[18476] | 1 | ######################################################################
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[18425] | 2 | #
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[18556] | 3 | # VideoPlugin.pm -- plugin for processing video files
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[18425] | 4 | # A component of the Greenstone digital library software
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| 5 | # from the New Zealand Digital Library Project at the
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| 6 | # University of Waikato, New Zealand.
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| 7 | #
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| 8 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistribute it and/or modify
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| 11 | # it under the terms of the GNU General Public License as published by
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| 12 | # the Free Software Foundation; either version 2 of the License, or
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| 13 | # (at your option) any later version.
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| 14 | #
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| 15 | # This program is distributed in the hope that it will be useful,
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| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | # GNU General Public License for more details.
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| 19 | #
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| 20 | # You should have received a copy of the GNU General Public License
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| 21 | # along with this program; if not, write to the Free Software
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| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | #
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| 24 | ###########################################################################
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| 25 |
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[18556] | 26 | # -- Largely modeled on how ImagePlugin works
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| 27 | # -- Can convert to audio as well as video
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| 28 |
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[18425] | 29 | package VideoPlugin;
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| 30 |
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| 31 | use strict;
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| 32 | no strict 'refs'; # allow filehandles to be variables and viceversa
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[18476] | 33 | no strict 'subs';
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[18425] | 34 |
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| 35 | use XMLParser;
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| 36 | use gsprintf;
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| 37 |
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[18556] | 38 | use MultimediaPlugin;
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| 39 | use VideoConverter;
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[19785] | 40 | use ReadXMLFile;
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[18425] | 41 |
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| 42 | sub BEGIN {
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[19785] | 43 | @VideoPlugin::ISA = ('MultimediaPlugin', 'VideoConverter', 'ReadXMLFile');
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[18425] | 44 | }
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| 45 |
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[18476] | 46 |
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[18425] | 47 | my $arguments =
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| 48 | [ { 'name' => "process_exp",
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[37717] | 49 | 'desc' => "{BaseImporter.process_exp}",
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[18425] | 50 | 'type' => "regexp",
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| 51 | 'deft' => &get_default_process_exp(),
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| 52 | 'reqd' => "no" } ];
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| 53 |
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[18556] | 54 |
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[18476] | 55 | my $options = { 'name' => "VideoPlugin",
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[18556] | 56 | 'desc' => "{VideoPlugin.desc}",
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[18425] | 57 | 'abstract' => "no",
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| 58 | 'inherits' => "yes",
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| 59 | 'args' => $arguments };
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| 60 |
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| 61 | sub new {
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| 62 | my ($class) = shift (@_);
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| 63 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 64 | push(@$pluginlist, $class);
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| 65 |
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| 66 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 67 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 68 |
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[18556] | 69 | new VideoConverter($pluginlist, $inputargs, $hashArgOptLists);
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| 70 | my $self = new MultimediaPlugin($pluginlist, $inputargs, $hashArgOptLists);
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[18425] | 71 |
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[18556] | 72 | if ($self->{'info_only'}) {
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| 73 | # don't worry about creating the XML parser as all we want is the
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| 74 | # list of plugin options
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| 75 | return bless $self, $class;
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| 76 | }
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[18425] | 77 |
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| 78 |
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[18556] | 79 | # create XML::Parser object for parsing keyframe files (produced by hive)
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| 80 | my $parser = new XML::Parser('Style' => 'Stream',
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| 81 | 'Pkg' => 'VideoPlugin',
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| 82 | 'PluginObj' => $self,
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| 83 | 'Namespaces' => 1, # strip out namespaces
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| 84 | 'Handlers' => {'Char' => \&Char,
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| 85 | 'XMLDecl' => \&XMLDecl,
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| 86 | 'Entity' => \&Entity,
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| 87 | 'Doctype' => \&Doctype,
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| 88 | 'Default' => \&Default
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| 89 | });
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[18425] | 90 |
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[18556] | 91 | $self->{'parser'} = $parser;
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[18476] | 92 |
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| 93 |
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[18556] | 94 | return bless $self, $class;
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| 95 | }
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[18425] | 96 |
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| 97 |
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| 98 |
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[18556] | 99 | sub begin {
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| 100 | my $self = shift (@_);
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| 101 | my ($pluginfo, $base_dir, $processor, $maxdocs) = @_;
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[18425] | 102 |
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[18556] | 103 | $self->SUPER::begin(@_);
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| 104 | $self->VideoConverter::begin(@_);
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[18425] | 105 | }
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| 106 |
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| 107 |
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| 108 | sub init {
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| 109 | my $self = shift (@_);
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| 110 | my ($verbosity, $outhandle, $failhandle) = @_;
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| 111 |
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| 112 | $self->SUPER::init(@_);
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[18556] | 113 | $self->VideoConverter::init(@_);
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[18425] | 114 | }
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| 115 |
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| 116 |
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| 117 | sub get_default_process_exp {
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| 118 | my $self = shift (@_);
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| 119 |
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[20347] | 120 | return q^(?i)\.(mpe?g|flv|mov|qt|wmv|vob|avi|mp4|m4v|ts)$^;
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[18425] | 121 | }
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| 122 |
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[25516] | 123 |
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[18556] | 124 | sub extract_keyframes
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[18425] | 125 | {
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[18556] | 126 | my $self = shift (@_);
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[25516] | 127 | my ($doc_obj,$originalfilename,$filename, $video_width,$video_height) = @_;
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| 128 |
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| 129 |
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| 130 | if ($self->{'keyframes_algorithm'} eq "ffkeyframe") {
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| 131 | $self->extract_ffKeyframes($doc_obj,$originalfilename,$filename);
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| 132 | }
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| 133 | else {
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| 134 | $self->extract_mtnKeyframes($doc_obj,$originalfilename,$filename, $video_width,$video_height);
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| 135 | }
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| 136 | }
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| 137 |
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| 138 |
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| 139 | sub extract_ffKeyframes
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| 140 | {
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| 141 | my $self = shift (@_);
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[18556] | 142 | my ($doc_obj,$originalfilename,$filename) = @_;
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[18425] | 143 |
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[18556] | 144 | my $section = $doc_obj->get_top_section();
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| 145 |
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| 146 | my $output_dir = $self->{'cached_dir'};
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| 147 | my $ivideo_root = $self->{'cached_file_root'};
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| 148 |
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| 149 | # Generate the keyframes with ffmpeg and hive
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[22432] | 150 | my $ifilename = $originalfilename || $filename;
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[25518] | 151 |
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[25516] | 152 | my ($keyframe_cmd,$okeyframe_filename) = $self->ffKeyframe_cmd($ifilename);
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[18556] | 153 |
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| 154 | my $keyframe_options = { @{$self->{'ffmpeg_monitor'}},
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| 155 | 'message_prefix' => "Keyframe",
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| 156 | 'message' => "Extracting keyframes" };
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| 157 |
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[22432] | 158 | $self->run_cached_general_cmd($keyframe_cmd,
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| 159 | $ifilename,$okeyframe_filename,
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| 160 | $keyframe_options);
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[18556] | 161 | $self->parse_shot_xml();
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[21335] | 162 |
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| 163 | my $keep_keyframe_timeline = $self->{'keep_keyframe_timeline'};
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| 164 | $self->associate_keyframes($doc_obj,$section,$keep_keyframe_timeline);
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| 165 |
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[18425] | 166 | }
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| 167 |
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| 168 |
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[25516] | 169 | sub extract_mtnKeyframes
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| 170 | {
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| 171 | my $self = shift (@_);
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| 172 | my ($doc_obj,$originalfilename,$filename,$video_width,$video_height) = @_;
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[18425] | 173 |
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[25516] | 174 | my $section = $doc_obj->get_top_section();
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| 175 |
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| 176 | my $output_dir = $self->{'cached_dir'};
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| 177 | my $ivideo_root = $self->{'cached_file_root'};
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| 178 |
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| 179 | my $verbosity = $self->{'verbosity'};
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| 180 | my $outhandle = $self->{'outhandle'};
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| 181 |
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| 182 | # Generate the keyframes with ffmpeg and hive
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| 183 | my $ifilename = $originalfilename || $filename;
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| 184 | my ($keyframe_cmd,$okeyframe_filename) = $self->mtnKeyframe_cmd($ifilename, $video_width,$video_height);
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| 185 |
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| 186 | my $keyframe_options = { 'verbosity' => $verbosity,
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| 187 | 'outhandle' => $outhandle,
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| 188 | 'message_prefix' => "Keyframe",
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| 189 | 'message' => "Extracting keyframes" };
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| 190 |
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| 191 | $self->run_cached_general_cmd($keyframe_cmd,
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| 192 | $ifilename,$okeyframe_filename,
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| 193 | $keyframe_options);
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| 194 |
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| 195 | $self->parse_shot_dir();
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| 196 |
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| 197 | my $keep_keyframe_timeline = $self->{'keep_keyframe_timeline'};
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| 198 | $self->associate_keyframes($doc_obj,$section,$keep_keyframe_timeline);
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| 199 |
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| 200 | }
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| 201 |
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| 202 |
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[18556] | 203 | sub extract_thumbnail
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| 204 | {
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| 205 | my $self = shift (@_);
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| 206 | my ($doc_obj,$filename,$convertto_regenerated,$thumbnailtype,
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[25346] | 207 | $thumbnail_width, $thumbnail_height,$video_duration) = @_;
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[18556] | 208 |
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| 209 | my $section = $doc_obj->get_top_section();
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| 210 |
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| 211 | my $output_dir = $self->{'cached_dir'};
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| 212 | my $ivideo_root = $self->{'cached_file_root'};
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| 213 |
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| 214 | my $verbosity = $self->{'verbosity'};
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| 215 | my $outhandle = $self->{'outhandle'};
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| 216 |
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| 217 |
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[22432] | 218 | # Generate the thumbnail with convert, a la ImagePlugin
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[18556] | 219 |
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[20111] | 220 | my $thumbnailfile = &util::filename_cat($output_dir,"$ivideo_root-thumbnail.$thumbnailtype");
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[18556] | 221 |
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| 222 | my $optionally_run_general_cmd = "run_uncached_general_cmd";
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| 223 | if ($self->{'enable_cache'}) {
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| 224 | $optionally_run_general_cmd
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| 225 | = ($convertto_regenerated) ? "regenerate_general_cmd" : "run_cached_general_cmd";
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| 226 | }
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| 227 |
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[20111] | 228 | ### print STDERR "**** creating thumbnail: $thumbnail_width x $thumbnail_height\n";
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[23293] | 229 | # my $ofilename = $self->get_ovideo_filename($self->{'enable_streaming'});
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[18556] | 230 | my ($thumb_cmd ,$othumb_filename)
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[25346] | 231 | = $self->keyframe_thumbnail_cmd($filename,$thumbnailfile,$thumbnail_width,$thumbnail_height,$video_duration);
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[18556] | 232 |
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| 233 | my $thumb_options = { 'verbosity' => $verbosity,
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| 234 | 'outhandle' => $outhandle,
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| 235 | 'message_prefix' => "Thumbnail",
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| 236 | 'message' => "Generating thumbnail" };
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| 237 |
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| 238 | my ($thumb_regenerated,$thumb_result,$thumb_had_error)
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[23293] | 239 | = $self->$optionally_run_general_cmd($thumb_cmd,$filename,$thumbnailfile,$thumb_options);
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[18556] | 240 |
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| 241 | # Add the thumbnail as an associated file ...
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| 242 | if (-e "$thumbnailfile") {
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| 243 | $doc_obj->associate_file("$thumbnailfile", "thumbnail.$thumbnailtype",
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| 244 | "image/$thumbnailtype",$section);
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| 245 | $doc_obj->add_metadata ($section, "ThumbType", $thumbnailtype);
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| 246 | $doc_obj->add_metadata ($section, "Thumb", "thumbnail.$thumbnailtype");
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| 247 |
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| 248 | $doc_obj->add_utf8_metadata ($section, "thumbicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Thumb]\" width=[ThumbWidth] height=[ThumbHeight]>");
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| 249 | ### $doc_obj->add_utf8_metadata ($section, "thumbicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Thumb]\">");
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| 250 | }
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| 251 |
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| 252 | # Extract Thumnail metadata from convert output
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| 253 | if ($thumb_result =~ m/[0-9]+x[0-9]+=>([0-9]+)x([0-9]+)/) {
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| 254 | $doc_obj->add_metadata ($section, "ThumbWidth", $1);
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| 255 | $doc_obj->add_metadata ($section, "ThumbHeight", $2);
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| 256 | }
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| 257 | else {
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| 258 | # Two reasons for getting to here:
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| 259 | # 1.thumbnail was generated by ffmpeg, not imagemagick convert
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| 260 | # 2.thumbnail was cached, so imagemagick convert was not run
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| 261 | # Either way, the solution is the same:
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[22432] | 262 | # => run "identify $thumbnailfile" and parse result
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| 263 | $thumb_result = `identify \"$thumbnailfile\" 2>&1`;
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[18556] | 264 |
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| 265 | if ($thumb_result =~ m/([0-9]+)x([0-9]+)/) {
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| 266 | $doc_obj->add_metadata ($section, "ThumbWidth", $1);
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| 267 | $doc_obj->add_metadata ($section, "ThumbHeight", $2);
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| 268 | }
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| 269 | }
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| 270 | }
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| 271 |
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| 272 |
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| 273 | sub extract_keyframes_montage
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| 274 | {
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| 275 | my $self = shift (@_);
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| 276 | my ($doc_obj,$filename,$thumbnailtype) = @_;
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| 277 |
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| 278 | my $section = $doc_obj->get_top_section();
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| 279 |
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| 280 | my $output_dir = $self->{'cached_dir'};
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| 281 | my $ivideo_root = $self->{'cached_file_root'};
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| 282 |
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| 283 |
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| 284 | # Generate the mosaic with 'montage'
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| 285 | my $montagefile = &util::filename_cat($output_dir,"$ivideo_root\_montage.$thumbnailtype");
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| 286 |
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| 287 | my ($montage_cmd,$omontage_filename)
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| 288 | = $self->keyframe_montage_cmd($filename,$montagefile);
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| 289 |
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| 290 | my $montage_options = { 'message_prefix' => "Montage",
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| 291 | 'message' => "Generating montage" };
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| 292 |
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| 293 | my ($montage_result,$montage_had_error)
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| 294 | = $self->run_general_cmd($montage_cmd,$montage_options);
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| 295 |
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| 296 | # Add the montage as an associated file ...
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| 297 | if (-e "$montagefile") {
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| 298 | $doc_obj->associate_file("$montagefile", "montage.$thumbnailtype",
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| 299 | "image/$thumbnailtype",$section);
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| 300 | $doc_obj->add_metadata ($section, "MontageType", $thumbnailtype);
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| 301 | $doc_obj->add_metadata ($section, "Montage", "montage.$thumbnailtype");
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| 302 |
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| 303 | $doc_obj->add_utf8_metadata ($section, "montageicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Montage]\" >");
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| 304 | }
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| 305 | }
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| 306 |
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| 307 |
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| 308 |
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| 309 | sub extract_screenview
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| 310 | {
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| 311 | my $self = shift (@_);
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[25346] | 312 | my ($doc_obj,$filename,$convertto_regenerated, $screenviewtype, $screenview_width,$screenview_height,$video_duration) = @_;
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[18556] | 313 |
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| 314 | my $section = $doc_obj->get_top_section();
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| 315 |
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| 316 | my $output_dir = $self->{'cached_dir'};
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| 317 | my $ivideo_root = $self->{'cached_file_root'};
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| 318 |
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[20347] | 319 | my $optionally_run_general_cmd = "run_uncached_general_cmd";
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| 320 | if ($self->{'enable_cache'}) {
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| 321 | $optionally_run_general_cmd
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| 322 | = ($convertto_regenerated) ? "regenerate_general_cmd" : "run_cached_general_cmd";
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| 323 | }
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[18556] | 324 | # make the screenview image
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| 325 |
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[20111] | 326 | my $screenviewfilename = &util::filename_cat($output_dir,"$ivideo_root-screenview.$screenviewtype");
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[18556] | 327 |
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| 328 |
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| 329 | my ($screenview_cmd,$oscreenview_filename)
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[25346] | 330 | = $self->keyframe_thumbnail_cmd($filename,$screenviewfilename,$screenview_width,$screenview_height,$video_duration);
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[18556] | 331 |
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| 332 | my $screenview_options = { 'message_prefix' => "Screenview",
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| 333 | 'message' => "Generating screenview image" };
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| 334 |
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[20347] | 335 |
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| 336 | my ($screenview_regenerated,$screenview_result,$screenview_had_error)
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[22432] | 337 | = $self->$optionally_run_general_cmd($screenview_cmd,
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| 338 | $filename,$screenviewfilename,
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| 339 | $screenview_options);
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[20347] | 340 |
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[18556] | 341 |
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| 342 | # get screenview dimensions, size and type
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[20347] | 343 | if ($screenview_result =~ m/[0-9]+x[0-9]+=>([0-9]+)x([0-9]+)/) {
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[18556] | 344 | $doc_obj->add_metadata ($section, "ScreenWidth", $1);
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| 345 | $doc_obj->add_metadata ($section, "ScreenHeight", $2);
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| 346 | }
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| 347 | else {
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| 348 | $doc_obj->add_metadata ($section, "ScreenWidth", $screenview_width);
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| 349 | $doc_obj->add_metadata ($section, "ScreenHeight", $screenview_height);
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| 350 | }
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| 351 |
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| 352 | #add the screenview as an associated file ...
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| 353 | if (-e "$screenviewfilename") {
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| 354 | $doc_obj->associate_file("$screenviewfilename", "screenview.$screenviewtype",
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| 355 | "image/$screenviewtype",$section);
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| 356 | $doc_obj->add_metadata ($section, "ScreenType", $screenviewtype);
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| 357 | $doc_obj->add_metadata ($section, "Screen", "screenview.$screenviewtype");
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| 358 |
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| 359 | $doc_obj->add_utf8_metadata ($section, "screenicon", "<img src=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Screen]\" width=[ScreenWidth] height=[ScreenHeight]>");
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| 360 | } else {
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| 361 | my $outhandle = $self->{'outhandle'};
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| 362 | print $outhandle "VideoPlugin: couldn't find \"$screenviewfilename\"\n";
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| 363 | }
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| 364 | }
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| 365 |
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| 366 |
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[18425] | 367 | # Create the keyframes, thumbnail and screenview images, and discover
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| 368 | # the Video's size, width, and height using the ffmpeg utility.
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| 369 |
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| 370 | sub run_convert {
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| 371 | my $self = shift (@_);
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| 372 | my $base_dir = shift (@_);
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| 373 | my $filename = shift (@_); # filename with full path
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| 374 | my $file = shift (@_); # filename without path
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| 375 | my $doc_obj = shift (@_);
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| 376 |
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| 377 | my $section = $doc_obj->get_top_section();
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| 378 |
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| 379 | my $verbosity = $self->{'verbosity'};
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| 380 | my $outhandle = $self->{'outhandle'};
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| 381 |
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| 382 | # check the filename is okay
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| 383 | return 0 if ($file eq "" || $filename eq "");
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| 384 |
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| 385 | my $minimumsize = $self->{'minimumsize'};
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| 386 | if (defined $minimumsize && (-s $filename < $minimumsize)) {
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[18476] | 387 | print $outhandle "VideoPlugin: \"$filename\" too small, skipping\n"
|
---|
[18425] | 388 | if ($verbosity > 1);
|
---|
| 389 | }
|
---|
| 390 |
|
---|
[25516] | 391 | my $identify_hash = &VideoConverter::identifyMI($filename, $outhandle, $verbosity);
|
---|
| 392 |
|
---|
| 393 | my $video_type = $identify_hash->{'vtype'};
|
---|
| 394 | my $video_width = $identify_hash->{'width'};
|
---|
| 395 | my $video_height = $identify_hash->{'height'};
|
---|
| 396 | my $video_duration = $identify_hash->{'duration'};
|
---|
| 397 | my $video_size = $identify_hash->{'filesize'};
|
---|
| 398 | my $vcodec = $identify_hash->{'vcodec'};
|
---|
| 399 | my $vfps = $identify_hash->{'fps'};
|
---|
| 400 | my $atype = $identify_hash->{'acodec'};
|
---|
| 401 | my $afreq = $identify_hash->{'afreq'};
|
---|
| 402 | my $achan = $identify_hash->{'achan'};
|
---|
| 403 | my $arate = $identify_hash->{'arate'};
|
---|
[18425] | 404 |
|
---|
[25516] | 405 | if ($video_duration =~ m/^(\d\d):(\d\d):(\d\d)\.(\d+)$/) {
|
---|
| 406 | # ffmpeg can generate durations in this form.
|
---|
| 407 | # MediaInof works in milliseconds, so work to this same resolution
|
---|
| 408 | $video_duration = ($1*3600 + $2*60 + $3 + ($4/10.0)) * 1000.0;
|
---|
| 409 | }
|
---|
[22432] | 410 |
|
---|
[25346] | 411 | # if ($video_duration =~ m/^(\d\d):(\d\d):(\d\d)\.(\d+)$/) {
|
---|
| 412 | # $video_duration = $1*3600 + $2*60 + $3 + ($4/10.0);
|
---|
| 413 | # }
|
---|
| 414 |
|
---|
| 415 | my $identify_vals = &VideoConverter::identifyMI($filename, $outhandle, $verbosity);
|
---|
| 416 | $video_duration = $identify_vals->{'duration'};
|
---|
| 417 | $vfps = $identify_vals->{'fps'};
|
---|
| 418 | $video_width = $identify_vals->{'width'};
|
---|
| 419 | $video_height = $identify_vals->{'height'};
|
---|
| 420 |
|
---|
| 421 | print STDERR "**** video width x height: $video_width x $video_height\n";
|
---|
| 422 |
|
---|
[25518] | 423 | if (($vfps eq "unknown") || ($vfps eq "")) {
|
---|
[22487] | 424 | print $outhandle "Unknown framerate, defaulting to 25 frames per second.\n";
|
---|
| 425 | $vfps = 25;
|
---|
| 426 | }
|
---|
[21825] | 427 |
|
---|
[22432] | 428 | my $total_dur_secs = $video_duration / 1000;
|
---|
[18425] | 429 |
|
---|
| 430 | $self->{'video-fps'} = $vfps;
|
---|
[25518] | 431 | print STDERR "**** vfps = $vfps\n";
|
---|
| 432 |
|
---|
[18425] | 433 | $self->{'num-total-frames'} = $total_dur_secs * $vfps;
|
---|
[22487] | 434 | #print STDERR "****\nTotal_dur_secs= $total_dur_secs vfps= $vfps\n****\n";
|
---|
[18425] | 435 |
|
---|
| 436 | # Convert the video to a new type (if required).
|
---|
| 437 | my $converttotype = $self->{'converttotype'};
|
---|
| 438 | my $converttosize = $self->{'converttosize'};
|
---|
| 439 |
|
---|
| 440 | # shorten duration prcessed for experimentation purposes
|
---|
[23189] | 441 | my $exp_duration = undef;
|
---|
| 442 | ## my $exp_duration = "00:00:30";
|
---|
[18425] | 443 |
|
---|
[18556] | 444 | my $excerpt_duration = $self->{'excerpt_duration'};
|
---|
[18425] | 445 |
|
---|
[18556] | 446 | if ((defined $excerpt_duration) && ($excerpt_duration ne "")) {
|
---|
| 447 | $exp_duration = $excerpt_duration;
|
---|
[18995] | 448 | my ($hh,$mm,$ss,$ms);
|
---|
| 449 |
|
---|
[22487] | 450 | if ($exp_duration =~ m/^(\d\d):(\d\d):(\d\d)\.?(\d)$/) {
|
---|
[18995] | 451 | $hh = $1;
|
---|
| 452 | $mm = $2;
|
---|
| 453 | $ss = $3;
|
---|
| 454 | $ms = $4;
|
---|
| 455 | }
|
---|
| 456 | else {
|
---|
| 457 | # assume value is in seconds
|
---|
| 458 | $hh = 0;
|
---|
| 459 | $mm = 0;
|
---|
| 460 | $ss = $exp_duration;
|
---|
| 461 | $ms = 0;
|
---|
| 462 | }
|
---|
| 463 |
|
---|
[18425] | 464 | my $excerpt_dur_in_secs = $hh * 3600 + $mm * 60 + $ss;
|
---|
| 465 |
|
---|
| 466 | if ($excerpt_dur_in_secs < $total_dur_secs) {
|
---|
| 467 | $self->{'num-total-frames'} = $excerpt_dur_in_secs * $vfps; # override calculation for full length duration
|
---|
| 468 | }
|
---|
| 469 | else {
|
---|
| 470 | # clip is already shorter than requested video excerpt duration
|
---|
| 471 | # set exp_duration back to undefined
|
---|
| 472 | $exp_duration = undef;
|
---|
| 473 | }
|
---|
| 474 | }
|
---|
| 475 |
|
---|
| 476 |
|
---|
| 477 | if (defined $exp_duration)
|
---|
| 478 | {
|
---|
| 479 | print $outhandle "Only encoding first $exp_duration of video.\n";
|
---|
| 480 | $self->{'exp_duration'} = $exp_duration;
|
---|
| 481 | }
|
---|
| 482 |
|
---|
| 483 | my $ascii_only_filenames = $self->{'use_ascii_only_filenames'};
|
---|
[18556] | 484 | $self->init_cache_for_file($filename);
|
---|
[18425] | 485 |
|
---|
| 486 | my $originalfilename = undef;
|
---|
| 487 | my $type = "unknown";
|
---|
| 488 |
|
---|
[18556] | 489 | my $output_dir = $self->{'cached_dir'};
|
---|
| 490 | my $ivideo_root = $self->{'cached_file_root'};
|
---|
[18425] | 491 |
|
---|
| 492 | my $convertto_regenerated = 0;
|
---|
| 493 | if (($converttotype ne "" && $filename =~ m/$converttotype$/i) ||
|
---|
| 494 | (($converttosize ne "" && $converttosize ne $video_width) || ($converttosize ne "" && $converttosize ne $video_height))) {
|
---|
| 495 | if ($converttotype eq "") {
|
---|
| 496 | # in this block because the video width x height different to original
|
---|
| 497 | # => set (for this call to run_convert only) converttotype
|
---|
| 498 | # to input file extension
|
---|
| 499 | ($converttotype) = ($filename =~ m/\.(.*?)$/);
|
---|
| 500 | }
|
---|
| 501 |
|
---|
| 502 | $originalfilename = $filename;
|
---|
| 503 |
|
---|
| 504 | $file = "$ivideo_root.$converttotype";
|
---|
| 505 | $filename = &util::filename_cat($output_dir,$file);
|
---|
| 506 |
|
---|
[18556] | 507 | my $s_opt = $self->optional_frame_scale($converttosize,$video_width,$video_height);
|
---|
[18425] | 508 | my $exp_duration = $self->{'exp_duration'};
|
---|
| 509 | my $t_opt = (defined $exp_duration) ? "-t $exp_duration" : "";
|
---|
| 510 |
|
---|
| 511 | my $main_opts = "-y $t_opt $s_opt";
|
---|
| 512 |
|
---|
| 513 |
|
---|
[18490] | 514 | my $originalfilename_gsdlenv = $self->gsdlhome_independent($originalfilename);
|
---|
| 515 | my $filename_gsdlenv = $self->gsdlhome_independent($filename);
|
---|
| 516 |
|
---|
| 517 |
|
---|
| 518 | my $convertto_command = "ffmpeg $main_opts -i \"$originalfilename_gsdlenv\"";
|
---|
[18425] | 519 | $convertto_command .= " -ar 22050" if ($converttotype eq "flv");
|
---|
[18490] | 520 | $convertto_command .= " -y \"$filename_gsdlenv\"";
|
---|
[18425] | 521 |
|
---|
| 522 | my $convertto_result;
|
---|
| 523 | my $convertto_error;
|
---|
| 524 |
|
---|
[18556] | 525 | my $convertto_options = { @{$self->{'ffmpeg_monitor'}},
|
---|
[18425] | 526 | 'message_prefix' => "Convert to",
|
---|
| 527 | 'message' => "Converting video to $converttotype" };
|
---|
| 528 |
|
---|
| 529 | ($convertto_regenerated,$convertto_result,$convertto_error)
|
---|
[22432] | 530 | = $self->run_cached_general_cmd($convertto_command,
|
---|
| 531 | $originalfilename,$filename,
|
---|
| 532 | $convertto_options);
|
---|
[18425] | 533 |
|
---|
| 534 | $type = $converttotype;
|
---|
| 535 | }
|
---|
| 536 |
|
---|
| 537 |
|
---|
| 538 | # Add the video metadata
|
---|
| 539 |
|
---|
| 540 | my $file_unicode = pack("U0C*", map { ord($_) } split(//,$file)); # force explicitly to unicode
|
---|
| 541 |
|
---|
| 542 | $file_unicode =~ s/\x{2018}|\x{2019}|\x{201C}|\x{201D}//g; # remove smart quotes as cause problem in URL for video server
|
---|
| 543 | $file_unicode =~ s/\x{2013}/\-/g; # change en-dash to '-' as again causes problems for video server
|
---|
| 544 |
|
---|
| 545 | ## print STDERR "**** file metadata = ", &gsprintf::debug_unicode_string($file_unicode), "\n";
|
---|
| 546 |
|
---|
| 547 |
|
---|
| 548 | # split filename on char if specified
|
---|
[20111] | 549 | if (0) {
|
---|
| 550 | # don't do any more
|
---|
| 551 | # if ($file_unicode =~ m/\-/) {
|
---|
[18425] | 552 |
|
---|
| 553 | my @file_split = split(/\s*\-\s*/,$file_unicode);
|
---|
| 554 | my $creator = shift @file_split;
|
---|
| 555 | my $title = shift @file_split;
|
---|
| 556 |
|
---|
| 557 | $title =~ s/\..*?$//;
|
---|
| 558 | $title =~ s/^(.)/\u$1/;
|
---|
| 559 |
|
---|
| 560 | $doc_obj->add_utf8_metadata($section,"Title",$title);
|
---|
| 561 |
|
---|
| 562 | my @creator_split = split(/\s+and\s+/,$creator);
|
---|
| 563 | foreach my $c (@creator_split) {
|
---|
| 564 | $doc_obj->add_utf8_metadata($section,"Creator",$c);
|
---|
| 565 | }
|
---|
| 566 | }
|
---|
| 567 |
|
---|
| 568 | $file = $file_unicode;
|
---|
[25516] | 569 |
|
---|
[25346] | 570 | # my $filemeta = $self->filename_to_utf8_metadata($file);
|
---|
| 571 | # my $filemeta_url_safe = $self->url_safe($filemeta);
|
---|
[18425] | 572 |
|
---|
[25346] | 573 | my $filemeta_url_safe = &unicode::filename_to_url($file);
|
---|
| 574 |
|
---|
[18425] | 575 | $doc_obj->add_utf8_metadata ($section, "Video", $filemeta_url_safe);
|
---|
| 576 |
|
---|
| 577 | # Also want to set filename as 'Source' metadata to be
|
---|
| 578 | # consistent with other plugins
|
---|
[20347] | 579 | # $doc_obj->add_utf8_metadata ($section, "Source", $filemeta_url_safe);
|
---|
[18425] | 580 |
|
---|
| 581 |
|
---|
| 582 | if ($video_type ne " ") {
|
---|
| 583 | $type = $video_type;
|
---|
| 584 | }
|
---|
| 585 |
|
---|
| 586 | $doc_obj->add_metadata ($section, "FileFormat", $type);
|
---|
| 587 | $doc_obj->add_metadata ($section, "FileSize", $video_size);
|
---|
| 588 |
|
---|
| 589 | $doc_obj->add_metadata ($section, "VideoType", $video_type);
|
---|
| 590 | $doc_obj->add_metadata ($section, "VideoWidth", $video_width);
|
---|
| 591 | $doc_obj->add_metadata ($section, "VideoHeight", $video_height);
|
---|
| 592 | $doc_obj->add_metadata ($section, "VideoDuration", $video_duration);
|
---|
| 593 | $doc_obj->add_metadata ($section, "VideoSize", $video_size);
|
---|
| 594 |
|
---|
| 595 | $doc_obj->add_metadata ($section, "VideoCodec", $vcodec);
|
---|
| 596 | $doc_obj->add_metadata ($section, "VideoFPS", $vfps);
|
---|
| 597 |
|
---|
| 598 | $doc_obj->add_metadata ($section, "AudioType", $atype);
|
---|
| 599 | $doc_obj->add_metadata ($section, "AudioFreq", $afreq);
|
---|
| 600 | $doc_obj->add_metadata ($section, "AudioChannels", $achan);
|
---|
| 601 | $doc_obj->add_metadata ($section, "AudioRate", $arate);
|
---|
| 602 |
|
---|
| 603 | $doc_obj->add_utf8_metadata ($section, "srclink",
|
---|
| 604 | "<a href=\"_httpprefix_/collect/[collection]/index/assoc/[assocfilepath]/[Video]\">");
|
---|
| 605 | $doc_obj->add_utf8_metadata ($section, "/srclink", "</a>");
|
---|
| 606 | $doc_obj->add_metadata ($section, "srcicon", "[VideoType]");
|
---|
| 607 |
|
---|
[21825] | 608 |
|
---|
[20492] | 609 | # Add the original file as an associated file
|
---|
[21825] | 610 | if ($self->{'keep_original_video'} eq "true") {
|
---|
| 611 | $doc_obj->associate_file($filename,$file,"video/$type",$section);
|
---|
| 612 | }
|
---|
[18425] | 613 |
|
---|
| 614 |
|
---|
[25516] | 615 | if ($self->{'create_keyframes'} eq "true") {
|
---|
[25518] | 616 | $self->extract_keyframes($doc_obj,$originalfilename,$filename,$video_width,$video_height);
|
---|
[18425] | 617 | }
|
---|
| 618 |
|
---|
| 619 | my $streamable_regenerated = 0;
|
---|
[21825] | 620 |
|
---|
| 621 | # Create a VP6+MP3 streaming ready video file with FFMpeg
|
---|
| 622 | if ($self->{'enable_streaming'} eq "flv") {
|
---|
[20347] | 623 | $streamable_regenerated
|
---|
| 624 | = $self->enable_full_streaming($doc_obj,
|
---|
[19828] | 625 | $originalfilename,$filename,
|
---|
| 626 | $convertto_regenerated,
|
---|
| 627 | $video_width,$video_height);
|
---|
[18425] | 628 | }
|
---|
| 629 |
|
---|
[21825] | 630 | # Create an H264+ACC streaming ready video file with Handbrake
|
---|
| 631 | if ($self->{'enable_streaming'} eq "mp4") {
|
---|
[20347] | 632 | $streamable_regenerated
|
---|
| 633 | = $self->enable_h264_streaming($doc_obj,
|
---|
| 634 | $originalfilename,$filename,
|
---|
| 635 | $convertto_regenerated,
|
---|
| 636 | $video_width,$video_height);
|
---|
| 637 | }
|
---|
[23293] | 638 |
|
---|
| 639 | # Use the original video file for streaming
|
---|
| 640 | if ($self->{'enable_streaming'} eq "direct") {
|
---|
| 641 | $self->enable_direct_streaming($doc_obj,
|
---|
| 642 | $originalfilename,$filename,
|
---|
| 643 | $file,$video_width,$video_height);
|
---|
| 644 | }
|
---|
[18425] | 645 |
|
---|
| 646 | my $thumbnailsize = $self->{'thumbnailsize'} || 100;
|
---|
| 647 | my $thumbnailtype = $self->{'thumbnailtype'} || 'jpg';
|
---|
| 648 |
|
---|
[18490] | 649 |
|
---|
[18556] | 650 | if ($self->{'create_thumbnail'} eq "true") {
|
---|
[18490] | 651 |
|
---|
[18556] | 652 | my $thumbnail_width;
|
---|
| 653 | my $thumbnail_height;
|
---|
| 654 |
|
---|
[25346] | 655 | # if ($video_width<$video_height) {
|
---|
| 656 | # my $scale_ratio = $video_height / $video_width;
|
---|
| 657 | # $thumbnail_width = $thumbnailsize;
|
---|
| 658 | # $thumbnail_height = int($thumbnailsize * $scale_ratio);
|
---|
| 659 | # }
|
---|
| 660 | # else {
|
---|
| 661 | ## Standardizes on height, width scaled to keep aspectc ration the same
|
---|
| 662 | # my $scale_ratio = $video_width / $video_height;
|
---|
| 663 | # $thumbnail_width = int($thumbnailsize * $scale_ratio);
|
---|
| 664 | # $thumbnail_height = $thumbnailsize;
|
---|
| 665 | # }
|
---|
| 666 |
|
---|
[23406] | 667 | if ($video_width<$video_height) {
|
---|
[25346] | 668 | my $scale_ratio = $video_width / $video_height;
|
---|
| 669 | $thumbnail_width = int($thumbnailsize * $scale_ratio);
|
---|
| 670 | $thumbnail_height = $thumbnailsize;
|
---|
| 671 | }
|
---|
| 672 | else {
|
---|
[18556] | 673 | my $scale_ratio = $video_height / $video_width;
|
---|
| 674 | $thumbnail_width = $thumbnailsize;
|
---|
| 675 | $thumbnail_height = int($thumbnailsize * $scale_ratio);
|
---|
[18425] | 676 | }
|
---|
[18556] | 677 |
|
---|
[18995] | 678 | # for some video formats, extracted size needs to be multiple of 2
|
---|
| 679 | $thumbnail_width = int($thumbnail_width/2) * 2;
|
---|
| 680 | $thumbnail_height = int($thumbnail_height/2) * 2;
|
---|
[18425] | 681 |
|
---|
[25346] | 682 | ## print STDERR "*** thumbsize: $thumbnailsize";
|
---|
| 683 | ## print STDERR "*** thumbnail: $thumbnail_width x $thumbnail_height\n";
|
---|
| 684 |
|
---|
[18556] | 685 | $self->extract_thumbnail($doc_obj,$filename,$convertto_regenerated,
|
---|
| 686 | $thumbnailtype,
|
---|
[25346] | 687 | $thumbnail_width,$thumbnail_height,
|
---|
| 688 | $video_duration);
|
---|
[18425] | 689 | }
|
---|
| 690 |
|
---|
[25516] | 691 | if (($self->{'create_keyframes'} eq "true") && ($self->{'create_montage'} eq "true")) {
|
---|
[18556] | 692 | $self->extract_keyframes_montage($doc_obj,$filename,$thumbnailtype);
|
---|
| 693 | }
|
---|
[18425] | 694 |
|
---|
[18556] | 695 | my $screenviewsize = $self->{'screenviewsize'};
|
---|
| 696 | my $screenviewtype = $self->{'screenviewtype'} || 'jpeg';
|
---|
[18425] | 697 |
|
---|
| 698 | # Make a screen-sized version of the picture if requested
|
---|
[18556] | 699 | if ($self->{'create_screenview'} eq "true") {
|
---|
[18425] | 700 |
|
---|
| 701 | # To do: if the actual image smaller than the screenview size,
|
---|
| 702 | # we should use the original !
|
---|
| 703 |
|
---|
[18556] | 704 | my $screenview_width;
|
---|
| 705 | my $screenview_height;
|
---|
[18490] | 706 |
|
---|
| 707 | if ($video_width>$video_height) {
|
---|
| 708 | my $scale_ratio = $video_height / $video_width;
|
---|
[18556] | 709 | $screenview_width = $screenviewsize;
|
---|
| 710 | $screenview_height = int($screenviewsize * $scale_ratio);
|
---|
[18490] | 711 | }
|
---|
| 712 | else {
|
---|
| 713 | my $scale_ratio = $video_width / $video_height;
|
---|
[18556] | 714 | $screenview_width = int($screenviewsize * $scale_ratio);
|
---|
| 715 | $screenview_height = $screenviewsize;
|
---|
[18490] | 716 | }
|
---|
| 717 |
|
---|
| 718 |
|
---|
[18995] | 719 | # for some video formats, extracted size needs to be multiple of 2
|
---|
| 720 | $screenview_width = int($screenview_width/2) * 2;
|
---|
| 721 | $screenview_height = int($screenview_height/2) * 2;
|
---|
| 722 |
|
---|
[20347] | 723 | $self->extract_screenview($doc_obj,$filename, $convertto_regenerated,
|
---|
[18556] | 724 | $screenviewtype,
|
---|
[25346] | 725 | $screenview_width,$screenview_height,
|
---|
| 726 | $video_duration);
|
---|
[18425] | 727 | }
|
---|
| 728 |
|
---|
| 729 | return $type;
|
---|
| 730 | }
|
---|
| 731 |
|
---|
| 732 |
|
---|
| 733 |
|
---|
| 734 |
|
---|
[18476] | 735 | sub read_into_doc_obj {
|
---|
| 736 | my $self = shift (@_);
|
---|
| 737 | my ($pluginfo, $base_dir, $file, $block_hash, $metadata, $processor, $maxdocs, $total_count, $gli) = @_;
|
---|
[18425] | 738 |
|
---|
[20003] | 739 | $self->{'media_type'} = "video";
|
---|
| 740 |
|
---|
[18556] | 741 | my ($rv,$doc_obj) = $self->SUPER::read_into_doc_obj(@_);
|
---|
[18425] | 742 |
|
---|
[18556] | 743 | if ($rv != 1) {
|
---|
| 744 | return ($rv,$doc_obj);
|
---|
[18476] | 745 | }
|
---|
[18425] | 746 |
|
---|
[21335] | 747 | my $enable_streaming
|
---|
| 748 | = ($self->{'enable_flv_streaming'} || $self->{'enable_mp4_streaming'})
|
---|
| 749 | ? 1 : 0;
|
---|
| 750 |
|
---|
[25516] | 751 | if (($enable_streaming) && ($self->{'create_keyframes'} eq "true")) {
|
---|
[18556] | 752 | my $section = $doc_obj->get_top_section();
|
---|
[18425] | 753 | my $oflash_filename = $self->{'oflash_filename'};
|
---|
| 754 | my ($streamkeyframes_cmd,$ostreamkeyframes_filename)
|
---|
[18556] | 755 | = $self->streamkeyframes_cmd($oflash_filename,$doc_obj,$section);
|
---|
[18425] | 756 |
|
---|
| 757 | my $verbosity = $self->{'verbosity'};
|
---|
| 758 |
|
---|
[18556] | 759 | my $streamkeyframes_options = { @{$self->{'flvtool2_monitor'}},
|
---|
[18425] | 760 | 'message_prefix' => "Stream Keyframes",
|
---|
| 761 | 'message' => "Reprocessing video stream to add keyframes on timeline" };
|
---|
[18556] | 762 |
|
---|
| 763 | $self->run_general_cmd($streamkeyframes_cmd,$streamkeyframes_options);
|
---|
[18425] | 764 | }
|
---|
[20111] | 765 |
|
---|
| 766 | my ($filename_full_path, $filename_no_path) = &util::get_full_filenames($base_dir, $file);
|
---|
| 767 | my $section = $doc_obj->get_top_section();
|
---|
| 768 |
|
---|
| 769 | $self->title_fallback($doc_obj,$section,$filename_no_path);
|
---|
[18476] | 770 |
|
---|
[20003] | 771 | $self->{'media_type'} = undef;
|
---|
| 772 |
|
---|
[18556] | 773 | return ($rv,$doc_obj);
|
---|
[18476] | 774 | }
|
---|
[18425] | 775 |
|
---|
| 776 |
|
---|
| 777 |
|
---|
[25516] | 778 | sub open_on_cue
|
---|
| 779 | {
|
---|
| 780 | my ($self) = shift @_;
|
---|
| 781 | my ($cue_filename) = @_;
|
---|
[18476] | 782 |
|
---|
[25516] | 783 | open(CUEOUT,">$cue_filename")
|
---|
| 784 | || die "Unable to open $cue_filename: $!\n";
|
---|
| 785 | print CUEOUT "<tags>\n";
|
---|
| 786 |
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 | sub close_on_cue
|
---|
| 790 | {
|
---|
| 791 | print CUEOUT "</tags>\n";
|
---|
| 792 | close(CUEOUT);
|
---|
| 793 | }
|
---|
| 794 |
|
---|
[18425] | 795 | sub output_distributed_keyframes
|
---|
| 796 | {
|
---|
| 797 | my ($self) = shift @_;
|
---|
| 798 | my ($timeline,$num_dist_frames) = @_;
|
---|
| 799 |
|
---|
| 800 | my $num_total_frames = $self->{'num-total-frames'};
|
---|
| 801 |
|
---|
[21335] | 802 | my $keep_timeline = {};
|
---|
[18425] | 803 |
|
---|
[21335] | 804 | my $frame_delta;
|
---|
| 805 | if ($num_dist_frames eq "all") {
|
---|
| 806 | $frame_delta = undef;
|
---|
| 807 | }
|
---|
| 808 | else {
|
---|
| 809 | $frame_delta = $num_total_frames/$num_dist_frames;
|
---|
| 810 | }
|
---|
| 811 |
|
---|
[18425] | 812 | my $closest_to = $frame_delta;
|
---|
| 813 | my $prev_t = 0;
|
---|
| 814 |
|
---|
| 815 | # print STDERR "*** num total frames = $num_total_frames\n";
|
---|
| 816 | # print STDERR "*** frame delta = $frame_delta\n";
|
---|
| 817 |
|
---|
[21335] | 818 | my $keep_keyframe_num = 1;
|
---|
| 819 |
|
---|
[18425] | 820 | foreach my $curr_t (sort { $a <=> $b } keys %$timeline)
|
---|
| 821 | {
|
---|
| 822 | # print STDERR "*** curr_t = $curr_t\n";
|
---|
| 823 |
|
---|
[21335] | 824 | my $timeline_rec = undef;
|
---|
| 825 |
|
---|
| 826 | if (!defined $closest_to) {
|
---|
| 827 | $timeline_rec = $timeline->{$curr_t};
|
---|
| 828 | $keep_timeline->{$curr_t} = $timeline_rec;
|
---|
| 829 | }
|
---|
| 830 | elsif ($curr_t>$closest_to) {
|
---|
[18425] | 831 | # decide if previous t (prev_t_ or current t (curr_t) is closest
|
---|
| 832 |
|
---|
| 833 | my $prev_t_dist = $closest_to - $prev_t;
|
---|
| 834 | my $curr_t_dist = $curr_t - $closest_to;
|
---|
| 835 |
|
---|
| 836 | if ($curr_t_dist <= $prev_t_dist)
|
---|
| 837 | {
|
---|
[21335] | 838 | $timeline_rec = $timeline->{$curr_t};
|
---|
| 839 | $keep_timeline->{$curr_t} = $timeline_rec;
|
---|
| 840 |
|
---|
[18425] | 841 | }
|
---|
| 842 | else
|
---|
| 843 | {
|
---|
[21335] | 844 | $timeline_rec = $timeline->{$prev_t};
|
---|
| 845 | $keep_timeline->{$prev_t} = $timeline_rec;
|
---|
[18425] | 846 | }
|
---|
| 847 |
|
---|
[21335] | 848 | $closest_to += $frame_delta;
|
---|
| 849 | }
|
---|
| 850 |
|
---|
| 851 | if (defined $timeline_rec) {
|
---|
| 852 |
|
---|
[18425] | 853 | my $name = $timeline_rec->{'name'};
|
---|
| 854 | my $timestamp = $timeline_rec->{'timestamp'};
|
---|
| 855 | my $thumb = $timeline_rec->{'thumb'};
|
---|
[21335] | 856 | my $keyframe_num = $timeline_rec->{'keyframenum'};
|
---|
[18425] | 857 |
|
---|
| 858 |
|
---|
| 859 | print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
| 860 | print CUEOUT " <name>$name</name>\n";
|
---|
| 861 | print CUEOUT " <timestamp>$timestamp</timestamp>\n";
|
---|
| 862 | print CUEOUT " <parameters>\n";
|
---|
| 863 | print CUEOUT " <thumb>$thumb</thumb>\n";
|
---|
[21335] | 864 | print CUEOUT " <keyframeNum>$keyframe_num</keyframeNum>\n";
|
---|
| 865 | print CUEOUT " <keepKeyframeNum>$keep_keyframe_num</keepKeyframeNum>\n";
|
---|
[18425] | 866 | print CUEOUT " </parameters>\n";
|
---|
| 867 | print CUEOUT " <type>navigation</type>\n";
|
---|
| 868 | print CUEOUT " </metatag>\n";
|
---|
| 869 |
|
---|
| 870 | # my $testtime = $timestamp+1000;
|
---|
| 871 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
| 872 | # print CUEOUT " <name>Test $name</name>\n";
|
---|
| 873 | # print CUEOUT " <timestamp>$testtime</timestamp>\n";
|
---|
| 874 | # print CUEOUT " <parameters>\n";
|
---|
| 875 | # print CUEOUT " <thumb>$thumb</thumb>\n";
|
---|
| 876 | # print CUEOUT " <secnum>1</secnum>\n";
|
---|
| 877 | # print CUEOUT " <subsecnum>0</subsecnum>\n";
|
---|
| 878 | # print CUEOUT " </parameters>\n";
|
---|
| 879 | # print CUEOUT " <type>event</type>\n";
|
---|
| 880 | # print CUEOUT " </metatag>\n";
|
---|
| 881 |
|
---|
[21335] | 882 | $keep_keyframe_num++;
|
---|
| 883 |
|
---|
[18425] | 884 | }
|
---|
| 885 | $prev_t = $curr_t;
|
---|
| 886 | }
|
---|
[21335] | 887 |
|
---|
| 888 | $self->{'keep_keyframe_timeline'} = $keep_timeline;
|
---|
[18425] | 889 | }
|
---|
| 890 |
|
---|
| 891 |
|
---|
[18556] | 892 | sub StartDocument {$_[0]->{'PluginObj'}->xml_start_document(@_);}
|
---|
| 893 | sub XMLDecl {$_[0]->{'PluginObj'}->xml_xmldecl(@_);}
|
---|
| 894 | sub Entity {$_[0]->{'PluginObj'}->xml_entity(@_);}
|
---|
| 895 | sub Doctype {$_[0]->{'PluginObj'}->xml_doctype(@_);}
|
---|
| 896 | sub StartTag {$_[0]->{'PluginObj'}->xml_start_tag(@_);}
|
---|
| 897 | sub EndTag {$_[0]->{'PluginObj'}->xml_end_tag(@_);}
|
---|
| 898 | sub Text {$_[0]->{'PluginObj'}->xml_text(@_);}
|
---|
| 899 | sub PI {$_[0]->{'PluginObj'}->xml_pi(@_);}
|
---|
| 900 | sub EndDocument {$_[0]->{'PluginObj'}->xml_end_document(@_);}
|
---|
| 901 | sub Default {$_[0]->{'PluginObj'}->xml_default(@_);}
|
---|
[18425] | 902 |
|
---|
[18556] | 903 |
|
---|
| 904 | # This Char function overrides the one in XML::Parser::Stream to overcome a
|
---|
| 905 | # problem where $expat->{Text} is treated as the return value, slowing
|
---|
| 906 | # things down significantly in some cases.
|
---|
| 907 | sub Char {
|
---|
| 908 | use bytes; # Necessary to prevent encoding issues with XML::Parser 2.31+
|
---|
| 909 | $_[0]->{'Text'} .= $_[1];
|
---|
| 910 | return undef;
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | sub xml_start_document {
|
---|
| 914 | my $self = shift(@_);
|
---|
[18425] | 915 | my ($expat, $name, $sysid, $pubid, $internal) = @_;
|
---|
| 916 |
|
---|
[18556] | 917 | }
|
---|
[18425] | 918 |
|
---|
[18556] | 919 | # Called for XML declarations
|
---|
| 920 | sub xml_xmldecl {
|
---|
| 921 | my $self = shift(@_);
|
---|
| 922 | my ($expat, $version, $encoding, $standalone) = @_;
|
---|
| 923 | }
|
---|
| 924 |
|
---|
| 925 | # Called for XML entities
|
---|
| 926 | sub xml_entity {
|
---|
| 927 | my $self = shift(@_);
|
---|
| 928 | my ($expat, $name, $val, $sysid, $pubid, $ndata) = @_;
|
---|
| 929 | }
|
---|
| 930 |
|
---|
| 931 |
|
---|
| 932 | # Called for DOCTYPE declarations - use die to bail out if this doctype
|
---|
| 933 | # is not meant for this plugin
|
---|
| 934 | sub xml_doctype {
|
---|
| 935 | my $self = shift(@_);
|
---|
| 936 | my ($expat, $name, $sysid, $pubid, $internal) = @_;
|
---|
| 937 |
|
---|
| 938 | # This test used to be done in xml_start_document
|
---|
| 939 | # Moved to here as seems more logical
|
---|
| 940 |
|
---|
[18425] | 941 | if ($name !~ "seg") {
|
---|
[18556] | 942 | die "VideoPlugin: Root tag $name does not match expected <seg>";
|
---|
[18425] | 943 | }
|
---|
| 944 | }
|
---|
| 945 |
|
---|
[18556] | 946 |
|
---|
| 947 | sub xml_start_tag {
|
---|
| 948 | my $self = shift(@_);
|
---|
[18425] | 949 | my ($expat, $element) = @_;
|
---|
| 950 |
|
---|
| 951 | my %attr = %_;
|
---|
| 952 |
|
---|
| 953 | if ($element eq "seg") {
|
---|
| 954 | $self->{'keyframe_index'} = 0;
|
---|
| 955 | $self->{'keyframe_fnames'} = [];
|
---|
| 956 | $self->{'keyframe_timeline'} = {};
|
---|
| 957 |
|
---|
| 958 | #$self->{'flowplayer_thumblist'} = "thumbs: \\[";
|
---|
| 959 |
|
---|
[18556] | 960 | my $output_dir = $self->{'cached_dir'};
|
---|
[18425] | 961 | my $cue_filename = &util::filename_cat($output_dir,"on_cue.xml");
|
---|
| 962 |
|
---|
| 963 | open(CUEOUT,">$cue_filename")
|
---|
| 964 | || die "Unable to open $cue_filename: $!\n";
|
---|
| 965 | print CUEOUT "<tags>\n";
|
---|
| 966 | }
|
---|
| 967 | elsif ($element eq "trans") {
|
---|
| 968 | my $trans_type = $attr{'type'};
|
---|
| 969 | my $pre_frame_num = $attr{'preFNum'};
|
---|
| 970 | my $post_frame_num = $attr{'postFNum'};
|
---|
| 971 |
|
---|
| 972 | my $avg_frame_num = int(($pre_frame_num+$post_frame_num)/2.0)+1;
|
---|
| 973 |
|
---|
[18556] | 974 | my $output_dir = $self->{'cached_dir'};
|
---|
| 975 | my $ivideo_root = $self->{'cached_file_root'};
|
---|
[18425] | 976 |
|
---|
| 977 | my $keyframe_index = $self->{'keyframe_index'};
|
---|
| 978 |
|
---|
| 979 | my $fps = $self->{'video-fps'};
|
---|
| 980 |
|
---|
| 981 | if ($keyframe_index==0)
|
---|
| 982 | {
|
---|
| 983 | # hive actually generates one extra keyframe at the start,
|
---|
| 984 | # which is half way between frame 0 and the frist pre_frame
|
---|
| 985 |
|
---|
| 986 | my $thumb_file = sprintf("%s_%04d.jpg",$ivideo_root,$keyframe_index);
|
---|
| 987 | my $thumb_filename = &util::filename_cat($output_dir,$thumb_file);
|
---|
| 988 | push(@{$self->{'keyframe_fnames'}},$thumb_file);
|
---|
| 989 |
|
---|
| 990 | my $half_frame_num = $pre_frame_num/2.0;
|
---|
| 991 | my $time_msec = ($half_frame_num / $fps) * 1000;
|
---|
| 992 |
|
---|
| 993 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
| 994 | # print CUEOUT " <name>Keyframe $keyframe_index</name>\n";
|
---|
| 995 | # print CUEOUT " <timestamp>$time_msec</timestamp>\n";
|
---|
| 996 | # print CUEOUT " <parameters>\n";
|
---|
| 997 | # print CUEOUT " <thumb>$thumb_file</thumb>\n";
|
---|
| 998 | # print CUEOUT " </parameters>\n";
|
---|
| 999 | # print CUEOUT " <type>navigation</type>\n";
|
---|
| 1000 | # print CUEOUT " </metatag>\n";
|
---|
| 1001 |
|
---|
| 1002 |
|
---|
| 1003 | my $timeline_rec = { 'name'=> "Keyframe $keyframe_index",
|
---|
| 1004 | 'keyframeindex' => $keyframe_index,
|
---|
| 1005 | 'timestamp' => $time_msec,
|
---|
[21335] | 1006 | 'thumb' => $thumb_file,
|
---|
| 1007 | 'keyframenum' => $keyframe_index};
|
---|
[18425] | 1008 |
|
---|
| 1009 | $self->{'keyframe_timeline'}->{$half_frame_num}=$timeline_rec;
|
---|
| 1010 | }
|
---|
| 1011 |
|
---|
| 1012 | $keyframe_index++;
|
---|
| 1013 |
|
---|
| 1014 | my $thumb_file = sprintf("%s_%04d.jpg",$ivideo_root,$keyframe_index);
|
---|
| 1015 | my $thumb_filename = &util::filename_cat($output_dir,$thumb_file);
|
---|
| 1016 | push(@{$self->{'keyframe_fnames'}},$thumb_file);
|
---|
| 1017 |
|
---|
| 1018 | my $time_msec = (($avg_frame_num) / $fps) * 1000;
|
---|
| 1019 | my $time_sec = (($avg_frame_num)/ $fps);
|
---|
| 1020 |
|
---|
| 1021 | # print CUEOUT " <metatag event=\"onCuePoint\" overwrite=\"true\">\n";
|
---|
| 1022 | # print CUEOUT " <name>Keyframe $keyframe_index</name>\n";
|
---|
| 1023 | # print CUEOUT " <timestamp>$time_msec</timestamp>\n";
|
---|
| 1024 | # print CUEOUT " <parameters>\n";
|
---|
| 1025 | # print CUEOUT " <thumb>$thumb_file</thumb>\n";
|
---|
| 1026 | # print CUEOUT " </parameters>\n";
|
---|
| 1027 | # print CUEOUT " <type>navigation</type>\n";
|
---|
| 1028 | # print CUEOUT " </metatag>\n";
|
---|
| 1029 |
|
---|
| 1030 |
|
---|
| 1031 | my $timeline_rec = { 'name'=> "Keyframe $keyframe_index",
|
---|
| 1032 | 'keyframeindex' => $keyframe_index,
|
---|
| 1033 | 'timestamp' => $time_msec,
|
---|
[21335] | 1034 | 'thumb' => $thumb_file,
|
---|
| 1035 | 'keyframenum' => $keyframe_index};
|
---|
[18425] | 1036 |
|
---|
| 1037 | $self->{'keyframe_timeline'}->{$avg_frame_num}=$timeline_rec;
|
---|
| 1038 |
|
---|
| 1039 | # $self->{'flowplayer_thumblist'} .= "\\{ thumbNail: '$thumb_file', time: $time_sec \\},";
|
---|
| 1040 |
|
---|
| 1041 | $self->{'keyframe_index'} = $keyframe_index;
|
---|
| 1042 | }
|
---|
| 1043 | }
|
---|
| 1044 |
|
---|
[18556] | 1045 | sub xml_end_tag {
|
---|
| 1046 | my $self = shift(@_);
|
---|
[18425] | 1047 | my ($expat, $element) = @_;
|
---|
| 1048 |
|
---|
[25518] | 1049 | ## print STDERR "*** element = $element\n";
|
---|
| 1050 |
|
---|
[18425] | 1051 | if ($element eq "seg") {
|
---|
| 1052 |
|
---|
[25516] | 1053 | $self->output_distributed_keyframes($self->{'keyframe_timeline'},$self->{'ffkeyframe_num_shots'});
|
---|
[18425] | 1054 |
|
---|
| 1055 | print CUEOUT "</tags>\n";
|
---|
| 1056 | close(CUEOUT);
|
---|
| 1057 |
|
---|
| 1058 | #$self->{'flowplayer_thumblist'} .= "\\]";
|
---|
| 1059 | }
|
---|
| 1060 | }
|
---|
| 1061 |
|
---|
| 1062 |
|
---|
[18556] | 1063 |
|
---|
| 1064 |
|
---|
| 1065 |
|
---|
| 1066 | # Called just before start or end tags with accumulated non-markup text in
|
---|
| 1067 | # the $_ variable.
|
---|
| 1068 | sub xml_text {
|
---|
| 1069 | my $self = shift(@_);
|
---|
| 1070 | my ($expat) = @_;
|
---|
[18425] | 1071 | }
|
---|
| 1072 |
|
---|
[18556] | 1073 | # Called for processing instructions. The $_ variable will contain a copy
|
---|
| 1074 | # of the pi.
|
---|
| 1075 | sub xml_pi {
|
---|
| 1076 | my $self = shift(@_);
|
---|
| 1077 | my ($expat, $target, $data) = @_;
|
---|
[18425] | 1078 | }
|
---|
| 1079 |
|
---|
[18556] | 1080 | # Called at the end of the XML document.
|
---|
| 1081 | sub xml_end_document {
|
---|
| 1082 | my $self = shift(@_);
|
---|
| 1083 | my ($expat) = @_;
|
---|
| 1084 |
|
---|
[19785] | 1085 | # ****
|
---|
| 1086 | # $self->close_document();
|
---|
[18556] | 1087 | }
|
---|
| 1088 |
|
---|
| 1089 |
|
---|
| 1090 | # Called for any characters not handled by the above functions.
|
---|
| 1091 | sub xml_default {
|
---|
| 1092 | my $self = shift(@_);
|
---|
| 1093 | my ($expat, $text) = @_;
|
---|
| 1094 | }
|
---|
| 1095 |
|
---|
| 1096 |
|
---|
[18425] | 1097 | 1;
|
---|
| 1098 |
|
---|
| 1099 |
|
---|
| 1100 |
|
---|
| 1101 |
|
---|
| 1102 |
|
---|
| 1103 |
|
---|
| 1104 |
|
---|
| 1105 |
|
---|
| 1106 |
|
---|
| 1107 |
|
---|
| 1108 |
|
---|