<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html><head><title> Allegro Manual: Mixer routines </title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta http-equiv="Content-Style-Type" content="text/css"> <link rel="stylesheet" title="Default" type="text/css" href="allegro.css"></head><body bgcolor=white text=black link="#0000ee" alink="#ff0000" vlink="#551a8b"> <h1><a name="Mixer routines">Mixer routines</a></h1> <ul> <li><a href="#get_mixer_bits">get_mixer_bits</a> — Returns the mixer bit depth (8 or 16). <li><a href="#get_mixer_buffer_length">get_mixer_buffer_length</a> — Returns the number of samples per channel in the mixer buffer. <li><a href="#get_mixer_channels">get_mixer_channels</a> — Returns the number of output channels. <li><a href="#get_mixer_frequency">get_mixer_frequency</a> — Returns the mixer frequency, in Hz. <li><a href="#get_mixer_quality">get_mixer_quality</a> — Returns the current mixing quality. <li><a href="#get_mixer_voices">get_mixer_voices</a> — Returns the number of voices allocated to the mixer. <li><a href="#set_mixer_quality">set_mixer_quality</a> — Sets the resampling quality of the mixer. </ul> <p><br> <div class="al-api"><b>void <a name="set_mixer_quality">set_mixer_quality</a>(int quality);</b></div><br> Sets the resampling quality of the mixer. Valid values are the same as the <tt>`quality'</tt> config variable. Please read chapter "Standard config variables" for details. You can call this function at any point in your program, even before allegro_init(). <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="#get_mixer_quality" title="Returns the current mixing quality.">get_mixer_quality</a>, <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_quality">get_mixer_quality</a>(void);</b></div><br> Returns the current mixing quality, as specified by the <tt>`quality'</tt> config variable, or a previous call to set_mixer_quality(). <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="#set_mixer_quality" title="Sets the resampling quality of the mixer.">set_mixer_quality</a>, <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_frequency">get_mixer_frequency</a>(void);</b></div><br> Returns the mixer frequency, in Hz. <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_bits">get_mixer_bits</a>(void);</b></div><br> Returns the mixer bit depth (8 or 16). <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_channels">get_mixer_channels</a>(void);</b></div><br> Returns the number of output channels. 2 for stereo, 1 for mono, 0 if the mixer isn't active. <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_voices">get_mixer_voices</a>(void);</b></div><br> Returns the number of voices allocated to the mixer. <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="alleg024.html#reserve_voices" title="Reserve a number of voices for the digital and MIDI drivers.">reserve_voices</a>.</blockquote> <div class="al-api"><b>int <a name="get_mixer_buffer_length">get_mixer_buffer_length</a>(void);</b></div><br> Returns the number of samples per channel in the mixer buffer. <blockquote class="xref"><em><b>See also:</b></em> <a class="xref" href="alleg003.html#Standard config variables" title="">Standard config variables</a>.</blockquote> <hr><div class="al-back-to-contents"><a href="allegro.html">Back to contents</a></div> </body> </html>
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