Reland of Delete video_render module.

webrtc/modules/video_render/mac/video_render_nsopengl.h

-/*
- *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/engine_configurations.h"
-#if defined(COCOA_RENDERING)
-
-#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_NSOPENGL_H_
-#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_NSOPENGL_H_
-
-#import <Cocoa/Cocoa.h>
-#import <OpenGL/OpenGL.h>
-#import <OpenGL/glext.h>
-#import <OpenGL/glu.h>
-#include <QuickTime/QuickTime.h>
-#include <list>
-#include <map>
-#include <memory>
-
-#include "webrtc/base/thread_annotations.h"
-#include "webrtc/modules/video_render/video_render_defines.h"
-
-#import "webrtc/modules/video_render/mac/cocoa_full_screen_window.h"
-#import "webrtc/modules/video_render/mac/cocoa_render_view.h"
-
-class Trace;
-
-namespace rtc {
-class PlatformThread;
-}  // namespace rtc
-
-namespace webrtc {
-class EventTimerWrapper;
-class VideoRenderNSOpenGL;
-class CriticalSectionWrapper;
-
-class VideoChannelNSOpenGL : public VideoRenderCallback {
-public:
-    VideoChannelNSOpenGL(NSOpenGLContext *nsglContext, int iId, VideoRenderNSOpenGL* owner);
-    virtual ~VideoChannelNSOpenGL();
-
-    // A new frame is delivered
-    virtual int DeliverFrame(const VideoFrame& videoFrame);
-
-    // Called when the incoming frame size and/or number of streams in mix
-    // changes.
-    virtual int FrameSizeChange(int width, int height, int numberOfStreams);
-
-    virtual int UpdateSize(int width, int height);
-
-    // Setup
-    int SetStreamSettings(int streamId, float startWidth, float startHeight, float stopWidth, float stopHeight);
-    int SetStreamCropSettings(int streamId, float startWidth, float startHeight, float stopWidth, float stopHeight);
-
-    // Called when it's time to render the last frame for the channel
-    int RenderOffScreenBuffer();
-
-    // Returns true if a new buffer has been delivered to the texture
-    int IsUpdated(bool& isUpdated);
-    virtual int UpdateStretchSize(int stretchHeight, int stretchWidth);
-
-    // ********** new module functions ************ //
-    virtual int32_t RenderFrame(const uint32_t streamId,
-                                const VideoFrame& videoFrame);
-
-    // ********** new module helper functions ***** //
-    int ChangeContext(NSOpenGLContext *nsglContext);
-    int32_t GetChannelProperties(float& left,
-                                 float& top,
-                                 float& right,
-                                 float& bottom);
-
-private:
-
-    NSOpenGLContext* _nsglContext;
-    const int _id;
-    VideoRenderNSOpenGL* _owner;
-    int32_t _width;
-    int32_t _height;
-    float _startWidth;
-    float _startHeight;
-    float _stopWidth;
-    float _stopHeight;
-    int _stretchedWidth;
-    int _stretchedHeight;
-    int _oldStretchedHeight;
-    int _oldStretchedWidth;
-    unsigned char* _buffer;
-    size_t _bufferSize;
-    size_t _incomingBufferSize;
-    bool _bufferIsUpdated;
-    int _numberOfStreams;
-    GLenum _pixelFormat;
-    GLenum _pixelDataType;
-    unsigned int _texture;
-};
-
-class VideoRenderNSOpenGL
-{
-
-public: // methods
-    VideoRenderNSOpenGL(CocoaRenderView *windowRef, bool fullScreen, int iId);
-    ~VideoRenderNSOpenGL();
-
-    static int GetOpenGLVersion(int& nsglMajor, int& nsglMinor);
-
-    // Allocates textures
-    int Init();
-    VideoChannelNSOpenGL* CreateNSGLChannel(int streamID, int zOrder, float startWidth, float startHeight, float stopWidth, float stopHeight);
-    VideoChannelNSOpenGL* ConfigureNSGLChannel(int channel, int zOrder, float startWidth, float startHeight, float stopWidth, float stopHeight);
-    int DeleteNSGLChannel(int channel);
-    int DeleteAllNSGLChannels();
-    int StopThread();
-    bool IsFullScreen();
-    bool HasChannels();
-    bool HasChannel(int channel);
-    int GetChannels(std::list<int>& channelList);
-    void LockAGLCntx() EXCLUSIVE_LOCK_FUNCTION(_nsglContextCritSec);
-    void UnlockAGLCntx() UNLOCK_FUNCTION(_nsglContextCritSec);
-
-    // ********** new module functions ************ //
-    int ChangeWindow(CocoaRenderView* newWindowRef);
-    int32_t StartRender();
-    int32_t StopRender();
-    int32_t DeleteNSGLChannel(const uint32_t streamID);
-    int32_t GetChannelProperties(const uint16_t streamId,
-                                 uint32_t& zOrder,
-                                 float& left,
-                                 float& top,
-                                 float& right,
-                                 float& bottom);
-
-    int32_t SetText(const uint8_t textId,
-                    const uint8_t* text,
-                    const int32_t textLength,
-                    const uint32_t textColorRef,
-                    const uint32_t backgroundColorRef,
-                    const float left,
-                    const float top,
-                    const float right,
-                    const float bottom);
-
-    // ********** new module helper functions ***** //
-    int configureNSOpenGLEngine();
-    int configureNSOpenGLView();
-    int setRenderTargetWindow();
-    int setRenderTargetFullScreen();
-
-protected: // methods
-    static bool ScreenUpdateThreadProc(void* obj);
-    bool ScreenUpdateProcess();
-    int GetWindowRect(Rect& rect);
-
-private: // methods
-
-    int CreateMixingContext();
-    int RenderOffScreenBuffers();
-    int DisplayBuffers();
-
-private: // variables
-
-
-    CocoaRenderView* _windowRef;
-    bool _fullScreen;
-    int _id;
-    CriticalSectionWrapper& _nsglContextCritSec;
-    // TODO(pbos): Remove unique_ptr and use PlatformThread directly.
-    std::unique_ptr<rtc::PlatformThread> _screenUpdateThread;
-    EventTimerWrapper* _screenUpdateEvent;
-    NSOpenGLContext* _nsglContext;
-    NSOpenGLContext* _nsglFullScreenContext;
-    CocoaFullScreenWindow* _fullScreenWindow;
-    Rect _windowRect; // The size of the window
-    int _windowWidth;
-    int _windowHeight;
-    std::map<int, VideoChannelNSOpenGL*> _nsglChannels;
-    std::multimap<int, int> _zOrderToChannel;
-    bool _renderingIsPaused;
-    NSView* _windowRefSuperView;
-    NSRect _windowRefSuperViewFrame;
-};
-
-}  // namespace webrtc
-
-#endif   // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_NSOPENGL_H_
-#endif   // COCOA_RENDERING