#include #include int main(int argc,char *argv[]){ if(argc<2) exit(EXIT_FAILURE); char *nom=argv[1]; FILE *fichier=fopen(nom,"r"); if(fichier==NULL) exit(EXIT_FAILURE); unsigned char c[2]; // HEADER fread(c,2,1,fichier); if((c[0]==0x4d) && (c[1]==0x54)) { fread(c,2,1,fichier); printf("Fichier MIDI détecté.\n"); fread(c,2,1,fichier); //longueur header int longueur=0; longueur=(c[1] << 16) + (c[0] << 32); fread(c,2,1,fichier); longueur=longueur + c[1] + (c[0] << 8); printf("taille header = %d \n",longueur); //format header fread(c,2,1,fichier); if(c[1]==0x00) printf("le format est : single track\n"); if(c[1]==0x01) printf("le format est : multiple track\n"); if(c[1]==0x02) printf("le format est : multiple song\n"); //nbre de morceaux fread(c,2,1,fichier); int n = 0; n=c[1] + (c[0] << 8); printf("le nombre de gros morceaux est : %d \n", n); //nbre ticks/beat fread(c,2,1,fichier); int ticks = 0; ticks = c[1] + (c[0] << 8); printf("nombre de ticks/beat = %d \n",ticks); //Dans un morceau RECUPERATION DE LA TAILLE DE LA CHANSON à partir du Mrtk fread(c,2,1,fichier); if ((c[0]==0x4d) && (c[1]==0x54)) { printf("morceau?\n"); fread(c,2,1,fichier); if ((c[0]==0x72) && (c[1]==0x6b)) { printf("oui\n");} fread(c,2,1,fichier); int longueur_track = (c[1] << 16) + (c[0] << 32); fread(c,2,1,fichier); longueur_track = longueur_track + c[1] + (c[0] << 8); printf("la longueur du morceau est de : %d octets \n", longueur_track); } //Track event //while(1) //{ //recup timing fread(c,1,1,fichier); int time= c[0]; if(c[0]>128) { unsigned char k; fread(&k,1,1,fichier); time = ((c[0]&0x0F)<<8) + k; printf("moment evenement : %d\n",time); } printf("moment evenement : %d\n",time); //QUEL TYPE EVENEMENT fread(c,1,1,fichier); //meta evevenemnt if (c[0]==0xff) { printf("meta evenement : \n"); fread(c,2,1,fichier); if(c[0]==0x00) {printf("le numéro de la sequence est: \n");} if(c[0]==0x01) {printf("evenement text \n");} if(c[0]==0x02) {printf("copyright notice\n");} if(c[0]==0x03) {printf("sequence or track name \n");} if(c[0]==0x04) {printf("instrument name \n");} if(c[0]==0x05) {printf("lyric text \n");} if(c[0]==0x06) {printf("marker text \n");} if(c[0]==0x07) {printf("cue point \n");} if(c[0]==0x20) {printf("MIDI channel \n");} if(c[0]==0x2f) {printf("end of track \n");} if(c[0]==0x51) {printf("tempo setting \n");} if(c[0]==0x54) {printf("SMPTE offset \n");} if(c[0]==0x58) {printf("Time signature \n");} if(c[0]==0x59) {printf("Key signature \n");} if(c[0]==0x7f) {printf("Sequencer specific event \n");} } //sys event inutile, on sarrete donc quand on trouve le marqueur de fin (0xf7) if((c[0]==0xf0) | (c[0]==0xf1) | (c[0]==0xf2) | (c[0]==0xf3) |(c[0]==0xf4) | (c[0]==0xf5) | (c[0]==0xf6) | (c[0]==0xf7) | (c[0]==0xf8) | (c[0]==0xf9) | (c[0]==0xfa) | (c[0]==0xfb) | (c[0]==0xfc) | (c[0]==0xfd) | (c[0]==0xfe)) { unsigned char d; fread(&d,1,1,fichier); while(d!= 0xf7) { fread(&d,1,1,fichier); } } //MIDI event //Note off if((c[0]==0x80) | (c[0]==0x81) | (c[0]==0x82) | (c[0]==0x83) |(c[0]==0x84) | (c[0]==0x85) | (c[0]==0x86) | (c[0]==0x87) | (c[0]==0x88) | (c[0]==0x89) | (c[0]==0x8a) | (c[0]==0x8b) | (c[0]==0x8c) | (c[0]==0x8d) | (c[0]==0x8e) | (c[0]==0x8f)) { fread(c,2,1,fichier); printf("Note off : %d, intensite : %d\n", c[0], c[1]); } //Note on if((c[0]==0x90) | (c[0]==0x91) | (c[0]==0x92) | (c[0]==0x93) |(c[0]==0x94) | (c[0]==0x95) | (c[0]==0x96) | (c[0]==0x97) | (c[0]==0x98) | (c[0]==0x99) | (c[0]==0x9a) | (c[0]==0x9b) | (c[0]==0x9c) | (c[0]==0x9d) | (c[0]==0x9e) | (c[0]==0x9f)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //aftertouch if((c[0]==0xa0) | (c[0]==0xa1) | (c[0]==0xa2) | (c[0]==0xa3) |(c[0]==0xa4) | (c[0]==0xa5) | (c[0]==0xa6) | (c[0]==0xa7) | (c[0]==0xa8) | (c[0]==0xa9) | (c[0]==0xaa) | (c[0]==0xab) | (c[0]==0xac) | (c[0]==0xad) | (c[0]==0xae) | (c[0]==0xaf)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //Continuous controller if((c[0]==0xb0) | (c[0]==0xb1) | (c[0]==0xb2) | (c[0]==0xb3) |(c[0]==0xb4) | (c[0]==0xb5) | (c[0]==0xb6) | (c[0]==0xb7) | (c[0]==0xb8) | (c[0]==0xb9) | (c[0]==0xba) | (c[0]==0xbb) | (c[0]==0xbc) | (c[0]==0xbd) | (c[0]==0xbe) | (c[0]==0xbf)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //Patch change if((c[0]==0xc0) | (c[0]==0xc1) | (c[0]==0xc2) | (c[0]==0xc3) |(c[0]==0xc4) | (c[0]==0xc5) | (c[0]==0xc6) | (c[0]==0xc7) | (c[0]==0xc8) | (c[0]==0xc9) | (c[0]==0xca) | (c[0]==0xcb) | (c[0]==0xcc) | (c[0]==0xcd) | (c[0]==0xce) | (c[0]==0xcf)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //Channel Pressure if((c[0]==0xd0) | (c[0]==0xd1) | (c[0]==0xd2) | (c[0]==0xd3) |(c[0]==0xd4) | (c[0]==0xd5) | (c[0]==0xd6) | (c[0]==0xd7) | (c[0]==0xd8) | (c[0]==0xd9) | (c[0]==0xda) | (c[0]==0xdb) | (c[0]==0xdc) | (c[0]==0xdd) | (c[0]==0xde) | (c[0]==0xdf)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //Pitch bend if((c[0]==0xe0) | (c[0]==0xe1) | (c[0]==0xe2) | (c[0]==0xe3) |(c[0]==0xe4) | (c[0]==0xe5) | (c[0]==0xe6) | (c[0]==0xe7) | (c[0]==0xe8) | (c[0]==0xe9) | (c[0]==0xea) | (c[0]==0xeb) | (c[0]==0xec) | (c[0]==0xed) | (c[0]==0xee) | (c[0]==0xef)) { fread(c,2,1,fichier); printf("Note on : %d, intensite : %d\n", c[0], c[1]); } //} printf("cc"); } else { printf("Mauvais format de fichier, prendre du MIDI\n"); } printf("\n"); return 0; }