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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html">MpdParams</a></li> </ul>
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<a href="#nested-classes">Classes</a> |
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<div class="title">shaka::MpdParams Struct Reference</div> </div>
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<div class="contents">
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<p>DASH MPD related parameters.
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<a href="../../df/ddc/structshaka_1_1MpdParams.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
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Classes</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/d6e/structshaka_1_1MpdParams_1_1UtcTiming.html">UtcTiming</a></td></tr>
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<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">UTCTimings. For dynamic MPD only. <a href="../../d3/d6e/structshaka_1_1MpdParams_1_1UtcTiming.html#details">More...</a><br /></td></tr>
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</table><table class="memberdecls">
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Public Attributes</h2></td></tr>
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<tr class="memitem:aa6ca18997bb307d3b5fe1c9ced161ff6"><td class="memItemLeft" align="right" valign="top"><a id="aa6ca18997bb307d3b5fe1c9ced161ff6"></a>
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std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#aa6ca18997bb307d3b5fe1c9ced161ff6">mpd_output</a></td></tr>
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<tr class="memdesc:aa6ca18997bb307d3b5fe1c9ced161ff6"><td class="mdescLeft"> </td><td class="mdescRight">MPD output file path. <br /></td></tr>
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<tr class="separator:aa6ca18997bb307d3b5fe1c9ced161ff6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a9fe508f9c56a6424fd857d43a4a69e7c"><td class="memItemLeft" align="right" valign="top">std::vector< std::string > </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a9fe508f9c56a6424fd857d43a4a69e7c">base_urls</a></td></tr>
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<tr class="separator:a9fe508f9c56a6424fd857d43a4a69e7c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aee1510b64b9acbc17b8bfccac2e132a3"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#aee1510b64b9acbc17b8bfccac2e132a3">min_buffer_time</a> = 2.0</td></tr>
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<tr class="memitem:a4a5dafe570fd7e35749ce12d83ca9559"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a4a5dafe570fd7e35749ce12d83ca9559">minimum_update_period</a> = 0</td></tr>
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<tr class="memitem:aa239121f028639193d109b3dfa7c3c24"><td class="memItemLeft" align="right" valign="top"><a id="aa239121f028639193d109b3dfa7c3c24"></a>
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double </td><td class="memItemRight" valign="bottom"><b>suggested_presentation_delay</b> = <a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a13705544aac44c5d2065b8a842744bf0">kSuggestedPresentationDelayNotSet</a></td></tr>
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<tr class="memitem:a95e4824708c8de4b882b86772f680032"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a95e4824708c8de4b882b86772f680032">time_shift_buffer_depth</a> = 0</td></tr>
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<tr class="memitem:a84378ed480ed2e9b8915afd9c349b458"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a84378ed480ed2e9b8915afd9c349b458">preserved_segments_outside_live_window</a> = 0</td></tr>
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<tr class="memitem:adb0cdbb3c3580e1f3a107528c07c8d4b"><td class="memItemLeft" align="right" valign="top"><a id="adb0cdbb3c3580e1f3a107528c07c8d4b"></a>
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std::vector< <a class="el" href="../../d3/d6e/structshaka_1_1MpdParams_1_1UtcTiming.html">UtcTiming</a> > </td><td class="memItemRight" valign="bottom"><b>utc_timings</b></td></tr>
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<tr class="memitem:a74df80bd74635090e97837f3a5941d73"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a74df80bd74635090e97837f3a5941d73">default_language</a></td></tr>
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<tr class="memitem:acafb3925f5d32826a241d00f2bf09509"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#acafb3925f5d32826a241d00f2bf09509">default_text_language</a></td></tr>
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<tr class="memitem:ab5a09b17ee41a0960e813bd0c72bf4f6"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#ab5a09b17ee41a0960e813bd0c72bf4f6">generate_static_live_mpd</a> = false</td></tr>
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<tr class="memitem:aa1b2ec6746586d4981655cee62669ba2"><td class="memItemLeft" align="right" valign="top"><a id="aa1b2ec6746586d4981655cee62669ba2"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#aa1b2ec6746586d4981655cee62669ba2">generate_dash_if_iop_compliant_mpd</a> = true</td></tr>
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<tr class="memdesc:aa1b2ec6746586d4981655cee62669ba2"><td class="mdescLeft"> </td><td class="mdescRight">Try to generate DASH-IF IOP compliant MPD. <br /></td></tr>
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<tr class="memitem:af4424dc23f81ff4000584db2866f24c9"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#af4424dc23f81ff4000584db2866f24c9">allow_approximate_segment_timeline</a> = false</td></tr>
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<tr class="separator:af4424dc23f81ff4000584db2866f24c9"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a88b8d28e263b2dcb36909869d3c2ceca"><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a88b8d28e263b2dcb36909869d3c2ceca">target_segment_duration</a> = 0</td></tr>
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<tr class="memitem:a6462a0b4d325e183c4f20ead905c5f49"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a6462a0b4d325e183c4f20ead905c5f49">allow_codec_switching</a> = false</td></tr>
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<tr class="separator:a6462a0b4d325e183c4f20ead905c5f49"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0b9e838af6d1a602e7eaee30a0a9c979"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a0b9e838af6d1a602e7eaee30a0a9c979">include_mspr_pro</a> = true</td></tr>
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<tr class="memitem:a32f74783f0055bff430910defb2c5a3b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a32f74783f0055bff430910defb2c5a3b">use_segment_list</a> = false</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
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Static Public Attributes</h2></td></tr>
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<tr class="memitem:a13705544aac44c5d2065b8a842744bf0"><td class="memItemLeft" align="right" valign="top">static constexpr double </td><td class="memItemRight" valign="bottom"><a class="el" href="../../df/ddc/structshaka_1_1MpdParams.html#a13705544aac44c5d2065b8a842744bf0">kSuggestedPresentationDelayNotSet</a> = 0</td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>DASH MPD related parameters. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00016">16</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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</div><h2 class="groupheader">Member Data Documentation</h2>
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<a id="af4424dc23f81ff4000584db2866f24c9"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af4424dc23f81ff4000584db2866f24c9">◆ </a></span>allow_approximate_segment_timeline</h2>
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<td class="memname">bool shaka::MpdParams::allow_approximate_segment_timeline = false</td>
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<p>For live profile only. If enabled, segments with close duration (i.e. with difference less than one sample) are considered to have the same duration. This enables MPD generator to generate less SegmentTimeline entries. If all segments are of the same duration except the last one, we will do further optimization to use SegmentTemplate@duration instead and omit SegmentTimeline completely. Ignored if $Time$ is used in segment template, since $Time$ requires accurate Segment Timeline. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00076">76</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<a id="a6462a0b4d325e183c4f20ead905c5f49"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a6462a0b4d325e183c4f20ead905c5f49">◆ </a></span>allow_codec_switching</h2>
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<td class="memname">bool shaka::MpdParams::allow_codec_switching = false</td>
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<p>If enabled, allow switching between different codecs, if they have the same language, media type (audio, video etc) and container type. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00085">85</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9fe508f9c56a6424fd857d43a4a69e7c">◆ </a></span>base_urls</h2>
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<td class="memname">std::vector<std::string> shaka::MpdParams::base_urls</td>
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<p>BaseURLs for the MPD. The values will be added as <BaseURL> element(s) under the <MPD> element. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00021">21</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a74df80bd74635090e97837f3a5941d73">◆ </a></span>default_language</h2>
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<td class="memname">std::string shaka::MpdParams::default_language</td>
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<p>The tracks tagged with this language will have <Role ... value="main" /> in the manifest. This allows the player to choose the correct default language for the content. This applies to both audio and text tracks. The default language for text tracks can be overriden by 'default_text_language'. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00058">58</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#acafb3925f5d32826a241d00f2bf09509">◆ </a></span>default_text_language</h2>
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<p>Same as above, but this overrides the default language for text tracks, i.e. subtitles or close-captions. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00061">61</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab5a09b17ee41a0960e813bd0c72bf4f6">◆ </a></span>generate_static_live_mpd</h2>
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<td class="memname">bool shaka::MpdParams::generate_static_live_mpd = false</td>
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<p>Generate static MPD for live profile. Note that this flag has no effect for on-demand profile, in which case static MPD is always used. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00064">64</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0b9e838af6d1a602e7eaee30a0a9c979">◆ </a></span>include_mspr_pro</h2>
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<td class="memname">bool shaka::MpdParams::include_mspr_pro = true</td>
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<p>If enabled, PlayReady Object <mspr:pro> will be inserted into <ContentProtection ...> element alongside with <cenc:pssh> when using PlayReady protection system. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00089">89</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a13705544aac44c5d2065b8a842744bf0">◆ </a></span>kSuggestedPresentationDelayNotSet</h2>
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<td class="memname">constexpr double shaka::MpdParams::kSuggestedPresentationDelayNotSet = 0</td>
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<span class="mlabels"><span class="mlabel">static</span><span class="mlabel">constexpr</span></span> </td>
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<p>Set MPD@suggestedPresentationDelay attribute. For 'dynamic' media presentations, it specifies a delay, in seconds, to be added to the media presentation time. The attribute is not set if the value is 0; the client is expected to choose a suitable value in this case. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00035">35</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aee1510b64b9acbc17b8bfccac2e132a3">◆ </a></span>min_buffer_time</h2>
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<td class="memname">double shaka::MpdParams::min_buffer_time = 2.0</td>
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<p>Set MPD@minBufferTime attribute, which specifies, in seconds, a common duration used in the definition of the MPD representation data rate. A client can be assured of having enough data for continous playout providing playout begins at min_buffer_time after the first bit is received. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00027">27</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4a5dafe570fd7e35749ce12d83ca9559">◆ </a></span>minimum_update_period</h2>
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<td class="memname">double shaka::MpdParams::minimum_update_period = 0</td>
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<p>Set MPD@minimumUpdatePeriod attribute, which indicates to the player how often to refresh the MPD in seconds. For dynamic MPD only. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00030">30</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a84378ed480ed2e9b8915afd9c349b458">◆ </a></span>preserved_segments_outside_live_window</h2>
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<td class="memname">size_t shaka::MpdParams::preserved_segments_outside_live_window = 0</td>
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<p>Segments outside the live window (defined by 'time_shift_buffer_depth' above) are automatically removed except for the most recent X segments defined by this parameter. This is needed to accommodate latencies in various stages of content serving pipeline, so that the segments stay accessible as they may still be accessed by the player. The segments are not removed if the value is zero. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00046">46</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<td class="memname">double shaka::MpdParams::target_segment_duration = 0</td>
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<p>This is the target segment duration requested by the user. The actual segment duration may be different to the target segment duration. This parameter is included here to calculate the approximate SegmentTimeline if it is enabled. It will be populated from segment duration specified in <a class="el" href="../../d2/d1f/structshaka_1_1ChunkingParams.html" title="Chunking (segmentation) related parameters.">ChunkingParams</a> if not specified. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00082">82</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a95e4824708c8de4b882b86772f680032">◆ </a></span>time_shift_buffer_depth</h2>
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<td class="memname">double shaka::MpdParams::time_shift_buffer_depth = 0</td>
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<p>Set MPD@timeShiftBufferDepth attribute, which is the guaranteed duration of the time shifting buffer for 'dynamic' media presentations, in seconds. </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00039">39</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a32f74783f0055bff430910defb2c5a3b">◆ </a></span>use_segment_list</h2>
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<td class="memname">bool shaka::MpdParams::use_segment_list = false</td>
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<p>Uses SegmentList instead of SegmentBase. Use this if the content is huge and the total number of (sub)segment references is greater than what the sidx atom allows (65535). </p>
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<p class="definition">Definition at line <a class="el" href="../../d3/d07/mpd__params_8h_source.html#l00093">93</a> of file <a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<li>packager/mpd/public/<a class="el" href="../../d3/d07/mpd__params_8h_source.html">mpd_params.h</a></li>
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