LookingGlass/host/ICapture.h

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/*
Looking Glass - KVM FrameRelay (KVMFR) Client
2019-02-22 11:16:14 +00:00
Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#pragma once
#include "common/KVMFR.h"
#include <vector>
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#include <windows.h>
struct CursorBuffer
{
unsigned int bufferSize;
char * buffer;
unsigned int pointerSize;
};
struct CursorInfo
{
bool visible;
bool hasPos;
bool hasShape;
int x, y;
enum CursorType type;
unsigned int w, h;
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unsigned int pitch;
CursorBuffer shape;
};
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struct FrameInfo
{
unsigned int width;
unsigned int height;
unsigned int stride;
unsigned int pitch;
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void * buffer;
size_t bufferSize;
};
enum GrabStatus
{
GRAB_STATUS_OK = 1,
GRAB_STATUS_TIMEOUT = 2,
GRAB_STATUS_REINIT = 4,
GRAB_STATUS_CURSOR = 8,
GRAB_STATUS_FRAME = 16,
GRAB_STATUS_ERROR = 32
};
typedef std::vector<const char *> CaptureOptions;
class ICapture
{
public:
virtual const char * GetName() = 0;
virtual bool CanInitialize() = 0;
virtual bool Initialize(CaptureOptions * options) = 0;
virtual void DeInitialize() = 0;
virtual bool ReInitialize() = 0;
virtual enum FrameType GetFrameType() = 0;
virtual size_t GetMaxFrameSize() = 0;
virtual unsigned int Capture() = 0;
virtual enum GrabStatus GetFrame(struct FrameInfo & frame) = 0;
virtual bool GetCursor(CursorInfo & cursor) = 0;
virtual void FreeCursor() = 0;
virtual enum GrabStatus DiscardFrame() = 0;
};