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<li class="navelem"><a class="el" href="../../dir_39dc0668bd5a501998f94e8b4e546c71.html">media</a></li><li class="navelem"><a class="el" href="../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html">formats</a></li><li class="navelem"><a class="el" href="../../dir_5039d854a18988ed1f1dbebc120ffbf7.html">webm</a></li> </ul>
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<div class="title">seek_head.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2015 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef MEDIA_FORMATS_WEBM_SEEK_HEAD_H_</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor"></span><span class="preprocessor">#define MEDIA_FORMATS_WEBM_SEEK_HEAD_H_</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <stdint.h></span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <vector></span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "packager/third_party/libwebm/src/mkvmuxer.hpp"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>shaka {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a name="l00020"></a><span class="lineno"><a class="line" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html"> 20</a></span> <span class="keyword">class </span><a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>();</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  ~<a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>();</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">bool</span> <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html#a46313134eebf68a7c34187705726b982">Write</a>(mkvmuxer::IMkvWriter* writer);</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">bool</span> <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html#a1a7895c6f5548405377aabb9521111a1">WriteVoid</a>(mkvmuxer::IMkvWriter* writer);</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">void</span> set_cluster_pos(uint64_t pos) { cluster_pos_ = pos; }</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">void</span> set_cues_pos(uint64_t pos) { cues_pos_ = pos; }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordtype">void</span> set_info_pos(uint64_t pos) { info_pos_ = pos; }</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordtype">void</span> set_tracks_pos(uint64_t pos) { tracks_pos_ = pos; }</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>(<span class="keyword">const</span> <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>& operator=(<span class="keyword">const</span> <a class="code" href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">SeekHead</a>&) = <span class="keyword">delete</span>;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">struct </span>SeekElement {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  mkvmuxer::uint64 id;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  mkvmuxer::uint64 position;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  mkvmuxer::uint64 size;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  SeekElement(uint64_t seek_id, uint64_t seek_position)</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  : id(seek_id), position(seek_position), size(0) {}</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  };</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="comment">// Create seek element vector from positions.</span></div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  std::vector<SeekElement> CreateSeekElements();</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// In practice, these positions, if set, will never be 0, so we use a zero</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="comment">// value to denote that they are not set.</span></div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  uint64_t cluster_pos_ = 0;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  uint64_t cues_pos_ = 0;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  uint64_t info_pos_ = 0;</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  uint64_t tracks_pos_ = 0;</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">bool</span> wrote_void_ = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">const</span> uint64_t total_void_size_ = 0;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> };</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> } <span class="comment">// namespace shaka</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#endif // MEDIA_FORMATS_WEBM_SEEK_HEAD_H_</span></div>
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<div class="ttc" id="classshaka_1_1media_1_1SeekHead_html_a1a7895c6f5548405377aabb9521111a1"><div class="ttname"><a href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html#a1a7895c6f5548405377aabb9521111a1">shaka::media::SeekHead::WriteVoid</a></div><div class="ttdeci">bool WriteVoid(mkvmuxer::IMkvWriter *writer)</div><div class="ttdoc">Writes a void element large enough to fit the SeekHead. </div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbc/seek__head_8cc_source.html#l00080">seek_head.cc:80</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1SeekHead_html"><div class="ttname"><a href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html">shaka::media::SeekHead</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/de4/seek__head_8h_source.html#l00020">seek_head.h:20</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1SeekHead_html_a46313134eebf68a7c34187705726b982"><div class="ttname"><a href="../../dc/d16/classshaka_1_1media_1_1SeekHead.html#a46313134eebf68a7c34187705726b982">shaka::media::SeekHead::Write</a></div><div class="ttdeci">bool Write(mkvmuxer::IMkvWriter *writer)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dbc/seek__head_8cc_source.html#l00047">seek_head.cc:47</a></div></div>
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