/** Redo the last undone operation */ public void performRedo() { if (!canRedo()) return; Object lastOperation = redoOperations.get(redoOperations.size() - 1); if (lastOperation instanceof Integer) { Integer last = (Integer) redoOperations.get(redoOperations.size() - 1); int action = last.intValue(); CutListElement el; switch (action) { case EditAction.PASTE: case EditAction.TRIM: el = (CutListElement) redoElements.get(redoElements.size() - 1); redoElements.remove(el); cutList.addElement(el); case EditAction.CUT: case EditAction.DELETE: el = (CutListElement) redoElements.get(redoElements.size() - 1); redoElements.remove(el); cutList.addElement(el); break; default: break; } } else if (lastOperation instanceof CutListElement) { cutList.addElement((CutListElement) lastOperation); redoElements.remove(lastOperation); } undoOperations.add(lastOperation); redoOperations.remove(lastOperation); }
/** Trim this WaveTab´s data to the current selection */ public void performTrim() { Selection sel = waveDisplay.getSelection(); int pos = sel.getLeft(); cutList.addElement(new DeleteElement(0, sel.getLeft())); cutList.addElement( new DeleteElement( sel.getRight() - sel.getLeft(), cutList.getLength() - sel.getRight() + sel.getLeft())); waveDisplay.setSelection(new Selection(0, cutList.getLength())); waveDisplay.setPosition(0); }
/** Delete the current selection */ public void performDelete() { Selection sel = waveDisplay.getSelection(); int pos = sel.getLeft(); cutList.addElement(new DeleteElement(sel.getLeft(), sel.getRight() - sel.getLeft())); waveDisplay.setSelection(new Selection(0)); waveDisplay.setPosition(pos); }
/** Insert the clipboard content of the editor at the current position */ public void performPaste() throws DifferentChannelException { WaveTab sourceTab = editor.getCopySource(); if (sourceTab == null) return; if (sourceTab.getChannels() != getChannels()) { throw new DifferentChannelException(); } CutListSource source = sourceTab.getCopySource(); int pos = waveDisplay.getSelection().getLeft(); performDelete(); cutList.addElement(new InsertElement(source, pos)); }
/** * Apply the given effect to this WaveTab´s audio data * * @param effect The effect to apply */ public void applyEffect(Effect effect) { Selection sel = waveDisplay.getSelection(); if (sel.getLeft() == sel.getRight()) waveDisplay.setSelection(new Selection(0, getTotalLength())); Thread thread = null; try { AudioInputStream stream = getAudioInputStream(); int sourceChannels = stream.getFormat().getChannels(); stream = AudioManager.getStereoInputStream(stream); final FXUnit unit = new FXUnit(effect); if (effect.needsAnalysis()) { Analyzer a = new Analyzer(unit, stream); ProgressMonitor monitor = new ProgressMonitor(getShell(), a, "Analyzing...", "Analyzing audio data"); monitor.start(); stream = AudioManager.getStereoInputStream(getAudioInputStream()); } final SourceDataLine sourceLine = unit.getEffectSourceLine(); sourceLine.open(); sourceLine.start(); final TargetDataLine targetLine = unit.getEffectTargetLine(); targetLine.open(); targetLine.start(); if (!stream.getFormat().equals(sourceLine.getFormat())) { if (AudioSystem.isConversionSupported(sourceLine.getFormat(), stream.getFormat())) stream = AudioSystem.getAudioInputStream(sourceLine.getFormat(), stream); else { editor.errorMessage( "Unable to apply effect:\nFormat conversion from " + stream.getFormat() + " to " + sourceLine.getFormat() + " not supported."); return; } } final AudioInputStream inStream = stream; thread = new Thread() { public void run() { int numBytesRead = 0; byte[] buffer = new byte[sourceLine.getBufferSize()]; while (numBytesRead != -1 && !getItem().isDisposed()) { try { numBytesRead = inStream.read(buffer, 0, buffer.length); } catch (IOException e1) { e1.printStackTrace(); numBytesRead = -1; } if (numBytesRead > 0) { sourceLine.write(buffer, 0, numBytesRead); } try { Thread.sleep(0, 1); } catch (InterruptedException e) { } } } }; thread.start(); AudioInputStream in = new AudioInputStream(targetLine); if (sourceChannels == 1) in = AudioManager.getMonoInputStream(in); File tempFile = File.createTempFile("gmtmp_", ".wav"); AudioFormat tempFormat = new AudioFormat( fileFormat.getFormat().getSampleRate(), 16, fileFormat.getFormat().getChannels(), true, false); AudioFileOutputStream out = AudioManager.getDefault() .getAudioFileOutputStream( tempFile, tempFormat, AudioFileFormat.Type.WAVE, null, null, null); if (!in.getFormat().equals(out.getFormat())) in = AudioSystem.getAudioInputStream(out.getFormat(), in); SaveFileThread saver = new SaveFileThread( in, out, (int) inStream.getFrameLength(), in.getFormat().getFrameSize(), true); ProgressMonitor monitor = new ProgressMonitor( getShell(), saver, "Apply Effect", "Applying " + effect.getName() + " to Selection"); monitor.start(); File tempPeak = File.createTempFile("gmtmp_", ".gmpk"); CreatePeakFileThread peak = new CreatePeakFileThread(AudioSystem.getAudioInputStream(tempFile), tempPeak); monitor = new ProgressMonitor( getShell(), peak, "Creating peak file", "Creating peak file for applied effect."); monitor.start(); PeakWaveForm pwf = new PeakWaveForm(tempPeak); AudioFileWaveForm awf = new AudioFileWaveForm(tempFile, pwf, 32 * 1024, 25); CutListSource newSource = new AudioFileSource(tempFile, awf); sel = waveDisplay.getSelection(); int left = sel.getLeft(); int right = sel.getRight(); ReplaceElement el = new ReplaceElement( effect.getName(), newSource, left, right - left, fileFormat.getFormat()); cutList.addElement(el); undoOperations.add(el); redoOperations.clear(); thread.stop(); } catch (NotReadyException e) { e.printStackTrace(); editor.errorMessage(e.getMessage()); if (thread != null) thread.stop(); } catch (NotFinishedException e) { e.printStackTrace(); editor.errorMessage(e.getMessage()); if (thread != null) thread.stop(); } catch (LineUnavailableException e) { e.printStackTrace(); editor.errorMessage(e.getMessage()); if (thread != null) thread.stop(); } catch (IOException e) { e.printStackTrace(); editor.errorMessage(e.getMessage()); if (thread != null) thread.stop(); } catch (UnsupportedAudioFileException e) { e.printStackTrace(); editor.errorMessage(e.getMessage()); if (thread != null) thread.stop(); } }