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<div class="section" id="basic-usage">
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<h1>Basic Usage<a class="headerlink" href="#basic-usage" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="getting-help">
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<h2>Getting help<a class="headerlink" href="#getting-help" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager --help
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</pre></div>
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</div>
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</div>
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<div class="section" id="media-file-analysis">
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<h2>Media file analysis<a class="headerlink" href="#media-file-analysis" title="Permalink to this headline">¶</a></h2>
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<p>Shaka Packager can be used to inspect the content of a media file and dump basic
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stream information:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager input=some_content.mp4 --dump_stream_info
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</pre></div>
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</div>
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<p>The output looks like:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">File</span> <span class="s2">"some_content.mp4"</span><span class="p">:</span>
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<span class="n">Found</span> <span class="mi">2</span> <span class="n">stream</span><span class="p">(</span><span class="n">s</span><span class="p">)</span><span class="o">.</span>
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<span class="n">Stream</span> <span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="nb">type</span><span class="p">:</span> <span class="n">Video</span>
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<span class="n">codec_string</span><span class="p">:</span> <span class="n">avc1</span><span class="o">.</span><span class="mi">4</span><span class="n">d001e</span>
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<span class="n">time_scale</span><span class="p">:</span> <span class="mi">24000</span>
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<span class="n">duration</span><span class="p">:</span> <span class="mi">3002000</span> <span class="p">(</span><span class="mf">125.1</span> <span class="n">seconds</span><span class="p">)</span>
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<span class="n">is_encrypted</span><span class="p">:</span> <span class="n">false</span>
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<span class="n">codec</span><span class="p">:</span> <span class="n">H264</span>
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<span class="n">width</span><span class="p">:</span> <span class="mi">720</span>
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<span class="n">height</span><span class="p">:</span> <span class="mi">360</span>
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<span class="n">pixel_aspect_ratio</span><span class="p">:</span> <span class="mi">8</span><span class="p">:</span><span class="mi">9</span>
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<span class="n">trick_play_factor</span><span class="p">:</span> <span class="mi">0</span>
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<span class="n">nalu_length_size</span><span class="p">:</span> <span class="mi">4</span>
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<span class="n">Stream</span> <span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="nb">type</span><span class="p">:</span> <span class="n">Audio</span>
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<span class="n">codec_string</span><span class="p">:</span> <span class="n">mp4a</span><span class="o">.</span><span class="mf">40.2</span>
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<span class="n">time_scale</span><span class="p">:</span> <span class="mi">44100</span>
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<span class="n">duration</span><span class="p">:</span> <span class="mi">5517311</span> <span class="p">(</span><span class="mf">125.1</span> <span class="n">seconds</span><span class="p">)</span>
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<span class="n">is_encrypted</span><span class="p">:</span> <span class="n">false</span>
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<span class="n">codec</span><span class="p">:</span> <span class="n">AAC</span>
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<span class="n">sample_bits</span><span class="p">:</span> <span class="mi">16</span>
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<span class="n">num_channels</span><span class="p">:</span> <span class="mi">2</span>
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<span class="n">sampling_frequency</span><span class="p">:</span> <span class="mi">44100</span>
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<span class="n">language</span><span class="p">:</span> <span class="n">eng</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="basic-transmuxing">
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<h2>Basic transmuxing<a class="headerlink" href="#basic-transmuxing" title="Permalink to this headline">¶</a></h2>
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<p>Shaka Packager can be used to extract streams, optionally transmuxes the streams
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from one container format to another container format.</p>
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<p>Here is a simple command that extracts video and audio from the input file:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager in=some_content.mp4,stream=video,out=video.mp4 \
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in=some_content.mp4,stream=audio,out=audio.mp4
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</pre></div>
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</div>
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<p>Shaka Packager is also capable of more complex tasks, such as applying
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encryption, packaging contents to DASH or HLS formats, etc. Refer to
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<a class="reference internal" href="tutorials.html"><span class="doc">Tutorials</span></a>.</p>
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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="#">Basic Usage</a><ul>
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<li><a class="reference internal" href="#getting-help">Getting help</a></li>
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<li><a class="reference internal" href="#media-file-analysis">Media file analysis</a></li>
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<li><a class="reference internal" href="#basic-transmuxing">Basic transmuxing</a></li>
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<h4>Previous topic</h4>
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