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<h1>Source code for pyo.lib.players</h1><div class="highlight"><pre>
<span></span><span class="sd">"""</span>
<span class="sd">Play soundfiles from the disk.</span>
<span class="sd">SfMarkerXXX objects use markers features (store in the header) from</span>
<span class="sd">an AIFF file to create more specific reading patterns.</span>
<span class="sd">"""</span>
<span class="sd">"""</span>
<span class="sd">Copyright 2009-2015 Olivier Belanger</span>
<span class="sd">This file is part of pyo, a python module to help digital signal</span>
<span class="sd">processing script creation.</span>
<span class="sd">pyo is free software: you can redistribute it and/or modify</span>
<span class="sd">it under the terms of the GNU Lesser General Public License as</span>
<span class="sd">published by the Free Software Foundation, either version 3 of the</span>
<span class="sd">License, or (at your option) any later version.</span>
<span class="sd">pyo is distributed in the hope that it will be useful,</span>
<span class="sd">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="sd">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="sd">GNU Lesser General Public License for more details.</span>
<span class="sd">You should have received a copy of the GNU Lesser General Public</span>
<span class="sd">License along with pyo. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="sd">"""</span>
<span class="kn">from</span> <span class="nn">._core</span> <span class="kn">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">._maps</span> <span class="kn">import</span> <span class="o">*</span>
<span class="kn">import</span> <span class="nn">aifc</span>
<div class="viewcode-block" id="SfPlayer"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer">[docs]</a><span class="k">class</span> <span class="nc">SfPlayer</span><span class="p">(</span><span class="n">PyoObject</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Soundfile player.</span>
<span class="sd"> Reads audio data from a file using one of several available interpolation</span>
<span class="sd"> types. User can alter its pitch with the `speed` attribute. The object</span>
<span class="sd"> takes care of sampling rate conversion to match the Server sampling</span>
<span class="sd"> rate setting.</span>
<span class="sd"> :Parent: :py:class:`PyoObject`</span>
<span class="sd"> :Args:</span>
<span class="sd"> path: string</span>
<span class="sd"> Full path name of the sound to read.</span>
<span class="sd"> speed: float or PyoObject, optional</span>
<span class="sd"> Transpose the pitch of input sound by this factor.</span>
<span class="sd"> Defaults to 1.</span>
<span class="sd"> 1 is the original pitch, lower values play sound slower, and higher</span>
<span class="sd"> values play sound faster.</span>
<span class="sd"> Negative values results in playing sound backward.</span>
<span class="sd"> Although the `speed` attribute accepts audio</span>
<span class="sd"> rate signal, its value is updated only once per buffer size.</span>
<span class="sd"> loop: bool, optional</span>
<span class="sd"> If set to True, sound will play in loop. Defaults to False.</span>
<span class="sd"> offset: float, optional</span>
<span class="sd"> Time in seconds of input sound to be skipped, assuming speed = 1.</span>
<span class="sd"> If the object is already playing (and play() is implicitly called at</span>
<span class="sd"> the object creation), this value will be effective only on the next</span>
<span class="sd"> loop point. Defaults to 0.</span>
<span class="sd"> interp: int, optional</span>
<span class="sd"> Interpolation type. Defaults to 2.</span>
<span class="sd"> 1. no interpolation</span>
<span class="sd"> 2. linear</span>
<span class="sd"> 3. cosinus</span>
<span class="sd"> 4. cubic</span>
<span class="sd"> .. note::</span>
<span class="sd"> SfPlayer will send a trigger signal at the end of the playback if</span>
<span class="sd"> loop is off or any time it wraps around if loop is on. User can</span>
<span class="sd"> retrieve the trigger streams by calling obj['trig']:</span>
<span class="sd"> >>> sf = SfPlayer(SNDS_PATH + "/transparent.aif").out()</span>
<span class="sd"> >>> trig = TrigRand(sf['trig'])</span>
<span class="sd"> Note that the object will send as many trigs as there is channels</span>
<span class="sd"> in the sound file. If you want to retrieve only one trig, only give</span>
<span class="sd"> the first stream to the next object:</span>
<span class="sd"> >>> def printing():</span>
<span class="sd"> ... print("one trig!")</span>
<span class="sd"> >>> sf = SfPlayer("/stereo/sound/file.aif").out()</span>
<span class="sd"> >>> trig = TrigFunc(sf['trig'][0], printing)</span>
<span class="sd"> >>> s = Server().boot()</span>
<span class="sd"> >>> s.start()</span>
<span class="sd"> >>> snd = SNDS_PATH + "/transparent.aif"</span>
<span class="sd"> >>> sf = SfPlayer(snd, speed=[.75,.8], loop=True, mul=.3).out()</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">loop</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">offset</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">interp</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">mul</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">add</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"sObniOO"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">loop</span><span class="p">,</span> <span class="n">offset</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_path</span> <span class="o">=</span> <span class="n">path</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">speed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_loop</span> <span class="o">=</span> <span class="n">loop</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_offset</span> <span class="o">=</span> <span class="n">offset</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">interp</span>
<span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">loop</span><span class="p">,</span> <span class="n">offset</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span>
<span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">loop</span><span class="p">,</span> <span class="n">offset</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span>
<span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">_trig_objs_tmp</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">lmax</span><span class="p">):</span>
<span class="n">_snd_size</span><span class="p">,</span> <span class="n">_dur</span><span class="p">,</span> <span class="n">_snd_sr</span><span class="p">,</span> <span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">_format</span><span class="p">,</span> <span class="n">_type</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="n">path</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="n">SfPlayer_base</span><span class="p">(</span>
<span class="n">stringencode</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">)),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">speed</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">loop</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">offset</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">interp</span><span class="p">,</span> <span class="n">i</span><span class="p">)</span>
<span class="p">)</span>
<span class="p">)</span>
<span class="k">for</span> <span class="n">j</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">_snd_chnls</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">SfPlay_base</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">],</span> <span class="n">j</span><span class="p">,</span> <span class="n">wrap</span><span class="p">(</span><span class="n">mul</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">add</span><span class="p">,</span> <span class="n">i</span><span class="p">)))</span>
<span class="n">_trig_objs_tmp</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">TriggerDummy_base</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_trig_objs</span> <span class="o">=</span> <span class="n">Dummy</span><span class="p">(</span><span class="n">_trig_objs_tmp</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init_play</span><span class="p">()</span>
<div class="viewcode-block" id="SfPlayer.setPath"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setPath">[docs]</a> <span class="k">def</span> <span class="nf">setPath</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Sets a new sound to read.</span>
<span class="sd"> The number of channels of the new sound must match those</span>
<span class="sd"> of the sound loaded at initialization time.</span>
<span class="sd"> :Args:</span>
<span class="sd"> path: string</span>
<span class="sd"> Full path of the new sound.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"s"</span><span class="p">,</span> <span class="n">path</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_path</span><span class="p">)</span> <span class="o">==</span> <span class="nb">list</span><span class="p">:</span>
<span class="n">curNchnls</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_path</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)[</span><span class="mi">3</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">curNchnls</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_path</span><span class="p">,</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)[</span><span class="mi">3</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <span class="o">==</span> <span class="nb">list</span><span class="p">:</span>
<span class="n">p</span> <span class="o">=</span> <span class="n">path</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">p</span> <span class="o">=</span> <span class="n">path</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">_snd_size</span><span class="p">,</span> <span class="n">_dur</span><span class="p">,</span> <span class="n">_snd_sr</span><span class="p">,</span> <span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">_format</span><span class="p">,</span> <span class="n">_type</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="n">p</span><span class="p">,</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">except</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="n">_snd_chnls</span> <span class="o">!=</span> <span class="n">curNchnls</span><span class="p">:</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">"Soundfile must contains exactly </span><span class="si">%d</span><span class="s2"> channels."</span> <span class="o">%</span> <span class="n">curNchnls</span><span class="p">)</span>
<span class="k">return</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_path</span> <span class="o">=</span> <span class="n">path</span>
<span class="n">path</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setSound</span><span class="p">(</span><span class="n">stringencode</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">)))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfPlayer.setSound"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setSound">[docs]</a> <span class="k">def</span> <span class="nf">setSound</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Sets a new sound to read.</span>
<span class="sd"> The number of channels of the new sound must match those</span>
<span class="sd"> of the sound loaded at initialization time.</span>
<span class="sd"> :Args:</span>
<span class="sd"> path: string</span>
<span class="sd"> Full path of the new sound.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setPath</span><span class="p">(</span><span class="n">path</span><span class="p">)</span></div>
<div class="viewcode-block" id="SfPlayer.setSpeed"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setSpeed">[docs]</a> <span class="k">def</span> <span class="nf">setSpeed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `speed` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: float or PyoObject</span>
<span class="sd"> new `speed` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"O"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfPlayer.setLoop"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setLoop">[docs]</a> <span class="k">def</span> <span class="nf">setLoop</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `loop` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: bool {True, False}</span>
<span class="sd"> new `loop` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"b"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_loop</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">):</span>
<span class="k">if</span> <span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">):</span>
<span class="n">obj</span><span class="o">.</span><span class="n">setLoop</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">obj</span><span class="o">.</span><span class="n">setLoop</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span></div>
<div class="viewcode-block" id="SfPlayer.setOffset"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setOffset">[docs]</a> <span class="k">def</span> <span class="nf">setOffset</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `offset` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: float</span>
<span class="sd"> new `offset` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"n"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_offset</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setOffset</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfPlayer.setInterp"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.setInterp">[docs]</a> <span class="k">def</span> <span class="nf">setInterp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `interp` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: int {1, 2, 3, 4}</span>
<span class="sd"> new `interp` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"i"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfPlayer.ctrl"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfPlayer.ctrl">[docs]</a> <span class="k">def</span> <span class="nf">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_map_list</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">SLMap</span><span class="p">(</span><span class="o">-</span><span class="mf">2.0</span><span class="p">,</span> <span class="mf">2.0</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"speed"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span><span class="p">),</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"interp"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span><span class="p">,</span> <span class="n">res</span><span class="o">=</span><span class="s2">"int"</span><span class="p">,</span> <span class="n">dataOnly</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span>
<span class="n">SLMapMul</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_mul</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="n">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="p">)</span></div>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">path</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""string. Full path of the sound."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_path</span>
<span class="nd">@path</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">path</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setPath</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">sound</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""string. Alias to the `path` attribute."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_path</span>
<span class="nd">@sound</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">sound</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setPath</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""float or PyoObject. Transposition factor."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span>
<span class="nd">@speed</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">loop</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""bool. Looping mode."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_loop</span>
<span class="nd">@loop</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">loop</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setLoop</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">offset</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""float. Time, in seconds, of the first sample to read."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_offset</span>
<span class="nd">@offset</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">offset</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setOffset</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""int {1, 2, 3, 4}. Interpolation method."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span>
<span class="nd">@interp</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></div>
<div class="viewcode-block" id="SfMarkerShuffler"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler">[docs]</a><span class="k">class</span> <span class="nc">SfMarkerShuffler</span><span class="p">(</span><span class="n">PyoObject</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> AIFF with markers soundfile shuffler.</span>
<span class="sd"> Reads audio data from a AIFF file using one of several available</span>
<span class="sd"> interpolation types. User can alter its pitch with the `speed`</span>
<span class="sd"> attribute. The object takes care of sampling rate conversion to</span>
<span class="sd"> match the Server sampling rate setting.</span>
<span class="sd"> The reading pointer randomly choose a marker (from the MARK chunk</span>
<span class="sd"> in the header of the AIFF file) as its starting point and reads</span>
<span class="sd"> the samples until it reaches the following marker. Then, it choose</span>
<span class="sd"> another marker and reads from the new position and so on...</span>
<span class="sd"> :Parent: :py:class:`PyoObject`</span>
<span class="sd"> :Args:</span>
<span class="sd"> path: string</span>
<span class="sd"> Full path name of the sound to read. Can't e changed after</span>
<span class="sd"> initialization.</span>
<span class="sd"> speed: float or PyoObject, optional</span>
<span class="sd"> Transpose the pitch of input sound by this factor.</span>
<span class="sd"> Defaults to 1.</span>
<span class="sd"> 1 is the original pitch, lower values play sound slower, and higher</span>
<span class="sd"> values play sound faster.</span>
<span class="sd"> Negative values results in playing sound backward.</span>
<span class="sd"> Although the `speed` attribute accepts audio</span>
<span class="sd"> rate signal, its value is updated only once per buffer size.</span>
<span class="sd"> interp: int, optional</span>
<span class="sd"> Choice of the interpolation method. Defaults to 2.</span>
<span class="sd"> 1. no interpolation</span>
<span class="sd"> 2. linear</span>
<span class="sd"> 3. cosinus</span>
<span class="sd"> 4. cubic</span>
<span class="sd"> >>> s = Server().boot()</span>
<span class="sd"> >>> s.start()</span>
<span class="sd"> >>> sound = SNDS_PATH + "/transparent.aif"</span>
<span class="sd"> >>> sf = SfMarkerShuffler(sound, speed=[1,1], mul=.3).out()</span>
<span class="sd"> >>> sf.setRandomType("expon_min", 0.6)</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">interp</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">mul</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">add</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"sOiOO"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">speed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">interp</span>
<span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_snd_size</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dur</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_sr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">_format</span><span class="p">,</span> <span class="n">_type</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="n">path</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">lmax</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">sf</span> <span class="o">=</span> <span class="n">aifc</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="c1"># Do we need stringencode() here?</span>
<span class="n">markerstmp</span> <span class="o">=</span> <span class="n">sf</span><span class="o">.</span><span class="n">getmarkers</span><span class="p">()</span>
<span class="n">sf</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_markers</span> <span class="o">=</span> <span class="p">[</span><span class="n">m</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">markerstmp</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_markers</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="n">SfMarkerShuffler_base</span><span class="p">(</span><span class="n">stringencode</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">)),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_markers</span><span class="p">,</span> <span class="n">wrap</span><span class="p">(</span><span class="n">speed</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">interp</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span>
<span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">lmax</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">):</span>
<span class="n">j</span> <span class="o">=</span> <span class="n">i</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="n">SfMarkerShuffle_base</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">,</span> <span class="n">j</span><span class="p">),</span> <span class="n">i</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">wrap</span><span class="p">(</span><span class="n">mul</span><span class="p">,</span> <span class="n">j</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">add</span><span class="p">,</span> <span class="n">j</span><span class="p">))</span>
<span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init_play</span><span class="p">()</span>
<div class="viewcode-block" id="SfMarkerShuffler.setSpeed"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler.setSpeed">[docs]</a> <span class="k">def</span> <span class="nf">setSpeed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `speed` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: float or PyoObject</span>
<span class="sd"> new `speed` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"O"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerShuffler.setInterp"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler.setInterp">[docs]</a> <span class="k">def</span> <span class="nf">setInterp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `interp` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: int {1, 2, 3, 4}</span>
<span class="sd"> new `interp` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"i"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerShuffler.setRandomType"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler.setRandomType">[docs]</a> <span class="k">def</span> <span class="nf">setRandomType</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">dist</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">x</span><span class="o">=</span><span class="mf">0.5</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the random distribution type used to choose the markers.</span>
<span class="sd"> :Args:</span>
<span class="sd"> dist: int or string</span>
<span class="sd"> The distribution type. Available distributions are:</span>
<span class="sd"> 0. uniform (default)</span>
<span class="sd"> 1. linear minimum</span>
<span class="sd"> 2. linear maximum</span>
<span class="sd"> 3. triangular</span>
<span class="sd"> 4. exponential minimum</span>
<span class="sd"> 5. exponential maximum</span>
<span class="sd"> 6. double (bi)exponential</span>
<span class="sd"> 7. cauchy</span>
<span class="sd"> 8. weibull</span>
<span class="sd"> 9. gaussian</span>
<span class="sd"> x: float</span>
<span class="sd"> Distribution specific parameter, if applicable, as a float</span>
<span class="sd"> between 0 and 1. Defaults to 0.5.</span>
<span class="sd"> .. note::</span>
<span class="sd"> Depending on the distribution type, `x` parameter is applied as</span>
<span class="sd"> follow (names as string, or associated number can be used as `dist`</span>
<span class="sd"> parameter):</span>
<span class="sd"> 0. uniform</span>
<span class="sd"> - x: not used</span>
<span class="sd"> 1. linear_min</span>
<span class="sd"> - x: not used</span>
<span class="sd"> 2. linear_max</span>
<span class="sd"> - x: not used</span>
<span class="sd"> 3. triangle</span>
<span class="sd"> - x: not used</span>
<span class="sd"> 4. expon_min</span>
<span class="sd"> - x: slope {0 = no slope -> 1 = sharp slope}</span>
<span class="sd"> 5. expon_max</span>
<span class="sd"> - x: slope {0 = no slope -> 1 = sharp slope}</span>
<span class="sd"> 6. biexpon</span>
<span class="sd"> - x: bandwidth {0 = huge bandwidth -> 1 = narrow bandwidth}</span>
<span class="sd"> 7. cauchy</span>
<span class="sd"> - x: bandwidth {0 = huge bandwidth -> 1 = narroe bandwidth}</span>
<span class="sd"> 8. weibull</span>
<span class="sd"> - x: shape {0 = expon min => linear min => 1 = gaussian}</span>
<span class="sd"> 9. gaussian</span>
<span class="sd"> - x: bandwidth {0 = huge bandwidth -> 1 = narrow bandwidth}</span>
<span class="sd"> """</span>
<span class="n">dist</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">dist</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">t</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">dist</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">type</span><span class="p">(</span><span class="n">t</span><span class="p">)</span> <span class="ow">in</span> <span class="p">[</span><span class="nb">bytes</span><span class="p">,</span> <span class="nb">str</span><span class="p">]:</span>
<span class="n">dist</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">XNOISE_DICT</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">t</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setRandomType</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">dist</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerShuffler.getMarkers"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler.getMarkers">[docs]</a> <span class="k">def</span> <span class="nf">getMarkers</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns a list of marker time values in samples.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_markers</span></div>
<div class="viewcode-block" id="SfMarkerShuffler.ctrl"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerShuffler.ctrl">[docs]</a> <span class="k">def</span> <span class="nf">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_map_list</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mf">0.01</span><span class="p">,</span> <span class="mf">2.0</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"speed"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span><span class="p">),</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"interp"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span><span class="p">,</span> <span class="n">res</span><span class="o">=</span><span class="s2">"int"</span><span class="p">,</span> <span class="n">dataOnly</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span>
<span class="n">SLMapMul</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_mul</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="n">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="p">)</span></div>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""float or PyoObject. Transposition factor."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span>
<span class="nd">@speed</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""int {1, 2, 3, 4}. Interpolation method."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span>
<span class="nd">@interp</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></div>
<div class="viewcode-block" id="SfMarkerLooper"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper">[docs]</a><span class="k">class</span> <span class="nc">SfMarkerLooper</span><span class="p">(</span><span class="n">PyoObject</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> AIFF with markers soundfile looper.</span>
<span class="sd"> Reads audio data from a AIFF file using one of several available</span>
<span class="sd"> interpolation types. User can alter its pitch with the `speed`</span>
<span class="sd"> attribute. The object takes care of sampling rate conversion to</span>
<span class="sd"> match the Server sampling rate setting.</span>
<span class="sd"> The reading pointer loops a specific marker (from the MARK chunk</span>
<span class="sd"> in the header of the AIFF file) until it received a new integer</span>
<span class="sd"> in the `mark` attribute.</span>
<span class="sd"> :Parent: :py:class:`PyoObject`</span>
<span class="sd"> :Args:</span>
<span class="sd"> path: string</span>
<span class="sd"> Full path name of the sound to read.</span>
<span class="sd"> speed: float or PyoObject, optional</span>
<span class="sd"> Transpose the pitch of input sound by this factor.</span>
<span class="sd"> Defaults to 1.</span>
<span class="sd"> 1 is the original pitch, lower values play sound slower, and higher</span>
<span class="sd"> values play sound faster.</span>
<span class="sd"> Negative values results in playing sound backward.</span>
<span class="sd"> Although the `speed` attribute accepts audio</span>
<span class="sd"> rate signal, its value is updated only once per buffer size.</span>
<span class="sd"> mark: float or PyoObject, optional</span>
<span class="sd"> Integer denoting the marker to loop, in the range</span>
<span class="sd"> 0 -> len(getMarkers()). Defaults to 0.</span>
<span class="sd"> interp: int, optional</span>
<span class="sd"> Choice of the interpolation method. Defaults to 2.</span>
<span class="sd"> 1. no interpolation</span>
<span class="sd"> 2. linear</span>
<span class="sd"> 3. cosinus</span>
<span class="sd"> 4. cubic</span>
<span class="sd"> >>> s = Server().boot()</span>
<span class="sd"> >>> s.start()</span>
<span class="sd"> >>> a = SfMarkerLooper(SNDS_PATH + '/transparent.aif', speed=[.999,1], mul=.3).out()</span>
<span class="sd"> >>> rnd = RandInt(len(a.getMarkers()), 2)</span>
<span class="sd"> >>> a.mark = rnd</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">mark</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">interp</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">mul</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">add</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"sOOiOO"</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">mark</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">speed</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_mark</span> <span class="o">=</span> <span class="n">mark</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">interp</span>
<span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">mark</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">speed</span><span class="p">,</span> <span class="n">mark</span><span class="p">,</span> <span class="n">interp</span><span class="p">,</span> <span class="n">mul</span><span class="p">,</span> <span class="n">add</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_snd_size</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_dur</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_sr</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">_format</span><span class="p">,</span> <span class="n">_type</span> <span class="o">=</span> <span class="n">sndinfo</span><span class="p">(</span><span class="n">path</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">raise_on_failure</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">lmax</span><span class="p">):</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">sf</span> <span class="o">=</span> <span class="n">aifc</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span>
<span class="n">markerstmp</span> <span class="o">=</span> <span class="n">sf</span><span class="o">.</span><span class="n">getmarkers</span><span class="p">()</span>
<span class="n">sf</span><span class="o">.</span><span class="n">close</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_markers</span> <span class="o">=</span> <span class="p">[</span><span class="n">m</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">markerstmp</span><span class="p">]</span>
<span class="k">except</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_markers</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="n">SfMarkerLooper_base</span><span class="p">(</span>
<span class="n">stringencode</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">path</span><span class="p">,</span> <span class="n">i</span><span class="p">)),</span> <span class="bp">self</span><span class="o">.</span><span class="n">_markers</span><span class="p">,</span> <span class="n">wrap</span><span class="p">(</span><span class="n">speed</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">mark</span><span class="p">,</span> <span class="n">i</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">interp</span><span class="p">,</span> <span class="n">i</span><span class="p">)</span>
<span class="p">)</span>
<span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">lmax</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">):</span>
<span class="n">j</span> <span class="o">=</span> <span class="n">i</span> <span class="o">//</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_base_objs</span><span class="o">.</span><span class="n">append</span><span class="p">(</span>
<span class="n">SfMarkerLoop_base</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">,</span> <span class="n">j</span><span class="p">),</span> <span class="n">i</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">_snd_chnls</span><span class="p">,</span> <span class="n">wrap</span><span class="p">(</span><span class="n">mul</span><span class="p">,</span> <span class="n">j</span><span class="p">),</span> <span class="n">wrap</span><span class="p">(</span><span class="n">add</span><span class="p">,</span> <span class="n">j</span><span class="p">))</span>
<span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_init_play</span><span class="p">()</span>
<div class="viewcode-block" id="SfMarkerLooper.setSpeed"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper.setSpeed">[docs]</a> <span class="k">def</span> <span class="nf">setSpeed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `speed` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: float or PyoObject</span>
<span class="sd"> new `speed` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"O"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_speed</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerLooper.setMark"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper.setMark">[docs]</a> <span class="k">def</span> <span class="nf">setMark</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `mark` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: float or PyoObject</span>
<span class="sd"> new `mark` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"O"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_mark</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setMark</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerLooper.setInterp"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper.setInterp">[docs]</a> <span class="k">def</span> <span class="nf">setInterp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Replace the `interp` attribute.</span>
<span class="sd"> :Args:</span>
<span class="sd"> x: int {1, 2, 3, 4}</span>
<span class="sd"> new `interp` attribute.</span>
<span class="sd"> """</span>
<span class="n">pyoArgsAssert</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s2">"i"</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_interp</span> <span class="o">=</span> <span class="n">x</span>
<span class="n">x</span><span class="p">,</span> <span class="n">lmax</span> <span class="o">=</span> <span class="n">convertArgsToLists</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="p">[</span><span class="n">obj</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">wrap</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">i</span><span class="p">))</span> <span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">obj</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_base_players</span><span class="p">)]</span></div>
<div class="viewcode-block" id="SfMarkerLooper.getMarkers"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper.getMarkers">[docs]</a> <span class="k">def</span> <span class="nf">getMarkers</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns a list of marker time values in samples.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_markers</span></div>
<div class="viewcode-block" id="SfMarkerLooper.ctrl"><a class="viewcode-back" href="../../../api/classes/players.html#pyo.SfMarkerLooper.ctrl">[docs]</a> <span class="k">def</span> <span class="nf">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">title</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_map_list</span> <span class="o">=</span> <span class="p">[</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mf">0.01</span><span class="p">,</span> <span class="mf">2.0</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"speed"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span><span class="p">),</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_markers</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"mark"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_mark</span><span class="p">,</span> <span class="s2">"int"</span><span class="p">),</span>
<span class="n">SLMap</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="s2">"lin"</span><span class="p">,</span> <span class="s2">"interp"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span><span class="p">,</span> <span class="n">res</span><span class="o">=</span><span class="s2">"int"</span><span class="p">,</span> <span class="n">dataOnly</span><span class="o">=</span><span class="kc">True</span><span class="p">),</span>
<span class="n">SLMapMul</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_mul</span><span class="p">),</span>
<span class="p">]</span>
<span class="n">PyoObject</span><span class="o">.</span><span class="n">ctrl</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">map_list</span><span class="p">,</span> <span class="n">title</span><span class="p">,</span> <span class="n">wxnoserver</span><span class="p">)</span></div>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""float or PyoObject. Transposition factor."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_speed</span>
<span class="nd">@speed</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">speed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setSpeed</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">mark</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""float or PyoObject. Marker to loop."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_marker</span>
<span class="nd">@mark</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">mark</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setMark</span><span class="p">(</span><span class="n">x</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""int {1, 2, 3, 4}. Interpolation method."""</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_interp</span>
<span class="nd">@interp</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">interp</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setInterp</span><span class="p">(</span><span class="n">x</span><span class="p">)</span></div>
</pre></div>
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