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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ | 5 #ifndef WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ |
6 #define WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ | 6 #define WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "media/base/decryptor.h" | 12 #include "media/base/decryptor.h" |
13 #include "media/base/video_decoder_config.h" | 13 #include "media/base/video_decoder_config.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class MessageLoopProxy; | 16 class MessageLoopProxy; |
17 } | 17 } |
18 | 18 |
19 namespace media { | |
20 class DecryptorClient; | |
21 } | |
22 | |
23 namespace webkit { | 19 namespace webkit { |
24 namespace ppapi { | 20 namespace ppapi { |
25 class ContentDecryptorDelegate; | 21 class ContentDecryptorDelegate; |
26 class PluginInstance; | 22 class PluginInstance; |
27 } | 23 } |
28 } | 24 } |
29 | 25 |
30 namespace webkit_media { | 26 namespace webkit_media { |
31 | 27 |
32 // PpapiDecryptor implements media::Decryptor and forwards all calls to the | 28 // PpapiDecryptor implements media::Decryptor and forwards all calls to the |
33 // PluginInstance. | 29 // PluginInstance. |
34 // This class should always be created & destroyed on the main renderer thread. | 30 // This class should always be created & destroyed on the main renderer thread. |
35 class PpapiDecryptor : public media::Decryptor { | 31 class PpapiDecryptor : public media::Decryptor { |
36 public: | 32 public: |
37 PpapiDecryptor( | 33 PpapiDecryptor( |
38 media::DecryptorClient* client, | 34 const scoped_refptr<webkit::ppapi::PluginInstance>& plugin_instance, |
39 const scoped_refptr<webkit::ppapi::PluginInstance>& plugin_instance); | 35 const media::KeyAddedCB& key_added_cb, |
| 36 const media::KeyErrorCB& key_error_cb, |
| 37 const media::KeyMessageCB& key_message_cb, |
| 38 const media::NeedKeyCB& need_key_cb); |
40 virtual ~PpapiDecryptor(); | 39 virtual ~PpapiDecryptor(); |
41 | 40 |
42 // media::Decryptor implementation. | 41 // media::Decryptor implementation. |
43 virtual bool GenerateKeyRequest(const std::string& key_system, | 42 virtual bool GenerateKeyRequest(const std::string& key_system, |
44 const std::string& type, | 43 const std::string& type, |
45 const uint8* init_data, | 44 const uint8* init_data, |
46 int init_data_length) OVERRIDE; | 45 int init_data_length) OVERRIDE; |
47 virtual void AddKey(const std::string& key_system, | 46 virtual void AddKey(const std::string& key_system, |
48 const uint8* key, | 47 const uint8* key, |
49 int key_length, | 48 int key_length, |
50 const uint8* init_data, | 49 const uint8* init_data, |
51 int init_data_length, | 50 int init_data_length, |
52 const std::string& session_id) OVERRIDE; | 51 const std::string& session_id) OVERRIDE; |
53 virtual void CancelKeyRequest(const std::string& key_system, | 52 virtual void CancelKeyRequest(const std::string& key_system, |
54 const std::string& session_id) OVERRIDE; | 53 const std::string& session_id) OVERRIDE; |
55 virtual void RegisterKeyAddedCB(StreamType stream_type, | 54 virtual void RegisterNewKeyCB(StreamType stream_type, |
56 const KeyAddedCB& key_added_cb) OVERRIDE; | 55 const NewKeyCB& key_added_cb) OVERRIDE; |
57 virtual void Decrypt(StreamType stream_type, | 56 virtual void Decrypt(StreamType stream_type, |
58 const scoped_refptr<media::DecoderBuffer>& encrypted, | 57 const scoped_refptr<media::DecoderBuffer>& encrypted, |
59 const DecryptCB& decrypt_cb) OVERRIDE; | 58 const DecryptCB& decrypt_cb) OVERRIDE; |
60 virtual void CancelDecrypt(StreamType stream_type) OVERRIDE; | 59 virtual void CancelDecrypt(StreamType stream_type) OVERRIDE; |
61 virtual void InitializeAudioDecoder( | 60 virtual void InitializeAudioDecoder( |
62 scoped_ptr<media::AudioDecoderConfig> config, | 61 scoped_ptr<media::AudioDecoderConfig> config, |
63 const DecoderInitCB& init_cb) OVERRIDE; | 62 const DecoderInitCB& init_cb) OVERRIDE; |
64 virtual void InitializeVideoDecoder( | 63 virtual void InitializeVideoDecoder( |
65 scoped_ptr<media::VideoDecoderConfig> config, | 64 scoped_ptr<media::VideoDecoderConfig> config, |
66 const DecoderInitCB& init_cb) OVERRIDE; | 65 const DecoderInitCB& init_cb) OVERRIDE; |
67 virtual void DecryptAndDecodeAudio( | 66 virtual void DecryptAndDecodeAudio( |
68 const scoped_refptr<media::DecoderBuffer>& encrypted, | 67 const scoped_refptr<media::DecoderBuffer>& encrypted, |
69 const AudioDecodeCB& audio_decode_cb) OVERRIDE; | 68 const AudioDecodeCB& audio_decode_cb) OVERRIDE; |
70 virtual void DecryptAndDecodeVideo( | 69 virtual void DecryptAndDecodeVideo( |
71 const scoped_refptr<media::DecoderBuffer>& encrypted, | 70 const scoped_refptr<media::DecoderBuffer>& encrypted, |
72 const VideoDecodeCB& video_decode_cb) OVERRIDE; | 71 const VideoDecodeCB& video_decode_cb) OVERRIDE; |
73 virtual void ResetDecoder(StreamType stream_type) OVERRIDE; | 72 virtual void ResetDecoder(StreamType stream_type) OVERRIDE; |
74 virtual void DeinitializeDecoder(StreamType stream_type) OVERRIDE; | 73 virtual void DeinitializeDecoder(StreamType stream_type) OVERRIDE; |
75 | 74 |
76 private: | 75 private: |
77 void ReportFailureToCallPlugin(const std::string& key_system, | 76 void ReportFailureToCallPlugin(const std::string& key_system, |
78 const std::string& session_id); | 77 const std::string& session_id); |
79 | 78 |
80 void OnDecoderInitialized(StreamType stream_type, bool success); | 79 void OnDecoderInitialized(StreamType stream_type, bool success); |
81 | 80 |
82 media::DecryptorClient* client_; | 81 // Callbacks for |plugin_cdm_delegate_| to fire key events. |
| 82 void KeyAdded(const std::string& key_system, const std::string& session_id); |
| 83 void KeyError(const std::string& key_system, |
| 84 const std::string& session_id, |
| 85 media::Decryptor::KeyError error_code, |
| 86 int system_code); |
| 87 void KeyMessage(const std::string& key_system, |
| 88 const std::string& session_id, |
| 89 const std::string& message, |
| 90 const std::string& default_url); |
| 91 void NeedKey(const std::string& key_system, |
| 92 const std::string& session_id, |
| 93 const std::string& type, |
| 94 scoped_array<uint8> init_data, int init_data_size); |
83 | 95 |
84 // Hold a reference of the plugin instance to make sure the plugin outlives | 96 // Hold a reference of the plugin instance to make sure the plugin outlives |
85 // the |plugin_cdm_delegate_|. This is needed because |plugin_cdm_delegate_| | 97 // the |plugin_cdm_delegate_|. This is needed because |plugin_cdm_delegate_| |
86 // is owned by the |plugin_instance_|. | 98 // is owned by the |plugin_instance_|. |
87 scoped_refptr<webkit::ppapi::PluginInstance> plugin_instance_; | 99 scoped_refptr<webkit::ppapi::PluginInstance> plugin_instance_; |
88 | 100 |
| 101 // Callbacks for firing key events. |
| 102 media::KeyAddedCB key_added_cb_; |
| 103 media::KeyErrorCB key_error_cb_; |
| 104 media::KeyMessageCB key_message_cb_; |
| 105 media::NeedKeyCB need_key_cb_; |
| 106 |
89 webkit::ppapi::ContentDecryptorDelegate* plugin_cdm_delegate_; | 107 webkit::ppapi::ContentDecryptorDelegate* plugin_cdm_delegate_; |
90 | 108 |
91 scoped_refptr<base::MessageLoopProxy> render_loop_proxy_; | 109 scoped_refptr<base::MessageLoopProxy> render_loop_proxy_; |
92 | 110 |
93 DecoderInitCB audio_decoder_init_cb_; | 111 DecoderInitCB audio_decoder_init_cb_; |
94 DecoderInitCB video_decoder_init_cb_; | 112 DecoderInitCB video_decoder_init_cb_; |
95 KeyAddedCB audio_key_added_cb_; | 113 NewKeyCB new_audio_key_cb_; |
96 KeyAddedCB video_key_added_cb_; | 114 NewKeyCB new_video_key_cb_; |
97 | 115 |
98 base::WeakPtrFactory<PpapiDecryptor> weak_ptr_factory_; | 116 base::WeakPtrFactory<PpapiDecryptor> weak_ptr_factory_; |
99 base::WeakPtr<PpapiDecryptor> weak_this_; | 117 base::WeakPtr<PpapiDecryptor> weak_this_; |
100 | 118 |
101 DISALLOW_COPY_AND_ASSIGN(PpapiDecryptor); | 119 DISALLOW_COPY_AND_ASSIGN(PpapiDecryptor); |
102 }; | 120 }; |
103 | 121 |
104 } // namespace webkit_media | 122 } // namespace webkit_media |
105 | 123 |
106 #endif // WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ | 124 #endif // WEBKIT_MEDIA_CRYPTO_PPAPI_DECRYPTOR_H_ |
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