5aa3f1b4c0
BUG=1662 R=wu@webrtc.org Review URL: https://webrtc-codereview.appspot.com/1782006 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4334 4adac7df-926f-26a2-2b94-8c16560cd09d
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
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#define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
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#include <sys/shm.h>
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#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
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#include "webrtc/modules/video_render/include/video_render_defines.h"
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/XShm.h>
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namespace webrtc {
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class CriticalSectionWrapper;
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#define DEFAULT_RENDER_FRAME_WIDTH 352
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#define DEFAULT_RENDER_FRAME_HEIGHT 288
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class VideoX11Channel: public VideoRenderCallback
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{
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public:
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VideoX11Channel(int32_t id);
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virtual ~VideoX11Channel();
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virtual int32_t RenderFrame(const uint32_t streamId,
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I420VideoFrame& videoFrame);
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int32_t FrameSizeChange(int32_t width, int32_t height,
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int32_t numberOfStreams);
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int32_t DeliverFrame(const I420VideoFrame& videoFrame);
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int32_t GetFrameSize(int32_t& width, int32_t& height);
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int32_t Init(Window window, float left, float top, float right,
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float bottom);
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int32_t ChangeWindow(Window window);
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int32_t
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GetStreamProperties(uint32_t& zOrder, float& left,
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float& top, float& right, float& bottom) const;
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int32_t ReleaseWindow();
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bool IsPrepared()
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{
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return _prepared;
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}
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private:
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int32_t
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CreateLocalRenderer(int32_t width, int32_t height);
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int32_t RemoveRenderer();
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//FIXME a better place for this method? the GetWidthHeight no longer
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// supported by common_video.
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int GetWidthHeight(VideoType type, int bufferSize, int& width,
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int& height);
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CriticalSectionWrapper& _crit;
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Display* _display;
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XShmSegmentInfo _shminfo;
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XImage* _image;
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Window _window;
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GC _gc;
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int32_t _width; // incoming frame width
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int32_t _height; // incoming frame height
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int32_t _outWidth; // render frame width
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int32_t _outHeight; // render frame height
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int32_t _xPos; // position within window
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int32_t _yPos;
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bool _prepared; // true if ready to use
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int32_t _dispCount;
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unsigned char* _buffer;
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float _top;
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float _left;
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float _right;
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float _bottom;
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int32_t _Id;
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};
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} // namespace webrtc
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#endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_
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