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<a href="previewgenerator_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>&#160;<span class="comment">/***</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> Olive - Non-Linear Video Editor</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (C) 2019 Olive Team</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> This program is free software: you can redistribute it and/or modify</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> the Free Software Foundation, either version 3 of the License, or</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> (at your option) any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<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>&#160;<span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment">***/</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#ifndef PREVIEWGENERATOR_H</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#define PREVIEWGENERATOR_H</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;QThread&gt;</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;QSemaphore&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;QDir&gt;</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="footage_8h.html">project/footage.h</a>&quot;</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="media_8h.html">project/media.h</a>&quot;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;libavformat/avformat.h&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &lt;libavcodec/avcodec.h&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &lt;libswscale/swscale.h&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#include &lt;libswresample/swresample.h&gt;</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;}</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="class_preview_generator.html"> 38</a></span>&#160;<span class="keyword">class </span><a class="code" href="class_preview_generator.html">PreviewGenerator</a> : <span class="keyword">public</span> QThread</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;{</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; Q_OBJECT</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="class_preview_generator.html#ae3febc86c51bd0cad9dc4e42f3cc7b3d">PreviewGenerator</a>(<a class="code" href="class_media.html">Media</a>*, <a class="code" href="footage_8h.html#a1ec6462954056c51931cc6066a7d3d71">FootagePtr</a>, <span class="keywordtype">bool</span>);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_preview_generator.html#a45fa7f7ca54861dcd43c9cf41cc382aa">run</a>();</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_preview_generator.html#aef3b64744a2ba43d257074000d39ca6d">cancel</a>();</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="keyword">private</span>:</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_preview_generator.html#adcb1a8506b5890c1e4e34bff030f8c50">parse_media</a>();</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_preview_generator.html#ae2305c9647ac699af9c493e769710993">retrieve_preview</a>(<span class="keyword">const</span> QString &amp;hash);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_preview_generator.html#ad54935df72a0b312f61620a2cdc22ff7">generate_waveform</a>();</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">void</span> <a class="code" href="class_preview_generator.html#a2cdf06b14b8042a84ca49a3b94bef0eb">finalize_media</a>();</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_preview_generator.html#aeb814b62449a83290df4576f25f4d9bd"> 50</a></span>&#160; AVFormatContext* <a class="code" href="class_preview_generator.html#aeb814b62449a83290df4576f25f4d9bd">fmt_ctx</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_preview_generator.html#aab2f6a913767c82831bfed2e09062ff6"> 51</a></span>&#160; <a class="code" href="class_media.html">Media</a>* <a class="code" href="class_preview_generator.html#aab2f6a913767c82831bfed2e09062ff6">media</a>;</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="class_preview_generator.html#a0138807a0579bdcf9356e0c164080fc2"> 52</a></span>&#160; <a class="code" href="footage_8h.html#a1ec6462954056c51931cc6066a7d3d71">FootagePtr</a> <a class="code" href="class_preview_generator.html#a0138807a0579bdcf9356e0c164080fc2">footage</a>;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="class_preview_generator.html#a8af5d822321cae1f136c6888f194131a"> 53</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_preview_generator.html#a8af5d822321cae1f136c6888f194131a">retrieve_duration</a>;</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="class_preview_generator.html#a6a4276c37512f4b086d82056c670cf91"> 54</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_preview_generator.html#a6a4276c37512f4b086d82056c670cf91">contains_still_image</a>;</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="class_preview_generator.html#a396239af0143a918e53dcfea8e10f021"> 55</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_preview_generator.html#a396239af0143a918e53dcfea8e10f021">replace</a>;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="class_preview_generator.html#a6a5c4f91e5cee4f631883c628c5face5"> 56</a></span>&#160; <span class="keywordtype">bool</span> <a class="code" href="class_preview_generator.html#a6a5c4f91e5cee4f631883c628c5face5">cancelled</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="class_preview_generator.html#aeb460ee818287e57a2f27286de939ff0"> 57</a></span>&#160; QDir <a class="code" href="class_preview_generator.html#aeb460ee818287e57a2f27286de939ff0">data_dir</a>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; QString <a class="code" href="class_preview_generator.html#a15740c9bb5a01fc3811fb93cdf0a2b82">get_thumbnail_path</a>(<span class="keyword">const</span> QString &amp;hash, <span class="keyword">const</span> <a class="code" href="struct_footage_stream.html">FootageStream</a> &amp;ms);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; QString <a class="code" href="class_preview_generator.html#a4ac64338b1f3eb93f1e7209d5912acd1">get_waveform_path</a>(<span class="keyword">const</span> QString&amp; hash, <span class="keyword">const</span> <a class="code" href="struct_footage_stream.html">FootageStream</a> &amp;ms);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;};</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="preprocessor">#endif // PREVIEWGENERATOR_H</span></div><div class="ttc" id="class_preview_generator_html_ae2305c9647ac699af9c493e769710993"><div class="ttname"><a href="class_preview_generator.html#ae2305c9647ac699af9c493e769710993">PreviewGenerator::retrieve_preview</a></div><div class="ttdeci">bool retrieve_preview(const QString &amp;hash)</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:133</div></div>
<div class="ttc" id="class_preview_generator_html_a396239af0143a918e53dcfea8e10f021"><div class="ttname"><a href="class_preview_generator.html#a396239af0143a918e53dcfea8e10f021">PreviewGenerator::replace</a></div><div class="ttdeci">bool replace</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:55</div></div>
<div class="ttc" id="class_preview_generator_html_ae3febc86c51bd0cad9dc4e42f3cc7b3d"><div class="ttname"><a href="class_preview_generator.html#ae3febc86c51bd0cad9dc4e42f3cc7b3d">PreviewGenerator::PreviewGenerator</a></div><div class="ttdeci">PreviewGenerator(Media *, FootagePtr, bool)</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:42</div></div>
<div class="ttc" id="class_preview_generator_html_aef3b64744a2ba43d257074000d39ca6d"><div class="ttname"><a href="class_preview_generator.html#aef3b64744a2ba43d257074000d39ca6d">PreviewGenerator::cancel</a></div><div class="ttdeci">void cancel()</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:583</div></div>
<div class="ttc" id="class_preview_generator_html_aeb460ee818287e57a2f27286de939ff0"><div class="ttname"><a href="class_preview_generator.html#aeb460ee818287e57a2f27286de939ff0">PreviewGenerator::data_dir</a></div><div class="ttdeci">QDir data_dir</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:57</div></div>
<div class="ttc" id="media_8h_html"><div class="ttname"><a href="media_8h.html">media.h</a></div></div>
<div class="ttc" id="class_preview_generator_html_a6a5c4f91e5cee4f631883c628c5face5"><div class="ttname"><a href="class_preview_generator.html#a6a5c4f91e5cee4f631883c628c5face5">PreviewGenerator::cancelled</a></div><div class="ttdeci">bool cancelled</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:56</div></div>
<div class="ttc" id="class_preview_generator_html"><div class="ttname"><a href="class_preview_generator.html">PreviewGenerator</a></div><div class="ttdef"><b>Definition:</b> previewgenerator.h:38</div></div>
<div class="ttc" id="class_preview_generator_html_a4ac64338b1f3eb93f1e7209d5912acd1"><div class="ttname"><a href="class_preview_generator.html#a4ac64338b1f3eb93f1e7209d5912acd1">PreviewGenerator::get_waveform_path</a></div><div class="ttdeci">QString get_waveform_path(const QString &amp;hash, const FootageStream &amp;ms)</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:504</div></div>
<div class="ttc" id="footage_8h_html_a1ec6462954056c51931cc6066a7d3d71"><div class="ttname"><a href="footage_8h.html#a1ec6462954056c51931cc6066a7d3d71">FootagePtr</a></div><div class="ttdeci">std::shared_ptr&lt; Footage &gt; FootagePtr</div><div class="ttdef"><b>Definition:</b> footage.h:103</div></div>
<div class="ttc" id="class_preview_generator_html_a8af5d822321cae1f136c6888f194131a"><div class="ttname"><a href="class_preview_generator.html#a8af5d822321cae1f136c6888f194131a">PreviewGenerator::retrieve_duration</a></div><div class="ttdeci">bool retrieve_duration</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:53</div></div>
<div class="ttc" id="class_media_html"><div class="ttname"><a href="class_media.html">Media</a></div><div class="ttdef"><b>Definition:</b> media.h:42</div></div>
<div class="ttc" id="footage_8h_html"><div class="ttname"><a href="footage_8h.html">footage.h</a></div></div>
<div class="ttc" id="class_preview_generator_html_ad54935df72a0b312f61620a2cdc22ff7"><div class="ttname"><a href="class_preview_generator.html#ad54935df72a0b312f61620a2cdc22ff7">PreviewGenerator::generate_waveform</a></div><div class="ttdeci">void generate_waveform()</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:211</div></div>
<div class="ttc" id="class_preview_generator_html_a2cdf06b14b8042a84ca49a3b94bef0eb"><div class="ttname"><a href="class_preview_generator.html#a2cdf06b14b8042a84ca49a3b94bef0eb">PreviewGenerator::finalize_media</a></div><div class="ttdeci">void finalize_media()</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:188</div></div>
<div class="ttc" id="struct_footage_stream_html"><div class="ttname"><a href="struct_footage_stream.html">FootageStream</a></div><div class="ttdef"><b>Definition:</b> footage.h:44</div></div>
<div class="ttc" id="class_preview_generator_html_aab2f6a913767c82831bfed2e09062ff6"><div class="ttname"><a href="class_preview_generator.html#aab2f6a913767c82831bfed2e09062ff6">PreviewGenerator::media</a></div><div class="ttdeci">Media * media</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:51</div></div>
<div class="ttc" id="class_preview_generator_html_a15740c9bb5a01fc3811fb93cdf0a2b82"><div class="ttname"><a href="class_preview_generator.html#a15740c9bb5a01fc3811fb93cdf0a2b82">PreviewGenerator::get_thumbnail_path</a></div><div class="ttdeci">QString get_thumbnail_path(const QString &amp;hash, const FootageStream &amp;ms)</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:500</div></div>
<div class="ttc" id="class_preview_generator_html_adcb1a8506b5890c1e4e34bff030f8c50"><div class="ttname"><a href="class_preview_generator.html#adcb1a8506b5890c1e4e34bff030f8c50">PreviewGenerator::parse_media</a></div><div class="ttdeci">void parse_media()</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:60</div></div>
<div class="ttc" id="class_preview_generator_html_a6a4276c37512f4b086d82056c670cf91"><div class="ttname"><a href="class_preview_generator.html#a6a4276c37512f4b086d82056c670cf91">PreviewGenerator::contains_still_image</a></div><div class="ttdeci">bool contains_still_image</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:54</div></div>
<div class="ttc" id="class_preview_generator_html_a45fa7f7ca54861dcd43c9cf41cc382aa"><div class="ttname"><a href="class_preview_generator.html#a45fa7f7ca54861dcd43c9cf41cc382aa">PreviewGenerator::run</a></div><div class="ttdeci">void run()</div><div class="ttdef"><b>Definition:</b> previewgenerator.cpp:508</div></div>
<div class="ttc" id="class_preview_generator_html_aeb814b62449a83290df4576f25f4d9bd"><div class="ttname"><a href="class_preview_generator.html#aeb814b62449a83290df4576f25f4d9bd">PreviewGenerator::fmt_ctx</a></div><div class="ttdeci">AVFormatContext * fmt_ctx</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:50</div></div>
<div class="ttc" id="class_preview_generator_html_a0138807a0579bdcf9356e0c164080fc2"><div class="ttname"><a href="class_preview_generator.html#a0138807a0579bdcf9356e0c164080fc2">PreviewGenerator::footage</a></div><div class="ttdeci">FootagePtr footage</div><div class="ttdef"><b>Definition:</b> previewgenerator.h:52</div></div>
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