/usr/include/openh323/h281.h is in libh323plus-dev 1.24.0~dfsg2-1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* h281.h
*
* H.281 PDU implementation for the OpenH323 Project.
*
* Copyright (c) 2006 Network for Educational Technology, ETH Zurich.
* Written by Hannes Friederich.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* Contributor(s): ______________________________________.
*
* $Log: h281.h,v $
* Revision 1.1 2007/08/06 20:50:49 shorne
* First commit of h323plus
*
* Revision 1.1 2006/06/22 11:07:22 shorne
* Backport of FECC (H.224) from Opal
*
* Revision 1.2 2006/04/23 18:52:19 dsandras
* Removed warnings when compiling with gcc on Linux.
*
* Revision 1.1 2006/04/20 16:48:17 hfriederich
* Initial version of H.224/H.281 implementation.
*
*/
#ifndef __OPAL_H281_H
#define __OPAL_H281_H
#ifdef P_USE_PRAGMA
#pragma interface
#endif
#include <ptlib.h>
#include <h224.h>
class H281_Frame : public H224_Frame
{
PCLASSINFO(H281_Frame, H224_Frame);
public:
enum RequestType {
IllegalRequest = 0x00,
StartAction = 0x01,
ContinueAction = 0x02,
StopAction = 0x03,
SelectVideoSource = 0x04,
VideoSourceSwitched = 0x05,
StoreAsPreset = 0x07,
ActivatePreset = 0x08
};
enum PanDirection {
NoPan = 0x00,
IllegalPan = 0x40,
PanLeft = 0x80,
PanRight = 0xc0,
};
enum TiltDirection {
NoTilt = 0x00,
IllegalTilt = 0x10,
TiltDown = 0x20,
TiltUp = 0x30,
};
enum ZoomDirection {
NoZoom = 0x00,
IllegalZoom = 0x04,
ZoomOut = 0x08,
ZoomIn = 0x0c
};
enum FocusDirection {
NoFocus = 0x00,
IllegalFocus = 0x01,
FocusOut = 0x02,
FocusIn = 0x03
};
enum VideoMode {
MotionVideo = 0x00,
IllegalVideoMode = 0x01,
NormalResolutionStillImage = 0x02,
DoubleResolutionStillImage = 0x03
};
H281_Frame();
~H281_Frame();
RequestType GetRequestType() const { return (RequestType)(GetClientDataPtr())[0]; }
void SetRequestType(RequestType requestType);
// The following methods are only valid when
// request type is either StartAction, ContinueAction or StopAction
PanDirection GetPanDirection() const;
void SetPanDirection(PanDirection direction);
TiltDirection GetTiltDirection() const;
void SetTiltDirection(TiltDirection direction);
ZoomDirection GetZoomDirection() const;
void SetZoomDirection(ZoomDirection direction);
FocusDirection GetFocusDirection() const;
void SetFocusDirection(FocusDirection direction);
// Only valid when RequestType is StartAction
BYTE GetTimeout() const;
void SetTimeout(BYTE timeout);
// Only valid when RequestType is SelectVideoSource or VideoSourceSwitched
BYTE GetVideoSourceNumber() const;
void SetVideoSourceNumber(BYTE videoSourceNumber);
VideoMode GetVideoMode() const;
void SetVideoMode(VideoMode videoMode);
// Only valid when RequestType is StoreAsPreset or ActivatePreset
BYTE GetPresetNumber() const;
void SetPresetNumber(BYTE presetNumber);
};
#endif // __OPAL_H281_H
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