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1 // Copyright 2016 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 #ifndef MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_CDM_CONTEXT_H_ | |
6 #define MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_CDM_CONTEXT_H_ | |
7 | |
8 #include <jni.h> | |
9 | |
10 #include "base/android/scoped_java_ref.h" | |
11 #include "base/callback.h" | |
12 #include "base/macros.h" | |
13 #include "media/base/cdm_context.h" | |
14 #include "media/base/media_export.h" | |
15 #include "media/base/player_tracker.h" | |
16 | |
17 namespace media { | |
18 | |
19 class MediaDrmBridge; | |
20 | |
21 // The CdmContext implementation for MediaDrmBridge. MediaDrmBridge supports | |
22 // neither Decryptor nor CDM ID, but uses MediaCrypto to connect to MediaCodec. | |
23 // MediaCodec based decoders should cast the given CdmContext to this class to | |
ddorwin
2016/03/22 17:20:12
nit '-' before "based"
xhwang
2016/03/22 17:35:10
Done.
| |
24 // access APIs defined in this class. | |
25 // | |
26 // Methods can be called on any thread. The registered callbacks will be fired | |
27 // on the thread |media_drm_bridge_| is running on. The caller should make sure | |
28 // that the callbacks are posted to the correct thread. | |
29 // | |
30 // TODO(xhwang): Remove PlayerTracker interface. | |
31 class MEDIA_EXPORT MediaDrmBridgeCdmContext : public CdmContext, | |
32 public PlayerTracker { | |
33 public: | |
34 using JavaObjectPtr = scoped_ptr<base::android::ScopedJavaGlobalRef<jobject>>; | |
35 | |
36 // Notification called when MediaCrypto object is ready. | |
37 // Parameters: | |
38 // |media_crypto| - reference to MediaCrypto object | |
39 // |needs_protected_surface| - true if protected surface is required | |
40 using MediaCryptoReadyCB = base::Callback<void(JavaObjectPtr media_crypto, | |
41 bool needs_protected_surface)>; | |
42 | |
43 // The |media_drm_bridge| owns |this| and is guaranteed to outlive |this|. | |
44 explicit MediaDrmBridgeCdmContext(MediaDrmBridge* media_drm_bridge); | |
45 | |
46 ~MediaDrmBridgeCdmContext() final; | |
47 | |
48 // CdmContext implementation. | |
49 Decryptor* GetDecryptor() final; | |
50 int GetCdmId() const final; | |
51 | |
52 // PlayerTracker implementation. | |
53 // Methods can be called on any thread. The registered callbacks will be fired | |
54 // on |task_runner_|. The caller should make sure that the callbacks are | |
55 // posted to the correct thread. | |
56 // | |
57 // Note: RegisterPlayer() must be called before SetMediaCryptoReadyCB() to | |
58 // avoid missing any new key notifications. | |
59 int RegisterPlayer(const base::Closure& new_key_cb, | |
60 const base::Closure& cdm_unset_cb) final; | |
61 void UnregisterPlayer(int registration_id) final; | |
62 | |
63 void SetMediaCryptoReadyCB(const MediaCryptoReadyCB& media_crypto_ready_cb); | |
64 | |
65 private: | |
66 MediaDrmBridge* const media_drm_bridge_; | |
67 | |
68 DISALLOW_COPY_AND_ASSIGN(MediaDrmBridgeCdmContext); | |
69 }; | |
70 | |
71 } // namespace media | |
72 | |
73 #endif // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_CDM_CONTEXT_H_ | |
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