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| 1 // Copyright 2013 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 WEBKIT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_ANDROID_H_ | |
| 6 #define WEBKIT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_ANDROID_H_ | |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include "cc/layers/video_frame_provider.h" | |
| 10 | |
| 11 namespace webkit_media { | |
| 12 | |
| 13 // The proxy class for the gpu thread to notify the compositor thread | |
| 14 // when a new video frame is available. | |
| 15 class StreamTextureProxy { | |
| 16 public: | |
| 17 // Initialize and bind to the current thread, which becomes the thread that | |
| 18 // a connected client will receive callbacks on. | |
| 19 virtual void BindToCurrentThread(int stream_id, int width, int height) = 0; | |
| 20 | |
| 21 virtual bool IsBoundToThread() = 0; | |
| 22 | |
| 23 // Setting the target for callback when a frame is available. This function | |
| 24 // could be called on both the main thread and the compositor thread. | |
| 25 virtual void SetClient(cc::VideoFrameProvider::Client* client) = 0; | |
| 26 | |
| 27 struct Deleter { | |
| 28 inline void operator()(StreamTextureProxy* ptr) const { ptr->Release(); } | |
| 29 }; | |
| 30 | |
| 31 protected: | |
| 32 virtual ~StreamTextureProxy() {} | |
| 33 | |
| 34 // Causes this instance to be deleted on the thread it is bound to. | |
| 35 virtual void Release() = 0; | |
| 36 }; | |
| 37 | |
| 38 typedef scoped_ptr<StreamTextureProxy, StreamTextureProxy::Deleter> | |
| 39 ScopedStreamTextureProxy; | |
| 40 | |
| 41 // Factory class for managing the stream texture. | |
| 42 class StreamTextureFactory { | |
| 43 public: | |
| 44 virtual ~StreamTextureFactory() {} | |
| 45 | |
| 46 // Create the StreamTextureProxy object. | |
| 47 virtual StreamTextureProxy* CreateProxy() = 0; | |
| 48 | |
| 49 // Send an IPC message to the browser process to request a java surface | |
| 50 // object for the given stream_id. After the the surface is created, | |
| 51 // it will be passed back to the WebMediaPlayerAndroid object identified by | |
| 52 // the player_id. | |
| 53 virtual void EstablishPeer(int stream_id, int player_id) = 0; | |
| 54 | |
| 55 // Create the streamTexture and return the stream Id and set the texture id. | |
| 56 virtual unsigned CreateStreamTexture(unsigned* texture_id) = 0; | |
| 57 | |
| 58 // Destroy the streamTexture for the given texture Id. | |
| 59 virtual void DestroyStreamTexture(unsigned texture_id) = 0; | |
| 60 }; | |
| 61 | |
| 62 } // namespace webkit_media | |
| 63 | |
| 64 #endif // WEBKIT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_ANDROID_H_ | |
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