zoneminder/src/zm_camera.h

99 lines
3.4 KiB
C++

//
// ZoneMinder Camera Class Interface, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
#ifndef ZM_CAMERA_H
#define ZM_CAMERA_H
#include <sys/types.h>
#include <sys/ioctl.h>
#include "zm_image.h"
class Camera;
#include "zm_monitor.h"
//
// Abstract base class for cameras. This is intended just to express
// common attributes
//
class Camera
{
protected:
typedef enum { LOCAL_SRC, REMOTE_SRC, FILE_SRC, FFMPEG_SRC, LIBVLC_SRC, CURL_SRC } SourceType;
unsigned int monitor_id;
Monitor * monitor; // Null on instantiation, set as soon as possible.
SourceType type;
unsigned int width;
unsigned int height;
unsigned int colours;
unsigned int subpixelorder;
unsigned int pixels;
unsigned int imagesize;
int brightness;
int hue;
int colour;
int contrast;
bool capture;
bool record_audio;
unsigned int bytes;
public:
Camera( unsigned int p_monitor_id, SourceType p_type, unsigned int p_width, unsigned int p_height, int p_colours, int p_subpixelorder, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio );
virtual ~Camera();
unsigned int getId() const { return( monitor_id ); }
Monitor *getMonitor();
void setMonitor( Monitor *p_monitor );
SourceType Type() const { return( type ); }
bool IsLocal() const { return( type == LOCAL_SRC ); }
bool IsRemote() const { return( type == REMOTE_SRC ); }
bool IsFile() const { return( type == FILE_SRC ); }
bool IsFfmpeg() const { return( type == FFMPEG_SRC ); }
bool IsLibvlc() const { return( type == LIBVLC_SRC ); }
bool IscURL() const { return( type == CURL_SRC ); }
unsigned int Width() const { return( width ); }
unsigned int Height() const { return( height ); }
unsigned int Colours() const { return( colours ); }
unsigned int SubpixelOrder() const { return( subpixelorder ); }
unsigned int Pixels() const { return( pixels ); }
unsigned int ImageSize() const { return( imagesize ); }
unsigned int Bytes() const { return bytes; };
virtual int Brightness( int/*p_brightness*/=-1 ) { return( -1 ); }
virtual int Hue( int/*p_hue*/=-1 ) { return( -1 ); }
virtual int Colour( int/*p_colour*/=-1 ) { return( -1 ); }
virtual int Contrast( int/*p_contrast*/=-1 ) { return( -1 ); }
bool CanCapture() const { return( capture ); }
bool SupportsNativeVideo() const { return( (type == FFMPEG_SRC )||(type == REMOTE_SRC)); }
virtual int PrimeCapture() { return( 0 ); }
virtual int PreCapture()=0;
virtual int Capture( Image &image )=0;
virtual int PostCapture()=0;
virtual int CaptureAndRecord( Image &image, timeval recording, char* event_directory ) = 0;
virtual int Close()=0;
};
#endif // ZM_CAMERA_H