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/*
* Copyright (c) 2011 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(CARBON_RENDERING)
#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#include "webrtc/modules/video_render/include/video_render_defines.h"
#define NEW_HIVIEW_PARENT_EVENT_HANDLER 1
#define NEW_HIVIEW_EVENT_HANDLER 1
#define USE_STRUCT_RGN
#include <AGL/agl.h>
#include <Carbon/Carbon.h>
#include <OpenGL/OpenGL.h>
#include <OpenGL/glext.h>
#include <OpenGL/glu.h>
#include <list>
#include <map>
class VideoRenderAGL;
namespace webrtc {
class CriticalSectionWrapper;
class EventWrapper;
class ThreadWrapper;
class VideoChannelAGL : public VideoRenderCallback {
public:
VideoChannelAGL(AGLContext& aglContext, int iId, VideoRenderAGL* owner);
virtual ~VideoChannelAGL();
virtual int FrameSizeChange(int width, int height, int numberOfStreams);
virtual int DeliverFrame(const I420VideoFrame& videoFrame);
virtual int UpdateSize(int width, int height);
int SetStreamSettings(int streamId, float startWidth, float startHeight,
float stopWidth, float stopHeight);
int SetStreamCropSettings(int streamId, float startWidth, float startHeight,
float stopWidth, float stopHeight);
int RenderOffScreenBuffer();
int IsUpdated(bool& isUpdated);
virtual int UpdateStretchSize(int stretchHeight, int stretchWidth);
virtual int32_t RenderFrame(const uint32_t streamId,
I420VideoFrame& videoFrame);
private:
AGLContext _aglContext;
int _id;
VideoRenderAGL* _owner;
int _width;
int _height;
int _stretchedWidth;
int _stretchedHeight;
float _startHeight;
float _startWidth;
float _stopWidth;
float _stopHeight;
int _xOldWidth;
int _yOldHeight;
int _oldStretchedHeight;
int _oldStretchedWidth;
unsigned char* _buffer;
size_t _bufferSize;
size_t _incomingBufferSize;
bool _bufferIsUpdated;
bool _sizeInitialized;
int _numberOfStreams;
bool _bVideoSizeStartedChanging;
GLenum _pixelFormat;
GLenum _pixelDataType;
unsigned int _texture;
};
class VideoRenderAGL {
public:
VideoRenderAGL(WindowRef windowRef, bool fullscreen, int iId);
VideoRenderAGL(HIViewRef windowRef, bool fullscreen, int iId);
~VideoRenderAGL();
int Init();
VideoChannelAGL* CreateAGLChannel(int channel, int zOrder, float startWidth,
float startHeight, float stopWidth,
float stopHeight);
VideoChannelAGL* ConfigureAGLChannel(int channel, int zOrder,
float startWidth, float startHeight,
float stopWidth, float stopHeight);
int DeleteAGLChannel(int channel);
int DeleteAllAGLChannels();
int StopThread();
bool IsFullScreen();
bool HasChannels();
bool HasChannel(int channel);
int GetChannels(std::list<int>& channelList);
void LockAGLCntx();
void UnlockAGLCntx();
static int GetOpenGLVersion(int& aglMajor, int& aglMinor);
// ********** new module functions ************ //
int ChangeWindow(void* newWindowRef);
int32_t ChangeUniqueID(int32_t id);
int32_t StartRender();
int32_t StopRender();
int32_t DeleteAGLChannel(const uint32_t streamID);
int32_t GetChannelProperties(const uint16_t streamId, uint32_t& zOrder,
float& left, float& top, float& right,
float& bottom);
protected:
static bool ScreenUpdateThreadProc(void* obj);
bool ScreenUpdateProcess();
int GetWindowRect(Rect& rect);
private:
int CreateMixingContext();
int RenderOffScreenBuffers();
int SwapAndDisplayBuffers();
int UpdateClipping();
int CalculateVisibleRegion(ControlRef control, RgnHandle& visibleRgn,
bool clipChildren);
bool CheckValidRegion(RgnHandle rHandle);
void ParentWindowResized(WindowRef window);
// Carbon GUI event handlers
static pascal OSStatus sHandleWindowResized(
EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
static pascal OSStatus sHandleHiViewResized(
EventHandlerCallRef nextHandler, EventRef theEvent, void* userData);
HIViewRef _hiviewRef;
WindowRef _windowRef;
bool _fullScreen;
int _id;
webrtc::CriticalSectionWrapper& _renderCritSec;
webrtc::ThreadWrapper* _screenUpdateThread;
webrtc::EventWrapper* _screenUpdateEvent;
bool _isHIViewRef;
AGLContext _aglContext;
int _windowWidth;
int _windowHeight;
int _lastWindowWidth;
int _lastWindowHeight;
int _lastHiViewWidth;
int _lastHiViewHeight;
int _currentParentWindowHeight;
int _currentParentWindowWidth;
Rect _currentParentWindowBounds;
bool _windowHasResized;
Rect _lastParentWindowBounds;
Rect _currentHIViewBounds;
Rect _lastHIViewBounds;
Rect _windowRect;
std::map<int, VideoChannelAGL*> _aglChannels;
std::multimap<int, int> _zOrderToChannel;
EventHandlerRef _hiviewEventHandlerRef;
EventHandlerRef _windowEventHandlerRef;
HIRect _currentViewBounds;
HIRect _lastViewBounds;
bool _renderingIsPaused;
unsigned int _threadID;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_MAC_VIDEO_RENDER_AGL_H_
#endif // CARBON_RENDERING
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