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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 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_AUDIO_DECODER_SERVICE_H_ | 5 #ifndef MEDIA_MOJO_SERVICES_MOJO_AUDIO_DECODER_SERVICE_H_ |
| 6 #define MEDIA_MOJO_SERVICES_MOJO_AUDIO_DECODER_SERVICE_H_ | 6 #define MEDIA_MOJO_SERVICES_MOJO_AUDIO_DECODER_SERVICE_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> | 10 #include <memory> |
| 11 | 11 |
| 12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/memory/weak_ptr.h" | 13 #include "base/memory/weak_ptr.h" |
| 14 #include "media/base/audio_decoder.h" | 14 #include "media/base/audio_decoder.h" |
| 15 #include "media/mojo/interfaces/audio_decoder.mojom.h" | 15 #include "media/mojo/interfaces/audio_decoder.mojom.h" |
| 16 #include "mojo/public/cpp/bindings/strong_binding.h" | 16 #include "mojo/public/cpp/bindings/strong_binding.h" |
| 17 #include "mojo/public/cpp/system/data_pipe.h" | 17 #include "mojo/public/cpp/system/data_pipe.h" |
| 18 | 18 |
| 19 namespace media { | 19 namespace media { |
| 20 | 20 |
| 21 class MediaKeys; | 21 class MediaKeys; |
| 22 class MojoCdmServiceContext; | 22 class MojoCdmServiceContext; |
| 23 | 23 |
| 24 class MojoAudioDecoderService : public interfaces::AudioDecoder { | 24 class MojoAudioDecoderService : public mojom::AudioDecoder { |
| 25 public: | 25 public: |
| 26 MojoAudioDecoderService( | 26 MojoAudioDecoderService( |
| 27 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context, | 27 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context, |
| 28 std::unique_ptr<media::AudioDecoder> decoder, | 28 std::unique_ptr<media::AudioDecoder> decoder, |
| 29 mojo::InterfaceRequest<interfaces::AudioDecoder> request); | 29 mojo::InterfaceRequest<mojom::AudioDecoder> request); |
| 30 | 30 |
| 31 ~MojoAudioDecoderService() final; | 31 ~MojoAudioDecoderService() final; |
| 32 | 32 |
| 33 // interfaces::AudioDecoder implementation | 33 // mojom::AudioDecoder implementation |
| 34 void Initialize(interfaces::AudioDecoderClientPtr client, | 34 void Initialize(mojom::AudioDecoderClientPtr client, |
| 35 interfaces::AudioDecoderConfigPtr config, | 35 mojom::AudioDecoderConfigPtr config, |
| 36 int32_t cdm_id, | 36 int32_t cdm_id, |
| 37 const InitializeCallback& callback) final; | 37 const InitializeCallback& callback) final; |
| 38 | 38 |
| 39 void SetDataSource(mojo::ScopedDataPipeConsumerHandle receive_pipe) final; | 39 void SetDataSource(mojo::ScopedDataPipeConsumerHandle receive_pipe) final; |
| 40 | 40 |
| 41 void Decode(interfaces::DecoderBufferPtr buffer, | 41 void Decode(mojom::DecoderBufferPtr buffer, |
| 42 const DecodeCallback& callback) final; | 42 const DecodeCallback& callback) final; |
| 43 | 43 |
| 44 void Reset(const ResetCallback& callback) final; | 44 void Reset(const ResetCallback& callback) final; |
| 45 | 45 |
| 46 private: | 46 private: |
| 47 // Called by |decoder_| upon finishing initialization. | 47 // Called by |decoder_| upon finishing initialization. |
| 48 void OnInitialized(const InitializeCallback& callback, | 48 void OnInitialized(const InitializeCallback& callback, |
| 49 scoped_refptr<MediaKeys> cdm, | 49 scoped_refptr<MediaKeys> cdm, |
| 50 bool success); | 50 bool success); |
| 51 | 51 |
| 52 // Called by |decoder_| when DecoderBuffer is accepted or rejected. | 52 // Called by |decoder_| when DecoderBuffer is accepted or rejected. |
| 53 void OnDecodeStatus(const DecodeCallback& callback, | 53 void OnDecodeStatus(const DecodeCallback& callback, |
| 54 media::DecodeStatus status); | 54 media::DecodeStatus status); |
| 55 | 55 |
| 56 // Called by |decoder_| when reset sequence is finished. | 56 // Called by |decoder_| when reset sequence is finished. |
| 57 void OnResetDone(const ResetCallback& callback); | 57 void OnResetDone(const ResetCallback& callback); |
| 58 | 58 |
| 59 // Called by |decoder_| for each decoded buffer. | 59 // Called by |decoder_| for each decoded buffer. |
| 60 void OnAudioBufferReady(const scoped_refptr<AudioBuffer>& audio_buffer); | 60 void OnAudioBufferReady(const scoped_refptr<AudioBuffer>& audio_buffer); |
| 61 | 61 |
| 62 // A helper method to read and deserialize DecoderBuffer from data pipe. | 62 // A helper method to read and deserialize DecoderBuffer from data pipe. |
| 63 // Returns empty scoped_refptr in case of an error. | 63 // Returns empty scoped_refptr in case of an error. |
| 64 scoped_refptr<DecoderBuffer> ReadDecoderBuffer( | 64 scoped_refptr<DecoderBuffer> ReadDecoderBuffer( |
| 65 interfaces::DecoderBufferPtr buffer); | 65 mojom::DecoderBufferPtr buffer); |
| 66 | 66 |
| 67 // A binding represents the association between the service and the | 67 // A binding represents the association between the service and the |
| 68 // communication channel, i.e. the pipe. | 68 // communication channel, i.e. the pipe. |
| 69 mojo::StrongBinding<interfaces::AudioDecoder> binding_; | 69 mojo::StrongBinding<mojom::AudioDecoder> binding_; |
| 70 | 70 |
| 71 // DataPipe for serializing the data section of DecoderBuffer. | 71 // DataPipe for serializing the data section of DecoderBuffer. |
| 72 mojo::ScopedDataPipeConsumerHandle consumer_handle_; | 72 mojo::ScopedDataPipeConsumerHandle consumer_handle_; |
| 73 | 73 |
| 74 // A helper object required to get CDM from CDM id. | 74 // A helper object required to get CDM from CDM id. |
| 75 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context_; | 75 base::WeakPtr<MojoCdmServiceContext> mojo_cdm_service_context_; |
| 76 | 76 |
| 77 // The AudioDecoder that does actual decoding work. | 77 // The AudioDecoder that does actual decoding work. |
| 78 std::unique_ptr<media::AudioDecoder> decoder_; | 78 std::unique_ptr<media::AudioDecoder> decoder_; |
| 79 | 79 |
| 80 // The destination for the decoded buffers. | 80 // The destination for the decoded buffers. |
| 81 interfaces::AudioDecoderClientPtr client_; | 81 mojom::AudioDecoderClientPtr client_; |
| 82 | 82 |
| 83 // Hold a reference to the CDM to keep it alive for the lifetime of the | 83 // Hold a reference to the CDM to keep it alive for the lifetime of the |
| 84 // |decoder_|. The |cdm_| owns the CdmContext which is passed to |decoder_|. | 84 // |decoder_|. The |cdm_| owns the CdmContext which is passed to |decoder_|. |
| 85 scoped_refptr<MediaKeys> cdm_; | 85 scoped_refptr<MediaKeys> cdm_; |
| 86 | 86 |
| 87 base::WeakPtr<MojoAudioDecoderService> weak_this_; | 87 base::WeakPtr<MojoAudioDecoderService> weak_this_; |
| 88 base::WeakPtrFactory<MojoAudioDecoderService> weak_factory_; | 88 base::WeakPtrFactory<MojoAudioDecoderService> weak_factory_; |
| 89 | 89 |
| 90 DISALLOW_COPY_AND_ASSIGN(MojoAudioDecoderService); | 90 DISALLOW_COPY_AND_ASSIGN(MojoAudioDecoderService); |
| 91 }; | 91 }; |
| 92 | 92 |
| 93 } // namespace media | 93 } // namespace media |
| 94 | 94 |
| 95 #endif // MEDIA_MOJO_SERVICES_MOJO_AUDIO_DECODER_SERVICE_H_ | 95 #endif // MEDIA_MOJO_SERVICES_MOJO_AUDIO_DECODER_SERVICE_H_ |
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