<?xml version="1.0" encoding="ascii"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>pyaudio</title> <link rel="stylesheet" href="epydoc.css" type="text/css" /> <script type="text/javascript" src="epydoc.js"></script> </head> <body bgcolor="white" text="black" link="blue" vlink="#204080" alink="#204080"> <!-- ==================== NAVIGATION BAR ==================== --> <table class="navbar" border="0" width="100%" cellpadding="0" bgcolor="#a0c0ff" cellspacing="0"> <tr valign="middle"> <!-- Home link --> <th bgcolor="#70b0f0" class="navbar-select" > Home </th> <!-- Tree link --> <th> <a href="module-tree.html">Trees</a> </th> <!-- Index link --> <th> <a href="identifier-index.html">Indices</a> </th> <!-- Help link --> <th> <a href="help.html">Help</a> </th> <!-- Project homepage --> <th class="navbar" align="right" width="100%"> <table border="0" cellpadding="0" cellspacing="0"> <tr><th class="navbar" align="center" ><a class="navbar" target="_top" href="http://people.csail.mit.edu/hubert/pyaudio/">PyAudio-0.2.4</a></th> </tr></table></th> </tr> </table> <table width="100%" cellpadding="0" cellspacing="0"> <tr valign="top"> <td width="100%"> <span class="breadcrumbs"> Module pyaudio </span> </td> <td> <table cellpadding="0" cellspacing="0"> <!-- hide/show private --> <tr><td align="right"><span class="options" >[<a href="frames.html" target="_top">frames</a >] | <a href="pyaudio-module.html" target="_top">no frames</a>]</span></td></tr> </table> </td> </tr> </table> <!-- ==================== MODULE DESCRIPTION ==================== --> <h1 class="epydoc">Module pyaudio</h1><p class="nomargin-top"><span class="codelink"><a href="pyaudio-pysrc.html">source code</a></span></p> <p>PyAudio : Python Bindings for PortAudio v19.</p> <p><strong>These bindings only support PortAudio blocking mode.</strong></p> <hr /> <div class="fields"> <p><strong>Version:</strong> 0.2.4 </p> <p><strong>Author:</strong> Hubert Pham </p> </div><!-- ==================== CLASSES ==================== --> <a name="section-Classes"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td align="left" colspan="2" class="table-header"> <span class="table-header">Classes</span></td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio.Stream-class.html" class="summary-name">Stream</a><br /> PortAudio Stream Wrapper. Use <a href="pyaudio.PyAudio-class.html#open" class="link">PyAudio.open</a> to make a new <a href="pyaudio.Stream-class.html" class="link">Stream</a>. </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio.PyAudio-class.html" class="summary-name">PyAudio</a><br /> initialize and terminate PortAudio </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio.PaMacCoreStreamInfo-class.html" class="summary-name">PaMacCoreStreamInfo</a><br /> Mac OS X-only: PaMacCoreStreamInfo is a PortAudio Host API Specific Stream Info data structure for specifying Mac OS X-only settings. Instantiate this class (if desired) and pass the instance as the argument in <a href="pyaudio.PyAudio-class.html#open" class="link">PyAudio.open</a> to parameters <tt class="rst-rst-docutils literal rst-docutils literal">input_host_api_specific_stream_info</tt> or <tt class="rst-rst-docutils literal rst-docutils literal">output_host_api_specific_stream_info</tt>. (See <a href="pyaudio.Stream-class.html#__init__" class="link">Stream.__init__</a>.) </td> </tr> </table> <!-- ==================== FUNCTIONS ==================== --> <a name="section-Functions"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td align="left" colspan="2" class="table-header"> <span class="table-header">Functions</span></td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > Stream Conversion Convenience Functions</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type">int</span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a href="pyaudio-module.html#get_sample_size" class="summary-sig-name">get_sample_size</a>(<span class="summary-sig-arg">format</span>)</span><br /> Returns the size (in bytes) for the specified sample <code class="link">format</code> (a <a href="pyaudio-module.html#PaSampleFormat" class="link">PaSampleFormat</a> constant).</td> <td align="right" valign="top"> <span class="codelink"><a href="pyaudio-pysrc.html#get_sample_size">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"><a href="pyaudio-module.html#PaSampleFormat" class="link">PaSampleFormat</a></span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a href="pyaudio-module.html#get_format_from_width" class="summary-sig-name">get_format_from_width</a>(<span class="summary-sig-arg">width</span>, <span class="summary-sig-arg">unsigned</span>=<span class="summary-sig-default">True</span>)</span><br /> Returns a PortAudio format constant for the specified <code class="link">width</code>.</td> <td align="right" valign="top"> <span class="codelink"><a href="pyaudio-pysrc.html#get_format_from_width">source code</a></span> </td> </tr> </table> </td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > PortAudio version</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type">str</span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="get_portaudio_version"></a><span class="summary-sig-name">get_portaudio_version</span>()</span><br /> Returns portaudio version.</td> <td align="right" valign="top"> <span class="codelink"><a href="pyaudio-pysrc.html#get_portaudio_version">source code</a></span> </td> </tr> </table> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type">str</span> </td><td class="summary"> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr> <td><span class="summary-sig"><a name="get_portaudio_version_text"></a><span class="summary-sig-name">get_portaudio_version_text</span>()</span><br /> Returns PortAudio version as a text string.</td> <td align="right" valign="top"> <span class="codelink"><a href="pyaudio-pysrc.html#get_portaudio_version_text">source code</a></span> </td> </tr> </table> </td> </tr> </table> <!-- ==================== VARIABLES ==================== --> <a name="section-Variables"></a> <table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td align="left" colspan="2" class="table-header"> <span class="table-header">Variables</span></td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paMacCoreStreamInfo"></a><span class="summary-name">paMacCoreStreamInfo</span> = <code title="pa.paMacCoreStreamInfo">pa.paMacCoreStreamInfo</code> </td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > PortAudio Constants</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#PaSampleFormat" class="summary-name">PaSampleFormat</a> = <code title="['paFloat32', 'paInt32', 'paInt24', 'paInt16', 'paInt8', 'paUInt8', 'p\ aCustomFormat']">['paFloat32', 'paInt32', 'paInt24', 'paInt16'<code class="variable-ellipsis">...</code></code><br /> A list of all PortAudio <tt class="rst-docutils literal">PaSampleFormat</tt> value constants. </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#PaHostApiTypeId" class="summary-name">PaHostApiTypeId</a> = <code title="['paInDevelopment', 'paDirectSound', 'paMME', 'paASIO', 'paSoundManage\ r', 'paCoreAudio', 'paOSS', 'paALSA', 'paAL', 'paBeOS', 'paWDMKS', 'pa\ JACK', 'paWASAPI', 'paNoDevice']">['paInDevelopment', 'paDirectSound', 'paMME'<code class="variable-ellipsis">...</code></code><br /> A list of all PortAudio <tt class="rst-docutils literal">PaHostApiTypeId</tt> constants. </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#PaErrorCode" class="summary-name">PaErrorCode</a> = <code title="['paNoError', 'paNotInitialized', 'paUnanticipatedHostError', 'paInval\ idChannelCount', 'paInvalidSampleRate', 'paInvalidDevice', 'paInvalidF\ lag', 'paSampleFormatNotSupported', 'paBadIODeviceCombination', 'paIns\ ufficientMemory', 'paBufferTooBig', 'paBufferTooSmall', 'paNullCallbac\ k', 'paBadStreamPtr', 'paTimedOut', 'paInternalError', 'paDeviceUnavai\ lable', 'paIncompatibleHostApiSpecificStreamInfo', 'paStreamIsStopped'\ , 'paStreamIsNotStopped', 'paInputOverflowed', 'paOutputUnderflowed', \ 'paHostApiNotFound', 'paInvalidHostApi', 'paCanNotReadFromACallbackStr\ ...">['paNoError', 'paNotInitialized', 'paUnanticipat<code class="variable-ellipsis">...</code></code><br /> A list of all PortAudio <tt class="rst-docutils literal">PaErrorCode</tt> constants. Typically, error code constants are included in Python exception objects (as the second argument). </td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > PaSampleFormat Values</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paFloat32"></a><span class="summary-name">paFloat32</span> = <code title="pa.paFloat32">pa.paFloat32</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInt32"></a><span class="summary-name">paInt32</span> = <code title="pa.paInt32">pa.paInt32</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInt24"></a><span class="summary-name">paInt24</span> = <code title="pa.paInt24">pa.paInt24</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInt16"></a><span class="summary-name">paInt16</span> = <code title="pa.paInt16">pa.paInt16</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInt8"></a><span class="summary-name">paInt8</span> = <code title="pa.paInt8">pa.paInt8</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paUInt8"></a><span class="summary-name">paUInt8</span> = <code title="pa.paUInt8">pa.paUInt8</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paCustomFormat"></a><span class="summary-name">paCustomFormat</span> = <code title="pa.paCustomFormat">pa.paCustomFormat</code> </td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > PaHostApiTypeId Values</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInDevelopment"></a><span class="summary-name">paInDevelopment</span> = <code title="pa.paInDevelopment">pa.paInDevelopment</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paDirectSound"></a><span class="summary-name">paDirectSound</span> = <code title="pa.paDirectSound">pa.paDirectSound</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paMME"></a><span class="summary-name">paMME</span> = <code title="pa.paMME">pa.paMME</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paASIO"></a><span class="summary-name">paASIO</span> = <code title="pa.paASIO">pa.paASIO</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paSoundManager"></a><span class="summary-name">paSoundManager</span> = <code title="pa.paSoundManager">pa.paSoundManager</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paCoreAudio"></a><span class="summary-name">paCoreAudio</span> = <code title="pa.paCoreAudio">pa.paCoreAudio</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paOSS"></a><span class="summary-name">paOSS</span> = <code title="pa.paOSS">pa.paOSS</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paALSA"></a><span class="summary-name">paALSA</span> = <code title="pa.paALSA">pa.paALSA</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paAL"></a><span class="summary-name">paAL</span> = <code title="pa.paAL">pa.paAL</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paBeOS"></a><span class="summary-name">paBeOS</span> = <code title="pa.paBeOS">pa.paBeOS</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paWDMKS"></a><span class="summary-name">paWDMKS</span> = <code title="pa.paWDMKS">pa.paWDMKS</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paJACK"></a><span class="summary-name">paJACK</span> = <code title="pa.paJACK">pa.paJACK</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paWASAPI"></a><span class="summary-name">paWASAPI</span> = <code title="pa.paWASAPI">pa.paWASAPI</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paNoDevice"></a><span class="summary-name">paNoDevice</span> = <code title="pa.paNoDevice">pa.paNoDevice</code> </td> </tr> <tr bgcolor="#e8f0f8" > <th colspan="2" class="group-header" > PaErrorCode Values</th></tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paNoError"></a><span class="summary-name">paNoError</span> = <code title="pa.paNoError">pa.paNoError</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paNotInitialized"></a><span class="summary-name">paNotInitialized</span> = <code title="pa.paNotInitialized">pa.paNotInitialized</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paUnanticipatedHostError"></a><span class="summary-name">paUnanticipatedHostError</span> = <code title="pa.paUnanticipatedHostError">pa.paUnanticipatedHostError</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInvalidChannelCount"></a><span class="summary-name">paInvalidChannelCount</span> = <code title="pa.paInvalidChannelCount">pa.paInvalidChannelCount</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInvalidSampleRate"></a><span class="summary-name">paInvalidSampleRate</span> = <code title="pa.paInvalidSampleRate">pa.paInvalidSampleRate</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInvalidDevice"></a><span class="summary-name">paInvalidDevice</span> = <code title="pa.paInvalidDevice">pa.paInvalidDevice</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInvalidFlag"></a><span class="summary-name">paInvalidFlag</span> = <code title="pa.paInvalidFlag">pa.paInvalidFlag</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paSampleFormatNotSupported"></a><span class="summary-name">paSampleFormatNotSupported</span> = <code title="pa.paSampleFormatNotSupported">pa.paSampleFormatNotSupported</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paBadIODeviceCombination"></a><span class="summary-name">paBadIODeviceCombination</span> = <code title="pa.paBadIODeviceCombination">pa.paBadIODeviceCombination</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInsufficientMemory"></a><span class="summary-name">paInsufficientMemory</span> = <code title="pa.paInsufficientMemory">pa.paInsufficientMemory</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paBufferTooBig"></a><span class="summary-name">paBufferTooBig</span> = <code title="pa.paBufferTooBig">pa.paBufferTooBig</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paBufferTooSmall"></a><span class="summary-name">paBufferTooSmall</span> = <code title="pa.paBufferTooSmall">pa.paBufferTooSmall</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paNullCallback"></a><span class="summary-name">paNullCallback</span> = <code title="pa.paNullCallback">pa.paNullCallback</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paBadStreamPtr"></a><span class="summary-name">paBadStreamPtr</span> = <code title="pa.paBadStreamPtr">pa.paBadStreamPtr</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paTimedOut"></a><span class="summary-name">paTimedOut</span> = <code title="pa.paTimedOut">pa.paTimedOut</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInternalError"></a><span class="summary-name">paInternalError</span> = <code title="pa.paInternalError">pa.paInternalError</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paDeviceUnavailable"></a><span class="summary-name">paDeviceUnavailable</span> = <code title="pa.paDeviceUnavailable">pa.paDeviceUnavailable</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#paIncompatibleHostApiSpecificStreamInfo" class="summary-name">paIncompatibleHostApiSpecificStreamInfo</a> = <code title="pa.paIncompatibleHostApiSpecificStreamInfo">pa.paIncompatibleHos<code class="variable-ellipsis">...</code></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paStreamIsStopped"></a><span class="summary-name">paStreamIsStopped</span> = <code title="pa.paStreamIsStopped">pa.paStreamIsStopped</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paStreamIsNotStopped"></a><span class="summary-name">paStreamIsNotStopped</span> = <code title="pa.paStreamIsNotStopped">pa.paStreamIsNotStopped</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInputOverflowed"></a><span class="summary-name">paInputOverflowed</span> = <code title="pa.paInputOverflowed">pa.paInputOverflowed</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paOutputUnderflowed"></a><span class="summary-name">paOutputUnderflowed</span> = <code title="pa.paOutputUnderflowed">pa.paOutputUnderflowed</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paHostApiNotFound"></a><span class="summary-name">paHostApiNotFound</span> = <code title="pa.paHostApiNotFound">pa.paHostApiNotFound</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paInvalidHostApi"></a><span class="summary-name">paInvalidHostApi</span> = <code title="pa.paInvalidHostApi">pa.paInvalidHostApi</code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#paCanNotReadFromACallbackStream" class="summary-name">paCanNotReadFromACallbackStream</a> = <code title="pa.paCanNotReadFromACallbackStream">pa.paCanNotReadFromACallback<code class="variable-ellipsis">...</code></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#paCanNotWriteToACallbackStream" class="summary-name">paCanNotWriteToACallbackStream</a> = <code title="pa.paCanNotWriteToACallbackStream">pa.paCanNotWriteToACallbackSt<code class="variable-ellipsis">...</code></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#paCanNotReadFromAnOutputOnlyStream" class="summary-name">paCanNotReadFromAnOutputOnlyStream</a> = <code title="pa.paCanNotReadFromAnOutputOnlyStream">pa.paCanNotReadFromAnOutp<code class="variable-ellipsis">...</code></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a href="pyaudio-module.html#paCanNotWriteToAnInputOnlyStream" class="summary-name">paCanNotWriteToAnInputOnlyStream</a> = <code title="pa.paCanNotWriteToAnInputOnlyStream">pa.paCanNotWriteToAnInputOn<code class="variable-ellipsis">...</code></code> </td> </tr> <tr> <td width="15%" align="right" valign="top" class="summary"> <span class="summary-type"> </span> </td><td class="summary"> <a name="paIncompatibleStreamHostApi"></a><span class="summary-name">paIncompatibleStreamHostApi</span> = <code title="pa.paIncompatibleStreamHostApi">pa.paIncompatibleStreamHostApi</code> </td> </tr> </table> <!-- ==================== FUNCTION DETAILS ==================== --> <a name="section-FunctionDetails"></a> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td align="left" colspan="2" class="table-header"> <span class="table-header">Function Details</span></td> </tr> </table> <a name="get_sample_size"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr valign="top"><td> <h3 class="epydoc"><span class="sig"><span class="sig-name">get_sample_size</span>(<span class="sig-arg">format</span>)</span> </h3> </td><td align="right" valign="top" ><span class="codelink"><a href="pyaudio-pysrc.html#get_sample_size">source code</a></span> </td> </tr></table> Returns the size (in bytes) for the specified sample <code class="link">format</code> (a <a href="pyaudio-module.html#PaSampleFormat" class="link">PaSampleFormat</a> constant). <dl class="fields"> <dt>Parameters:</dt> <dd><ul class="nomargin-top"> <li><strong class="pname"><code>format</code></strong> - PortAudio sample format constant <a href="pyaudio-module.html#PaSampleFormat" class="link">PaSampleFormat</a>.</li> </ul></dd> <dt>Returns: int</dt> <dt>Raises:</dt> <dd><ul class="nomargin-top"> <li><code><strong class='fraise'>ValueError</strong></code> - Invalid specified <code class="link">format</code>.</li> </ul></dd> </dl> </td></tr></table> </div> <a name="get_format_from_width"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <table width="100%" cellpadding="0" cellspacing="0" border="0"> <tr valign="top"><td> <h3 class="epydoc"><span class="sig"><span class="sig-name">get_format_from_width</span>(<span class="sig-arg">width</span>, <span class="sig-arg">unsigned</span>=<span class="sig-default">True</span>)</span> </h3> </td><td align="right" valign="top" ><span class="codelink"><a href="pyaudio-pysrc.html#get_format_from_width">source code</a></span> </td> </tr></table> Returns a PortAudio format constant for the specified <code class="link">width</code>. <dl class="fields"> <dt>Parameters:</dt> <dd><ul class="nomargin-top"> <li><strong class="pname"><code>width</code></strong> - The desired sample width in bytes (1, 2, 3, or 4)</li> <li><strong class="pname"><code>unsigned</code></strong> - For 1 byte width, specifies signed or unsigned format.</li> </ul></dd> <dt>Returns: <a href="pyaudio-module.html#PaSampleFormat" class="link">PaSampleFormat</a></dt> <dt>Raises:</dt> <dd><ul class="nomargin-top"> <li><code><strong class='fraise'>ValueError</strong></code> - for invalid <code class="link">width</code></li> </ul></dd> </dl> </td></tr></table> </div> <br /> <!-- ==================== VARIABLES DETAILS ==================== --> <a name="section-VariablesDetails"></a> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr bgcolor="#70b0f0" class="table-header"> <td align="left" colspan="2" class="table-header"> <span class="table-header">Variables Details</span></td> </tr> </table> <a name="PaSampleFormat"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">PaSampleFormat</h3> <p>A list of all PortAudio <tt class="rst-rst-docutils literal rst-docutils literal">PaSampleFormat</tt> value constants.</p> <p>See: <a href="pyaudio-module.html#paInt32" class="link">paInt32</a>, <a href="pyaudio-module.html#paInt24" class="link">paInt24</a>, <a href="pyaudio-module.html#paInt16" class="link">paInt16</a>, <a href="pyaudio-module.html#paInt8" class="link">paInt8</a>, and <a href="pyaudio-module.html#paUInt8" class="link">paUInt8</a>.</p> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> ['paFloat32', 'paInt32', 'paInt24', 'paInt16', 'paInt8', 'paUInt8', 'p<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> aCustomFormat'] </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="PaHostApiTypeId"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">PaHostApiTypeId</h3> <p>A list of all PortAudio <tt class="rst-rst-docutils literal rst-docutils literal">PaHostApiTypeId</tt> constants.</p> <p>See: <a href="pyaudio-module.html#paInDevelopment" class="link">paInDevelopment</a>, <a href="pyaudio-module.html#paDirectSound" class="link">paDirectSound</a>, <a href="pyaudio-module.html#paMME" class="link">paMME</a>, <a href="pyaudio-module.html#paASIO" class="link">paASIO</a>, <a href="pyaudio-module.html#paSoundManager" class="link">paSoundManager</a>, <a href="pyaudio-module.html#paCoreAudio" class="link">paCoreAudio</a>, <a href="pyaudio-module.html#paOSS" class="link">paOSS</a>, <a href="pyaudio-module.html#paALSA" class="link">paALSA</a>, <a href="pyaudio-module.html#paAL" class="link">paAL</a>, <em>et al...</em></p> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> ['paInDevelopment', 'paDirectSound', 'paMME', 'paASIO', 'paSoundManage<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> r', 'paCoreAudio', 'paOSS', 'paALSA', 'paAL', 'paBeOS', 'paWDMKS', 'pa<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> JACK', 'paWASAPI', 'paNoDevice'] </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="PaErrorCode"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">PaErrorCode</h3> <p>A list of all PortAudio <tt class="rst-rst-docutils literal rst-docutils literal">PaErrorCode</tt> constants. Typically, error code constants are included in Python exception objects (as the second argument).</p> <p>See: <a href="pyaudio-module.html#paNoError" class="link">paNoError</a>, <a href="pyaudio-module.html#paNotInitialized" class="link">paNotInitialized</a>, <a href="pyaudio-module.html#paUnanticipatedHostError" class="link">paUnanticipatedHostError</a>, <em>et al...</em></p> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> ['paNoError', 'paNotInitialized', 'paUnanticipatedHostError', 'paInval<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> idChannelCount', 'paInvalidSampleRate', 'paInvalidDevice', 'paInvalidF<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> lag', 'paSampleFormatNotSupported', 'paBadIODeviceCombination', 'paIns<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> ufficientMemory', 'paBufferTooBig', 'paBufferTooSmall', 'paNullCallbac<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> k', 'paBadStreamPtr', 'paTimedOut', 'paInternalError', 'paDeviceUnavai<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> lable', 'paIncompatibleHostApiSpecificStreamInfo', 'paStreamIsStopped'<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> , 'paStreamIsNotStopped', 'paInputOverflowed', 'paOutputUnderflowed', <span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> 'paHostApiNotFound', 'paInvalidHostApi', 'paCanNotReadFromACallbackStr<span class="variable-linewrap"><img src="crarr.png" alt="\" /></span> <code class="variable-ellipsis">...</code> </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="paIncompatibleHostApiSpecificStreamInfo"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">paIncompatibleHostApiSpecificStreamInfo</h3> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> pa.paIncompatibleHostApiSpecificStreamInfo </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="paCanNotReadFromACallbackStream"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">paCanNotReadFromACallbackStream</h3> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> pa.paCanNotReadFromACallbackStream </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="paCanNotWriteToACallbackStream"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">paCanNotWriteToACallbackStream</h3> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> pa.paCanNotWriteToACallbackStream </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="paCanNotReadFromAnOutputOnlyStream"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">paCanNotReadFromAnOutputOnlyStream</h3> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> pa.paCanNotReadFromAnOutputOnlyStream </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <a name="paCanNotWriteToAnInputOnlyStream"></a> <div> <table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white"> <tr><td> <h3 class="epydoc">paCanNotWriteToAnInputOnlyStream</h3> <dl class="fields"> </dl> <dl class="fields"> <dt>Value:</dt> <dd><table><tr><td><pre class="variable"> pa.paCanNotWriteToAnInputOnlyStream </pre></td></tr></table> </dd> </dl> </td></tr></table> </div> <br /> <!-- ==================== NAVIGATION BAR ==================== --> <table class="navbar" border="0" width="100%" 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