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<h3><a href="../index.html">Table of Contents</a></h3>
<ul>
<li><a class="reference internal" href="#">Using Widevine Key Server</a><ul>
<li><a class="reference internal" href="#synopsis">Synopsis</a></li>
<li><a class="reference internal" href="#examples">Examples</a></li>
<li><a class="reference internal" href="#widevine-test-credential">Widevine test credential</a></li>
<li><a class="reference internal" href="#configuration-options">Configuration options</a><ul>
<li><a class="reference internal" href="#drm-related-stream-descriptor-fields">DRM related Stream descriptor fields</a></li>
<li><a class="reference internal" href="#general-encryption-options">General encryption options</a></li>
<li><a class="reference internal" href="#widevine-encryption-options">Widevine encryption options</a></li>
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<div class="section" id="using-widevine-key-server">
<h1>Using Widevine Key Server<a class="headerlink" href="#using-widevine-key-server" title="Permalink to this headline"></a></h1>
<p>The easiest way to generate Widevine protected content is to use Widevine Cloud
Service.</p>
<p>Shaka Packager can talk to Widevine Cloud Service or any key server that
implements <a class="reference external" href="http://bit.ly/2vTG4oo">Common Encryption API for Widevine DRM</a> to
fetch encryption keys.</p>
<div class="section" id="synopsis">
<h2>Synopsis<a class="headerlink" href="#synopsis" title="Permalink to this headline"></a></h2>
<p>Widevine Common Encryption API supports request validation using either AES or
RSA.</p>
<p>AES signing:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager &lt;stream_descriptor&gt; ... \
--enable_widevine_encryption \
--key_server_url &lt;key_server_url&gt; \
--content_id &lt;content_id&gt; \
--signer &lt;signer&gt; --aes_signing_key &lt;aes_signing_key&gt; \
--aes_signing_iv &lt;aes_signing_iv&gt; \
[Other options, e.g. DASH options, HLS options]
</pre></div>
</div>
<p>RSA signing:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager &lt;stream_descriptor&gt; ... \
--enable_widevine_encryption \
--key_server_url &lt;key_server_url&gt; \
--content_id &lt;content_id&gt; \
--signer &lt;signer&gt; --rsa_signing_key_path &lt;rsa_signing_key_path&gt; \
[Other options, e.g. DASH options, HLS options]
</pre></div>
</div>
</div>
<div class="section" id="examples">
<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<p>The examples below use the H264 streams created in <a class="reference internal" href="encoding.html"><span class="doc">Media Encoding</span></a>.</p>
<ul>
<li><p>Example with both DASH and HLS output:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager \
in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4 \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4 \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4 \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4 \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4 \
--enable_widevine_encryption \
--key_server_url https://license.uat.widevine.com/cenc/getcontentkey/widevine_test \
--content_id 7465737420636f6e74656e74206964 \
--signer widevine_test \
--aes_signing_key 1ae8ccd0e7985cc0b6203a55855a1034afc252980e970ca90e5202689f947ab9 \
--aes_signing_iv d58ce954203b7c9a9a9d467f59839249 \
--mpd_output h264.mpd \
--hls_master_playlist_output h264_master.m3u8
</pre></div>
</div>
</li>
<li><p>Another example using ‘cbcs’ protection scheme:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager \
in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4 \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4 \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4 \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4 \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4 \
--protection_scheme cbcs \
--enable_widevine_encryption \
--key_server_url https://license.uat.widevine.com/cenc/getcontentkey/widevine_test \
--content_id 7465737420636f6e74656e74206964 \
--signer widevine_test \
--aes_signing_key 1ae8ccd0e7985cc0b6203a55855a1034afc252980e970ca90e5202689f947ab9 \
--aes_signing_iv d58ce954203b7c9a9a9d467f59839249 \
--mpd_output h264.mpd \
--hls_master_playlist_output h264_master.m3u8
</pre></div>
</div>
</li>
</ul>
<p>The examples above generate Widevine protection system by default. It can be
extended to support multi-drm with –protection_systems flag.</p>
<ul>
<li><p>Example with multi-drm (Widevine and PlayReady):</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ packager \
in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4 \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4 \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4 \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4 \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4 \
--enable_widevine_encryption \
--key_server_url https://license.uat.widevine.com/cenc/getcontentkey/widevine_test \
--content_id 7465737420636f6e74656e74206964 \
--signer widevine_test \
--aes_signing_key 1ae8ccd0e7985cc0b6203a55855a1034afc252980e970ca90e5202689f947ab9 \
--aes_signing_iv d58ce954203b7c9a9a9d467f59839249 \
--protection_systems Widevine,PlayReady
--mpd_output h264.mpd
</pre></div>
</div>
</li>
</ul>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Users are responsible for setting up the license servers and managing keys
there unless they are using a cloud service provided by the DRM provider or
third_parties.</p>
</div>
<p>Refer to
<a class="reference external" href="https://shaka-player-demo.appspot.com/docs/api/tutorial-drm-config.html">player setup</a>
on how to config the DRM in Shaka Player.</p>
</div>
<div class="section" id="widevine-test-credential">
<h2>Widevine test credential<a class="headerlink" href="#widevine-test-credential" title="Permalink to this headline"></a></h2>
<p>Here is the test crendential used in this tutorial.</p>
<dl class="field-list simple">
<dt class="field-odd">key_server_url</dt>
<dd class="field-odd"><p><a class="reference external" href="https://license.uat.widevine.com/cenc/getcontentkey/widevine_test">https://license.uat.widevine.com/cenc/getcontentkey/widevine_test</a></p>
</dd>
<dt class="field-even">signer</dt>
<dd class="field-even"><p>widevine_test</p>
</dd>
<dt class="field-odd">aes_signing_key</dt>
<dd class="field-odd"><p>1ae8ccd0e7985cc0b6203a55855a1034afc252980e970ca90e5202689f947ab9</p>
</dd>
<dt class="field-even">aes_signing_iv</dt>
<dd class="field-even"><p>d58ce954203b7c9a9a9d467f59839249</p>
</dd>
</dl>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The test credential is only meant for development. Please reach out to
<a class="reference external" href="https://support.google.com/widevine/troubleshooter/6027072">Widevine</a> if
you need something for production use.</p>
</div>
</div>
<div class="section" id="configuration-options">
<h2>Configuration options<a class="headerlink" href="#configuration-options" title="Permalink to this headline"></a></h2>
<div class="section" id="drm-related-stream-descriptor-fields">
<h3>DRM related Stream descriptor fields<a class="headerlink" href="#drm-related-stream-descriptor-fields" title="Permalink to this headline"></a></h3>
<dl class="field-list simple">
<dt class="field-odd">skip_encryption=0|1</dt>
<dd class="field-odd"><p>Optional. Defaults to 0 if not specified. If it is set to 1, no encryption
of the stream will be made.</p>
</dd>
<dt class="field-even">drm_label</dt>
<dd class="field-even"><p>Optional value for custom DRM label, which defines the encryption key
applied to the stream. Typically values include AUDIO, SD, HD, UHD1, UHD2.
For raw key, it should be a label defined in –keys. If not provided, the
DRM label is derived from stream type (video, audio), resolutions, etc.
Note that it is case sensitive.</p>
</dd>
</dl>
</div>
<div class="section" id="general-encryption-options">
<h3>General encryption options<a class="headerlink" href="#general-encryption-options" title="Permalink to this headline"></a></h3>
<dl class="option-list">
<dt><kbd><span class="option">--protection_scheme <var>&lt;scheme&gt;</var></span></kbd></dt>
<dd><p>Specify a protection scheme, ‘cenc’ or ‘cbc1’ or pattern-based protection
schemes ‘cens’ or ‘cbcs’.</p>
</dd>
<dt><kbd><span class="option">--vp9_subsample_encryption</span>, <span class="option">--novp9_subsample_encryption</span></kbd></dt>
<dd><p>Enable / disable VP9 subsample encryption. Enabled by default.</p>
</dd>
<dt><kbd><span class="option">--clear_lead <var>&lt;seconds&gt;</var></span></kbd></dt>
<dd><p>Clear lead in seconds if encryption is enabled.
Shaka Packager does not support partial encrypted segments, all the
segments including the partial segment overlapping with the initial
‘clear_lead’ seconds are not encrypted, with all the following segments
encrypted. If segment_duration is greater than ‘clear_lead’, then only the
first segment is not encrypted.
Default: 5</p>
</dd>
<dt><kbd><span class="option">--protection_systems</span></kbd></dt>
<dd><p>Protection systems to be generated. Supported protection systems include
Widevine, PlayReady, FairPlay, Marlin, and
CommonSystem (<a class="reference external" href="https://goo.gl/s8RIhr">https://goo.gl/s8RIhr</a>).</p>
</dd>
</dl>
</div>
<div class="section" id="widevine-encryption-options">
<h3>Widevine encryption options<a class="headerlink" href="#widevine-encryption-options" title="Permalink to this headline"></a></h3>
<dl class="option-list">
<dt><kbd><span class="option">--enable_widevine_encryption</span></kbd></dt>
<dd><p>Enable encryption with Widevine key server. User should provide either
AES signing key (–aes_signing_key, –aes_signing_iv) or RSA signing key
(–rsa_signing_key_path). This generates Widevine protection system if
–protection_systems is not specified. Use –protection_systems to generate
multiple protection systems.</p>
</dd>
<dt><kbd><span class="option">--enable_widevine_decryption</span></kbd></dt>
<dd><p>Enable decryption with Widevine key server. User should provide either
AES signing key (–aes_signing_key, –aes_signing_iv) or RSA signing key
(–rsa_signing_key_path).</p>
</dd>
<dt><kbd><span class="option">--key_server_url <var>&lt;url&gt;</var></span></kbd></dt>
<dd><p>Key server url. Required for Widevine encryption and decryption.</p>
</dd>
<dt><kbd><span class="option">--content_id <var>&lt;hex&gt;</var></span></kbd></dt>
<dd><p>Content identifier that uniquely identifies the content.</p>
</dd>
<dt><kbd><span class="option">--policy <var>&lt;policy&gt;</var></span></kbd></dt>
<dd><p>The name of a stored policy, which specifies DRM content rights.</p>
</dd>
<dt><kbd><span class="option">--max_sd_pixels <var>&lt;pixels&gt;</var></span></kbd></dt>
<dd><p>The video track is considered SD if its max pixels per frame is no higher
than <em>max_sd_pixels</em>. Default: 442368 (768 x 576).</p>
</dd>
<dt><kbd><span class="option">--max_hd_pixels <var>&lt;pixels&gt;</var></span></kbd></dt>
<dd><p>The video track is considered HD if its max pixels per frame is higher than
<em>max_sd_pixels</em>, but no higher than <em>max_hd_pixels</em>. Default: 2073600
(1920 x 1080).</p>
</dd>
<dt><kbd><span class="option">--max_uhd1_pixels <var>&lt;pixels&gt;</var></span></kbd></dt>
<dd><p>The video track is considered UHD1 if its max pixels per frame is higher
than <em>max_hd_pixels</em>, but no higher than <em>max_uhd1_pixels</em>. Otherwise it is
UHD2. Default: 8847360 (4096 x 2160).</p>
</dd>
<dt><kbd><span class="option">--signer <var>&lt;signer&gt;</var></span></kbd></dt>
<dd><p>The name of the signer.</p>
</dd>
<dt><kbd><span class="option">--aes_signing_key <var>&lt;hex&gt;</var></span></kbd></dt>
<dd><p>AES signing key in hex string. <em>aes_signing_iv</em> is required if
<em>aes_signing_key</em> is specified. This option is exclusive with
<em>rsa_signing_key_path</em>.</p>
</dd>
<dt><kbd><span class="option">--aes_signing_iv <var>&lt;hex&gt;</var></span></kbd></dt>
<dd><p>AES signing iv in hex string.</p>
</dd>
<dt><kbd><span class="option">--rsa_signing_key_path <var>&lt;file path&gt;</var></span></kbd></dt>
<dd><p>Path to the file containing PKCS#1 RSA private key for request signing.
This option is exclusive with <em>aes_signing_key</em>.</p>
</dd>
<dt><kbd><span class="option">--crypto_period_duration <var>&lt;seconds&gt;</var></span></kbd></dt>
<dd><p>Defines how often key rotates. If it is non-zero, key rotation is enabled.</p>
</dd>
<dt><kbd><span class="option">--group_id <var>&lt;hex&gt;</var></span></kbd></dt>
<dd><p>Identifier for a group of licenses.</p>
</dd>
</dl>
</div>
</div>
</div>
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