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<div class="title">midistat.cc</div> </div>
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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"> midistat.cc - class MidiStatus, change it internally and then send it. </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 <span class="preprocessor">#include "midistat.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "deviceman.h"</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include "sndcard.h"</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#endif</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span>
<a name="l00034"></a>00034 <span class="keyword">extern</span> <span class="keywordtype">int</span> MT32toGM[128];
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="classMidiStatus.html#adc3efd012f27a118d9be107de7f38282">00036</a> <a class="code" href="classMidiStatus.html#adc3efd012f27a118d9be107de7f38282" title="Constructor.">MidiStatus::MidiStatus</a>()
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordtype">int</span> i;
<a name="l00039"></a>00039 tempo=1000000;
<a name="l00040"></a>00040 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> chn=0;chn<16;chn++)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 chn_patch[chn]=0;
<a name="l00043"></a>00043 chn_bender[chn]=0x4000;
<a name="l00044"></a>00044 chn_pressure[chn]=127;
<a name="l00045"></a>00045 <span class="keywordflow">for</span> (i=0;i<256;i++)
<a name="l00046"></a>00046 chn_controller[chn][i]=0;
<a name="l00047"></a>00047 chn_controller[chn][CTL_MAIN_VOLUME]=127;
<a name="l00048"></a>00048 chn_controller[chn][11]=127;
<a name="l00049"></a>00049 chn_controller[chn][0x4a]=127;
<a name="l00050"></a>00050 chn_lastisvolumeev[chn]=1;
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a><a class="code" href="classMidiStatus.html#a424927a18b507d3ca9ed11ed16d1197f">00054</a> <a class="code" href="classMidiStatus.html#a424927a18b507d3ca9ed11ed16d1197f" title="Destructor.">MidiStatus::~MidiStatus</a>()
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">// void noteOn ( uchar chn, uchar note, uchar vel );</span>
<a name="l00059"></a>00059 <span class="comment">// void noteOff ( uchar chn, uchar note, uchar vel );</span>
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="classMidiStatus.html#aa87f6b83c63e822654a53f544b9d8bdd">00061</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#aa87f6b83c63e822654a53f544b9d8bdd" title="Stores a new patch in channel chn.">MidiStatus::chnPatchChange</a> ( uchar chn, uchar patch )
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 chn_patch[chn]=patch;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065
<a name="l00066"></a><a class="code" href="classMidiStatus.html#a665f22bd553a7d9aa31975342d4de200">00066</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#a665f22bd553a7d9aa31975342d4de200" title="Stores a new channel pressure value in channel chn.">MidiStatus::chnPressure</a> ( uchar chn, uchar vel )
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 chn_pressure[chn]=vel;
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a><a class="code" href="classMidiStatus.html#a05ce206f45b5a8a9065af02c6d98babb">00071</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#a05ce206f45b5a8a9065af02c6d98babb" title="Stores a new pitch bender value in channel chn.">MidiStatus::chnPitchBender</a> ( uchar chn, uchar lsb, uchar msb )
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 chn_bender[chn]=((int)msb<<8|lsb);
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a><a class="code" href="classMidiStatus.html#a99ef5ce24793b542e16427732edf7344">00076</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#a99ef5ce24793b542e16427732edf7344" title="Stores a new value for controller ctl in channel chn.">MidiStatus::chnController</a> ( uchar chn, uchar ctl , uchar v )
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keywordflow">if</span> (ctl==7) chn_lastisvolumeev[chn]=1;
<a name="l00079"></a>00079 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ctl==11) chn_lastisvolumeev[chn]=0;
<a name="l00080"></a>00080
<a name="l00081"></a>00081 chn_controller[chn][ctl]=v;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083
<a name="l00084"></a><a class="code" href="classMidiStatus.html#a6a087c28eee1c9e02ba37f0adf45189b">00084</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#a6a087c28eee1c9e02ba37f0adf45189b" title="Sets the tempo.">MidiStatus::tmrSetTempo</a>(<span class="keywordtype">int</span> v)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 tempo=v;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a><a class="code" href="classMidiStatus.html#afe1711f834c36132603d88e6e8a085ff">00089</a> <span class="keywordtype">void</span> <a class="code" href="classMidiStatus.html#afe1711f834c36132603d88e6e8a085ff" title="Sends the current MIDI state to the DeviceManager object used as parameter (you should have already s...">MidiStatus::sendData</a>(<a class="code" href="classDeviceManager.html" title="MIDI Device Manager class .">DeviceManager</a> *midi,<span class="keywordtype">int</span> gm)
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> chn=0;chn<16;chn++)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="preprocessor">#ifdef MIDISTATDEBUG</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span> printf(<span class="stringliteral">"Restoring channel %d\n"</span>,chn);
<a name="l00095"></a>00095 <span class="preprocessor">#endif</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span> midi-><a class="code" href="classDeviceManager.html#a457923289e59bd156e3d57d5d9aecd33" title="Changes the patch (instrument) on a MIDI channel.">chnPatchChange</a>(chn,
<a name="l00097"></a>00097 (gm==1)?(chn_patch[chn]):(MT32toGM[chn_patch[chn]]));
<a name="l00098"></a>00098 midi-><a class="code" href="classDeviceManager.html#a0f6cd1f7c8283dcff2d143de6bce1236" title="Changes the Pitch Bender value on a MIDI channel.">chnPitchBender</a>(chn,chn_bender[chn]&0xFF,chn_bender[chn]>>8);
<a name="l00099"></a>00099 midi-><a class="code" href="classDeviceManager.html#aa5538517c5a963e4a416cd4aa2b6dbd6" title="Changes the Pressure (Aftertouch) on a MIDI channel.">chnPressure</a>(chn,chn_pressure[chn]);
<a name="l00100"></a>00100 <span class="keywordflow">if</span> (chn_lastisvolumeev[chn])
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 midi-><a class="code" href="classDeviceManager.html#a5b810226cc168b31edbc80ac8d785227" title="Sends a Controller event to a MIDI channel.">chnController</a>(chn,11,chn_controller[chn][11]);
<a name="l00103"></a>00103 midi-><a class="code" href="classDeviceManager.html#a5b810226cc168b31edbc80ac8d785227" title="Sends a Controller event to a MIDI channel.">chnController</a>(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
<a name="l00104"></a>00104 } <span class="keywordflow">else</span> {
<a name="l00105"></a>00105 midi-><a class="code" href="classDeviceManager.html#a5b810226cc168b31edbc80ac8d785227" title="Sends a Controller event to a MIDI channel.">chnController</a>(chn,CTL_MAIN_VOLUME,chn_controller[chn][CTL_MAIN_VOLUME]);
<a name="l00106"></a>00106 midi-><a class="code" href="classDeviceManager.html#a5b810226cc168b31edbc80ac8d785227" title="Sends a Controller event to a MIDI channel.">chnController</a>(chn,11,chn_controller[chn][11]);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 <span class="comment">/*</span>
<a name="l00109"></a>00109 <span class="comment"> for (int i=0;i<256;i++)</span>
<a name="l00110"></a>00110 <span class="comment"> midi->chnController(chn,i,chn_controller[chn][i]);</span>
<a name="l00111"></a>00111 <span class="comment"> */</span>
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113 midi-><a class="code" href="classDeviceManager.html#ac993414a510635a85f860e202151ed47" title="Sets the tempo which will be used to convert between ticks and milliseconds.">tmrSetTempo</a>(tempo);
<a name="l00114"></a>00114 midi-><a class="code" href="classDeviceManager.html#aae92764328471a6b4973459d723d5ddd" title="Synchronizes with the MIDI buffer.">sync</a>();
<a name="l00115"></a>00115 }
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