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<div class="title">alsaout.h</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* alsaout.cc - class AlsaOut which represents an alsa client/port pair</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of LibKMid 0.9.5</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez</span>
<a name="l00004"></a>00004 <span class="comment"> LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00008"></a>00008 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> version 2 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> Library General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00018"></a>00018 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00019"></a>00019 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment"> Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org></span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment">***************************************************************************/</span>
<a name="l00024"></a>00024 <span class="preprocessor">#ifndef _ALSAOUT_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define _ALSAOUT_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <libkmid/midiout.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">struct </span>snd_seq_event;
<a name="l00030"></a>00030 <span class="keyword">typedef</span> <span class="keyword">struct </span>snd_seq_event snd_seq_event_t;
<a name="l00031"></a>00031
<a name="l00037"></a><a class="code" href="classAlsaOut.html">00037</a> <span class="keyword">class </span><a class="code" href="classAlsaOut.html" title="Sends MIDI events to a MIDI devices using ALSA.">AlsaOut</a> : <span class="keyword">public</span> <a class="code" href="classMidiOut.html" title="External MIDI port output class .">MidiOut</a>
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classDeviceManager.html" title="MIDI Device Manager class .">DeviceManager</a>;
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="keyword">protected</span>:
<a name="l00042"></a>00042
<a name="l00047"></a>00047 <span class="keywordtype">int</span> ndevs;
<a name="l00048"></a>00048
<a name="l00053"></a>00053 <span class="keywordtype">int</span> nmidiports;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordtype">double</span> count;
<a name="l00056"></a>00056 <span class="keywordtype">double</span> lastcount;
<a name="l00057"></a>00057 <span class="keywordtype">double</span> lasttime;
<a name="l00058"></a>00058 <span class="keywordtype">double</span> begintime;
<a name="l00059"></a>00059 <span class="keywordtype">int</span> m_rate;
<a name="l00060"></a>00060
<a name="l00065"></a>00065 <span class="keywordtype">double</span> convertrate;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordtype">long</span> <span class="keywordtype">int</span> time;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">virtual</span> <span class="keywordtype">void</span> seqbuf_dump (<span class="keywordtype">void</span>);
<a name="l00070"></a>00070 <span class="keyword">virtual</span> <span class="keywordtype">void</span> seqbuf_clean(<span class="keywordtype">void</span>);
<a name="l00071"></a>00071 <span class="keywordtype">void</span> eventInit(snd_seq_event_t *ev);
<a name="l00072"></a>00072 <span class="keywordtype">void</span> eventSend(snd_seq_event_t *ep);
<a name="l00073"></a>00073 <span class="keywordtype">void</span> timerEventSend(<span class="keywordtype">int</span> <a class="code" href="classDeviceManager.html#a907bc773d87d409fc72a6708e7012ce5" title="Returns the type of device the i-th device is , in a user-friendly string .">type</a>);
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">public</span>:
<a name="l00076"></a>00076
<a name="l00082"></a>00082 <a class="code" href="classAlsaOut.html#a1fa2123fb30f679d909c8f2fe99a5588" title="Constructor.">AlsaOut</a>(<span class="keywordtype">int</span> d, <span class="keywordtype">int</span> client=64, <span class="keywordtype">int</span> port=0, <span class="keyword">const</span> <span class="keywordtype">char</span> *cname=<span class="stringliteral">""</span>, <span class="keyword">const</span> <span class="keywordtype">char</span> *pname=<span class="stringliteral">""</span>);
<a name="l00083"></a>00083
<a name="l00089"></a>00089 <span class="keyword">virtual</span> <a class="code" href="classAlsaOut.html#a46182f244b0394a2abde7494d944d602" title="Destructor.">~AlsaOut</a>();
<a name="l00090"></a>00090
<a name="l00099"></a>00099 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a8edcd53b1bd09920414d93e9eac061a3" title="Opens the device.">openDev</a> (<span class="keywordtype">int</span> sqfd);
<a name="l00100"></a>00100
<a name="l00106"></a>00106 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a85d1cfed1df0faae6dcb8a7a220a7643" title="Closes the device.">closeDev</a> ();
<a name="l00107"></a>00107
<a name="l00113"></a>00113 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a8ef8b9e18bb1cc9174d4d09890faeedb" title="Initializes the device sending generic standard midi events and controllers, such as changing the pat...">initDev</a> ();
<a name="l00114"></a>00114
<a name="l00129"></a><a class="code" href="classAlsaOut.html#ab771d684ddec7baecd93fb0b638d5666">00129</a> <span class="keywordtype">int</span> <a class="code" href="classAlsaOut.html#ab771d684ddec7baecd93fb0b638d5666">deviceType</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> devicetype; }
<a name="l00130"></a>00130
<a name="l00135"></a>00135 <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="classAlsaOut.html#a00f280ba04dd2f9be899ff419b7376b8" title="Returns the name and type of this MIDI device.">deviceName</a> (<span class="keywordtype">void</span>) <span class="keyword">const</span>;
<a name="l00136"></a>00136
<a name="l00140"></a>00140 <span class="keywordtype">int</span> <a class="code" href="classDeviceManager.html#a2a8c1b518e52cb680c1e9404c8b7a010" title="Returns the SNDCTL_SEQ_CTRLRATE ioctl value.">rate</a> (<span class="keywordtype">void</span>) { <span class="keywordflow">return</span> m_rate; }
<a name="l00141"></a>00141
<a name="l00145"></a>00145 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#ae526fcc0d4c4f3a345d159247e10930c" title="See DeviceManager::noteOn()">noteOn</a> ( uchar chn, uchar note, uchar vel );
<a name="l00146"></a>00146
<a name="l00150"></a>00150 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#ac5c6bdcb04240208391710d30e9d244e" title="See DeviceManager::noteOff()">noteOff</a> ( uchar chn, uchar note, uchar vel );
<a name="l00151"></a>00151
<a name="l00155"></a>00155 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a92b1653c9aebeb049cdf37687bec2903" title="See DeviceManager::keyPressure()">keyPressure</a> ( uchar chn, uchar note, uchar vel );
<a name="l00156"></a>00156
<a name="l00160"></a>00160 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a1e5a87db80538d52a5af4b336f5a022e" title="See DeviceManager::chnPatchChange()">chnPatchChange</a> ( uchar chn, uchar patch );
<a name="l00161"></a>00161
<a name="l00165"></a>00165 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a7cd1f5e8ab7ccdad6e3ca0ac2bebfbee" title="See DeviceManager::chnPressure()">chnPressure</a> ( uchar chn, uchar vel );
<a name="l00166"></a>00166
<a name="l00170"></a>00170 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#aee5d72c136e8fa4a2736bd1b500cf519" title="See DeviceManager::chnPitchBender()">chnPitchBender</a> ( uchar chn, uchar lsb, uchar msb );
<a name="l00171"></a>00171
<a name="l00175"></a>00175 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a9cb7646fcf9af95c7795896a2868a6f8" title="See DeviceManager::chnController()">chnController</a> ( uchar chn, uchar ctl , uchar v );
<a name="l00176"></a>00176
<a name="l00180"></a>00180 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a60dd751127259bbe1da4033a178f3eae" title="See DeviceManager::sysex()">sysex</a> ( uchar *data,ulong size);
<a name="l00181"></a>00181
<a name="l00185"></a>00185 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a16676676894141e6b3364df207529a1f" title="Mutes all notes being played on a given channel.">channelSilence</a> ( uchar chn );
<a name="l00186"></a>00186
<a name="l00194"></a>00194 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a46045431e061ed8731cced567c344de6" title="Mute or "unmute" a given channel .">channelMute</a> ( uchar chn, <span class="keywordtype">int</span> b );
<a name="l00195"></a>00195
<a name="l00203"></a><a class="code" href="classAlsaOut.html#a797fcf8d2fc1cd8305027c487a9a5b45">00203</a> <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a797fcf8d2fc1cd8305027c487a9a5b45" title="Change all channel volume events multiplying it by this percentage correction Instead of forcing a ch...">setVolumePercentage</a> ( <span class="keywordtype">int</span> volper )
<a name="l00204"></a>00204 { volumepercentage = volper; }
<a name="l00205"></a>00205
<a name="l00209"></a><a class="code" href="classAlsaOut.html#aba42f50d11f69aba868407b3640d0857">00209</a> <span class="keywordtype">int</span> <a class="code" href="classAlsaOut.html#aba42f50d11f69aba868407b3640d0857" title="Returns true if everything's ok and false if there has been any problem.">ok</a> (<span class="keywordtype">void</span>)
<a name="l00210"></a>00210 { <span class="keywordflow">if</span> (seqfd<0) <span class="keywordflow">return</span> 0;
<a name="l00211"></a>00211 <span class="keywordflow">return</span> (_ok>0);
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#a27f98f4e3ae1372925ba284fe9e3a7fd" title="Sets the number of milliseconds at which the next event will be sent.">wait</a> (<span class="keywordtype">double</span> ticks);
<a name="l00215"></a>00215 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#ac993414a510635a85f860e202151ed47" title="Sets the tempo which will be used to convert between ticks and milliseconds.">tmrSetTempo</a> (<span class="keywordtype">int</span> v);
<a name="l00216"></a>00216 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#a63c6809d3a6e0d18eecdf2f2b4115d7b" title="Starts the timer.">tmrStart</a> (<span class="keywordtype">int</span> tpcn);
<a name="l00217"></a>00217 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#a63c6809d3a6e0d18eecdf2f2b4115d7b" title="Starts the timer.">tmrStart</a> () { <a class="code" href="classDeviceManager.html#a63c6809d3a6e0d18eecdf2f2b4115d7b" title="Starts the timer.">tmrStart</a>(-1); }
<a name="l00218"></a>00218 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#aae81962047a142ae5f5e5e0bcbce6c2f" title="Stops the timer.">tmrStop</a> ();
<a name="l00219"></a>00219 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classDeviceManager.html#af8ecd94b0b4895d076547b42eac5bed1" title="Continue the stopped timer .">tmrContinue</a> ();
<a name="l00225"></a>00225 <span class="keywordtype">void</span> <a class="code" href="classAlsaOut.html#a315f1090b6134ffe3e2434b2b1fbce77" title="Sends the buffer to the device and returns when it's played, so you can synchronize XXX: sync should ...">sync</a> (<span class="keywordtype">int</span> i=0);
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keyword">class </span>AlsaOutPrivate;
<a name="l00228"></a>00228 AlsaOutPrivate *di;
<a name="l00229"></a>00229 };
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="preprocessor">#endif // _ALSAOUT_H</span>
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<a href="mailto:aaaatrap-425acc3b5374943f@kde.org">Block me</a>
WARNING END
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