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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_3e9291fd7a18fdecc763294cb2628910.html" > mp4< / a > < / li > < / ul >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 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/mp4/key_rotation_fragmenter.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 >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/formats/mp4/box_definitions.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "keyword" > namespace < / span > edash_packager {< / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "keyword" > namespace < / span > mp4 {< / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "keyword" > namespace < / span > {< / div >
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< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / 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 = "l00018" > < / a > < span class = "lineno" > 18< / span >   } < span class = "comment" > // namespace< / span > < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
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< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a3cbcf26d592d8cca66fe406e0e4e1fc1" > 20< / a > < / span >   < a class = "code" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a3cbcf26d592d8cca66fe406e0e4e1fc1" > KeyRotationFragmenter::KeyRotationFragmenter< / a > (< a class = "code" href = "../../dd/da2/structedash__packager_1_1media_1_1mp4_1_1MovieFragment.html" > MovieFragment< / a > * moof,< / div >
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< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   scoped_refptr< StreamInfo> info,< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < a class = "code" href = "../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html" > TrackFragment< / a > * traf,< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < a class = "code" href = "../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html" > KeySource< / a > * encryption_key_source,< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   KeySource::TrackType track_type,< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   int64_t crypto_period_duration,< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   int64_t clear_time,< / div >
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< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   FourCC protection_scheme,< / div >
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< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   uint8_t crypt_byte_block,< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   uint8_t skip_byte_block,< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < a class = "code" href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html" > MuxerListener< / a > * muxer_listener)< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   : < a class = "code" href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html" > EncryptingFragmenter< / a > (info,< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   traf,< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   scoped_ptr< < a class = "code" href = "../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > > (new < a class = "code" href = "../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ()),< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   clear_time,< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   protection_scheme,< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   crypt_byte_block,< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   skip_byte_block),< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   moof_(moof),< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   encryption_key_source_(encryption_key_source),< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   track_type_(track_type),< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   crypto_period_duration_(crypto_period_duration),< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   prev_crypto_period_index_(-1),< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   muxer_listener_(muxer_listener) {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   DCHECK(moof);< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   DCHECK(encryption_key_source);< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   }< / 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 >   KeyRotationFragmenter::~KeyRotationFragmenter() {}< / div >
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< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < / div >
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< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8" > 50< / a > < / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8" > KeyRotationFragmenter::PrepareFragmentForEncryption< / a > (< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < span class = "keywordtype" > bool< / span > enable_encryption) {< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keywordtype" > bool< / span > need_to_refresh_encryptor = !encryptor();< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   < span class = "keywordtype" > size_t< / span > current_crypto_period_index =< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   traf()-> decode_time.decode_time / crypto_period_duration_;< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "keywordflow" > if< / span > (current_crypto_period_index != prev_crypto_period_index_) {< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   scoped_ptr< EncryptionKey> encryption_key(< span class = "keyword" > new< / span > < a class = "code" href = "../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html" > EncryptionKey< / a > ());< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > status = encryption_key_source_-> < a class = "code" href = "../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ad553c27e8575682eb408bef53d5f4e1c" > GetCryptoPeriodKey< / a > (< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   current_crypto_period_index, track_type_, encryption_key.get());< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "keywordflow" > if< / span > (encryption_key-> iv.empty()) {< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > if< / span > (!< a class = "code" href = "../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a0fccd9fe2270f0c584ff1f6c5dd6bd91" > AesCryptor::GenerateRandomIv< / a > (protection_scheme(),< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   & encryption_key-> iv)) {< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > (error::INTERNAL_ERROR, < span class = "stringliteral" > " Failed to generate random iv." < / span > );< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   }< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   set_encryption_key(encryption_key.Pass());< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   prev_crypto_period_index_ = current_crypto_period_index;< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   need_to_refresh_encryptor = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   }< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   DCHECK(encryption_key());< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keyword" > const< / span > std::vector< ProtectionSystemSpecificInfo> & system_info =< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   encryption_key()-> key_system_info;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   moof_-> pssh.resize(system_info.size());< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < system_info.size(); i++) {< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   moof_-> pssh[i].raw_box = system_info[i].CreateBox();< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   }< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "keywordflow" > if< / span > (muxer_listener_) {< / div >
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< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   muxer_listener_-> < a class = "code" href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a9fbfab6fc603afd8468db9d02b3a2474" > OnEncryptionInfoReady< / a > (!kInitialEncryptionInfo,< / div >
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< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   encryption_key()-> key_id,< / div >
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< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   encryption_key()-> iv,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   encryption_key()-> key_system_info);< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   }< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Skip the following steps if the current fragment is not going to be< / span > < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "comment" > // encrypted. ' pssh' box needs to be included in the fragment, which is< / span > < / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // performed above, regardless of whether the fragment is encrypted. This is< / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > // necessary for two reasons: 1) Requesting keys before reaching encrypted< / span > < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "comment" > // content avoids playback delay due to license requests; 2) In Chrome, CDM< / span > < / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // must be initialized before starting the playback and CDM can only be< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > // initialized with a valid ' pssh' .< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > if< / span > (!enable_encryption) {< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   DCHECK(!encryptor());< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   }< / 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 >   < span class = "keywordflow" > if< / span > (need_to_refresh_encryptor) {< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < a class = "code" href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > Status< / a > status = < a class = "code" href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a5ed5486f22438e20d0d41524a47f4dd3" > CreateEncryptor< / a > ();< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   }< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   DCHECK(encryptor());< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "comment" > // Key rotation happens in fragment boundary only in this implementation,< / span > < / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "comment" > // i.e. there is at most one key for the fragment. So there should be only< / span > < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // one entry in SampleGroupDescription box and one entry in SampleToGroup box.< / span > < / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "comment" > // Fill in SampleGroupDescription box information.< / span > < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   traf()-> sample_group_description.grouping_type = FOURCC_seig;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   traf()-> sample_group_description.entries.resize(1);< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keyword" > auto< / span > & sample_group_entry = traf()-> sample_group_description.entries[0];< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   sample_group_entry.is_protected = 1;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   < span class = "keywordflow" > if< / span > (protection_scheme() == FOURCC_cbcs) {< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < span class = "comment" > // For ' cbcs' scheme, Constant IVs SHALL be used.< / span > < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   sample_group_entry.per_sample_iv_size = 0;< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   sample_group_entry.constant_iv = encryptor()-> < a class = "code" href = "../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a049b4b415e44428c4543f7e2f7b36b34" > iv< / a > ();< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   sample_group_entry.per_sample_iv_size = encryptor()-> < a class = "code" href = "../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a049b4b415e44428c4543f7e2f7b36b34" > iv< / a > ().size();< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   }< / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   sample_group_entry.crypt_byte_block = crypt_byte_block();< / div >
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   sample_group_entry.skip_byte_block = skip_byte_block();< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   sample_group_entry.key_id = encryption_key()-> key_id;< / 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 >   < span class = "comment" > // Fill in SampleToGroup box information.< / span > < / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   traf()-> sample_to_group.grouping_type = FOURCC_seig;< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   traf()-> sample_to_group.entries.resize(1);< / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "comment" > // sample_count is adjusted in |FinalizeFragment| later.< / span > < / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   traf()-> sample_to_group.entries[0].group_description_index =< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   SampleToGroupEntry::kTrackFragmentGroupDescriptionIndexBase + 1;< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   }< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   < / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > < a class = "line" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc" > 136< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc" > KeyRotationFragmenter::FinalizeFragmentForEncryption< / a > () {< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < a class = "code" href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a0184deccbe7e99ea7a685cf0de2f9156" > EncryptingFragmenter::FinalizeFragmentForEncryption< / a > ();< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   DCHECK_EQ(1u, traf()-> sample_to_group.entries.size());< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   traf()-> sample_to_group.entries[0].sample_count =< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   traf()-> auxiliary_size.sample_count;< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   }< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   } < span class = "comment" > // namespace mp4< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   } < span class = "comment" > // namespace edash_packager< / span > < / div >
2016-04-15 19:07:50 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html_a3cbcf26d592d8cca66fe406e0e4e1fc1" > < div class = "ttname" > < a href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a3cbcf26d592d8cca66fe406e0e4e1fc1" > edash_packager::media::mp4::KeyRotationFragmenter::KeyRotationFragmenter< / a > < / div > < div class = "ttdeci" > KeyRotationFragmenter(MovieFragment *moof, scoped_refptr< StreamInfo > info, TrackFragment *traf, KeySource *encryption_key_source, KeySource::TrackType track_type, int64_t crypto_period_duration, int64_t clear_time, FourCC protection_scheme, uint8_t crypt_byte_block, uint8_t skip_byte_block, MuxerListener *muxer_listener)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00020" > key_rotation_fragmenter.cc:20< / a > < / div > < / div >
2016-04-18 18:53:05 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html_a9a89e103f4bcb483d882e5dc62060cdc" > < div class = "ttname" > < a href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a9a89e103f4bcb483d882e5dc62060cdc" > edash_packager::media::mp4::KeyRotationFragmenter::FinalizeFragmentForEncryption< / a > < / div > < div class = "ttdeci" > void FinalizeFragmentForEncryption() override< / div > < div class = "ttdoc" > Finalize current fragment for encryption. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00136" > key_rotation_fragmenter.cc:136< / a > < / div > < / div >
< div class = "ttc" id = "classedash__packager_1_1media_1_1MuxerListener_html_a9fbfab6fc603afd8468db9d02b3a2474" > < div class = "ttname" > < a href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html#a9fbfab6fc603afd8468db9d02b3a2474" > edash_packager::media::MuxerListener::OnEncryptionInfoReady< / a > < / div > < div class = "ttdeci" > virtual void OnEncryptionInfoReady(bool is_initial_encryption_info, const std::vector< uint8_t > & key_id, const std::vector< uint8_t > & iv, const std::vector< ProtectionSystemSpecificInfo > & key_system_info)=0< / div > < / div >
2016-03-21 19:14:00 +00:00
< div class = "ttc" id = "structedash__packager_1_1media_1_1EncryptionKey_html" > < div class = "ttname" > < a href = "../../d0/d86/structedash__packager_1_1media_1_1EncryptionKey.html" > edash_packager::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 >
2016-04-15 19:07:50 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html_a5ed5486f22438e20d0d41524a47f4dd3" > < div class = "ttname" > < a href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a5ed5486f22438e20d0d41524a47f4dd3" > edash_packager::media::mp4::EncryptingFragmenter::CreateEncryptor< / a > < / div > < div class = "ttdeci" > Status CreateEncryptor()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d41/encrypting__fragmenter_8cc_source.html#l00192" > encrypting_fragmenter.cc:192< / a > < / div > < / div >
2016-03-18 05:18:31 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html" > < div class = "ttname" > < a href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html" > edash_packager::media::mp4::EncryptingFragmenter< / a > < / div > < div class = "ttdoc" > EncryptingFragmenter generates MP4 fragments with sample encrypted. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/dcb/encrypting__fragmenter_8h_source.html#l00027" > encrypting_fragmenter.h:27< / a > < / div > < / div >
2016-04-12 23:13:12 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1AesCryptor_html_a0fccd9fe2270f0c584ff1f6c5dd6bd91" > < div class = "ttname" > < a href = "../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a0fccd9fe2270f0c584ff1f6c5dd6bd91" > edash_packager::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#l00058" > aes_cryptor.cc:58< / a > < / div > < / div >
2016-01-05 01:09:46 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d2/d90/classedash__packager_1_1media_1_1Status.html" > edash_packager::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 >
2016-04-15 19:07:50 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter_html_a8c526a2a3f0555be9030f87ef1015bd8" > < div class = "ttname" > < a href = "../../dc/d8a/classedash__packager_1_1media_1_1mp4_1_1KeyRotationFragmenter.html#a8c526a2a3f0555be9030f87ef1015bd8" > edash_packager::media::mp4::KeyRotationFragmenter::PrepareFragmentForEncryption< / a > < / div > < div class = "ttdeci" > Status PrepareFragmentForEncryption(bool enable_encryption) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d9/d15/key__rotation__fragmenter_8cc_source.html#l00050" > key_rotation_fragmenter.cc:50< / a > < / div > < / div >
2016-04-18 18:53:05 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1MuxerListener_html" > < div class = "ttname" > < a href = "../../df/de7/classedash__packager_1_1media_1_1MuxerListener.html" > edash_packager::media::MuxerListener< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../de/dfa/muxer__listener_8h_source.html#l00028" > muxer_listener.h:28< / a > < / div > < / div >
2016-03-21 19:14:00 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1KeySource_html" > < div class = "ttname" > < a href = "../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html" > edash_packager::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 >
2016-04-14 20:07:55 +00:00
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1MovieFragment_html" > < div class = "ttname" > < a href = "../../dd/da2/structedash__packager_1_1media_1_1mp4_1_1MovieFragment.html" > edash_packager::media::mp4::MovieFragment< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00703" > box_definitions.h:703< / a > < / div > < / div >
< div class = "ttc" id = "structedash__packager_1_1media_1_1mp4_1_1TrackFragment_html" > < div class = "ttname" > < a href = "../../d4/dd9/structedash__packager_1_1media_1_1mp4_1_1TrackFragment.html" > edash_packager::media::mp4::TrackFragment< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d5/d7b/box__definitions_8h_source.html#l00689" > box_definitions.h:689< / a > < / div > < / div >
2016-04-12 23:13:12 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1AesCryptor_html_a049b4b415e44428c4543f7e2f7b36b34" > < div class = "ttname" > < a href = "../../d9/d60/classedash__packager_1_1media_1_1AesCryptor.html#a049b4b415e44428c4543f7e2f7b36b34" > edash_packager::media::AesCryptor::iv< / a > < / div > < div class = "ttdeci" > const std::vector< uint8_t > & iv() const < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d0/d42/aes__cryptor_8h_source.html#l00060" > aes_cryptor.h:60< / a > < / div > < / div >
2016-04-15 19:07:50 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter_html_a0184deccbe7e99ea7a685cf0de2f9156" > < div class = "ttname" > < a href = "../../d8/d1e/classedash__packager_1_1media_1_1mp4_1_1EncryptingFragmenter.html#a0184deccbe7e99ea7a685cf0de2f9156" > edash_packager::media::mp4::EncryptingFragmenter::FinalizeFragmentForEncryption< / a > < / div > < div class = "ttdeci" > virtual void FinalizeFragmentForEncryption()< / div > < div class = "ttdoc" > Finalize current fragment for encryption. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d6/d41/encrypting__fragmenter_8cc_source.html#l00164" > encrypting_fragmenter.cc:164< / a > < / div > < / div >
2016-03-21 19:14:00 +00:00
< div class = "ttc" id = "classedash__packager_1_1media_1_1KeySource_html_ad553c27e8575682eb408bef53d5f4e1c" > < div class = "ttname" > < a href = "../../d9/d8b/classedash__packager_1_1media_1_1KeySource.html#ad553c27e8575682eb408bef53d5f4e1c" > edash_packager::media::KeySource::GetCryptoPeriodKey< / a > < / div > < div class = "ttdeci" > virtual Status GetCryptoPeriodKey(uint32_t crypto_period_index, TrackType track_type, EncryptionKey *key)=0< / div > < / div >
2015-10-16 00:33:37 +00:00
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2016-04-19 23:23:08 +00:00
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2015-10-16 00:33:37 +00:00
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