//aero //int noteSet[]={65+1,67,67+1,69,71,72+1,74,76,77,79}; // {fa ,so,so+1,la,si,do ,re,mi,fa,so} void synth_init(synth_t * st) { memset (st,0,sizeof(st)); st->octaveUp=0; st->octaveDown=0; st->channel=0; st->velocity=0x45; //midi init port_out_id = open_seq(&seq); }
int main (int argc, char *argv[]) { int nfds, seq_nfds, l1; struct pollfd *pfds; if (argc < 6) { fprintf(stderr, "LinzerSchnitteMIDI <hw:0,0,1> <attack> <decay> <sustain> <release>\n"); exit(1); } attack = atof(argv[2]); decay = atof(argv[3]); sustain = atof(argv[4]); release = atof(argv[5]); /* polyphony = atoi(argv[6]); buffersize = atoi(argv[7]); outputvolume = atoi(argv[8]); firstnotefreq = atoi(argv[9]); freqchannelwidth = atoi(argv[10]); */ buf = (short *) malloc (2 * sizeof (short) * BUFSIZE); playback_handle = open_pcm(argv[1]); seq_handle = open_seq(); seq_nfds = snd_seq_poll_descriptors_count(seq_handle, POLLIN); nfds = snd_pcm_poll_descriptors_count (playback_handle); pfds = (struct pollfd *)alloca(sizeof(struct pollfd) * (seq_nfds + nfds)); snd_seq_poll_descriptors(seq_handle, pfds, seq_nfds, POLLIN); snd_pcm_poll_descriptors (playback_handle, pfds+seq_nfds, nfds); connect2MidiThroughPort(seq_handle); for (l1 = 0; l1 < POLY; note_active[l1++] = 0); while (1) { if (poll (pfds, seq_nfds + nfds, 1000) > 0) { for (l1 = 0; l1 < seq_nfds; l1++) { if (pfds[l1].revents > 0) midi_callback(); } for (l1 = seq_nfds; l1 < seq_nfds + nfds; l1++) { if (pfds[l1].revents > 0) { if (playback_callback(BUFSIZE) < BUFSIZE) { fprintf (stderr, "xrun ! increase buffer \n"); snd_pcm_prepare(playback_handle); } } } } } snd_pcm_close (playback_handle); snd_seq_close (seq_handle); free(buf); return (0); }
void midi_thread(void *data){ snd_seq_t *seq_handle; int npfd; struct pollfd *pfd; seq_handle = open_seq(); npfd = snd_seq_poll_descriptors_count(seq_handle, POLLIN); pfd = (struct pollfd *)alloca(npfd * sizeof(struct pollfd)); snd_seq_poll_descriptors(seq_handle, pfd, npfd, POLLIN); while (1) { if (poll(pfd, npfd, 100000) > 0) { midi_action(seq_handle); } } }
int main (int argc, char *argv[]) { int nfds, seq_nfds, l1; struct pollfd *pfds; if (argc < 10) { fprintf(stderr, "miniFMsynth <device> <FM> <harmonic> <subharmonic> <transpose> <a> <d> <s> <r>\n"); exit(1); } modulation = atof(argv[2]); harmonic = atoi(argv[3]); subharmonic = atoi(argv[4]); transpose = atoi(argv[5]); attack = atof(argv[6]); decay = atof(argv[7]); sustain = atof(argv[8]); release = atof(argv[9]); pitch = 0; buf = (short *) malloc (2 * sizeof (short) * BUFSIZE); playback_handle = open_pcm(argv[1]); seq_handle = open_seq(); seq_nfds = snd_seq_poll_descriptors_count(seq_handle, POLLIN); nfds = snd_pcm_poll_descriptors_count (playback_handle); pfds = (struct pollfd *)alloca(sizeof(struct pollfd) * (seq_nfds + nfds)); snd_seq_poll_descriptors(seq_handle, pfds, seq_nfds, POLLIN); snd_pcm_poll_descriptors (playback_handle, pfds+seq_nfds, nfds); for (l1 = 0; l1 < POLY; note_active[l1++] = 0); while (1) { if (poll (pfds, seq_nfds + nfds, 1000) > 0) { for (l1 = 0; l1 < seq_nfds; l1++) { if (pfds[l1].revents > 0) midi_callback(); } for (l1 = seq_nfds; l1 < seq_nfds + nfds; l1++) { if (pfds[l1].revents > 0) { if (playback_callback(BUFSIZE) < BUFSIZE) { fprintf (stderr, "xrun !\n"); snd_pcm_prepare(playback_handle); } } } } } snd_pcm_close (playback_handle); snd_seq_close (seq_handle); free(buf); return (0); }
int main(int argc, char *argv[]) { snd_seq_t *seq_handle; int npfd; struct pollfd *pfd; seq_handle = open_seq(); npfd = snd_seq_poll_descriptors_count(seq_handle, POLLIN); pfd = (struct pollfd *)alloca(npfd * sizeof(struct pollfd)); snd_seq_poll_descriptors(seq_handle, pfd, npfd, POLLIN); fprintf(stderr, "COMMAND:CHANNEL:NOTE\nCommands are described on http://www.ec.vanderbilt.edu/computermusic/musc216site/MIDI.Commands.html\n\n"); while (1) { if (poll(pfd, npfd, 100000) > 0) { midi_action(seq_handle); } } }
int main () { if (gpioSetup() != OK) { dbgPrint(DBG_INFO, "gpioSetup failed. Exiting\n"); return 1; } seq_handle = open_seq(); connect2MidiThroughPort(seq_handle); init_cmd_defaults(); while (1) { midi_read(); } snd_seq_close (seq_handle); gpioCleanup(); return (0); }
int main (int argc, char *argv[]) { int nfds, seq_nfds, l1; //int key; //key=0; char *hwdevice; struct pollfd *pfds; /* if (argc < 2) { fprintf(stderr, "LinzerSchnitteMIDI <hw:0,0,1> <attack> <decay> <sustain> <release>\n"); exit(1); } */ initscr(); /* start the curses setup */ atexit(do_endwin); keypad(stdscr, TRUE); noecho(); scrollok(stdscr, TRUE); printw("Welcome to LinzerSchnitte\n"); refresh(); start_color(); init_pair(1, COLOR_RED, COLOR_BLACK); /* end the curses setup */ /* Set default */ hwdevice = "hw:0,0,1"; attack = 0.001; decay = 0.001; sustain = 1; release = 0.001; if (argc > 1) { hwdevice = argv[1]; } /* attack = atof(argv[2]); decay = atof(argv[3]); sustain = atof(argv[4]); release = atof(argv[5]); */ buf = (short *) malloc (2 * sizeof (short) * BUFSIZE); playback_handle = open_pcm(hwdevice); seq_handle = open_seq(); seq_nfds = snd_seq_poll_descriptors_count(seq_handle, POLLIN); nfds = snd_pcm_poll_descriptors_count (playback_handle); pfds = (struct pollfd *)alloca(sizeof(struct pollfd) * (seq_nfds + nfds)); snd_seq_poll_descriptors(seq_handle, pfds, seq_nfds, POLLIN); snd_pcm_poll_descriptors (playback_handle, pfds+seq_nfds, nfds); connect2MidiThroughPort(seq_handle); for (l1 = 0; l1 < POLY; note_active[l1++] = 0); while (1) { if (poll (pfds, seq_nfds + nfds, 1000) > 0) { for (l1 = 0; l1 < seq_nfds; l1++) { if (pfds[l1].revents > 0) midi_callback(); } for (l1 = seq_nfds; l1 < seq_nfds + nfds; l1++) { if (pfds[l1].revents > 0) { if (playback_callback(BUFSIZE) < BUFSIZE) { fprintf (stderr, "xrun ! increase buffer \n"); snd_pcm_prepare(playback_handle); } } } } } snd_pcm_close (playback_handle); snd_seq_close (seq_handle); free(buf); return (0); }
int main (int argc, char *argv[]) { snd_seq_t *seq_handle; int npfd; struct pollfd *pfd; seq_handle = open_seq(); npfd = snd_seq_poll_descriptors_count(seq_handle, POLLIN); pfd = malloc(npfd * sizeof(*pfd)); snd_seq_poll_descriptors(seq_handle, pfd, npfd, POLLIN); if (argc >= 2) { snd_seq_addr_t addr; if (snd_seq_parse_address(seq_handle, &addr, argv[1]) == 0) { if (snd_seq_connect_from(seq_handle, portid, addr.client, addr.port) == 0) { printf("Connected to %s\n", argv[1]); } } } int i; for (i=2; i<argc; i++) channels |= 1<<(atoi(argv[i])-1); OLRenderParams params; memset(¶ms, 0, sizeof params); params.rate = 48000; params.on_speed = 2.0/50.0; params.off_speed = 2.0/35.0; params.start_wait = 6; params.start_dwell = 1; params.curve_dwell = 0; params.corner_dwell = 0; params.curve_angle = cosf(30.0*(M_PI/180.0)); // 30 deg params.end_dwell = 0; params.end_wait = 7; params.flatness = 0.00001; params.snap = 1/100000.0; params.render_flags = RENDER_GRAYSCALE; if(olInit(3, 30000) < 0) return 1; olSetRenderParams(¶ms); float time = 0; float ftime; int frames = 0; float nps = 0; avgnotes = 5; while(1) { olLoadIdentity(); int drawn = draw(); if (drawn < 2) draw(); ftime = olRenderFrame(100); float t = powf(0.3, ftime); avgnotes = avgnotes * t + (nps+2) * (1.0f-t); animate(ftime); int notes = 0; if (poll(pfd, npfd, 0) > 0) notes = midi_action(seq_handle); int pnotes = (notes+2)/3; nps = pnotes / ftime * 1.2; frames++; time += ftime; printf("Frame time: %f, Avg FPS:%f, Cur FPS:%f, %d, nps:%3d, avgnotes:%f\n", ftime, frames/time, 1/ftime, notes, (int)nps, avgnotes); } olShutdown(); exit (0); }