我想使用Rtmidi从启动板获取输入。
但是，尽管连接了启动板，但0舱可用。
“MidiInDummy:此类未提供任何功能。”
还有这个短语，所以似乎是错误。
资源:
//Source : http://www.music.mcgill.ca/~gary/rtmidi/index.html#probing
#define __WINDOWS_MM__
#include <iostream>
#include <cstdlib>
#include "RtMidi.h"
int main()
{
RtMidiIn* midiin = 0;
RtMidiOut* midiout = 0;
// RtMidiIn constructor
try {
midiin = new RtMidiIn();
}
catch (RtMidiError& error) {
error.printMessage();
exit(EXIT_FAILURE);
}
// Check inputs.
unsigned int nPorts = midiin->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI input sources available.\n";
std::string portName;
for (unsigned int i = 0; i < nPorts; i++) {
try {
portName = midiin->getPortName(i);
}
catch (RtMidiError& error) {
error.printMessage();
goto cleanup;
}
std::cout << " Input Port #" << i + 1 << ": " << portName << '\n';
}
// RtMidiOut constructor
try {
midiout = new RtMidiOut();
}
catch (RtMidiError& error) {
error.printMessage();
exit(EXIT_FAILURE);
}
// Check outputs.
nPorts = midiout->getPortCount();
std::cout << "\nThere are " << nPorts << " MIDI output ports available.\n";
for (unsigned int i = 0; i < nPorts; i++) {
try {
portName = midiout->getPortName(i);
}
catch (RtMidiError& error) {
error.printMessage();
goto cleanup;
}
std::cout << " Output Port #" << i + 1 << ": " << portName << '\n';
}
std::cout << '\n';
// Clean up
cleanup:
delete midiin;
delete midiout;
return 0;
}
输出:
MidiInDummy: This class provides no functionality.
There are 0 MIDI input sources available.
MidiOutDummy: This class provides no functionality.
There are 0 MIDI output ports available.
我怎么解决这个问题？
最佳答案
哦，我解决了。
https://www.music.mcgill.ca/~gary/rtmidi/#compiling
https://github.com/thestk/rtmidi/issues/85
关键字:__WINDOWS_MM__，winmm.lib
关于c++ - RtMidi-MidiInDummy:此类未提供任何功能，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/62294964/