MidiCommDescriptionList MidiCommOut::GetDeviceList()
{
if (built_output_list) return out_list;
MidiCommDescriptionList devices;
// Add the built-in synth
MidiCommDescription mac_synth;
mac_synth.id = 0;
mac_synth.name = L"Built-in MIDI Synthesizer";
devices.push_back(mac_synth);
// Add any external devices
ItemCount destinations = MIDIGetNumberOfDestinations();
for (int i = 0; i < destinations; ++i)
{
MIDIEndpointRef endpoint = MIDIGetDestination(i);
CFStringRef cf_name = BuildEndpointName(endpoint);
MidiCommDescription d;
d.id = i + 1;
d.name = WideFromMacString(cf_name);
CFRelease(cf_name);
devices.push_back(d);
}
built_output_list = true;
return devices;
}
void DeviceTile::ReplaceDeviceList(const MidiCommDescriptionList &device_list)
{
if (m_device_id != -1)
{
// Try to find currently selected device amoung devices in the new list
std::string current_name = m_device_list[m_device_id].name;
int device_id = 0;
bool replaced = false;
int size = device_list.size();
for (; device_id < size; device_id++)
{
std::string iter_name = device_list[device_id].name;
if (current_name == iter_name)
{
// Found device
m_device_id = device_id;
replaced = true;
break;
}
}
// The selected device was removed
if (!replaced)
m_device_id = -1;
}
m_device_list = device_list;
}
MidiCommDescriptionList MidiCommOut::GetDeviceList()
{
MidiCommDescriptionList devices;
unsigned int dev_count = midiOutGetNumDevs();
for (unsigned int i = 0; i < dev_count; ++i)
{
MIDIOUTCAPS dev;
midi_check(midiOutGetDevCaps(i, &dev, sizeof(MIDIOUTCAPS)));
MidiCommDescription d;
d.id = i;
d.name = dev.szPname;
devices.push_back(d);
}
return devices;
}
MidiCommDescriptionList MidiCommIn::GetDeviceList()
{
MidiCommDescriptionList devices;
unsigned int dev_count = midiInGetNumDevs();
for (unsigned int i = 0; i < dev_count; ++i)
{
MIDIINCAPS dev;
const static int MaxTries = 10;
int tries = 0;
while (tries++ < MaxTries)
{
try
{
midi_check(midiInGetDevCaps(i, &dev, sizeof(MIDIINCAPS)));
break;
}
catch (MidiError ex)
{
// Sometimes input needs to take a quick break
if (ex.m_error != MidiError_MM_NotEnabled) throw;
Sleep(50);
}
}
if (tries == MaxTries) throw MidiError_MM_NotEnabled;
MidiCommDescription d;
d.id = i;
d.name = dev.szPname;
devices.push_back(d);
}
return devices;
}
MidiCommDescriptionList MidiCommIn::GetDeviceList()
{
if (built_input_list) return in_list;
MidiCommDescriptionList devices;
ItemCount sources = MIDIGetNumberOfSources();
for (int i = 0; i < sources; ++i)
{
MIDIEndpointRef endpoint = MIDIGetSource(i);
CFStringRef cf_name = BuildEndpointName(endpoint);
MidiCommDescription d;
d.id = i;
d.name = WideFromMacString(cf_name);
CFRelease(cf_name);
devices.push_back(d);
}
built_input_list = true;
return devices;
}
void TitleState::Init() {
m_back_button = ButtonState(
Layout::ScreenMarginX,
GetStateHeight() - Layout::ScreenMarginY/2 - Layout::ButtonHeight/2,
Layout::ButtonWidth, Layout::ButtonHeight);
m_continue_button = ButtonState(
GetStateWidth() - Layout::ScreenMarginX - Layout::ButtonWidth,
GetStateHeight() - Layout::ScreenMarginY/2 - Layout::ButtonHeight/2,
Layout::ButtonWidth, Layout::ButtonHeight);
string last_output_device = UserSetting::Get(OutputDeviceKey, "");
string last_input_device = UserSetting::Get(InputDeviceKey, "");
// midi_out could be in one of three states right now:
// 1. We just started and were passed a null MidiCommOut pointer
// Or, we're returning from track selection either with:
// 2. a null MidiCommOut because the user didn't want any output, or
// 3. a valid MidiCommOut we constructed previously.
if (!m_state.midi_out) {
// Try to find the previously used device
MidiCommDescriptionList devices = MidiCommOut::GetDeviceList();
MidiCommDescriptionList::const_iterator it;
for (it = devices.begin(); it != devices.end(); it++) {
if (it->name == last_output_device) {
m_state.midi_out = new MidiCommOut(it->id);
break;
}
}
// Next, if we couldn't find a previously used device,
// use the first one
if (last_output_device != OutputKeySpecialDisabled &&
!m_state.midi_out && devices.size() > 0)
m_state.midi_out = new MidiCommOut(devices[0].id);
}
if (!m_state.midi_in) {
// Try to find the previously used device
MidiCommDescriptionList devices = MidiCommIn::GetDeviceList();
MidiCommDescriptionList::const_iterator it;
for (it = devices.begin(); it != devices.end(); it++) {
if (it->name == last_input_device) {
try {
m_state.midi_in = new MidiCommIn(it->id);
break;
}
catch (MidiErrorCode) {
m_state.midi_in = 0;
}
}
}
// If we couldn't find the previously used device,
// disabling by default (i.e. leaving it null) is
// completely acceptable.
}
int output_device_id = -1;
if (m_state.midi_out) {
output_device_id = m_state.midi_out->GetDeviceDescription().id;
m_state.midi_out->Reset();
}
int input_device_id = -1;
if (m_state.midi_in) {
input_device_id = m_state.midi_in->GetDeviceDescription().id;
m_state.midi_in->Reset();
}
const bool compress_height = (GetStateHeight() < 750);
const int initial_y = (compress_height ? 230 : 360);
const int each_y = (compress_height ? 94 : 100);
m_file_tile = new StringTile((GetStateWidth() - StringTileWidth) / 2,
initial_y + each_y*0,
GetTexture(SongBox));
m_file_tile->SetString(m_state.song_title);
const MidiCommDescriptionList output_devices = MidiCommOut::GetDeviceList();
const MidiCommDescriptionList input_devices = MidiCommIn::GetDeviceList();
m_output_tile = new DeviceTile((GetStateWidth() - DeviceTileWidth) / 2,
initial_y + each_y*1,
output_device_id,
DeviceTileOutput,
output_devices,
GetTexture(InterfaceButtons),
GetTexture(OutputBox));
m_input_tile = new DeviceTile((GetStateWidth() - DeviceTileWidth) / 2,
initial_y + each_y*2,
input_device_id,
DeviceTileInput,
input_devices,
GetTexture(InterfaceButtons),
GetTexture(InputBox));
}