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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>libkate: Granule calculations</title>
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<h1>Granule calculations</h1><hr><a name="_details"></a><h2>Detailed Description</h2>
<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#ge265915dec153797580ab25cc4d12762">kate_granule_shift</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">kate_int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#g39a421f2d4da4e657a35328d9154290f">kate_time_granule</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki, kate_float base, kate_float offset)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#g8a77ab382e5469b1ef4e6ee5088e0ba7">kate_granule_split_time</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki, kate_int64_t granulepos, kate_float *base, kate_float *offset)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">kate_float </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#g22c52f60e9bfe21611e36b8e49db75b2">kate_granule_time</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki, kate_int64_t granulepos)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">kate_int64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#g97968d326ab6e2d78ac46fbb0e825f44">kate_duration_granule</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki, kate_float duration)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">kate_float </td><td class="memItemRight" valign="bottom"><a class="el" href="group__granule.html#g193045390452ca2de8d59754715ca6da">kate_granule_duration</a> (const <a class="el" href="structkate__info.html">kate_info</a> *ki, kate_int64_t duration)</td></tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="g97968d326ab6e2d78ac46fbb0e825f44"></a><!-- doxytag: member="kate_granule.c::kate_duration_granule" ref="g97968d326ab6e2d78ac46fbb0e825f44" args="(const kate_info *ki, kate_float duration)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">kate_int64_t kate_duration_granule </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_float </td>
<td class="paramname"> <em>duration</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<div class="memdoc">
<p>
Converts a duration to a granule duration <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
<tr><td valign="top"></td><td valign="top"><em>duration</em> </td><td>the duration in seconds to convert to a granulepos offset </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>>=0 the time corresponding to the granulepos <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
<a class="anchor" name="g193045390452ca2de8d59754715ca6da"></a><!-- doxytag: member="kate_granule.c::kate_granule_duration" ref="g193045390452ca2de8d59754715ca6da" args="(const kate_info *ki, kate_int64_t duration)" -->
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<td class="memname">kate_float kate_granule_duration </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_int64_t </td>
<td class="paramname"> <em>duration</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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</div>
<div class="memdoc">
<p>
Converts a granule offset position to a time in seconds. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
<tr><td valign="top"></td><td valign="top"><em>duration</em> </td><td>the granulepos offset to convert to a time </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>>=0 the time corresponding to the granulepos offset <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
<a class="anchor" name="ge265915dec153797580ab25cc4d12762"></a><!-- doxytag: member="kate_granule.c::kate_granule_shift" ref="ge265915dec153797580ab25cc4d12762" args="(const kate_info *ki)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">int kate_granule_shift </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em> </td>
<td> ) </td>
<td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Returns the granule shift for the given stream <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>>=0 the granule shift <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
<a class="anchor" name="g8a77ab382e5469b1ef4e6ee5088e0ba7"></a><!-- doxytag: member="kate_granule.c::kate_granule_split_time" ref="g8a77ab382e5469b1ef4e6ee5088e0ba7" args="(const kate_info *ki, kate_int64_t granulepos, kate_float *base, kate_float *offset)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int kate_granule_split_time </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_int64_t </td>
<td class="paramname"> <em>granulepos</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_float * </td>
<td class="paramname"> <em>base</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_float * </td>
<td class="paramname"> <em>offset</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Converts a granule position to a base+offset time representation in seconds. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
<tr><td valign="top"></td><td valign="top"><em>granulepos</em> </td><td>the granulepos to convert to a time representation </td></tr>
<tr><td valign="top"></td><td valign="top"><em>base</em> </td><td>a pointer where to store the base part of the time corresponding to the granulepos </td></tr>
<tr><td valign="top"></td><td valign="top"><em>offset</em> </td><td>a pointer where to store the offset part of the time corresponding to the granulepos </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 success <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
<a class="anchor" name="g22c52f60e9bfe21611e36b8e49db75b2"></a><!-- doxytag: member="kate_granule.c::kate_granule_time" ref="g22c52f60e9bfe21611e36b8e49db75b2" args="(const kate_info *ki, kate_int64_t granulepos)" -->
<div class="memitem">
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<td class="memname">kate_float kate_granule_time </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_int64_t </td>
<td class="paramname"> <em>granulepos</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Converts a granule position to a time in seconds. <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
<tr><td valign="top"></td><td valign="top"><em>granulepos</em> </td><td>the granulepos to convert to a time </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>>=0 the time corresponding to the granulepos <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
<a class="anchor" name="g39a421f2d4da4e657a35328d9154290f"></a><!-- doxytag: member="kate_granule.c::kate_time_granule" ref="g39a421f2d4da4e657a35328d9154290f" args="(const kate_info *ki, kate_float base, kate_float offset)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">kate_int64_t kate_time_granule </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structkate__info.html">kate_info</a> * </td>
<td class="paramname"> <em>ki</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_float </td>
<td class="paramname"> <em>base</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">kate_float </td>
<td class="paramname"> <em>offset</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Converts a base/offset pair in seconds to a granule position <dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>ki</em> </td><td>the <a class="el" href="structkate__info.html">kate_info</a> structure describing the granule encoding setup </td></tr>
<tr><td valign="top"></td><td valign="top"><em>base</em> </td><td>the base time in seconds to convert </td></tr>
<tr><td valign="top"></td><td valign="top"><em>offset</em> </td><td>the time offset in seconds to convert </td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>>=0 the granule corresponding to the base/offset pair <p>
KATE_E_* error </dd></dl>
</div>
</div><p>
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