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| 1 /* |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_ |
| 12 #define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_ |
| 13 |
| 14 #include <sys/shm.h> |
| 15 #include "webrtc/common_video/libyuv/include/webrtc_libyuv.h" |
| 16 #include "webrtc/modules/video_render/video_render_defines.h" |
| 17 |
| 18 #include <X11/Xlib.h> |
| 19 #include <X11/Xutil.h> |
| 20 #include <X11/extensions/XShm.h> |
| 21 |
| 22 namespace webrtc { |
| 23 class CriticalSectionWrapper; |
| 24 |
| 25 #define DEFAULT_RENDER_FRAME_WIDTH 352 |
| 26 #define DEFAULT_RENDER_FRAME_HEIGHT 288 |
| 27 |
| 28 |
| 29 class VideoX11Channel: public VideoRenderCallback |
| 30 { |
| 31 public: |
| 32 VideoX11Channel(int32_t id); |
| 33 |
| 34 virtual ~VideoX11Channel(); |
| 35 |
| 36 virtual int32_t RenderFrame(const uint32_t streamId, |
| 37 const VideoFrame& videoFrame); |
| 38 |
| 39 int32_t FrameSizeChange(int32_t width, int32_t height, |
| 40 int32_t numberOfStreams); |
| 41 int32_t DeliverFrame(const VideoFrame& videoFrame); |
| 42 int32_t GetFrameSize(int32_t& width, int32_t& height); |
| 43 int32_t Init(Window window, float left, float top, float right, |
| 44 float bottom); |
| 45 int32_t ChangeWindow(Window window); |
| 46 int32_t |
| 47 GetStreamProperties(uint32_t& zOrder, float& left, |
| 48 float& top, float& right, float& bottom) const; |
| 49 int32_t ReleaseWindow(); |
| 50 |
| 51 bool IsPrepared() |
| 52 { |
| 53 return _prepared; |
| 54 } |
| 55 |
| 56 private: |
| 57 |
| 58 int32_t |
| 59 CreateLocalRenderer(int32_t width, int32_t height); |
| 60 int32_t RemoveRenderer(); |
| 61 |
| 62 //FIXME a better place for this method? the GetWidthHeight no longer |
| 63 // supported by common_video. |
| 64 int GetWidthHeight(VideoType type, int bufferSize, int& width, |
| 65 int& height); |
| 66 |
| 67 CriticalSectionWrapper& _crit; |
| 68 |
| 69 Display* _display; |
| 70 XShmSegmentInfo _shminfo; |
| 71 XImage* _image; |
| 72 Window _window; |
| 73 GC _gc; |
| 74 int32_t _width; // incoming frame width |
| 75 int32_t _height; // incoming frame height |
| 76 int32_t _outWidth; // render frame width |
| 77 int32_t _outHeight; // render frame height |
| 78 int32_t _xPos; // position within window |
| 79 int32_t _yPos; |
| 80 bool _prepared; // true if ready to use |
| 81 int32_t _dispCount; |
| 82 |
| 83 unsigned char* _buffer; |
| 84 float _top; |
| 85 float _left; |
| 86 float _right; |
| 87 float _bottom; |
| 88 |
| 89 int32_t _Id; |
| 90 |
| 91 }; |
| 92 |
| 93 |
| 94 } // namespace webrtc |
| 95 |
| 96 #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_LINUX_VIDEO_X11_CHANNEL_H_ |
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