75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
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//
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// gen_test_midi.cpp - by malvineous@shikadi.net
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//
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// Generate a MIDI file that plays one note from all 128 GM instruments (in
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// order), followed by all the percussion notes.
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//
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// When this file is played through an OPL synthesiser capable of MIDI
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// playback, then captured through DOSBox, it will provide a complete set of
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// OPL patches that can easily be associated back to MIDI instruments.
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//
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#include "midiio.hpp"
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <assert.h>
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#include <math.h>
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#include <stdio.h>
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#define WRITE_BINARY "wb"
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#define READ_TEXT "r"
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int main(int argc, char**argv)
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{
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if (argc != 2) {
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fprintf(stderr, "no output filename given\n");
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return 1;
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}
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MidiWrite *write = new MidiWrite(argv[1]);
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if (!write) {
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fprintf(stderr, "out of memory\n");
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return 1;
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}
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if (!write->getf()) {
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perror(argv[1]);
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return 1;
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}
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float tempo = 120.0;
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int resolution = 280;
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write->head(/* version */ 0, /* track count updated later */0, resolution);
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write->track();
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write->tempo((long)(60000000.0 / tempo));
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write->tact(4,4,24,8);
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write->volume(1, 127);
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write->volume(9, 127);
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for (int i = 0; i < 128; i++) {
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write->program(1, i);
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write->noteon(1, 60, 127);
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write->time(50);
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write->noteoff(1, 60);
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write->time(50);
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}
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/*
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// Need to play a normal note for percussion to get DOSBox to start capturing
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// OPL data! (Why hasn't my patch to fix that been incorporated yet?!)
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write->noteon(1, 60, 127);
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write->time(50);
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write->noteoff(1, 60);
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write->time(200);
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for (int i = 35; i < 82; i++) {
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write->noteon(9, i, 127);
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write->time(50);
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write->noteoff(9, i);
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write->time(50);
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}*/
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delete write;
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return 0;
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}
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