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<section id="module-pygame.mixer">
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<span id="pygame-mixer"></span><dl class="definition">
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<dt class="title module sig sig-object">
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<code class="docutils literal notranslate"><span class="pre">pygame.mixer</span></code></dt>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">pygame module for loading and playing sounds</span></div>
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</div>
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<table class="toc docutils align-default">
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<colgroup>
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<col style="width: 36%" />
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<col style="width: 1%" />
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<col style="width: 63%" />
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</colgroup>
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<tbody>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.init">pygame.mixer.init</a></div>
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</td>
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<td>—</td>
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<td>initialize the mixer module</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.pre_init">pygame.mixer.pre_init</a></div>
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</td>
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<td>—</td>
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<td>preset the mixer init arguments</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.quit">pygame.mixer.quit</a></div>
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</td>
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<td>—</td>
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<td>uninitialize the mixer</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.get_init">pygame.mixer.get_init</a></div>
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</td>
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<td>—</td>
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<td>test if the mixer is initialized</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.stop">pygame.mixer.stop</a></div>
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</td>
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<td>—</td>
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<td>stop playback of all sound channels</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.pause">pygame.mixer.pause</a></div>
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</td>
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<td>—</td>
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<td>temporarily stop playback of all sound channels</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.unpause">pygame.mixer.unpause</a></div>
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</td>
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<td>—</td>
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<td>resume paused playback of sound channels</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.fadeout">pygame.mixer.fadeout</a></div>
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</td>
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<td>—</td>
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<td>fade out the volume on all sounds before stopping</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.set_num_channels">pygame.mixer.set_num_channels</a></div>
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</td>
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<td>—</td>
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<td>set the total number of playback channels</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.get_num_channels">pygame.mixer.get_num_channels</a></div>
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</td>
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<td>—</td>
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<td>get the total number of playback channels</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.set_reserved">pygame.mixer.set_reserved</a></div>
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</td>
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<td>—</td>
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<td>reserve channels from being automatically used</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.find_channel">pygame.mixer.find_channel</a></div>
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</td>
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<td>—</td>
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<td>find an unused channel</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.get_busy">pygame.mixer.get_busy</a></div>
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</td>
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<td>—</td>
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<td>test if any sound is being mixed</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.get_sdl_mixer_version">pygame.mixer.get_sdl_mixer_version</a></div>
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</td>
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<td>—</td>
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<td>get the mixer's SDL version</td>
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</tr>
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<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound">pygame.mixer.Sound</a></div>
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</td>
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<td>—</td>
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<td>Create a new Sound object from a file or buffer object</td>
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</tr>
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<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel">pygame.mixer.Channel</a></div>
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</td>
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<td>—</td>
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<td>Create a Channel object for controlling playback</td>
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</tr>
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</tbody>
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</table>
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<p>This module contains classes for loading Sound objects and controlling
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playback. The mixer module is optional and depends on SDL_mixer. Your program
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should test that <a class="tooltip reference internal" href="#module-pygame.mixer" title=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">pygame.mixer</span></code><span class="tooltip-content">pygame module for loading and playing sounds</span></a> is available and initialized before using
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it.</p>
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<p>The mixer module has a limited number of channels for playback of sounds.
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Usually programs tell pygame to start playing audio and it selects an available
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channel automatically. The default is 8 simultaneous channels, but complex
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programs can get more precise control over the number of channels and their
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use.</p>
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<p>All sound playback is mixed in background threads. When you begin to play a
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Sound object, it will return immediately while the sound continues to play. A
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single Sound object can also be actively played back multiple times.</p>
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<p>The mixer also has a special streaming channel. This is for music playback and
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is accessed through the <a class="tooltip reference internal" href="music.html#module-pygame.mixer.music" title=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">pygame.mixer.music</span></code><span class="tooltip-content">pygame module for controlling streamed audio</span></a> module. Consider using this
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module for playing long running music. Unlike mixer module, the music module
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streams the music from the files without loading music at once into memory.</p>
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<p>The mixer module must be initialized like other pygame modules, but it has some
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extra conditions. The <code class="docutils literal notranslate"><span class="pre">pygame.mixer.init()</span></code> function takes several optional
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arguments to control the playback rate and sample size. Pygame will default to
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reasonable values, but pygame cannot perform Sound resampling, so the mixer
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should be initialized to match the values of your audio resources.</p>
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<p><code class="docutils literal notranslate"><span class="pre">NOTE</span></code>: For less laggy sound use a smaller buffer size. The default
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is set to reduce the chance of scratchy sounds on some computers. You can
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change the default buffer by calling <a class="tooltip reference internal" href="#pygame.mixer.pre_init" title=""><code class="xref py py-func docutils literal notranslate"><span class="pre">pygame.mixer.pre_init()</span></code><span class="tooltip-content">preset the mixer init arguments</span></a> before
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<a class="tooltip reference internal" href="#pygame.mixer.init" title=""><code class="xref py py-func docutils literal notranslate"><span class="pre">pygame.mixer.init()</span></code><span class="tooltip-content">initialize the mixer module</span></a> or <a class="tooltip reference internal" href="pygame.html#pygame.init" title=""><code class="xref py py-func docutils literal notranslate"><span class="pre">pygame.init()</span></code><span class="tooltip-content">initialize all imported pygame modules</span></a> is called. For example:
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<code class="docutils literal notranslate"><span class="pre">pygame.mixer.pre_init(44100,-16,2,</span> <span class="pre">1024)</span></code></p>
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<dl class="py function definition">
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<dt class="sig sig-object py title" id="pygame.mixer.init">
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<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">init</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.init" title="Permalink to this definition">¶</a></dt>
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<dd><div class="line-block">
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<div class="line"><span class="summaryline">initialize the mixer module</span></div>
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<div class="line"><span class="signature">init(frequency=44100, size=-16, channels=2, buffer=512, devicename=None, allowedchanges=AUDIO_ALLOW_FREQUENCY_CHANGE | AUDIO_ALLOW_CHANNELS_CHANGE) -> None</span></div>
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</div>
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<p>Initialize the mixer module for Sound loading and playback. The default
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arguments can be overridden to provide specific audio mixing. Keyword
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arguments are accepted. For backwards compatibility, argument values of
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0 are replaced with the startup defaults, except for <code class="docutils literal notranslate"><span class="pre">allowedchanges</span></code>,
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where -1 is used. (startup defaults may be changed by a <a class="reference internal" href="#pygame.mixer.pre_init" title="pygame.mixer.pre_init"><code class="xref py py-func docutils literal notranslate"><span class="pre">pre_init()</span></code></a> call).</p>
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<p>The size argument represents how many bits are used for each audio sample.
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If the value is negative then signed sample values will be used. Positive
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values mean unsigned audio samples will be used. An invalid value raises an
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exception.</p>
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<p>The channels argument is used to specify whether to use mono or stereo. 1
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for mono and 2 for stereo.</p>
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<p>The buffer argument controls the number of internal samples used in the
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sound mixer. The default value should work for most cases. It can be lowered
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to reduce latency, but sound dropout may occur. It can be raised to larger
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values to ensure playback never skips, but it will impose latency on sound
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playback. The buffer size must be a power of two (if not it is rounded up to
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the next nearest power of 2).</p>
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<p>Some platforms require the <a class="tooltip reference internal" href="#module-pygame.mixer" title=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">pygame.mixer</span></code><span class="tooltip-content">pygame module for loading and playing sounds</span></a> module to be initialized
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after the display modules have initialized. The top level <code class="docutils literal notranslate"><span class="pre">pygame.init()</span></code>
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takes care of this automatically, but cannot pass any arguments to the mixer
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init. To solve this, mixer has a function <code class="docutils literal notranslate"><span class="pre">pygame.mixer.pre_init()</span></code> to set
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the proper defaults before the toplevel init is used.</p>
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<p>When using allowedchanges=0 it will convert the samples at runtime to match
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what the hardware supports. For example a sound card may not
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support 16bit sound samples, so instead it will use 8bit samples internally.
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If AUDIO_ALLOW_FORMAT_CHANGE is supplied, then the requested format will
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change to the closest that SDL2 supports.</p>
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<p>Apart from 0, allowedchanged accepts the following constants ORed together:</p>
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<blockquote>
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<div><ul class="simple">
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<li><p>AUDIO_ALLOW_FREQUENCY_CHANGE</p></li>
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<li><p>AUDIO_ALLOW_FORMAT_CHANGE</p></li>
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<li><p>AUDIO_ALLOW_CHANNELS_CHANGE</p></li>
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<li><p>AUDIO_ALLOW_ANY_CHANGE</p></li>
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</ul>
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</div></blockquote>
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<p>It is safe to call this more than once, but after the mixer is initialized
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you cannot change the playback arguments without first calling
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<code class="docutils literal notranslate"><span class="pre">pygame.mixer.quit()</span></code>.</p>
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<div class="versionchanged">
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<p><span class="versionmodified changed">Changed in pygame 1.8: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 1024 to 3072.</p>
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</div>
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<div class="versionchanged">
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|
|
<p><span class="versionmodified changed">Changed in pygame 1.9.1: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 3072 to 4096.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 4096 to 512.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span>The default <code class="docutils literal notranslate"><span class="pre">frequency</span></code> changed from 22050 to 44100.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span><code class="docutils literal notranslate"><span class="pre">size</span></code> can be 32 (32-bit floats).</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span><code class="docutils literal notranslate"><span class="pre">channels</span></code> can also be 4 or 6.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 2.0.0: </span><code class="docutils literal notranslate"><span class="pre">allowedchanges</span></code>, <code class="docutils literal notranslate"><span class="pre">devicename</span></code> arguments added</p>
|
||
|
|
</div>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.pre_init">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">pre_init</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.pre_init" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">preset the mixer init arguments</span></div>
|
||
|
|
<div class="line"><span class="signature">pre_init(frequency=44100, size=-16, channels=2, buffer=512, devicename=None, allowedchanges=AUDIO_ALLOW_FREQUENCY_CHANGE | AUDIO_ALLOW_CHANNELS_CHANGE) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Call pre_init to change the defaults used when the real
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">pygame.mixer.init()</span></code> is called. Keyword arguments are accepted. The best
|
||
|
|
way to set custom mixer playback values is to call
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">pygame.mixer.pre_init()</span></code> before calling the top level <code class="docutils literal notranslate"><span class="pre">pygame.init()</span></code>.
|
||
|
|
For backwards compatibility, argument values of 0 are replaced with the
|
||
|
|
startup defaults, except for <code class="docutils literal notranslate"><span class="pre">allowedchanges</span></code>, where -1 is used.</p>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 1.8: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 1024 to 3072.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 1.9.1: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 3072 to 4096.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span>The default <code class="docutils literal notranslate"><span class="pre">buffersize</span></code> changed from 4096 to 512.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionchanged">
|
||
|
|
<p><span class="versionmodified changed">Changed in pygame 2.0.0: </span>The default <code class="docutils literal notranslate"><span class="pre">frequency</span></code> changed from 22050 to 44100.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 2.0.0: </span><code class="docutils literal notranslate"><span class="pre">allowedchanges</span></code>, <code class="docutils literal notranslate"><span class="pre">devicename</span></code> arguments added</p>
|
||
|
|
</div>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.quit">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">quit</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.quit" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">uninitialize the mixer</span></div>
|
||
|
|
<div class="line"><span class="signature">quit() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will uninitialize <a class="tooltip reference internal" href="#module-pygame.mixer" title=""><code class="xref py py-mod docutils literal notranslate"><span class="pre">pygame.mixer</span></code><span class="tooltip-content">pygame module for loading and playing sounds</span></a>. All playback will stop and any
|
||
|
|
loaded Sound objects may not be compatible with the mixer if it is
|
||
|
|
reinitialized later.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.get_init">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">get_init</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.get_init" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">test if the mixer is initialized</span></div>
|
||
|
|
<div class="line"><span class="signature">get_init() -> (frequency, format, channels)</span></div>
|
||
|
|
</div>
|
||
|
|
<p>If the mixer is initialized, this returns the playback arguments it is
|
||
|
|
using. If the mixer has not been initialized this returns <code class="docutils literal notranslate"><span class="pre">None</span></code>.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.stop">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">stop</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.stop" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">stop playback of all sound channels</span></div>
|
||
|
|
<div class="line"><span class="signature">stop() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will stop all playback of all active mixer channels.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.pause">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">pause</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.pause" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">temporarily stop playback of all sound channels</span></div>
|
||
|
|
<div class="line"><span class="signature">pause() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will temporarily stop all playback on the active mixer channels. The
|
||
|
|
playback can later be resumed with <code class="docutils literal notranslate"><span class="pre">pygame.mixer.unpause()</span></code></p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.unpause">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">unpause</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.unpause" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">resume paused playback of sound channels</span></div>
|
||
|
|
<div class="line"><span class="signature">unpause() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will resume all active sound channels after they have been paused.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.fadeout">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">fadeout</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.fadeout" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">fade out the volume on all sounds before stopping</span></div>
|
||
|
|
<div class="line"><span class="signature">fadeout(time) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will fade out the volume on all active channels over the time argument
|
||
|
|
in milliseconds. After the sound is muted the playback will stop.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.set_num_channels">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">set_num_channels</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.set_num_channels" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">set the total number of playback channels</span></div>
|
||
|
|
<div class="line"><span class="signature">set_num_channels(count) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Sets the number of available channels for the mixer. The default value is 8.
|
||
|
|
The value can be increased or decreased. If the value is decreased, sounds
|
||
|
|
playing on the truncated channels are stopped.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.get_num_channels">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">get_num_channels</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.get_num_channels" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the total number of playback channels</span></div>
|
||
|
|
<div class="line"><span class="signature">get_num_channels() -> count</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Returns the number of currently active playback channels.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.set_reserved">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">set_reserved</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.set_reserved" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">reserve channels from being automatically used</span></div>
|
||
|
|
<div class="line"><span class="signature">set_reserved(count) -> count</span></div>
|
||
|
|
</div>
|
||
|
|
<p>The mixer can reserve any number of channels that will not be automatically
|
||
|
|
selected for playback by Sounds. This means that whenever you play a Sound
|
||
|
|
without specifying a channel, a reserved channel will never be used. If sounds
|
||
|
|
are currently playing on the reserved channels they will not be stopped.</p>
|
||
|
|
<p>This allows the application to reserve a specific number of channels for
|
||
|
|
important sounds that must not be dropped or have a guaranteed channel to
|
||
|
|
play on.</p>
|
||
|
|
<p>Will return number of channels actually reserved, this may be less than requested
|
||
|
|
depending on the number of channels previously allocated.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.find_channel">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">find_channel</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.find_channel" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">find an unused channel</span></div>
|
||
|
|
<div class="line"><span class="signature">find_channel(force=False) -> Channel</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will find and return an inactive Channel object. If there are no
|
||
|
|
inactive Channels this function will return <code class="docutils literal notranslate"><span class="pre">None</span></code>. If there are no
|
||
|
|
inactive channels and the force argument is <code class="docutils literal notranslate"><span class="pre">True</span></code>, this will find the
|
||
|
|
Channel with the longest running Sound and return it.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.get_busy">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">get_busy</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.get_busy" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">test if any sound is being mixed</span></div>
|
||
|
|
<div class="line"><span class="signature">get_busy() -> bool</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Returns <code class="docutils literal notranslate"><span class="pre">True</span></code> if the mixer is busy mixing any channels. If the mixer is
|
||
|
|
idle then this return <code class="docutils literal notranslate"><span class="pre">False</span></code>.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py function definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.get_sdl_mixer_version">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">get_sdl_mixer_version</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.get_sdl_mixer_version" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the mixer's SDL version</span></div>
|
||
|
|
<div class="line"><span class="signature">get_sdl_mixer_version() -> (major, minor, patch)</span></div>
|
||
|
|
<div class="line"><span class="signature">get_sdl_mixer_version(linked=True) -> (major, minor, patch)</span></div>
|
||
|
|
</div>
|
||
|
|
<dl class="field-list simple">
|
||
|
|
<dt class="field-odd">Parameters</dt>
|
||
|
|
<dd class="field-odd"><p><strong>linked</strong> (<em>bool</em>) -- if <code class="docutils literal notranslate"><span class="pre">True</span></code> (default) the linked version number is
|
||
|
|
returned, otherwise the compiled version number is returned</p>
|
||
|
|
</dd>
|
||
|
|
<dt class="field-even">Returns</dt>
|
||
|
|
<dd class="field-even"><p>the mixer's SDL library version number (linked or compiled
|
||
|
|
depending on the <code class="docutils literal notranslate"><span class="pre">linked</span></code> parameter) as a tuple of 3 integers
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">(major,</span> <span class="pre">minor,</span> <span class="pre">patch)</span></code></p>
|
||
|
|
</dd>
|
||
|
|
<dt class="field-odd">Return type</dt>
|
||
|
|
<dd class="field-odd"><p>tuple</p>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
<div class="admonition note">
|
||
|
|
<p class="admonition-title">Note</p>
|
||
|
|
<p>The linked and compile version numbers should be the same.</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 2.0.0.</span></p>
|
||
|
|
</div>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py class definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">Sound</span></span><a class="headerlink" href="#pygame.mixer.Sound" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">Create a new Sound object from a file or buffer object</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(filename) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(file=filename) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(file=pathlib_path) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(buffer) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(buffer=buffer) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(object) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(file=object) -> Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">Sound(array=object) -> Sound</span></div>
|
||
|
|
</div>
|
||
|
|
<table class="toc docutils align-default">
|
||
|
|
<colgroup>
|
||
|
|
<col style="width: 39%" />
|
||
|
|
<col style="width: 1%" />
|
||
|
|
<col style="width: 60%" />
|
||
|
|
</colgroup>
|
||
|
|
<tbody>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.play">pygame.mixer.Sound.play</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>begin sound playback</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.stop">pygame.mixer.Sound.stop</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>stop sound playback</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.fadeout">pygame.mixer.Sound.fadeout</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>stop sound playback after fading out</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.set_volume">pygame.mixer.Sound.set_volume</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>set the playback volume for this Sound</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.get_volume">pygame.mixer.Sound.get_volume</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>get the playback volume</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.get_num_channels">pygame.mixer.Sound.get_num_channels</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>count how many times this Sound is playing</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.get_length">pygame.mixer.Sound.get_length</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>get the length of the Sound</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Sound.get_raw">pygame.mixer.Sound.get_raw</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>return a bytestring copy of the Sound samples.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<p>Load a new sound buffer from a filename, a python file object or a readable
|
||
|
|
buffer object. Limited resampling will be performed to help the sample match
|
||
|
|
the initialize arguments for the mixer. A Unicode string can only be a file
|
||
|
|
pathname. A bytes object can be either a pathname or a buffer object.
|
||
|
|
Use the 'file' or 'buffer' keywords to avoid ambiguity; otherwise Sound may
|
||
|
|
guess wrong. If the array keyword is used, the object is expected to export
|
||
|
|
a new buffer interface (The object is checked for a buffer interface first.)</p>
|
||
|
|
<p>The Sound object represents actual sound sample data. Methods that change
|
||
|
|
the state of the Sound object will the all instances of the Sound playback.
|
||
|
|
A Sound object also exports a new buffer interface.</p>
|
||
|
|
<p>The Sound can be loaded from an <code class="docutils literal notranslate"><span class="pre">OGG</span></code> audio file or from an uncompressed
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">WAV</span></code>.</p>
|
||
|
|
<p>Note: The buffer will be copied internally, no data will be shared between
|
||
|
|
it and the Sound object.</p>
|
||
|
|
<p>For now buffer and array support is consistent with <code class="docutils literal notranslate"><span class="pre">sndarray.make_sound</span></code>
|
||
|
|
for Numeric arrays, in that sample sign and byte order are ignored. This
|
||
|
|
will change, either by correctly handling sign and byte order, or by raising
|
||
|
|
an exception when different. Also, source samples are truncated to fit the
|
||
|
|
audio sample size. This will not change.</p>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 1.8: </span><code class="docutils literal notranslate"><span class="pre">pygame.mixer.Sound(buffer)</span></code></p>
|
||
|
|
</div>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 1.9.2: </span><a class="tooltip reference internal" href="#pygame.mixer.Sound" title=""><code class="xref py py-class docutils literal notranslate"><span class="pre">pygame.mixer.Sound</span></code><span class="tooltip-content">Create a new Sound object from a file or buffer object</span></a> keyword arguments and array interface support</p>
|
||
|
|
</div>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 2.0.1: </span>pathlib.Path support on Python 3.</p>
|
||
|
|
</div>
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.play">
|
||
|
|
<span class="sig-name descname"><span class="pre">play</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.play" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">begin sound playback</span></div>
|
||
|
|
<div class="line"><span class="signature">play(loops=0, maxtime=0, fade_ms=0) -> Channel</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Begin playback of the Sound (i.e., on the computer's speakers) on an
|
||
|
|
available Channel. This will forcibly select a Channel, so playback may
|
||
|
|
cut off a currently playing sound if necessary.</p>
|
||
|
|
<p>The loops argument controls how many times the sample will be repeated
|
||
|
|
after being played the first time. A value of 5 means that the sound will
|
||
|
|
be played once, then repeated five times, and so is played a total of six
|
||
|
|
times. The default value (zero) means the Sound is not repeated, and so
|
||
|
|
is only played once. If loops is set to -1 the Sound will loop
|
||
|
|
indefinitely (though you can still call <code class="docutils literal notranslate"><span class="pre">stop()</span></code> to stop it).</p>
|
||
|
|
<p>The maxtime argument can be used to stop playback after a given number of
|
||
|
|
milliseconds.</p>
|
||
|
|
<p>The fade_ms argument will make the sound start playing at 0 volume and
|
||
|
|
fade up to full volume over the time given. The sample may end before the
|
||
|
|
fade-in is complete.</p>
|
||
|
|
<p>This returns the Channel object for the channel that was selected.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.stop">
|
||
|
|
<span class="sig-name descname"><span class="pre">stop</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.stop" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">stop sound playback</span></div>
|
||
|
|
<div class="line"><span class="signature">stop() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will stop the playback of this Sound on any active Channels.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.fadeout">
|
||
|
|
<span class="sig-name descname"><span class="pre">fadeout</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.fadeout" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">stop sound playback after fading out</span></div>
|
||
|
|
<div class="line"><span class="signature">fadeout(time) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will stop playback of the sound after fading it out over the time
|
||
|
|
argument in milliseconds. The Sound will fade and stop on all actively
|
||
|
|
playing channels.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.set_volume">
|
||
|
|
<span class="sig-name descname"><span class="pre">set_volume</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.set_volume" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">set the playback volume for this Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">set_volume(value) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will set the playback volume (loudness) for this Sound. This will
|
||
|
|
immediately affect the Sound if it is playing. It will also affect any
|
||
|
|
future playback of this Sound.</p>
|
||
|
|
<dl class="field-list simple">
|
||
|
|
<dt class="field-odd">Parameters</dt>
|
||
|
|
<dd class="field-odd"><p><strong>value</strong> (<em>float</em>) -- <p>volume in the range of 0.0 to 1.0 (inclusive)</p>
|
||
|
|
<div class="line-block">
|
||
|
|
<div class="line">If value < 0.0, the volume will not be changed</div>
|
||
|
|
<div class="line">If value > 1.0, the volume will be set to 1.0</div>
|
||
|
|
</div>
|
||
|
|
</p>
|
||
|
|
</dd>
|
||
|
|
</dl>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.get_volume">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_volume</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.get_volume" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the playback volume</span></div>
|
||
|
|
<div class="line"><span class="signature">get_volume() -> value</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return a value from 0.0 to 1.0 representing the volume for this Sound.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.get_num_channels">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_num_channels</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.get_num_channels" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">count how many times this Sound is playing</span></div>
|
||
|
|
<div class="line"><span class="signature">get_num_channels() -> count</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return the number of active channels this sound is playing on.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.get_length">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_length</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.get_length" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the length of the Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">get_length() -> seconds</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return the length of this Sound in seconds.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Sound.get_raw">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_raw</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Sound.get_raw" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">return a bytestring copy of the Sound samples.</span></div>
|
||
|
|
<div class="line"><span class="signature">get_raw() -> bytes</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return a copy of the Sound object buffer as a bytes.</p>
|
||
|
|
<div class="versionadded">
|
||
|
|
<p><span class="versionmodified added">New in pygame 1.9.2.</span></p>
|
||
|
|
</div>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py class definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel">
|
||
|
|
<span class="sig-prename descclassname"><span class="pre">pygame.mixer.</span></span><span class="sig-name descname"><span class="pre">Channel</span></span><a class="headerlink" href="#pygame.mixer.Channel" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">Create a Channel object for controlling playback</span></div>
|
||
|
|
<div class="line"><span class="signature">Channel(id) -> Channel</span></div>
|
||
|
|
</div>
|
||
|
|
<table class="toc docutils align-default">
|
||
|
|
<colgroup>
|
||
|
|
<col style="width: 36%" />
|
||
|
|
<col style="width: 1%" />
|
||
|
|
<col style="width: 63%" />
|
||
|
|
</colgroup>
|
||
|
|
<tbody>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.play">pygame.mixer.Channel.play</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>play a Sound on a specific Channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.stop">pygame.mixer.Channel.stop</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>stop playback on a Channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.pause">pygame.mixer.Channel.pause</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>temporarily stop playback of a channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.unpause">pygame.mixer.Channel.unpause</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>resume pause playback of a channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.fadeout">pygame.mixer.Channel.fadeout</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>stop playback after fading channel out</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.set_volume">pygame.mixer.Channel.set_volume</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>set the volume of a playing channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.get_volume">pygame.mixer.Channel.get_volume</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>get the volume of the playing channel</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.get_busy">pygame.mixer.Channel.get_busy</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>check if the channel is active</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.get_sound">pygame.mixer.Channel.get_sound</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>get the currently playing Sound</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.queue">pygame.mixer.Channel.queue</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>queue a Sound object to follow the current</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.get_queue">pygame.mixer.Channel.get_queue</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>return any Sound that is queued</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-even"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.set_endevent">pygame.mixer.Channel.set_endevent</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>have the channel send an event when playback stops</td>
|
||
|
|
</tr>
|
||
|
|
<tr class="row-odd"><td><div class="line"><a class="toc reference external" href="mixer.html#pygame.mixer.Channel.get_endevent">pygame.mixer.Channel.get_endevent</a></div>
|
||
|
|
</td>
|
||
|
|
<td>—</td>
|
||
|
|
<td>get the event a channel sends when playback stops</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<p>Return a Channel object for one of the current channels. The id must be a
|
||
|
|
value from 0 to the value of <code class="docutils literal notranslate"><span class="pre">pygame.mixer.get_num_channels()</span></code>.</p>
|
||
|
|
<p>The Channel object can be used to get fine control over the playback of
|
||
|
|
Sounds. A channel can only playback a single Sound at time. Using channels
|
||
|
|
is entirely optional since pygame can manage them by default.</p>
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.play">
|
||
|
|
<span class="sig-name descname"><span class="pre">play</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.play" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">play a Sound on a specific Channel</span></div>
|
||
|
|
<div class="line"><span class="signature">play(Sound, loops=0, maxtime=0, fade_ms=0) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>This will begin playback of a Sound on a specific Channel. If the Channel
|
||
|
|
is currently playing any other Sound it will be stopped.</p>
|
||
|
|
<p>The loops argument has the same meaning as in <code class="docutils literal notranslate"><span class="pre">Sound.play()</span></code>: it is the
|
||
|
|
number of times to repeat the sound after the first time. If it is 3, the
|
||
|
|
sound will be played 4 times (the first time, then three more). If loops
|
||
|
|
is -1 then the playback will repeat indefinitely.</p>
|
||
|
|
<p>As in <code class="docutils literal notranslate"><span class="pre">Sound.play()</span></code>, the maxtime argument can be used to stop playback
|
||
|
|
of the Sound after a given number of milliseconds.</p>
|
||
|
|
<p>As in <code class="docutils literal notranslate"><span class="pre">Sound.play()</span></code>, the fade_ms argument can be used fade in the
|
||
|
|
sound.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.stop">
|
||
|
|
<span class="sig-name descname"><span class="pre">stop</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.stop" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">stop playback on a Channel</span></div>
|
||
|
|
<div class="line"><span class="signature">stop() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Stop sound playback on a channel. After playback is stopped the channel
|
||
|
|
becomes available for new Sounds to play on it.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.pause">
|
||
|
|
<span class="sig-name descname"><span class="pre">pause</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.pause" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">temporarily stop playback of a channel</span></div>
|
||
|
|
<div class="line"><span class="signature">pause() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Temporarily stop the playback of sound on a channel. It can be resumed at
|
||
|
|
a later time with <code class="docutils literal notranslate"><span class="pre">Channel.unpause()</span></code></p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.unpause">
|
||
|
|
<span class="sig-name descname"><span class="pre">unpause</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.unpause" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">resume pause playback of a channel</span></div>
|
||
|
|
<div class="line"><span class="signature">unpause() -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Resume the playback on a paused channel.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.fadeout">
|
||
|
|
<span class="sig-name descname"><span class="pre">fadeout</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.fadeout" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">stop playback after fading channel out</span></div>
|
||
|
|
<div class="line"><span class="signature">fadeout(time) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Stop playback of a channel after fading out the sound over the given time
|
||
|
|
argument in milliseconds.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.set_volume">
|
||
|
|
<span class="sig-name descname"><span class="pre">set_volume</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.set_volume" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">set the volume of a playing channel</span></div>
|
||
|
|
<div class="line"><span class="signature">set_volume(value) -> None</span></div>
|
||
|
|
<div class="line"><span class="signature">set_volume(left, right) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Set the volume (loudness) of a playing sound. When a channel starts to
|
||
|
|
play its volume value is reset. This only affects the current sound. The
|
||
|
|
value argument is between 0.0 and 1.0.</p>
|
||
|
|
<p>If one argument is passed, it will be the volume of both speakers. If two
|
||
|
|
arguments are passed and the mixer is in stereo mode, the first argument
|
||
|
|
will be the volume of the left speaker and the second will be the volume
|
||
|
|
of the right speaker. (If the second argument is <code class="docutils literal notranslate"><span class="pre">None</span></code>, the first
|
||
|
|
argument will be the volume of both speakers.)</p>
|
||
|
|
<p>If the channel is playing a Sound on which <code class="docutils literal notranslate"><span class="pre">set_volume()</span></code> has also been
|
||
|
|
called, both calls are taken into account. For example:</p>
|
||
|
|
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">sound</span> <span class="o">=</span> <span class="n">pygame</span><span class="o">.</span><span class="n">mixer</span><span class="o">.</span><span class="n">Sound</span><span class="p">(</span><span class="s2">"s.wav"</span><span class="p">)</span>
|
||
|
|
<span class="n">channel</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">play</span><span class="p">()</span> <span class="c1"># Sound plays at full volume by default</span>
|
||
|
|
<span class="n">sound</span><span class="o">.</span><span class="n">set_volume</span><span class="p">(</span><span class="mf">0.9</span><span class="p">)</span> <span class="c1"># Now plays at 90% of full volume.</span>
|
||
|
|
<span class="n">sound</span><span class="o">.</span><span class="n">set_volume</span><span class="p">(</span><span class="mf">0.6</span><span class="p">)</span> <span class="c1"># Now plays at 60% (previous value replaced).</span>
|
||
|
|
<span class="n">channel</span><span class="o">.</span><span class="n">set_volume</span><span class="p">(</span><span class="mf">0.5</span><span class="p">)</span> <span class="c1"># Now plays at 30% (0.6 * 0.5).</span>
|
||
|
|
</pre></div>
|
||
|
|
</div>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.get_volume">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_volume</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.get_volume" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the volume of the playing channel</span></div>
|
||
|
|
<div class="line"><span class="signature">get_volume() -> value</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return the volume of the channel for the current playing sound. This does
|
||
|
|
not take into account stereo separation used by
|
||
|
|
<a class="reference internal" href="#pygame.mixer.Channel.set_volume" title="pygame.mixer.Channel.set_volume"><code class="xref py py-meth docutils literal notranslate"><span class="pre">Channel.set_volume()</span></code></a>. The Sound object also has its own volume
|
||
|
|
which is mixed with the channel.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.get_busy">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_busy</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.get_busy" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">check if the channel is active</span></div>
|
||
|
|
<div class="line"><span class="signature">get_busy() -> bool</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Returns <code class="docutils literal notranslate"><span class="pre">True</span></code> if the channel is actively mixing sound. If the channel
|
||
|
|
is idle this returns <code class="docutils literal notranslate"><span class="pre">False</span></code>.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.get_sound">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_sound</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.get_sound" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the currently playing Sound</span></div>
|
||
|
|
<div class="line"><span class="signature">get_sound() -> Sound</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Return the actual Sound object currently playing on this channel. If the
|
||
|
|
channel is idle <code class="docutils literal notranslate"><span class="pre">None</span></code> is returned.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.queue">
|
||
|
|
<span class="sig-name descname"><span class="pre">queue</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.queue" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">queue a Sound object to follow the current</span></div>
|
||
|
|
<div class="line"><span class="signature">queue(Sound) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>When a Sound is queued on a Channel, it will begin playing immediately
|
||
|
|
after the current Sound is finished. Each channel can only have a single
|
||
|
|
Sound queued at a time. The queued Sound will only play if the current
|
||
|
|
playback finished automatically. It is cleared on any other call to
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">Channel.stop()</span></code> or <code class="docutils literal notranslate"><span class="pre">Channel.play()</span></code>.</p>
|
||
|
|
<p>If there is no sound actively playing on the Channel then the Sound will
|
||
|
|
begin playing immediately.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.get_queue">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_queue</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.get_queue" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">return any Sound that is queued</span></div>
|
||
|
|
<div class="line"><span class="signature">get_queue() -> Sound</span></div>
|
||
|
|
</div>
|
||
|
|
<p>If a Sound is already queued on this channel it will be returned. Once
|
||
|
|
the queued sound begins playback it will no longer be on the queue.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.set_endevent">
|
||
|
|
<span class="sig-name descname"><span class="pre">set_endevent</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.set_endevent" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">have the channel send an event when playback stops</span></div>
|
||
|
|
<div class="line"><span class="signature">set_endevent() -> None</span></div>
|
||
|
|
<div class="line"><span class="signature">set_endevent(type) -> None</span></div>
|
||
|
|
</div>
|
||
|
|
<p>When an endevent is set for a channel, it will send an event to the
|
||
|
|
pygame queue every time a sound finishes playing on that channel (not
|
||
|
|
just the first time). Use <code class="docutils literal notranslate"><span class="pre">pygame.event.get()</span></code> to retrieve the endevent
|
||
|
|
once it's sent.</p>
|
||
|
|
<p>Note that if you called <code class="docutils literal notranslate"><span class="pre">Sound.play(n)</span></code> or <code class="docutils literal notranslate"><span class="pre">Channel.play(sound,n)</span></code>,
|
||
|
|
the end event is sent only once: after the sound has been played "n+1"
|
||
|
|
times (see the documentation of Sound.play).</p>
|
||
|
|
<p>If <code class="docutils literal notranslate"><span class="pre">Channel.stop()</span></code> or <code class="docutils literal notranslate"><span class="pre">Channel.play()</span></code> is called while the sound was
|
||
|
|
still playing, the event will be posted immediately.</p>
|
||
|
|
<p>The type argument will be the event id sent to the queue. This can be any
|
||
|
|
valid event type, but a good choice would be a value between
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">pygame.locals.USEREVENT</span></code> and <code class="docutils literal notranslate"><span class="pre">pygame.locals.NUMEVENTS</span></code>. If no type
|
||
|
|
argument is given then the Channel will stop sending endevents.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
<dl class="py method definition">
|
||
|
|
<dt class="sig sig-object py title" id="pygame.mixer.Channel.get_endevent">
|
||
|
|
<span class="sig-name descname"><span class="pre">get_endevent</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#pygame.mixer.Channel.get_endevent" title="Permalink to this definition">¶</a></dt>
|
||
|
|
<dd><div class="line-block">
|
||
|
|
<div class="line"><span class="summaryline">get the event a channel sends when playback stops</span></div>
|
||
|
|
<div class="line"><span class="signature">get_endevent() -> type</span></div>
|
||
|
|
</div>
|
||
|
|
<p>Returns the event type to be sent every time the Channel finishes
|
||
|
|
playback of a Sound. If there is no endevent the function returns
|
||
|
|
<code class="docutils literal notranslate"><span class="pre">pygame.NOEVENT</span></code>.</p>
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
</dd></dl>
|
||
|
|
|
||
|
|
</section>
|
||
|
|
|
||
|
|
|
||
|
|
<br /><br />
|
||
|
|
<hr />
|
||
|
|
<a href="https://github.com/pygame/pygame/edit/main/docs/reST/ref\mixer.rst" rel="nofollow">Edit on GitHub</a>
|
||
|
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<div class="clearer"></div>
|
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