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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ | 6 #define CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <memory> | 10 #include <memory> |
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| 29 | 29 |
| 30 class ContextProviderCommandBuffer; | 30 class ContextProviderCommandBuffer; |
| 31 class StreamTextureFactory; | 31 class StreamTextureFactory; |
| 32 | 32 |
| 33 // The proxy class for the gpu thread to notify the compositor thread | 33 // The proxy class for the gpu thread to notify the compositor thread |
| 34 // when a new video frame is available. | 34 // when a new video frame is available. |
| 35 class StreamTextureProxy : public StreamTextureHost::Listener { | 35 class StreamTextureProxy : public StreamTextureHost::Listener { |
| 36 public: | 36 public: |
| 37 ~StreamTextureProxy() override; | 37 ~StreamTextureProxy() override; |
| 38 | 38 |
| 39 // Initialize and bind to the loop, which becomes the thread that | 39 // Initialize and bind to |task_runner|, which becomes the thread that the |
| 40 // a connected client will receive callbacks on. This can be called | 40 // provided callback will be run on. This can be called on any thread, but |
| 41 // on any thread, but must be called with the same loop every time. | 41 // must be called with the same |task_runner| every time. |
| 42 void BindToLoop(int32_t stream_id, | 42 void BindToTaskRunner( |
| 43 cc::VideoFrameProvider::Client* client, | 43 int32_t stream_id, |
| 44 scoped_refptr<base::SingleThreadTaskRunner> loop); | 44 const base::Closure& received_frame_cb, |
| 45 scoped_refptr<base::SingleThreadTaskRunner> task_runner); |
| 45 | 46 |
| 46 // StreamTextureHost::Listener implementation: | 47 // StreamTextureHost::Listener implementation: |
| 47 void OnFrameAvailable() override; | 48 void OnFrameAvailable() override; |
| 48 | 49 |
| 49 struct Deleter { | 50 struct Deleter { |
| 50 inline void operator()(StreamTextureProxy* ptr) const { ptr->Release(); } | 51 inline void operator()(StreamTextureProxy* ptr) const { ptr->Release(); } |
| 51 }; | 52 }; |
| 52 private: | 53 private: |
| 53 friend class StreamTextureFactory; | 54 friend class StreamTextureFactory; |
| 54 explicit StreamTextureProxy(StreamTextureHost* host); | 55 explicit StreamTextureProxy(StreamTextureHost* host); |
| 55 | 56 |
| 56 void BindOnThread(int32_t stream_id); | 57 void BindOnThread(int32_t stream_id); |
| 57 void Release(); | 58 void Release(); |
| 58 | 59 |
| 59 const std::unique_ptr<StreamTextureHost> host_; | 60 const std::unique_ptr<StreamTextureHost> host_; |
| 60 | 61 |
| 61 // Protects access to |client_| and |loop_|. | 62 // Protects access to |received_frame_cb_| and |task_runner_|. |
| 62 base::Lock lock_; | 63 base::Lock lock_; |
| 63 cc::VideoFrameProvider::Client* client_; | 64 base::Closure received_frame_cb_; |
| 64 scoped_refptr<base::SingleThreadTaskRunner> loop_; | 65 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; |
| 65 | 66 |
| 66 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureProxy); | 67 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureProxy); |
| 67 }; | 68 }; |
| 68 | 69 |
| 69 typedef std::unique_ptr<StreamTextureProxy, StreamTextureProxy::Deleter> | 70 typedef std::unique_ptr<StreamTextureProxy, StreamTextureProxy::Deleter> |
| 70 ScopedStreamTextureProxy; | 71 ScopedStreamTextureProxy; |
| 71 | 72 |
| 72 // Factory class for managing stream textures. | 73 // Factory class for managing stream textures. |
| 73 class CONTENT_EXPORT StreamTextureFactory | 74 class CONTENT_EXPORT StreamTextureFactory |
| 74 : public base::RefCounted<StreamTextureFactory> { | 75 : public base::RefCounted<StreamTextureFactory> { |
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| 105 | 106 |
| 106 scoped_refptr<ContextProviderCommandBuffer> context_provider_; | 107 scoped_refptr<ContextProviderCommandBuffer> context_provider_; |
| 107 scoped_refptr<gpu::GpuChannelHost> channel_; | 108 scoped_refptr<gpu::GpuChannelHost> channel_; |
| 108 | 109 |
| 109 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureFactory); | 110 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureFactory); |
| 110 }; | 111 }; |
| 111 | 112 |
| 112 } // namespace content | 113 } // namespace content |
| 113 | 114 |
| 114 #endif // CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ | 115 #endif // CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_H_ |
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