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<li class="navelem"><a class="el" href="../../d8/daf/namespaceshaka.html">shaka</a></li><li class="navelem"><b>media</b></li><li class="navelem"><a class="el" href="../../de/ddd/classshaka_1_1media_1_1WebVttSampleConverter.html">WebVttSampleConverter</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="headertitle">
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<div class="title">shaka::media::WebVttSampleConverter Class Reference</div> </div>
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</div><!--header-->
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<div class="contents">
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<p><code>#include <<a class="el" href="../../db/d0b/webvtt__sample__converter_8h_source.html">webvtt_sample_converter.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="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a651f604362b1dd2660a6fbcdacb75331"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/ddd/classshaka_1_1media_1_1WebVttSampleConverter.html#a651f604362b1dd2660a6fbcdacb75331">PushCue</a> (const <a class="el" href="../../dd/dce/structshaka_1_1media_1_1Cue.html">Cue</a> &cue)</td></tr>
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<tr class="separator:a651f604362b1dd2660a6fbcdacb75331"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa02d5ce7d9609b3841835fbab74b8c81"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/ddd/classshaka_1_1media_1_1WebVttSampleConverter.html#aa02d5ce7d9609b3841835fbab74b8c81">Flush</a> ()</td></tr>
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<tr class="separator:aa02d5ce7d9609b3841835fbab74b8c81"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3b0e60f307c5ea57d232216eced6af76"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/ddd/classshaka_1_1media_1_1WebVttSampleConverter.html#a3b0e60f307c5ea57d232216eced6af76">ReadySamplesSize</a> ()</td></tr>
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<tr class="separator:a3b0e60f307c5ea57d232216eced6af76"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a43fa59b53f847b638cf32c6f03f87dcd"><td class="memItemLeft" align="right" valign="top">virtual std::shared_ptr<br class="typebreak"/>
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< <a class="el" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">MediaSample</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/ddd/classshaka_1_1media_1_1WebVttSampleConverter.html#a43fa59b53f847b638cf32c6f03f87dcd">PopSample</a> ()</td></tr>
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<tr class="separator:a43fa59b53f847b638cf32c6f03f87dcd"><td class="memSeparator" colspan="2"> </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>According to the spec, when cues overlap, samples must be created.<br/>
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The example below has 2 WebVTT cues:<br/>
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00:01:00.000 –> 00:02:00.000<br/>
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hello<br/>
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<br/>
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00:01:15.000 –> 00:02:15.000<br/>
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how are you?<br/>
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<br/>
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These are added (AddSample()) as 2 samples but must be split into 3 samples and 4 cues ('vttc' boxes).<br/>
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First sample:<br/>
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start_time: 00:01:00.000<br/>
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duration: 15 seconds<br/>
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cue payload: hello<br/>
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<br/>
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Second sample:<br/>
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start_time: 00:01:15.000<br/>
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duration: 45 seconds<br/>
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cue payload: hello<br/>
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cue payload: how are you?<br/>
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<br/>
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Third sample:<br/>
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start_time: 00:02:00.000<br/>
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duration: 15 seconds<br/>
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cue payload: how are you?<br/>
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<br/>
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This class buffers the samples that are passed to AddSample() and creates more samples as necessary. Methods are virtual only for mocking, not intended for inheritance. </p>
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<p>Definition at line <a class="el" href="../../db/d0b/webvtt__sample__converter_8h_source.html#l00055">55</a> of file <a class="el" href="../../db/d0b/webvtt__sample__converter_8h_source.html">webvtt_sample_converter.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="aa02d5ce7d9609b3841835fbab74b8c81"></a>
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<div class="memitem">
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<td class="memname">void shaka::media::WebVttSampleConverter::Flush </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Process all the buffered samples. This finalizes the object and further calls to PushSample() may result in an undefined behavior. </p>
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<p>Definition at line <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html#l00174">174</a> of file <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html">webvtt_sample_converter.cc</a>.</p>
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<a class="anchor" id="a43fa59b53f847b638cf32c6f03f87dcd"></a>
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<td class="memname">std::shared_ptr< <a class="el" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html">MediaSample</a> > shaka::media::WebVttSampleConverter::PopSample </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<p>Returns a <a class="el" href="../../d7/d6d/classshaka_1_1media_1_1MediaSample.html" title="Class to hold a media sample. ">MediaSample</a> that is non-overlapping with the previous samples that it has output. The data in the sample is one or more ISO-BMFF boxes for the duration of the sample. </p>
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<dl class="section return"><dt>Returns</dt><dd>The first sample that is ready to be processed. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html#l00199">199</a> of file <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html">webvtt_sample_converter.cc</a>.</p>
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<a class="anchor" id="a651f604362b1dd2660a6fbcdacb75331"></a>
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<td class="memname">void shaka::media::WebVttSampleConverter::PushCue </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="../../dd/dce/structshaka_1_1media_1_1Cue.html">Cue</a> & </td>
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<td class="paramname"><em>cue</em></td><td>)</td>
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<td></td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<p>Add a webvtt cue. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">cue</td><td>is a webvtt cue. </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html#l00139">139</a> of file <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html">webvtt_sample_converter.cc</a>.</p>
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<td class="memname">size_t shaka::media::WebVttSampleConverter::ReadySamplesSize </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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</div><div class="memdoc">
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<dl class="section return"><dt>Returns</dt><dd>The number of samples that are processed and ready to be popped. </dd></dl>
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<p>Definition at line <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html#l00195">195</a> of file <a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html">webvtt_sample_converter.cc</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following files:<ul>
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<li>media/formats/webvtt/<a class="el" href="../../db/d0b/webvtt__sample__converter_8h_source.html">webvtt_sample_converter.h</a></li>
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<li>media/formats/webvtt/<a class="el" href="../../d4/df5/webvtt__sample__converter_8cc_source.html">webvtt_sample_converter.cc</a></li>
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</ul>
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