mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-09-20 09:21:33 +00:00
92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
|
|
Looking Glass - KVM FrameRelay (KVMFR)
|
|
Copyright (C) 2017 Geoffrey McRae <geoff@hostfission.com>
|
|
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 <stdint.h>
|
|
|
|
#define KVMFR_HEADER_MAGIC "[[KVMFR]]"
|
|
#define KVMFR_HEADER_VERSION 5
|
|
|
|
typedef enum FrameType
|
|
{
|
|
FRAME_TYPE_INVALID ,
|
|
FRAME_TYPE_ARGB , // ABGR interleaved: A,R,G,B 32bpp
|
|
FRAME_TYPE_H264 , // H264 compressed
|
|
FRAME_TYPE_MAX , // sentinel value
|
|
}
|
|
FrameType;
|
|
|
|
typedef enum CursorType
|
|
{
|
|
CURSOR_TYPE_COLOR ,
|
|
CURSOR_TYPE_MONOCHROME ,
|
|
CURSOR_TYPE_MASKED_COLOR
|
|
}
|
|
CursorType;
|
|
|
|
#define KVMFR_CURSOR_FLAG_VISIBLE 1 // cursor is visible
|
|
#define KVMFR_CURSOR_FLAG_SHAPE 2 // shape updated
|
|
#define KVMFR_CURSOR_FLAG_POS 4 // position updated
|
|
|
|
typedef struct KVMFRCursor
|
|
{
|
|
uint8_t flags; // KVMFR_CURSOR_FLAGS
|
|
int16_t x, y; // cursor x & y position
|
|
|
|
uint32_t version; // shape version
|
|
CursorType type; // shape buffer data type
|
|
uint32_t width; // width of the shape
|
|
uint32_t height; // height of the shape
|
|
uint32_t pitch; // row length in bytes of the shape
|
|
uint64_t dataPos; // offset to the shape data
|
|
}
|
|
KVMFRCursor;
|
|
|
|
typedef struct KVMFRFrame
|
|
{
|
|
FrameType type; // the frame data type
|
|
uint32_t width; // the width
|
|
uint32_t height; // the height
|
|
uint32_t stride; // the row stride (zero if compressed data)
|
|
uint32_t pitch; // the row pitch (stride in bytes or the compressed frame size)
|
|
uint64_t dataPos; // offset to the frame
|
|
}
|
|
KVMFRFrame;
|
|
|
|
#define KVMFR_HEADER_FLAG_FRAME 1 // frame update available
|
|
#define KVMFR_HEADER_FLAG_CURSOR 2 // cursor update available
|
|
#define KVMFR_HEADER_FLAG_RESTART 4 // restart signal from client
|
|
#define KVMFR_HEADER_FLAG_READY 8 // ready signal from client
|
|
|
|
typedef struct KVMFRDetail
|
|
{
|
|
KVMFRFrame frame; // the frame information
|
|
KVMFRCursor cursor; // the cursor information
|
|
}
|
|
KVMFRDetail;
|
|
|
|
typedef struct KVMFRHeader
|
|
{
|
|
char magic[sizeof(KVMFR_HEADER_MAGIC)];
|
|
uint32_t version; // version of this structure
|
|
uint8_t flags; // KVMFR_HEADER_FLAGS
|
|
KVMFRDetail detail; // details
|
|
}
|
|
KVMFRHeader;
|