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< title > DASH Media Packaging SDK: shaka::media::FixedKeySource Class Reference< / title >
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< li class = "navelem" > < a class = "el" href = "../../d8/daf/namespaceshaka.html" > shaka< / a > < / li > < li class = "navelem" > < b > media< / b > < / li > < li class = "navelem" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" > FixedKeySource< / a > < / li > < / ul >
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< a href = "#pub-static-methods" > Static Public Member Functions< / a > |
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< a href = "../../d9/dea/classshaka_1_1media_1_1FixedKeySource-members.html" > List of all members< / a > < / div >
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< div class = "title" > shaka::media::FixedKeySource Class Reference< / div > < / div >
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< p > A key source that uses fixed keys for encryption.
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< a href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#details" > More...< / a > < / p >
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< p > < code > #include < < a class = "el" href = "../../d3/d72/fixed__key__source_8h_source.html" > fixed_key_source.h< / a > > < / code > < / p >
< div class = "dynheader" >
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Inheritance diagram for shaka::media::FixedKeySource:< / div >
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< img src = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.png" usemap = "#shaka::media::FixedKeySource_map" alt = "" / >
< map id = "shaka::media::FixedKeySource_map" name = "shaka::media::FixedKeySource_map" >
< area href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" title = "KeySource is responsible for encryption key acquisition. " alt = "shaka::media::KeySource" shape = "rect" coords = "0,0,184,24" / >
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< / map >
< / div > < / div >
< table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "pub-methods" > < / a >
Public Member Functions< / h2 > < / td > < / tr >
< tr > < td colspan = "2" > < div class = "groupHeader" > KeySource implementation overrides.< / div > < / td > < / tr >
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< tr class = "memitem:a358b0955ecec61e6ce23611e2772265b" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a358b0955ecec61e6ce23611e2772265b" > FetchKeys< / a > (const std::vector< uint8_t > & pssh_box) override< / td > < / tr >
< tr class = "separator:a358b0955ecec61e6ce23611e2772265b" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aab2d8d84067ae5e778e3c242fec6dcb1" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#aab2d8d84067ae5e778e3c242fec6dcb1" > FetchKeys< / a > (const std::vector< std::vector< uint8_t > > & key_ids) override< / td > < / tr >
< tr class = "separator:aab2d8d84067ae5e778e3c242fec6dcb1" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a4dd894ee7e68340771d34bb81dce0ae5" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a4dd894ee7e68340771d34bb81dce0ae5" > FetchKeys< / a > (uint32_t asset_id) override< / td > < / tr >
< tr class = "separator:a4dd894ee7e68340771d34bb81dce0ae5" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a267d1f36d1c015fd5e8c20b93f270d0a" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a267d1f36d1c015fd5e8c20b93f270d0a" > GetKey< / a > (TrackType track_type, < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *key) override< / td > < / tr >
< tr class = "separator:a267d1f36d1c015fd5e8c20b93f270d0a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a58f9eae1ce9148a82f70118879b6c3f1" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a58f9eae1ce9148a82f70118879b6c3f1" > GetKey< / a > (const std::vector< uint8_t > & key_id, < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *key) override< / td > < / tr >
< tr class = "separator:a58f9eae1ce9148a82f70118879b6c3f1" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:afa9abf3a9104cbcb4711eac65c8a5bdf" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#afa9abf3a9104cbcb4711eac65c8a5bdf" > GetCryptoPeriodKey< / a > (uint32_t crypto_period_index, TrackType track_type, < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *key) override< / td > < / tr >
< tr class = "separator:afa9abf3a9104cbcb4711eac65c8a5bdf" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "pub-static-methods" > < / a >
Static Public Member Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:a9a91ba439d785022a1e2ceeaa9ebe81a" > < td class = "memItemLeft" align = "right" valign = "top" > static std::unique_ptr< br class = "typebreak" / >
< < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" > FixedKeySource< / a > >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html#a9a91ba439d785022a1e2ceeaa9ebe81a" > CreateFromHexStrings< / a > (const std::string & key_id_hex, const std::string & key_hex, const std::string & pssh_boxes_hex, const std::string & iv_hex)< / td > < / tr >
< tr class = "separator:a9a91ba439d785022a1e2ceeaa9ebe81a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "inherit_header pub_static_methods_classshaka_1_1media_1_1KeySource" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_static_methods_classshaka_1_1media_1_1KeySource')" > < img src = "../../closed.png" alt = "-" / >   Static Public Member Functions inherited from < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / td > < / tr >
< tr class = "memitem:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a0963412e7ee33d0e34893ebdf38d96c1" > < / a >
static TrackType  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a0963412e7ee33d0e34893ebdf38d96c1" > GetTrackTypeFromString< / a > (const std::string & track_type_string)< / td > < / tr >
< tr class = "memdesc:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Convert string representation of track type to enum representation. < br / > < / td > < / tr >
< tr class = "separator:a0963412e7ee33d0e34893ebdf38d96c1 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a4f9cede7a8c1678e1fac93c8fe12aa75" > < / a >
static std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a4f9cede7a8c1678e1fac93c8fe12aa75" > TrackTypeToString< / a > (TrackType track_type)< / td > < / tr >
< tr class = "memdesc:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Convert TrackType to string. < br / > < / td > < / tr >
< tr class = "separator:a4f9cede7a8c1678e1fac93c8fe12aa75 inherit pub_static_methods_classshaka_1_1media_1_1KeySource" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "inherited" > < / a >
Additional Inherited Members< / h2 > < / td > < / tr >
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< tr class = "inherit_header pub_types_classshaka_1_1media_1_1KeySource" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_types_classshaka_1_1media_1_1KeySource')" > < img src = "../../closed.png" alt = "-" / >   Public Types inherited from < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / td > < / tr >
< tr class = "memitem:a2bb2755c69385800fa57172e262befdd inherit pub_types_classshaka_1_1media_1_1KeySource" > < td class = "memItemLeft" align = "right" valign = "top" > enum   < / td > < td class = "memItemRight" valign = "bottom" > < b > TrackType< / b > { < br / >
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    < b > TRACK_TYPE_UNKNOWN< / b > = 0,
< b > TRACK_TYPE_SD< / b > = 1,
< b > TRACK_TYPE_HD< / b > = 2,
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< b > TRACK_TYPE_UHD1< / b > = 3,
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< br / >
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    < b > TRACK_TYPE_UHD2< / b > = 4,
< b > TRACK_TYPE_AUDIO< / b > = 5,
< b > TRACK_TYPE_UNSPECIFIED< / b > = 6,
< b > NUM_VALID_TRACK_TYPES< / b > = 6
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< br / >
}< / td > < / tr >
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< tr class = "separator:a2bb2755c69385800fa57172e262befdd inherit pub_types_classshaka_1_1media_1_1KeySource" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < p > A key source that uses fixed keys for encryption. < / p >
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< p > Definition at line < a class = "el" href = "../../d3/d72/fixed__key__source_8h_source.html#l00027" > 27< / a > of file < a class = "el" href = "../../d3/d72/fixed__key__source_8h_source.html" > fixed_key_source.h< / a > .< / p >
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< / div > < h2 class = "groupheader" > Member Function Documentation< / h2 >
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< a class = "anchor" id = "a9a91ba439d785022a1e2ceeaa9ebe81a" > < / a >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
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< td class = "memname" > std::unique_ptr< < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" > FixedKeySource< / a > > shaka::media::FixedKeySource::CreateFromHexStrings < / td >
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< td > (< / td >
< td class = "paramtype" > const std::string &   < / td >
< td class = "paramname" > < em > key_id_hex< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const std::string &   < / td >
< td class = "paramname" > < em > key_hex< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const std::string &   < / td >
< td class = "paramname" > < em > pssh_boxes_hex< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const std::string &   < / td >
< td class = "paramname" > < em > iv_hex< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / td >
< td class = "mlabels-right" >
< span class = "mlabels" > < span class = "mlabel" > static< / span > < / span > < / td >
< / tr >
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< / div > < div class = "memdoc" >
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< p > Creates a new < a class = "el" href = "../../d0/dac/classshaka_1_1media_1_1FixedKeySource.html" title = "A key source that uses fixed keys for encryption. " > FixedKeySource< / a > from the given hex strings. Returns null if the strings are invalid. < / p >
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< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > key_id_hex< / td > < td > is the key id in hex string. < / td > < / tr >
< tr > < td class = "paramname" > key_hex< / td > < td > is the key in hex string. < / td > < / tr >
< tr > < td class = "paramname" > pssh_boxes_hex< / td > < td > is the pssh_boxes in hex string. < / td > < / tr >
< tr > < td class = "paramname" > iv_hex< / td > < td > is the IV in hex string. If not specified, a randomly generated IV with the default length will be used. Note: GetKey on the created key source will always return the same key for all track types. < / td > < / tr >
< / table >
< / dd >
< / dl >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00087" > 87< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< / div >
< / div >
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< a class = "anchor" id = "a358b0955ecec61e6ce23611e2772265b" > < / a >
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< td class = "memname" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > shaka::media::FixedKeySource::FetchKeys < / td >
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< td > (< / td >
< td class = "paramtype" > const std::vector< uint8_t > &   < / td >
< td class = "paramname" > < em > pssh_box< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
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< p > Fetch keys for CENC from the key server. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > pssh_box< / td > < td > The entire PSSH box for the content to be decrypted < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#aca6ecdac6ebc131d3626b765f64cb2de" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00018" > 18< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< td class = "memname" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > shaka::media::FixedKeySource::FetchKeys < / td >
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< td > (< / td >
< td class = "paramtype" > const std::vector< std::vector< uint8_t > > &   < / td >
< td class = "paramname" > < em > key_ids< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
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< p > Fetch keys for CENC from the key server. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > key_ids< / td > < td > the key IDs for the keys to fetch from the server. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a42df88c1cdb415e7844eea18222692bb" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00023" > 23< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< td > (< / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > asset_id< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
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< span class = "mlabels" > < span class = "mlabel" > override< / span > < span class = "mlabel" > virtual< / span > < / span > < / td >
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< p > Fetch keys for WVM decryption from the key server. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > asset_id< / td > < td > is the Widevine Classic asset ID for the content to be decrypted. < / td > < / tr >
< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ad1c8f986a88647813f0e43a9b80d057e" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00029" > 29< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< td class = "memname" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > shaka::media::FixedKeySource::GetCryptoPeriodKey < / td >
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< td > (< / td >
< td class = "paramtype" > uint32_t  < / td >
< td class = "paramname" > < em > crypto_period_index< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > TrackType  < / td >
< td class = "paramname" > < em > track_type< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *  < / td >
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< td class = "paramname" > < em > key< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / td >
< td class = "mlabels-right" >
< span class = "mlabels" > < span class = "mlabel" > override< / span > < span class = "mlabel" > virtual< / span > < / span > < / td >
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< / div > < div class = "memdoc" >
< p > Get encryption key of the specified track type at the specified index. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > crypto_period_index< / td > < td > is the sequence number of the key rotation period for which the key is being retrieved. < / td > < / tr >
< tr > < td class = "paramname" > track_type< / td > < td > is the type of track for which retrieving the key. < / td > < / tr >
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< tr > < td class = "paramname" > key< / td > < td > is a pointer to the < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > which will hold the retrieved key. Owner retains ownership, and may not be NULL. < / td > < / tr >
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< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a18806b962c858e35ed07753687605b16" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00055" > 55< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< td class = "memname" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > shaka::media::FixedKeySource::GetKey < / td >
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< td > (< / td >
< td class = "paramtype" > TrackType  < / td >
< td class = "paramname" > < em > track_type< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *  < / td >
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< td class = "paramname" > < em > key< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / td >
< td class = "mlabels-right" >
< span class = "mlabels" > < span class = "mlabel" > override< / span > < span class = "mlabel" > virtual< / span > < / span > < / td >
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< p > Get encryption key of the specified track type. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > track_type< / td > < td > is the type of track for which retrieving the key. < / td > < / tr >
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< tr > < td class = "paramname" > key< / td > < td > is a pointer to the < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > which will hold the retrieved key. Owner retains ownership, and may not be NULL. < / td > < / tr >
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< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00034" > 34< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< td class = "memname" > < a class = "el" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > shaka::media::FixedKeySource::GetKey < / td >
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< td > (< / td >
< td class = "paramtype" > const std::vector< uint8_t > &   < / td >
< td class = "paramname" > < em > key_id< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > *  < / td >
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< td class = "paramname" > < em > key< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
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< p > Get the encryption key specified by the CENC key ID. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > key_id< / td > < td > is the unique identifier for the key being retreived. < / td > < / tr >
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< tr > < td class = "paramname" > key< / td > < td > is a pointer to the < a class = "el" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > which will hold the retrieved key. Owner retains ownership, and may not be NULL. < / td > < / tr >
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< / table >
< / dd >
< / dl >
< dl class = "section return" > < dt > Returns< / dt > < dd > OK on success, or an error status otherwise. < / dd > < / dl >
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< p > Implements < a class = "el" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#ae33f2cdbd045572095acd7b8d6c1a789" > shaka::media::KeySource< / a > .< / p >
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< p > Definition at line < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html#l00041" > 41< / a > of file < a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > .< / p >
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< / div >
< / div >
< hr / > The documentation for this class was generated from the following files:< ul >
< li > media/base/< a class = "el" href = "../../d3/d72/fixed__key__source_8h_source.html" > fixed_key_source.h< / a > < / li >
< li > media/base/< a class = "el" href = "../../d3/d6b/fixed__key__source_8cc_source.html" > fixed_key_source.cc< / a > < / li >
< / ul >
< / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
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Generated on Sat Jan 14 2017 01:49:03 for DASH Media Packaging SDK by   < a href = "http://www.doxygen.org/index.html" >
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< img class = "footer" src = "../../doxygen.png" alt = "doxygen" / >
< / a > 1.8.6
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