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<div class="title">mpd_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 2014 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> <span class="comment">//</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Defines Mpd flags.</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> <span class="preprocessor">#include "packager/app/mpd_flags.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// TODO(rkuroiwa, kqyang): Remove the 'Exclusive' statements once</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// --output_media_info can work together with --mpd_output.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> DEFINE_bool(output_media_info,</div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="stringliteral">"Create a human readable format of MediaInfo. The output file name "</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="stringliteral">"will be the name specified by output flag, suffixed with "</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="stringliteral">"'.media_info'. Exclusive with --mpd_output."</span>);</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> DEFINE_string(mpd_output, <span class="stringliteral">""</span>,</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="stringliteral">"MPD output file name. Exclusive with --output_media_info."</span>);</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> DEFINE_string(scheme_id_uri,</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="stringliteral">"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"</span>,</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="stringliteral">"This flag only applies if output_media_info is true. This value "</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="stringliteral">"will be set in MediaInfo if the stream is encrypted. "</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="stringliteral">"If the stream is encrypted, MPD requires a <ContentProtection> "</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="stringliteral">"element which requires the schemeIdUri attribute. "</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="stringliteral">"Default value is Widevine PSSH system ID, and it is valid only "</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="stringliteral">"for ISO BMFF."</span>);</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> DEFINE_string(base_urls,</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="stringliteral">""</span>,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="stringliteral">"Comma separated BaseURLs for the MPD. The values will be added "</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="stringliteral">"as <BaseURL> element(s) immediately under the <MPD> element."</span>);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> DEFINE_double(min_buffer_time,</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  2.0,</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="stringliteral">"Specifies, in seconds, a common duration used in the definition "</span></div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="stringliteral">"of the MPD Representation data rate."</span>);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> DEFINE_double(availability_time_offset,</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  10.0,</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="stringliteral">"Offset with respect to the wall clock time for MPD "</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="stringliteral">"availabilityStartTime and availabilityEndTime values, in "</span></div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="stringliteral">" seconds. This value is used for live profile only."</span>);</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> DEFINE_double(minimum_update_period,</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  5.0,</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="stringliteral">"Indicates to the player how often to refresh the media "</span></div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="stringliteral">"presentation description in seconds. This value is used for "</span></div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="stringliteral">"live profile only."</span>);</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> DEFINE_double(time_shift_buffer_depth,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  1800.0,</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="stringliteral">"Guaranteed duration of the time shifting buffer for dynamic "</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="stringliteral">"media presentations, in seconds."</span>);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> DEFINE_double(suggested_presentation_delay,</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  0.0,</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="stringliteral">"Specifies a delay, in seconds, to be added to the media "</span></div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="stringliteral">"presentation time. This value is used for live profile only."</span>);</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> DEFINE_bool(generate_dash_if_iop_compliant_mpd,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">false</span>,</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="stringliteral">"Try to generate DASH-IF IOPv3 compliant MPD. This is best effort "</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="stringliteral">"and does not guarantee compliance. Off by default until players "</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="stringliteral">"support IOP MPDs."</span>);</div>
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