92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
//
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// ZoneMinder File Camera Class Implementation, $Date$, $Revision$
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// Copyright (C) 2001-2008 Philip Coombes
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <time.h>
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#include <sys/time.h>
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#include <syslog.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include "zm.h"
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#include "zm_file_camera.h"
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FileCamera::FileCamera( int p_id, const char *p_path, int p_width, int p_height, int p_colours, int p_brightness, int p_contrast, int p_hue, int p_colour, bool p_capture, bool p_record_audio ) : Camera( p_id, FILE_SRC, p_width, p_height, p_colours, ZM_SUBPIX_ORDER_DEFAULT_FOR_COLOUR(p_colours), p_brightness, p_contrast, p_hue, p_colour, p_capture, p_record_audio )
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{
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strncpy( path, p_path, sizeof(path) );
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if ( capture )
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{
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Initialise();
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}
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}
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FileCamera::~FileCamera()
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{
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if ( capture )
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{
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Terminate();
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}
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}
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void FileCamera::Initialise()
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{
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if ( !path[0] )
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{
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Error( "No path specified for file image" );
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exit( -1 );
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}
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}
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void FileCamera::Terminate()
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{
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}
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int FileCamera::PreCapture()
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{
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struct stat statbuf;
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if ( stat( path, &statbuf ) < 0 )
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{
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Error( "Can't stat %s: %s", path, strerror(errno) );
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return( -1 );
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}
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while ( (time( 0 ) - statbuf.st_mtime) < 1 )
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{
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usleep( 100000 );
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}
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return( 0 );
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}
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int FileCamera::Capture( Image &image )
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{
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return( image.ReadJpeg( path, colours, subpixelorder )?0:-1 );
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}
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int FileCamera::PostCapture()
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{
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return( 0 );
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}
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