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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 #ifndef MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 5 #ifndef MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
| 6 #define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 6 #define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
| 7 | 7 |
| 8 #include "media/base/media_export.h" | 8 #include "media/base/media_export.h" |
| 9 #include "media/blink/encrypted_media_player_support.h" | 9 #include "media/blink/encrypted_media_player_support.h" |
| 10 | 10 |
| 11 namespace media { | 11 namespace media { |
| 12 | 12 |
| 13 // A "null" implementation of the EncryptedMediaPlayerSupport interface | 13 // A "null" implementation of the EncryptedMediaPlayerSupport interface |
| 14 // that indicates all key systems are not supported. This makes sure that | 14 // that indicates all key systems are not supported. This makes sure that |
| 15 // any attempts to play encrypted content always fail. | 15 // any attempts to play encrypted content always fail. |
| 16 class MEDIA_EXPORT NullEncryptedMediaPlayerSupport | 16 class MEDIA_EXPORT NullEncryptedMediaPlayerSupport |
| 17 : public EncryptedMediaPlayerSupport { | 17 : public EncryptedMediaPlayerSupport { |
| 18 public: | 18 public: |
| 19 static scoped_ptr<EncryptedMediaPlayerSupport> Create( | 19 static scoped_ptr<EncryptedMediaPlayerSupport> Create( |
| 20 blink::WebMediaPlayerClient* client); | 20 blink::WebMediaPlayerClient* client); |
| 21 | 21 |
| 22 virtual ~NullEncryptedMediaPlayerSupport(); | 22 virtual ~NullEncryptedMediaPlayerSupport(); |
| 23 | 23 |
| 24 // Prefixed API methods. | 24 // Prefixed API methods. |
| 25 virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( | 25 virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest( |
| 26 blink::WebLocalFrame* frame, | 26 blink::WebLocalFrame* frame, |
| 27 const blink::WebString& key_system, | 27 const blink::WebString& key_system, |
| 28 const unsigned char* init_data, | 28 const unsigned char* init_data, |
| 29 unsigned init_data_length) OVERRIDE; | 29 unsigned init_data_length) override; |
| 30 | 30 |
| 31 virtual blink::WebMediaPlayer::MediaKeyException AddKey( | 31 virtual blink::WebMediaPlayer::MediaKeyException AddKey( |
| 32 const blink::WebString& key_system, | 32 const blink::WebString& key_system, |
| 33 const unsigned char* key, | 33 const unsigned char* key, |
| 34 unsigned key_length, | 34 unsigned key_length, |
| 35 const unsigned char* init_data, | 35 const unsigned char* init_data, |
| 36 unsigned init_data_length, | 36 unsigned init_data_length, |
| 37 const blink::WebString& session_id) OVERRIDE; | 37 const blink::WebString& session_id) override; |
| 38 | 38 |
| 39 virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest( | 39 virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest( |
| 40 const blink::WebString& key_system, | 40 const blink::WebString& key_system, |
| 41 const blink::WebString& session_id) OVERRIDE; | 41 const blink::WebString& session_id) override; |
| 42 | 42 |
| 43 | 43 |
| 44 // Unprefixed API methods. | 44 // Unprefixed API methods. |
| 45 virtual void SetInitialContentDecryptionModule( | 45 virtual void SetInitialContentDecryptionModule( |
| 46 blink::WebContentDecryptionModule* initial_cdm) OVERRIDE; | 46 blink::WebContentDecryptionModule* initial_cdm) override; |
| 47 virtual void SetContentDecryptionModule( | 47 virtual void SetContentDecryptionModule( |
| 48 blink::WebContentDecryptionModule* cdm) OVERRIDE; | 48 blink::WebContentDecryptionModule* cdm) override; |
| 49 virtual void SetContentDecryptionModule( | 49 virtual void SetContentDecryptionModule( |
| 50 blink::WebContentDecryptionModule* cdm, | 50 blink::WebContentDecryptionModule* cdm, |
| 51 blink::WebContentDecryptionModuleResult result) OVERRIDE; | 51 blink::WebContentDecryptionModuleResult result) override; |
| 52 | 52 |
| 53 | 53 |
| 54 // Callback factory and notification methods used by WebMediaPlayerImpl. | 54 // Callback factory and notification methods used by WebMediaPlayerImpl. |
| 55 | 55 |
| 56 // Creates a callback that Demuxers can use to signal that the content | 56 // Creates a callback that Demuxers can use to signal that the content |
| 57 // requires a key. This method makes sure the callback returned can be safely | 57 // requires a key. This method makes sure the callback returned can be safely |
| 58 // invoked from any thread. | 58 // invoked from any thread. |
| 59 virtual Demuxer::NeedKeyCB CreateNeedKeyCB() OVERRIDE; | 59 virtual Demuxer::NeedKeyCB CreateNeedKeyCB() override; |
| 60 | 60 |
| 61 // Creates a callback that renderers can use to set decryptor | 61 // Creates a callback that renderers can use to set decryptor |
| 62 // ready callback. This method makes sure the callback returned can be safely | 62 // ready callback. This method makes sure the callback returned can be safely |
| 63 // invoked from any thread. | 63 // invoked from any thread. |
| 64 virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() OVERRIDE; | 64 virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() override; |
| 65 | 65 |
| 66 // Called to inform this object that the media pipeline encountered | 66 // Called to inform this object that the media pipeline encountered |
| 67 // and handled a decryption error. | 67 // and handled a decryption error. |
| 68 virtual void OnPipelineDecryptError() OVERRIDE; | 68 virtual void OnPipelineDecryptError() override; |
| 69 | 69 |
| 70 private: | 70 private: |
| 71 NullEncryptedMediaPlayerSupport(); | 71 NullEncryptedMediaPlayerSupport(); |
| 72 | 72 |
| 73 DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport); | 73 DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport); |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 } // namespace media | 76 } // namespace media |
| 77 | 77 |
| 78 #endif // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ | 78 #endif // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_ |
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