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<div class="title">manifest_flags.cc</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 2018 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">#include "packager/app/manifest_flags.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> DEFINE_double(time_shift_buffer_depth,</div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  1800.0,</div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="stringliteral">"Guaranteed duration of the time shifting buffer for HLS LIVE "</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="stringliteral">"playlists and DASH dynamic media presentations, in seconds."</span>);</div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> DEFINE_uint64(</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  preserved_segments_outside_live_window,</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  50,</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="stringliteral">"Segments outside the live window (defined by '--time_shift_buffer_depth') "</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="stringliteral">"are automatically removed except for the most recent X segments defined "</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="stringliteral">"by this parameter. This is needed to accommodate latencies in various "</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="stringliteral">"stages of content serving pipeline, so that the segments stay accessible "</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="stringliteral">"as they may still be accessed by the player."</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="stringliteral">"The segments are not removed if the value is zero."</span>);</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> DEFINE_string(default_language,</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="stringliteral">""</span>,</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="stringliteral">"For DASH, any audio/text tracks tagged with this language will "</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="stringliteral">"have <Role ... value=\"main\" /> in the manifest; For HLS, the "</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="stringliteral">"first audio/text rendition in a group tagged with this language "</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="stringliteral">"will have 'DEFAULT' attribute set to 'YES'. This allows the "</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"player to choose the correct default language for the content."</span></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="stringliteral">"This applies to both audio and text tracks. The default "</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">"language for text tracks can be overriden by "</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"'--default_text_language'."</span>);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> DEFINE_string(default_text_language,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="stringliteral">""</span>,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"Same as above, but this applies to text tracks only, and "</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"overrides the default language for text tracks."</span>);</div>
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