public void FromVegas(Vegas vegas)
{
// select a midi file
MessageBox.Show("请选择一个MIDI文件。");
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "*.mid|*.mid|所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
midiName = openFileDialog.FileName;
}
else
{
return;
}
MidiFile midi = new MidiFile(midiName);
// generate statistics of each midi track
String[] trackInfo = new String[midi.Events.Tracks];
int ticksPerQuarter = midi.DeltaTicksPerQuarterNote;
double msPerQuarter = 0;
for (int i = 0; i < midi.Events.Tracks; i++)
{
String info1 = "轨道 " + i.ToString() + ": ";
String info2 = "";
int notesCount = 0;
String info3 = "起音 ";
foreach (MidiEvent midiEvent in midi.Events[i])
{
if ((midiEvent is NoteEvent) && !(midiEvent is NoteOnEvent))
{
NoteEvent noteEvent = midiEvent as NoteEvent;
if (notesCount == 0)
{
info3 = info3 + noteEvent.NoteName;
}
notesCount++;
}
if ((midiEvent is PatchChangeEvent) && info2.Length == 0)
{
PatchChangeEvent patchEvent = midiEvent as PatchChangeEvent;
for (int j = 4; j < patchEvent.ToString().Split(' ').Length; j++)
{
info2 += patchEvent.ToString().Split(' ')[j];
}
}
if ((midiEvent is TempoEvent) && msPerQuarter == 0)
{
TempoEvent tempoEvent = midiEvent as TempoEvent;
msPerQuarter = Convert.ToDouble(tempoEvent.MicrosecondsPerQuarterNote) / 1000;
}
}
trackInfo[i] = info1 + info2 + "; 音符数: " + notesCount.ToString() + "; " + info3;
}
// select a video clip
MessageBox.Show("请选择一个视频或图片素材片段。");
openFileDialog.Filter = "所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
clipName = openFileDialog.FileName;
}
else
{
return;
}
Media media = new Media(clipName);
double mediaLength = media.Length.ToMilliseconds();
// start configuration
Form2 configForm = new Form2();
for (int i = 1; i < midi.Events.Tracks; i++)
{
configForm.comboBox1.Items.Add(trackInfo[i]);
}
configForm.comboBox1.SelectedIndex = 0;
Application.Run(configForm);
// apply condiguration
for (int i = 1; i < midi.Events.Tracks; i++)
{
if (trackInfo[i] == configForm.comboBox1.SelectedItem.ToString())
{
midiTrack = i;
}
}
sheetWidth = int.Parse(configForm.width);
sheetPosition = int.Parse(configForm.position);
sheetGap = int.Parse(configForm.gap);
if (configForm.comboBox2.Text == "2/4")
{
sheetTempo = 2;
}
if (configForm.comboBox2.Text == "3/4")
{
sheetTempo = 3;
}
if (configForm.comboBox3.Text == "低音")
{
sheetCelf = 1;
}
// start processing MIDI
VideoTrack[] noteTracks = new VideoTrack[100];
int trackCount = -1;
int trackPointer = 0;
double barStartTime = 0;
double barLength = msPerQuarter * sheetTempo;
foreach (MidiEvent midiEvent in midi.Events[midiTrack])
{
if (midiEvent is NoteOnEvent)
{
NoteEvent noteEvent = midiEvent as NoteEvent;
NoteOnEvent noteOnEvent = midiEvent as NoteOnEvent;
double startTime = midiEvent.AbsoluteTime * msPerQuarter / ticksPerQuarter;
double duration = noteOnEvent.NoteLength * msPerQuarter / ticksPerQuarter;
int pitch = noteEvent.NoteNumber;
// next page
while (startTime >= barStartTime + barLength)
{
barStartTime = barStartTime + barLength;
trackPointer = 0;
}
// generate video events
if (trackPointer > trackCount)
{
trackCount = trackCount + 1;
noteTracks[trackCount] = vegas.Project.AddVideoTrack();
}
VideoEvent videoEvent = noteTracks[trackPointer].AddVideoEvent(Timecode.FromMilliseconds(startTime), Timecode.FromMilliseconds(barStartTime + barLength - startTime));
Take take = videoEvent.AddTake(media.GetVideoStreamByIndex(0));
TrackEvent trackEvent = videoEvent as TrackEvent;
trackEvent.Loop = true;
TrackMotionKeyframe keyFrame = noteTracks[trackPointer].TrackMotion.InsertMotionKeyframe(Timecode.FromMilliseconds(startTime));
keyFrame.Type = VideoKeyframeType.Hold;
keyFrame.Width = sheetGap * 2 * vegas.Project.Video.Width / vegas.Project.Video.Height;
keyFrame.Height = sheetGap * 2;
keyFrame.PositionX = -sheetWidth / 2 + sheetWidth / barLength * (startTime - barStartTime);
int octave = pitch / 12;
int line = pitchMap[pitch % 12];
keyFrame.PositionY = sheetPosition - sheetGap * 3 + (octave - 5) * sheetGap * 3.5 + line * sheetGap * 0.5 + sheetCelf * 12;
trackPointer = trackPointer + 1;
}
}
}
public void FromVegas(Vegas vegas)
{
// select a midi file
MessageBox.Show("请选择一个MIDI文件。");
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "*.mid|*.mid|所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
midiName = openFileDialog.FileName;
}
else
{
return;
}
MidiFile midi = new MidiFile(midiName);
// generate statistics of each midi track
String[] trackInfo = new String[midi.Events.Tracks];
int ticksPerQuarter = midi.DeltaTicksPerQuarterNote;
double msPerQuarter = 0;
for (int i = 0; i < midi.Events.Tracks; i++)
{
String info1 = "轨道 " + i.ToString() + ": ";
String info2 = "";
int notesCount = 0;
String info3 = "起音 ";
foreach (MidiEvent midiEvent in midi.Events[i])
{
if ((midiEvent is NoteEvent) && !(midiEvent is NoteOnEvent))
{
NoteEvent noteEvent = midiEvent as NoteEvent;
if (notesCount == 0)
{
info3 = info3 + noteEvent.NoteName;
}
notesCount++;
}
if ((midiEvent is PatchChangeEvent) && info2.Length == 0)
{
PatchChangeEvent patchEvent = midiEvent as PatchChangeEvent;
for (int j = 4; j < patchEvent.ToString().Split(' ').Length; j++)
{
info2 += patchEvent.ToString().Split(' ')[j];
}
}
if ((midiEvent is TempoEvent) && msPerQuarter == 0)
{
TempoEvent tempoEvent = midiEvent as TempoEvent;
msPerQuarter = Convert.ToDouble(tempoEvent.MicrosecondsPerQuarterNote) / 1000;
}
}
trackInfo[i] = info1 + info2 + "; 音符数: " + notesCount.ToString() + "; " + info3;
}
// select a video clip
MessageBox.Show("请选择一个视频或音频素材片段。");
openFileDialog.Filter = "所有文件|*.*";
openFileDialog.RestoreDirectory = true;
openFileDialog.FilterIndex = 1;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
clipName = openFileDialog.FileName;
}
else
{
return;
}
Media media = new Media(clipName);
double mediaLength = media.Length.ToMilliseconds();
// start configuration
ConfigForm configForm = new ConfigForm();
for (int i = 0; i < midi.Events.Tracks; i++)
{
configForm.comboBoxTrack.Items.Add(trackInfo[i]);
}
configForm.comboBoxTrack.SelectedIndex = 0;
Application.Run(configForm);
// apply configuration
aconfig = configForm.checkBoxA.Checked;
aconfigNoTune = configForm.checkBoxNoTune.Checked;
vconfig = configForm.checkBoxV.Checked;
vconfigAutoFlip = configForm.checkBoxFlip.Checked;
vconfigStartSize = configForm.hScrollBar1.Value;
vconfigEndSize = configForm.hScrollBar2.Value;
vconfigFadein = configForm.hScrollBar4.Value;
vconfigFadeout = configForm.hScrollBar3.Value;
aconfigBasePitch = pitchMap[configForm.comboBoxA1.SelectedItem.ToString() + configForm.comboBoxA2.SelectedItem.ToString()];
for (int i = 0; i < midi.Events.Tracks; i++)
{
if (trackInfo[i] == configForm.comboBoxTrack.SelectedItem.ToString())
{
aconfigTrack = i;
}
}
configStartTime = Convert.ToDouble(configForm.startT) * 1000;
configEndTime = Convert.ToDouble(configForm.endT) * 1000;
// start processing MIDI
VideoTrack vTrack = vegas.Project.AddVideoTrack();
AudioTrack[] aTracks = new AudioTrack[20];
double vTrackPosition = 0;
int vTrackDirection = 1;
double[] aTrackPositions = new double[20];
aTracks[0] = vegas.Project.AddAudioTrack();
aTrackPositions[0] = 0;
int aTrackCount = 1;
foreach (MidiEvent midiEvent in midi.Events[aconfigTrack])
{
if (midiEvent is NoteOnEvent)
{
NoteEvent noteEvent = midiEvent as NoteEvent;
NoteOnEvent noteOnEvent = midiEvent as NoteOnEvent;
double startTime = midiEvent.AbsoluteTime * msPerQuarter / ticksPerQuarter;
double duration = noteOnEvent.NoteLength * msPerQuarter / ticksPerQuarter;
int pitch = noteEvent.NoteNumber;
int trackIndex = 0;
if (startTime < configStartTime)
{
continue;
}
if (startTime > configEndTime)
{
break;
}
// generate audio events
if (aconfig == true)
{
while (startTime < aTrackPositions[trackIndex])
{
trackIndex++;
if (trackIndex == aTrackCount)
{
aTrackCount++;
aTracks[trackIndex] = vegas.Project.AddAudioTrack();
}
}
AudioEvent audioEvent = aTracks[trackIndex].AddAudioEvent(Timecode.FromMilliseconds(startTime), Timecode.FromMilliseconds(duration));
Take take = audioEvent.AddTake(media.GetAudioStreamByIndex(0));
aTrackPositions[trackIndex] = startTime + duration;
TrackEvent trackEvent = audioEvent as TrackEvent;
trackEvent.PlaybackRate = mediaLength / duration;
trackEvent.Loop = false;
// apply pitch shifting
if (aconfigNoTune == false)
{
int pitchDelta = pitch - aconfigBasePitch;
if (pitchDelta > 0)
{
while (pitchDelta > 12)
{
PlugInNode plugIn0 = vegas.AudioFX.FindChildByName("Pitch Shift");
Effect effect0 = new Effect(plugIn0);
audioEvent.Effects.Add(effect0);
effect0.Preset = "12";
pitchDelta -= 12;
}
PlugInNode plugIn = vegas.AudioFX.FindChildByName("Pitch Shift");
Effect effect = new Effect(plugIn);
audioEvent.Effects.Add(effect);
effect.Preset = pitchDelta.ToString();
}
else
{
while (pitchDelta < -12)
{
PlugInNode plugIn0 = vegas.AudioFX.FindChildByName("Pitch Shift");
Effect effect0 = new Effect(plugIn0);
audioEvent.Effects.Add(effect0);
effect0.Preset = "-12";
pitchDelta += 12;
}
PlugInNode plugIn = vegas.AudioFX.FindChildByName("Pitch Shift");
Effect effect = new Effect(plugIn);
audioEvent.Effects.Add(effect);
effect.Preset = pitchDelta.ToString();
}
}
}
// generate video events
if (vconfig == true)
{
vTrackPosition = startTime + duration;
VideoEvent videoEvent = vTrack.AddVideoEvent(Timecode.FromMilliseconds(startTime), Timecode.FromMilliseconds(duration));
Take take = videoEvent.AddTake(media.GetVideoStreamByIndex(0));
TrackEvent trackEvent = videoEvent as TrackEvent;
trackEvent.PlaybackRate = mediaLength / duration;
trackEvent.Loop = false;
videoEvent.FadeIn.Length = Timecode.FromMilliseconds(duration * vconfigFadein / 100);
videoEvent.FadeOut.Length = Timecode.FromMilliseconds(duration * vconfigFadeout / 100);
VideoMotionKeyframe key0 = videoEvent.VideoMotion.Keyframes[0];
VideoMotionKeyframe key1 = new VideoMotionKeyframe(Timecode.FromMilliseconds(duration));
videoEvent.VideoMotion.Keyframes.Add(key1);
key0.ScaleBy(new VideoMotionVertex((vconfigStartSize / 100) * vTrackDirection, (vconfigStartSize / 100)));
key1.ScaleBy(new VideoMotionVertex((vconfigEndSize / 100) * vTrackDirection, (vconfigEndSize / 100)));
if (vconfigAutoFlip == true)
{
vTrackDirection *= -1;
}
}
}
}
}
