fork download 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <stdbool.h>
  4. #include <stdint.h>
  5. #include <string.h>
  6.  
  7. //midi event types
  8. enum{
  9. 	NOTE_OFF 				= 0x8,
  10. 	NOTE_ON 				= 0x9,
  11. 	NOTE_AFTERTOUCH 		= 0xA,
  12. 	CONTROLLER 				= 0xB,
  13. 	PROGRAM_CHANGE 			= 0xC,
  14. 	PROGRAM_AFTERTOUCH 		= 0xD,
  15. 	PITCH_BEND 				= 0xE,
  16. };
  17.  
  18. //meta event types
  19. enum{
  20. 	SEQUENCE_NUMBER 		= 0x00,
  21. 	TEXT 					= 0x01,
  22. 	COPYRIGHT_NOTICE 		= 0x02,
  23. 	SEQUENCE_TRACK_NAME 	= 0x03,
  24. 	INSTRUMENT_NAME 		= 0x04,
  25. 	LYRICS 					= 0x05,
  26. 	MARKER 					= 0x06,
  27. 	CUE_POINT 				= 0x07,
  28. 	//UNKNOWN_TEXT			= 0x09;
  29. 	MIDI_CHANNEL_PREFIX 	= 0x20,
  30. 	END_OF_TRACK 			= 0x2F,
  31. 	SET_TEMPO 				= 0x51,
  32. 	SMPTE_OFFSET 			= 0x54,
  33. 	TIME_SIGNATURE 			= 0x58,
  34. 	KEY_SIGNATURE			= 0x59,
  35. 	SEQUENCE_SPECIFIC 		= 0x7F,
  36. };
  37.  
  38. //system exclusive events
  39. /*enum{
  40. 	NORMAL = 0xF0;
  41. 	DIVIDED = 0xF0;
  42. 	DIVIDED = 0xF7;
  43. };*/
  44.  
  45. typedef struct _MthdCD{
  46. 	uint16_t format;
  47. 	uint16_t tracks_count;
  48. 	uint16_t time_division;
  49. 	uint8_t time_divisionType;
  50. }_MthdCD;
  51.  
  52. typedef struct _metaEventStruct{
  53. 	uint8_t type;
  54. 	uint64_t length;
  55. 	uint8_t *data;
  56. }_metaEventStruct;
  57.  
  58. typedef struct _midiEventStruct{
  59. 	uint8_t type;
  60. 	uint8_t channel;
  61. 	uint8_t param1, param2;
  62. }_midiEventStruct;
  63.  
  64. typedef struct _sysExEventStruct{
  65. 	uint64_t length;
  66. 	uint8_t *data;
  67. }_sysExEventStruct;
  68.  
  69. typedef struct _MtrkCD{
  70. 	uint32_t byteCount;
  71. 	uint64_t elementCount;
  72. 	uint64_t *deltaTime;
  73. 	uint8_t *eventType;
  74. 	_metaEventStruct *metaEventValues;
  75. 	_midiEventStruct *midiEventValues;
  76. 	_sysExEventStruct *sysExEventValues;
  77. }_MtrkCD;
  78.  
  79. uint64_t _ReadVariableLength(FILE *file,int *l);
  80. uint8_t _ReadByte(FILE *file);
  81. uint16_t _ReadByte2(FILE *file);
  82. uint32_t _ReadByte4(FILE *file);
  83.  
  84. uint8_t _firstBits4(int byte);
  85. uint8_t _lastBits4(int byte);
  86. uint8_t _firstByte(int bytes);
  87. uint8_t _lastByte(int bytes);
  88.  
  89. int _ReadMthdChunk(FILE *file, _MthdCD *MthdChunkData, int print);
  90. int _ReadMtrkChunk(FILE *file, _MtrkCD *MtrkChunkData, int trackID, int print);
  91.  
  92. int _ParseMidi(char *fileName, int print, int save);
  93.  
  94. uint64_t _ReadVariableLength(FILE *file, int *l){
  95. 	*l=0;
  96. 	uint64_t totalVal = 0;
  97. 	uint8_t curVal=0, copyVal=0;
  98. 	do{
  99. 		copyVal = curVal = _ReadByte(file);
  100. 		copyVal &= ~(1 << 7);
  101. 		totalVal = (totalVal << 7) + copyVal;
  102. 		(*l)++;
  103. 	}while(curVal&(1<<7));
  104. 	return totalVal;
  105. }
  106.  
  107. uint8_t _ReadByte(FILE *file){
  108. 	return (fgetc(file));
  109. }
  110.  
  111. uint16_t _ReadByte2(FILE *file){
  112. 	uint16_t res = fgetc(file);
  113. 	res = (res<<8) + fgetc(file);
  114. 	return res;
  115. }
  116.  
  117. uint32_t _ReadByte4(FILE *file){
  118. 	uint32_t res = fgetc(file);
  119. 	res = (res<<8) + fgetc(file);
  120. 	res = (res<<8) + fgetc(file);
  121. 	res = (res<<8) + fgetc(file);
  122. 	return res;
  123. }
  124.  
  125. uint8_t _firstBits4(int byte){
  126. 	return (byte>>4);
  127. }
  128.  
  129. uint8_t _lastBits4(int byte){
  130. 	return byte-((byte>>4)<<4);
  131. }
  132. uint8_t _firstByte(int bytes){
  133. 	return (bytes>>8);
  134. }
  135.  
  136. uint8_t _lastByte(int bytes){
  137. 	return bytes-((bytes>>8)<<8);
  138. }
  139.  
  140. int _ReadMthdChunk(FILE *file, _MthdCD *MthdChunkData, int print){
  141. 	uint32_t chkName = _ReadByte4(file);
  142. 	if (chkName != 0x4D546864){
  143. 		return 0;
  144. 	}
  145. 	uint32_t chkLength = _ReadByte4(file);
  146. 	if (chkLength != 0x00000006){
  147. 		return 0;
  148. 	}
  149. 	MthdChunkData->format = _ReadByte2(file);
  150. 	MthdChunkData->tracks_count = _ReadByte2(file);
  151. 	MthdChunkData->time_division = _ReadByte2(file);
  152. 	if (MthdChunkData->time_divisionType & (1<<16)){
  153. 		MthdChunkData->time_divisionType = 1;
  154. 	}
  155. 	else{
  156. 		MthdChunkData->time_divisionType = 0;
  157. 	}
  158. 	if (print){
  159. 		printf("\n\n\n--------------------------------------------------------------------------------\nParsed MThd:\n\n");
  160. 		printf("Chunk Name: %26s%c%c%c%c\n","",(char)(chkName>>24),(char)((chkName>>16)%0x100),(char)((chkName>>8)%0x100),(char)((chkName)%0x100));
  161. 		printf("Chunk Size: %24d bytes\n\n",chkLength);
  162. 		char str[25];
  163. 		switch (MthdChunkData->format){
  164. 			case 0x00000000:
  165. 				strcpy(str,"Single Track");
  166. 				break;
  167. 			case 0x00000001:
  168. 				strcpy(str,"Multiple Track");
  169. 				break;
  170. 			case 0x00000002:
  171. 				strcpy(str,"Multiple Song");
  172. 				break;
  173. 			default:
  174. 				return 0;
  175. 		}
  176. 		printf("Midi Format: %29s\n",str);
  177. 		printf("Number of Tracks: %24d\n",MthdChunkData->tracks_count);
  178. 		switch(MthdChunkData->time_divisionType){
  179. 			case 0x00:
  180. 				strcpy(str,"Ticks per Quarter Note");
  181. 				break;
  182. 			case 0x01:
  183. 				strcpy(str,"Frames per Second");
  184. 				break;
  185. 			default:
  186. 				return 0;
  187. 		}
  188. 		printf("Time Division Type: %22s\nTime Division Value: %21d\n",str,MthdChunkData->time_division);
  189. 	}
  190. 	return 1;
  191. }
  192.  
  193. int _ReadMtrkChunk(FILE *file, _MtrkCD *MtrkChunkData, int trackID, int print){
  194. 	//static int trackID = 0;
  195. 	int i,j;
  196. 	uint32_t chkName = _ReadByte4(file);
  197. 	if (chkName != 0x4D54726B){
  198. 		return 0;
  199. 	}
  200. 	MtrkChunkData->byteCount = _ReadByte4(file);
  201. 	uint32_t parsedLength = MtrkChunkData->byteCount;
  202.  
  203. 	uint8_t midiEventType;
  204. 	uint8_t midiChannel;
  205.  
  206. 	int l=0;
  207.  
  208. 	MtrkChunkData->elementCount=0;
  209. 	MtrkChunkData->deltaTime=(uint64_t *)(malloc(sizeof(uint64_t)));
  210. 	MtrkChunkData->eventType=(uint8_t *)(malloc(sizeof(uint8_t)));
  211. 	MtrkChunkData->metaEventValues=(_metaEventStruct *)(malloc(sizeof(_metaEventStruct)));
  212. 	MtrkChunkData->midiEventValues=(_midiEventStruct *)(malloc(sizeof(_midiEventStruct)));
  213. 	MtrkChunkData->sysExEventValues=(_sysExEventStruct *)(malloc(sizeof(_sysExEventStruct)));
  214.  
  215. 	while (parsedLength > 0){
  216. 		MtrkChunkData->deltaTime=(realloc(MtrkChunkData->deltaTime,sizeof(uint64_t) * (MtrkChunkData->elementCount+1)));
  217. 		MtrkChunkData->eventType=(realloc(MtrkChunkData->eventType,sizeof(uint8_t) * (MtrkChunkData->elementCount+1)));
  218. 		MtrkChunkData->metaEventValues=(realloc(MtrkChunkData->metaEventValues,sizeof(_metaEventStruct) * (MtrkChunkData->elementCount+1)));
  219. 		MtrkChunkData->midiEventValues=(realloc(MtrkChunkData->midiEventValues,sizeof(_midiEventStruct) * (MtrkChunkData->elementCount+1)));
  220. 		MtrkChunkData->sysExEventValues=(realloc(MtrkChunkData->sysExEventValues,sizeof(_sysExEventStruct) * (MtrkChunkData->elementCount+1)));
  221.  
  222. 		//getch();
  223. 		//printf("looped... toBeParsedLength is %d \n",parsedLength);
  224. 		((MtrkChunkData->deltaTime)[MtrkChunkData->elementCount]) = _ReadVariableLength(file,&l);
  225. 		//printf("Variable length: %d\n",MtrkChunkData->deltaTime);
  226. 		parsedLength-=l;
  227. 		uint8_t nByte = _ReadByte(file);
  228. 		//printf("nByte: 0x%X\n",nByte);
  229. 		parsedLength-=1;
  230. 		//check nByte for event type
  231. 		switch(nByte){
  232. 			//meta event case
  233. 			case 0xFF:
  234. 				((MtrkChunkData->eventType)[MtrkChunkData->elementCount])=1;
  235. 				//printf("Found META event\n");
  236. 				((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).type = _ReadByte(file);
  237. 				//printf("Meta event 0x%X\n",metaEventType);
  238. 				parsedLength-=1;
  239. 				switch(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).type){
  240. 					//might seem trivial to seperate types since all is scanned the same way but it is actually needed for separating conversion and track combination
  241. 					case SEQUENCE_NUMBER:
  242. 					case KEY_SIGNATURE:
  243. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadByte(file);
  244. 						parsedLength-=1;
  245. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  246. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  247. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  248. 							parsedLength-=1;
  249. 						}
  250. 						break;
  251. 					case SEQUENCE_SPECIFIC:
  252. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  253. 						parsedLength-=l;
  254. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  255. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  256. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  257. 							parsedLength-=1;
  258. 						}
  259. 						break;
  260. 					case TEXT:
  261. 					case COPYRIGHT_NOTICE:
  262. 					case SEQUENCE_TRACK_NAME:
  263. 					case INSTRUMENT_NAME:
  264. 					case LYRICS:
  265. 					case MARKER:
  266. 					case CUE_POINT:
  267. 					case 0x09: //unknown text event
  268. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  269. 						parsedLength-=l;
  270. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  271. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  272. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  273. 							parsedLength-=1;
  274. 						}
  275. 						(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i]='\0';
  276. 						break;
  277. 					case MIDI_CHANNEL_PREFIX:
  278. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  279. 						parsedLength-=l;
  280. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  281. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  282. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  283. 							parsedLength-=1;
  284. 						}
  285. 						break;
  286. 					case SET_TEMPO:
  287. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  288. 						parsedLength-=l;
  289. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  290. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  291. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  292. 							parsedLength-=1;
  293. 						}
  294. 						break;
  295. 					case SMPTE_OFFSET:
  296. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  297. 						parsedLength-=l;
  298. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  299. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  300. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  301. 							parsedLength-=1;
  302. 						}
  303. 						break;
  304. 					case TIME_SIGNATURE:
  305. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  306. 						parsedLength-=l;
  307. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  308. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  309. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  310. 							parsedLength-=1;
  311. 						}
  312. 						break;
  313. 					case END_OF_TRACK:
  314. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  315. 						parsedLength-=l;
  316. 						((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length));
  317. 						for (i=0;i<((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).length;i++){
  318. 							(((MtrkChunkData->metaEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  319. 							parsedLength-=1;
  320. 						}
  321. 						break;
  322. 					default:
  323. 						return 0;
  324. 				}
  325. 				break;
  326. 			//system exclusive event case
  327. 			case 0xF0:
  328. 			case 0xF7:
  329. 				((MtrkChunkData->eventType)[MtrkChunkData->elementCount])=2;
  330. 				//printf("Found System Exclusive event\n");
  331. 				((MtrkChunkData->sysExEventValues)[MtrkChunkData->elementCount]).length=_ReadVariableLength(file,&l);
  332. 				parsedLength-=l;
  333. 				((MtrkChunkData->sysExEventValues)[MtrkChunkData->elementCount]).data=(uint8_t *)(malloc(sizeof(uint8_t) * ((MtrkChunkData->sysExEventValues)[MtrkChunkData->elementCount]).length));
  334. 				for (i=0;i<((MtrkChunkData->sysExEventValues)[MtrkChunkData->elementCount]).length;i++){
  335. 					(((MtrkChunkData->sysExEventValues)[MtrkChunkData->elementCount]).data)[i] = _ReadByte(file);
  336. 					parsedLength-=1;
  337. 				}
  338. 				break;
  339. 			//midi event case
  340. 			default:
  341. 				((MtrkChunkData->eventType)[MtrkChunkData->elementCount])=0;
  342. 				//printf("Found MIDI event\n");
  343. 				midiEventType = _firstBits4(nByte);
  344. 				midiChannel = _lastBits4(nByte);
  345. 				//printf("MIDI event type: 0x%X\n",midiEventType);
  346. 				switch (midiEventType){
  347. 					case NOTE_OFF:
  348. 					case NOTE_ON:
  349. 					case NOTE_AFTERTOUCH:
  350. 					case CONTROLLER:
  351. 					case PITCH_BEND:
  352. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).type = midiEventType;
  353. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).channel = midiChannel;
  354. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).param1 = _ReadByte(file);
  355. 						parsedLength-=1;
  356. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount].param2) = _ReadByte(file);
  357. 						parsedLength-=1;
  358. 						break;
  359. 					case PROGRAM_CHANGE:
  360. 					case PROGRAM_AFTERTOUCH:
  361. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).type = midiEventType;
  362. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).channel = midiChannel;
  363. 						((MtrkChunkData->midiEventValues)[MtrkChunkData->elementCount]).param1 = _ReadByte(file);
  364. 						parsedLength-=1;
  365. 						break;
  366. 					default:
  367. 						return 0;
  368. 				}
  369. 				break;
  370. 		}
  371. 		(MtrkChunkData->elementCount)++;
  372. 	}
  373. 	if (print){
  374. 		printf("\n\n\n--------------------------------------------------------------------------------\n");
  375. 		printf("++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
  376. 		printf("--------------------------------------------------------------------------------\nParsed MTrk[%d]:\n\n",trackID);
  377. 		printf("Chunk Name: %26s%c%c%c%c\n","",(char)(chkName>>24),(char)((chkName>>16)%0x100),(char)((chkName>>8)%0x100),(char)((chkName)%0x100));
  378. 		printf("Chunk Size: %24d bytes\n",MtrkChunkData->byteCount);
  379. 		printf("Number of Events: %24d\n",MtrkChunkData->elementCount);
  380. 		printf("\nEvents:\n");
  381. 		char str[40]={'\0'};
  382. 		for (i=0;i<MtrkChunkData->elementCount;i++){
  383. 			printf("\nDelta Time Value: %18d ticks\n",MtrkChunkData->deltaTime[i]);
  384. 			switch(MtrkChunkData->eventType[i]){
  385. 				case 2:
  386. 					strcpy(str,"System Exclusive Event");
  387. 					break;
  388. 				case 1:
  389. 					strcpy(str,"META Event");
  390. 					break;
  391. 				case 0:
  392. 					strcpy(str,"MIDI Event");
  393. 					break;
  394. 			}
  395. 			printf("Event Type: %30s\n",str);
  396. 			if (MtrkChunkData->eventType[i] == 1){
  397. 				switch(MtrkChunkData->metaEventValues[i].type){
  398. 					case SEQUENCE_NUMBER:
  399. 						strcpy(str,"Sequence Number Event");
  400. 						break;
  401. 					case TEXT:
  402. 						strcpy(str,"Text Event");
  403. 						break;
  404. 					case COPYRIGHT_NOTICE:
  405. 						strcpy(str,"Copyright Notice Event");
  406. 						break;
  407. 					case SEQUENCE_TRACK_NAME:
  408. 						strcpy(str,"Sequence / Track Name Event");
  409. 						break;
  410. 					case INSTRUMENT_NAME:
  411. 						strcpy(str,"Instrument Name Event");
  412. 						break;
  413. 					case LYRICS:
  414. 						strcpy(str,"Lyrics Event");
  415. 						break;
  416. 					case MARKER:
  417. 						strcpy(str,"Marker Event");
  418. 						break;
  419. 					case CUE_POINT:
  420. 						strcpy(str,"Cue Point Event");
  421. 						break;
  422. 					case 0x09:
  423. 						strcpy(str,"Unknown Text Type Event");
  424. 						break;
  425. 					case MIDI_CHANNEL_PREFIX:
  426. 						strcpy(str,"MIDI Channel Prefix Event");
  427. 						break;
  428. 					case END_OF_TRACK:
  429. 						strcpy(str,"End of Track Event");
  430. 						break;
  431. 					case SET_TEMPO:
  432. 						strcpy(str,"Set Tempo Event");
  433. 						break;
  434. 					case SMPTE_OFFSET:
  435. 						strcpy(str,"SMPTE Offset Event");
  436. 						break;
  437. 					case TIME_SIGNATURE:
  438. 						strcpy(str,"Time Signature Event");
  439. 						break;
  440. 					case KEY_SIGNATURE:
  441. 						strcpy(str,"Key Signature Event");
  442. 						break;
  443. 					case SEQUENCE_SPECIFIC:
  444. 						strcpy(str,"Sequencer Specific Event");
  445. 						break;
  446. 					default:
  447. 						strcpy(str,"UNKNOWN EVENT");
  448. 				}
  449. 				printf("Event Sub-Type: %26s\n",str);
  450. 				switch(MtrkChunkData->metaEventValues[i].type){
  451. 					case SEQUENCE_NUMBER:
  452. 						printf("Event Parameters:\n");
  453. 						printf("Value: %0x04X\n",MtrkChunkData->metaEventValues[i].data[0]<<8+MtrkChunkData->metaEventValues[i].data[1]);
  454. 						break;
  455. 					case TEXT:
  456. 					case COPYRIGHT_NOTICE:
  457. 					case SEQUENCE_TRACK_NAME:
  458. 					case INSTRUMENT_NAME:
  459. 					case LYRICS:
  460. 					case MARKER:
  461. 					case CUE_POINT:
  462. 					case 0x09:
  463. 						printf("Event Parameters:\n");
  464. 						printf("%s\n",(char *)MtrkChunkData->metaEventValues[i].data);
  465. 						break;
  466. 					case MIDI_CHANNEL_PREFIX:
  467. 						printf("Event Parameters:\n");
  468. 						printf("Channel: %d\n",MtrkChunkData->metaEventValues[i].data[0]);
  469. 						break;
  470. 					case SET_TEMPO:
  471. 						printf("Event Parameters:\n");
  472. 						printf("Value: %8u Microseconds per Quarter Note\n",(MtrkChunkData->metaEventValues[i].data[0]<<16)+(MtrkChunkData->metaEventValues[i].data[1]<<8)+MtrkChunkData->metaEventValues[i].data[2]);
  473. 						break;
  474. 					case SMPTE_OFFSET:
  475. 						printf("Event Parameters:\n");
  476. 						printf("Hour: %-2d  Min: %-2d  Sec: %-2d  Frames: %-2d  Sub-Frames: %-2d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1],MtrkChunkData->metaEventValues[i].data[2],MtrkChunkData->metaEventValues[i].data[3],MtrkChunkData->metaEventValues[i].data[4]);
  477. 						break;
  478. 					case TIME_SIGNATURE:
  479. 						printf("Event Parameters:\n");
  480. 						printf("Numerator: %-3d  Denominator: %-3d  Metronome: %-3d  1/32: %-3d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1],MtrkChunkData->metaEventValues[i].data[2],MtrkChunkData->metaEventValues[i].data[3]);
  481. 						break;
  482. 					case KEY_SIGNATURE:
  483. 						printf("Event Parameters:\n");
  484. 						printf("Key: %+2d Scale: %d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1]);
  485. 						break;
  486. 					default:
  487. 						break;
  488. 				}
  489. 			}
  490. 			else if (MtrkChunkData->eventType[i] == 2){
  491. 				printf("Event Parameters:\n Value: 0x");
  492. 				for (j=0;j<MtrkChunkData->sysExEventValues[i].length;j++){
  493. 					printf("%02X",MtrkChunkData->sysExEventValues[i].data[j]);
  494. 				}
  495. 				printf("\n");
  496. 			}
  497. 			else{
  498. 				switch(MtrkChunkData->midiEventValues[i].type){
  499. 					case NOTE_OFF:
  500. 						strcpy(str,"Note-Off Event");
  501. 						break;
  502. 					case NOTE_ON:
  503. 						strcpy(str,"Note-On Event");
  504. 						break;
  505. 					case NOTE_AFTERTOUCH:
  506. 						strcpy(str,"Note Aftertouch Event");
  507. 						break;
  508. 					case CONTROLLER:
  509. 						strcpy(str,"Controller Event");
  510. 						break;
  511. 					case PROGRAM_CHANGE:
  512. 						strcpy(str,"Program Change Event");
  513. 						break;
  514. 					case PROGRAM_AFTERTOUCH:
  515. 						strcpy(str,"Program Aftertouch Event");
  516. 						break;
  517. 					case PITCH_BEND:
  518. 						strcpy(str,"Pitch Bend Event");
  519. 						break;
  520. 					default:
  521. 						strcpy(str,"UNKNOWN Event");
  522. 				}
  523. 				printf("Event Sub-Type: %26s\n",str);
  524. 				switch(MtrkChunkData->midiEventValues[i].type){
  525. 					case NOTE_OFF:
  526. 					case NOTE_ON:
  527. 						printf("Event Parameters:\n");
  528. 						printf("Note Number: %d  Note Velocity: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  529. 						break;
  530. 					case NOTE_AFTERTOUCH:
  531. 						printf("Event Parameters:\n");
  532. 						printf("Note Number: %d  Aftertouch Value: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  533. 						break;
  534. 					case CONTROLLER:
  535. 						printf("Event Parameters:\n");
  536. 						printf("Controller Number: %d  Controller Value: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  537. 						break;
  538. 					case PROGRAM_CHANGE:
  539. 						printf("Event Parameters:\n");
  540. 						printf("Program Number: %d\n",MtrkChunkData->midiEventValues[i].param1);
  541. 						break;
  542. 					case PROGRAM_AFTERTOUCH:
  543. 						printf("Event Parameters:\n");
  544. 						printf("Aftertouch Value: %d\n",MtrkChunkData->midiEventValues[i].param1);
  545. 						break;
  546. 					case PITCH_BEND:
  547. 						printf("Event Parameters:\n");
  548. 						printf("Pitch Value: %d\n",MtrkChunkData->midiEventValues[i].param1 + (MtrkChunkData->midiEventValues[i].param2>>8));
  549. 						break;
  550. 					default:
  551. 						break;
  552. 				}
  553. 			}
  554. 			printf("Press ANY key to continue...\n");
  555. 			getch();
  556. 		}
  557. 	}
  558. 	return 1;
  559. }
  560.  
  561. int _ParseMidi(char *fileName, int print, int save){
  562. 	FILE *midiFile;
  563. 	_MthdCD *MthdData = (_MthdCD *)(malloc(sizeof(_MthdCD)));
  564. 	midiFile = fopen(fileName, "rb");
  565. 	if (midiFile == NULL){
  566. 		printf("Failed to open the file. Are you sure the file exists?\n");
  567. 		return 0;
  568. 	}
  569. 	if (!_ReadMthdChunk(midiFile,MthdData, print)){
  570. 		printf("Error reading MThd Chunk. Bad MThd.\n");
  571. 		return 0;
  572. 	}
  573.  
  574. 	_MtrkCD **MtrkDatas = (_MtrkCD **)(malloc(sizeof(_MtrkCD *)));
  575. 	uint64_t i,j,k,p;
  576. 	for (p=0;p<MthdData->tracks_count;p++){
  577. 		MtrkDatas[p] = (_MtrkCD *)(malloc(sizeof(_MtrkCD)));
  578. 		if(!_ReadMtrkChunk(midiFile,MtrkDatas[p],p,print)){
  579. 			printf("Error reading MTrk Chunk. Bad MTrk.\n");
  580. 			return 0;
  581. 		}
  582. 	}
  583.  
  584. 	fclose(midiFile);
  585.  
  586. 	if (save){
  587. 		char saveFileName[40];
  588. 		strcpy(saveFileName,fileName);
  589. 		strcpy(saveFileName+strlen(fileName)-4," Parsed.txt");
  590. 		FILE *saveFile;
  591. 		//printf("saveFileName: %s.",saveFileName);
  592.  
  593. 		saveFile = fopen(saveFileName,"w");
  594. 		if (saveFile == NULL){
  595. 			printf("Failed to open save file.\n");
  596. 			return 0;
  597. 		}
  598.  
  599. 		fprintf(saveFile,"\n\n\n--------------------------------------------------------------------------------\n\n\n\nParsed MThd:\n\n");
  600. 		fprintf(saveFile,"Chunk Name: %26sMThd\n","");
  601. 		fprintf(saveFile,"Chunk Size: %23s6 bytes\n\n","");
  602. 		char str[40];
  603. 		switch (MthdData->format){
  604. 			case 0x00000000:
  605. 				strcpy(str,"Single Track");
  606. 				break;
  607. 			case 0x00000001:
  608. 				strcpy(str,"Multiple Track");
  609. 				break;
  610. 			case 0x00000002:
  611. 				strcpy(str,"Multiple Song");
  612. 				break;
  613. 			default:
  614. 				return 0;
  615. 		}
  616. 		fprintf(saveFile,"Midi Format: %29s\n",str);
  617. 		fprintf(saveFile,"Number of Tracks: %24d\n",MthdData->tracks_count);
  618. 		switch(MthdData->time_divisionType){
  619. 			case 0x00:
  620. 				strcpy(str,"Ticks per Quarter Note");
  621. 				break;
  622. 			case 0x01:
  623. 				strcpy(str,"Frames per Second");
  624. 				break;
  625. 			default:
  626. 				return 0;
  627. 		}
  628. 		fprintf(saveFile,"Time Division Type: %22s\nTime Division Value: %21d\n",str,MthdData->time_division);
  629.  
  630. 		for (k=0;k<(MthdData->tracks_count);k++){
  631. 			_MtrkCD *MtrkChunkData = MtrkDatas[k];
  632. 			fprintf(saveFile,"\n\n\n--------------------------------------------------------------------------------\n");
  633. 			fprintf(saveFile,"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++\n");
  634. 			fprintf(saveFile,"--------------------------------------------------------------------------------\n\n\n\nParsed MTrk[%d]:\n\n",k);
  635. 			fprintf(saveFile,"Chunk Name: %26sMTrk\n","");
  636. 			fprintf(saveFile,"Chunk Size: %24d bytes\n",MtrkChunkData->byteCount);
  637. 			fprintf(saveFile,"Number of Events: %24d\n",MtrkChunkData->elementCount);
  638. 			fprintf(saveFile,"\nEvents:\n");
  639. 			for (i=0;i<MtrkChunkData->elementCount;i++){
  640. 				fprintf(saveFile,"\nDelta Time Value: %18d ticks\n",(MtrkChunkData->deltaTime)[i]);
  641. 				switch((MtrkChunkData->eventType)[i]){
  642. 					case 2:
  643. 						strcpy(str,"System Exclusive Event");
  644. 						break;
  645. 					case 1:
  646. 						strcpy(str,"META Event");
  647. 						break;
  648. 					case 0:
  649. 						strcpy(str,"MIDI Event");
  650. 						break;
  651. 				}
  652. 				fprintf(saveFile,"Event Type: %30s\n",str);
  653. 				if (MtrkChunkData->eventType[i] == 1){
  654. 					switch(((MtrkChunkData->metaEventValues)[i]).type){
  655. 						case SEQUENCE_NUMBER:
  656. 							strcpy(str,"Sequence Number Event");
  657. 							break;
  658. 						case TEXT:
  659. 							strcpy(str,"Text Event");
  660. 							break;
  661. 						case COPYRIGHT_NOTICE:
  662. 							strcpy(str,"Copyright Notice Event");
  663. 							break;
  664. 						case SEQUENCE_TRACK_NAME:
  665. 							strcpy(str,"Sequence / Track Name Event");
  666. 							break;
  667. 						case INSTRUMENT_NAME:
  668. 							strcpy(str,"Instrument Name Event");
  669. 							break;
  670. 						case LYRICS:
  671. 							strcpy(str,"Lyrics Event");
  672. 							break;
  673. 						case MARKER:
  674. 							strcpy(str,"Marker Event");
  675. 							break;
  676. 						case CUE_POINT:
  677. 							strcpy(str,"Cue Point Event");
  678. 							break;
  679. 						case 0x09:
  680. 							strcpy(str,"Unknown Text Type Event");
  681. 							break;
  682. 						case MIDI_CHANNEL_PREFIX:
  683. 							strcpy(str,"MIDI Channel Prefix Event");
  684. 							break;
  685. 						case END_OF_TRACK:
  686. 							strcpy(str,"End of Track Event");
  687. 							break;
  688. 						case SET_TEMPO:
  689. 							strcpy(str,"Set Tempo Event");
  690. 							break;
  691. 						case SMPTE_OFFSET:
  692. 							strcpy(str,"SMPTE Offset Event");
  693. 							break;
  694. 						case TIME_SIGNATURE:
  695. 							strcpy(str,"Time Signature Event");
  696. 							break;
  697. 						case KEY_SIGNATURE:
  698. 							strcpy(str,"Key Signature Event");
  699. 							break;
  700. 						case SEQUENCE_SPECIFIC:
  701. 							strcpy(str,"Sequencer Specific Event");
  702. 							break;
  703. 						default:
  704. 							strcpy(str,"UNKNOWN EVENT");
  705. 					}
  706. 					fprintf(saveFile,"Event Sub-Type: %26s\n",str);
  707. 					switch(MtrkChunkData->metaEventValues[i].type){
  708. 						case SEQUENCE_NUMBER:
  709. 							fprintf(saveFile,"Event Parameters:\n");
  710. 							fprintf(saveFile,"Value: %0x04X\n",(((((MtrkChunkData->metaEventValues)[i]).data)[0])<<8)+((((MtrkChunkData->metaEventValues)[i]).data)[1]));
  711. 							break;
  712. 						case TEXT:
  713. 						case COPYRIGHT_NOTICE:
  714. 						case SEQUENCE_TRACK_NAME:
  715. 						case INSTRUMENT_NAME:
  716. 						case LYRICS:
  717. 						case MARKER:
  718. 						case CUE_POINT:
  719. 						case 0x09:
  720. 							fprintf(saveFile,"Event Parameters:\n");
  721. 							fprintf(saveFile,"%s\n",(char *)(((MtrkChunkData->metaEventValues)[i]).data));
  722. 							break;
  723. 						case MIDI_CHANNEL_PREFIX:
  724. 							fprintf(saveFile,"Event Parameters:\n");
  725. 							fprintf(saveFile,"Channel: %d\n",((((MtrkChunkData->metaEventValues)[i]).data)[0]));
  726. 							break;
  727. 						case SET_TEMPO:
  728. 							fprintf(saveFile,"Event Parameters:\n");
  729. 							fprintf(saveFile,"Value: %8u Microseconds per Quarter Note\n",((MtrkChunkData->metaEventValues[i].data[0])<<16)+((MtrkChunkData->metaEventValues[i].data[1])<<8)+(MtrkChunkData->metaEventValues[i].data[2]));
  730. 							break;
  731. 						case SMPTE_OFFSET:
  732. 							fprintf(saveFile,"Event Parameters:\n");
  733. 							fprintf(saveFile,"Hour: %-2d  Min: %-2d  Sec: %-2d  Frames: %-2d  Sub-Frames: %-2d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1],MtrkChunkData->metaEventValues[i].data[2],MtrkChunkData->metaEventValues[i].data[3],MtrkChunkData->metaEventValues[i].data[4]);
  734. 							break;
  735. 						case TIME_SIGNATURE:
  736. 							fprintf(saveFile,"Event Parameters:\n");
  737. 							fprintf(saveFile,"Numerator: %-3d  Denominator: %-3d  Metronome: %-3d  1/32: %-3d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1],MtrkChunkData->metaEventValues[i].data[2],MtrkChunkData->metaEventValues[i].data[3]);
  738. 							break;
  739. 						case KEY_SIGNATURE:
  740. 							fprintf(saveFile,"Event Parameters:\n");
  741. 							fprintf(saveFile,"Key: %+2d Scale: %d\n",MtrkChunkData->metaEventValues[i].data[0],MtrkChunkData->metaEventValues[i].data[1]);
  742. 							break;
  743. 						default:
  744. 							break;
  745. 					}
  746. 				}
  747. 				else if (MtrkChunkData->eventType[i] == 2){
  748. 					fprintf(saveFile,"Event Parameters:\n Value: 0x");
  749. 					for (j=0;j<(((MtrkChunkData->sysExEventValues)[i]).length);j++){
  750. 						fprintf(saveFile,"%02X",MtrkChunkData->sysExEventValues[i].data[j]);
  751. 					}
  752. 					fprintf(saveFile,"\n");
  753. 				}
  754. 				else{
  755. 					switch(MtrkChunkData->midiEventValues[i].type){
  756. 						case NOTE_OFF:
  757. 							strcpy(str,"Note-Off Event");
  758. 							break;
  759. 						case NOTE_ON:
  760. 							strcpy(str,"Note-On Event");
  761. 							break;
  762. 						case NOTE_AFTERTOUCH:
  763. 							strcpy(str,"Note Aftertouch Event");
  764. 							break;
  765. 						case CONTROLLER:
  766. 							strcpy(str,"Controller Event");
  767. 							break;
  768. 						case PROGRAM_CHANGE:
  769. 							strcpy(str,"Program Change Event");
  770. 							break;
  771. 						case PROGRAM_AFTERTOUCH:
  772. 							strcpy(str,"Program Aftertouch Event");
  773. 							break;
  774. 						case PITCH_BEND:
  775. 							strcpy(str,"Pitch Bend Event");
  776. 							break;
  777. 						default:
  778. 							strcpy(str,"UNKNOWN Event");
  779. 					}
  780. 					fprintf(saveFile,"Event Sub-Type: %26s\n",str);
  781. 					switch(MtrkChunkData->midiEventValues[i].type){
  782. 						case NOTE_OFF:
  783. 						case NOTE_ON:
  784. 							fprintf(saveFile,"Event Parameters:\n");
  785. 							fprintf(saveFile,"Note Number: %d  Note Velocity: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  786. 							break;
  787. 						case NOTE_AFTERTOUCH:
  788. 							fprintf(saveFile,"Event Parameters:\n");
  789. 							fprintf(saveFile,"Note Number: %d  Aftertouch Value: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  790. 							break;
  791. 						case CONTROLLER:
  792. 							fprintf(saveFile,"Event Parameters:\n");
  793. 							fprintf(saveFile,"Controller Number: %d  Controller Value: %d\n",MtrkChunkData->midiEventValues[i].param1,MtrkChunkData->midiEventValues[i].param2);
  794. 							break;
  795. 						case PROGRAM_CHANGE:
  796. 							fprintf(saveFile,"Event Parameters:\n");
  797. 							fprintf(saveFile,"Program Number: %d\n",MtrkChunkData->midiEventValues[i].param1);
  798. 							break;
  799. 						case PROGRAM_AFTERTOUCH:
  800. 							fprintf(saveFile,"Event Parameters:\n");
  801. 							fprintf(saveFile,"Aftertouch Value: %d\n",MtrkChunkData->midiEventValues[i].param1);
  802. 							break;
  803. 						case PITCH_BEND:
  804. 							fprintf(saveFile,"Event Parameters:\n");
  805. 							fprintf(saveFile,"Pitch Value: %d\n",MtrkChunkData->midiEventValues[i].param1 + (MtrkChunkData->midiEventValues[i].param2>>8));
  806. 							break;
  807. 						default:
  808. 							break;
  809. 					}
  810. 				}
  811. 			}
  812. 		}
  813.  
  814. 		fprintf(saveFile,"\n\n\n--------------------------------------------------------------------------------\n\n\n");
  815. 		fprintf(saveFile,"Additional Information:\n");
  816. 		uint64_t totalSize=0;
  817. 		totalSize += 14; //MThd has fixed size of 14 bytes
  818. 		for (k=0;k<MthdData->tracks_count;k++){
  819. 			_MtrkCD *MtrkChunkData = MtrkDatas[k];
  820. 			totalSize += MtrkChunkData->byteCount;
  821. 		}
  822. 		fprintf(saveFile,"\nFile is OK!\nTotal: %u bytes\n",totalSize);
  823. 		fclose(saveFile);
  824. 	}
  825. 	return 1;
  826. }
  827.  
  828. int main(){
  829. 	// use all variables as unsigned as long as it's feasible, otherwise you will risk wasting at least one bit of data os Sig
  830. 	char fileName[40];
  831. 	int opt;
  832. 	int ret;
  833. 	printf("Enter filename: ");
  834. 	fflush(stdin);
  835. 	scanf("%[^\n]39s",fileName);
  836. 	printf("1- Check File\n2- Parse File\n3- Save File\n");
  837. 	scanf("%d",&opt);
  838. 	switch(opt){
  839. 		case 1:
  840. 			ret = _ParseMidi(fileName,0,0);
  841. 			break;
  842. 		case 2:
  843. 			ret = _ParseMidi(fileName,1,0);
  844. 			break;
  845. 		case 3:
  846. 			ret = _ParseMidi(fileName,0,1);
  847. 			break;
  848. 		default:
  849. 			printf("Invalid input\n");
  850. 			break;
  851. 	}
  852. 	if (!ret){
  853. 		printf("File has error(s).\n");
  854. 	}
  855. 	else{
  856. 		printf("File is OK!\n");
  857. 	}
  858. 	printf("Press ENTER to exit the application.\n");
  859. 	fflush(stdin);
  860. 	gets(fileName);
  861. 	return 0;
  862. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
home.mid
3
compilation info 
prog.c: In function ‘_ReadMtrkChunk’:
prog.c:379:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
   printf("Number of Events: %24d\n",MtrkChunkData->elementCount);
                                ^
prog.c:383:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
    printf("\nDelta Time Value: %18d ticks\n",MtrkChunkData->deltaTime[i]);
                                   ^
prog.c:453:76: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses]
       printf("Value: %0x04X\n",MtrkChunkData->metaEventValues[i].data[0]<<8+MtrkChunkData->metaEventValues[i].data[1]);
                                                                           ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
prog.c:555:4: warning: implicit declaration of function ‘getch’ [-Wimplicit-function-declaration]
    getch();
    ^~~~~
prog.c: In function ‘_ParseMidi’:
prog.c:634:123: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
    fprintf(saveFile,"--------------------------------------------------------------------------------\n\n\n\nParsed MTrk[%d]:\n\n",k);
                                                                                                                           ^
prog.c:637:43: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
    fprintf(saveFile,"Number of Events: %24d\n",MtrkChunkData->elementCount);
                                           ^
prog.c:640:46: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
     fprintf(saveFile,"\nDelta Time Value: %18d ticks\n",(MtrkChunkData->deltaTime)[i]);
                                              ^
prog.c:822:44: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘uint64_t {aka long unsigned int}’ [-Wformat=]
   fprintf(saveFile,"\nFile is OK!\nTotal: %u bytes\n",totalSize);
                                            ^
prog.c: In function ‘main’:
prog.c:860:2: warning: implicit declaration of function ‘gets’ [-Wimplicit-function-declaration]
  gets(fileName);
  ^~~~
prog.c:852:5: warning: ‘ret’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (!ret){
     ^
/home/iNzB6e/ccsKHaIh.o: In function `main':
prog.c:(.text.startup+0xa6): warning: the `gets' function is dangerous and should not be used.
/home/iNzB6e/ccsKHaIh.o: In function `_ReadMtrkChunk':
prog.c:(.text+0xd90): undefined reference to `getch'
collect2: error: ld returned 1 exit status
stdout 
Standard output is empty
https://ideone.com/Dmjhtl
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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