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 <span id="projectnumber">2.7.1</span>
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<div class="title">libavutil/time.h</div> </div>
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<a href="time_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2000-2003 Fabrice Bellard</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of FFmpeg.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00008"></a>00008 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"> *</span>
<a name="l00011"></a>00011 <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00014"></a>00014 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"> *</span>
<a name="l00016"></a>00016 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00017"></a>00017 <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span>
<a name="l00018"></a>00018 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef AVUTIL_TIME_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_TIME_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <stdint.h></span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment">/**</span>
<a name="l00027"></a>00027 <span class="comment"> * Get the current time in microseconds.</span>
<a name="l00028"></a>00028 <span class="comment"> */</span>
<a name="l00029"></a>00029 int64_t <a class="code" href="time_8h.html#aebf7f9c94187487c31d26fa3da816468" title="Get the current time in microseconds.">av_gettime</a>(<span class="keywordtype">void</span>);
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">/**</span>
<a name="l00032"></a>00032 <span class="comment"> * Get the current time in microseconds since some unspecified starting point.</span>
<a name="l00033"></a>00033 <span class="comment"> * On platforms that support it, the time comes from a monotonic clock</span>
<a name="l00034"></a>00034 <span class="comment"> * This property makes this time source ideal for measuring relative time.</span>
<a name="l00035"></a>00035 <span class="comment"> * The returned values may not be monotonic on platforms where a monotonic</span>
<a name="l00036"></a>00036 <span class="comment"> * clock is not available.</span>
<a name="l00037"></a>00037 <span class="comment"> */</span>
<a name="l00038"></a>00038 int64_t <a class="code" href="time_8h.html#adf0e36df54426fa167e3cc5a3406f3b7" title="Get the current time in microseconds since some unspecified starting point.">av_gettime_relative</a>(<span class="keywordtype">void</span>);
<a name="l00039"></a>00039 <span class="comment"></span>
<a name="l00040"></a>00040 <span class="comment">/**</span>
<a name="l00041"></a>00041 <span class="comment"> * Indicates with a boolean result if the av_gettime_relative() time source</span>
<a name="l00042"></a>00042 <span class="comment"> * is monotonic.</span>
<a name="l00043"></a>00043 <span class="comment"> */</span>
<a name="l00044"></a>00044 <span class="keywordtype">int</span> <a class="code" href="time_8h.html#ae0df8c82a87a2eed390e4e7eac5e86bd" title="Indicates with a boolean result if the av_gettime_relative() time source is monotonic.">av_gettime_relative_is_monotonic</a>(<span class="keywordtype">void</span>);
<a name="l00045"></a>00045 <span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment">/**</span>
<a name="l00047"></a>00047 <span class="comment"> * Sleep for a period of time. Although the duration is expressed in</span>
<a name="l00048"></a>00048 <span class="comment"> * microseconds, the actual delay may be rounded to the precision of the</span>
<a name="l00049"></a>00049 <span class="comment"> * system timer.</span>
<a name="l00050"></a>00050 <span class="comment"> *</span>
<a name="l00051"></a>00051 <span class="comment"> * @param usec Number of microseconds to sleep.</span>
<a name="l00052"></a>00052 <span class="comment"> * @return zero on success or (negative) error code.</span>
<a name="l00053"></a>00053 <span class="comment"> */</span>
<a name="l00054"></a>00054 <span class="keywordtype">int</span> <a class="code" href="time_8h.html#a4eee9c65835652a808973f4bc1641a51" title="Sleep for a period of time.">av_usleep</a>(<span class="keywordtype">unsigned</span> usec);
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_TIME_H */</span>
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