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<title>GNU Radio 3.3.0 C++ API: gr_io_signature.h File Reference</title>
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<h1>gr_io_signature.h File Reference</h1><code>#include <<a class="el" href="gr__runtime__types_8h_source.html">gr_runtime_types.h</a>></code><br/>
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Include dependency graph for gr_io_signature.h:</div>
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This graph shows which files directly or indirectly include this file:</div>
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<p><a href="gr__io__signature_8h_source.html">Go to the source code of this file.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__io__signature.html">gr_io_signature</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">i/o signature for input and output ports. <a href="classgr__io__signature.html#_details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__internal.html#ga1fbae03d2f3546a3768cab55cc5f986c">gr_make_io_signature</a> (int min_streams, int max_streams, int sizeof_stream_item)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an i/o signature. <a href="group__internal.html#ga1fbae03d2f3546a3768cab55cc5f986c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__io__signature_8h.html#a878d8f330140c11f2ccf9d42570d9df0">gr_make_io_signature2</a> (int min_streams, int max_streams, int sizeof_stream_item1, int sizeof_stream_item2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an i/o signature. <a href="#a878d8f330140c11f2ccf9d42570d9df0"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__io__signature_8h.html#a11e62b8132ae19fd5e3172065f73d490">gr_make_io_signature3</a> (int min_streams, int max_streams, int sizeof_stream_item1, int sizeof_stream_item2, int sizeof_stream_item3)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an i/o signature. <a href="#a11e62b8132ae19fd5e3172065f73d490"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__io__signature_8h.html#a80eeff275639913a51cc4d8b07859a92">gr_make_io_signaturev</a> (int min_streams, int max_streams, const <a class="el" href="classstd_1_1vector.html">std::vector</a>< int > &sizeof_stream_items)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create an i/o signature. <a href="#a80eeff275639913a51cc4d8b07859a92"></a><br/></td></tr>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a878d8f330140c11f2ccf9d42570d9df0"></a><!-- doxytag: member="gr_io_signature.h::gr_make_io_signature2" ref="a878d8f330140c11f2ccf9d42570d9df0" args="(int min_streams, int max_streams, int sizeof_stream_item1, int sizeof_stream_item2)" -->
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<td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> gr_make_io_signature2 </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>min_streams</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>max_streams</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>sizeof_stream_item1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>sizeof_stream_item2</em></td><td> </td>
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<td></td>
<td>)</td>
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<p>Create an i/o signature. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>min_streams</em> </td><td>specify minimum number of streams (>= 0) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max_streams</em> </td><td>specify maximum number of streams (>= min_streams or -1 -> infinite) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_item1</em> </td><td>specify the size of the items in the first stream </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_item2</em> </td><td>specify the size of the items in the second and subsequent streams </td></tr>
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<a class="anchor" id="a11e62b8132ae19fd5e3172065f73d490"></a><!-- doxytag: member="gr_io_signature.h::gr_make_io_signature3" ref="a11e62b8132ae19fd5e3172065f73d490" args="(int min_streams, int max_streams, int sizeof_stream_item1, int sizeof_stream_item2, int sizeof_stream_item3)" -->
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<td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> gr_make_io_signature3 </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>min_streams</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>max_streams</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>sizeof_stream_item1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>sizeof_stream_item2</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>sizeof_stream_item3</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
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<div class="memdoc">
<p>Create an i/o signature. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>min_streams</em> </td><td>specify minimum number of streams (>= 0) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max_streams</em> </td><td>specify maximum number of streams (>= min_streams or -1 -> infinite) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_item1</em> </td><td>specify the size of the items in the first stream </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_item2</em> </td><td>specify the size of the items in the second stream </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_item3</em> </td><td>specify the size of the items in the third and subsequent streams </td></tr>
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</dd>
</dl>
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<a class="anchor" id="a80eeff275639913a51cc4d8b07859a92"></a><!-- doxytag: member="gr_io_signature.h::gr_make_io_signaturev" ref="a80eeff275639913a51cc4d8b07859a92" args="(int min_streams, int max_streams, const std::vector< int > &sizeof_stream_items)" -->
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<td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> gr_make_io_signaturev </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>min_streams</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>max_streams</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< int > & </td>
<td class="paramname"> <em>sizeof_stream_items</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
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<div class="memdoc">
<p>Create an i/o signature. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>min_streams</em> </td><td>specify minimum number of streams (>= 0) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>max_streams</em> </td><td>specify maximum number of streams (>= min_streams or -1 -> infinite) </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sizeof_stream_items</em> </td><td>specify the size of the items in the streams</td></tr>
</table>
</dd>
</dl>
<p>If there are more streams than there are entries in sizeof_stream_items, the value of the last entry in sizeof_stream_items is used for the missing values. sizeof_stream_items must contain at least 1 entry. </p>
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