本文整理匯總了Java中javax.sound.midi.Sequence.SMPTE_25屬性的典型用法代碼示例。如果您正苦於以下問題:Java Sequence.SMPTE_25屬性的具體用法?Java Sequence.SMPTE_25怎麽用?Java Sequence.SMPTE_25使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類javax.sound.midi.Sequence
的用法示例。
在下文中一共展示了Sequence.SMPTE_25屬性的6個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getMidiFileFormatFromStream
private MidiFileFormat getMidiFileFormatFromStream(InputStream stream,
int fileLength,
SMFParser smfParser)
throws InvalidMidiDataException, IOException{
int maxReadLength = 16;
int duration = MidiFileFormat.UNKNOWN_LENGTH;
DataInputStream dis;
if (stream instanceof DataInputStream) {
dis = (DataInputStream) stream;
} else {
dis = new DataInputStream(stream);
}
if (smfParser == null) {
dis.mark(maxReadLength);
} else {
smfParser.stream = dis;
}
int type;
int numtracks;
float divisionType;
int resolution;
try {
int magic = dis.readInt();
if( !(magic == MThd_MAGIC) ) {
// not MIDI
throw new InvalidMidiDataException("not a valid MIDI file");
}
// read header length
int bytesRemaining = dis.readInt() - 6;
type = dis.readShort();
numtracks = dis.readShort();
int timing = dis.readShort();
// decipher the timing code
if (timing > 0) {
// tempo based timing. value is ticks per beat.
divisionType = Sequence.PPQ;
resolution = timing;
} else {
// SMPTE based timing. first decipher the frame code.
int frameCode = -1 * (timing >> 8);
switch(frameCode) {
case 24:
divisionType = Sequence.SMPTE_24;
break;
case 25:
divisionType = Sequence.SMPTE_25;
break;
case 29:
divisionType = Sequence.SMPTE_30DROP;
break;
case 30:
divisionType = Sequence.SMPTE_30;
break;
default:
throw new InvalidMidiDataException("Unknown frame code: " + frameCode);
}
// now determine the timing resolution in ticks per frame.
resolution = timing & 0xFF;
}
if (smfParser != null) {
// remainder of this chunk
dis.skip(bytesRemaining);
smfParser.tracks = numtracks;
}
} finally {
// if only reading the file format, reset the stream
if (smfParser == null) {
dis.reset();
}
}
MidiFileFormat format = new MidiFileFormat(type, divisionType, resolution, fileLength, duration);
return format;
}
示例2: getMidiFileFormat
public MidiFileFormat getMidiFileFormat(InputStream in)
throws InvalidMidiDataException, IOException
{
DataInputStream din;
if (in instanceof DataInputStream)
din = (DataInputStream) in;
else
din = new DataInputStream(in);
int type, ntracks, division, resolution, bytes;
float divisionType;
if (din.readInt() != 0x4d546864) // "MThd"
throw new InvalidMidiDataException("Invalid MIDI chunk header.");
bytes = din.readInt();
if (bytes < 6)
throw new
InvalidMidiDataException("Invalid MIDI chunk header length: " + bytes);
type = din.readShort();
if (type < 0 || type > 2)
throw new
InvalidMidiDataException("Invalid MIDI file type value: " + type);
ntracks = din.readShort();
if (ntracks <= 0)
throw new
InvalidMidiDataException("Invalid number of MIDI tracks: " + ntracks);
division = din.readShort();
if ((division & 0x8000) != 0)
{
division = -((division >>> 8) & 0xFF);
switch (division)
{
case 24:
divisionType = Sequence.SMPTE_24;
break;
case 25:
divisionType = Sequence.SMPTE_25;
break;
case 29:
divisionType = Sequence.SMPTE_30DROP;
break;
case 30:
divisionType = Sequence.SMPTE_30;
break;
default:
throw new
InvalidMidiDataException("Invalid MIDI frame division type: "
+ division);
}
resolution = division & 0xff;
}
else
{
divisionType = Sequence.PPQ;
resolution = division & 0x7fff;
}
// If we haven't read every byte in the header now, just skip the rest.
din.skip(bytes - 6);
return new ExtendedMidiFileFormat(type, divisionType, resolution,
MidiFileFormat.UNKNOWN_LENGTH,
MidiFileFormat.UNKNOWN_LENGTH, ntracks);
}
示例3: getMidiFileFormat
public MidiFileFormat getMidiFileFormat(InputStream in)
throws InvalidMidiDataException, IOException
{
DataInputStream din;
if (in instanceof DataInputStream)
din = (DataInputStream) in;
else
din = new DataInputStream(in);
int type, ntracks, division, resolution, bytes;
float divisionType;
if (din.readInt() != 0x4d546864) // "MThd"
throw new InvalidMidiDataException("Invalid MIDI chunk header.");
bytes = din.readInt();
if (bytes < 6)
throw new
InvalidMidiDataException("Invalid MIDI chunk header length: " + bytes);
type = din.readShort();
if (type < 0 || type > 2)
throw new
InvalidMidiDataException("Invalid MIDI file type value: " + type);
ntracks = din.readShort();
if (ntracks <= 0)
throw new
InvalidMidiDataException("Invalid number of MIDI tracks: " + ntracks);
division = din.readShort();
if ((division & 0x8000) != 0)
{
division = -((division >>> 8) & 0xFF);
switch (division)
{
case 24:
divisionType = Sequence.SMPTE_24;
break;
case 25:
divisionType = Sequence.SMPTE_25;
break;
case 29:
divisionType = Sequence.SMPTE_30DROP;
break;
case 30:
divisionType = Sequence.SMPTE_30;
break;
default:
throw new
InvalidMidiDataException("Invalid MIDI frame division type: "
+ division);
}
resolution = division & 0xff;
}
else
{
divisionType = Sequence.PPQ;
resolution = division & 0x7fff;
}
// If we haven't read every byte in the header now, just skip the rest.
din.skip(bytes - 6);
return new ExtendedMidiFileFormat(type, divisionType, resolution,
MidiFileFormat.UNKNOWN_LENGTH,
MidiFileFormat.UNKNOWN_LENGTH, ntracks);
}
示例4: parseSpecificTracks
public MusicScore parseSpecificTracks(int[] targets) {
MusicScore score = new MusicScore();
if (source != null) {
score.setName(source.toString());
}
score.setLengthAsTick(sequence.getTickLength());
score.setLengthAsMicrosecond(sequence.getMicrosecondLength());
score.setResolution(sequence.getResolution());
boolean isTickPerBeat = false;
float fDivisionType = sequence.getDivisionType();
String strDivisionType = null;
if (fDivisionType == Sequence.PPQ) {
strDivisionType = "PPQ";
isTickPerBeat = true;
} else if (fDivisionType == Sequence.SMPTE_24) {
strDivisionType = "SMPTE, 24 frames per second";
} else if (fDivisionType == Sequence.SMPTE_25) {
strDivisionType = "SMPTE, 25 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30DROP) {
strDivisionType = "SMPTE, 29.97 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30) {
strDivisionType = "SMPTE, 30 frames per second";
}
Track[] tracks = sequence.getTracks();
for (int i = 0; i < targets.length; i++) {
for (int nEvent = 0; nEvent < tracks[targets[i]].size(); nEvent++) {
MidiEvent event = tracks[targets[i]].get(nEvent);
if (event.getMessage() instanceof ShortMessage) {
ShortMessage message = (ShortMessage) event.getMessage();
if (message.getCommand() == MIDIMessageCode.ProgramChange) {
score.setProgramCode(message.getData1());
} else if (message.getCommand() == 0xB0) {
if (message.getData1() == 0) {
score.setProgramLSB(message.getData2());
}
if (message.getData1() == 32) {
score.setProgramMSB(message.getData2());
}
}
Note note = decodeShortMessage(message, tracks[targets[i]], nEvent, score.getUnitTime());
score.addNote(note);
} else if (event.getMessage() instanceof MetaMessage) {
double startTime = tracks[targets[i]].get(nEvent).getTick() * score.getUnitTime();
decodeMetaMessage((MetaMessage) event.getMessage(), score, startTime);
}
}
}
return score;
}
示例5: parse
public MusicScore parse() {
MusicScore score = new MusicScore();
if (source != null) {
score.setName(source.toString());
}
score.setLengthAsTick(sequence.getTickLength());
score.setLengthAsMicrosecond(sequence.getMicrosecondLength());
score.setResolution(sequence.getResolution());
boolean isTickPerBeat = false;
float fDivisionType = sequence.getDivisionType();
String strDivisionType = null;
if (fDivisionType == Sequence.PPQ) {
strDivisionType = "PPQ";
isTickPerBeat = true;
} else if (fDivisionType == Sequence.SMPTE_24) {
strDivisionType = "SMPTE, 24 frames per second";
} else if (fDivisionType == Sequence.SMPTE_25) {
strDivisionType = "SMPTE, 25 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30DROP) {
strDivisionType = "SMPTE, 29.97 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30) {
strDivisionType = "SMPTE, 30 frames per second";
}
Track[] tracks = sequence.getTracks();
for (int nTrack = 0; nTrack < tracks.length; nTrack++) {
for (int nEvent = 0; nEvent < tracks[nTrack].size(); nEvent++) {
MidiEvent event = tracks[nTrack].get(nEvent);
if (event.getMessage() instanceof ShortMessage) {
ShortMessage message = (ShortMessage) event.getMessage();
if (message.getCommand() == MIDIMessageCode.ProgramChange) {
score.setProgramCode(message.getData1());
} else if (message.getCommand() == 0xB0) {
if (message.getData1() == 0) {
score.setProgramLSB(message.getData2());
}
if (message.getData1() == 32) {
score.setProgramMSB(message.getData2());
}
}
Note note = decodeShortMessage(message, tracks[nTrack], nEvent, score.getUnitTime());
score.addNote(note);
} else if (event.getMessage() instanceof MetaMessage) {
double startTime = tracks[nTrack].get(nEvent).getTick() * score.getUnitTime();
decodeMetaMessage((MetaMessage) event.getMessage(), score, startTime);
}
}
}
return score;
}
示例6: parseMultiTrack
public MusicScore[] parseMultiTrack() {
boolean isTickPerBeat = false;
float fDivisionType = sequence.getDivisionType();
String strDivisionType = null;
if (fDivisionType == Sequence.PPQ) {
strDivisionType = "PPQ";
isTickPerBeat = true;
} else if (fDivisionType == Sequence.SMPTE_24) {
strDivisionType = "SMPTE, 24 frames per second";
} else if (fDivisionType == Sequence.SMPTE_25) {
strDivisionType = "SMPTE, 25 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30DROP) {
strDivisionType = "SMPTE, 29.97 frames per second";
} else if (fDivisionType == Sequence.SMPTE_30) {
strDivisionType = "SMPTE, 30 frames per second";
}
final List<MusicScore> result = new ArrayList<MusicScore>();
final Track[] tracks = sequence.getTracks();
List<Tempo> tempo = null;
for (int nTrack = 0; nTrack < tracks.length; nTrack++) {
final MusicScore score = new MusicScore();
if (source != null) {
score.setName(source.toString());
}
result.add(score);
score.setLengthAsTick(sequence.getTickLength());
score.setLengthAsMicrosecond(sequence.getMicrosecondLength());
score.setResolution(sequence.getResolution());
for (int nEvent = 0; nEvent < tracks[nTrack].size(); nEvent++) {
final MidiEvent event = tracks[nTrack].get(nEvent);
if (event.getMessage() instanceof ShortMessage) {
ShortMessage message = (ShortMessage) event.getMessage();
if (message.getCommand() == MIDIMessageCode.ProgramChange) {
score.setProgramCode(message.getData1());
} else if (message.getCommand() == 0xB0) {
if (message.getData1() == 0) {
score.setProgramLSB(message.getData2());
}
if (message.getData1() == 32) {
score.setProgramMSB(message.getData2());
}
}
final Note note = decodeShortMessage(message, tracks[nTrack], nEvent, score.getUnitTime());
score.addNote(note);
} else if (event.getMessage() instanceof MetaMessage) {
double startTime = tracks[nTrack].get(nEvent).getTick() * score.getUnitTime();
decodeMetaMessage((MetaMessage) event.getMessage(), score, startTime);
}
}
if (tempo == null && score.getTempo().size() > 0) {
tempo = score.getTempo();
} else {
score.setMicrosecondsPerQuarterNote((long) tempo.get(0).getTempo());
score.setTempo(tempo);
}
}
return result.toArray(new MusicScore[result.size()]);
}