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showbox-public-14
showbox-public-14 / ffmpeg-doc deb
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<div id="projectname">FFmpeg
 <span id="projectnumber">3.0.2</span>
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<div class="title">metadata.c</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> * Copyright (c) 2011 Reinhard Tartler</span></div>
<div class="line"><span class="comment"> *</span></div>
<div class="line"><span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a copy</span></div>
<div class="line"><span class="comment"> * of this software and associated documentation files (the "Software"), to deal</span></div>
<div class="line"><span class="comment"> * in the Software without restriction, including without limitation the rights</span></div>
<div class="line"><span class="comment"> * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div>
<div class="line"><span class="comment"> * copies of the Software, and to permit persons to whom the Software is</span></div>
<div class="line"><span class="comment"> * furnished to do so, subject to the following conditions:</span></div>
<div class="line"><span class="comment"> *</span></div>
<div class="line"><span class="comment"> * The above copyright notice and this permission notice shall be included in</span></div>
<div class="line"><span class="comment"> * all copies or substantial portions of the Software.</span></div>
<div class="line"><span class="comment"> *</span></div>
<div class="line"><span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></div>
<div class="line"><span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div>
<div class="line"><span class="comment"> * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</span></div>
<div class="line"><span class="comment"> * THE SOFTWARE.</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"><span class="comment"></span></div>
<div class="line"><span class="comment">/**</span></div>
<div class="line"><span class="comment"> * @file</span></div>
<div class="line"><span class="comment"> * Shows how the metadata API can be used in application programs.</span></div>
<div class="line"><span class="comment"> * @example metadata.c</span></div>
<div class="line"><span class="comment"> */</span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#include <stdio.h></span></div>
<div class="line"></div>
<div class="line"><span class="preprocessor">#include <<a class="code" href="avformat_8h.html">libavformat/avformat.h</a>></span></div>
<div class="line"><span class="preprocessor">#include <<a class="code" href="dict_8h.html">libavutil/dict.h</a>></span></div>
<div class="line"></div>
<div class="line"><span class="keywordtype">int</span> <a name="a0"></a><a class="code" href="metadata_8c.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a> (<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)</div>
<div class="line">{</div>
<div class="line"> <a name="_a1"></a><a class="code" href="structAVFormatContext.html">AVFormatContext</a> *<a name="a2"></a><a class="code" href="demuxing__decoding_8c.html#a409462acdf7aebe5bfbe1bcd811efa5d">fmt_ctx</a> = NULL;</div>
<div class="line"> <a name="_a3"></a><a class="code" href="structAVDictionaryEntry.html">AVDictionaryEntry</a> *tag = NULL;</div>
<div class="line"> <span class="keywordtype">int</span> ret;</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">if</span> (argc != 2) {</div>
<div class="line"> printf(<span class="stringliteral">"usage: %s <input_file>\n"</span></div>
<div class="line"> <span class="stringliteral">"example program to demonstrate the use of the libavformat metadata API.\n"</span></div>
<div class="line"> <span class="stringliteral">"\n"</span>, argv[0]);</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> }</div>
<div class="line"></div>
<div class="line"> <a name="a4"></a><a class="code" href="group__lavf__core.html#ga917265caec45ef5a0646356ed1a507e3">av_register_all</a>();</div>
<div class="line"> <span class="keywordflow">if</span> ((ret = <a name="a5"></a><a class="code" href="group__lavf__decoding.html#ga31d601155e9035d5b0e7efedc894ee49">avformat_open_input</a>(&fmt_ctx, argv[1], NULL, NULL)))</div>
<div class="line"> <span class="keywordflow">return</span> ret;</div>
<div class="line"></div>
<div class="line"> <span class="keywordflow">while</span> ((tag = <a name="a6"></a><a class="code" href="group__lavu__dict.html#gae67f143237b2cb2936c9b147aa6dfde3">av_dict_get</a>(fmt_ctx-><a name="a7"></a><a class="code" href="structAVFormatContext.html#a3019a56080ed2e3297ff25bc2ff88adf">metadata</a>, <span class="stringliteral">""</span>, tag, <a name="a8"></a><a class="code" href="group__lavu__dict.html#ga341bbd1ea599dfb0510f419e5272fecc">AV_DICT_IGNORE_SUFFIX</a>)))</div>
<div class="line"> printf(<span class="stringliteral">"%s=%s\n"</span>, tag-><a name="a9"></a><a class="code" href="structAVDictionaryEntry.html#a38fc80176f8f839282bb61c03392e194">key</a>, tag-><a name="a10"></a><a class="code" href="structAVDictionaryEntry.html#aa38678f2cad36f120d42e56449c5edb4">value</a>);</div>
<div class="line"></div>
<div class="line"> <a name="a11"></a><a class="code" href="group__lavf__decoding.html#gae804b99aec044690162b8b9b110236a4">avformat_close_input</a>(&fmt_ctx);</div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
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