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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 Google Inc. All rights reserved.</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">// Use of this source code is governed by a BSD-style</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// license that can be found in the LICENSE file or at</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// Defines Mpd flags.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160; </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;packager/app/mpd_flags.h&quot;</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160; </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;DEFINE_bool(generate_static_live_mpd,</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="stringliteral">&quot;Set to true to generate static mpd. If segment_template is &quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="stringliteral">&quot;specified in stream descriptors, shaka-packager generates dynamic &quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="stringliteral">&quot;mpd by default; if this flag is enabled, shaka-packager generates &quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="stringliteral">&quot;static mpd instead. Note that if segment_template is not &quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="stringliteral">&quot;specified, shaka-packager always generates static mpd regardless &quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="stringliteral">&quot;of the value of this flag.&quot;</span>);</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;DEFINE_bool(output_media_info,</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="stringliteral">&quot;Create a human readable format of MediaInfo. The output file name &quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="stringliteral">&quot;will be the name specified by output flag, suffixed with &quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="stringliteral">&quot;&#39;.media_info&#39;.&quot;</span>);</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;DEFINE_string(mpd_output, <span class="stringliteral">&quot;&quot;</span>, <span class="stringliteral">&quot;MPD output file name.&quot;</span>);</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;DEFINE_string(base_urls,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="stringliteral">&quot;&quot;</span>,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="stringliteral">&quot;Comma separated BaseURLs for the MPD. The values will be added &quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; <span class="stringliteral">&quot;as &lt;BaseURL&gt; element(s) immediately under the &lt;MPD&gt; element.&quot;</span>);</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;DEFINE_double(min_buffer_time,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; 2.0,</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="stringliteral">&quot;Specifies, in seconds, a common duration used in the definition &quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="stringliteral">&quot;of the MPD Representation data rate.&quot;</span>);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;DEFINE_double(minimum_update_period,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; 5.0,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="stringliteral">&quot;Indicates to the player how often to refresh the media &quot;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="stringliteral">&quot;presentation description in seconds. This value is used for &quot;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="stringliteral">&quot;dynamic MPD only.&quot;</span>);</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;DEFINE_double(suggested_presentation_delay,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; 0.0,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="stringliteral">&quot;Specifies a delay, in seconds, to be added to the media &quot;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="stringliteral">&quot;presentation time. This value is used for dynamic MPD only.&quot;</span>);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;DEFINE_string(utc_timings,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="stringliteral">&quot;&quot;</span>,</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="stringliteral">&quot;Comma separated UTCTiming schemeIdUri and value pairs for the &quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="stringliteral">&quot;MPD. This value is used for dynamic MPD only.&quot;</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;DEFINE_bool(generate_dash_if_iop_compliant_mpd,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="stringliteral">&quot;Try to generate DASH-IF IOP compliant MPD. This is best effort &quot;</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="stringliteral">&quot;and does not guarantee compliance.&quot;</span>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;DEFINE_bool(</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; allow_approximate_segment_timeline,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="stringliteral">&quot;For live profile only. &quot;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="stringliteral">&quot;If enabled, segments with close duration (i.e. with difference less than &quot;</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="stringliteral">&quot;one sample) are considered to have the same duration. This enables MPD &quot;</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="stringliteral">&quot;generator to generate less SegmentTimeline entries. If all segments are &quot;</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="stringliteral">&quot;of the same duration except the last one, we will do further optimization &quot;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="stringliteral">&quot;to use SegmentTemplate@duration instead and omit SegmentTimeline &quot;</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="stringliteral">&quot;completely.&quot;</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="stringliteral">&quot;Ignored if $Time$ is used in segment template, since $Time$ requires &quot;</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <span class="stringliteral">&quot;accurate Segment Timeline.&quot;</span>);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;DEFINE_bool(allow_codec_switching,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="stringliteral">&quot;If enabled, allow adaptive switching between different codecs, &quot;</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="stringliteral">&quot;if they have the same language, media type (audio, video etc) and &quot;</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="stringliteral">&quot;container type.&quot;</span>);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;DEFINE_bool(include_mspr_pro_for_playready,</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="stringliteral">&quot;If enabled, PlayReady Object &lt;mspr:pro&gt; will be inserted into &quot;</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="stringliteral">&quot;&lt;ContentProtection ...&gt; element alongside with &lt;cenc:pssh&gt; &quot;</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="stringliteral">&quot;when using PlayReady protection system.&quot;</span>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;DEFINE_bool(dash_force_segment_list,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">false</span>,</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="stringliteral">&quot;Uses SegmentList instead of SegmentBase. Use this if the &quot;</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="stringliteral">&quot;content is huge and the total number of (sub)segment references &quot;</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="stringliteral">&quot;is greater than what the sidx atom allows (65535). Currently &quot;</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="stringliteral">&quot;this flag is only supported in DASH ondemand profile.&quot;</span>);</div>
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