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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be | 
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. | 
| 4 | 4 | 
| 5 #include "content/renderer/media/crypto/encrypted_media_player_support_impl.h" | 5 #include "content/renderer/media/crypto/encrypted_media_player_support_impl.h" | 
| 6 | 6 | 
| 7 #include <string> | 7 #include <string> | 
| 8 | 8 | 
| 9 #include "base/bind.h" | 9 #include "base/bind.h" | 
| 10 #include "base/callback_helpers.h" | 10 #include "base/callback_helpers.h" | 
| 11 #include "base/metrics/histogram.h" | 11 #include "base/metrics/histogram.h" | 
| 12 #include "base/strings/string_number_conversions.h" | 12 #include "base/strings/string_number_conversions.h" | 
| 13 #include "base/strings/string_util.h" | 13 #include "base/strings/string_util.h" | 
| 14 #include "base/strings/utf_string_conversions.h" | 14 #include "base/strings/utf_string_conversions.h" | 
| 15 #include "content/renderer/media/crypto/key_systems.h" | 15 #include "content/renderer/media/crypto/key_systems.h" | 
| 16 #include "content/renderer/media/webcontentdecryptionmodule_impl.h" | 16 #include "content/renderer/media/webcontentdecryptionmodule_impl.h" | 
| 17 #include "content/renderer/pepper/pepper_webplugin_impl.h" | 17 #include "content/renderer/pepper/pepper_webplugin_impl.h" | 
| 18 #include "media/base/bind_to_current_loop.h" | 18 #include "media/base/bind_to_current_loop.h" | 
|  | 19 #include "media/blink/encrypted_media_player_support.h" | 
| 19 #include "third_party/WebKit/public/platform/WebContentDecryptionModule.h" | 20 #include "third_party/WebKit/public/platform/WebContentDecryptionModule.h" | 
| 20 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" | 21 #include "third_party/WebKit/public/platform/WebContentDecryptionModuleResult.h" | 
| 21 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h" | 22 #include "third_party/WebKit/public/platform/WebMediaPlayerClient.h" | 
| 22 #include "third_party/WebKit/public/web/WebDocument.h" | 23 #include "third_party/WebKit/public/web/WebDocument.h" | 
| 23 #include "third_party/WebKit/public/web/WebLocalFrame.h" | 24 #include "third_party/WebKit/public/web/WebLocalFrame.h" | 
| 24 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" | 25 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" | 
| 25 | 26 | 
| 26 #if defined(ENABLE_PEPPER_CDMS) | 27 #if defined(ENABLE_PEPPER_CDMS) | 
| 27 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h" | 28 #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h" | 
| 28 #endif | 29 #endif | 
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| 116 // so we keep it as simple as possible without breaking major use cases. | 117 // so we keep it as simple as possible without breaking major use cases. | 
| 117 static std::string GuessInitDataType(const unsigned char* init_data, | 118 static std::string GuessInitDataType(const unsigned char* init_data, | 
| 118                                      unsigned init_data_length) { | 119                                      unsigned init_data_length) { | 
| 119   // Most WebM files use KeyId of 16 bytes. MP4 init data are always >16 bytes. | 120   // Most WebM files use KeyId of 16 bytes. MP4 init data are always >16 bytes. | 
| 120   if (init_data_length == 16) | 121   if (init_data_length == 16) | 
| 121     return "video/webm"; | 122     return "video/webm"; | 
| 122 | 123 | 
| 123   return "video/mp4"; | 124   return "video/mp4"; | 
| 124 } | 125 } | 
| 125 | 126 | 
| 126 scoped_ptr<EncryptedMediaPlayerSupport> EncryptedMediaPlayerSupportImpl::Create( | 127 scoped_ptr<media::EncryptedMediaPlayerSupport> | 
| 127     blink::WebMediaPlayerClient* client) { | 128 EncryptedMediaPlayerSupportImpl::Create(blink::WebMediaPlayerClient* client) { | 
| 128   return scoped_ptr<EncryptedMediaPlayerSupport>( | 129   return scoped_ptr<EncryptedMediaPlayerSupport>( | 
| 129       new EncryptedMediaPlayerSupportImpl(client)); | 130       new EncryptedMediaPlayerSupportImpl(client)); | 
| 130 } | 131 } | 
| 131 | 132 | 
| 132 EncryptedMediaPlayerSupportImpl::EncryptedMediaPlayerSupportImpl( | 133 EncryptedMediaPlayerSupportImpl::EncryptedMediaPlayerSupportImpl( | 
| 133     blink::WebMediaPlayerClient* client) | 134     blink::WebMediaPlayerClient* client) | 
| 134     : client_(client), | 135     : client_(client), | 
| 135       web_cdm_(NULL) { | 136       web_cdm_(NULL) { | 
| 136 } | 137 } | 
| 137 | 138 | 
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| 462 | 463 | 
| 463   if (web_cdm_) { | 464   if (web_cdm_) { | 
| 464     decryptor_ready_cb.Run(web_cdm_->GetDecryptor(), base::Bind(DoNothing)); | 465     decryptor_ready_cb.Run(web_cdm_->GetDecryptor(), base::Bind(DoNothing)); | 
| 465     return; | 466     return; | 
| 466   } | 467   } | 
| 467 | 468 | 
| 468   decryptor_ready_cb_ = decryptor_ready_cb; | 469   decryptor_ready_cb_ = decryptor_ready_cb; | 
| 469 } | 470 } | 
| 470 | 471 | 
| 471 }  // namespace content | 472 }  // namespace content | 
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