looking-glass/host/include/interface/capture.h
Geoffrey McRae d36c4f0e83 [host] kvmfr: allow the frame size to exceed the available memory
This change allows the host to still transmit a frame that is truncated
if the IVSHMEM size is too small to allow for a full frame.
2021-06-12 18:44:28 +10:00

113 lines
2.7 KiB
C

/**
* Looking Glass
* Copyright (C) 2017-2021 The Looking Glass Authors
* https://looking-glass.io
*
* 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 <stdbool.h>
#include <stdint.h>
#include "common/framebuffer.h"
typedef enum CaptureResult
{
CAPTURE_RESULT_OK ,
CAPTURE_RESULT_REINIT ,
CAPTURE_RESULT_TIMEOUT,
CAPTURE_RESULT_ERROR
}
CaptureResult;
typedef enum CaptureFormat
{
// frame formats
CAPTURE_FMT_BGRA ,
CAPTURE_FMT_RGBA ,
CAPTURE_FMT_RGBA10 ,
CAPTURE_FMT_RGBA16F,
// pointer formats
CAPTURE_FMT_COLOR ,
CAPTURE_FMT_MONO ,
CAPTURE_FMT_MASKED,
CAPTURE_FMT_MAX
}
CaptureFormat;
typedef enum CaptureRotation
{
CAPTURE_ROT_0,
CAPTURE_ROT_90,
CAPTURE_ROT_180,
CAPTURE_ROT_270
}
CaptureRotation;
typedef struct CaptureFrame
{
unsigned int formatVer;
unsigned int width;
unsigned int height;
unsigned int realHeight;
unsigned int pitch;
unsigned int stride;
CaptureFormat format;
CaptureRotation rotation;
}
CaptureFrame;
typedef struct CapturePointer
{
bool positionUpdate;
int x, y;
bool visible;
bool shapeUpdate;
CaptureFormat format;
unsigned int hx, hy;
unsigned int width, height;
unsigned int pitch;
}
CapturePointer;
typedef bool (*CaptureGetPointerBuffer )(void ** data, uint32_t * size);
typedef void (*CapturePostPointerBuffer)(CapturePointer pointer);
typedef struct CaptureInterface
{
const char *shortName;
const char * (*getName )();
void (*initOptions )();
bool(*create)(
CaptureGetPointerBuffer getPointerBufferFn,
CapturePostPointerBuffer postPointerBufferFn
);
bool (*init )();
void (*stop )();
bool (*deinit )();
void (*free )();
unsigned int (*getMouseScale)();
CaptureResult (*capture )();
CaptureResult (*waitFrame )(CaptureFrame * frame, const size_t maxFrameSize);
CaptureResult (*getFrame )(FrameBuffer * frame, const unsigned int height);
}
CaptureInterface;