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// Copyright (c) 2011 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 REMOTING_HOST_CAPTURER_MAC_H_
#define REMOTING_HOST_CAPTURER_MAC_H_
#include "remoting/host/capturer.h"
#include "remoting/host/capturer_helper.h"
#include <ApplicationServices/ApplicationServices.h>
#include <OpenGL/OpenGL.h>
#include "base/memory/scoped_ptr.h"
namespace remoting {
// A class to perform capturing for mac.
class CapturerMac : public Capturer {
public:
CapturerMac();
virtual ~CapturerMac();
// Capturer interface.
virtual void ScreenConfigurationChanged();
virtual media::VideoFrame::Format pixel_format() const;
virtual void ClearInvalidRects();
virtual void InvalidateRects(const InvalidRects& inval_rects);
virtual void InvalidateScreen(const gfx::Size& size);
virtual void InvalidateFullScreen();
virtual void CaptureInvalidRects(CaptureCompletedCallback* callback);
virtual const gfx::Size& size_most_recent() const;
private:
void CaptureRects(const InvalidRects& rects,
CaptureCompletedCallback* callback);
void ScreenRefresh(CGRectCount count, const CGRect *rect_array);
void ScreenUpdateMove(CGScreenUpdateMoveDelta delta,
size_t count,
const CGRect *rect_array);
static void ScreenRefreshCallback(CGRectCount count,
const CGRect *rect_array,
void *user_parameter);
static void ScreenUpdateMoveCallback(CGScreenUpdateMoveDelta delta,
size_t count,
const CGRect *rect_array,
void *user_parameter);
static void DisplaysReconfiguredCallback(CGDirectDisplayID display,
CGDisplayChangeSummaryFlags flags,
void *user_parameter);
void ReleaseBuffers();
CGLContextObj cgl_context_;
static const int kNumBuffers = 2;
scoped_array<uint8> buffers_[kNumBuffers];
scoped_array<uint8> flip_buffer_;
// A thread-safe list of invalid rectangles, and the size of the most
// recently captured screen.
CapturerHelper helper_;
// Screen size.
int width_;
int height_;
int bytes_per_row_;
// The current buffer with valid data for reading.
int current_buffer_;
// Format of pixels returned in buffer.
media::VideoFrame::Format pixel_format_;
DISALLOW_COPY_AND_ASSIGN(CapturerMac);
};
} // namespace remoting
#endif // REMOTING_HOST_CAPTURER_MAC_H_
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