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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ |
6 #define MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include <unordered_map> | 11 #include <unordered_map> |
12 | 12 |
13 #include "base/macros.h" | 13 #include "base/macros.h" |
14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
15 #include "base/memory/weak_ptr.h" | 15 #include "base/memory/weak_ptr.h" |
16 #include "media/base/decryptor.h" | 16 #include "media/base/decryptor.h" |
17 #include "media/mojo/interfaces/decryptor.mojom.h" | 17 #include "media/mojo/interfaces/decryptor.mojom.h" |
18 #include "mojo/public/cpp/bindings/binding.h" | 18 #include "mojo/public/cpp/bindings/binding.h" |
19 #include "mojo/public/cpp/bindings/callback.h" | 19 #include "mojo/public/cpp/bindings/callback.h" |
20 #include "mojo/public/cpp/system/data_pipe.h" | 20 #include "mojo/public/cpp/system/data_pipe.h" |
21 | 21 |
22 namespace media { | 22 namespace media { |
23 | 23 |
24 class DecoderBuffer; | 24 class DecoderBuffer; |
25 class MediaKeys; | 25 class MediaKeys; |
26 | 26 |
27 // A interfaces::Decryptor implementation. This object is owned by the creator, | 27 // A mojom::Decryptor implementation. This object is owned by the creator, |
28 // and uses a weak binding across the mojo interface. | 28 // and uses a weak binding across the mojo interface. |
29 class MojoDecryptorService : public interfaces::Decryptor { | 29 class MojoDecryptorService : public mojom::Decryptor { |
30 public: | 30 public: |
31 // Constructs a MojoDecryptorService and binds it to the |request|. Keeps a | 31 // Constructs a MojoDecryptorService and binds it to the |request|. Keeps a |
32 // copy of |cdm| to prevent it from being deleted as long as it is needed. | 32 // copy of |cdm| to prevent it from being deleted as long as it is needed. |
33 // |error_handler| will be called if a connection error occurs. | 33 // |error_handler| will be called if a connection error occurs. |
34 MojoDecryptorService(const scoped_refptr<MediaKeys>& cdm, | 34 MojoDecryptorService(const scoped_refptr<MediaKeys>& cdm, |
35 mojo::InterfaceRequest<interfaces::Decryptor> request, | 35 mojo::InterfaceRequest<mojom::Decryptor> request, |
36 const mojo::Closure& error_handler); | 36 const mojo::Closure& error_handler); |
37 | 37 |
38 ~MojoDecryptorService() final; | 38 ~MojoDecryptorService() final; |
39 | 39 |
40 // interfaces::Decryptor implementation. | 40 // mojom::Decryptor implementation. |
41 void Initialize(mojo::ScopedDataPipeConsumerHandle receive_pipe, | 41 void Initialize(mojo::ScopedDataPipeConsumerHandle receive_pipe, |
42 mojo::ScopedDataPipeProducerHandle transmit_pipe) final; | 42 mojo::ScopedDataPipeProducerHandle transmit_pipe) final; |
43 void Decrypt(interfaces::DemuxerStream::Type stream_type, | 43 void Decrypt(mojom::DemuxerStream::Type stream_type, |
44 interfaces::DecoderBufferPtr encrypted, | 44 mojom::DecoderBufferPtr encrypted, |
45 const DecryptCallback& callback) final; | 45 const DecryptCallback& callback) final; |
46 void CancelDecrypt(interfaces::DemuxerStream::Type stream_type) final; | 46 void CancelDecrypt(mojom::DemuxerStream::Type stream_type) final; |
47 void InitializeAudioDecoder( | 47 void InitializeAudioDecoder( |
48 interfaces::AudioDecoderConfigPtr config, | 48 mojom::AudioDecoderConfigPtr config, |
49 const InitializeAudioDecoderCallback& callback) final; | 49 const InitializeAudioDecoderCallback& callback) final; |
50 void InitializeVideoDecoder( | 50 void InitializeVideoDecoder( |
51 interfaces::VideoDecoderConfigPtr config, | 51 mojom::VideoDecoderConfigPtr config, |
52 const InitializeVideoDecoderCallback& callback) final; | 52 const InitializeVideoDecoderCallback& callback) final; |
53 void DecryptAndDecodeAudio( | 53 void DecryptAndDecodeAudio( |
54 interfaces::DecoderBufferPtr encrypted, | 54 mojom::DecoderBufferPtr encrypted, |
55 const DecryptAndDecodeAudioCallback& callback) final; | 55 const DecryptAndDecodeAudioCallback& callback) final; |
56 void DecryptAndDecodeVideo( | 56 void DecryptAndDecodeVideo( |
57 interfaces::DecoderBufferPtr encrypted, | 57 mojom::DecoderBufferPtr encrypted, |
58 const DecryptAndDecodeVideoCallback& callback) final; | 58 const DecryptAndDecodeVideoCallback& callback) final; |
59 void ResetDecoder(interfaces::DemuxerStream::Type stream_type) final; | 59 void ResetDecoder(mojom::DemuxerStream::Type stream_type) final; |
60 void DeinitializeDecoder(interfaces::DemuxerStream::Type stream_type) final; | 60 void DeinitializeDecoder(mojom::DemuxerStream::Type stream_type) final; |
61 void ReleaseSharedBuffer(mojo::ScopedSharedBufferHandle buffer, | 61 void ReleaseSharedBuffer(mojo::ScopedSharedBufferHandle buffer, |
62 uint64_t buffer_size) final; | 62 uint64_t buffer_size) final; |
63 | 63 |
64 private: | 64 private: |
65 // Callback executed once Decrypt() is done. | 65 // Callback executed once Decrypt() is done. |
66 void OnDecryptDone(const DecryptCallback& callback, | 66 void OnDecryptDone(const DecryptCallback& callback, |
67 media::Decryptor::Status status, | 67 media::Decryptor::Status status, |
68 const scoped_refptr<DecoderBuffer>& buffer); | 68 const scoped_refptr<DecoderBuffer>& buffer); |
69 | 69 |
70 // Callbacks executed once decoder initialized. | 70 // Callbacks executed once decoder initialized. |
71 void OnAudioDecoderInitialized(const InitializeAudioDecoderCallback& callback, | 71 void OnAudioDecoderInitialized(const InitializeAudioDecoderCallback& callback, |
72 bool success); | 72 bool success); |
73 void OnVideoDecoderInitialized(const InitializeVideoDecoderCallback& callback, | 73 void OnVideoDecoderInitialized(const InitializeVideoDecoderCallback& callback, |
74 bool success); | 74 bool success); |
75 | 75 |
76 // Callbacks executed when DecryptAndDecode are done. | 76 // Callbacks executed when DecryptAndDecode are done. |
77 void OnAudioDecoded(const DecryptAndDecodeAudioCallback& callback, | 77 void OnAudioDecoded(const DecryptAndDecodeAudioCallback& callback, |
78 media::Decryptor::Status status, | 78 media::Decryptor::Status status, |
79 const media::Decryptor::AudioFrames& frames); | 79 const media::Decryptor::AudioFrames& frames); |
80 void OnVideoDecoded(const DecryptAndDecodeVideoCallback& callback, | 80 void OnVideoDecoded(const DecryptAndDecodeVideoCallback& callback, |
81 media::Decryptor::Status status, | 81 media::Decryptor::Status status, |
82 const scoped_refptr<VideoFrame>& frame); | 82 const scoped_refptr<VideoFrame>& frame); |
83 | 83 |
84 // Helper functions to write and read a DecoderBuffer. | 84 // Helper functions to write and read a DecoderBuffer. |
85 interfaces::DecoderBufferPtr TransferDecoderBuffer( | 85 mojom::DecoderBufferPtr TransferDecoderBuffer( |
86 const scoped_refptr<DecoderBuffer>& buffer); | 86 const scoped_refptr<DecoderBuffer>& buffer); |
87 scoped_refptr<DecoderBuffer> ReadDecoderBuffer( | 87 scoped_refptr<DecoderBuffer> ReadDecoderBuffer( |
88 interfaces::DecoderBufferPtr buffer); | 88 mojom::DecoderBufferPtr buffer); |
89 | 89 |
90 // A weak binding is used to connect to the MojoDecryptor. | 90 // A weak binding is used to connect to the MojoDecryptor. |
91 mojo::Binding<interfaces::Decryptor> binding_; | 91 mojo::Binding<mojom::Decryptor> binding_; |
92 | 92 |
93 // DataPipes for serializing the data section of DecoderBuffer into/from. | 93 // DataPipes for serializing the data section of DecoderBuffer into/from. |
94 mojo::ScopedDataPipeProducerHandle producer_handle_; | 94 mojo::ScopedDataPipeProducerHandle producer_handle_; |
95 mojo::ScopedDataPipeConsumerHandle consumer_handle_; | 95 mojo::ScopedDataPipeConsumerHandle consumer_handle_; |
96 | 96 |
97 // Keep ownership of |cdm_| while it is being used. |decryptor_| is the actual | 97 // Keep ownership of |cdm_| while it is being used. |decryptor_| is the actual |
98 // Decryptor referenced by |cdm_|. | 98 // Decryptor referenced by |cdm_|. |
99 scoped_refptr<MediaKeys> cdm_; | 99 scoped_refptr<MediaKeys> cdm_; |
100 media::Decryptor* decryptor_; | 100 media::Decryptor* decryptor_; |
101 | 101 |
102 // Keep a reference to VideoFrames until ReleaseSharedBuffer() is called | 102 // Keep a reference to VideoFrames until ReleaseSharedBuffer() is called |
103 // to release it. | 103 // to release it. |
104 std::unordered_map<MojoHandle, scoped_refptr<VideoFrame>> | 104 std::unordered_map<MojoHandle, scoped_refptr<VideoFrame>> |
105 in_use_video_frames_; | 105 in_use_video_frames_; |
106 | 106 |
107 base::WeakPtr<MojoDecryptorService> weak_this_; | 107 base::WeakPtr<MojoDecryptorService> weak_this_; |
108 base::WeakPtrFactory<MojoDecryptorService> weak_factory_; | 108 base::WeakPtrFactory<MojoDecryptorService> weak_factory_; |
109 | 109 |
110 DISALLOW_COPY_AND_ASSIGN(MojoDecryptorService); | 110 DISALLOW_COPY_AND_ASSIGN(MojoDecryptorService); |
111 }; | 111 }; |
112 | 112 |
113 } // namespace media | 113 } // namespace media |
114 | 114 |
115 #endif // MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ | 115 #endif // MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ |
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