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<div class="title">Format Mask Functions<div class="ingroups"><a class="el" href="group___p_c_m.html">PCM Interface</a></div></div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:gadee8697e8c4f7fc018603fbcbd0a4b31"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#gadee8697e8c4f7fc018603fbcbd0a4b31">snd_pcm_format_mask_alloca</a>(<a class="el" href="seq__event_8h.html#add9af9569af79ec26dd741fb226b38ba">ptr</a>)</td></tr>
<tr class="memdesc:gadee8697e8c4f7fc018603fbcbd0a4b31"><td class="mdescLeft"> </td><td class="mdescRight">allocate an empty <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> using standard alloca <a href="#gadee8697e8c4f7fc018603fbcbd0a4b31">More...</a><br /></td></tr>
<tr class="separator:gadee8697e8c4f7fc018603fbcbd0a4b31"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gaf260158e21491d2dfff62aa2b2ff06d1"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#gaf260158e21491d2dfff62aa2b2ff06d1">snd_pcm_format_mask_sizeof</a> (void)</td></tr>
<tr class="memdesc:gaf260158e21491d2dfff62aa2b2ff06d1"><td class="mdescLeft"> </td><td class="mdescRight">get size of <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#gaf260158e21491d2dfff62aa2b2ff06d1">More...</a><br /></td></tr>
<tr class="separator:gaf260158e21491d2dfff62aa2b2ff06d1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gace20f58f4a93c39b006fd13bfd642da5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#gace20f58f4a93c39b006fd13bfd642da5">snd_pcm_format_mask_malloc</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> **<a class="el" href="seq__event_8h.html#add9af9569af79ec26dd741fb226b38ba">ptr</a>)</td></tr>
<tr class="memdesc:gace20f58f4a93c39b006fd13bfd642da5"><td class="mdescLeft"> </td><td class="mdescRight">allocate an empty <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> using standard malloc <a href="#gace20f58f4a93c39b006fd13bfd642da5">More...</a><br /></td></tr>
<tr class="separator:gace20f58f4a93c39b006fd13bfd642da5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga3a8b2f75bcf9e2b33602297123a6f3b9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga3a8b2f75bcf9e2b33602297123a6f3b9">snd_pcm_format_mask_free</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *obj)</td></tr>
<tr class="memdesc:ga3a8b2f75bcf9e2b33602297123a6f3b9"><td class="mdescLeft"> </td><td class="mdescRight">frees a previously allocated <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#ga3a8b2f75bcf9e2b33602297123a6f3b9">More...</a><br /></td></tr>
<tr class="separator:ga3a8b2f75bcf9e2b33602297123a6f3b9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5fa45349fe88454faac051f476629174"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga5fa45349fe88454faac051f476629174">snd_pcm_format_mask_copy</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *dst, const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *src)</td></tr>
<tr class="memdesc:ga5fa45349fe88454faac051f476629174"><td class="mdescLeft"> </td><td class="mdescRight">copy one <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> to another <a href="#ga5fa45349fe88454faac051f476629174">More...</a><br /></td></tr>
<tr class="separator:ga5fa45349fe88454faac051f476629174"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga42342f7e5dd7c1c8401482d8db9c1013"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga42342f7e5dd7c1c8401482d8db9c1013">snd_pcm_format_mask_none</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask)</td></tr>
<tr class="memdesc:ga42342f7e5dd7c1c8401482d8db9c1013"><td class="mdescLeft"> </td><td class="mdescRight">reset all bits in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#ga42342f7e5dd7c1c8401482d8db9c1013">More...</a><br /></td></tr>
<tr class="separator:ga42342f7e5dd7c1c8401482d8db9c1013"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga56f394e000ea4aadf73d1fb97fd994cd"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga56f394e000ea4aadf73d1fb97fd994cd">snd_pcm_format_mask_any</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask)</td></tr>
<tr class="memdesc:ga56f394e000ea4aadf73d1fb97fd994cd"><td class="mdescLeft"> </td><td class="mdescRight">set all bits in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#ga56f394e000ea4aadf73d1fb97fd994cd">More...</a><br /></td></tr>
<tr class="separator:ga56f394e000ea4aadf73d1fb97fd994cd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaecb1d19be63a1b18456300eb4d07a8a0"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#gaecb1d19be63a1b18456300eb4d07a8a0">snd_pcm_format_mask_test</a> (const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> val)</td></tr>
<tr class="memdesc:gaecb1d19be63a1b18456300eb4d07a8a0"><td class="mdescLeft"> </td><td class="mdescRight">test the presence of a format in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#gaecb1d19be63a1b18456300eb4d07a8a0">More...</a><br /></td></tr>
<tr class="separator:gaecb1d19be63a1b18456300eb4d07a8a0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa942122189c757a1178749cebeb73d48"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#gaa942122189c757a1178749cebeb73d48">snd_pcm_format_mask_empty</a> (const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask)</td></tr>
<tr class="memdesc:gaa942122189c757a1178749cebeb73d48"><td class="mdescLeft"> </td><td class="mdescRight">test, if given a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> is empty <a href="#gaa942122189c757a1178749cebeb73d48">More...</a><br /></td></tr>
<tr class="separator:gaa942122189c757a1178749cebeb73d48"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga03fa8dcc8da3dbecc164143b43d40056"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga03fa8dcc8da3dbecc164143b43d40056">snd_pcm_format_mask_set</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> val)</td></tr>
<tr class="memdesc:ga03fa8dcc8da3dbecc164143b43d40056"><td class="mdescLeft"> </td><td class="mdescRight">make a format present in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#ga03fa8dcc8da3dbecc164143b43d40056">More...</a><br /></td></tr>
<tr class="separator:ga03fa8dcc8da3dbecc164143b43d40056"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga60cdd13f69735c11cfaa0856b0f25a3e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___p_c_m___format.html#ga60cdd13f69735c11cfaa0856b0f25a3e">snd_pcm_format_mask_reset</a> (<a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> *mask, <a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> val)</td></tr>
<tr class="memdesc:ga60cdd13f69735c11cfaa0856b0f25a3e"><td class="mdescLeft"> </td><td class="mdescRight">make a format missing from a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> <a href="#ga60cdd13f69735c11cfaa0856b0f25a3e">More...</a><br /></td></tr>
<tr class="separator:ga60cdd13f69735c11cfaa0856b0f25a3e"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>See the <a class="el" href="pcm.html">PCM (digital audio) interface</a> page for more details. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="gadee8697e8c4f7fc018603fbcbd0a4b31"></a>
<div class="memitem">
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<td class="memname">#define snd_pcm_format_mask_alloca</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><a class="el" href="seq__event_8h.html#add9af9569af79ec26dd741fb226b38ba">ptr</a></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>allocate an empty <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> using standard alloca </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ptr</td><td>returned pointer </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga56f394e000ea4aadf73d1fb97fd994cd"></a>
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<div class="memproto">
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<td class="memname">void snd_pcm_format_mask_any </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>set all bits in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga5fa45349fe88454faac051f476629174"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void snd_pcm_format_mask_copy </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>dst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>src</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>copy one <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> to another </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dst</td><td>pointer to destination </td></tr>
<tr><td class="paramname">src</td><td>pointer to source </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gaa942122189c757a1178749cebeb73d48"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">int snd_pcm_format_mask_empty </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em></td><td>)</td>
<td></td>
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</div><div class="memdoc">
<p>test, if given a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> is empty </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">0</td><td>not empty </td></tr>
<tr><td class="paramname">1</td><td>empty </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga3a8b2f75bcf9e2b33602297123a6f3b9"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void snd_pcm_format_mask_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>obj</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>frees a previously allocated <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">obj</td><td>pointer to object to free </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gace20f58f4a93c39b006fd13bfd642da5"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">int snd_pcm_format_mask_malloc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> ** </td>
<td class="paramname"><em>ptr</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>allocate an empty <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> using standard malloc </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ptr</td><td>returned pointer </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success otherwise negative error code </dd></dl>
</div>
</div>
<a class="anchor" id="ga42342f7e5dd7c1c8401482d8db9c1013"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void snd_pcm_format_mask_none </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>reset all bits in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga60cdd13f69735c11cfaa0856b0f25a3e"></a>
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<td class="memname">void snd_pcm_format_mask_reset </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> </td>
<td class="paramname"><em>val</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>make a format missing from a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
<tr><td class="paramname">val</td><td>format </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ga03fa8dcc8da3dbecc164143b43d40056"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void snd_pcm_format_mask_set </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> </td>
<td class="paramname"><em>val</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>make a format present in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
<tr><td class="paramname">val</td><td>format </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="gaf260158e21491d2dfff62aa2b2ff06d1"></a>
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<div class="memproto">
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<td class="memname">size_t snd_pcm_format_mask_sizeof </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>get size of <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="section return"><dt>Returns</dt><dd>size in bytes </dd></dl>
</div>
</div>
<a class="anchor" id="gaecb1d19be63a1b18456300eb4d07a8a0"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int snd_pcm_format_mask_test </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> * </td>
<td class="paramname"><em>mask</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group___p_c_m.html#gaa14b7f26877a812acbb39811364177f8">snd_pcm_format_t</a> </td>
<td class="paramname"><em>val</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>test the presence of a format in a <a class="el" href="group___p_c_m.html#ga0936aa9ac0051a3611583a2740915545">snd_pcm_format_mask_t</a> </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">mask</td><td>pointer to mask </td></tr>
<tr><td class="paramname">val</td><td>format </td></tr>
</table>
</dd>
</dl>
</div>
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