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https://github.com/ZoneMinder/zoneminder.git
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106 lines
2.4 KiB
C++
106 lines
2.4 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(
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int p_id,
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const char *p_path,
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int p_width,
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int p_height,
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int p_colours,
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int p_brightness,
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int p_contrast,
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int p_hue,
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int p_colour,
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bool p_capture,
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bool p_record_audio
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) : Camera(
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p_id,
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FILE_SRC,
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p_width,
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p_height,
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p_colours,
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ZM_SUBPIX_ORDER_DEFAULT_FOR_COLOUR(p_colours),
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p_brightness,
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p_contrast,
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p_hue,
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p_colour,
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p_capture,
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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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Initialise();
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}
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}
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FileCamera::~FileCamera() {
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if ( capture ) {
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Terminate();
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}
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}
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void FileCamera::Initialise() {
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if ( !path[0] ) {
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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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int FileCamera::PreCapture() {
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struct stat statbuf;
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if ( stat( path, &statbuf ) < 0 ) {
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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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// I think this is waiting for file change...
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while ( (time( 0 ) - statbuf.st_mtime) < 1 ) {
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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( ZMPacket &zm_packet ) {
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return zm_packet.image->ReadJpeg( path, colours, subpixelorder ) ;
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}
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int FileCamera::PostCapture() {
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return( 0 );
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}
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