeapDestroy(&p->lH);
  698. //_cmTlNotifyListener(p, kFinalMsgTlId, NULL );
  699. cmMemPtrFree(&p->tmpBuf);
  700. cmMemPtrFree(&p->prefixPath);
  701. cmMemPtrFree(&p);
  702. return kOkTlRC;
  703. errLabel:
  704. return cmErrMsg(&p->err,kFinalizeFailTlRC,"Finalize failed.");
  705. }
  706. cmTlRC_t cmTimeLineInitialize( cmCtx_t* ctx, cmTlH_t* hp, cmTlCb_t cbFunc, void* cbArg, const cmChar_t* prefixPath )
  707. {
  708. cmTlRC_t rc;
  709. if((rc = cmTimeLineFinalize(hp)) != kOkTlRC )
  710. return rc;
  711. _cmTl_t* p = cmMemAllocZ( _cmTl_t, 1 );
  712. cmErrSetup(&p->err,&ctx->rpt,"Time Line");
  713. p->ctx = *ctx;
  714. p->cbFunc = cbFunc;
  715. p->cbArg = cbArg;
  716. p->prefixPath = cmMemAllocStr(prefixPath);
  717. if(cmLHeapIsValid( p->lH = cmLHeapCreate( 8192, ctx )) == false )
  718. {
  719. rc = cmErrMsg(&p->err,kLHeapFailTlRC,"The linked heap allocation failed.");
  720. goto errLabel;
  721. }
  722. hp->h = p;
  723. return rc;
  724. errLabel:
  725. _cmTimeLineFinalize(p);
  726. return rc;
  727. }
  728. cmTlRC_t cmTimeLineInitializeFromFile( cmCtx_t* ctx, cmTlH_t* hp, cmTlCb_t cbFunc, void* cbArg, const cmChar_t* fn, const cmChar_t* prefixPath )
  729. {
  730. cmTlRC_t rc;
  731. if((rc = cmTimeLineInitialize(ctx,hp,cbFunc,cbArg,prefixPath)) != kOkTlRC )
  732. return rc;
  733. return cmTimeLineReadJson(hp,fn);
  734. }
  735. const cmChar_t* cmTimeLineFileName( cmTlH_t h )
  736. {
  737. _cmTl_t* p = _cmTlHandleToPtr(h);
  738. return p->filename;
  739. }
  740. cmTlRC_t cmTimeLineFinalize( cmTlH_t* hp )
  741. {
  742. cmTlRC_t rc;
  743. if( hp == NULL || cmTimeLineIsValid(*hp) == false )
  744. return kOkTlRC;
  745. _cmTl_t* p = _cmTlHandleToPtr(*hp);
  746. if((rc = _cmTimeLineFinalize(p)) != kOkTlRC )
  747. return rc;
  748. hp->h = NULL;
  749. return rc;
  750. }
  751. bool cmTimeLineIsValid( cmTlH_t h )
  752. { return h.h != NULL; }
  753. double cmTimeLineSampleRate( cmTlH_t h )
  754. {
  755. _cmTl_t* p = _cmTlHandleToPtr(h);
  756. return p->srate;
  757. }
  758. int cmTimeLineSeqToLocalSampleIndex( int seqSmpIdx, cmTlObj_t* localObjPtr )
  759. {
  760. return seqSmpIdx - localObjPtr->seqSmpIdx;
  761. }
  762. cmTlObj_t* _cmTimeLineIdToObj( _cmTl_t* p, unsigned seqId, unsigned id )
  763. {
  764. assert( seqId < p->seqCnt );
  765. _cmTlObj_t* op = p->seq[seqId].first;
  766. for(; op != NULL; op=op->next )
  767. if( op->obj->uid == id )
  768. return op->obj;
  769. return NULL;
  770. }
  771. cmTlObj_t* cmTimeLineIdToObj( cmTlH_t h, unsigned seqId, unsigned id )
  772. {
  773. _cmTl_t* p = _cmTlHandleToPtr(h);
  774. cmTlObj_t* op = NULL;
  775. if( seqId != cmInvalidId )
  776. op = _cmTimeLineIdToObj(p,seqId,id);
  777. else
  778. {
  779. for(seqId=0; seqId<p->seqCnt; ++seqId)
  780. if((op = _cmTimeLineIdToObj(p,seqId,id) ) != NULL )
  781. break;
  782. }
  783. return op;
  784. }
  785. cmTlObj_t* cmTimeLineNextObj( cmTlH_t h, cmTlObj_t* tp, unsigned seqId )
  786. {
  787. _cmTl_t* p = _cmTlHandleToPtr(h);
  788. _cmTlObj_t* op;
  789. assert( seqId < p->seqCnt );
  790. if( seqId >= p->seqCnt )
  791. return NULL;
  792. // if tp is NULL then start at the begin of the obj list ...
  793. if( tp == NULL )
  794. op = p->seq[seqId].first;
  795. else
  796. {
  797. // ... otherwise advance to the obj after tp
  798. op = (_cmTlObj_t*)tp->reserved;
  799. assert( op != NULL );
  800. op = op->next;
  801. }
  802. // if the list is empty
  803. if( op == NULL )
  804. return NULL;
  805. // return the next object which matches seqId or
  806. // the next object if seqId == cmInvalidId
  807. for(; op != NULL; op = op->next)
  808. if( (seqId == cmInvalidId) || (op->obj->seqId == seqId) )
  809. return op->obj;
  810. return NULL;
  811. }
  812. cmTlObj_t* cmTimeLineNextTypeObj( cmTlH_t h, cmTlObj_t* p, unsigned seqId, unsigned typeId )
  813. {
  814. cmTlObj_t* tp = p;
  815. while( (tp = cmTimeLineNextObj(h,tp,seqId)) != NULL )
  816. if( typeId == cmInvalidId || tp->typeId == typeId )
  817. return tp;
  818. return NULL;
  819. }
  820. cmTlMidiFile_t* cmTlNextMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId )
  821. {
  822. if((op = cmTimeLineNextTypeObj(h, op, seqId, kMidiFileTlId )) == NULL )
  823. return NULL;
  824. return cmTimeLineMidiFileObjPtr(h,op);
  825. }
  826. cmTlAudioFile_t* cmTlNextAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId )
  827. {
  828. if((op = cmTimeLineNextTypeObj(h, op, seqId, kAudioFileTlId )) == NULL )
  829. return NULL;
  830. return cmTimeLineAudioFileObjPtr(h,op);
  831. }
  832. cmTlMidiEvt_t* cmTlNextMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId )
  833. {
  834. if((op = cmTimeLineNextTypeObj(h, op, seqId, kMidiEvtTlId )) == NULL )
  835. return NULL;
  836. return cmTimeLineMidiEvtObjPtr(h,op);
  837. }
  838. cmTlAudioEvt_t* cmTlNextAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId )
  839. {
  840. if((op = cmTimeLineNextTypeObj(h, op, seqId, kAudioEvtTlId )) == NULL )
  841. return NULL;
  842. return cmTimeLineAudioEvtObjPtr(h,op);
  843. }
  844. cmTlMarker_t* cmTlNextMarkerObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId )
  845. {
  846. if((op = cmTimeLineNextTypeObj(h, op, seqId, kMarkerTlId )) == NULL )
  847. return NULL;
  848. return cmTimeLineMarkerObjPtr(h,op);
  849. }
  850. cmTlObj_t* cmTlIdToObjPtr( cmTlH_t h, unsigned uid )
  851. {
  852. _cmTl_t* p = _cmTlHandleToPtr(h);
  853. unsigned i;
  854. for(i=0; i<p->seqCnt; ++i)
  855. //if( p->seq[i].first->obj->uid <= uid && uid <= p->seq[i].last->obj->uid )
  856. {
  857. _cmTlObj_t* op = p->seq[i].first;
  858. for(; op != NULL; op=op->next )
  859. if( op->obj->uid == uid )
  860. return op->obj;
  861. }
  862. return NULL;
  863. }
  864. cmTlMidiFile_t* cmTimeLineMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op )
  865. {
  866. _cmTl_t* p = _cmTlHandleToPtr(h);
  867. return _cmTimeLineMidiFileObjPtr(p,op);
  868. }
  869. cmTlAudioFile_t* cmTimeLineAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op )
  870. {
  871. _cmTl_t* p = _cmTlHandleToPtr(h);
  872. return _cmTimeLineAudioFileObjPtr(p,op);
  873. }
  874. cmTlMidiEvt_t* cmTimeLineMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op )
  875. {
  876. _cmTl_t* p = _cmTlHandleToPtr(h);
  877. return _cmTimeLineMidiEvtObjPtr(p,op);
  878. }
  879. cmTlAudioEvt_t* cmTimeLineAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op )
  880. {
  881. _cmTl_t* p = _cmTlHandleToPtr(h);
  882. return _cmTimeLineAudioEvtObjPtr(p,op);
  883. }
  884. cmTlMarker_t* cmTimeLineMarkerObjPtr( cmTlH_t h, cmTlObj_t* op )
  885. {
  886. _cmTl_t* p = _cmTlHandleToPtr(h);
  887. return _cmTimeLineMarkerObjPtr(p,op);
  888. }
  889. cmTlMidiFile_t* cmTlMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op )
  890. {
  891. _cmTl_t* p = _cmTlHandleToPtr(h);
  892. return _cmTlMidiFileObjPtr(p,op,false);
  893. }
  894. cmTlAudioFile_t* cmTlAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op )
  895. {
  896. _cmTl_t* p = _cmTlHandleToPtr(h);
  897. return _cmTlAudioFileObjPtr(p,op,false);
  898. }
  899. cmTlMidiEvt_t* cmTlMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op )
  900. {
  901. _cmTl_t* p = _cmTlHandleToPtr(h);
  902. return _cmTlMidiEvtObjPtr(p,op,false);
  903. }
  904. cmTlAudioEvt_t* cmTlAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op )
  905. {
  906. _cmTl_t* p = _cmTlHandleToPtr(h);
  907. return _cmTlAudioEvtObjPtr(p,op,false);
  908. }
  909. cmTlMarker_t* cmTlMarkerObjPtr( cmTlH_t h, cmTlObj_t* op )
  910. {
  911. _cmTl_t* p = _cmTlHandleToPtr(h);
  912. return _cmTlMarkerObjPtr(p,op,false);
  913. }
  914. cmTlRC_t cmTimeLineInsert( cmTlH_t h, const cmChar_t* nameStr, unsigned typeId,
  915. const cmChar_t* fn, int begSmpIdx, unsigned durSmpCnt, const cmChar_t* refObjNameStr, unsigned seqId )
  916. {
  917. _cmTl_t* p = _cmTlHandleToPtr(h);
  918. return _cmTlAllocRecdFromJson(p, nameStr, _cmTlIdToLabel(p,typeId), refObjNameStr, begSmpIdx, durSmpCnt, seqId, fn, 0, NULL);
  919. }
  920. cmTlObj_t* _cmTimeLineFindFile( _cmTl_t* p, const cmChar_t* fn, unsigned typeId )
  921. {
  922. unsigned i;
  923. for(i=0; i<p->seqCnt; ++i)
  924. {
  925. _cmTlObj_t* op = p->seq[i].first;
  926. for(; op != NULL; op=op->next )
  927. if( op->obj->typeId == typeId )
  928. {
  929. const cmChar_t* objFn = NULL;
  930. switch( typeId )
  931. {
  932. case kAudioFileTlId:
  933. objFn = ((cmTlAudioFile_t*)(op->obj))->fn;
  934. break;
  935. case kMidiFileTlId:
  936. objFn = ((cmTlMidiFile_t*)(op->obj))->fn;
  937. break;
  938. default:
  939. { assert(0); }
  940. }
  941. if( strcmp(objFn,fn) == 0 )
  942. return op->obj;
  943. }
  944. }
  945. return NULL;
  946. }
  947. cmTlAudioFile_t* cmTimeLineFindAudioFile( cmTlH_t h, const cmChar_t* fn )
  948. {
  949. _cmTl_t* p = _cmTlHandleToPtr(h);
  950. cmTlObj_t* op;
  951. if((op = _cmTimeLineFindFile(p,fn,kAudioFileTlId)) != NULL )
  952. return _cmTlAudioFileObjPtr(p,op,true);
  953. return NULL;
  954. }
  955. cmTlMidiFile_t* cmTimeLineFindMidiFile( cmTlH_t h, const cmChar_t* fn )
  956. {
  957. _cmTl_t* p = _cmTlHandleToPtr(h);
  958. cmTlObj_t* op;
  959. if((op = _cmTimeLineFindFile(p,fn,kMidiFileTlId)) != NULL )
  960. return _cmTlMidiFileObjPtr(p,op,true);
  961. return NULL;
  962. }
  963. _cmTlObj_t* _cmTimeLineObjAtTime( _cmTl_t* p, unsigned seqId, unsigned seqSmpIdx, unsigned typeId )
  964. {
  965. assert( seqId < p->seqCnt );
  966. _cmTlObj_t* op = p->seq[seqId].first;
  967. _cmTlObj_t* min_op = NULL;
  968. unsigned minDist = UINT_MAX;
  969. for(; op!=NULL; op=op->next)
  970. if( typeId==cmInvalidId || op->obj->typeId == typeId )
  971. {
  972. // if seqSmpIdx is inside this object - then return it as the solution
  973. if((op->obj->seqSmpIdx <= seqSmpIdx && seqSmpIdx < (op->obj->seqSmpIdx + op->obj->durSmpCnt)))
  974. return op;
  975. // measure the distance from seqSmpIdx to the begin and end of this object
  976. unsigned d0 = op->obj->seqSmpIdx < seqSmpIdx ? seqSmpIdx - op->obj->seqSmpIdx : op->obj->seqSmpIdx - seqSmpIdx;
  977. unsigned d1 = op->obj->seqSmpIdx+op->obj->durSmpCnt < seqSmpIdx ? seqSmpIdx - op->obj->seqSmpIdx+op->obj->durSmpCnt : op->obj->seqSmpIdx+op->obj->durSmpCnt - seqSmpIdx;
  978. // d0 and d1 should decrease as the cur object approaches seqSmpIdx
  979. // If they do not then the search is over - return the closest point.
  980. if( d0>minDist && d1>minDist)
  981. break;
  982. // track the min dist and the assoc'd obj
  983. if( d0 < minDist )
  984. {
  985. minDist = d0;
  986. min_op = op;
  987. }
  988. if( d1 < minDist )
  989. {
  990. minDist = d1;
  991. min_op = op;
  992. }
  993. }
  994. return min_op;
  995. }
  996. cmTlAudioFile_t* cmTimeLineAudioFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx )
  997. {
  998. _cmTl_t* p = _cmTlHandleToPtr(h);
  999. _cmTlObj_t* op;
  1000. if((op = _cmTimeLineObjAtTime(p,seqId,seqSmpIdx,kAudioFileTlId)) == NULL )
  1001. return NULL;
  1002. return _cmTlAudioFileObjPtr(p,op->obj,false);
  1003. }
  1004. cmTlMidiFile_t* cmTimeLineMidiFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx )
  1005. {
  1006. _cmTl_t* p = _cmTlHandleToPtr(h);
  1007. _cmTlObj_t* op;
  1008. if((op = _cmTimeLineObjAtTime(p,seqId,seqSmpIdx,kMidiFileTlId)) == NULL )
  1009. return NULL;
  1010. return _cmTlMidiFileObjPtr(p,op->obj,false);
  1011. }
  1012. cmTlMidiEvt_t* cmTimeLineMidiEvtAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx )
  1013. {
  1014. _cmTl_t* p = _cmTlHandleToPtr(h);
  1015. _cmTlObj_t* op;
  1016. if((op = _cmTimeLineObjAtTime(p,seqId,seqSmpIdx,kMidiEvtTlId)) == NULL )
  1017. return NULL;
  1018. return _cmTlMidiEvtObjPtr(p,op->obj,false);
  1019. }
  1020. cmTlMarker_t* cmTimeLineMarkerAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx )
  1021. {
  1022. _cmTl_t* p = _cmTlHandleToPtr(h);
  1023. _cmTlObj_t* op;
  1024. if((op = _cmTimeLineObjAtTime(p,seqId,seqSmpIdx,kMarkerTlId)) == NULL )
  1025. return NULL;
  1026. return _cmTlMarkerObjPtr(p,op->obj,false);
  1027. }
  1028. cmTlMarker_t* cmTimeLineMarkerFind( cmTlH_t h, const cmChar_t* markText )
  1029. {
  1030. unsigned i;
  1031. unsigned n = cmTimeLineSeqCount(h);
  1032. cmTlMarker_t* mop = NULL;
  1033. for(i=0; i<n && mop==NULL; ++i)
  1034. {
  1035. cmTlObj_t* op = NULL;
  1036. mop = NULL;
  1037. while((mop = cmTlNextMarkerObjPtr(h,op,i)) != NULL )
  1038. {
  1039. if( mop->obj.name!=NULL && strcmp(mop->obj.name,markText)==0 )
  1040. break;
  1041. op = &mop->obj;
  1042. }
  1043. }
  1044. return mop;
  1045. }
  1046. cmTlRC_t _cmTlParseErr( cmErr_t* err, const cmChar_t* errLabelPtr, unsigned idx, const cmChar_t* fn )
  1047. {
  1048. cmTlRC_t rc;
  1049. if( errLabelPtr != NULL )
  1050. rc = cmErrMsg(err,kParseFailTlRC,"The required time line configuration field %s was not found in the record at index %i in '%s'.",cmStringNullGuard(errLabelPtr),idx,cmStringNullGuard(fn));
  1051. else
  1052. rc = cmErrMsg(err,kParseFailTlRC,"The time_line configuration parse failed on the record at index %i in '%s'.",idx,cmStringNullGuard(fn));
  1053. return rc;
  1054. }
  1055. cmTlRC_t cmTimeLineReadJson( cmTlH_t* hp, const cmChar_t* ifn )
  1056. {
  1057. cmTlRC_t rc = kOkTlRC;
  1058. cmJsonH_t jsH = cmJsonNullHandle;
  1059. cmJsonNode_t* jnp;
  1060. const cmChar_t* errLabelPtr;
  1061. int i;
  1062. _cmTl_t* p = _cmTlHandleToPtr(*hp);
  1063. // open the json file
  1064. if( cmJsonInitializeFromFile(&jsH, ifn, &p->ctx ) != kOkJsRC )
  1065. return cmErrMsg(&p->err,kJsonFailTlRC,"JSON file initialization failed.");
  1066. if((jnp = cmJsonFindValue(jsH,"time_line",cmJsonRoot(jsH),kObjectTId)) == NULL)
  1067. {
  1068. rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' object was not found in '%s'.",cmStringNullGuard(ifn));
  1069. goto errLabel;
  1070. }
  1071. if( cmJsonMemberValues(jnp,&errLabelPtr,
  1072. "srate",kRealTId,&p->srate,
  1073. "objArray",kArrayTId,&jnp,
  1074. NULL) != kOkJsRC )
  1075. {
  1076. rc = cmErrMsg(&p->err,kParseFailTlRC,"The JSON 'time_line' object header parse failed in '%s'.",cmStringNullGuard(ifn));
  1077. goto errLabel;
  1078. }
  1079. for(i=0; i<cmJsonChildCount(jnp); ++i)
  1080. {
  1081. const cmJsonNode_t* rp = cmJsonArrayElementC(jnp,i);
  1082. const cmChar_t* nameStr;
  1083. const cmChar_t* typeIdStr;
  1084. const cmChar_t* refIdStr;
  1085. int begSmpIdx;
  1086. unsigned durSmpCnt;
  1087. unsigned seqId;
  1088. const cmChar_t* textStr;
  1089. unsigned bar = 0;
  1090. const cmChar_t* sectStr = NULL;
  1091. if( cmJsonMemberValues(rp,&errLabelPtr,
  1092. "label",kStringTId,&nameStr,
  1093. "type", kStringTId,&typeIdStr,
  1094. "ref", kStringTId,&refIdStr,
  1095. "offset",kIntTId,&begSmpIdx,
  1096. "smpCnt",kIntTId,&durSmpCnt,
  1097. "trackId",kIntTId,&seqId,
  1098. "textStr",kStringTId,&textStr,
  1099. "bar", kIntTId | kOptArgJsFl,&bar,
  1100. "sectStr",kStringTId | kOptArgJsFl,&sectStr,
  1101. NULL) != kOkJsRC )
  1102. {
  1103. rc = _cmTlParseErr(&p->err, errLabelPtr, i, ifn );
  1104. goto errLabel;
  1105. }
  1106. if((rc = _cmTlAllocRecdFromJson(p,nameStr,typeIdStr,refIdStr,begSmpIdx,durSmpCnt,seqId,textStr,bar,sectStr)) != kOkTlRC )
  1107. goto errLabel;
  1108. }
  1109. p->filename = cmLhAllocStr(p->lH,ifn);
  1110. errLabel:
  1111. if( rc != kOkTlRC )
  1112. cmTimeLineFinalize(hp);
  1113. cmJsonFinalize(&jsH);
  1114. return rc;
  1115. }
  1116. unsigned cmTimeLineSeqCount( cmTlH_t h )
  1117. {
  1118. _cmTl_t* p = _cmTlHandleToPtr(h);
  1119. return p->seqCnt;
  1120. }
  1121. cmTlRC_t cmTimeLineSeqNotify( cmTlH_t h, unsigned seqId )
  1122. {
  1123. cmTlRC_t rc = kOkTlRC;
  1124. _cmTl_t* p = _cmTlHandleToPtr(h);
  1125. assert( seqId < p->seqCnt );
  1126. _cmTlNotifyListener(p,kInitMsgTlId,NULL,seqId);
  1127. _cmTlObj_t* op = p->seq[seqId].first;
  1128. for(; op!=NULL; op=op->next)
  1129. if( op->obj->seqId == seqId )
  1130. _cmTlNotifyListener(p, kInsertMsgTlId, op, cmInvalidId );
  1131. _cmTlNotifyListener(p,kDoneMsgTlId,NULL,seqId);
  1132. return rc;
  1133. }
  1134. void _cmTimeLinePrintObj(_cmTl_t* p, _cmTlObj_t* op, cmRpt_t* rpt )
  1135. {
  1136. cmRptPrintf(rpt,"%2i %5i %9i %9i %s %10s ",op->obj->seqId, op->obj->uid, op->obj->seqSmpIdx, op->obj->begSmpIdx, _cmTlIdToLabel(p,op->obj->typeId),op->obj->name);
  1137. switch(op->obj->typeId )
  1138. {
  1139. case kMidiFileTlId:
  1140. {
  1141. cmTlMidiFile_t* rp = _cmTimeLineMidiFileObjPtr(p,op->obj);
  1142. cmRptPrintf(rpt,"%s ", cmMidiFileName(rp->h));
  1143. }
  1144. break;
  1145. case kMidiEvtTlId:
  1146. {
  1147. cmTlMidiEvt_t* rp = _cmTimeLineMidiEvtObjPtr(p,op->obj);
  1148. if( op->obj->ref != NULL )
  1149. cmRptPrintf(rpt,"%s ",op->obj->ref->name);
  1150. cmRptPrintf(rpt,"%s ",cmMidiStatusToLabel(rp->msg->status));
  1151. }
  1152. break;
  1153. case kAudioFileTlId:
  1154. {
  1155. cmTlAudioFile_t* rp = _cmTimeLineAudioFileObjPtr(p,op->obj);
  1156. cmRptPrintf(rpt,"%s ", cmAudioFileName(rp->h));
  1157. }
  1158. break;
  1159. case kAudioEvtTlId:
  1160. {
  1161. cmTlAudioEvt_t* rp = _cmTimeLineAudioEvtObjPtr(p,op->obj);
  1162. cmRptPrintf(rpt,"%s",rp->text);
  1163. }
  1164. break;
  1165. case kMarkerTlId:
  1166. {
  1167. cmTlMarker_t* rp = _cmTimeLineMarkerObjPtr(p,op->obj);
  1168. cmRptPrintf(rpt,"%s ", rp->text );
  1169. }
  1170. break;
  1171. }
  1172. cmRptPrint(rpt,"\n");
  1173. }
  1174. cmTlRC_t _cmTimeLineWriteRecd( _cmTl_t* p, cmJsonH_t jsH, cmJsonNode_t* np, cmTlObj_t* obj )
  1175. {
  1176. cmTlRC_t rc = kOkTlRC;
  1177. // if this recd is writable and has not been previously written
  1178. if( cmIsNotFlag(obj->flags,kNoWriteTlFl) && cmIsNotFlag(obj->flags,kReservedTlFl) )
  1179. {
  1180. const cmChar_t* refStr = NULL;
  1181. if( obj->ref != NULL )
  1182. {
  1183. refStr = obj->ref->name;
  1184. // if the ref obj was not previously written then write it (recursively) first
  1185. if( cmIsNotFlag(obj->ref->flags, kReservedTlFl) )
  1186. if((rc = _cmTimeLineWriteRecd(p,jsH,np,obj->ref)) != kOkTlRC )
  1187. return rc;
  1188. }
  1189. // create the time-line recd
  1190. if( cmJsonInsertPairs( jsH, cmJsonCreateObject(jsH,np),
  1191. "label", kStringTId, obj->name,
  1192. "type", kStringTId, _cmTlIdToLabel(p, obj->typeId ),
  1193. "ref", kStringTId, refStr==NULL ? "" : refStr,
  1194. "offset", kIntTId, obj->begSmpIdx,
  1195. "smpCnt", kIntTId, obj->durSmpCnt,
  1196. "trackId", kIntTId, obj->seqId,
  1197. "textStr", kStringTId, obj->text==NULL ? "" : obj->text,
  1198. NULL ) != kOkJsRC )
  1199. {
  1200. return cmErrMsg(&p->err,kJsonFailTlRC,"A time line insertion failed on label:%s type:%s text:%s.",cmStringNullGuard(obj->name),cmStringNullGuard(_cmTlIdToLabel(p, obj->typeId )), cmStringNullGuard(obj->text));
  1201. }
  1202. obj->flags = cmSetFlag(obj->flags, kReservedTlFl);
  1203. }
  1204. return rc;
  1205. }
  1206. cmTlRC_t cmTimeLineWrite( cmTlH_t h, const cmChar_t* fn )
  1207. {
  1208. cmTlRC_t rc = kOkTlRC;
  1209. _cmTl_t* p = _cmTlHandleToPtr(h);
  1210. cmJsonH_t jsH = cmJsonNullHandle;
  1211. cmJsonNode_t* np;
  1212. // initialize a JSON tree
  1213. if( cmJsonInitialize(&jsH,&p->ctx) != kOkJsRC )
  1214. return cmErrMsg(&p->err,kJsonFailTlRC,"JSON object initialization failed.");
  1215. // create the root object
  1216. if((np = cmJsonCreateObject(jsH,NULL)) == NULL )
  1217. {
  1218. rc = cmErrMsg(&p->err,kJsonFailTlRC,"Time line root object create failed while creating the time line file '%s.",cmStringNullGuard(fn));
  1219. goto errLabel;
  1220. }
  1221. // create the time-line object
  1222. if((np = cmJsonInsertPairObject(jsH, np, "time_line" )) == NULL )
  1223. {
  1224. rc = cmErrMsg(&p->err,kJsonFailTlRC,"'time_line' object created failed while creating the time line file '%s.",cmStringNullGuard(fn));
  1225. goto errLabel;
  1226. }
  1227. // write the sample rate
  1228. if( cmJsonInsertPairReal(jsH, np, "srate", p->srate ) != kOkJsRC )
  1229. {
  1230. rc = cmErrMsg(&p->err,kJsonFailTlRC,"'sample rate' output failed while creating the time line file '%s.",cmStringNullGuard(fn));
  1231. goto errLabel;
  1232. }
  1233. // create the time-line object array
  1234. if((np = cmJsonInsertPairArray(jsH, np, "objArray")) == NULL )
  1235. {
  1236. rc = cmErrMsg(&p->err,kJsonFailTlRC,"'objArray' output failed while creating the time line file '%s.",cmStringNullGuard(fn));
  1237. goto errLabel;
  1238. }
  1239. unsigned i;
  1240. // write each time-line object
  1241. for(i=0; i<p->seqCnt; ++i)
  1242. {
  1243. _cmTlObj_t* op = p->seq[i].first;
  1244. for(; op != NULL; op=op->next )
  1245. if((rc = _cmTimeLineWriteRecd(p,jsH,np,op->obj)) != kOkTlRC )
  1246. goto errLabel;
  1247. }
  1248. if( cmJsonErrorCode(jsH) == kOkJsRC )
  1249. if( cmJsonWrite(jsH,NULL,fn) != kOkJsRC )
  1250. {
  1251. rc = cmErrMsg(&p->err,kJsonFailTlRC,"JSON write failed.");
  1252. goto errLabel;
  1253. }
  1254. errLabel:
  1255. if( cmJsonFinalize(&jsH) != kOkJsRC )
  1256. {
  1257. rc = cmErrMsg(&p->err,kJsonFailTlRC,"JSON finalize failed.");
  1258. goto errLabel;
  1259. }
  1260. return rc;
  1261. }
  1262. cmTlRC_t cmTimeLinePrint( cmTlH_t h, cmRpt_t* rpt )
  1263. {
  1264. _cmTl_t* p = _cmTlHandleToPtr(h);
  1265. unsigned i;
  1266. for(i=0; i<p->seqCnt; ++i)
  1267. {
  1268. _cmTlObj_t* op = p->seq[i].first;
  1269. while(op != NULL)
  1270. {
  1271. _cmTimeLinePrintObj(p,op,rpt);
  1272. op = op->next;
  1273. }
  1274. }
  1275. return kOkTlRC;
  1276. }
  1277. cmTlRC_t cmTimeLinePrintFn( cmCtx_t* ctx, const cmChar_t* fn, const cmChar_t* prefixPath, cmRpt_t* rpt )
  1278. {
  1279. cmTlRC_t rc;
  1280. cmTlH_t h = cmTimeLineNullHandle;
  1281. if((rc = cmTimeLineInitializeFromFile(ctx,&h,NULL,NULL,fn,prefixPath)) != kOkTlRC )
  1282. return rc;
  1283. cmTimeLinePrint(h,rpt);
  1284. return cmTimeLineFinalize(&h);
  1285. }
  1286. cmTlRC_t cmTimeLineTest( cmCtx_t* ctx, const cmChar_t* jsFn, const cmChar_t* prefixPath )
  1287. {
  1288. cmTlRC_t rc = kOkTlRC;
  1289. cmTlH_t tlH = cmTimeLineNullHandle;
  1290. if((rc = cmTimeLineInitialize(ctx,&tlH,NULL,NULL,prefixPath)) != kOkTlRC )
  1291. return rc;
  1292. if((rc = cmTimeLineReadJson(&tlH,jsFn)) != kOkTlRC )
  1293. goto errLabel;
  1294. if((rc = cmTimeLineInsert(tlH,"Mark",kMarkerTlId,"My Marker",10,0,NULL,0)) != kOkTlRC )
  1295. goto errLabel;
  1296. cmTimeLinePrint(tlH, &ctx->rpt );
  1297. errLabel:
  1298. cmTimeLineFinalize(&tlH);
  1299. return rc;
  1300. }
  1301. cmTlRC_t _cmTimeLineDecodeObj( const void* msg, unsigned msgByteCnt, cmTlUiMsg_t* r )
  1302. {
  1303. cmTlRC_t rc = kOkTlRC;
  1304. unsigned* typeIdPtr = (unsigned*)msg;
  1305. unsigned* parentIdPtr = typeIdPtr + 1;
  1306. const char* text = (const char*)(parentIdPtr + 1);
  1307. _cmTlObj_t* op = (_cmTlObj_t*)(text + strlen(text) + 1);
  1308. cmTlObj_t* tp = (cmTlObj_t*)(op + 1 );
  1309. r->msgId = kInsertMsgTlId;
  1310. r->objId = tp->uid;
  1311. //r->parentObjId = *parentIdPtr;
  1312. r->seqId = tp->seqId;
  1313. //r->typeId = tp->typeId;
  1314. //r->begSmpIdx = tp->begSmpIdx;
  1315. //r->durSmpCnt = tp->durSmpCnt;
  1316. //r->label = strlen(text)==0 ? NULL : text;
  1317. r->srate = 0;
  1318. //r->midiTrkMsg = NULL;
  1319. //r->textStr = NULL;
  1320. /*
  1321. switch( tp->typeId )
  1322. {
  1323. case kMidiFileTlId:
  1324. r->textStr = _cmTimeLineMidiFileObjPtr(NULL,tp)->fn;
  1325. break;
  1326. case kMidiEvtTlId:
  1327. {
  1328. cmTlMidiEvt_t* mep;
  1329. if((mep = _cmTimeLineMidiEvtObjPtr(NULL,tp)) != NULL )
  1330. {
  1331. r->midiFileObjId = mep->midiFileObjId;
  1332. r->midiTrkMsg = mep->msg;
  1333. }
  1334. }
  1335. break;
  1336. case kAudioFileTlId:
  1337. r->textStr = _cmTimeLineAudioFileObjPtr(NULL,tp)->fn;
  1338. break;
  1339. case kAudioEvtTlId:
  1340. break;
  1341. case kMarkerTlId:
  1342. r->textStr = _cmTimeLineMarkerObjPtr(NULL,tp)->text;
  1343. break;
  1344. default:
  1345. { assert(0); }
  1346. }
  1347. */
  1348. return rc;
  1349. }
  1350. cmTlRC_t cmTimeLineDecode( const void* msg, unsigned msgByteCnt, cmTlUiMsg_t* r )
  1351. {
  1352. cmTlRC_t rc = kOkTlRC;
  1353. _cmTlMsg_t* m = (_cmTlMsg_t*)msg;
  1354. switch( m->typeId )
  1355. {
  1356. case kMsgTlId:
  1357. r->msgId = m->msgId;
  1358. r->srate = m->srate;
  1359. r->seqCnt= m->seqCnt;
  1360. r->seqId = m->seqId;
  1361. break;
  1362. case kObjTlId:
  1363. r->msgId = kInsertMsgTlId;
  1364. rc = _cmTimeLineDecodeObj(msg,msgByteCnt,r);
  1365. break;
  1366. default:
  1367. assert(0);
  1368. }
  1369. return rc;
  1370. }