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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/callback.h" | 13 #include "base/callback.h" |
| 14 #include "base/macros.h" | 14 #include "base/macros.h" |
| 15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
| 17 #include "media/base/decryptor.h" | 17 #include "media/base/decryptor.h" |
| 18 #include "media/mojo/interfaces/decryptor.mojom.h" | 18 #include "media/mojo/interfaces/decryptor.mojom.h" |
| 19 #include "mojo/public/cpp/bindings/binding.h" | 19 #include "mojo/public/cpp/bindings/binding.h" |
| 20 | 20 |
| 21 namespace media { | 21 namespace media { |
| 22 | 22 |
| 23 class DecoderBuffer; | 23 class DecoderBuffer; |
| 24 class MediaKeys; | 24 class ContentDecryptionModule; |
| 25 class MojoDecoderBufferReader; | 25 class MojoDecoderBufferReader; |
| 26 class MojoDecoderBufferWriter; | 26 class MojoDecoderBufferWriter; |
| 27 | 27 |
| 28 // A mojom::Decryptor implementation. This object is owned by the creator, | 28 // A mojom::Decryptor implementation. This object is owned by the creator, |
| 29 // and uses a weak binding across the mojo interface. | 29 // and uses a weak binding across the mojo interface. |
| 30 class MojoDecryptorService : public mojom::Decryptor { | 30 class MojoDecryptorService : public mojom::Decryptor { |
| 31 public: | 31 public: |
| 32 using StreamType = media::Decryptor::StreamType; | 32 using StreamType = media::Decryptor::StreamType; |
| 33 using Status = media::Decryptor::Status; | 33 using Status = media::Decryptor::Status; |
| 34 | 34 |
| 35 // Constructs a MojoDecryptorService and binds it to the |request|. Keeps a | 35 // Constructs a MojoDecryptorService and binds it to the |request|. Keeps a |
| 36 // copy of |cdm| to prevent it from being deleted as long as it is needed. | 36 // copy of |cdm| to prevent it from being deleted as long as it is needed. |
| 37 // |error_handler| will be called if a connection error occurs. | 37 // |error_handler| will be called if a connection error occurs. |
| 38 MojoDecryptorService(const scoped_refptr<MediaKeys>& cdm, | 38 MojoDecryptorService(const scoped_refptr<ContentDecryptionModule>& cdm, |
| 39 mojo::InterfaceRequest<mojom::Decryptor> request, | 39 mojo::InterfaceRequest<mojom::Decryptor> request, |
| 40 const base::Closure& error_handler); | 40 const base::Closure& error_handler); |
| 41 | 41 |
| 42 ~MojoDecryptorService() final; | 42 ~MojoDecryptorService() final; |
| 43 | 43 |
| 44 // mojom::Decryptor implementation. | 44 // mojom::Decryptor implementation. |
| 45 void Initialize(mojo::ScopedDataPipeConsumerHandle receive_pipe, | 45 void Initialize(mojo::ScopedDataPipeConsumerHandle receive_pipe, |
| 46 mojo::ScopedDataPipeProducerHandle transmit_pipe) final; | 46 mojo::ScopedDataPipeProducerHandle transmit_pipe) final; |
| 47 void Decrypt(StreamType stream_type, | 47 void Decrypt(StreamType stream_type, |
| 48 mojom::DecoderBufferPtr encrypted, | 48 mojom::DecoderBufferPtr encrypted, |
| (...skipping 48 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 97 mojo::Binding<mojom::Decryptor> binding_; | 97 mojo::Binding<mojom::Decryptor> binding_; |
| 98 | 98 |
| 99 // Helper class to send decrypted DecoderBuffer to the client. | 99 // Helper class to send decrypted DecoderBuffer to the client. |
| 100 std::unique_ptr<MojoDecoderBufferWriter> mojo_decoder_buffer_writer_; | 100 std::unique_ptr<MojoDecoderBufferWriter> mojo_decoder_buffer_writer_; |
| 101 | 101 |
| 102 // Helper class to receive encrypted DecoderBuffer from the client. | 102 // Helper class to receive encrypted DecoderBuffer from the client. |
| 103 std::unique_ptr<MojoDecoderBufferReader> mojo_decoder_buffer_reader_; | 103 std::unique_ptr<MojoDecoderBufferReader> mojo_decoder_buffer_reader_; |
| 104 | 104 |
| 105 // Keep ownership of |cdm_| while it is being used. |decryptor_| is the actual | 105 // Keep ownership of |cdm_| while it is being used. |decryptor_| is the actual |
| 106 // Decryptor referenced by |cdm_|. | 106 // Decryptor referenced by |cdm_|. |
| 107 scoped_refptr<MediaKeys> cdm_; | 107 scoped_refptr<ContentDecryptionModule> cdm_; |
| 108 media::Decryptor* decryptor_; | 108 media::Decryptor* decryptor_; |
| 109 | 109 |
| 110 // Keep a reference to VideoFrames until ReleaseSharedBuffer() is called | 110 // Keep a reference to VideoFrames until ReleaseSharedBuffer() is called |
| 111 // to release it. | 111 // to release it. |
| 112 std::unordered_map<MojoHandle, scoped_refptr<VideoFrame>> | 112 std::unordered_map<MojoHandle, scoped_refptr<VideoFrame>> |
| 113 in_use_video_frames_; | 113 in_use_video_frames_; |
| 114 | 114 |
| 115 base::WeakPtr<MojoDecryptorService> weak_this_; | 115 base::WeakPtr<MojoDecryptorService> weak_this_; |
| 116 base::WeakPtrFactory<MojoDecryptorService> weak_factory_; | 116 base::WeakPtrFactory<MojoDecryptorService> weak_factory_; |
| 117 | 117 |
| 118 DISALLOW_COPY_AND_ASSIGN(MojoDecryptorService); | 118 DISALLOW_COPY_AND_ASSIGN(MojoDecryptorService); |
| 119 }; | 119 }; |
| 120 | 120 |
| 121 } // namespace media | 121 } // namespace media |
| 122 | 122 |
| 123 #endif // MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ | 123 #endif // MEDIA_MOJO_SERVICES_MOJO_DECRYPTOR_SERVICE_H_ |
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