258 lines
7.8 KiB
Perl
258 lines
7.8 KiB
Perl
#!/usr/bin/perl -wT
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#
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# ==========================================================================
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#
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# ZoneMinder Video Creation Script, $Date$, $Revision$
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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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# ==========================================================================
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=head1 NAME
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zmvideo.pl - ZoneMinder Video Creation Script
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=head1 SYNOPSIS
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zmvideo.pl [ -e <event_id>,--event=<event_id> | --filter=<filter name> ] [--format <format>]
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[--rate=<rate>]
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[--scale=<scale>]
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[--fps=<fps>]
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[--size=<size>]
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[--overwrite]
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=head1 DESCRIPTION
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This script is used to create MPEG videos of events for the web pages
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or as email attachments.
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=head1 OPTIONS
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-c[=filename], --concat[=filename] - When creating videos for multiple events, create a concatenated video as well.
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- If not specified, filename is taken from filter name.
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-e<event_id>, --event=<event_id> - What event to create the video for
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--filter_name=<filter name> - The name of a saved filter to generate a video for all events returned by it.
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--filter_id=<filter id> - The id of a saved filter to generate a video for all events returned by it.
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-f<format>, --format=<format> - What format to create the video in, default is mpg. For ffmpeg only.
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-r<rate>, --rate=<rate> - Relative rate, 1 = realtime, 2 = double speed, 0.5 = half speed etc.
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-s<scale>, --scale=<scale> - Scale, 1 = normal, 2 = double size, 0.5 = half size etc.
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-F<fps>, --fps=<fps> - Absolute frame rate, in frames per second
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-S<size>, --size=<size> - Absolute video size, WxH or other specification supported by ffmpeg
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-o, --overwrite - Whether to overwrite an existing file, off by default.
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-v, --version - Outputs the currently installed version of ZoneMinder
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=cut
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use strict;
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use bytes;
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# ==========================================================================
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#
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# You shouldn't need to change anything from here downwards
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#
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# ==========================================================================
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@EXTRA_PERL_LIB@
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use ZoneMinder;
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require ZoneMinder::Filter;
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require ZoneMinder::Event;
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use DBI;
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use autouse 'Data::Dumper'=>qw(Dumper);
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use POSIX qw(strftime);
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use Getopt::Long qw(:config no_ignore_case );
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use Cwd;
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use autouse 'Pod::Usage'=>qw(pod2usage);
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$| = 1;
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$ENV{PATH} = '/bin:/usr/bin:/usr/local/bin';
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$ENV{SHELL} = '/bin/sh' if exists $ENV{SHELL};
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delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};
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logInit();
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my $event_id;
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my $concat_name;
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my $filter_name;
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my $filter_id;
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my $format = 'mpg';
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my $rate = '';
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my $scale = '';
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my $fps = '';
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my $size = '';
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my $overwrite = 0;
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my $version = 0;
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GetOptions(
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'concat|c:s' =>\$concat_name,
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'event|e=i' =>\$event_id,
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'filter_name=s' =>\$filter_name,
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'filter_id=i' =>\$filter_id,
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'format|f=s' =>\$format,
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'rate|r=f' =>\$rate,
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'scale|s=f' =>\$scale,
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'fps|F=f' =>\$fps,
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'size|S=s' =>\$size,
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'overwrite' =>\$overwrite,
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'version' =>\$version
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) or pod2usage(-exitstatus => -1);
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if ( $version ) {
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print ZoneMinder::Base::ZM_VERSION . "\n";
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exit(0);
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}
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if ( !( $filter_id or $filter_name or $event_id ) || ($event_id and ( $event_id < 0 ) ) ) {
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print( STDERR "Please give a valid event id or filter name\n" );
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pod2usage(-exitstatus => -1);
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}
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if ( ! $Config{ZM_OPT_FFMPEG} ) {
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print( STDERR "Mpeg encoding is not currently enabled\n" );
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exit(-1);
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}
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my @formats = split( /\s+/, $Config{ZM_FFMPEG_FORMATS} );
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for ( my $i = 0; $i < @formats; $i++ ) {
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if ( $i =~ /^(.+)\*$/ ) {
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$format = $formats[$i] = $1;
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}
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}
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if ( !$rate && !$fps ) {
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$rate = 1;
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}
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if ( !$scale && !$size ) {
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$scale = 1;
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}
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if ( $rate && ($rate < 0.25 || $rate > 100) ) {
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print( STDERR "Rate is out of range, 0.25 >= rate <= 100\n" );
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pod2usage(-exitstatus => -1);
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}
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if ( $scale && ($scale < 0.25 || $scale > 4) ) {
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print( STDERR "Scale is out of range, 0.25 >= scale <= 4\n" );
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pod2usage(-exitstatus => -1);
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}
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if ( $fps && ($fps > 30) ) {
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print( STDERR "FPS is out of range, <= 30\n" );
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pod2usage(-exitstatus => -1);
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}
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my ( $detaint_format ) = $format =~ /^(\w+)$/;
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my ( $detaint_rate ) = $rate =~ /^(-?\d+(?:\.\d+)?)$/;
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my ( $detaint_scale ) = $scale =~ /^(-?\d+(?:\.\d+)?)$/;
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my ( $detaint_fps ) = $fps =~ /^(-?\d+(?:\.\d+)?)$/;
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my ( $detaint_size ) = $size =~ /^(\w+)$/;
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$format = $detaint_format;
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$rate = $detaint_rate;
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$scale = $detaint_scale;
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$fps = $detaint_fps;
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$size = $detaint_size;
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my $dbh = zmDbConnect();
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my $cwd = getcwd;
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my $video_name;
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my @event_ids;
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if ( $event_id ) {
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@event_ids = ( $event_id );
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} elsif ( $filter_name or $filter_id ) {
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my $Filter = ZoneMinder::Filter->find_one(
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($filter_name ? ( Name => $filter_name ) : () ),
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($filter_id ? ( Id => $filter_name ) : () ),
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);
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if ( ! $Filter ) {
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Fatal("Filter $filter_name $filter_id not found.");
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}
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@event_ids = map { $_->{Id} } $Filter->Execute();
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if ( ! @event_ids ) {
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Fatal( "No events found for $filter_name")
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} else {
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Debug(@event_ids . " events found for $filter_name");
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}
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$concat_name = $filter_name if $concat_name eq '';
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} else {
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Warning("Nothing to do");
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}
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my $sql = " SELECT max(F.Delta)-min(F.Delta) as FullLength,
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E.*,
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unix_timestamp(E.StartTime) as Time,
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M.Name as MonitorName,
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M.Width as MonitorWidth,
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M.Height as MonitorHeight,
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M.Palette
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FROM Frames as F
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INNER JOIN Events as E on F.EventId = E.Id
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INNER JOIN Monitors as M on E.MonitorId = M.Id
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WHERE EventId = ?
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GROUP BY F.EventId";
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my $sth = $dbh->prepare_cached( $sql ) or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
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my @video_files;
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foreach my $event_id ( @event_ids ) {
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my $res = $sth->execute( $event_id )
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or Fatal( "Can't execute: ".$sth->errstr() );
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my $event = $sth->fetchrow_hashref();
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my $Event = new ZoneMinder::Event( $$event{Id}, $event );
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my $video_file = $Event->GenerateVideo( $rate, $fps, $scale, $size, $overwrite, $format );
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if ( $video_file ) {
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push @video_files, $video_file;
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print( STDOUT $video_file."\n" );
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} else {
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Warning("No video file generated for event $event_id");
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}
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} # end foreach event_id
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if ( $concat_name ) {
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($cwd) = $cwd =~ /(.*)/; # detaint
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chdir( $cwd );
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($concat_name ) = $concat_name =~ /([\-A-Za-z0-9_\.]*)/;
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my $concat_list_file = "/tmp/$concat_name.concat.lst";
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my $video_file = $concat_name . '.'. $detaint_format;
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open( my $fd, '>', $concat_list_file ) or die "Can't open $concat_list_file: $!";
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foreach ( @video_files ) {
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print $fd "file '$_'\n";
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}
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close $fd;
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my $command = $Config{ZM_PATH_FFMPEG}
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. " -f concat -i $concat_list_file -c copy "
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." '$video_file' > ffmpeg.log 2>&1"
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;
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Debug( $command."\n" );
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my $output = qx($command);
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my $status = $? >> 8;
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unlink $concat_list_file;
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if ( $status ) {
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Error( "Unable to generate video, check /ffmpeg.log for details");
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exit(-1);
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}
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print( STDOUT $video_file."\n" );
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}
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exit( 0 );
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__END__
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