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52 lines
2.1 KiB
52 lines
2.1 KiB
<script type="text/x-red" data-help-name="AudioPlayMemory">
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<h3>Summary</h3>
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<div class=tooltipinfo>
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<p>Play a short sound clip, stored directly in memory.
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Data files are created with the
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<a href="https://github.com/PaulStoffregen/Audio/tree/master/extras/wav2sketch" target="_blank">wav2sketch program</a>,
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and copied to the sketch folder to become part of your sketch.</p>
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</div>
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<h3>Audio Connections</h3>
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<table class=doc align=center cellpadding=3>
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<tr class=top><th>Port</th><th>Purpose</th></tr>
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<tr class=odd><td align=center>Out 0</td><td>Sound Output</td></tr>
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</table>
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<h3>Functions</h3>
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<p class=func><span class=keyword>play</span>(data);</p>
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<p class=desc>Begin playing a sound clip. If already playing, the
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currently playing clip is stopped and this new data begins
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playing from the beginning.
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</p>
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<p class=func><span class=keyword>stop</span>();</p>
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<p class=desc>Stop playing. If not playing, this function has no effect.
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</p>
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<p class=func><span class=keyword>isPlaying</span>();</p>
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<p class=desc>Return true (non-zero) if playing, or false (zero)
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when not playing.
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</p>
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<p class=func><span class=keyword>positionMillis</span>();</p>
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<p class=desc>While playing, return the current time offset, in
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milliseconds. When not playing, the return from this function
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is undefined.
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</p>
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<p class=func><span class=keyword>lengthMillis</span>();</p>
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<p class=desc>Return the total length of the current sound clip,
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in milliseconds. When not playing, the return from this function
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is undefined.
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</p>
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<h3>Examples</h3>
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<p class=exam>File > Examples > Audio > SamplePlayer
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</p>
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<h3>Notes</h3>
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<p>TODO: supported sample rates: 11.025, 22.05, 44.1</p>
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<p>TODO: ulaw vs uncompressed encoding</p>
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<p>Polyphonic playback can be built by creating multiple
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objects, with their output combined by mixers.</p>
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</script>
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<script type="text/x-red" data-template-name="AudioPlayMemory">
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<div class="form-row">
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<label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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