Help/Control/Score.html

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  33 <p class="p1"><span class="s1"><b>Score<span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>score of timed OSC commands</b></p>
  34 <p class="p2"><br></p>
  35 <p class="p2"><br></p>
  36 <p class="p2"><br></p>
  37 <p class="p1">Score encapsulates a list of timed OSC commands and provides some methods for using it, as well as support for the creation of binary OSC files for non-realtime synthesis. See <b>Non-Realtime-Synthesis</b> for more details.</p>
  38 <p class="p2"><br></p>
  39 <p class="p1">The list should be in the following format, with times in ascending order. Bundles are okay.</p>
  40 <p class="p2"><br></p>
  41 <p class="p3">[</p>
  42 <p class="p3">[beat1, [<span class="s2">OSCcmd1</span>]],</p>
  43 <p class="p3">[beat2, [<span class="s2">OSCcmd2</span>], [<span class="s2">OSCcmd3</span>]],</p>
  44 <p class="p3">...</p>
  45 <p class="p3">[beat_n, [<span class="s2">OSCcmdn</span>]],</p>
  46 <p class="p3">[beatToEndNRT, [<span class="s3">\c_set</span>, 0, 0]] <span class="s4">// finish</span></p>
  47 <p class="p3">]</p>
  48 <p class="p2"><br></p>
  49 <p class="p1">For NRT synthesis the final event should a dummy event, after which synthesis will cease. It is thus important that this event be timed to allow previous events to complete.</p>
  50 <p class="p2"><br></p>
  51 <p class="p1"><b>Score</b> scheduling defaults to <b>TempoClock</b>. A setting of <b>TempoClock</b>.default.tempo = 1 (60 beats per minute), may be used to express score events in seconds if desired.</p>
  52 <p class="p2"><br></p>
  53 <p class="p2"><br></p>
  54 <p class="p2"><br></p>
  55 <p class="p2"><br></p>
  56 <p class="p4"><b>Class Methods</b></p>
  57 <p class="p2"><br></p>
  58 <p class="p1"><b>*new(list)</b> - returns a new Score object with the supplied list. <b>list </b>can be an <b>Array</b>, a <b>List</b>, or similar object.</p>
  59 <p class="p2"><br></p>
  60 <p class="p1"><b>*newFromFile(path) </b>- as <b>*new</b>, but reads the list in from a text file. <b>path </b>is a string indicating the path of the file. The file must contain a valid SC expression.</p>
  61 <p class="p2"><br></p>
  62 <p class="p1"><b>*play(list, server) </b>- as <b>*new</b> but immediately plays it. (See also the instance method below.) If no value is supplied for <b>server</b> it will play on the default <b>Server</b>.</p>
  63 <p class="p2"><br></p>
  64 <p class="p1"><b>*playFromFile(path, server) </b>- as <b>*play</b>, but reads the list from a file.</p>
  65 <p class="p2"><br></p>
  66 <p class="p1"><b>*write(list, oscFilePath, clock)</b> - a convenience method to create a binary OSC file for NRT synthesis. Does not create an instance. <b>oscFilePath</b> is a string containing the desired path of the OSC file. Use <b>clock</b> as a tempo base. <b>TempoClock</b>.default if <b>clock</b> is nil.</p>
  67 <p class="p2"><br></p>
  68 <p class="p1"><b>*writeFromFile(path, oscFilePath, clock)</b> - as *write but reads the list from a file. Use <b>clock</b> as a tempo base.<span class="Apple-converted-space">  </span><b>TempoClock</b>.default if <b>clock</b> is nil.</p>
  69 <p class="p2"><br></p>
  70 <p class="p1"><b>*recordNRT(list, oscFilePath, outputFilePath, inputFilePath, sampleRate, headerFormat, sampleFormat, options)</b> - a convenience method to synthesize <b>list</b> in non-realtime. This method writes an OSC file to <b>oscFilePath</b> (you have to do your own cleanup if desired) and then starts a server app to synthesize it. For details on valid headerFormats and sampleFormats see <b>SoundFile</b>. Use <b>TempoClock</b>.default as a tempo base. Does not return an instance.</p>
  71 <p class="p1"><b><span class="Apple-tab-span">  </span>oscFilePath </b>- the path to which the binary OSC file will be written.</p>
  72 <p class="p1"><span class="Apple-tab-span">     </span><b>outputFilePath </b>- the path of the resultant soundfile.</p>
  73 <p class="p1"><b><span class="Apple-tab-span">  </span>inputFilePath</b> - an optional path for an input soundfile.</p>
  74 <p class="p1"><span class="Apple-tab-span">     </span><b>sampleRate</b> - the sample rate at which synthesis will occur.</p>
  75 <p class="p1"><span class="Apple-tab-span">     </span><b>headerFormat</b> - the header format of the output file. The default is 'AIFF'.</p>
  76 <p class="p1"><span class="Apple-tab-span">     </span><b>sampleFormat </b>- the sample format of the output file. The default is 'int16'.</p>
  77 <p class="p1"><span class="Apple-tab-span">     </span><b>options</b> - an instance of <b>ServerOptions</b>. If not supplied the options of the default <b>Server</b> will be used.</p>
  78 <p class="p2"><br></p>
  79 <p class="p4"><b>Instance Methods</b></p>
  80 <p class="p5"><br></p>
  81 <p class="p1"><b>play(server, clock, quant) </b>- play the list on <b>server</b> use <b>clock</b> as a tempo base and quantize start time to <b>quant</b>. If <b>server</b> is nil, then on the default server. <b>TempoClock</b>.default if <b>clock</b> is nil. now if <b>quant</b> is 0.</p>
  82 <p class="p2"><br></p>
  83 <p class="p1"><b>stop </b>- stop playing.</p>
  84 <p class="p2"><br></p>
  85 <p class="p1"><b>write(oscFilePath, clock) </b>- create a binary OSC file for NRT synthesis from the list. Use <b>clock</b> as a tempo base. <b>TempoClock</b>.default if <b>clock</b> is nil.</p>
  86 <p class="p2"><br></p>
  87 <p class="p1"><b>score </b>- get the list.</p>
  88 <p class="p2"><br></p>
  89 <p class="p1"><b>score_(list) </b>- set the list.</p>
  90 <p class="p2"><br></p>
  91 <p class="p1"><b>add(bundle)</b> - adds bundle to the list.</p>
  92 <p class="p2"><br></p>
  93 <p class="p1"><b>sort</b> - sort the score time order.<span class="Apple-converted-space"> </span></p>
  94 <p class="p1"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>This is recommended to do <b>before</b> <b>recordNRT or write</b> when<span class="Apple-converted-space"> </span></p>
  95 <p class="p1"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>you are not sure about the packet order</p>
  96 <p class="p2"><br></p>
  97 <p class="p1"><b>recordNRT(oscFilePath, outputFilePath, inputFilePath, sampleRate, headerFormat, sampleFormat, options)</b> - synthesize the score in non-realtime. For details of the arguments see <b>*recordNRT</b> above.</p>
  98 <p class="p2"><br></p>
  99 <p class="p1"><b>saveToFile(path)</b> - save the score list as a text file to <b>path.</b></p>
 100 <p class="p2"><br></p>
 101 <p class="p2"><br></p>
 102 <p class="p2"><br></p>
 103 <p class="p6"><b>NRT Examples:</b></p>
 104 <p class="p7"><br></p>
 105 <p class="p8">// A sample synthDef</p>
 106 <p class="p3">(</p>
 107 <p class="p3"><span class="s2">SynthDef</span>(<span class="s5">"helpscore"</span>,{ <span class="s2">arg</span> freq = 440;</p>
 108 <p class="p3"><span class="Apple-tab-span">     </span><span class="s2">Out</span>.ar(0,</p>
 109 <p class="p3"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span> <span class="s2">SinOsc</span>.ar(freq, 0, 0.2) * <span class="s2">Line</span>.kr(1, 0, 0.5, doneAction: 2)</p>
 110 <p class="p3"><span class="Apple-tab-span">     </span>)</p>
 111 <p class="p3">}).load(s);</p>
 112 <p class="p3">)</p>
 113 <p class="p9"><br></p>
 114 <p class="p8">// write a sample file for testing</p>
 115 <p class="p3">(</p>
 116 <p class="p3"><span class="s2">var</span> f, g;</p>
 117 <p class="p3"><span class="s2">TempoClock</span>.default.tempo = 1;</p>
 118 <p class="p3">g = [</p>
 119 <p class="p3"><span class="Apple-tab-span">     </span>[0.1, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1000, 0, 0, <span class="s3">\freq</span>, 440]],<span class="Apple-tab-span">        </span>[0.2, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1001, 0, 0, <span class="s3">\freq</span>, 660]],</p>
 120 <p class="p3"><span class="Apple-tab-span">     </span>[0.3, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1002, 0, 0, <span class="s3">\freq</span>, 220]],</p>
 121 <p class="p3"><span class="Apple-tab-span">     </span>[1, [<span class="s3">\c_set</span>, 0, 0]] <span class="s4">// finish</span></p>
 122 <p class="p3"><span class="Apple-tab-span">     </span>];</p>
 123 <p class="p10"><span class="s6">f = </span><span class="s2">File</span><span class="s6">(</span>"score-test"<span class="s6">,</span>"w"<span class="s6">);</span></p>
 124 <p class="p3">f.write(g.asCompileString);</p>
 125 <p class="p3">f.close;</p>
 126 <p class="p3">)</p>
 127 <p class="p11"><br></p>
 128 <p class="p8">//convert it to a binary OSC file for use with NRT</p>
 129 <p class="p10"><span class="s2">Score</span><span class="s6">.writeFromFile(</span>"score-test"<span class="s6">, </span>"test.osc"<span class="s6">);</span></p>
 130 <p class="p11"><br></p>
 131 <p class="p1">From the command line, the file can then be rendered from within the build directory:</p>
 132 <p class="p11"><br></p>
 133 <p class="p3">./scsynth -N test.osc _ test.aif 44100 AIFF int16 -o 1<span class="Apple-converted-space"> </span></p>
 134 <p class="p11"><br></p>
 135 <p class="p1">Score also provides methods to do all this more directly:</p>
 136 <p class="p11"><br></p>
 137 <p class="p3">(</p>
 138 <p class="p3"><span class="s2">var</span> f, o;</p>
 139 <p class="p3">g = [</p>
 140 <p class="p3"><span class="Apple-tab-span">     </span>[0.1, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1000, 0, 0, <span class="s3">\freq</span>, 440]],<span class="Apple-tab-span">        </span>[0.2, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1001, 0, 0, <span class="s3">\freq</span>, 660],<span class="Apple-converted-space"> </span></p>
 141 <p class="p3"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>[<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1002, 0, 0, <span class="s3">\freq</span>, 880]],</p>
 142 <p class="p3"><span class="Apple-tab-span">     </span>[0.3, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1003, 0, 0, <span class="s3">\freq</span>, 220]],</p>
 143 <p class="p3"><span class="Apple-tab-span">     </span>[1, [<span class="s3">\c_set</span>, 0, 0]] <span class="s4">// finish</span></p>
 144 <p class="p3"><span class="Apple-tab-span">     </span>];</p>
 145 <p class="p3">o = <span class="s2">ServerOptions</span>.new.numOutputBusChannels = 1; <span class="s4">// mono output</span></p>
 146 <p class="p3"><span class="s2">Score</span>.recordNRT(g, <span class="s5">"help-oscFile"</span>, <span class="s5">"helpNRT.aiff"</span>, options: o); <span class="s4">// synthesize</span></p>
 147 <p class="p3">)</p>
 148 <p class="p2"><br></p>
 149 <p class="p2"><br></p>
 150 <p class="p2"><br></p>
 151 <p class="p2"><br></p>
 152 <p class="p4"><b>Real-time Examples:</b></p>
 153 <p class="p9"><br></p>
 154 <p class="p8"><span class="s6">s.boot; </span>// boot the default server</p>
 155 <p class="p7"><br></p>
 156 <p class="p8">// A sample synthDef</p>
 157 <p class="p3">(</p>
 158 <p class="p3"><span class="s2">SynthDef</span>(<span class="s5">"helpscore"</span>,{ <span class="s2">arg</span> freq = 440;</p>
 159 <p class="p3"><span class="Apple-tab-span">     </span><span class="s2">Out</span>.ar(0,</p>
 160 <p class="p3"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span> <span class="s2">SinOsc</span>.ar(freq, 0, 0.2) * <span class="s2">Line</span>.kr(1, 0, 0.5, doneAction: 2)</p>
 161 <p class="p3"><span class="Apple-tab-span">     </span>)</p>
 162 <p class="p3">}).load(s);</p>
 163 <p class="p3">)</p>
 164 <p class="p9"><br></p>
 165 <p class="p8">// write a sample file for testing</p>
 166 <p class="p3">(</p>
 167 <p class="p3"><span class="s2">var</span> f, g;</p>
 168 <p class="p3"><span class="s2">TempoClock</span>.default.tempo = 1;</p>
 169 <p class="p3">g = [</p>
 170 <p class="p3"><span class="Apple-tab-span">     </span>[0.1, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1000, 0, 0, <span class="s3">\freq</span>, 440]],<span class="Apple-tab-span">        </span>[0.2, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1001, 0, 0, <span class="s3">\freq</span>, 660],<span class="Apple-converted-space"> </span></p>
 171 <p class="p3"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>[<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1002, 0, 0, <span class="s3">\freq</span>, 880]],</p>
 172 <p class="p3"><span class="Apple-tab-span">     </span>[0.3, [<span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1003, 0, 0, <span class="s3">\freq</span>, 220]],</p>
 173 <p class="p3"><span class="Apple-tab-span">     </span>[1, [<span class="s3">\c_set</span>, 0, 0]] <span class="s4">// finish</span></p>
 174 <p class="p3"><span class="Apple-tab-span">     </span>];</p>
 175 <p class="p10"><span class="s6">f = </span><span class="s2">File</span><span class="s6">(</span>"score-test"<span class="s6">,</span>"w"<span class="s6">);</span></p>
 176 <p class="p3">f.write(g.asCompileString);</p>
 177 <p class="p3">f.close;</p>
 178 <p class="p3">)</p>
 179 <p class="p11"><br></p>
 180 <p class="p3">z = Score.newFromFile(<span class="s5">"score-test"</span>);</p>
 181 <p class="p11"><br></p>
 182 <p class="p8">// play it on the default server</p>
 183 <p class="p3"><span class="s2">z</span>.play;</p>
 184 <p class="p11"><br></p>
 185 <p class="p8">// change the list</p>
 186 <p class="p3">(</p>
 187 <p class="p3">x = [</p>
 188 <p class="p3">[0.0, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1000, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1413 ]],</p>
 189 <p class="p3">[0.1, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1001, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 712 ]],</p>
 190 <p class="p3">[0.2, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1002, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 417 ]],</p>
 191 <p class="p3">[0.3, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1003, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1238 ]],</p>
 192 <p class="p3">[0.4, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1004, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 996 ]],</p>
 193 <p class="p3">[0.5, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1005, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1320 ]],</p>
 194 <p class="p3">[0.6, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1006, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 864 ]],</p>
 195 <p class="p3">[0.7, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1007, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1033 ]],</p>
 196 <p class="p3">[0.8, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1008, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1693 ]],</p>
 197 <p class="p3">[0.9, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1009, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 410 ]],</p>
 198 <p class="p3">[1.0, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1010, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1349 ]],</p>
 199 <p class="p3">[1.1, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1011, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1449 ]],</p>
 200 <p class="p3">[1.2, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1012, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1603 ]],</p>
 201 <p class="p3">[1.3, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1013, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 333 ]],</p>
 202 <p class="p3">[1.4, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1014, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 678 ]],</p>
 203 <p class="p3">[1.5, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1015, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 503 ]],</p>
 204 <p class="p3">[1.6, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1016, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 820 ]],</p>
 205 <p class="p3">[1.7, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1017, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1599 ]],</p>
 206 <p class="p3">[1.8, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1018, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 968 ]],</p>
 207 <p class="p3">[1.9, [ <span class="s3">\s_new</span>, <span class="s3">\helpscore</span>, 1019, 0, 0,<span class="Apple-converted-space">  </span><span class="s3">\freq</span>, 1347 ]],</p>
 208 <p class="p3">[2.0, [<span class="s3">\c_set</span>, 0, 0]] <span class="s4">// finish</span></p>
 209 <p class="p3">];</p>
 210 <p class="p11"><br></p>
 211 <p class="p3">z.score_(x);</p>
 212 <p class="p3">)</p>
 213 <p class="p11"><br></p>
 214 <p class="p8">// play it</p>
 215 <p class="p3">z.play;</p>
 216 <p class="p11"><br></p>
 217 <p class="p8">// play and stop after one second</p>
 218 <p class="p3">(</p>
 219 <p class="p3">z.play;</p>
 220 <p class="p3"><span class="s2">SystemClock</span>.sched(1.0, {z.stop;});</p>
 221 <p class="p3">)</p>
 222 <p class="p11"><br></p>
 223 <p class="p11"><br></p>
 224 <p class="p11"><br></p>
 225 <p class="p11"><br></p>
 226 <p class="p12"><b>creating Score from a pattern</b></p>
 227 <p class="p11"><br></p>
 228 <p class="p11"><br></p>
 229 <p class="p13">SynthDescLib<span class="s6">.read;</span></p>
 230 <p class="p11"><br></p>
 231 <p class="p11"><br></p>
 232 <p class="p8">// new pattern</p>
 233 <p class="p3">(</p>
 234 <p class="p3">p = <span class="s2">Pbind</span>(</p>
 235 <p class="p11"><span class="Apple-tab-span">    </span></p>
 236 <p class="p3"><span class="Apple-tab-span">     </span><span class="s3">\dur</span>, <span class="s2">Prand</span>([0.3, 0.5], <span class="s2">inf</span>),</p>
 237 <p class="p3"><span class="Apple-tab-span">     </span><span class="s3">\freq</span>, <span class="s2">Prand</span>([200, 300, 500],<span class="s2">inf</span>)</p>
 238 <p class="p3">);</p>
 239 <p class="p3">)</p>
 240 <p class="p11"><br></p>
 241 <p class="p8">// make a score from the pattern, 4 beats long</p>
 242 <p class="p3">z = p.asScore(4.0);</p>
 243 <p class="p11"><br></p>
 244 <p class="p3">z.score.postcs;</p>
 245 <p class="p3">z.play;</p>
 246 <p class="p11"><br></p>
 247 <p class="p11"><br></p>
 248 <p class="p11"><br></p>
 249 <p class="p11"><br></p>
 250 <p class="p12"><b>rendering a pattern to sound file directly:</b></p>
 251 <p class="p11"><br></p>
 252 <p class="p8">// render the pattern to aiff (4 beats)</p>
 253 <p class="p11"><br></p>
 254 <p class="p10"><span class="s6">p.render(</span>"asScore-Help.aif"<span class="s6">, 4.0);</span></p>
 255 <p class="p11"><br></p>
 256 <p class="p11"><br></p>
 257 <p class="p11"><br></p>
 258 <p class="p11"><br></p>
 259 <p class="p11"><br></p>
 260 </body>
 261 </html>