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HTML
288 lines
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HTML
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml">
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<title>DRM — Shaka Packager documentation</title>
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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="#">DRM</a><ul>
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<li><a class="reference internal" href="#configuration-options">Configuration options</a><ul>
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<li><a class="reference internal" href="#drm-related-stream-descriptor-fields">DRM related Stream descriptor fields</a></li>
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<li><a class="reference internal" href="#general-encryption-options">General encryption options</a></li>
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<li><a class="reference internal" href="#widevine-encryption-options">Widevine encryption options</a></li>
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<li><a class="reference internal" href="#raw-key-encryption-options">Raw key encryption options</a></li>
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<div class="section" id="drm">
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<h1>DRM<a class="headerlink" href="#drm" title="Permalink to this headline">¶</a></h1>
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<p>Shaka Packager supports fetching encryption keys from Widevine Key Server and
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PlayReady Key Server. Shaka Packager also supports Raw Keys, for which keys are
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provided to Shaka Packager directly.</p>
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<div class="toctree-wrapper compound">
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="widevine.html">Using Widevine Key Server</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="widevine.html#synopsis">Synopsis</a></li>
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<li class="toctree-l2"><a class="reference internal" href="widevine.html#examples">Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="widevine.html#widevine-test-credential">Widevine test credential</a></li>
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<li class="toctree-l2"><a class="reference internal" href="widevine.html#configuration-options">Configuration options</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="playready.html">Using PlayReady Key Server</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="playready.html#synopsis">Synopsis</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playready.html#configuration-options">Configuration options</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="raw_key.html">Using Raw Key</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="raw_key.html#synopsis">Synopsis</a></li>
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<li class="toctree-l2"><a class="reference internal" href="raw_key.html#examples">Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="raw_key.html#configuration-options">Configuration options</a></li>
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<li class="toctree-l2"><a class="reference internal" href="raw_key.html#pssh-box-utility-to-generate-pssh-boxes">pssh-box (Utility to generate PSSH boxes)</a></li>
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</ul>
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</li>
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</ul>
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</div>
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<p>Regardless of which key server you are using, you can instruct Shaka Packager to
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generate other protection systems in additional to the native protection system
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from the key server. This allows generating multi-DRM contents easily.</p>
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<div class="section" id="configuration-options">
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<h2>Configuration options<a class="headerlink" href="#configuration-options" title="Permalink to this headline">¶</a></h2>
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<div class="section" id="drm-related-stream-descriptor-fields">
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<h3>DRM related Stream descriptor fields<a class="headerlink" href="#drm-related-stream-descriptor-fields" title="Permalink to this headline">¶</a></h3>
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<dl class="field-list simple">
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<dt class="field-odd">skip_encryption=0|1</dt>
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<dd class="field-odd"><p>Optional. Defaults to 0 if not specified. If it is set to 1, no encryption
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of the stream will be made.</p>
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</dd>
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<dt class="field-even">drm_label</dt>
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<dd class="field-even"><p>Optional value for custom DRM label, which defines the encryption key
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applied to the stream. Typically values include AUDIO, SD, HD, UHD1, UHD2.
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For raw key, it should be a label defined in –keys. If not provided, the
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DRM label is derived from stream type (video, audio), resolutions, etc.
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Note that it is case sensitive.</p>
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</dd>
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</dl>
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</div>
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<div class="section" id="general-encryption-options">
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<h3>General encryption options<a class="headerlink" href="#general-encryption-options" title="Permalink to this headline">¶</a></h3>
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<dl class="option-list">
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<dt><kbd><span class="option">--protection_scheme <var><scheme></var></span></kbd></dt>
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<dd><p>Specify a protection scheme, ‘cenc’ or ‘cbc1’ or pattern-based protection
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schemes ‘cens’ or ‘cbcs’.</p>
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</dd>
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<dt><kbd><span class="option">--vp9_subsample_encryption</span>, <span class="option">--novp9_subsample_encryption</span></kbd></dt>
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<dd><p>Enable / disable VP9 subsample encryption. Enabled by default.</p>
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</dd>
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<dt><kbd><span class="option">--clear_lead <var><seconds></var></span></kbd></dt>
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<dd><p>Clear lead in seconds if encryption is enabled.
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Shaka Packager does not support partial encrypted segments, all the
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segments including the partial segment overlapping with the initial
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‘clear_lead’ seconds are not encrypted, with all the following segments
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encrypted. If segment_duration is greater than ‘clear_lead’, then only the
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first segment is not encrypted.
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Default: 5</p>
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</dd>
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<dt><kbd><span class="option">--protection_systems</span></kbd></dt>
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<dd><p>Protection systems to be generated. Supported protection systems include
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Widevine, PlayReady, FairPlay, Marlin, and
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CommonSystem (<a class="reference external" href="https://goo.gl/s8RIhr">https://goo.gl/s8RIhr</a>).</p>
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</dd>
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</dl>
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</div>
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<div class="section" id="widevine-encryption-options">
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<h3>Widevine encryption options<a class="headerlink" href="#widevine-encryption-options" title="Permalink to this headline">¶</a></h3>
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<dl class="option-list">
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<dt><kbd><span class="option">--enable_widevine_encryption</span></kbd></dt>
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<dd><p>Enable encryption with Widevine key server. User should provide either
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AES signing key (–aes_signing_key, –aes_signing_iv) or RSA signing key
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(–rsa_signing_key_path). This generates Widevine protection system if
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–protection_systems is not specified. Use –protection_systems to generate
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multiple protection systems.</p>
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</dd>
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<dt><kbd><span class="option">--enable_widevine_decryption</span></kbd></dt>
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<dd><p>Enable decryption with Widevine key server. User should provide either
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AES signing key (–aes_signing_key, –aes_signing_iv) or RSA signing key
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(–rsa_signing_key_path).</p>
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</dd>
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<dt><kbd><span class="option">--key_server_url <var><url></var></span></kbd></dt>
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<dd><p>Key server url. Required for Widevine encryption and decryption.</p>
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</dd>
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<dt><kbd><span class="option">--content_id <var><hex></var></span></kbd></dt>
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<dd><p>Content identifier that uniquely identifies the content.</p>
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</dd>
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<dt><kbd><span class="option">--policy <var><policy></var></span></kbd></dt>
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<dd><p>The name of a stored policy, which specifies DRM content rights.</p>
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</dd>
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<dt><kbd><span class="option">--max_sd_pixels <var><pixels></var></span></kbd></dt>
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<dd><p>The video track is considered SD if its max pixels per frame is no higher
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than <em>max_sd_pixels</em>. Default: 442368 (768 x 576).</p>
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</dd>
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<dt><kbd><span class="option">--max_hd_pixels <var><pixels></var></span></kbd></dt>
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<dd><p>The video track is considered HD if its max pixels per frame is higher than
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<em>max_sd_pixels</em>, but no higher than <em>max_hd_pixels</em>. Default: 2073600
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(1920 x 1080).</p>
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</dd>
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<dt><kbd><span class="option">--max_uhd1_pixels <var><pixels></var></span></kbd></dt>
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<dd><p>The video track is considered UHD1 if its max pixels per frame is higher
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than <em>max_hd_pixels</em>, but no higher than <em>max_uhd1_pixels</em>. Otherwise it is
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UHD2. Default: 8847360 (4096 x 2160).</p>
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</dd>
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<dt><kbd><span class="option">--signer <var><signer></var></span></kbd></dt>
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<dd><p>The name of the signer.</p>
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</dd>
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<dt><kbd><span class="option">--aes_signing_key <var><hex></var></span></kbd></dt>
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<dd><p>AES signing key in hex string. <em>aes_signing_iv</em> is required if
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<em>aes_signing_key</em> is specified. This option is exclusive with
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<em>rsa_signing_key_path</em>.</p>
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</dd>
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<dt><kbd><span class="option">--aes_signing_iv <var><hex></var></span></kbd></dt>
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<dd><p>AES signing iv in hex string.</p>
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</dd>
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<dt><kbd><span class="option">--rsa_signing_key_path <var><file path></var></span></kbd></dt>
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<dd><p>Path to the file containing PKCS#1 RSA private key for request signing.
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This option is exclusive with <em>aes_signing_key</em>.</p>
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</dd>
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<dt><kbd><span class="option">--crypto_period_duration <var><seconds></var></span></kbd></dt>
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<dd><p>Defines how often key rotates. If it is non-zero, key rotation is enabled.</p>
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</dd>
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<dt><kbd><span class="option">--group_id <var><hex></var></span></kbd></dt>
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<dd><p>Identifier for a group of licenses.</p>
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</dd>
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</dl>
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</div>
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<div class="section" id="raw-key-encryption-options">
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<h3>Raw key encryption options<a class="headerlink" href="#raw-key-encryption-options" title="Permalink to this headline">¶</a></h3>
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<dl class="option-list">
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<dt><kbd><span class="option">--enable_raw_key_encryption</span></kbd></dt>
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<dd><p>Enable encryption with raw key (keys provided in command line)). This
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generates <a class="reference external" href="https://goo.gl/s8RIhr">Common protection system</a> if neither
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–pssh nor –protection_systems is specified. Use –pssh to provide custom
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protection systems or use –protection_systems to generate protection
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systems automatically.</p>
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</dd>
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<dt><kbd><span class="option">--enable_raw_key_decryption</span></kbd></dt>
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<dd><p>Enable decryption with raw key (keys provided in command line).</p>
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</dd>
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<dt><kbd><span class="option">--keys <var><key_info_string[,key_info_string][,key_info_string]…></var></span></kbd></dt>
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<dd><p><strong>key_info_string</strong> is of the form:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">label</span><span class="o">=<</span><span class="n">label</span><span class="o">></span><span class="p">:</span><span class="n">key_id</span><span class="o">=<</span><span class="n">key_id</span><span class="o">></span><span class="p">:</span><span class="n">key</span><span class="o">=<</span><span class="n">key</span><span class="o">></span>
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</pre></div>
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</div>
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<p><em>label</em> can be an arbitrary string or a predefined DRM label like AUDIO,
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SD, HD, etc. Label with an empty string indicates the default key and
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key_id. The <em>drm_label</em> in <a class="reference internal" href="../options/stream_descriptors.html"><span class="doc">Stream descriptors</span></a>,
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which can be implicit, determines which key info is applied to the stream
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by matching the <em>drm_label</em> with the <em>label</em> in key info.</p>
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<p><em>key_id</em> and <em>key</em> should be 32-digit hex strings.</p>
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</dd>
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<dt><kbd><span class="option">--iv <var><16-digit or 32-digit hex string></var></span></kbd></dt>
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<dd><p>IV in hex string format. If not specified, a random IV will be generated.
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This flag should only be used for testing. IV must be either 8 bytes
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(16 digits HEX) or 16 bytes (32 digits in HEX).</p>
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</dd>
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<dt><kbd><span class="option">--pssh <var><hex string></var></span></kbd></dt>
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<dd><p>One or more concatenated PSSH boxes in hex string format. If neither this
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flag nor –protection_systems is specified, a
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<a class="reference external" href="https://goo.gl/s8RIhr">v1 common PSSH box</a> will be generated.</p>
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</dd>
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</dl>
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</div>
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</div>
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</div>
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</div>
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