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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 Muxer 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/muxer_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_double(clear_lead,</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160; 5.0f,</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160; <span class="stringliteral">&quot;Clear lead in seconds if encryption is enabled. Note that we do &quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <span class="stringliteral">&quot;not support partial segment encryption, so it is rounded up to &quot;</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; <span class="stringliteral">&quot;full segments. Set it to a value smaller than segment_duration &quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="stringliteral">&quot;so only the first segment is in clear since the first segment &quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160; <span class="stringliteral">&quot;could be smaller than segment_duration if there is small &quot;</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; <span class="stringliteral">&quot;non-zero starting timestamp.&quot;</span>);</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;DEFINE_double(segment_duration,</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; 6.0f,</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="stringliteral">&quot;Segment duration in seconds. If single_segment is specified, &quot;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="stringliteral">&quot;this parameter sets the duration of a subsegment; otherwise, &quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; <span class="stringliteral">&quot;this parameter sets the duration of a segment. Actual segment &quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <span class="stringliteral">&quot;durations may not be exactly as requested.&quot;</span>);</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;DEFINE_bool(segment_sap_aligned,</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="stringliteral">&quot;Force segments to begin with stream access points.&quot;</span>);</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;DEFINE_double(fragment_duration,</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; 0,</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="stringliteral">&quot;Fragment duration in seconds. Should not be larger than &quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="stringliteral">&quot;the segment duration. Actual fragment durations may not be &quot;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="stringliteral">&quot;exactly as requested.&quot;</span>);</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;DEFINE_bool(fragment_sap_aligned,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <span class="stringliteral">&quot;Force fragments to begin with stream access points. This flag &quot;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="stringliteral">&quot;implies segment_sap_aligned.&quot;</span>);</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;DEFINE_bool(generate_sidx_in_media_segments,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">true</span>,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="stringliteral">&quot;Indicates whether to generate &#39;sidx&#39; box in media segments. Note &quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="stringliteral">&quot;that it is required for DASH on-demand profile (not using segment &quot;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <span class="stringliteral">&quot;template).&quot;</span>);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;DEFINE_string(temp_dir,</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;Specify a directory in which to store temporary (intermediate) &quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="stringliteral">&quot; files. Used only if single_segment=true.&quot;</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;DEFINE_bool(mp4_include_pssh_in_stream,</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;MP4 only: include pssh in the encrypted stream.&quot;</span>);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;DEFINE_int32(transport_stream_timestamp_offset_ms,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; 100,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="stringliteral">&quot;A positive value, in milliseconds, by which output timestamps &quot;</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="stringliteral">&quot;are offset to compensate for possible negative timestamps in the &quot;</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; <span class="stringliteral">&quot;input. For example, timestamps from ISO-BMFF after adjusted by &quot;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="stringliteral">&quot;EditList could be negative. In transport streams, timestamps are &quot;</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="stringliteral">&quot;not allowed to be less than zero.&quot;</span>);</div>
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