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// Copyright 2005-2022 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_INTERNAL_OVERLAY_H_
#define MUMBLE_INTERNAL_OVERLAY_H_
// overlay message protocol version number
#define OVERLAY_MAGIC_NUMBER 0x00000005
struct OverlayMsgHeader {
unsigned int uiMagic;
int iLength;
unsigned int uiType;
};
#define OVERLAY_MSGTYPE_INIT 0
struct OverlayMsgInit {
unsigned int uiWidth;
unsigned int uiHeight;
};
#define OVERLAY_MSGTYPE_SHMEM 1
struct OverlayMsgShmem {
char a_cName[2048];
};
#define OVERLAY_MSGTYPE_BLIT 2
struct OverlayMsgBlit {
unsigned int x, y, w, h;
};
#define OVERLAY_MSGTYPE_ACTIVE 3
struct OverlayMsgActive {
unsigned int x, y, w, h;
};
#define OVERLAY_MSGTYPE_PID 4
struct OverlayMsgPid {
unsigned int pid;
};
#define OVERLAY_MSGTYPE_FPS 5
struct OverlayMsgFps {
float fps;
};
#define OVERLAY_FPS_INTERVAL 0.25f
#define OVERLAY_MSGTYPE_INTERACTIVE 6
struct OverlayMsgInteractive {
bool state;
};
struct OverlayMsg {
union {
char headerbuffer[1];
struct OverlayMsgHeader omh;
};
union {
char msgbuffer[1];
struct OverlayMsgShmem oms;
struct OverlayMsgInit omi;
struct OverlayMsgBlit omb;
struct OverlayMsgActive oma;
struct OverlayMsgPid omp;
struct OverlayMsgFps omf;
struct OverlayMsgInteractive omin;
};
};
#endif
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