1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "content/renderer/media/crypto/content_decryption_module_factory.h"
6
7 #include "base/logging.h"
8 #include "content/renderer/media/crypto/key_systems.h"
9 #include "media/cdm/aes_decryptor.h"
10 #include "url/gurl.h"
11
12 #if defined(ENABLE_PEPPER_CDMS)
13 #include "content/renderer/media/crypto/ppapi_decryptor.h"
14 #elif defined(ENABLE_BROWSER_CDMS)
15 #include "content/renderer/media/crypto/proxy_media_keys.h"
16 #include "content/renderer/media/crypto/renderer_cdm_manager.h"
17 #endif // defined(ENABLE_PEPPER_CDMS)
18
19 namespace content {
20
Create(const std::string & key_system,const GURL & security_origin,const CreatePepperCdmCB & create_pepper_cdm_cb,const media::SessionMessageCB & session_message_cb,const media::SessionReadyCB & session_ready_cb,const media::SessionClosedCB & session_closed_cb,const media::SessionErrorCB & session_error_cb,const media::SessionKeysChangeCB & session_keys_change_cb,const media::SessionExpirationUpdateCB & session_expiration_update_cb)21 scoped_ptr<media::MediaKeys> ContentDecryptionModuleFactory::Create(
22 const std::string& key_system,
23 const GURL& security_origin,
24 #if defined(ENABLE_PEPPER_CDMS)
25 const CreatePepperCdmCB& create_pepper_cdm_cb,
26 #elif defined(ENABLE_BROWSER_CDMS)
27 RendererCdmManager* manager,
28 int* cdm_id,
29 #endif // defined(ENABLE_PEPPER_CDMS)
30 const media::SessionMessageCB& session_message_cb,
31 const media::SessionReadyCB& session_ready_cb,
32 const media::SessionClosedCB& session_closed_cb,
33 const media::SessionErrorCB& session_error_cb,
34 const media::SessionKeysChangeCB& session_keys_change_cb,
35 const media::SessionExpirationUpdateCB& session_expiration_update_cb) {
36 // TODO(jrummell): Pass |security_origin| to all constructors.
37 // TODO(jrummell): Enable the following line once blink code updated to
38 // check the security origin before calling.
39 // DCHECK(security_origin.is_valid());
40
41 #if defined(ENABLE_BROWSER_CDMS)
42 *cdm_id = RendererCdmManager::kInvalidCdmId;
43 #endif
44
45 if (CanUseAesDecryptor(key_system)) {
46 return scoped_ptr<media::MediaKeys>(new media::AesDecryptor(
47 session_message_cb, session_closed_cb, session_keys_change_cb));
48 }
49 #if defined(ENABLE_PEPPER_CDMS)
50 return scoped_ptr<media::MediaKeys>(
51 PpapiDecryptor::Create(key_system,
52 security_origin,
53 create_pepper_cdm_cb,
54 session_message_cb,
55 session_ready_cb,
56 session_closed_cb,
57 session_error_cb,
58 session_keys_change_cb,
59 session_expiration_update_cb));
60 #elif defined(ENABLE_BROWSER_CDMS)
61 scoped_ptr<ProxyMediaKeys> proxy_media_keys =
62 ProxyMediaKeys::Create(key_system,
63 security_origin,
64 manager,
65 session_message_cb,
66 session_ready_cb,
67 session_closed_cb,
68 session_error_cb,
69 session_keys_change_cb,
70 session_expiration_update_cb);
71 if (proxy_media_keys)
72 *cdm_id = proxy_media_keys->GetCdmId();
73 return proxy_media_keys.PassAs<media::MediaKeys>();
74 #else
75 return scoped_ptr<media::MediaKeys>();
76 #endif // defined(ENABLE_PEPPER_CDMS)
77 }
78
79 } // namespace content
80