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<a href="time_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2000-2003 Fabrice Bellard</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This file is part of FFmpeg.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * FFmpeg is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * License as published by the Free Software Foundation; either</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * FFmpeg is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with FFmpeg; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#ifndef AVUTIL_TIME_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor"></span><span class="preprocessor">#define AVUTIL_TIME_H</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <stdint.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * Get the current time in microseconds.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> int64_t <a class="code" href="time_8h.html#aebf7f9c94187487c31d26fa3da816468">av_gettime</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * Get the current time in microseconds since some unspecified starting point.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * On platforms that support it, the time comes from a monotonic clock</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * This property makes this time source ideal for measuring relative time.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * The returned values may not be monotonic on platforms where a monotonic</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * clock is not available.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> int64_t <a class="code" href="time_8h.html#adf0e36df54426fa167e3cc5a3406f3b7">av_gettime_relative</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Indicates with a boolean result if the av_gettime_relative() time source</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * is monotonic.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keywordtype">int</span> <a class="code" href="time_8h.html#ae0df8c82a87a2eed390e4e7eac5e86bd">av_gettime_relative_is_monotonic</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">/**</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * Sleep for a period of time. Although the duration is expressed in</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * microseconds, the actual delay may be rounded to the precision of the</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * system timer.</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * @param usec Number of microseconds to sleep.</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * @return zero on success or (negative) error code.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keywordtype">int</span> <a class="code" href="time_8h.html#a4eee9c65835652a808973f4bc1641a51">av_usleep</a>(<span class="keywordtype">unsigned</span> usec);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#endif </span><span class="comment">/* AVUTIL_TIME_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="time_8h_html_a4eee9c65835652a808973f4bc1641a51"><div class="ttname"><a href="time_8h.html#a4eee9c65835652a808973f4bc1641a51">av_usleep</a></div><div class="ttdeci">int av_usleep(unsigned usec)</div><div class="ttdoc">Sleep for a period of time. </div></div>
<div class="ttc" id="time_8h_html_adf0e36df54426fa167e3cc5a3406f3b7"><div class="ttname"><a href="time_8h.html#adf0e36df54426fa167e3cc5a3406f3b7">av_gettime_relative</a></div><div class="ttdeci">int64_t av_gettime_relative(void)</div><div class="ttdoc">Get the current time in microseconds since some unspecified starting point. </div></div>
<div class="ttc" id="time_8h_html_aebf7f9c94187487c31d26fa3da816468"><div class="ttname"><a href="time_8h.html#aebf7f9c94187487c31d26fa3da816468">av_gettime</a></div><div class="ttdeci">int64_t av_gettime(void)</div><div class="ttdoc">Get the current time in microseconds. </div></div>
<div class="ttc" id="time_8h_html_ae0df8c82a87a2eed390e4e7eac5e86bd"><div class="ttname"><a href="time_8h.html#ae0df8c82a87a2eed390e4e7eac5e86bd">av_gettime_relative_is_monotonic</a></div><div class="ttdeci">int av_gettime_relative_is_monotonic(void)</div><div class="ttdoc">Indicates with a boolean result if the av_gettime_relative() time source is monotonic. </div></div>
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