Revert of Delete video_render module.

webrtc/modules/video_render/linux/video_x11_channel.h

Index: webrtc/modules/video_render/linux/video_x11_channel.h
diff --git a/webrtc/modules/video_render/linux/video_x11_channel.h b/webrtc/modules/video_render/linux/video_x11_channel.h
new file mode 100644
index 0000000000000000000000000000000000000000..6eb402e12eeab77fe07c4bec70f346033af1587c
--- /dev/null
+++ b/webrtc/modules/video_render/linux/video_x11_channel.h
@@ -0,0 +1,96 @@
+/*
+ *  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_