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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><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><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><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><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Defines Mpd flags.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/app/mpd_flags.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// TODO(kqyang): Rename to generate_static_live_mpd.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> DEFINE_bool(generate_static_mpd,</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">false</span>,</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="stringliteral">"Set to true to generate static mpd. If segment_template is "</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="stringliteral">"specified in stream descriptors, shaka-packager generates dynamic "</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="stringliteral">"mpd by default; if this flag is enabled, shaka-packager generates "</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="stringliteral">"static mpd instead. Note that if segment_template is not "</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="stringliteral">"specified, shaka-packager always generates static mpd regardless "</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="stringliteral">"of the value of this flag."</span>);</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// TODO(rkuroiwa, kqyang): Remove the 'Exclusive' statements once</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// --output_media_info can work together with --mpd_output.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> DEFINE_bool(output_media_info,</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">false</span>,</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="stringliteral">"Create a human readable format of MediaInfo. The output file name "</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="stringliteral">"will be the name specified by output flag, suffixed with "</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="stringliteral">"'.media_info'. Exclusive with --mpd_output."</span>);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> DEFINE_string(mpd_output, <span class="stringliteral">""</span>,</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="stringliteral">"MPD output file name. Exclusive with --output_media_info."</span>);</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> DEFINE_string(base_urls,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">""</span>,</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"Comma separated BaseURLs for the MPD. The values will be added "</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="stringliteral">"as <BaseURL> element(s) immediately under the <MPD> element."</span>);</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> DEFINE_double(min_buffer_time,</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  2.0,</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"Specifies, in seconds, a common duration used in the definition "</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="stringliteral">"of the MPD Representation data rate."</span>);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> DEFINE_double(minimum_update_period,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  5.0,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"Indicates to the player how often to refresh the media "</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="stringliteral">"presentation description in seconds. This value is used for "</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="stringliteral">"dynamic MPD only."</span>);</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> DEFINE_double(suggested_presentation_delay,</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  0.0,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"Specifies a delay, in seconds, to be added to the media "</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"presentation time. This value is used for dynamic MPD only."</span>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> DEFINE_string(utc_timings,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="stringliteral">""</span>,</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"Comma separated UTCTiming schemeIdUri and value pairs for the "</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">"MPD. This value is used for dynamic MPD only."</span>);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> DEFINE_bool(generate_dash_if_iop_compliant_mpd,</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">true</span>,</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"Try to generate DASH-IF IOP compliant MPD. This is best effort "</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="stringliteral">"and does not guarantee compliance."</span>);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> DEFINE_bool(</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  allow_approximate_segment_timeline,</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">false</span>,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">"For live profile only. "</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"If enabled, segments with close duration (i.e. with difference less than "</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="stringliteral">"one sample) are considered to have the same duration. This enables MPD "</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="stringliteral">"generator to generate less SegmentTimeline entries. If all segments are "</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="stringliteral">"of the same duration except the last one, we will do further optimization "</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="stringliteral">"to use SegmentTemplate@duration instead and omit SegmentTimeline "</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="stringliteral">"completely."</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="stringliteral">"Ignored if $Time$ is used in segment template, since $Time$ requires "</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="stringliteral">"accurate Segment Timeline."</span>);</div></div><!-- fragment --></div><!-- contents -->
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