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373
Modules/sound/Sound.java
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373
Modules/sound/Sound.java
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/*
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Sound.java
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*
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* Copyright (c) 2000, Ted Nelson, Tuomas Lukka and Vesa Parkkinen
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Vesa Parkkinen
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*/
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package org.gzigzag.module;
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import org.gzigzag.*;
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import java.util.*;
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import java.io.*;
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import java.net.*;
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import java.awt.*;
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/**
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* Should be broken to smaller pieces.
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* @author Vesa Parkkinen <veparkki@iki.fi>
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*
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*/
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public class Sound {
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public static final String rcsid = "$Id: Sound.java,v 1.2 2001/03/27 20:43:25 tjl Exp $";
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/* debugging */
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public static boolean dbg = true;
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static final void p(String s) { if(dbg) ZZLogger.log(s); }
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static final void pa(String s) { ZZLogger.log(s); }
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/**
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* Static module used in gzigzag module loading.
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*/
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static public ZZModule module = new ZZModule() {
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public void action( String id, ZZCell code,
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ZZCell target,
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ZZView v, ZZView cv,
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String key, Point pt,
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ZZScene xi) {
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p("Sound.module.action() " + id);
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if( id.equals("PLAY") ) {
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p("PLAYing...");
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instance.play(target);
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} else if( id.equals("RECORD")){
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p("RECORDing...");
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// what ehis should mean ?
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instance.record(target);
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} else if ( id.equals("STOP")) {
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p("STOPing...");
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instance.stop();
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} else if ( id.equals("CUT")){
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p("CUTing...");
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instance.cut();
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} else if ( id.equals("TAG")) {
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p("TAGing...");
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instance.tag(target);
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} else if ( id.equals("INIT")) {
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p("INITing...");
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instance.init(target);
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}
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}
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public ZOb newZOb(String id) {
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p("Sound.module.newZOb(" + id + ")");
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return null;
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}
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};
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static String stream = "SNDSTR";
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static String file = "/tmp/soundscroll";
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static String d = "d.sound";
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static String dtag = "d.handle";
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static String dspan = "d.sound-span";
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static String dsessions = "d.sound-sessions";
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static long duration = 2000000;
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static String mod = "Sound";
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static String[] ops = { //"INIT",
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"PLAY",
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"RECORD",
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"STOP",
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"CUT",
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"TAG"
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};
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Recorder recorder = new SimpleRecorder();
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public Span getSpan(){
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return null;
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}
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public ZZCell getSpanAsCell(){
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return null;
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}
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//************************************************************************
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//* private variables
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//************************************************************************
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private static Sound instance;
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static {
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instance = new Sound();
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}
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// current offset from the start of the session
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private long offset = 0;
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// offset of the end of the last span
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private long lastOffset = 0;
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private long sessionStart = 0;
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// are we playing at the moment
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private boolean playing = false;
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// are we recording at the moment
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private boolean recording = false;
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private Player player = null;
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private ZZCell last = null;
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private ZZCell spanCell = null;
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private ZZCell sessionCell = null;
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// THESE SHOULD COME FROM STRUCTURE
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private SoundScroll soundScroll = null;
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// the session this stream belongs to
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private ZZCell session = null;
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// the input device associated with this stream.
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private ZZCell inDevice = null;
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// the input device associated with this stream.
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private ZZCell outDevice = null;
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private ZZCell offsetCell = null;
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public Sound(){
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//t.start();
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pa("CONSTRUCTOR!!!");
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}
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ZZCell scrollCell = null;
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private void init(ZZCell c){
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// TODO:
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// create a new window
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// with soundvie
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ZZDefaultSpace.addDimensionToDefaultDimlist(c, d);
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ZZDefaultSpace.addDimensionToDefaultDimlist(c, dspan);
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ZZDefaultSpace.addDimensionToDefaultDimlist(c, dsessions);
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ZZDefaultSpace.addDimensionToDefaultDimlist(c, "d.handle");
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//soundScroll = new SoundScroll(stream, file, 1000);
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//Scroll.register(stream, soundScroll);
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for(int i = 0; i < ops.length; i++){
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c = c.N("d.2", 1);
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c.setText(mod+"."+ops[i]);
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}
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addScroll(c);
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scrollCell = ZZDefaultSpace.findScrollCell(c.getHomeCell(), stream);
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soundScroll = (SoundScroll)Scroll.obtain( c.getSpace(),
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stream);
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if( spanCell != null )
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spanCell = scrollCell.N(dspan,1);
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p("SOUNDSCROLL = " + soundScroll);
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}
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private void addScroll(ZZCell c){
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if( c==null ) return;
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ZZCell home = c.getHomeCell();
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ZZCell d = home.findText("d.2", -1, "Scrolls");
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if( d == null ) {
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d = home.N("d.2",-1);
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d.setText("Scrolls");
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}
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ZZCell x = d.findText("d.1", 1, stream);
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if( x != null ) return ;
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d = d.N("d.1",1);
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d.setText(stream);
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d = d.N("d.2",1);
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d.setText(file);
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d = d.N("d.2",1);
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d.setText("Sound");
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d = d.N("d.2",1);
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d.setText("1000000");
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d = d.N("d.2",1);
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d.setText("offset");
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d = d.N("d.1",1);
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d.setText("0");
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offsetCell = d;
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}
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//************************************************************************
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//* public methods
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//************************************************************************
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/**
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*
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*/
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public void record(ZZCell session){
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if( playing || recording ) return;
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p("not recording or playing");
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// create a new scroll
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if( soundScroll == null )
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soundScroll = (SoundScroll)Scroll.obtain( session.getSpace(),
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stream);
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//file = soundScroll.getFile(file);
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p("SOUNDSCROLL: " + soundScroll);
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if( scrollCell == null ) {
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scrollCell = ZZDefaultSpace.findScrollCell(session.getHomeCell(),
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stream);
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}
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if( offsetCell == null) {
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pa("SCRCELL = " + scrollCell);
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offsetCell = scrollCell.findText("d.2", 1, "offset");
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offsetCell = offsetCell.s("d.1",1);
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}
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if( spanCell ==null ){
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spanCell = scrollCell.N(dspan,1);
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}
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if( sessionCell == null ){
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sessionCell = scrollCell.h(dsessions, 1);
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sessionCell = sessionCell.N(dsessions,1);
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}
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last = sessionCell;
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final long scOffset = Long.parseLong(offsetCell.getText());
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offset = scOffset;
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p("are we recording yet... " + recording);
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p("initializing");
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// XXX chech the offset
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recorder.init("/tmp/soundscroll", scOffset);
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p("initalized...");
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Thread t = new Thread() {
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public void run() {
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p("S REC Thread");
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recorder.start();
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offset = recorder.getCurrentOffset();
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p("offset = " + offset);
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offsetCell.setText(""+ offset);
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Span s = Span.create(
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Address.streamOffs(stream, 0),
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Address.streamOffs(stream, offset)
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);
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spanCell.setSpan(s);
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sessionCell.setSpan(s = Span.create(
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Address.streamOffs(stream, scOffset),
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Address.streamOffs(stream, offset)
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));
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last.setSpan(s);
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lastOffset = offset;
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}
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};
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t.start();
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last = last.N(d,1);
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recording = true;
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}
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public void play(){
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play(0);
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}
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public void play(long off){
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if( ! (playing || recording )) ; // start to play
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}
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public void play(ZZCell from ){
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p("play " + from);
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Span s = from.getSpan();
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if( s == null ) {
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pa("Not a span cell!!!");
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return;
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}
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if( soundScroll == null )
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soundScroll = (SoundScroll)s.getStart().getScroll(from.getSpace());
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// get these from factory???
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player = new SimplePlayer();
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File f = soundScroll.getFile();
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p("FILE = " + f);
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p("FILE = " + f.toString());
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player.init(f.toString());
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p("initialized...\n");
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final ZZCell fc = from;
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Thread t = new Thread() {
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public void run() {
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p("PlayerThread");
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player.play(fc.getSpan().getStart().getOffs(),
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fc.getSpan().getEnd().getOffs(), false);
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}
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};
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t.start();
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playing = true;
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}
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public void play(ZZCell from, Dimension d, int dir ){
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}
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/**
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* Create a new span cell from last cut to this cut and connect
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* new cell to the stream cells.
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*/
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public void cut(){
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offset = recorder.getCurrentOffset();
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p("offset = " + offset);
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Span s = Span.create(
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Address.streamOffs(stream, lastOffset),
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Address.streamOffs(stream, offset)
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);
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p("SPAN = " +s );
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p("span.getText(): " + s.getString(last));
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last.setSpan(s);
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lastOffset = offset;
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last = last.N(d,1);
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}
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public void tag(ZZCell t){
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p( "target: " + t);
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last.insert(dtag,1, t);
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}
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public void pause(){
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if( playing ){
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player.stop();
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playing = false;
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return ;
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}
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if( recording ){
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player.stop();
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recording = false;
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return ;
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}
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}
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public void stop() {
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if( playing ){
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player.stop();
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p("player stopped\n");
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playing = false;
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return ;
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}
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if( recording ){
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p("stopping recorder...");
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recorder.stop();
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recording = false;
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p("recorder stopped\n");
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return ;
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}
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}
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}
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