ppsspp/midi/midi_input.cpp
Henrik Rydgard a038f612bd Unicode prep
2013-08-26 18:59:08 +02:00

90 lines
2.1 KiB
C++

#ifdef _WIN32
// Windows implementation.
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <MMSystem.h>
#include <vector>
#include <string>
#include "base/basictypes.h"
#include "base/logging.h"
#include "midi/midi_input.h"
#include "util/text/utf8.h"
std::vector<std::string> MidiInGetDevices() {
int numDevs = midiInGetNumDevs();
std::vector<std::string> devices;
for (int i = 0; i < numDevs; i++) {
MIDIINCAPS caps;
midiInGetDevCaps(i, &caps, sizeof(caps));
devices.push_back(ConvertWStringToUTF8(caps.szPname));
}
return devices;
}
static void CALLBACK MidiCallback(HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2) {
MidiListener *listener = (MidiListener*)dwInstance;
uint8_t cmd[3] = {0};
switch (wMsg) {
case MM_MIM_OPEN:
ILOG("Got MIDI Open message");
break;
case MM_MIM_CLOSE:
ILOG("Got MIDI Close message");
break;
case MM_MIM_DATA:
cmd[0] = dwParam1 & 0xFF;
cmd[1] = (dwParam1 >> 8) & 0xFF;
cmd[2] = (dwParam1 >> 16) & 0xFF;
// time = dwParam2 & 0xFFFF;
ILOG("Got MIDI Data: %02x %02x %02x", cmd[0], cmd[1], cmd[2]);
listener->midiEvent(cmd);
break;
default:
WLOG("Got unexpected MIDI message: %08x", (uint32_t)wMsg);
break;
}
}
MidiDevice MidiInStart(int deviceID, MidiListener *listener) {
HMIDIIN hMidiIn;
MMRESULT result = midiInOpen(&hMidiIn, deviceID, (DWORD_PTR)(&MidiCallback), (DWORD_PTR)listener, CALLBACK_FUNCTION);
midiInStart(hMidiIn);
return (MidiDevice)hMidiIn;
}
void MidiInStop(MidiDevice device) {
HMIDIIN hMidiIn = (HMIDIIN)device;
midiInStop(hMidiIn);
midiInClose(hMidiIn);
}
#else
#include <vector>
#include <string>
#include "base/basictypes.h"
#include "base/logging.h"
#include "midi/midi_input.h"
// Stubs for other platforms.
std::vector<std::string> MidiInGetDevices() {
return std::vector<std::string>();
}
MidiDevice MidiInStart(int deviceID, MidiListener *listener) {
FLOG("Invalid MIDI device");
return 0;
}
void MidiInStop(MidiDevice device) {
FLOG("Invalid MIDI device");
}
#endif