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2021-04-10 04:00:37 +00:00
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<title>Text output formats — Shaka Packager documentation</title>
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2021-06-22 00:16:40 +00:00
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<li class="nav-item nav-item-this"><a href="">Text output formats</a></li>
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2021-06-22 00:16:40 +00:00
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<section id="text-output-formats">
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<h1>Text output formats<a class="headerlink" href="#text-output-formats" title="Permalink to this headline">¶</a></h1>
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<p>Shaka Packager supports several text/subtitle formats for both input and output.
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We only support certain formats for output, other formats are converted to the
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specified output format. With the exception of TTML pass-through, there are no
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restrictions of input vs output formats.</p>
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<section id="examples">
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<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
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<ul>
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<li><p>TTML pass-through:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.ttml,stream=text,output=output.ttml
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</pre></div>
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</div>
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</li>
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<li><p>Convert WebVTT to TTML:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.vtt,stream=text,output=output.ttml
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</pre></div>
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</div>
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</li>
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<li><p>Embed WebVTT in MP4 (single-file):</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.vtt,stream=text,output=output.mp4
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</pre></div>
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</div>
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</li>
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<li><p>Embed WebVTT in MP4 (segmented):</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager 'in=input.vtt,stream=text,init_segment=init.mp4,segment_template=text_$Number$.mp4'
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</pre></div>
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</div>
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</li>
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<li><p>Convert WebVTT to TTML in MP4:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.vtt,stream=text,format=ttml+mp4,output=output.mp4
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</pre></div>
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</div>
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</li>
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<li><p>Convert DVB-SUB to TTML in MP4:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.ts,stream=text,format=ttml+mp4,output=output.mp4
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$ packager 'in=input.ts,stream=text,format=ttml+mp4,init_segment=init.mp4,segment_template=text_$Number$.mp4'
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</pre></div>
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</div>
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</li>
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<li><p>Get a single page from DVB-SUB and set language:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=input.ts,stream=text,cc_index=3,lang=en,format=ttml+mp4,output=output.mp4
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</pre></div>
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</div>
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</li>
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<li><p>Multiple languages:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager \
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in=in_en.vtt,stream=text,language=en,output=out_en.mp4 \
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in=in_sp.vtt,stream=text,language=sp,output=out_sp.mp4 \
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in=in_fr.vtt,stream=text,language=fr,output=out_fr.mp4
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</pre></div>
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2021-06-22 00:16:40 +00:00
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2021-04-10 04:00:37 +00:00
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<h3><a href="../index.html">Table of Contents</a></h3>
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<ul>
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<li><a class="reference internal" href="#">Text output formats</a><ul>
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<li><a class="reference internal" href="#examples">Examples</a></li>
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