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< h3 > Navigation< / h3 >
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accesskey="I">index< / a > < / li >
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accesskey="P">previous< / a > |< / li >
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< li class = "nav-item nav-item-1" > < a href = "tutorials.html" > Tutorials< / a > » < / li >
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< li class = "nav-item nav-item-2" > < a href = "drm.html" accesskey = "U" > DRM< / a > » < / li >
< li class = "nav-item nav-item-this" > < a href = "" > Using Raw Key< / a > < / li >
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< section id = "using-raw-key" >
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< h1 > Using Raw Key< a class = "headerlink" href = "#using-raw-key" title = "Permalink to this headline" > ¶< / a > < / h1 >
< p > Shaka Packager supports raw keys, for which keys and key_ids are provided to
Shaka Packager directly.< / p >
< p > This is often used if you are managing the encryption keys yourself. It also
allows you to support multi-DRM by providing custom PSSHs.< / p >
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< section id = "synopsis" >
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< h2 > Synopsis< a class = "headerlink" href = "#synopsis" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager < stream_descriptor> ... \
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--enable_raw_key_encryption \
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--keys < key_info_string> [,< key_info_string> ]... \
[--pssh < concatenated_PSSHs> ] \
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[Other options, e.g. DASH options, HLS options]
< / pre > < / div >
< / div >
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< 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 > < span class = "p" > [:< / span > < span class = "n" > iv< / span > < span class = "o" > =< < / span > < span class = "n" > initialization_vector< / span > < span class = "o" > > < / span > < span class = "p" > ]< / span >
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< / pre > < / div >
< / div >
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< p > Custom PSSH(s) can be provided in < em > – < / em > . If neither –
– < a class = "reference external" href = "https://goo.gl/s8RIhr" > v1 common PSSH box< / a >
is generated.< / p >
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< / section >
< 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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< 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 >
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< li > < p > Example with pre-generated PSSH:< / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager \
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in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4,drm_label=AUDIO \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4,drm_label=SD \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4,drm_label=SD \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4,drm_label=HD \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4,drm_label=HD \
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--enable_raw_key_encryption \
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--keys label=AUDIO:key_id=f3c5e0361e6654b28f8049c778b23946:key=a4631a153a443df9eed0593043db7519,label=SD:key_id=abba271e8bcf552bbd2e86a434a9a5d9:key=69eaa802a6763af979e8d1940fb88392,label=HD:key_id=6d76f25cb17f5e16b8eaef6bbf582d8e:key=cb541084c99731aef4fff74500c12ead \
--pssh 000000317073736800000000EDEF8BA979D64ACEA3C827DCD51D21ED00000011220F7465737420636F6E74656E74206964 \
--mpd_output h264.mpd \
--hls_master_playlist_output h264_master.m3u8
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< / pre > < / div >
< / div >
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< / li >
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< li > < p > Common PSSH is generated if no PSSH or protection system flag is specified:< / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager \
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in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4,drm_label=AUDIO \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4,drm_label=SD \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4,drm_label=SD \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4,drm_label=HD \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4,drm_label=HD \
--enable_raw_key_encryption \
--keys label=AUDIO:key_id=f3c5e0361e6654b28f8049c778b23946:key=a4631a153a443df9eed0593043db7519,label=SD:key_id=abba271e8bcf552bbd2e86a434a9a5d9:key=69eaa802a6763af979e8d1940fb88392,label=HD:key_id=6d76f25cb17f5e16b8eaef6bbf582d8e:key=cb541084c99731aef4fff74500c12ead \
--mpd_output h264.mpd
< / pre > < / div >
< / div >
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< / li >
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< li > < p > Example with FairPlay using ‘ ’ < / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager \
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in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4,drm_label=AUDIO \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4,drm_label=SD \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4,drm_label=SD \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4,drm_label=HD \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4,drm_label=HD \
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--protection_scheme cbcs \
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--enable_raw_key_encryption \
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--keys label=AUDIO:key_id=f3c5e0361e6654b28f8049c778b23946:key=a4631a153a443df9eed0593043db7519:iv=11223344556677889900112233445566,label=SD:key_id=abba271e8bcf552bbd2e86a434a9a5d9:key=69eaa802a6763af979e8d1940fb88392:iv=22334455667788990011223344556677,label=HD:key_id=6d76f25cb17f5e16b8eaef6bbf582d8e:key=cb541084c99731aef4fff74500c12ead:iv=33445566778899001122334455667788 \
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--protection_systems FairPlay \
--hls_master_playlist_output h264_master.m3u8 \
--hls_key_uri skd://testAssetID
< / pre > < / div >
< / div >
< / li >
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< li > < p > Example with multi-drm (Widevine and PlayReady):< / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager \
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in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4,drm_label=AUDIO \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4,drm_label=SD \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4,drm_label=SD \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4,drm_label=HD \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4,drm_label=HD \
--enable_raw_key_encryption \
--keys label=AUDIO:key_id=f3c5e0361e6654b28f8049c778b23946:key=a4631a153a443df9eed0593043db7519,label=SD:key_id=abba271e8bcf552bbd2e86a434a9a5d9:key=69eaa802a6763af979e8d1940fb88392,label=HD:key_id=6d76f25cb17f5e16b8eaef6bbf582d8e:key=cb541084c99731aef4fff74500c12ead \
--protection_systems Widevine,PlayReady \
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--mpd_output h264.mpd
< / pre > < / div >
< / div >
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< / li >
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< li > < p > Example with LAURL:< / p >
< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ packager \
in=h264_baseline_360p_600.mp4,stream=audio,output=audio.mp4,drm_label=AUDIO \
in=h264_baseline_360p_600.mp4,stream=video,output=h264_360p.mp4,drm_label=SD \
in=h264_main_480p_1000.mp4,stream=video,output=h264_480p.mp4,drm_label=SD \
in=h264_main_720p_3000.mp4,stream=video,output=h264_720p.mp4,drm_label=HD \
in=h264_high_1080p_6000.mp4,stream=video,output=h264_1080p.mp4,drm_label=HD \
--enable_raw_key_encryption \
--keys label=AUDIO:key_id=f3c5e0361e6654b28f8049c778b23946:key=a4631a153a443df9eed0593043db7519,label=SD:key_id=abba271e8bcf552bbd2e86a434a9a5d9:key=69eaa802a6763af979e8d1940fb88392,label=HD:key_id=6d76f25cb17f5e16b8eaef6bbf582d8e:key=cb541084c99731aef4fff74500c12ead \
--protection_systems PlayReady \
--playready_extra_header_data ' < LAURL> https://example.com/pr< /LAURL> ' \
--mpd_output h264.mpd
< / pre > < / div >
< / div >
< / li >
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< / ul >
< div class = "admonition note" >
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< p class = "admonition-title" > Note< / p >
< p > Users are responsible for setting up the license servers and managing keys
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there unless they are using a cloud service provided by the DRM provider or
third_parties.< / p >
< / div >
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< 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 >
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< section id = "test-vectors-used-in-this-tutorial" >
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< h3 > Test vectors used in this tutorial< a class = "headerlink" href = "#test-vectors-used-in-this-tutorial" title = "Permalink to this headline" > ¶< / a > < / h3 >
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< dl class = "field-list" >
< dt class = "field-odd" > Key ID< / dt >
< dd class = "field-odd" > < div class = "line-block" >
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< div class = "line" > SD: abba271e8bcf552bbd2e86a434a9a5d9< / div >
< div class = "line" > HD: 6d76f25cb17f5e16b8eaef6bbf582d8e< / div >
< div class = "line" > AUDIO: f3c5e0361e6654b28f8049c778b23946< / div >
< / div >
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< p > Key ID must be 16 bytes or 32 digits in HEX.< / p >
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< / dd >
< dt class = "field-even" > Key< / dt >
< dd class = "field-even" > < div class = "line-block" >
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< div class = "line" > SD: 69eaa802a6763af979e8d1940fb88392< / div >
< div class = "line" > HD: cb541084c99731aef4fff74500c12ead< / div >
< div class = "line" > AUDIO: a4631a153a443df9eed0593043db7519< / div >
< / div >
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< p > Key must be 16 bytes or 32 digits in HEX.< / p >
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< / dd >
< dt class = "field-odd" > Widevine PSSH< / dt >
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< dd class = "field-odd" > < p > The PSSH 00000031707373… is generated using
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< a class = "reference external" href = "https://github.com/google/shaka-packager/tree/master/packager/tools/pssh" > pssh-box script< / a > :< / p >
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< div class = "highlight-default notranslate" > < div class = "highlight" > < pre > < span > < / span > $ pssh-box.py --widevine-system-id \
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--content-id 7465737420636f6e74656e74206964 --hex
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< / pre > < / div >
< / div >
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< / dd >
< / dl >
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< / section >
< / section >
< 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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< 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" >
< 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
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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 –
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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 >
< / dd >
< / dl >
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< / section >
< 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" >
< dt > < kbd > < span class = "option" > --protection_scheme < var > < scheme> < / var > < / span > < / kbd > < / dt >
< dd > < p > Specify a protection scheme, ‘ ’ ‘ ’
schemes ‘ ’ ‘ ’ < / p >
< / dd >
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< dt > < kbd > < span class = "option" > --crypt_byte_block< / span > < / kbd > < / dt >
< dd > < p > Specify the count of the encrypted blocks in the protection pattern, where
block is of size 16-bytes.< / p >
< p > There are three common patterns (crypt_byte_block:skip_byte_block):
1:9 (default), 5:5, 10:0.< / p >
< p > Apply to video streams with ‘ ’ ‘ ’
ignored otherwise.< / p >
< / dd >
< dt > < kbd > < span class = "option" > --skip_byte_block< / span > < / kbd > < / dt >
< dd > < p > Specify the count of the unencrypted blocks in the protection pattern.< / p >
< p > Apply to video streams with ‘ ’ ‘ ’
ignored otherwise.< / p >
< / dd >
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< 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 > < seconds> < / 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
‘ ’
encrypted. If segment_duration is greater than ‘ ’
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
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Widevine, PlayReady, FairPlay, Marlin, and
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< a class = "reference external" href = "https://goo.gl/s8RIhr" > CommonSystem< / a > .< / p >
< / dd >
< dt > < kbd > < span class = "option" > --playready_extra_header_data < var > < string> < / var > < / span > < / kbd > < / dt >
< dd > < p > Extra XML data to add to PlayReady PSSH data. Can be specified even if
using another key source.< / p >
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< / dd >
< / dl >
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< / section >
< 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" >
< dt > < kbd > < span class = "option" > --enable_raw_key_encryption< / span > < / kbd > < / dt >
< 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
– – –
protection systems or use –
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systems automatically.< / p >
< / dd >
< dt > < kbd > < span class = "option" > --enable_raw_key_decryption< / span > < / kbd > < / dt >
< dd > < p > Enable decryption with raw key (keys provided in command line).< / p >
< / dd >
< dt > < kbd > < span class = "option" > --keys < var > < key_info_string[,key_info_string][,key_info_string]…> < / var > < / span > < / kbd > < / dt >
< 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 > < span class = "p" > [:< / span > < span class = "n" > iv< / span > < span class = "o" > =< < / span > < span class = "n" > initialization_vector< / span > < span class = "o" > > < / span > < span class = "p" > ]< / span >
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< / pre > < / div >
< / div >
< p > < em > label< / em > can be an arbitrary string or a predefined DRM label like AUDIO,
SD, HD, etc. Label with an empty string indicates the default key and
key_id. The < em > drm_label< / em > in < a class = "reference internal" href = "../options/stream_descriptors.html" > < span class = "doc" > Stream descriptors< / span > < / a > ,
which can be implicit, determines which key info is applied to the stream
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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< p > < em > initialization_vector< / em > is an optional IV with the same format and semantics
as the parameter for the < em > – < / em > option below. This is mutually exclusive with
that option.< / p >
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< / dd >
< dt > < kbd > < span class = "option" > --iv < var > < 16-digit or 32-digit hex string> < / var > < / span > < / kbd > < / dt >
< 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 >
< / dd >
< dt > < kbd > < span class = "option" > --pssh < var > < hex string> < / var > < / span > < / kbd > < / dt >
< dd > < p > One or more concatenated PSSH boxes in hex string format. If neither this
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flag nor –
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< a class = "reference external" href = "https://goo.gl/s8RIhr" > v1 common PSSH box< / a > will be generated.< / p >
< / dd >
< / dl >
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< / section >
< / section >
< section id = "pssh-box-utility-to-generate-pssh-boxes" >
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< h2 > pssh-box (Utility to generate PSSH boxes)< a class = "headerlink" href = "#pssh-box-utility-to-generate-pssh-boxes" title = "Permalink to this headline" > ¶< / a > < / h2 >
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< p > < a class = "reference external" href = "https://github.com/google/shaka-packager/tree/master/packager/tools/pssh" > https://github.com/google/shaka-packager/tree/master/packager/tools/pssh< / a > < / p >
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< / section >
< / section >
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< div class = "clearer" > < / div >
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< / div >
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< / div >
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< div class = "sphinxsidebar" role = "navigation" aria-label = "main navigation" >
< div class = "sphinxsidebarwrapper" >
< h3 > < a href = "../index.html" > Table of Contents< / a > < / h3 >
< ul >
< li > < a class = "reference internal" href = "#" > Using Raw Key< / a > < ul >
< li > < a class = "reference internal" href = "#synopsis" > Synopsis< / a > < / li >
< li > < a class = "reference internal" href = "#examples" > Examples< / a > < ul >
< li > < a class = "reference internal" href = "#test-vectors-used-in-this-tutorial" > Test vectors used in this tutorial< / a > < / li >
< / ul >
< / 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 = "#raw-key-encryption-options" > Raw key encryption options< / a > < / li >
< / ul >
< / li >
< li > < a class = "reference internal" href = "#pssh-box-utility-to-generate-pssh-boxes" > pssh-box (Utility to generate PSSH boxes)< / a > < / li >
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< p class = "topless" > < a href = "playready.html"
title="previous chapter">Using PlayReady Key Server< / a > < / p >
< h4 > Next topic< / h4 >
< p class = "topless" > < a href = "text.html"
title="next chapter">Text output formats< / a > < / p >
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< li class = "nav-item nav-item-0" > < a href = "../index.html" > Shaka Packager documentation< / a > » < / li >
< li class = "nav-item nav-item-1" > < a href = "tutorials.html" > Tutorials< / a > » < / li >
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< li class = "nav-item nav-item-2" > < a href = "drm.html" > DRM< / a > » < / li >
< li class = "nav-item nav-item-this" > < a href = "" > Using Raw Key< / a > < / li >
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