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<h1>SMFWriter.hpp</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* This file is part of Raul.</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (C) 2007-2009 David Robillard <http://drobilla.net></span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Raul is free software; you can redistribute it and/or modify it under the</span>
<a name="l00005"></a>00005 <span class="comment"> * terms of the GNU General Public License as published by the Free Software</span>
<a name="l00006"></a>00006 <span class="comment"> * Foundation; either version 2 of the License, or (at your option) any later</span>
<a name="l00007"></a>00007 <span class="comment"> * version.</span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * Raul is distributed in the hope that it will be useful, but WITHOUT ANY</span>
<a name="l00010"></a>00010 <span class="comment"> * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span>
<a name="l00011"></a>00011 <span class="comment"> * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * You should have received a copy of the GNU General Public License along</span>
<a name="l00014"></a>00014 <span class="comment"> * with this program; if not, write to the Free Software Foundation, Inc.,</span>
<a name="l00015"></a>00015 <span class="comment"> * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00016"></a>00016 <span class="comment"> */</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef RAUL_SMF_WRITER_HPP</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define RAUL_SMF_WRITER_HPP</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdexcept></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "raul/MIDISink.hpp"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "raul/TimeStamp.hpp"</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">namespace </span>Raul {
<a name="l00026"></a>00026
<a name="l00027"></a>00027
<a name="l00030"></a><a class="code" href="classRaul_1_1SMFWriter.html">00030</a> <span class="keyword">class </span><a class="code" href="classRaul_1_1SMFWriter.html" title="Standard Midi File (Type 0) Writer.">SMFWriter</a> : <span class="keyword">public</span> Raul::<a class="code" href="classRaul_1_1MIDISink.html" title="Pure virtual base for anything you can write MIDI to.">MIDISink</a> {
<a name="l00031"></a>00031 <span class="keyword">public</span>:
<a name="l00032"></a>00032 <a class="code" href="classRaul_1_1SMFWriter.html#a185959984f5f29d4640a6e46c1c18787" title="Create a new SMF writer.">SMFWriter</a>(<a class="code" href="classRaul_1_1TimeUnit.html" title="A type of time stamp.">TimeUnit</a> unit);
<a name="l00033"></a>00033 ~<a class="code" href="classRaul_1_1SMFWriter.html" title="Standard Midi File (Type 0) Writer.">SMFWriter</a>();
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keywordtype">bool</span> <a class="code" href="classRaul_1_1SMFWriter.html#ac1acff193e31f2fe434262fd8da7e4ab" title="Start a write to an SMF file.">start</a>(<span class="keyword">const</span> std::string& filename,
<a name="l00036"></a>00036 <a class="code" href="classRaul_1_1TimeStamp.html" title="A real-time time stamp (possible units: frame, absolute (s), or beat).">TimeStamp</a> start_time) <span class="keywordflow">throw</span> (std::logic_error);
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <a class="code" href="classRaul_1_1TimeUnit.html" title="A type of time stamp.">TimeUnit</a> unit()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _unit; }
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordtype">void</span> <a class="code" href="classRaul_1_1SMFWriter.html#a8715eb2b1ce7720e3fcc32350ef6e68c" title="Write an event at the end of the file.">write_event</a>(<a class="code" href="classRaul_1_1TimeStamp.html" title="A real-time time stamp (possible units: frame, absolute (s), or beat).">TimeStamp</a> time,
<a name="l00041"></a>00041 <span class="keywordtype">size_t</span> ev_size,
<a name="l00042"></a>00042 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>* ev) <span class="keywordflow">throw</span> (std::logic_error);
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keywordtype">void</span> flush();
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keywordtype">void</span> finish() <span class="keywordflow">throw</span> (std::logic_error);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">protected</span>:
<a name="l00049"></a>00049 <span class="keyword">static</span> <span class="keyword">const</span> uint32_t VAR_LEN_MAX = 0x0FFFFFFF;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="keywordtype">void</span> write_header();
<a name="l00052"></a>00052 <span class="keywordtype">void</span> write_footer();
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">void</span> write_chunk_header(<span class="keyword">const</span> <span class="keywordtype">char</span> <span class="keywordtype">id</span>[4], uint32_t length);
<a name="l00055"></a>00055 <span class="keywordtype">void</span> write_chunk(<span class="keyword">const</span> <span class="keywordtype">char</span> <span class="keywordtype">id</span>[4], uint32_t length, <span class="keywordtype">void</span>* data);
<a name="l00056"></a>00056 <span class="keywordtype">size_t</span> <a class="code" href="classRaul_1_1SMFWriter.html#ae7351869ccd72bef021acc93414d120c" title="Write an SMF variable length value.">write_var_len</a>(uint32_t val);
<a name="l00057"></a>00057
<a name="l00058"></a>00058 std::string _filename;
<a name="l00059"></a>00059 FILE* _fd;
<a name="l00060"></a>00060 <a class="code" href="classRaul_1_1TimeUnit.html" title="A type of time stamp.">TimeUnit</a> _unit;
<a name="l00061"></a>00061 <a class="code" href="classRaul_1_1TimeStamp.html" title="A real-time time stamp (possible units: frame, absolute (s), or beat).">Raul::TimeStamp</a> _start_time;
<a name="l00062"></a><a class="code" href="classRaul_1_1SMFWriter.html#acf832bdc5796f180ba9cd8744a656977">00062</a> <a class="code" href="classRaul_1_1TimeStamp.html" title="A real-time time stamp (possible units: frame, absolute (s), or beat).">Raul::TimeStamp</a> <a class="code" href="classRaul_1_1SMFWriter.html#acf832bdc5796f180ba9cd8744a656977" title="Time last event was written relative to _start_time.">_last_ev_time</a>;
<a name="l00063"></a>00063 uint32_t _track_size;
<a name="l00064"></a><a class="code" href="classRaul_1_1SMFWriter.html#a0947832044f05a9ec51b04f8a880431d">00064</a> uint32_t <a class="code" href="classRaul_1_1SMFWriter.html#a0947832044f05a9ec51b04f8a880431d" title="size of SMF header, including MTrk chunk header">_header_size</a>;
<a name="l00065"></a>00065 };
<a name="l00066"></a>00066
<a name="l00067"></a>00067
<a name="l00068"></a>00068 } <span class="comment">// namespace Raul</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="preprocessor">#endif // RAUL_SMF_WRITER_HPP</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span>
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