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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/**************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> track.cc - class track, which has a midi file track and its events</span>
<a name="l00004"></a>00004 <span class="comment"> This file is part of LibKMid 0.9.5</span>
<a name="l00005"></a>00005 <span class="comment"> Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez</span>
<a name="l00006"></a>00006 <span class="comment"> LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00010"></a>00010 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> </span>
<a name="l00013"></a>00013 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> Library General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> </span>
<a name="l00018"></a>00018 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00019"></a>00019 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00020"></a>00020 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00021"></a>00021 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment"> Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org></span>
<a name="l00024"></a>00024 <span class="comment"></span>
<a name="l00025"></a>00025 <span class="comment">***************************************************************************/</span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="preprocessor">#include "track.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include "sndcard.h"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include "midispec.h"</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "midfile.h"</span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="preprocessor">#ifndef TRUE</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define TRUE 1</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#ifndef FALSE</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define FALSE 0</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="preprocessor">#define T2MS(ticks) (((double)ticks)*(double)60000L)/((double)tempoToMetronomeTempo(tempo)*(double)tPCN)</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="preprocessor">#define MS2T(ms) (((ms)*(double)tempoToMetronomeTempo(tempo)*(double)tPCN)/((double)60000L))</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#define PEDANTIC_TRACK</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor">#define CHANGETEMPO_ONLY_IN_TRACK0</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="comment">//#define TRACKDEBUG</span>
<a name="l00047"></a>00047 <span class="comment">//#define TRACKDEBUG2</span>
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="classMidiTrack.html#a3677511da0dd4c08a0e3a70cda570773">00049</a> <a class="code" href="classMidiTrack.html#a3677511da0dd4c08a0e3a70cda570773" title="Constructor.">MidiTrack::MidiTrack</a>(FILE *file,<span class="keywordtype">int</span> tpcn,<span class="keywordtype">int</span> Id)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordtype">id</span>=Id;
<a name="l00052"></a>00052 tPCN=tpcn;
<a name="l00053"></a>00053 currentpos=0;
<a name="l00054"></a>00054 size=0;
<a name="l00055"></a>00055 data=0L;
<a name="l00056"></a>00056 tempo=1000000;
<a name="l00057"></a>00057 <span class="keywordflow">if</span> (feof(file))
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <a class="code" href="classMidiTrack.html#a01cd05333977c42eaf60bf53860e0078" title="Clears the internal variables.">clear</a>();
<a name="l00060"></a>00060 <span class="keywordflow">return</span>;
<a name="l00061"></a>00061 };
<a name="l00062"></a>00062 size=readLong(file);
<a name="l00063"></a>00063 <span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span> printf(<span class="stringliteral">"Track %d : Size %ld\n"</span>,<span class="keywordtype">id</span>,size);
<a name="l00065"></a>00065 <span class="preprocessor">#endif</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span> data=<span class="keyword">new</span> uchar[size];
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (data==NULL)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#ga568412bcbbf27834dc96403a0c0f26d8">perror</a>(<span class="stringliteral">"track: Not enough memory ?"</span>);
<a name="l00070"></a>00070 exit(-1);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 ulong rsize=0;
<a name="l00073"></a>00073 <span class="keywordflow">if</span> ((rsize=fread(data,1,size,file))!=size)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 fprintf(stderr,<span class="stringliteral">"track (%d): File is corrupt : Couldn't load track (%ld!=%ld) !!\n"</span>, <span class="keywordtype">id</span>, rsize, size);
<a name="l00076"></a>00076 size=rsize;
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078 <span class="comment">/*</span>
<a name="l00079"></a>00079 <span class="comment"> ptrdata=data;</span>
<a name="l00080"></a>00080 <span class="comment"> current_ticks=0;</span>
<a name="l00081"></a>00081 <span class="comment"> delta_ticks=readVariableLengthValue();</span>
<a name="l00082"></a>00082 <span class="comment"> wait_ticks=delta_ticks;</span>
<a name="l00083"></a>00083 <span class="comment"> endoftrack=0;</span>
<a name="l00084"></a>00084 <span class="comment"> */</span>
<a name="l00085"></a>00085 <a class="code" href="classMidiTrack.html#a1066b85a0a6835a7243ff07a6362a931" title="Initializes the iterator.">init</a>();
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a><a class="code" href="classMidiTrack.html#aaa9f15c2fe33ed0f44e0a78b2d1f0bf4">00088</a> <a class="code" href="classMidiTrack.html#aaa9f15c2fe33ed0f44e0a78b2d1f0bf4" title="Destructor.">MidiTrack::~MidiTrack</a>()
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="keyword">delete</span> data;
<a name="l00091"></a>00091 endoftrack=1;
<a name="l00092"></a>00092 currentpos=0;
<a name="l00093"></a>00093 size=0;
<a name="l00094"></a>00094 }
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keywordtype">int</span> MidiTrack::power2to(<span class="keywordtype">int</span> i)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordflow">return</span> 1<<i;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 ulong MidiTrack::readVariableLengthValue(<span class="keywordtype">void</span>)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 ulong dticks=0;
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordflow">while</span> ((*ptrdata) & 0x80)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span> <span class="keywordflow">if</span> (currentpos>=size)
<a name="l00109"></a>00109 {
<a name="l00110"></a>00110 endoftrack=1;
<a name="l00111"></a>00111 fprintf(stderr, <span class="stringliteral">"track (%d) : EndofTrack found by accident !\n"</span>,<span class="keywordtype">id</span>);
<a name="l00112"></a>00112 delta_ticks = wait_ticks = ~0;
<a name="l00113"></a>00113 time_at_next_event=10000 * 60000L;
<a name="l00114"></a>00114 <span class="keywordflow">return</span> 0;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="keywordflow">else</span>
<a name="l00117"></a>00117 <span class="preprocessor">#endif</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span> {
<a name="l00119"></a>00119 dticks=(dticks << 7) | (*ptrdata) & 0x7F;
<a name="l00120"></a>00120 ptrdata++;currentpos++;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 dticks=((dticks << 7) | (*ptrdata) & 0x7F);
<a name="l00125"></a>00125 ptrdata++;currentpos++;
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00128"></a>00128 <span class="preprocessor"></span>
<a name="l00129"></a>00129 <span class="keywordflow">if</span> (currentpos>=size)
<a name="l00130"></a>00130 {
<a name="l00131"></a>00131 endoftrack=1;
<a name="l00132"></a>00132 fprintf(stderr,<span class="stringliteral">"track (%d): EndofTrack found by accident 2 !\n"</span>,<span class="keywordtype">id</span>);
<a name="l00133"></a>00133 dticks=0;
<a name="l00134"></a>00134 delta_ticks = wait_ticks = ~0;
<a name="l00135"></a>00135 time_at_next_event=10000 * 60000L;
<a name="l00136"></a>00136 <span class="keywordflow">return</span> 0;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span><span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span> printfdebug(<span class="stringliteral">"track(%d): DTICKS : %ld\n"</span>,<span class="keywordtype">id</span>,dticks);
<a name="l00141"></a>00141 usleep(10);
<a name="l00142"></a>00142 <span class="preprocessor">#endif</span>
<a name="l00143"></a>00143 <span class="preprocessor"></span> <span class="keywordflow">return</span> dticks;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a><a class="code" href="classMidiTrack.html#ac35021f7a4b41cee4324e5cc9d23d052">00146</a> <span class="keywordtype">int</span> <a class="code" href="classMidiTrack.html#ac35021f7a4b41cee4324e5cc9d23d052" title="Makes the iterator advance the given number of ticks.">MidiTrack::ticksPassed</a> (ulong ticks)
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <span class="keywordflow">if</span> (endoftrack==1) <span class="keywordflow">return</span> 0;
<a name="l00149"></a>00149 <span class="keywordflow">if</span> (ticks>wait_ticks)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 printfdebug(<span class="stringliteral">"track (%d): ERROR : TICKS PASSED > WAIT TICKS\n"</span>, <span class="keywordtype">id</span>);
<a name="l00152"></a>00152 <span class="keywordflow">return</span> 1;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 wait_ticks-=ticks;
<a name="l00155"></a>00155 <span class="keywordflow">return</span> 0;
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a><a class="code" href="classMidiTrack.html#aec31e2a8a91224f95d9157f0ebbd2082">00158</a> <span class="keywordtype">int</span> <a class="code" href="classMidiTrack.html#aec31e2a8a91224f95d9157f0ebbd2082" title="Makes the iterator advance the given number of milliseconds.">MidiTrack::msPassed</a> (ulong ms)
<a name="l00159"></a>00159 {
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (endoftrack==1) <span class="keywordflow">return</span> 0;
<a name="l00161"></a>00161 current_time+=ms;
<a name="l00162"></a>00162 <span class="comment">//fprintf(stderr, "old + %ld = CURR %g ", ms,current_time);</span>
<a name="l00163"></a>00163 <span class="keywordflow">if</span> ( current_time>time_at_next_event )
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 fprintf(stderr, <span class="stringliteral">"track (%d): ERROR : MS PASSED > WAIT MS\n"</span>, <span class="keywordtype">id</span>);
<a name="l00166"></a>00166 <span class="keywordflow">return</span> 1;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 <span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00169"></a>00169 <span class="preprocessor"></span> <span class="keywordflow">if</span> (current_time==time_at_next_event) printfdebug(<span class="stringliteral">"track(%d): _OK_"</span>,<span class="keywordtype">id</span>);
<a name="l00170"></a>00170 <span class="preprocessor">#endif</span>
<a name="l00171"></a>00171 <span class="preprocessor"></span> <span class="keywordflow">return</span> 0;
<a name="l00172"></a>00172 }
<a name="l00173"></a>00173
<a name="l00174"></a><a class="code" href="classMidiTrack.html#a3853ed58cfeddeb48a3ec9c00875d984">00174</a> <span class="keywordtype">int</span> <a class="code" href="classMidiTrack.html#a3853ed58cfeddeb48a3ec9c00875d984" title="Returns the current millisecond which the iterator is at.">MidiTrack::currentMs</a>(<span class="keywordtype">double</span> ms)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 <span class="keywordflow">if</span> (endoftrack==1) <span class="keywordflow">return</span> 0;
<a name="l00177"></a>00177 current_time=ms;
<a name="l00178"></a>00178 <span class="comment">//printfdebug("CURR %g",current_time);</span>
<a name="l00179"></a>00179 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span> <span class="keywordflow">if</span> (current_time>time_at_next_event)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 fprintf(stderr,<span class="stringliteral">"track(%d): ERROR : MS PASSED > WAIT MS\n"</span>, <span class="keywordtype">id</span>);
<a name="l00183"></a>00183 exit(-1);
<a name="l00184"></a>00184 <span class="keywordflow">return</span> 1;
<a name="l00185"></a>00185 }
<a name="l00186"></a>00186 <span class="preprocessor">#endif</span>
<a name="l00187"></a>00187 <span class="preprocessor"></span> <span class="keywordflow">return</span> 0;
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a><a class="code" href="classMidiTrack.html#a0116697d2b63b1369b980dcbb12ce9b4">00190</a> <span class="keywordtype">void</span> <a class="code" href="classMidiTrack.html#a0116697d2b63b1369b980dcbb12ce9b4" title="Reads the event at the iterator position, and puts it on the structure pointed to by ev...">MidiTrack::readEvent</a>(<a class="code" href="structMidiEvent.html" title="An structure that represents a MIDI event.">MidiEvent</a> *ev)
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 <span class="keywordtype">int</span> i,j;
<a name="l00193"></a>00193 <span class="keywordflow">if</span> (endoftrack==1)
<a name="l00194"></a>00194 {
<a name="l00195"></a>00195 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=0;
<a name="l00196"></a>00196 <span class="keywordflow">return</span>;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 <span class="comment">/*</span>
<a name="l00199"></a>00199 <span class="comment"> printfdebug("...... %d\n",id);</span>
<a name="l00200"></a>00200 <span class="comment"> printfdebug("current : %g , tane : %g\n",current_time,time_at_next_event);</span>
<a name="l00201"></a>00201 <span class="comment"> printfdebug("......\n");</span>
<a name="l00202"></a>00202 <span class="comment"> */</span>
<a name="l00203"></a>00203 <span class="keywordtype">int</span> skip_event=0;
<a name="l00204"></a>00204 current_time=time_at_next_event;
<a name="l00205"></a>00205 <span class="keywordflow">if</span> (((*ptrdata)&0x80)!=0)
<a name="l00206"></a>00206 {
<a name="l00207"></a>00207 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=(*ptrdata);
<a name="l00208"></a>00208 ptrdata++;currentpos++;
<a name="l00209"></a>00209 lastcommand=ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211 <span class="keywordflow">else</span>
<a name="l00212"></a>00212 {
<a name="l00213"></a>00213 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=lastcommand;
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00217"></a>00217 <span class="preprocessor"></span> <span class="keywordflow">if</span> (currentpos>=size)
<a name="l00218"></a>00218 {
<a name="l00219"></a>00219 endoftrack=1;
<a name="l00220"></a>00220 delta_ticks = wait_ticks = ~0;
<a name="l00221"></a>00221 time_at_next_event=10000 * 60000L;
<a name="l00222"></a>00222 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00223"></a>00223 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00224"></a>00224 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00225"></a>00225 fprintf(stderr, <span class="stringliteral">"track (%d): EndofTrack found by accident 3\n"</span>,<span class="keywordtype">id</span>);
<a name="l00226"></a>00226 <span class="keywordflow">return</span>;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 <span class="preprocessor">#endif</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>
<a name="l00230"></a>00230 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a> & 0xF;
<a name="l00231"></a>00231 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a> & 0xF0;
<a name="l00232"></a>00232 <span class="keywordflow">switch</span> (ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>)
<a name="l00233"></a>00233 {
<a name="l00234"></a>00234 <span class="keywordflow">case</span> (MIDI_NOTEON) :
<a name="l00235"></a>00235 ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00236"></a>00236 ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a>==0)
<a name="l00238"></a>00238 note[ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>][ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a>]=FALSE;
<a name="l00239"></a>00239 <span class="keywordflow">else</span>
<a name="l00240"></a>00240 note[ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>][ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a>]=TRUE;
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00243"></a>00243 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) {
<a name="l00244"></a>00244 <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a>==0) printfdebug(<span class="stringliteral">"Note Onf\n"</span>);
<a name="l00245"></a>00245 <span class="keywordflow">else</span> printfdebug(<span class="stringliteral">"Note On\n"</span>);
<a name="l00246"></a>00246 };
<a name="l00247"></a>00247 <span class="preprocessor">#endif</span>
<a name="l00248"></a>00248 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
<a name="l00249"></a>00249 <span class="keywordflow">case</span> (MIDI_NOTEOFF) :
<a name="l00250"></a>00250 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00251"></a>00251 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug(<span class="stringliteral">"Note Off\n"</span>);
<a name="l00252"></a>00252 <span class="preprocessor">#endif</span>
<a name="l00253"></a>00253 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00254"></a>00254 ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00255"></a>00255 note[ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>][ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a>]=FALSE;
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">break</span>;
<a name="l00258"></a>00258 <span class="keywordflow">case</span> (MIDI_KEY_PRESSURE) :
<a name="l00259"></a>00259 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00260"></a>00260 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (<span class="stringliteral">"Key press\n"</span>);
<a name="l00261"></a>00261 <span class="preprocessor">#endif</span>
<a name="l00262"></a>00262 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00263"></a>00263 ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00264"></a>00264 <span class="keywordflow">break</span>;
<a name="l00265"></a>00265 <span class="keywordflow">case</span> (MIDI_PGM_CHANGE) :
<a name="l00266"></a>00266 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00267"></a>00267 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (<span class="stringliteral">"Pgm\n"</span>);
<a name="l00268"></a>00268 <span class="preprocessor">#endif</span>
<a name="l00269"></a>00269 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#aacb68e9fb8dbef8f788fc4be25c426ee" title="Patch (if command was a change patch command)">patch</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00270"></a>00270 <span class="keywordflow">break</span>;
<a name="l00271"></a>00271 <span class="keywordflow">case</span> (MIDI_CHN_PRESSURE) :
<a name="l00272"></a>00272 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00273"></a>00273 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (<span class="stringliteral">"Chn press\n"</span>);
<a name="l00274"></a>00274 <span class="preprocessor">#endif</span>
<a name="l00275"></a>00275 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00276"></a>00276 <span class="keywordflow">break</span>;
<a name="l00277"></a>00277 <span class="keywordflow">case</span> (MIDI_PITCH_BEND) :
<a name="l00278"></a>00278 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00279"></a>00279 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (<span class="stringliteral">"Pitch\n"</span>);
<a name="l00280"></a>00280 <span class="preprocessor">#endif</span>
<a name="l00281"></a>00281 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00282"></a>00282 ev-><a class="code" href="structMidiEvent.html#a96954680a5ce3d5fc974a0b1f97109da" title="Data 2.">d2</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00283"></a>00283 <span class="keywordflow">break</span>;
<a name="l00284"></a>00284 <span class="keywordflow">case</span> (MIDI_CTL_CHANGE) :
<a name="l00285"></a>00285 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00286"></a>00286 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (stderr, <span class="stringliteral">"Ctl\n"</span>);
<a name="l00287"></a>00287 <span class="preprocessor">#endif</span>
<a name="l00288"></a>00288 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#a44e56b60ddbf21510abaf4ebc8156bf8" title="Patch (if command was a controller command)">ctl</a> = *ptrdata;ptrdata++; currentpos++;
<a name="l00289"></a>00289 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a> = *ptrdata;ptrdata++;currentpos++;
<a name="l00290"></a>00290 <span class="comment">/*</span>
<a name="l00291"></a>00291 <span class="comment"> switch (ev->ctl)</span>
<a name="l00292"></a>00292 <span class="comment"> {</span>
<a name="l00293"></a>00293 <span class="comment"> case (96) : printfdebug("RPN Increment\n");break;</span>
<a name="l00294"></a>00294 <span class="comment"> case (97) : printfdebug("RPN Decrement\n");break;</span>
<a name="l00295"></a>00295 <span class="comment"> case (98) : printfdebug("nRPN 98 %d\n",ev->d1);break;</span>
<a name="l00296"></a>00296 <span class="comment"> case (99) : printfdebug("nRPN 99 %d\n",ev->d1);break;</span>
<a name="l00297"></a>00297 <span class="comment"> case (100) : printfdebug("RPN 100 %d\n",ev->d1);break;</span>
<a name="l00298"></a>00298 <span class="comment"> case (101) : printfdebug("RPN 101 %d\n",ev->d1);break;</span>
<a name="l00299"></a>00299 <span class="comment"> };</span>
<a name="l00300"></a>00300 <span class="comment"> */</span>
<a name="l00301"></a>00301 <span class="keywordflow">break</span>;
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="keywordflow">case</span> (MIDI_SYSTEM_PREFIX) :
<a name="l00304"></a>00304 <span class="preprocessor">#ifdef TRACKDEBUG2</span>
<a name="l00305"></a>00305 <span class="preprocessor"></span> <span class="keywordflow">if</span> (ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>==6) printfdebug (<span class="stringliteral">"Sys Prefix\n"</span>);
<a name="l00306"></a>00306 <span class="preprocessor">#endif</span>
<a name="l00307"></a>00307 <span class="preprocessor"></span> <span class="keywordflow">switch</span> ((ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>|ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>))
<a name="l00308"></a>00308 {
<a name="l00309"></a>00309 <span class="keywordflow">case</span> (0xF0) :
<a name="l00310"></a>00310 <span class="keywordflow">case</span> (0xF7) :
<a name="l00311"></a>00311 ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>=readVariableLengthValue();
<a name="l00312"></a>00312 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00313"></a>00313 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack)
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00316"></a>00316 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00317"></a>00317 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319 <span class="keywordflow">else</span>
<a name="l00320"></a>00320 <span class="preprocessor">#endif</span>
<a name="l00321"></a>00321 <span class="preprocessor"></span> {
<a name="l00322"></a>00322 ev-><a class="code" href="structMidiEvent.html#ad3534e436eb4129a153d0f6b1859b933" title="The data for commands like text, sysex, etc.">data</a>=ptrdata;
<a name="l00323"></a>00323 ptrdata+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;currentpos+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 <span class="keywordflow">break</span>;
<a name="l00326"></a>00326 <span class="keywordflow">case</span> (0xFE):
<a name="l00327"></a>00327 <span class="keywordflow">case</span> (0xF8):
<a name="l00328"></a>00328 <span class="comment">// printfdebug("Active sensing\n");</span>
<a name="l00329"></a>00329 <span class="keywordflow">break</span>;
<a name="l00330"></a>00330 <span class="keywordflow">case</span> (META_EVENT) :
<a name="l00331"></a>00331 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=*ptrdata;ptrdata++;currentpos++;
<a name="l00332"></a>00332 <span class="keywordflow">switch</span> (ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 <span class="keywordflow">case</span> (ME_END_OF_TRACK) :
<a name="l00335"></a>00335 i=0;
<a name="l00336"></a>00336 j=0;
<a name="l00337"></a>00337 <span class="keywordflow">while</span> ((note[i][j]==FALSE)&&(i<16))
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 j++;
<a name="l00340"></a>00340 <span class="keywordflow">if</span> (j==128) { j=0; i++; };
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342 <span class="keywordflow">if</span> (i<16) <span class="comment">// that is, if there is any key still pressed</span>
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 ptrdata--;currentpos--;
<a name="l00345"></a>00345 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=i;
<a name="l00346"></a>00346 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_NOTEOFF;
<a name="l00347"></a>00347 ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a> = j;
<a name="l00348"></a>00348 ev-><a class="code" href="structMidiEvent.html#ababcd82f5b29a5acfecc82704066af9a" title="Velocity.">vel</a> = 0;
<a name="l00349"></a>00349 note[ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>][ev-><a class="code" href="structMidiEvent.html#a82a0ff0d4ff1972cf946bc959b0d15c1" title="Note.">note</a>]=FALSE;
<a name="l00350"></a>00350 fprintf(stderr,<span class="stringliteral">"Note Off(simulated)\n"</span>);
<a name="l00351"></a>00351 <span class="keywordflow">return</span>;
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353 <span class="keywordflow">else</span>
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 endoftrack=1;
<a name="l00356"></a>00356 delta_ticks = wait_ticks = ~0;
<a name="l00357"></a>00357 time_at_next_event=10000 * 60000L;
<a name="l00358"></a>00358 <span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00359"></a>00359 <span class="preprocessor"></span> printfdebug(<span class="stringliteral">"EndofTrack %d event\n"</span>,<span class="keywordtype">id</span>);
<a name="l00360"></a>00360 <span class="preprocessor">#endif</span>
<a name="l00361"></a>00361 <span class="preprocessor"></span> }
<a name="l00362"></a>00362 <span class="keywordflow">break</span>;
<a name="l00363"></a>00363 <span class="keywordflow">case</span> (ME_SET_TEMPO):
<a name="l00364"></a>00364 ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>=readVariableLengthValue();
<a name="l00365"></a>00365 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00366"></a>00366 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack)
<a name="l00367"></a>00367 {
<a name="l00368"></a>00368 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00369"></a>00369 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00370"></a>00370 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372 <span class="keywordflow">else</span>
<a name="l00373"></a>00373 <span class="preprocessor">#endif</span>
<a name="l00374"></a>00374 <span class="preprocessor"></span> {
<a name="l00375"></a>00375 ev-><a class="code" href="structMidiEvent.html#ad3534e436eb4129a153d0f6b1859b933" title="The data for commands like text, sysex, etc.">data</a>=ptrdata;
<a name="l00376"></a>00376 ptrdata+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;currentpos+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;
<a name="l00377"></a>00377 <span class="comment">// tempo=((ev->data[0]<<16)|(ev->data[1]<<8)|(ev->data[2]));</span>
<a name="l00378"></a>00378 <span class="comment">// ticks_from_previous_tempochange=0;</span>
<a name="l00379"></a>00379 <span class="comment">// time_at_previous_tempochange=current_time;</span>
<a name="l00380"></a>00380 <span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00381"></a>00381 <span class="preprocessor"></span> printfdebug(<span class="stringliteral">"Track %d : Set Tempo : %ld\n"</span>,<span class="keywordtype">id</span>,tempo);
<a name="l00382"></a>00382 <span class="preprocessor">#endif</span>
<a name="l00383"></a>00383 <span class="preprocessor"></span><span class="preprocessor">#ifdef CHANGETEMPO_ONLY_IN_TRACK0</span>
<a name="l00384"></a>00384 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span>!=0) skip_event=1;
<a name="l00385"></a>00385 <span class="preprocessor">#endif</span>
<a name="l00386"></a>00386 <span class="preprocessor"></span> }
<a name="l00387"></a>00387 <span class="keywordflow">break</span>;
<a name="l00388"></a>00388 <span class="keywordflow">case</span> (ME_TIME_SIGNATURE) :
<a name="l00389"></a>00389 ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>=*ptrdata;ptrdata++;currentpos++;
<a name="l00390"></a>00390 ev-><a class="code" href="structMidiEvent.html#a96954680a5ce3d5fc974a0b1f97109da" title="Data 2.">d2</a>=*ptrdata;ptrdata++;currentpos++;
<a name="l00391"></a>00391 ev-><a class="code" href="structMidiEvent.html#a8433e0277480964f084c2e380f417ac7" title="Data 3.">d3</a>=power2to(*ptrdata);ptrdata++;currentpos++;
<a name="l00392"></a>00392 ev-><a class="code" href="structMidiEvent.html#acea39e7848061bc5ab5946038a0f87d6" title="Data 4.">d4</a>=*ptrdata;ptrdata++;currentpos++;
<a name="l00393"></a>00393 ev-><a class="code" href="structMidiEvent.html#a2af47108ac68f15d6405b087e0dcd802" title="Data 5.">d5</a>=*ptrdata;ptrdata++;currentpos++;
<a name="l00394"></a>00394 <span class="preprocessor">#ifdef TRACKDEBUG</span>
<a name="l00395"></a>00395 <span class="preprocessor"></span> printfdebug(<span class="stringliteral">"TIME SIGNATURE :\n"</span>);
<a name="l00396"></a>00396 printfdebug(<span class="stringliteral">"%d\n"</span>,ev-><a class="code" href="structMidiEvent.html#a96954680a5ce3d5fc974a0b1f97109da" title="Data 2.">d2</a>);
<a name="l00397"></a>00397 printfdebug(<span class="stringliteral">"---- %d metronome , %d number of 32nd notes per quarter note\n"</span>,ev-><a class="code" href="structMidiEvent.html#acea39e7848061bc5ab5946038a0f87d6" title="Data 4.">d4</a>,ev-><a class="code" href="structMidiEvent.html#a2af47108ac68f15d6405b087e0dcd802" title="Data 5.">d5</a>);
<a name="l00398"></a>00398 printfdebug(<span class="stringliteral">"%d\n"</span>,ev-><a class="code" href="structMidiEvent.html#a8433e0277480964f084c2e380f417ac7" title="Data 3.">d3</a>);
<a name="l00399"></a>00399 <span class="preprocessor">#endif</span>
<a name="l00400"></a>00400 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
<a name="l00401"></a>00401 <span class="keywordflow">case</span> (ME_TRACK_SEQ_NUMBER) :
<a name="l00402"></a>00402 <span class="keywordflow">case</span> (ME_TEXT) :
<a name="l00403"></a>00403 <span class="keywordflow">case</span> (ME_COPYRIGHT) :
<a name="l00404"></a>00404 <span class="keywordflow">case</span> (ME_SEQ_OR_TRACK_NAME) :
<a name="l00405"></a>00405 <span class="keywordflow">case</span> (ME_TRACK_INSTR_NAME) :
<a name="l00406"></a>00406 <span class="keywordflow">case</span> (ME_LYRIC) :
<a name="l00407"></a>00407 <span class="keywordflow">case</span> (ME_MARKER) :
<a name="l00408"></a>00408 <span class="keywordflow">case</span> (ME_CUE_POINT) :
<a name="l00409"></a>00409 <span class="keywordflow">case</span> (ME_CHANNEL_PREFIX) :
<a name="l00410"></a>00410 <span class="keywordflow">case</span> (ME_MIDI_PORT) :
<a name="l00411"></a>00411 <span class="keywordflow">case</span> (ME_SMPTE_OFFSET) :
<a name="l00412"></a>00412 <span class="keywordflow">case</span> (ME_KEY_SIGNATURE) :
<a name="l00413"></a>00413 ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>=readVariableLengthValue();
<a name="l00414"></a>00414 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00415"></a>00415 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack)
<a name="l00416"></a>00416 {
<a name="l00417"></a>00417 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00418"></a>00418 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00419"></a>00419 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421 <span class="keywordflow">else</span>
<a name="l00422"></a>00422 <span class="preprocessor">#endif</span>
<a name="l00423"></a>00423 <span class="preprocessor"></span> {
<a name="l00424"></a>00424 ev-><a class="code" href="structMidiEvent.html#ad3534e436eb4129a153d0f6b1859b933" title="The data for commands like text, sysex, etc.">data</a>=ptrdata;
<a name="l00425"></a>00425 ptrdata+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;currentpos+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427 <span class="keywordflow">break</span>;
<a name="l00428"></a>00428 <span class="keywordflow">default</span>:
<a name="l00429"></a>00429 <span class="preprocessor">#ifdef GENERAL_DEBUG_MESSAGES</span>
<a name="l00430"></a>00430 <span class="preprocessor"></span> fprintf(stderr,<span class="stringliteral">"track (%d) : Default handler for meta event "</span> \
<a name="l00431"></a>00431 <span class="stringliteral">"0x%x\n"</span>, <span class="keywordtype">id</span>, ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>);
<a name="l00432"></a>00432 <span class="preprocessor">#endif</span>
<a name="l00433"></a>00433 <span class="preprocessor"></span> ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>=readVariableLengthValue();
<a name="l00434"></a>00434 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00435"></a>00435 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack)
<a name="l00436"></a>00436 {
<a name="l00437"></a>00437 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00438"></a>00438 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00439"></a>00439 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00440"></a>00440 }
<a name="l00441"></a>00441 <span class="keywordflow">else</span>
<a name="l00442"></a>00442 <span class="preprocessor">#endif</span>
<a name="l00443"></a>00443 <span class="preprocessor"></span> {
<a name="l00444"></a>00444 ev-><a class="code" href="structMidiEvent.html#ad3534e436eb4129a153d0f6b1859b933" title="The data for commands like text, sysex, etc.">data</a>=ptrdata;
<a name="l00445"></a>00445 ptrdata+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;currentpos+=ev-><a class="code" href="structMidiEvent.html#a2256886f9780c9fe3bcb60e368b8c3ec" title="Length of the generic data variable.">length</a>;
<a name="l00446"></a>00446 }
<a name="l00447"></a>00447 <span class="keywordflow">break</span>;
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449 <span class="keywordflow">break</span>;
<a name="l00450"></a>00450 <span class="keywordflow">default</span> :
<a name="l00451"></a>00451 fprintf(stderr,<span class="stringliteral">"track (%d): Default handler for system event 0x%x\n"</span>,
<a name="l00452"></a>00452 <span class="keywordtype">id</span>, (ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>|ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>));
<a name="l00453"></a>00453 <span class="keywordflow">break</span>;
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455 <span class="keywordflow">break</span>;
<a name="l00456"></a>00456 <span class="keywordflow">default</span> :
<a name="l00457"></a>00457 fprintf(stderr,<span class="stringliteral">"track (%d): Default handler for event 0x%x\n"</span>,
<a name="l00458"></a>00458 <span class="keywordtype">id</span>, (ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>|ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>));
<a name="l00459"></a>00459 <span class="keywordflow">break</span>;
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00462"></a>00462 <span class="preprocessor"></span> <span class="keywordflow">if</span> (currentpos>=size)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 endoftrack=1;
<a name="l00465"></a>00465 delta_ticks = wait_ticks = ~0;
<a name="l00466"></a>00466 time_at_next_event=10000 * 60000L;
<a name="l00467"></a>00467 printfdebug(<span class="stringliteral">"track (%d): EndofTrack reached\n"</span>,<span class="keywordtype">id</span>);
<a name="l00468"></a>00468 }
<a name="l00469"></a>00469 <span class="preprocessor">#endif</span>
<a name="l00470"></a>00470 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack==0)
<a name="l00471"></a>00471 {
<a name="l00472"></a>00472 current_ticks+=delta_ticks;
<a name="l00473"></a>00473 delta_ticks=readVariableLengthValue();
<a name="l00474"></a>00474 <span class="preprocessor">#ifdef PEDANTIC_TRACK</span>
<a name="l00475"></a>00475 <span class="preprocessor"></span> <span class="keywordflow">if</span> (endoftrack)
<a name="l00476"></a>00476 {
<a name="l00477"></a>00477 ev-><a class="code" href="structMidiEvent.html#a3560e3a72ebad44fb1e66497806cbff1" title="MIDI Command.">command</a>=MIDI_SYSTEM_PREFIX;
<a name="l00478"></a>00478 ev-><a class="code" href="structMidiEvent.html#a518e7efd3286ad81f7edbb6e1b908d9d" title="Channel.">chn</a>=0xF;
<a name="l00479"></a>00479 ev-><a class="code" href="structMidiEvent.html#ab99f7ad7a7f2cc82e2e803dff701ef09" title="Data 1.">d1</a>=ME_END_OF_TRACK;
<a name="l00480"></a>00480 <span class="keywordflow">return</span>;
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482 <span class="preprocessor">#endif</span>
<a name="l00483"></a>00483 <span class="preprocessor"></span> ticks_from_previous_tempochange+=delta_ticks;
<a name="l00484"></a>00484
<a name="l00485"></a>00485 time_at_next_event=T2MS(ticks_from_previous_tempochange)+time_at_previous_tempochange;
<a name="l00486"></a>00486 <span class="comment">/*</span>
<a name="l00487"></a>00487 <span class="comment"> printf("tane2 : %g, ticks : %g, delta_ticks %ld, tempo : %ld\n",</span>
<a name="l00488"></a>00488 <span class="comment"> time_at_next_event,ticks_from_previous_tempochange,delta_ticks,tempo);</span>
<a name="l00489"></a>00489 <span class="comment"> printf("timeatprevtc %g , curr %g\n",time_at_previous_tempochange,current_time);</span>
<a name="l00490"></a>00490 <span class="comment"> */</span>
<a name="l00491"></a>00491 wait_ticks=delta_ticks;
<a name="l00492"></a>00492
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494 <span class="keywordflow">if</span> (skip_event) <a class="code" href="classMidiTrack.html#a0116697d2b63b1369b980dcbb12ce9b4" title="Reads the event at the iterator position, and puts it on the structure pointed to by ev...">readEvent</a>(ev);
<a name="l00495"></a>00495 }
<a name="l00496"></a>00496
<a name="l00497"></a>00497
<a name="l00498"></a><a class="code" href="classMidiTrack.html#a01cd05333977c42eaf60bf53860e0078">00498</a> <span class="keywordtype">void</span> <a class="code" href="classMidiTrack.html#a01cd05333977c42eaf60bf53860e0078" title="Clears the internal variables.">MidiTrack::clear</a>(<span class="keywordtype">void</span>)
<a name="l00499"></a>00499 {
<a name="l00500"></a>00500 endoftrack=1;
<a name="l00501"></a>00501 ptrdata=data;
<a name="l00502"></a>00502 current_ticks=0;
<a name="l00503"></a>00503 currentpos=0;
<a name="l00504"></a>00504
<a name="l00505"></a>00505 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0;i<16;i++)
<a name="l00506"></a>00506 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=0;j<128;j++)
<a name="l00507"></a>00507 note[i][j]=FALSE;
<a name="l00508"></a>00508
<a name="l00509"></a>00509 delta_ticks = wait_ticks = ~0;
<a name="l00510"></a>00510 time_at_previous_tempochange=0;
<a name="l00511"></a>00511 current_time=0;
<a name="l00512"></a>00512 ticks_from_previous_tempochange=0;
<a name="l00513"></a>00513 tempo=1000000;
<a name="l00514"></a>00514 time_at_next_event=10000 * 60000L;
<a name="l00515"></a>00515
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517
<a name="l00518"></a>00518
<a name="l00519"></a><a class="code" href="classMidiTrack.html#a1066b85a0a6835a7243ff07a6362a931">00519</a> <span class="keywordtype">void</span> <a class="code" href="classMidiTrack.html#a1066b85a0a6835a7243ff07a6362a931" title="Initializes the iterator.">MidiTrack::init</a>(<span class="keywordtype">void</span>)
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 <span class="keywordflow">if</span> (data==0L) { <a class="code" href="classMidiTrack.html#a01cd05333977c42eaf60bf53860e0078" title="Clears the internal variables.">clear</a>(); <span class="keywordflow">return</span>; };
<a name="l00522"></a>00522 endoftrack=0;
<a name="l00523"></a>00523 ptrdata=data;
<a name="l00524"></a>00524 current_ticks=0;
<a name="l00525"></a>00525 currentpos=0;
<a name="l00526"></a>00526
<a name="l00527"></a>00527 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0;i<16;i++)
<a name="l00528"></a>00528 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=0;j<128;j++)
<a name="l00529"></a>00529 note[i][j]=FALSE;
<a name="l00530"></a>00530
<a name="l00531"></a>00531 delta_ticks=readVariableLengthValue();
<a name="l00532"></a>00532 <span class="keywordflow">if</span> (endoftrack) <span class="keywordflow">return</span>;
<a name="l00533"></a>00533 wait_ticks=delta_ticks;
<a name="l00534"></a>00534
<a name="l00535"></a>00535
<a name="l00536"></a>00536 time_at_previous_tempochange=0;
<a name="l00537"></a>00537 current_time=0;
<a name="l00538"></a>00538 ticks_from_previous_tempochange=wait_ticks;
<a name="l00539"></a>00539 tempo=1000000;
<a name="l00540"></a>00540 time_at_next_event=T2MS(delta_ticks);
<a name="l00541"></a>00541 <span class="comment">//printf("tane1 : %g\n",time_at_next_event);</span>
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543
<a name="l00544"></a><a class="code" href="classMidiTrack.html#ae299d7d5d937e69dda16c36f9ff9498a">00544</a> <span class="keywordtype">void</span> <a class="code" href="classMidiTrack.html#ae299d7d5d937e69dda16c36f9ff9498a" title="Change the tempo of the song.">MidiTrack::changeTempo</a>(ulong t)
<a name="l00545"></a>00545 {
<a name="l00546"></a>00546 <span class="keywordflow">if</span> (endoftrack==1) <span class="keywordflow">return</span>;
<a name="l00547"></a>00547 <span class="keywordflow">if</span> (tempo==t) <span class="keywordflow">return</span>;
<a name="l00548"></a>00548 <span class="keywordtype">double</span> ticks;
<a name="l00549"></a>00549 time_at_previous_tempochange=current_time;
<a name="l00550"></a>00550 ticks=MS2T(time_at_next_event-current_time);
<a name="l00551"></a>00551 tempo=t;
<a name="l00552"></a>00552 time_at_next_event=T2MS(ticks)+current_time;
<a name="l00553"></a>00553 ticks_from_previous_tempochange=ticks;
<a name="l00554"></a>00554
<a name="l00555"></a>00555 }
<a name="l00556"></a>00556
<a name="l00557"></a>00557 <span class="comment">/*</span>
<a name="l00558"></a>00558 <span class="comment">double MidiTrack::absMsOfNextEvent (void) </span>
<a name="l00559"></a>00559 <span class="comment">{</span>
<a name="l00560"></a>00560 <span class="comment"> //printf("%d : %g\n",id,time_at_next_event);</span>
<a name="l00561"></a>00561 <span class="comment"> return time_at_next_event;</span>
<a name="l00562"></a>00562 <span class="comment">}</span>
<a name="l00563"></a>00563 <span class="comment">*/</span>
<a name="l00564"></a>00564
<a name="l00565"></a>00565 <span class="preprocessor">#undef T2MS</span>
<a name="l00566"></a>00566 <span class="preprocessor"></span><span class="preprocessor">#undef MS2T</span>
</pre></div></div>
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<a href="mailto:aaaatrap-425acc3b5374943f@kde.org">Block me</a>
WARNING END
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