/// <summary>
/// vsqファイルのstart_clockクロックからメトロノームを起動する。startは、start_clockをいつから起動したかを指定する。
/// </summary>
/// <param name="vsq"></param>
/// <param name="start_clock"></param>
/// <param name="start"></param>
public static void Start(VsqFileEx vsq, int start_clock, double start_time)
{
s_queue.clear();
m_stop_required = false;
m_stop_metronome_required = false;
if (s_device0 == null)
{
s_device0 = new MidiDeviceImp(s_metronome_device);
}
if (s_metronome_device != s_general_device)
{
if (s_device1 == null)
{
s_device1 = new MidiDeviceImp(s_general_device);
}
}
m_vsq = (VsqFileEx)vsq.clone();
m_started_sec = m_vsq.getSecFromClock(start_clock);
ByRef <Integer> bar = new ByRef <Integer>();
Timesig timesig = m_vsq.getTimesigAt(start_clock, bar);
int clock_at_bartop = m_vsq.getClockFromBarCount(bar.value);
int clock_step = 480 * 4 / timesig.denominator;
int next_clock = clock_at_bartop + ((start_clock - clock_at_bartop) / clock_step + 1) * clock_step;
m_started = start_time;
m_started_clock = start_clock;
m_temp_exit = false;
for (int track = 1; track < m_vsq.Track.size(); track++)
{
#if DEBUG
AppManager.debugWriteLine("Metronome.Start; track=" + track);
#endif
for (Iterator <VsqEvent> itr = m_vsq.Track.get(track).getNoteEventIterator(); itr.hasNext();)
{
VsqEvent item = itr.next();
if (start_clock <= item.Clock)
{
MidiQueue q = new MidiQueue();
q.Track = track;
q.Channel = (byte)(track - 1);
q.Clock = item.Clock;
q.Note = (byte)(item.ID.Note);
q.Program = 0;
q.Velocity = 0x40;
q.Done += new MidiQueueDoneEventHandler(ReGenerateMidiQueue);
s_queue.add(q);
break;
}
}
}
Collections.sort(s_queue);
m_thread = new Thread(new ThreadStart(ThreadProc));
m_thread.IsBackground = true;
m_thread.Priority = ThreadPriority.Highest;
m_thread.Start();
}
public static void RestartMetronome()
{
m_stop_metronome_required = false;
if (m_vsq != null)
{
double now = PortUtil.getCurrentTime();
double elapsed = ((now - m_started) + 0.25) * m_speed;
int clock = (int)m_vsq.getClockFromSec(m_started_sec + elapsed);
ByRef <Integer> bar = new ByRef <Integer>();
Timesig timesig = m_vsq.getTimesigAt(clock, bar);
int clock_at_bartop = m_vsq.getClockFromBarCount(bar.value);
int clock_step = 480 * 4 / timesig.denominator;
int next_clock = clock_at_bartop + ((clock - clock_at_bartop) / clock_step + 1) * clock_step;
MidiQueue mq = new MidiQueue();
mq.Track = 0;
mq.Clock = next_clock;
mq.Channel = 14;
mq.Program = ProgramNormal;
mq.Note = NoteNormal;
mq.Velocity = 0x40;
mq.Done += new MidiQueueDoneEventHandler(ReGenerateMidiQueue);
s_queue.add(mq);
if ((next_clock - clock_at_bartop) % (timesig.numerator * clock_step) == 0)
{
MidiQueue mq_bell = new MidiQueue();
mq_bell.Track = 0;
mq_bell.Clock = next_clock;
mq_bell.Channel = 15;
mq_bell.Program = ProgramBell;
mq_bell.Note = NoteBell;
mq_bell.Velocity = 0x40;
s_queue.add(mq_bell);
}
Collections.sort(s_queue);
}
}
/// <summary>
/// vsqファイルのstart_clockクロックからメトロノームを起動する。startは、start_clockをいつから起動したかを指定する。
/// </summary>
/// <param name="vsq"></param>
/// <param name="start_clock"></param>
/// <param name="start"></param>
public static void Start( VsqFileEx vsq, int start_clock, double start_time ) {
s_queue.clear();
m_stop_required = false;
m_stop_metronome_required = false;
if ( s_device0 == null ) {
s_device0 = new MidiDeviceImp( s_metronome_device );
}
if ( s_metronome_device != s_general_device ) {
if ( s_device1 == null ) {
s_device1 = new MidiDeviceImp( s_general_device );
}
}
m_vsq = (VsqFileEx)vsq.clone();
m_started_sec = m_vsq.getSecFromClock( start_clock );
ByRef<Integer> bar = new ByRef<Integer>();
Timesig timesig = m_vsq.getTimesigAt( start_clock, bar );
int clock_at_bartop = m_vsq.getClockFromBarCount( bar.value );
int clock_step = 480 * 4 / timesig.denominator;
int next_clock = clock_at_bartop + ((start_clock - clock_at_bartop) / clock_step + 1) * clock_step;
m_started = start_time;
m_started_clock = start_clock;
m_temp_exit = false;
for ( int track = 1; track < m_vsq.Track.size(); track++ ) {
#if DEBUG
AppManager.debugWriteLine( "Metronome.Start; track=" + track );
#endif
for ( Iterator<VsqEvent> itr = m_vsq.Track.get( track ).getNoteEventIterator(); itr.hasNext(); ) {
VsqEvent item = itr.next();
if ( start_clock <= item.Clock ) {
MidiQueue q = new MidiQueue();
q.Track = track;
q.Channel = (byte)(track - 1);
q.Clock = item.Clock;
q.Note = (byte)(item.ID.Note);
q.Program = 0;
q.Velocity = 0x40;
q.Done += new MidiQueueDoneEventHandler( ReGenerateMidiQueue );
s_queue.add( q );
break;
}
}
}
Collections.sort( s_queue );
m_thread = new Thread( new ThreadStart( ThreadProc ) );
m_thread.IsBackground = true;
m_thread.Priority = ThreadPriority.Highest;
m_thread.Start();
}
/// <summary>
/// numStartBar, numStartBeat, numEndBar, numEndBeatの値の範囲の妥当性をチェックする
/// </summary>
private void validateNumRange()
{
int startBar = getStartBar();
int startBeat = getStartBeat();
int endBar = getEndBar();
int endBeat = getEndBeat();
VsqFileEx vsq = AppManager.getVsqFile();
if (vsq == null)
{
return;
}
int preMeasure = vsq.getPreMeasure();
startBar += (preMeasure - 1); // 曲頭からの小節数は、表示上の小節数と(preMeasure - 1)だけずれているので。
endBar += (preMeasure - 1);
startBeat--;
endBeat--;
int startBarClock = vsq.getClockFromBarCount(startBar); // startBar小節開始位置のゲートタイム
Timesig startTimesig = vsq.getTimesigAt(startBarClock); // startBar小節開始位置の拍子
int startClock = startBarClock + startBeat * 480 * 4 / startTimesig.denominator; // 第startBar小節の第startBeat拍開始位置のゲートタイム
int endBarClock = vsq.getClockFromBarCount(endBar);
Timesig endTimesig = vsq.getTimesigAt(endBarClock);
int endClock = endBarClock + endBeat * 480 * 4 / endTimesig.denominator;
if (endClock <= startClock)
{
// 選択範囲が0以下の場合、値を強制的に変更する
// ここでは、一拍分を選択するように変更
endClock = startClock + 480 * 4 / startTimesig.denominator;
endBar = vsq.getBarCountFromClock(endClock);
int remain = endClock - vsq.getClockFromBarCount(endBar);
endTimesig = vsq.getTimesigAt(endClock);
endBeat = remain / (480 * 4 / endTimesig.denominator);
}
// numStartBarの最大値・最小値を決定
int startBarMax = endBar - 1;
if (startBeat < endBeat)
{
startBarMax = endBar;
}
int startBarMin = 1;
// numStartBeatの最大値・最小値を決定
int startBeatMax = startTimesig.numerator;
if (startBar == endBar)
{
startBeatMax = endBeat - 1;
}
int startBeatMin = 1;
// numEndBarの最大値・最小値を決定
int endBarMax = int.MaxValue;
int endBarMin = startBar + 1;
if (startBeat < endBeat)
{
endBarMin = startBar;
}
// numEndBeatの最大値・最小値の決定
int endBeatMax = endTimesig.numerator;
int endBeatMin = 1;
if (startBar == endBar)
{
endBeatMin = startBeat + 1;
}
lockRequired = true;
numStartBar.Maximum = startBarMax;
numStartBar.Minimum = startBarMin;
numStartBeat.Maximum = startBeatMax;
numStartBeat.Minimum = startBeatMin;
numEndBar.Maximum = endBarMax;
numEndBar.Minimum = endBarMin;
numEndBeat.Maximum = endBeatMax;
numEndBeat.Minimum = endBeatMin;
lockRequired = false;
}