From e40fc849149dd97c248866a4a1d026dda5e57b62 Mon Sep 17 00:00:00 2001
From: Robert Jonsson <spamatica@gmail.com>
Date: Mon, 7 Mar 2011 19:01:11 +0000
Subject: clean3

---
 .../synti/zynaddsubfx/Seq/Sequencer.C              | 165 +++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 attic/muse_qt4_evolution/synti/zynaddsubfx/Seq/Sequencer.C

(limited to 'attic/muse_qt4_evolution/synti/zynaddsubfx/Seq/Sequencer.C')

diff --git a/attic/muse_qt4_evolution/synti/zynaddsubfx/Seq/Sequencer.C b/attic/muse_qt4_evolution/synti/zynaddsubfx/Seq/Sequencer.C
new file mode 100644
index 00000000..d81ee611
--- /dev/null
+++ b/attic/muse_qt4_evolution/synti/zynaddsubfx/Seq/Sequencer.C
@@ -0,0 +1,165 @@
+/*
+  ZynAddSubFX - a software synthesizer
+ 
+  Sequencer.C - The Sequencer
+  Copyright (C) 2003-2005 Nasca Octavian Paul
+  Author: Nasca Octavian Paul
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of version 2 of the GNU General Public License 
+  as published by the Free Software Foundation.
+
+  This program 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 (version 2) for more details.
+
+  You should have received a copy of the GNU General Public License (version 2)
+  along with this program; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+
+*/
+
+#include <math.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <sys/time.h>
+#include <time.h>
+
+#include "Sequencer.h"
+
+
+
+Sequencer::Sequencer(){
+    play=0;
+    for (int i=0;i<NUM_MIDI_TRACKS;i++){
+	miditrack[i].track.first=NULL;
+	miditrack[i].track.current=NULL;
+	miditrack[i].track.size=0;
+	miditrack[i].track.length=0.0;
+	miditrack[i].record.first=NULL;
+	miditrack[i].record.current=NULL;
+	miditrack[i].record.size=0;
+	miditrack[i].record.length=0.0;
+
+	nextevent[i].time=0.0;
+	resettime(&playtime[i]);
+    };
+    
+    setplayspeed(0);
+};
+
+Sequencer::~Sequencer(){
+    for (int i=0;i<NUM_MIDI_TRACKS;i++){
+	deletelist(&miditrack[i].track);
+	deletelist(&miditrack[i].record);
+    };
+};
+
+
+int Sequencer::importmidifile(char *filename){
+    if (midifile.loadfile(filename)<0) return(-1);
+
+    for (int i=0;i<NUM_MIDI_TRACKS;i++){
+	deletelist(&miditrack[i].record);
+    };
+    if (midifile.parsemidifile(this)<0) return(-1);
+    
+    //copy the "record" track to the main track
+    for (int i=0;i<NUM_MIDI_TRACKS;i++){
+	deletelist(&miditrack[i].track);
+	miditrack[i].track=miditrack[i].record;
+	deletelistreference(&miditrack[i].record);
+    };
+    return(0);
+};
+
+
+
+void Sequencer::startplay(){
+    if (play!=0) return;
+    for (int i=0;i<NUM_MIDI_TRACKS;i++) resettime(&playtime[i]);
+    
+    for (int i=0;i<NUM_MIDI_TRACKS;i++){
+	rewindlist(&miditrack[i].track);
+    };
+    play=1;
+    
+};
+void Sequencer::stopplay(){
+    if (play==0) return;
+    play=0;
+};
+
+// ************ Player stuff ***************
+
+int Sequencer::getevent(char ntrack,int *midich, int *type,int *par1, int *par2){
+    *type=0;
+    if (play==0) return(-1);
+
+    //test
+//    if (ntrack!=0) return(-1);
+
+    updatecounter(&playtime[(int)ntrack]);
+
+//    printf("%g %g\n",nextevent[ntrack].time,playtime[ntrack].abs);
+
+    if (nextevent[(int)ntrack].time<playtime[(int)ntrack].abs) readevent(&miditrack[(int)ntrack].track,&nextevent[(int)ntrack].ev);
+	else return(-1);
+    if (nextevent[(int)ntrack].ev.type==-1) return(-1);
+//    printf("********************************\n");    
+
+    //sa pun aici o protectie. a.i. daca distanta dintre timpul curent si eveliment e prea mare (>1sec) sa elimin nota
+
+    if (ntrack==1) printf("_ %f %.2f  (%d)\n",nextevent[(int)ntrack].time,playtime[(int)ntrack].abs,nextevent[(int)ntrack].ev.par2);
+
+    *type=nextevent[(int)ntrack].ev.type;
+    *par1=nextevent[(int)ntrack].ev.par1;
+    *par2=nextevent[(int)ntrack].ev.par2;
+    *midich=nextevent[(int)ntrack].ev.channel;
+
+    
+    double dt=nextevent[(int)ntrack].ev.deltatime*0.0001*realplayspeed;
+    printf("zzzzzzzzzzzzzz[%d] %d\n",ntrack,nextevent[(int)ntrack].ev.deltatime);
+    nextevent[(int)ntrack].time+=dt;
+
+//    printf("%f   -  %d %d \n",nextevent[ntrack].time,par1,par2);
+    return(0);//?? sau 1
+};
+
+/************** Timer stuff ***************/
+
+void Sequencer::resettime(timestruct *t){
+    t->abs=0.0;
+    t->rel=0.0;
+    
+    timeval tval;
+    
+    t->last=0.0;
+    #ifndef OS_WINDOWS
+    if (gettimeofday(&tval,NULL)==0)  
+	t->last=tval.tv_sec+tval.tv_usec*0.000001;
+    #endif
+    
+};
+
+void Sequencer::updatecounter(timestruct *t){
+    timeval tval;
+    double current=0.0;
+    #ifndef OS_WINDOWS
+    if (gettimeofday(&tval,NULL)==0)  
+	current=tval.tv_sec+tval.tv_usec*0.000001;
+    #endif
+    
+    t->rel=current - t->last;
+    t->abs+=t->rel;
+    t->last=current;
+    
+//    printf("%f %f %f\n",t->last,t->abs,t->rel);
+};
+
+void Sequencer::setplayspeed(int speed){
+    playspeed=speed;
+    realplayspeed=pow(10.0,speed/128.0);
+};
-- 
cgit v1.2.3