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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_65f7acfa8cf3a5f1edc11faa2428b914.html" > formats< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_5039d854a18988ed1f1dbebc120ffbf7.html" > webm< / a > < / li > < / ul >
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< div class = "title" > encryptor.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2015 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/formats/webm/encryptor.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/media/base/aes_encryptor.h" < / span > < / div >
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< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/base/fourccs.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > #include " packager/media/base/media_sample.h" < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < / div >
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< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
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< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > webm {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > {< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   Status CreateContentEncryption(mkvmuxer::Track* track, EncryptionKey* key) {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "keywordflow" > if< / span > (!track-> AddContentEncoding()) {< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "stringliteral" > " Could not add ContentEncoding to track." < / span > );< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   }< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   mkvmuxer::ContentEncoding* < span class = "keyword" > const< / span > encoding =< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   track-> GetContentEncodingByIndex(0);< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keywordflow" > if< / span > (!encoding) {< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "stringliteral" > " Could not add ContentEncoding to track." < / span > );< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   }< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   mkvmuxer::ContentEncAESSettings* < span class = "keyword" > const< / span > aes = encoding-> enc_aes_settings();< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "keywordflow" > if< / span > (!aes) {< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR,< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < span class = "stringliteral" > " Error getting ContentEncAESSettings." < / span > );< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   }< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "keywordflow" > if< / span > (aes-> cipher_mode() != mkvmuxer::ContentEncAESSettings::kCTR) {< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR, < span class = "stringliteral" > " Cipher Mode is not CTR." < / span > );< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   }< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "keywordflow" > if< / span > (!key-> key_id.empty() & & < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   !encoding-> SetEncryptionID(< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   reinterpret_cast< const uint8*> (key-> key_id.data()),< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   key-> key_id.size())) {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "keywordflow" > return< / span > Status(error::INTERNAL_ERROR, < span class = "stringliteral" > " Error setting encryption ID." < / span > );< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   }< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   }< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   } < span class = "comment" > // namespace< / span > < / div >
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< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < / div >
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< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   Encryptor::Encryptor() {}< / div >
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< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < / div >
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< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   Encryptor::~Encryptor() {}< / div >
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< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < / div >
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< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > < a class = "line" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#ace5a25125eb3ca9848813ac044e56429" > 55< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#ace5a25125eb3ca9848813ac044e56429" > Encryptor::Initialize< / a > (< a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener,< / div >
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< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   KeySource::TrackType track_type,< / div >
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< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > KeySource< / a > * key_source) {< / div >
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< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   DCHECK(key_source);< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keywordflow" > return< / span > CreateEncryptor(muxer_listener, track_type, key_source);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   }< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
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< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > < a class = "line" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a866bb619cd0fde0c28ee522cbd4a8c59" > 62< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a866bb619cd0fde0c28ee522cbd4a8c59" > Encryptor::AddTrackInfo< / a > (mkvmuxer::Track* track) {< / div >
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< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   DCHECK(key_);< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keywordflow" > return< / span > CreateContentEncryption(track, key_.get());< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   }< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
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< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a3bfe9e0d99652811cb785832529f3d3c" > 67< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a3bfe9e0d99652811cb785832529f3d3c" > Encryptor::EncryptFrame< / a > (scoped_refptr< MediaSample> sample,< / div >
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< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keywordtype" > bool< / span > encrypt_frame) {< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   DCHECK(encryptor_);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > sample_size = sample-> data_size();< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordflow" > if< / span > (encrypt_frame) {< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "comment" > // | 1 | iv | enc_data |< / span > < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > size_t< / span > iv_size = encryptor_-> iv().size();< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   sample-> resize_data(sample_size + iv_size + 1);< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   uint8_t* sample_data = sample-> writable_data();< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "comment" > // Encrypt the data in-place.< / span > < / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "keywordflow" > if< / span > (!encryptor_-> Crypt(sample_data, sample_size, sample_data)) {< / div >
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< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::MUXER_FAILURE, < span class = "stringliteral" > " Failed to encrypt the frame." < / span > );< / div >
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< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   }< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "comment" > // First move the sample data to after the IV; then write the IV and signal< / span > < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "comment" > // byte.< / span > < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   memmove(sample_data + iv_size + 1, sample_data, sample_size);< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   sample_data[0] = 0x01;< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   memcpy(sample_data + 1, encryptor_-> iv().data(), iv_size);< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   encryptor_-> UpdateIv();< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // | 0 | data |< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   sample-> resize_data(sample_size + 1);< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   uint8_t* sample_data = sample-> writable_data();< / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   memmove(sample_data + 1, sample_data, sample_size);< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   sample_data[0] = 0x00;< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   }< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   }< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < / div >
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< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > Encryptor::CreateEncryptor(< a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener,< / div >
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< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   KeySource::TrackType track_type,< / div >
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< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > KeySource< / a > * key_source) {< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   scoped_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > < a class = "code" href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ());< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status = key_source-> < a class = "code" href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3" > GetKey< / a > (track_type, encryption_key.get());< / div >
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< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordflow" > if< / span > (encryption_key-> iv.empty()) {< / div >
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< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "../../df/d87/classshaka_1_1media_1_1AesCryptor.html#a40d9a82d274d6fbaee5346328f11dedd" > AesCryptor::GenerateRandomIv< / a > (FOURCC_cenc, & encryption_key-> iv))< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR, < span class = "stringliteral" > " Failed to generate random iv." < / span > );< / div >
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< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   }< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < / div >
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< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   scoped_ptr< AesCtrEncryptor> encryptor(< span class = "keyword" > new< / span > < a class = "code" href = "../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html" > AesCtrEncryptor< / a > ());< / div >
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< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > initialized =< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   encryptor-> InitializeWithIv(encryption_key-> key, encryption_key-> iv);< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "keywordflow" > if< / span > (!initialized)< / div >
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< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR, < span class = "stringliteral" > " Failed to create the encryptor." < / span > );< / div >
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< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keywordflow" > if< / span > (muxer_listener) {< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > bool< / span > kInitialEncryptionInfo = < span class = "keyword" > true< / span > ;< / div >
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< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   muxer_listener-> < a class = "code" href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ab521acca727bbe01aa15c751325c0001" > OnEncryptionInfoReady< / a > (< / div >
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< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   kInitialEncryptionInfo, FOURCC_cenc, encryption_key-> key_id,< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   encryptor-> iv(), encryption_key-> key_system_info);< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   }< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   key_ = encryption_key.Pass();< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   encryptor_ = encryptor.Pass();< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   }< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   } < span class = "comment" > // namespace webm< / span > < / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   } < span class = "comment" > // namespace media< / span > < / div >
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< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MuxerListener_html_ab521acca727bbe01aa15c751325c0001" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html#ab521acca727bbe01aa15c751325c0001" > shaka::media::MuxerListener::OnEncryptionInfoReady< / a > < / div > < div class = "ttdeci" > virtual void OnEncryptionInfoReady(bool is_initial_encryption_info, FourCC protection_scheme, const std::vector< uint8_t > & key_id, const std::vector< uint8_t > & iv, const std::vector< ProtectionSystemSpecificInfo > & key_system_info)=0< / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1webm_1_1Encryptor_html_a866bb619cd0fde0c28ee522cbd4a8c59" > < div class = "ttname" > < a href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a866bb619cd0fde0c28ee522cbd4a8c59" > shaka::media::webm::Encryptor::AddTrackInfo< / a > < / div > < div class = "ttdeci" > Status AddTrackInfo(mkvmuxer::Track *track)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d98/encryptor_8cc_source.html#l00062" > encryptor.cc:62< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html_a994eb66cf09d8b08fd1c964f6afd3ab3" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html#a994eb66cf09d8b08fd1c964f6afd3ab3" > shaka::media::KeySource::GetKey< / a > < / div > < div class = "ttdeci" > virtual Status GetKey(TrackType track_type, EncryptionKey *key)=0< / div > < / div >
< div class = "ttc" id = "structshaka_1_1media_1_1EncryptionKey_html" > < div class = "ttname" > < a href = "../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html" > shaka::media::EncryptionKey< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00020" > key_source.h:20< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1AesCryptor_html_a40d9a82d274d6fbaee5346328f11dedd" > < div class = "ttname" > < a href = "../../df/d87/classshaka_1_1media_1_1AesCryptor.html#a40d9a82d274d6fbaee5346328f11dedd" > shaka::media::AesCryptor::GenerateRandomIv< / a > < / div > < div class = "ttdeci" > static bool GenerateRandomIv(FourCC protection_scheme, std::vector< uint8_t > *iv)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d55/aes__cryptor_8cc_source.html#l00109" > aes_cryptor.cc:109< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1AesCtrEncryptor_html" > < div class = "ttname" > < a href = "../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html" > shaka::media::AesCtrEncryptor< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/df0/aes__encryptor_8h_source.html#l00043" > aes_encryptor.h:43< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1webm_1_1Encryptor_html_a3bfe9e0d99652811cb785832529f3d3c" > < div class = "ttname" > < a href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#a3bfe9e0d99652811cb785832529f3d3c" > shaka::media::webm::Encryptor::EncryptFrame< / a > < / div > < div class = "ttdeci" > Status EncryptFrame(scoped_refptr< MediaSample > sample, bool encrypt_frame)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d98/encryptor_8cc_source.html#l00067" > encryptor.cc:67< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1webm_1_1Encryptor_html_ace5a25125eb3ca9848813ac044e56429" > < div class = "ttname" > < a href = "../../de/dfa/classshaka_1_1media_1_1webm_1_1Encryptor.html#ace5a25125eb3ca9848813ac044e56429" > shaka::media::webm::Encryptor::Initialize< / a > < / div > < div class = "ttdeci" > Status Initialize(MuxerListener *muxer_listener, KeySource::TrackType track_type, KeySource *key_source)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d98/encryptor_8cc_source.html#l00055" > encryptor.cc:55< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00075" > status.h:75< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d1/d1f/classshaka_1_1media_1_1KeySource.html" > shaka::media::KeySource< / a > < / div > < div class = "ttdoc" > KeySource is responsible for encryption key acquisition. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../dc/d3f/key__source_8h_source.html#l00031" > key_source.h:31< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MuxerListener_html" > < div class = "ttname" > < a href = "../../dd/d7a/classshaka_1_1media_1_1MuxerListener.html" > shaka::media::MuxerListener< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/dfa/muxer__listener_8h_source.html#l00030" > muxer_listener.h:30< / a > < / div > < / div >
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