| /* |
| * 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/include/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_ |