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Module pyaudio
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<!-- ==================== 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 ==================== -->
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<span class="table-header">Classes</span></td>
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<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>
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<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>
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<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>.)
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<!-- ==================== FUNCTIONS ==================== -->
<a name="section-Functions"></a>
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<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>
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<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">
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<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>
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<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>
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<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>
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</td>
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<!-- ==================== VARIABLES ==================== -->
<a name="section-Variables"></a>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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