org/jsampler/JSUtils.java

/*
 *   JSampler - a java front-end for LinuxSampler
 *
 *   Copyright (C) 2009 Grigor Iliev <grigor@grigoriliev.com>
 *
 *   This file is part of JSampler.
 *
 *   JSampler is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   JSampler is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with JSampler; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *   MA  02111-1307  USA
 */

package org.jsampler;

import java.io.ByteArrayOutputStream;

import java.io.File;
import java.text.DateFormat;
import java.util.logging.Level;
import java.util.zip.GZIPOutputStream;

import org.jsampler.view.JSChannel;
import org.jsampler.view.JSChannelsPane;

import org.linuxsampler.lscp.AudioOutputChannel;
import org.linuxsampler.lscp.AudioOutputDevice;
import org.linuxsampler.lscp.Client;
import org.linuxsampler.lscp.FxSend;
import org.linuxsampler.lscp.MidiInputDevice;
import org.linuxsampler.lscp.MidiPort;
import org.linuxsampler.lscp.Parameter;
import org.linuxsampler.lscp.SamplerChannel;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

import static org.jsampler.CC.preferences;
import static org.jsampler.JSI18n.i18n;

/**
 *
 * @author Grigor Iliev
 */
public class JSUtils {

        /** Forbids the instantiation of this class */
        private
        JSUtils() { }

        /**
         * Checks whether the JSampler home directory is specified and exist.
         * If the JSampler home directory is not specifed, or is specified
         * but doesn't exist, a procedure of specifying a JSampler home
         * directory is initiated.
         * @see org.jsampler.view.JSMainFrame#installJSamplerHome
         */
        public static void
        checkJSamplerHome() {
                if(CC.getJSamplerHome() != null) {
                        File f = new File(CC.getJSamplerHome());
                        if(f.exists() && f.isDirectory()) {
                                return;
                        }
                }

                CC.getMainFrame().installJSamplerHome();
        }

        /**
         * Changes the JSampler's home directory and moves all files from
         * the old JSampler's home directory to the new one. If all files are
         * moved succesfully, the old directory is deleted.
         * @param path The location of the new JSampler's home directory. If
         * the last directory in the path doesn't exist, it is created.
         */
        public static void
        changeJSamplerHome(String path) {
                File fNew = new File(path);
                if(fNew.exists() && fNew.isFile()) {
                        HF.showErrorMessage(i18n.getError("CC.JSamplerHomeIsNotDir!"));
                        return;
                }

                if(!fNew.exists()) {
                        if(!fNew.mkdir()) {
                                String s = fNew.getAbsolutePath();
                                HF.showErrorMessage(i18n.getError("CC.mkdirFailed", s));
                                return;
                        }
                }

                if(CC.getJSamplerHome() == null || path.equals(CC.getJSamplerHome())) {
                        CC.setJSamplerHome(fNew.getAbsolutePath());
                        return;
                }

                File fOld = new File(CC.getJSamplerHome());
                if(!fOld.exists() || !fOld.isDirectory()) {
                        CC.setJSamplerHome(fNew.getAbsolutePath());
                        return;
                }

                File[] files = fOld.listFiles();
                boolean b = true;
                if(files != null) {
                        String s = fNew.getAbsolutePath() + File.separator;
                        for(File f : files) if(!f.renameTo(new File(s + f.getName()))) b = false;
                }

                if(b) fOld.delete();
                CC.setJSamplerHome(fNew.getAbsolutePath());
        }

        public static String
        exportInstrMapsToLscpScript() {
                StringBuffer sb = new StringBuffer("# Exported by: ");
                sb.append("JSampler - a java front-end for LinuxSampler\r\n# Version: ");
                sb.append(JSampler.VERSION).append("\r\n");
                sb.append("# Date: ").append(new java.util.Date().toString()).append("\r\n\r\n");

                Client lscpClient = new Client(true);
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                lscpClient.setPrintOnlyModeOutputStream(out);

                exportInstrMapsToLscpScript(lscpClient);
                sb.append(out.toString());
                out.reset();

                return sb.toString();
        }

        private static void
        exportInstrMapsToLscpScript(Client lscpClient) {
                try {
                        lscpClient.removeAllMidiInstrumentMaps();
                        MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
                        for(int i = 0; i < maps.length; i++) {
                                lscpClient.addMidiInstrumentMap(maps[i].getName());
                                exportInstrumentsToLscpScript(i, maps[i], lscpClient);
                        }
                } catch(Exception e) {
                        CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
                        HF.showErrorMessage(e);
                }
        }

        private static void
        exportInstrumentsToLscpScript(int mapId, MidiInstrumentMap map, Client lscpClient)
                                                                                throws Exception {

                boolean b = preferences().getBoolProperty(JSPrefs.LOAD_MIDI_INSTRUMENTS_IN_BACKGROUND);

                for(MidiInstrument i : map.getAllMidiInstruments()) {
                        lscpClient.mapMidiInstrument(mapId, i.getInfo().getEntry(), i.getInfo(), b);
                }
        }

        public static String
        exportInstrMapsToText() {
                String nl = System.getProperty("line.separator");
                StringBuffer sb = new StringBuffer();


                MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
                for(int i = 0; i < maps.length; i++) {
                        sb.append("MIDI Instrument Map: ");
                        sb.append(maps[i].getName()).append(nl);
                        exportInstrumentsToText(maps[i], sb);
                }

                String date = DateFormat.getDateInstance().format(new java.util.Date());
                sb.append("Date: ").append(date).append(nl);
                sb.append("Exported by: JSampler - a java front-end for LinuxSampler, Version ");
                sb.append(JSampler.VERSION).append(nl);

                return sb.toString();
        }

        private static void
        exportInstrumentsToText(MidiInstrumentMap map, StringBuffer sb) {
                int bank = -1;
                String nl = System.getProperty("line.separator");
                int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
                int prgOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_PROGRAM_NUMBER);

                for(MidiInstrument i : map.getAllMidiInstruments()) {
                        int newBank = i.getInfo().getMidiBank();
                        if(newBank != bank) {
                                bank = newBank;
                                sb.append(nl).append("\tMIDI Bank ");
                                sb.append(bank + bnkOffset).append(nl);
                        }
                        sb.append("\t[").append(bank + bnkOffset).append("] ");
                        sb.append(i.getInfo().getMidiProgram() + prgOffset);
                        sb.append(" - ").append(i.getName()).append(nl);
                }

                sb.append(nl);
        }

        public static String
        exportInstrMapsToHtml() {
                String nl = System.getProperty("line.separator");
                StringBuffer sb = new StringBuffer("<html>").append(nl);

                sb.append("<head><title>MIDI Instrument Maps</title></head>");
                
                sb.append("<body>").append(nl);
                sb.append("<h1>MIDI Instrument Maps</h1>").append(nl);

                String date = DateFormat.getDateInstance().format(new java.util.Date());
                sb.append("Date: ").append(date).append("<br>").append(nl);
                sb.append("Exported by <a href=http://linuxsampler.org/jsampler/manual/html/jsampler.html>");
                sb.append("JSampler</a> version ");
                sb.append(JSampler.VERSION).append("<br>").append(nl);

                MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();

                sb.append("<ol>").append(nl);
                for(int i = 0; i < maps.length; i++) {
                        String name = toHtmlEscapedText(maps[i].getName());
                        sb.append("<li><a href=#map-").append(i + 1).append(">");
                        sb.append(name).append("</a></li>").append(nl);
                }
                sb.append("</ol>").append(nl);

                for(int i = 0; i < maps.length; i++) {
                        String s = toHtmlEscapedText(maps[i].getName());
                        sb.append("<h2><a name=map-").append(i + 1).append(">");
                        sb.append(s).append("</a></h2>").append(nl);
                        exportInstrumentsToHtml(i, maps[i], sb);
                }

                sb.append(nl).append("</body>").append(nl).append("</html>");
                return sb.toString();
        }

        private static void
        exportInstrumentsToHtml(int mapId, MidiInstrumentMap map, StringBuffer sb) {
                int bank = -1;
                String nl = System.getProperty("line.separator");
                int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
                int prgOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_PROGRAM_NUMBER);

                sb.append("<ol>").append(nl);
                for(MidiInstrument i : map.getAllMidiInstruments()) {
                        int newBank = i.getInfo().getMidiBank();
                        if(newBank != bank) {
                                bank = newBank;
                                String s = "map-" + (mapId + 1) + "-bank-" + (bank + bnkOffset);
                                sb.append(nl).append("<li><a href=#").append(s);
                                sb.append(">MIDI Bank ");
                                sb.append(bank + bnkOffset).append("</a></li>").append(nl);
                        }
                }
                sb.append("</ol>").append(nl);

                bank = -1;
                String bankName = "";

                sb.append("<table border=0>").append(nl);
                for(MidiInstrument i : map.getAllMidiInstruments()) {
                        int newBank = i.getInfo().getMidiBank();
                        if(newBank != bank) {
                                bank = newBank;
                                sb.append("</table>").append(nl);

                                bankName = "map-" + (mapId + 1) + "-bank-" + (bank + bnkOffset);
                                sb.append(nl).append("<h4><a name=").append(bankName);
                                sb.append(">MIDI Bank ");
                                sb.append(bank + bnkOffset).append("</a></h4>").append(nl);

                                sb.append("<table border=0>").append(nl);
                        }

                        sb.append("<tr><td align='right'>");
                        sb.append(i.getInfo().getMidiProgram() + prgOffset).append(" - </td>");
                        String file = i.getInfo().getFilePath();
                        String tooltip = "File: " + file + ", Index: " + i.getInfo().getInstrumentIndex();
                        sb.append("<td><a title='").append(tooltip).append("'>");
                        String s = toHtmlEscapedText(i.getName());
                        sb.append(s).append("</a></td>");

                        sb.append("<td>&nbsp;&nbsp;<a href=#").append(bankName).append(">");
                        sb.append("[").append(bank + bnkOffset).append("]</a></td>").append(nl);
                        sb.append("</tr>");
                }
                sb.append("</table>").append(nl);

                sb.append(nl);
        }

        private static String
        toHtmlEscapedText(String s) {
                s = s.replaceAll("&", "&amp;");
                s = s.replaceAll("<", "&lt;");
                s = s.replaceAll(">", "&gt;");

                return s;
        }

        public static byte[]
        exportInstrMapsToRGD() {
                Document doc = DOMUtils.createEmptyDocument();

                Element rgd = doc.createElement("rosegarden-data");
                rgd.setAttribute("version", "1.7.2");
                doc.appendChild(rgd);

                Element studio = doc.createElement("studio");
                studio.setAttribute("thrufilter", "0");
                studio.setAttribute("recordfilter", "0");
                rgd.appendChild(studio);

                MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
                for(int i = 0; i < maps.length; i++) {
                        Element dev = doc.createElement("device");
                        dev.setAttribute("id", String.valueOf(i));
                        dev.setAttribute("name", "LinuxSampler: " + maps[i].getName());
                        dev.setAttribute("type", "midi");
                        studio.appendChild(dev);

                        Element el = doc.createElement("librarian");
                        el.setAttribute("name", "Grigor Iliev");
                        el.setAttribute("email", "grigor@grigoriliev.com");
                        dev.appendChild(el);

                        exportInstrumentsToRGD(maps[i], dev);
                }

                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                DOMUtils.writeObject(doc, baos);

                // Hack to insert the file name in the archive
                byte[] data2 = null;
                try {
                        ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
                        GZIPOutputStream gzos = new GZIPOutputStream(baos2);
                        gzos.write(baos.toByteArray());
                        gzos.finish();
                        byte[] data = baos2.toByteArray();
                        data[3] = 8; // File name
                        byte[] fn = "x-rosegarden-device".getBytes("US-ASCII");
                        int fnsize = fn.length;
                        data2 = new byte[data.length + fnsize + 1];
                        
                        for(int i = 0; i < 10; i++) data2[i] = data[i];
                        for(int i = 0; i < fnsize; i++) data2[i + 10] = fn[i];
                        data2[10 + fnsize] = 0;
                        for(int i = 10; i < data.length; i++) data2[i + fnsize + 1] = data[i];
                        
                } catch(Exception e) {
                        e.printStackTrace();
                }
                //////////////

                return data2;
        }

        private static void
        exportInstrumentsToRGD(MidiInstrumentMap map, Element el) {
                int bank = -1;
                int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
                Element elBank = null;

                for(MidiInstrument i : map.getAllMidiInstruments()) {
                        int newBank = i.getInfo().getMidiBank();
                        if(newBank != bank) {
                                bank = newBank;
                                elBank = el.getOwnerDocument().createElement("bank");
                                elBank.setAttribute("name", "Bank " + (bank + bnkOffset));
                                elBank.setAttribute("msb", String.valueOf((bank >> 7) & 0x7f));
                                elBank.setAttribute("lsb", String.valueOf(bank & 0x7f));
                                el.appendChild(elBank);
                        }

                        Element elProgram = el.getOwnerDocument().createElement("program");
                        elProgram.setAttribute("id", String.valueOf(i.getInfo().getMidiProgram()));
                        elProgram.setAttribute("name", i.getName());

                        elBank.appendChild(elProgram);
                }
        }

        public static String
        exportSessionToLscpScript() {
                CC.getSamplerModel().setModified(false);

                StringBuffer sb = new StringBuffer("# Exported by: ");
                sb.append("JSampler - a java front-end for LinuxSampler\r\n# Version: ");
                sb.append(JSampler.VERSION).append("\r\n");
                sb.append("# Date: ").append(new java.util.Date().toString()).append("\r\n\r\n");

                Client lscpClient = new Client(true);
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                lscpClient.setPrintOnlyModeOutputStream(out);

                try {
                        lscpClient.resetSampler();
                        sb.append(out.toString());
                        out.reset();
                        sb.append("\r\n");
                        lscpClient.setVolume(CC.getSamplerModel().getVolume());
                        sb.append(out.toString());
                        out.reset();
                        sb.append("\r\n");
                } catch(Exception e) { CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e); }

                MidiDeviceModel[] mDevs = CC.getSamplerModel().getMidiDevices();
                for(int i = 0; i < mDevs.length; i++) {
                        exportMidiDeviceToLscpScript(mDevs[i].getDeviceInfo(), i, lscpClient);
                        sb.append(out.toString());
                        out.reset();
                        sb.append("\r\n");
                }

                AudioDeviceModel[] aDevs = CC.getSamplerModel().getAudioDevices();
                int fxInsts = 0;
                
                for(int i = 0; i < aDevs.length; i++) {
                        fxInsts += exportAudioDeviceToLscpScript(aDevs[i], i, fxInsts, lscpClient);
                        sb.append(out.toString());
                        out.reset();
                        sb.append("\r\n");
                }

                boolean b = preferences().getBoolProperty(JSPrefs.EXPORT_MIDI_MAPS_TO_SESSION_SCRIPT);
                if(b) {
                        exportInstrMapsToLscpScript(lscpClient);
                        sb.append(out.toString());
                        out.reset();
                        sb.append("\r\n");
                }

                int chnId = 0;
                for(JSChannelsPane cp : CC.getMainFrame().getChannelsPaneList()) {
                        for(JSChannel chn : cp.getChannels()) {
                                SamplerChannelModel scm;
                                scm = CC.getSamplerModel().getChannelById(chn.getChannelId());
                                exportChannelToLscpScript(scm.getChannelInfo(), chnId, lscpClient);
                                sb.append(out.toString());
                                out.reset();

                                sb.append("\r\n");

                                exportFxSendsToLscpScript(scm, chnId, lscpClient);
                                sb.append(out.toString());
                                out.reset();

                                sb.append("\r\n");

                                chnId++;
                        }
                }

                sb.append(CC.getViewConfig().exportSessionViewConfig());

                return sb.toString();
        }

        private static void
        exportMidiDeviceToLscpScript(MidiInputDevice mid, int devId, Client lscpCLient) {
                try {
                        String s = mid.getDriverName();
                        lscpCLient.createMidiInputDevice(s, mid.getAdditionalParameters());

                        MidiPort[] mPorts = mid.getMidiPorts();
                        int l = mPorts.length;
                        if(l != 1) lscpCLient.setMidiInputPortCount(devId, l);

                        for(int i = 0; i < l; i++) {
                                Parameter[] prms = mPorts[i].getAllParameters();
                                for(Parameter p : prms) {
                                        if(!p.isFixed() && p.getStringValue().length() > 0)
                                                lscpCLient.setMidiInputPortParameter(devId, i, p);
                                }
                        }
                } catch(Exception e) {
                        CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
                }
        }

        /**
         * @param fxInsts The current number of created effect instances.
         * @return The number of effect instances in this audio device.
         */
        private static int
        exportAudioDeviceToLscpScript(AudioDeviceModel model, int devId, int fxInsts, Client lscpCLient) {
                int effectInstances = 0;
                
                try {
                        AudioOutputDevice aod = model.getDeviceInfo();
                        String s = aod.getDriverName();
                        lscpCLient.createAudioOutputDevice(s, aod.getAllParameters());

                        AudioOutputChannel[] chns = aod.getAudioChannels();

                        for(int i = 0; i < chns.length; i++) {
                                Parameter[] prms = chns[i].getAllParameters();
                                for(Parameter p : prms) {
                                        if(p.isFixed() || p.getStringValue().length() == 0);
                                        else lscpCLient.setAudioOutputChannelParameter(devId, i, p);
                                }
                        }
                        
                        for(int i = 0; i < model.getSendEffectChainCount(); i++) {
                                lscpCLient.addSendEffectChain(devId);
                                EffectChain chain = model.getSendEffectChain(i);
                                for(int j = 0; j < chain.getEffectInstanceCount(); j++) {
                                        EffectInstance ei = chain.getEffectInstance(j);
                                        String sys = ei.getInfo().getSystem();
                                        String mod = ei.getInfo().getModule();
                                        String name = ei.getInfo().getName();
                                        lscpCLient.createEffectInstance(sys, mod, name);
                                        int fxInstanceId = fxInsts + effectInstances++;
                                        lscpCLient.appendEffectInstance(devId, i, fxInstanceId);
                                }
                        }
                } catch(Exception e) {
                        CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
                }
                
                return effectInstances;
        }

        private static void
        exportChannelToLscpScript(SamplerChannel chn, int chnId, Client lscpCLient) {
                try {
                        lscpCLient.addSamplerChannel();

                        SamplerModel sm = CC.getSamplerModel();
                        int id = chn.getMidiInputDevice();
                        if(id != -1) {
                                for(int i = 0; i < sm.getMidiDeviceCount(); i++) {
                                        if(sm.getMidiDevice(i).getDeviceId() == id) {
                                                lscpCLient.setChannelMidiInputDevice(chnId, i);
                                                break;
                                        }
                                }
                                lscpCLient.setChannelMidiInputPort(chnId, chn.getMidiInputPort());
                                lscpCLient.setChannelMidiInputChannel(chnId, chn.getMidiInputChannel());
                        }

                        if(chn.getEngine() != null) {
                                lscpCLient.loadSamplerEngine(chn.getEngine().getName(), chnId);
                                lscpCLient.setChannelVolume(chnId, chn.getVolume());
                                int mapId = chn.getMidiInstrumentMapId();
                                lscpCLient.setChannelMidiInstrumentMap(chnId, mapId);
                        }

                        id = chn.getAudioOutputDevice();
                        if(id != -1) {
                                for(int i = 0; i < sm.getAudioDeviceCount(); i++) {
                                        if(sm.getAudioDevice(i).getDeviceId() == id) {
                                                lscpCLient.setChannelAudioOutputDevice(chnId, i);
                                                break;
                                        }
                                }

                                Integer[] routing = chn.getAudioOutputRouting();

                                for(int j = 0; j < routing.length; j++) {
                                        int k = routing[j];
                                        if(k == j) continue;

                                        lscpCLient.setChannelAudioOutputChannel(chnId, j, k);
                                }
                        }

                        String s = chn.getInstrumentFile();
                        int i = chn.getInstrumentIndex();
                        if(s != null) lscpCLient.loadInstrument(s, i, chnId, true);

                        if(chn.isMuted() && !chn.isMutedBySolo()) lscpCLient.setChannelMute(chnId, true);
                        if(chn.isSoloChannel()) lscpCLient.setChannelSolo(chnId, true);
                } catch(Exception e) {
                        CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
                }
        }

        private static void
        exportFxSendsToLscpScript(SamplerChannelModel scm, int chnId, Client lscpClient) {
                try {
                        FxSend[] fxSends = scm.getFxSends();

                        for(int i = 0; i < fxSends.length; i++) {
                                FxSend f = fxSends[i];
                                lscpClient.createFxSend(chnId, f.getMidiController(), f.getName());
                                lscpClient.setFxSendLevel(chnId, i, f.getLevel());

                                Integer[] r = f.getAudioOutputRouting();
                                for(int j = 0; j < r.length; j++) {
                                        lscpClient.setFxSendAudioOutputChannel(chnId, i, j, r[j]);
                                }
                                
                                int chainId = f.getDestChainId();
                                int chainPos = f.getDestChainPos();
                                
                                if(chainId != -1) {
                                        int aid = scm.getChannelInfo().getAudioOutputDevice();
                                        AudioDeviceModel m = CC.getSamplerModel().getAudioDeviceById(aid);
                                        int idx = m.getSendEffectChainIndex(chainId);
                                        lscpClient.setFxSendEffect(chnId, i, idx, chainPos);
                                }
                        }
                } catch(Exception e) {
                        CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
                }
        }
}
1	iliev	1915	/*
2			* JSampler - a java front-end for LinuxSampler
3			*
4			* Copyright (C) 2009 Grigor Iliev <grigor@grigoriliev.com>
5			*
6			* This file is part of JSampler.
7			*
8			* JSampler is free software; you can redistribute it and/or modify
9			* it under the terms of the GNU General Public License version 2
10			* as published by the Free Software Foundation.
11			*
12			* JSampler is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with JSampler; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20			* MA 02111-1307 USA
21			*/
22
23			package org.jsampler;
24
25			import java.io.ByteArrayOutputStream;
26
27			import java.io.File;
28			import java.text.DateFormat;
29			import java.util.logging.Level;
30	iliev	1916	import java.util.zip.GZIPOutputStream;
31	iliev	1915
32			import org.jsampler.view.JSChannel;
33			import org.jsampler.view.JSChannelsPane;
34
35			import org.linuxsampler.lscp.AudioOutputChannel;
36			import org.linuxsampler.lscp.AudioOutputDevice;
37			import org.linuxsampler.lscp.Client;
38			import org.linuxsampler.lscp.FxSend;
39			import org.linuxsampler.lscp.MidiInputDevice;
40			import org.linuxsampler.lscp.MidiPort;
41			import org.linuxsampler.lscp.Parameter;
42			import org.linuxsampler.lscp.SamplerChannel;
43
44	iliev	1916	import org.w3c.dom.Document;
45			import org.w3c.dom.Element;
46
47	iliev	1915	import static org.jsampler.CC.preferences;
48			import static org.jsampler.JSI18n.i18n;
49
50			/**
51			*
52			* @author Grigor Iliev
53			*/
54			public class JSUtils {
55
56			/** Forbids the instantiation of this class */
57			private
58			JSUtils() { }
59
60			/**
61			* Checks whether the JSampler home directory is specified and exist.
62			* If the JSampler home directory is not specifed, or is specified
63			* but doesn't exist, a procedure of specifying a JSampler home
64			* directory is initiated.
65			* @see org.jsampler.view.JSMainFrame#installJSamplerHome
66			*/
67			public static void
68			checkJSamplerHome() {
69			if(CC.getJSamplerHome() != null) {
70			File f = new File(CC.getJSamplerHome());
71			if(f.exists() && f.isDirectory()) {
72			return;
73			}
74			}
75
76			CC.getMainFrame().installJSamplerHome();
77			}
78
79			/**
80			* Changes the JSampler's home directory and moves all files from
81			* the old JSampler's home directory to the new one. If all files are
82			* moved succesfully, the old directory is deleted.
83			* @param path The location of the new JSampler's home directory. If
84			* the last directory in the path doesn't exist, it is created.
85			*/
86			public static void
87			changeJSamplerHome(String path) {
88			File fNew = new File(path);
89			if(fNew.exists() && fNew.isFile()) {
90			HF.showErrorMessage(i18n.getError("CC.JSamplerHomeIsNotDir!"));
91			return;
92			}
93
94			if(!fNew.exists()) {
95			if(!fNew.mkdir()) {
96			String s = fNew.getAbsolutePath();
97			HF.showErrorMessage(i18n.getError("CC.mkdirFailed", s));
98			return;
99			}
100			}
101
102			if(CC.getJSamplerHome() == null \|\| path.equals(CC.getJSamplerHome())) {
103			CC.setJSamplerHome(fNew.getAbsolutePath());
104			return;
105			}
106
107			File fOld = new File(CC.getJSamplerHome());
108			if(!fOld.exists() \|\| !fOld.isDirectory()) {
109			CC.setJSamplerHome(fNew.getAbsolutePath());
110			return;
111			}
112
113			File[] files = fOld.listFiles();
114			boolean b = true;
115			if(files != null) {
116			String s = fNew.getAbsolutePath() + File.separator;
117			for(File f : files) if(!f.renameTo(new File(s + f.getName()))) b = false;
118			}
119
120			if(b) fOld.delete();
121			CC.setJSamplerHome(fNew.getAbsolutePath());
122			}
123
124			public static String
125			exportInstrMapsToLscpScript() {
126			StringBuffer sb = new StringBuffer("# Exported by: ");
127			sb.append("JSampler - a java front-end for LinuxSampler\r\n# Version: ");
128			sb.append(JSampler.VERSION).append("\r\n");
129			sb.append("# Date: ").append(new java.util.Date().toString()).append("\r\n\r\n");
130
131			Client lscpClient = new Client(true);
132			ByteArrayOutputStream out = new ByteArrayOutputStream();
133			lscpClient.setPrintOnlyModeOutputStream(out);
134
135			exportInstrMapsToLscpScript(lscpClient);
136			sb.append(out.toString());
137			out.reset();
138
139			return sb.toString();
140			}
141
142			private static void
143			exportInstrMapsToLscpScript(Client lscpClient) {
144			try {
145			lscpClient.removeAllMidiInstrumentMaps();
146			MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
147			for(int i = 0; i < maps.length; i++) {
148			lscpClient.addMidiInstrumentMap(maps[i].getName());
149			exportInstrumentsToLscpScript(i, maps[i], lscpClient);
150			}
151			} catch(Exception e) {
152			CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
153			HF.showErrorMessage(e);
154			}
155			}
156
157			private static void
158			exportInstrumentsToLscpScript(int mapId, MidiInstrumentMap map, Client lscpClient)
159			throws Exception {
160
161			boolean b = preferences().getBoolProperty(JSPrefs.LOAD_MIDI_INSTRUMENTS_IN_BACKGROUND);
162
163			for(MidiInstrument i : map.getAllMidiInstruments()) {
164			lscpClient.mapMidiInstrument(mapId, i.getInfo().getEntry(), i.getInfo(), b);
165			}
166			}
167
168			public static String
169			exportInstrMapsToText() {
170			String nl = System.getProperty("line.separator");
171			StringBuffer sb = new StringBuffer();
172
173
174			MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
175			for(int i = 0; i < maps.length; i++) {
176			sb.append("MIDI Instrument Map: ");
177			sb.append(maps[i].getName()).append(nl);
178			exportInstrumentsToText(maps[i], sb);
179			}
180
181			String date = DateFormat.getDateInstance().format(new java.util.Date());
182			sb.append("Date: ").append(date).append(nl);
183			sb.append("Exported by: JSampler - a java front-end for LinuxSampler, Version ");
184			sb.append(JSampler.VERSION).append(nl);
185
186			return sb.toString();
187			}
188
189			private static void
190			exportInstrumentsToText(MidiInstrumentMap map, StringBuffer sb) {
191			int bank = -1;
192			String nl = System.getProperty("line.separator");
193			int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
194			int prgOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_PROGRAM_NUMBER);
195
196			for(MidiInstrument i : map.getAllMidiInstruments()) {
197			int newBank = i.getInfo().getMidiBank();
198			if(newBank != bank) {
199			bank = newBank;
200			sb.append(nl).append("\tMIDI Bank ");
201			sb.append(bank + bnkOffset).append(nl);
202			}
203			sb.append("\t[").append(bank + bnkOffset).append("] ");
204			sb.append(i.getInfo().getMidiProgram() + prgOffset);
205			sb.append(" - ").append(i.getName()).append(nl);
206			}
207
208			sb.append(nl);
209			}
210
211			public static String
212			exportInstrMapsToHtml() {
213			String nl = System.getProperty("line.separator");
214			StringBuffer sb = new StringBuffer("<html>").append(nl);
215
216			sb.append("<head><title>MIDI Instrument Maps</title></head>");
217
218			sb.append("<body>").append(nl);
219			sb.append("<h1>MIDI Instrument Maps</h1>").append(nl);
220
221			String date = DateFormat.getDateInstance().format(new java.util.Date());
222			sb.append("Date: ").append(date).append("<br>").append(nl);
223			sb.append("Exported by <a href=http://linuxsampler.org/jsampler/manual/html/jsampler.html>");
224			sb.append("JSampler</a> version ");
225			sb.append(JSampler.VERSION).append("<br>").append(nl);
226
227			MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
228
229			sb.append("<ol>").append(nl);
230			for(int i = 0; i < maps.length; i++) {
231			String name = toHtmlEscapedText(maps[i].getName());
232			sb.append("<li><a href=#map-").append(i + 1).append(">");
233			sb.append(name).append("</a></li>").append(nl);
234			}
235			sb.append("</ol>").append(nl);
236
237			for(int i = 0; i < maps.length; i++) {
238			String s = toHtmlEscapedText(maps[i].getName());
239			sb.append("<h2><a name=map-").append(i + 1).append(">");
240			sb.append(s).append("</a></h2>").append(nl);
241			exportInstrumentsToHtml(i, maps[i], sb);
242			}
243
244			sb.append(nl).append("</body>").append(nl).append("</html>");
245			return sb.toString();
246			}
247
248			private static void
249			exportInstrumentsToHtml(int mapId, MidiInstrumentMap map, StringBuffer sb) {
250			int bank = -1;
251			String nl = System.getProperty("line.separator");
252			int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
253			int prgOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_PROGRAM_NUMBER);
254
255			sb.append("<ol>").append(nl);
256			for(MidiInstrument i : map.getAllMidiInstruments()) {
257			int newBank = i.getInfo().getMidiBank();
258			if(newBank != bank) {
259			bank = newBank;
260			String s = "map-" + (mapId + 1) + "-bank-" + (bank + bnkOffset);
261			sb.append(nl).append("<li><a href=#").append(s);
262			sb.append(">MIDI Bank ");
263			sb.append(bank + bnkOffset).append("</a></li>").append(nl);
264			}
265			}
266			sb.append("</ol>").append(nl);
267
268			bank = -1;
269			String bankName = "";
270
271			sb.append("<table border=0>").append(nl);
272			for(MidiInstrument i : map.getAllMidiInstruments()) {
273			int newBank = i.getInfo().getMidiBank();
274			if(newBank != bank) {
275			bank = newBank;
276			sb.append("</table>").append(nl);
277
278			bankName = "map-" + (mapId + 1) + "-bank-" + (bank + bnkOffset);
279			sb.append(nl).append("<h4><a name=").append(bankName);
280			sb.append(">MIDI Bank ");
281			sb.append(bank + bnkOffset).append("</a></h4>").append(nl);
282
283			sb.append("<table border=0>").append(nl);
284			}
285
286			sb.append("<tr><td align='right'>");
287			sb.append(i.getInfo().getMidiProgram() + prgOffset).append(" - </td>");
288			String file = i.getInfo().getFilePath();
289			String tooltip = "File: " + file + ", Index: " + i.getInfo().getInstrumentIndex();
290			sb.append("<td><a title='").append(tooltip).append("'>");
291			String s = toHtmlEscapedText(i.getName());
292			sb.append(s).append("</a></td>");
293
294			sb.append("<td>  <a href=#").append(bankName).append(">");
295			sb.append("[").append(bank + bnkOffset).append("]</a></td>").append(nl);
296			sb.append("</tr>");
297			}
298			sb.append("</table>").append(nl);
299
300			sb.append(nl);
301			}
302
303			private static String
304			toHtmlEscapedText(String s) {
305			s = s.replaceAll("&", "&");
306			s = s.replaceAll("<", "<");
307			s = s.replaceAll(">", ">");
308
309			return s;
310			}
311
312	iliev	1916	public static byte[]
313			exportInstrMapsToRGD() {
314			Document doc = DOMUtils.createEmptyDocument();
315
316			Element rgd = doc.createElement("rosegarden-data");
317			rgd.setAttribute("version", "1.7.2");
318			doc.appendChild(rgd);
319
320			Element studio = doc.createElement("studio");
321			studio.setAttribute("thrufilter", "0");
322			studio.setAttribute("recordfilter", "0");
323			rgd.appendChild(studio);
324
325			MidiInstrumentMap[] maps = CC.getSamplerModel().getMidiInstrumentMaps();
326			for(int i = 0; i < maps.length; i++) {
327			Element dev = doc.createElement("device");
328			dev.setAttribute("id", String.valueOf(i));
329			dev.setAttribute("name", "LinuxSampler: " + maps[i].getName());
330			dev.setAttribute("type", "midi");
331			studio.appendChild(dev);
332
333			Element el = doc.createElement("librarian");
334			el.setAttribute("name", "Grigor Iliev");
335			el.setAttribute("email", "grigor@grigoriliev.com");
336			dev.appendChild(el);
337
338			exportInstrumentsToRGD(maps[i], dev);
339			}
340
341			ByteArrayOutputStream baos = new ByteArrayOutputStream();
342			DOMUtils.writeObject(doc, baos);
343
344			// Hack to insert the file name in the archive
345			byte[] data2 = null;
346			try {
347			ByteArrayOutputStream baos2 = new ByteArrayOutputStream();
348			GZIPOutputStream gzos = new GZIPOutputStream(baos2);
349			gzos.write(baos.toByteArray());
350			gzos.finish();
351			byte[] data = baos2.toByteArray();
352			data[3] = 8; // File name
353			byte[] fn = "x-rosegarden-device".getBytes("US-ASCII");
354			int fnsize = fn.length;
355			data2 = new byte[data.length + fnsize + 1];
356
357			for(int i = 0; i < 10; i++) data2[i] = data[i];
358			for(int i = 0; i < fnsize; i++) data2[i + 10] = fn[i];
359			data2[10 + fnsize] = 0;
360			for(int i = 10; i < data.length; i++) data2[i + fnsize + 1] = data[i];
361
362			} catch(Exception e) {
363			e.printStackTrace();
364			}
365			//////////////
366
367			return data2;
368			}
369
370			private static void
371			exportInstrumentsToRGD(MidiInstrumentMap map, Element el) {
372			int bank = -1;
373			int bnkOffset = preferences().getIntProperty(JSPrefs.FIRST_MIDI_BANK_NUMBER);
374			Element elBank = null;
375
376			for(MidiInstrument i : map.getAllMidiInstruments()) {
377			int newBank = i.getInfo().getMidiBank();
378			if(newBank != bank) {
379			bank = newBank;
380			elBank = el.getOwnerDocument().createElement("bank");
381			elBank.setAttribute("name", "Bank " + (bank + bnkOffset));
382			elBank.setAttribute("msb", String.valueOf((bank >> 7) & 0x7f));
383			elBank.setAttribute("lsb", String.valueOf(bank & 0x7f));
384			el.appendChild(elBank);
385			}
386
387			Element elProgram = el.getOwnerDocument().createElement("program");
388			elProgram.setAttribute("id", String.valueOf(i.getInfo().getMidiProgram()));
389			elProgram.setAttribute("name", i.getName());
390
391			elBank.appendChild(elProgram);
392			}
393			}
394
395	iliev	1915	public static String
396			exportSessionToLscpScript() {
397			CC.getSamplerModel().setModified(false);
398
399			StringBuffer sb = new StringBuffer("# Exported by: ");
400			sb.append("JSampler - a java front-end for LinuxSampler\r\n# Version: ");
401			sb.append(JSampler.VERSION).append("\r\n");
402			sb.append("# Date: ").append(new java.util.Date().toString()).append("\r\n\r\n");
403
404			Client lscpClient = new Client(true);
405			ByteArrayOutputStream out = new ByteArrayOutputStream();
406			lscpClient.setPrintOnlyModeOutputStream(out);
407
408			try {
409			lscpClient.resetSampler();
410			sb.append(out.toString());
411			out.reset();
412			sb.append("\r\n");
413			lscpClient.setVolume(CC.getSamplerModel().getVolume());
414			sb.append(out.toString());
415			out.reset();
416			sb.append("\r\n");
417			} catch(Exception e) { CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e); }
418
419			MidiDeviceModel[] mDevs = CC.getSamplerModel().getMidiDevices();
420			for(int i = 0; i < mDevs.length; i++) {
421			exportMidiDeviceToLscpScript(mDevs[i].getDeviceInfo(), i, lscpClient);
422			sb.append(out.toString());
423			out.reset();
424			sb.append("\r\n");
425			}
426
427			AudioDeviceModel[] aDevs = CC.getSamplerModel().getAudioDevices();
428	iliev	2200	int fxInsts = 0;
429
430	iliev	1915	for(int i = 0; i < aDevs.length; i++) {
431	iliev	2200	fxInsts += exportAudioDeviceToLscpScript(aDevs[i], i, fxInsts, lscpClient);
432	iliev	1915	sb.append(out.toString());
433			out.reset();
434			sb.append("\r\n");
435			}
436
437			boolean b = preferences().getBoolProperty(JSPrefs.EXPORT_MIDI_MAPS_TO_SESSION_SCRIPT);
438			if(b) {
439			exportInstrMapsToLscpScript(lscpClient);
440			sb.append(out.toString());
441			out.reset();
442			sb.append("\r\n");
443			}
444
445			int chnId = 0;
446			for(JSChannelsPane cp : CC.getMainFrame().getChannelsPaneList()) {
447			for(JSChannel chn : cp.getChannels()) {
448			SamplerChannelModel scm;
449			scm = CC.getSamplerModel().getChannelById(chn.getChannelId());
450			exportChannelToLscpScript(scm.getChannelInfo(), chnId, lscpClient);
451			sb.append(out.toString());
452			out.reset();
453
454			sb.append("\r\n");
455
456			exportFxSendsToLscpScript(scm, chnId, lscpClient);
457			sb.append(out.toString());
458			out.reset();
459
460			sb.append("\r\n");
461
462			chnId++;
463			}
464			}
465
466			sb.append(CC.getViewConfig().exportSessionViewConfig());
467
468			return sb.toString();
469			}
470
471			private static void
472			exportMidiDeviceToLscpScript(MidiInputDevice mid, int devId, Client lscpCLient) {
473			try {
474			String s = mid.getDriverName();
475			lscpCLient.createMidiInputDevice(s, mid.getAdditionalParameters());
476
477			MidiPort[] mPorts = mid.getMidiPorts();
478			int l = mPorts.length;
479			if(l != 1) lscpCLient.setMidiInputPortCount(devId, l);
480
481			for(int i = 0; i < l; i++) {
482			Parameter[] prms = mPorts[i].getAllParameters();
483			for(Parameter p : prms) {
484			if(!p.isFixed() && p.getStringValue().length() > 0)
485			lscpCLient.setMidiInputPortParameter(devId, i, p);
486			}
487			}
488			} catch(Exception e) {
489			CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
490			}
491			}
492
493	iliev	2200	/**
494			* @param fxInsts The current number of created effect instances.
495			* @return The number of effect instances in this audio device.
496			*/
497			private static int
498			exportAudioDeviceToLscpScript(AudioDeviceModel model, int devId, int fxInsts, Client lscpCLient) {
499			int effectInstances = 0;
500
501	iliev	1915	try {
502	iliev	2200	AudioOutputDevice aod = model.getDeviceInfo();
503	iliev	1915	String s = aod.getDriverName();
504			lscpCLient.createAudioOutputDevice(s, aod.getAllParameters());
505
506			AudioOutputChannel[] chns = aod.getAudioChannels();
507
508			for(int i = 0; i < chns.length; i++) {
509			Parameter[] prms = chns[i].getAllParameters();
510			for(Parameter p : prms) {
511			if(p.isFixed() \|\| p.getStringValue().length() == 0);
512			else lscpCLient.setAudioOutputChannelParameter(devId, i, p);
513			}
514			}
515	iliev	2200
516			for(int i = 0; i < model.getSendEffectChainCount(); i++) {
517			lscpCLient.addSendEffectChain(devId);
518			EffectChain chain = model.getSendEffectChain(i);
519			for(int j = 0; j < chain.getEffectInstanceCount(); j++) {
520			EffectInstance ei = chain.getEffectInstance(j);
521			String sys = ei.getInfo().getSystem();
522			String mod = ei.getInfo().getModule();
523			String name = ei.getInfo().getName();
524			lscpCLient.createEffectInstance(sys, mod, name);
525			int fxInstanceId = fxInsts + effectInstances++;
526			lscpCLient.appendEffectInstance(devId, i, fxInstanceId);
527			}
528			}
529	iliev	1915	} catch(Exception e) {
530			CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
531			}
532	iliev	2200
533			return effectInstances;
534	iliev	1915	}
535
536			private static void
537			exportChannelToLscpScript(SamplerChannel chn, int chnId, Client lscpCLient) {
538			try {
539			lscpCLient.addSamplerChannel();
540
541			SamplerModel sm = CC.getSamplerModel();
542			int id = chn.getMidiInputDevice();
543			if(id != -1) {
544			for(int i = 0; i < sm.getMidiDeviceCount(); i++) {
545			if(sm.getMidiDevice(i).getDeviceId() == id) {
546			lscpCLient.setChannelMidiInputDevice(chnId, i);
547			break;
548			}
549			}
550			lscpCLient.setChannelMidiInputPort(chnId, chn.getMidiInputPort());
551			lscpCLient.setChannelMidiInputChannel(chnId, chn.getMidiInputChannel());
552			}
553
554			if(chn.getEngine() != null) {
555			lscpCLient.loadSamplerEngine(chn.getEngine().getName(), chnId);
556			lscpCLient.setChannelVolume(chnId, chn.getVolume());
557			int mapId = chn.getMidiInstrumentMapId();
558			lscpCLient.setChannelMidiInstrumentMap(chnId, mapId);
559			}
560
561			id = chn.getAudioOutputDevice();
562			if(id != -1) {
563			for(int i = 0; i < sm.getAudioDeviceCount(); i++) {
564			if(sm.getAudioDevice(i).getDeviceId() == id) {
565			lscpCLient.setChannelAudioOutputDevice(chnId, i);
566			break;
567			}
568			}
569
570			Integer[] routing = chn.getAudioOutputRouting();
571
572			for(int j = 0; j < routing.length; j++) {
573			int k = routing[j];
574			if(k == j) continue;
575
576			lscpCLient.setChannelAudioOutputChannel(chnId, j, k);
577			}
578			}
579
580			String s = chn.getInstrumentFile();
581			int i = chn.getInstrumentIndex();
582			if(s != null) lscpCLient.loadInstrument(s, i, chnId, true);
583
584			if(chn.isMuted() && !chn.isMutedBySolo()) lscpCLient.setChannelMute(chnId, true);
585			if(chn.isSoloChannel()) lscpCLient.setChannelSolo(chnId, true);
586			} catch(Exception e) {
587			CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
588			}
589			}
590
591			private static void
592			exportFxSendsToLscpScript(SamplerChannelModel scm, int chnId, Client lscpClient) {
593			try {
594			FxSend[] fxSends = scm.getFxSends();
595
596			for(int i = 0; i < fxSends.length; i++) {
597			FxSend f = fxSends[i];
598			lscpClient.createFxSend(chnId, f.getMidiController(), f.getName());
599			lscpClient.setFxSendLevel(chnId, i, f.getLevel());
600
601			Integer[] r = f.getAudioOutputRouting();
602			for(int j = 0; j < r.length; j++) {
603			lscpClient.setFxSendAudioOutputChannel(chnId, i, j, r[j]);
604			}
605	iliev	2200
606			int chainId = f.getDestChainId();
607			int chainPos = f.getDestChainPos();
608
609			if(chainId != -1) {
610			int aid = scm.getChannelInfo().getAudioOutputDevice();
611			AudioDeviceModel m = CC.getSamplerModel().getAudioDeviceById(aid);
612			int idx = m.getSendEffectChainIndex(chainId);
613			lscpClient.setFxSendEffect(chnId, i, idx, chainPos);
614			}
615	iliev	1915	}
616			} catch(Exception e) {
617			CC.getLogger().log(Level.FINE, HF.getErrorMessage(e), e);
618			}
619			}
620			}