1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef MediaTexture_h 18 #define MediaTexture_h 19 20 #if USE(ACCELERATED_COMPOSITING) 21 22 #include "RefPtr.h" 23 #include "LayerAndroid.h" 24 #include "Vector.h" 25 #include <GLES2/gl2.h> 26 #include <ui/GraphicBuffer.h> 27 #include <utils/RefBase.h> 28 #include <jni.h> 29 30 namespace android { 31 class SurfaceTexture; 32 } 33 34 namespace WebCore { 35 36 typedef void (*FramerateCallbackProc)(ANativeWindow* window, int64_t timestamp); 37 38 class MediaListener; 39 40 class MediaTexture : public android::LightRefBase<MediaTexture> { 41 42 public: 43 MediaTexture(jobject webViewRef, jobject webViewCoreRef); 44 ~MediaTexture(); 45 46 bool isContentInverted(); 47 void invertContents(bool invertContent); 48 49 void initNativeWindowIfNeeded(); 50 void draw(const TransformationMatrix& contentMatrix, 51 const TransformationMatrix& videoMatrix, 52 const SkRect& mediaBounds); 53 54 ANativeWindow* getNativeWindowForContent(); 55 ANativeWindow* requestNativeWindowForVideo(); 56 57 void releaseNativeWindow(const ANativeWindow* window); 58 void setDimensions(const ANativeWindow* window, const SkRect& dimensions); 59 void setFramerateCallback(const ANativeWindow* window, 60 FramerateCallbackProc callback); 61 62 private: 63 struct TextureWrapper { 64 GLuint textureId; 65 sp<android::SurfaceTexture> surfaceTexture; 66 sp<ANativeWindow> nativeWindow; 67 sp<MediaListener> mediaListener; 68 SkRect dimensions; // only used by the video layer 69 }; 70 71 TextureWrapper* createTexture(); 72 void deleteTexture(TextureWrapper* item, bool force = false); 73 74 TextureWrapper* m_contentTexture; 75 Vector<TextureWrapper*> m_videoTextures; 76 Vector<GLuint> m_unusedTextures; 77 78 // used to track if the content is to be drawn inverted 79 bool m_isContentInverted; 80 81 // used to generate new video textures 82 bool m_newWindowRequest; 83 sp<ANativeWindow> m_newWindow; 84 85 jobject m_weakWebViewRef; 86 jobject m_weakWebViewCoreRef; 87 88 android::Mutex m_mediaLock; 89 android::Condition m_newMediaRequestCond; 90 }; 91 92 93 } // namespace WebCore 94 95 #endif // USE(ACCELERATED_COMPOSITING) 96 97 #endif // MediaTexture_h 98