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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_X_H_
#define CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_X_H_
#pragma once
#include "app/x11_util.h"
#include "chrome/browser/renderer_host/video_layer.h"
// Implements a YUV data layer using X to hold the RGB data.
class VideoLayerX : public VideoLayer {
public:
VideoLayerX(RenderWidgetHost* widget, const gfx::Size& size, void* visual,
int depth);
virtual ~VideoLayerX();
// VideoLayer implementation.
virtual void CopyTransportDIB(RenderProcessHost* process,
TransportDIB::Id bitmap,
const gfx::Rect& bitmap_rect);
// Copy from the server-side video layer to the target window.
// Unlike BackingStore, we maintain the absolute position and destination
// size so passing in a rect is not required.
void XShow(XID target);
private:
// X Visual to get RGB mask information.
void* const visual_;
// Depth of the target window.
int depth_;
// Connection to the X server where this video layer will be displayed.
Display* const display_;
// Handle to the server side pixmap which is our video layer.
XID pixmap_;
// Graphics context for painting our video layer.
void* pixmap_gc_;
// Server side bits-per-pixel for |pixmap_|.
int pixmap_bpp_;
// Most recently converted frame stored as 32-bit ARGB.
scoped_array<uint8> rgb_frame_;
size_t rgb_frame_size_;
// Destination size and absolution position of the converted frame.
gfx::Rect rgb_rect_;
DISALLOW_COPY_AND_ASSIGN(VideoLayerX);
};
#endif // CHROME_BROWSER_RENDERER_HOST_VIDEO_LAYER_X_H_
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