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/*
* 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.
*/
#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
#include <sys/shm.h>
#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
#include "webrtc/modules/video_render/video_render_defines.h"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
namespace webrtc {
class CriticalSectionWrapper;
#define DEFAULT_RENDER_FRAME_WIDTH 352
#define DEFAULT_RENDER_FRAME_HEIGHT 288
class VideoX11Channel: public VideoRenderCallback
{
public:
VideoX11Channel(int32_t id);
virtual ~VideoX11Channel();
virtual int32_t RenderFrame(const uint32_t streamId,
const VideoFrame& videoFrame);
int32_t FrameSizeChange(int32_t width, int32_t height,
int32_t numberOfStreams);
int32_t DeliverFrame(const VideoFrame& videoFrame);
int32_t GetFrameSize(int32_t& width, int32_t& height);
int32_t Init(Window window, float left, float top, float right,
float bottom);
int32_t ChangeWindow(Window window);
int32_t
GetStreamProperties(uint32_t& zOrder, float& left,
float& top, float& right, float& bottom) const;
int32_t ReleaseWindow();
bool IsPrepared()
{
return _prepared;
}
private:
int32_t
CreateLocalRenderer(int32_t width, int32_t height);
int32_t RemoveRenderer();
//FIXME a better place for this method? the GetWidthHeight no longer
// supported by common_video.
int GetWidthHeight(VideoType type, int bufferSize, int& width,
int& height);
CriticalSectionWrapper& _crit;
Display* _display;
XShmSegmentInfo _shminfo;
XImage* _image;
Window _window;
GC _gc;
int32_t _width; // incoming frame width
int32_t _height; // incoming frame height
int32_t _outWidth; // render frame width
int32_t _outHeight; // render frame height
int32_t _xPos; // position within window
int32_t _yPos;
bool _prepared; // true if ready to use
int32_t _dispCount;
unsigned char* _buffer;
float _top;
float _left;
float _right;
float _bottom;
int32_t _Id;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
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