| 1 | ###########################################################################
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| 2 | #
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| 3 | # SimpleVideoPlugin.pm -- Plugin for multimedia with some simple video
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| 4 | # processing
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| 5 | #
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| 6 | # A component of the Greenstone digital library software from the New
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| 7 | # Zealand Digital Library Project at the University of Waikato, New
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| 8 | # Zealand.
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| 9 | #
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| 10 | # Copyright (C) 2012 New Zealand Digital Library Project
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| 11 | #
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| 12 | # This program is free software; you can redistribute it and/or modify
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| 13 | # it under the terms of the GNU General Public License as published by
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| 14 | # the Free Software Foundation; either version 2 of the License, or
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| 15 | # (at your option) any later version.
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| 16 | #
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| 17 | # This program is distributed in the hope that it will be useful, but
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| 18 | # WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | # General Public License for more details.
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| 21 | #
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| 22 | # You should have received a copy of the GNU General Public License
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| 23 | # along with this program; if not, write to the Free Software
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| 24 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | #
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| 26 | ###########################################################################
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| 27 |
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| 28 | package SimpleVideoPlugin;
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| 29 |
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| 30 | use File::Temp qw/ tempdir /;
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| 31 |
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| 32 | use BasePlugin;
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| 33 | use MetadataRead;
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| 34 | use util;
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| 35 | use FileUtils;
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| 36 |
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| 37 | use strict;
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| 38 | use warnings;
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| 39 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 40 |
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| 41 | sub BEGIN
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| 42 | {
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| 43 | @SimpleVideoPlugin::ISA = ('MetadataRead', 'BasePlugin');
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| 44 | }
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| 45 |
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| 46 | my $arguments = [ { 'name' => "process_exp",
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| 47 | 'desc' => "{BasePlugin.process_exp}",
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| 48 | 'type' => "regexp",
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| 49 | 'reqd' => "no",
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| 50 | 'deft' => &get_default_process_exp() },
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| 51 | { 'name' => "streamingHQsize",
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| 52 | 'desc' => "{VideoPlugin.streamingsize}",
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| 53 | 'type' => "int",
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| 54 | 'deft' => "720",
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| 55 | 'reqd' => "no" },
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| 56 | { 'name' => "streamingHQVideoBitrate",
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| 57 | 'desc' => "{VideoPlugin.streamingbitrate}",
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| 58 | 'type' => "int",
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| 59 | 'deft' => "496",
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| 60 | 'reqd' => "no" },
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| 61 | { 'name' => "streamingHQAudioBitrate",
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| 62 | 'desc' => "{VideoPlugin.streamingbitrate}",
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| 63 | 'type' => "int",
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| 64 | 'deft' => "80",
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| 65 | 'reqd' => "no" },
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| 66 | { 'name' => "videoDeinterlacingFilter",
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| 67 | 'desc' => "Activate a deinterlacing filter to increase the quality of TV footage",
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| 68 | 'type' => "enum",
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| 69 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 70 | {'name' => "false", 'desc' => "{common.false}"}],
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| 71 | 'deft' => "false",
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| 72 | 'reqd' => "no" },
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| 73 | { 'name' => "isParallel",
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| 74 | 'desc' => "Will the import use parallel processing? (maybe this should be set by parallel-import.pl somehow)",
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| 75 | 'type' => "enum",
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| 76 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 77 | {'name' => "false", 'desc' => "{common.false}"}],
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| 78 | 'deft' => "true",
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| 79 | 'reqd' => "no" },
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| 80 | { 'name' => "isCluster",
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| 81 | 'desc' => "Will the import be run on a cluster (multiple computers) or not (single computer - possibly multiple processors)",
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| 82 | 'type' => "enum",
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| 83 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 84 | {'name' => "false", 'desc' => "{common.false}"}],
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| 85 | 'deft' => "false",
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| 86 | 'reqd' => "no" },
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| 87 | { 'name' => "separateIO",
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| 88 | 'desc' => "copy and process the file locally (good for segregating IO cost)",
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| 89 | 'type' => "enum",
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| 90 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 91 | {'name' => "false", 'desc' => "{common.false}"}],
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| 92 | 'deft' => "false",
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| 93 | 'reqd' => "no" },
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| 94 | { 'name' => "fixedCore",
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| 95 | 'desc' => "Restrict the execution of Handbrake to a single core (0 = no restriction, > 0 use value-1'th core)",
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| 96 | 'type' => "int",
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| 97 | 'deft' => "0",
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| 98 | 'reqd' => "no" },
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| 99 | ];
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| 100 |
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| 101 | my $options = { 'name' => "BasicVideoPlugin",
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| 102 | 'desc' => "",
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| 103 | 'abstract' => "no",
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| 104 | 'inherits' => "yes",
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| 105 | 'args' => $arguments };
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| 106 |
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| 107 | sub new
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| 108 | {
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| 109 | my ($class) = shift (@_);
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| 110 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 111 | push(@$pluginlist, $class);
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| 112 |
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| 113 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 114 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 115 | my $self = new BasePlugin($pluginlist, $inputargs, $hashArgOptLists);
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| 116 | return bless $self, $class;
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| 117 | }
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| 118 |
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| 119 | sub get_default_process_exp
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| 120 | {
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| 121 | return '(?i)\.ts$';
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| 122 | }
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| 123 |
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| 124 | sub get_oid_hash_type
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| 125 | {
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| 126 | my $self = shift (@_);
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| 127 | return "hash_on_ga_xml";
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| 128 | }
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| 129 |
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| 130 | sub process
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| 131 | {
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| 132 | my $self = shift (@_);
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| 133 | my ($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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| 134 |
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| 135 | if (!&FileUtils::isFilenameAbsolute($file) && $base_dir ne '')
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| 136 | {
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| 137 | $file = &FileUtils::filenameConcatenate($base_dir, $file);
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| 138 | }
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| 139 |
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| 140 | print STDERR " * SimpleVideoPlugin processing: " . $file . "\n";
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| 141 |
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| 142 | # - I have to add some text (yay, back to needing dummy text) otherwise the
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| 143 | # DocumentText formatting is ignored (?!?)
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| 144 | my $topsection = $doc_obj->get_top_section();
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| 145 | $doc_obj->add_utf8_text($topsection, "This is dummy text");
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| 146 |
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| 147 |
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| 148 | $file =~ /[\/]?([^\/]+)\.(?:ts)$/;
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| 149 | my $filename = $1;
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| 150 |
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| 151 | # Optional date metadata (available on raw ReplayMe recordings)
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| 152 | if ($filename =~ /(\d\d\d\d)-(\d\d)-(\d\d)/)
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| 153 | {
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| 154 | my $date = $1 . $2 . $3;
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| 155 | $filename =~ s/[^a-z0-9]+/_/ig;
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| 156 | $filename =~ s/^_+|_+$//g;
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| 157 | $doc_obj->add_utf8_metadata($topsection,"Date",$date);
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| 158 | }
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| 159 |
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| 160 | # Special Case: HDFS *only* supported by separateIO flag (you need to move
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| 161 | # the file out of HDFS to local filespace to allow MediaInfo and Handbrake
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| 162 | # to be run on it.
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| 163 | my $separate_io = $self->{'separateIO'};
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| 164 | if (&FileUtils::isHDFS($file))
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| 165 | {
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| 166 | $separate_io = 'true';
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| 167 | }
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| 168 | ###rint STDERR "[DEBUG] separate_io:" . $separate_io . "\n";
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| 169 |
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| 170 | my $process_dir = $ENV{'GSDLCOLLECTDIR'};
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| 171 | # If we are in a cluster, then we don't want to be writing all the logs
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| 172 | # etc to the shared file system. Instead, we write to the tmp drive
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| 173 | if ($separate_io eq 'true')
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| 174 | {
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| 175 | $process_dir = &FileUtils::filenameConcatenate('/tmp', 'gsimport-' . $filename);
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| 176 | if (!&FileUtils::directoryExists($process_dir))
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| 177 | {
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| 178 | mkdir($process_dir, 0775);
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| 179 | }
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| 180 | }
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| 181 | my $logs_dir = &FileUtils::filenameConcatenate($process_dir, "logs");
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| 182 | if (!&FileUtils::directoryExists($logs_dir))
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| 183 | {
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| 184 | mkdir($logs_dir, 0775);
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| 185 | }
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| 186 | my $convert_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '.log');
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| 187 | my $pass_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '-pass');
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| 188 | my $tmp_dir = &FileUtils::filenameConcatenate($process_dir, "cached");
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| 189 | if (!&FileUtils::directoryExists($tmp_dir))
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| 190 | {
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| 191 | mkdir($tmp_dir, 0775);
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| 192 | }
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| 193 | $tmp_dir = &FileUtils::filenameConcatenate($tmp_dir, $filename);
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| 194 | if (!&FileUtils::directoryExists($tmp_dir))
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| 195 | {
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| 196 | mkdir($tmp_dir, 0775);
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| 197 | }
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| 198 |
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| 199 | # If we are separating IO, then we also start by copying the file to
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| 200 | # the process directory (local tmp) as well
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| 201 | my $ivideo_path = $file;
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| 202 | if (!&FileUtils::isFilenameAbsolute($file) && $base_dir ne '')
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| 203 | {
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| 204 | $ivideo_path = &FileUtils::filenameConcatenate($base_dir, $file);
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| 205 | }
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| 206 | if ($separate_io eq 'true')
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| 207 | {
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| 208 | my $io_start = time();
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| 209 | print " - creating local copy of file: " . $ivideo_path . " [IOS:" . time() . "]\n";
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| 210 | my $local_ivideo_path = &FileUtils::filenameConcatenate($process_dir, $filename . ".ts");
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| 211 | &FileUtils::copyFiles($ivideo_path, $local_ivideo_path);
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| 212 | my $remote_size = &FileUtils::fileSize($ivideo_path);
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| 213 | my $local_size = &FileUtils::fileSize($local_ivideo_path);
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| 214 | if ($remote_size != $local_size)
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| 215 | {
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| 216 | die('Error! File copied is not of same size as original: ' . $remote_size . 'b != ' . $local_size . "b\n");
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| 217 | }
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| 218 | elsif (&FileUtils::fileExists($local_ivideo_path))
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| 219 | {
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| 220 | $ivideo_path = $local_ivideo_path;
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| 221 | print ' - copied! [IOE:' . time() . "]\n";
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| 222 | }
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| 223 | else
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| 224 | {
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| 225 | die('Error! Failed to copy file: ' . $ivideo_path . ' => ' . $local_ivideo_path . ' [IOE:' . time() . "]\n");
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| 226 | }
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| 227 | }
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| 228 |
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| 229 | # 1. Use MediaInfo to extract important metadata
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| 230 | print ' - Extracting metadata using MediaInfo...';
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| 231 | my $mi_metadata = $self->getMetadata($ivideo_path);
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| 232 | my $input_video_duration = &parseDurationAsSeconds($mi_metadata->{'General'}->{'Duration'});
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| 233 | $doc_obj->add_utf8_metadata($topsection,"Duration",$mi_metadata->{'General'}->{'Duration'});
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| 234 | $doc_obj->add_utf8_metadata($topsection,"Format", 'multimedia (' . $mi_metadata->{'General'}->{'Format'} . ')');
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| 235 | if (defined $mi_metadata->{'General'}->{'File_size'})
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| 236 | {
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| 237 | $doc_obj->set_metadata_element($topsection, "FileSize", $mi_metadata->{'General'}->{'File_size'});
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| 238 | }
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| 239 | else
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| 240 | {
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| 241 | $doc_obj->set_metadata_element($topsection, "FileSize", &FileUtils::fileSize($ivideo_path));
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| 242 | }
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| 243 | if (defined $mi_metadata->{'Video'}->{'Format_Info'} && defined $mi_metadata->{'Video'}->{'Format'})
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| 244 | {
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| 245 | $doc_obj->add_utf8_metadata($topsection,"VideoFormat",$mi_metadata->{'Video'}->{'Format_Info'} . ' (' . $mi_metadata->{'Video'}->{'Format'} . ')');
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| 246 | }
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| 247 | if (defined $mi_metadata->{'Audio'}->{'Format_Info'} && defined $mi_metadata->{'Audio'}->{'Format'})
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| 248 | {
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| 249 | $doc_obj->add_utf8_metadata($topsection,"AudioFormat",$mi_metadata->{'Audio'}->{'Format_Info'} . ' (' . $mi_metadata->{'Audio'}->{'Format'} . ')');
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| 250 | }
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| 251 | $doc_obj->add_utf8_metadata($topsection,"Width",$mi_metadata->{'Video'}->{'Width'});
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| 252 | $doc_obj->add_utf8_metadata($topsection,"Height",$mi_metadata->{'Video'}->{'Height'});
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| 253 | print STDERR "Done!\n";
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| 254 |
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| 255 | # 2. Convert into FLV, reprocess to make seekable, and associate
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| 256 | # - generate a path for our temporary converted video file
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| 257 | print STDERR " - Converting video to streamble format...\n";
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| 258 | my $ovideo_path = &FileUtils::filenameConcatenate($tmp_dir, 'gsv.mp4');
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| 259 | if (&FileUtils::fileExists($ovideo_path))
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| 260 | {
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| 261 | print " - Found existing converted video in cache!\n";
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| 262 | }
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| 263 | else
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| 264 | {
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| 265 | # - first conversion pass
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| 266 | print " - Convert using Handbrake\n";
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| 267 | my $streaming_HQ_size = $self->{'streamingHQsize'};
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| 268 | my $streaming_HQ_VideoBitrate = $self->{'streamingHQVideoBitrate'};
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| 269 | my $streaming_HQ_AudioBitrate = $self->{'streamingHQAudioBitrate'};
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| 270 | my $deinterlace = $self->{'videoDeinterlacingFilter'};
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| 271 | my $video_processing_parameters;
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| 272 | if (!$streaming_HQ_size || $streaming_HQ_size eq "fullsize")
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| 273 | {
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| 274 | $video_processing_parameters = "--strict-anamorphic";
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| 275 | }
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| 276 | else
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| 277 | {
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| 278 | $video_processing_parameters = "-w $streaming_HQ_size --loose-anamorphic";
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| 279 | }
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| 280 | if ($deinterlace eq "true")
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| 281 | {
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| 282 | $video_processing_parameters .= " --decomb";
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| 283 | }
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| 284 | # Default MenCoder options for x264
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| 285 | my $mencoder_options = 'ref=2:bframes=2:subq=6:mixed-refs=0:weightb=0:8x8dct=0:trellis=0';
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| 286 | my $is_cluster = $self->{'isCluster'};
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| 287 | my $is_parallel = $self->{'isParallel'};
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| 288 | # If we are parallel processing on a single (presumably) multicore computer
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| 289 | # then we need to limit the number of threads (and hence CPUs) HandBrake
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| 290 | # will utilize in order to emulate true parallel processing (otherwise the
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| 291 | # first thread to get to HandBrake conversion will take up most the CPUs
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| 292 | # causing all other threads to wait anyway). It will interesting to test
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| 293 | # whether parallel processing or serial processing (with HandBrake parallel
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| 294 | # processing) is faster. *update* threads=1 *only* controls the encoding and
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| 295 | # several other parts of Handbrake can run parallel (demuxing etc). I've
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| 296 | # had to include a 'taskset' command to truely make Handbrake serial
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| 297 | if ($is_parallel eq 'true' && $is_cluster eq 'false')
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| 298 | {
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| 299 | $mencoder_options .= ':threads=1';
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| 300 | }
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| 301 | # Banish HandbrakeCLI to the (fixedCore-1)'th CPU if necessary
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| 302 | my $cmd = '';
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| 303 | if (defined $self->{'fixedCore'} && $self->{'fixedCore'} > 0)
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| 304 | {
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| 305 | $cmd .= 'taskset -c ' . ($self->{'fixedCore'} - 1) . ' ';
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| 306 | }
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| 307 | $cmd .= 'HandBrakeCLI -i "' . $ivideo_path . '" -t 1 -c 1 -f mp4 -O -o "' . $ovideo_path . '" ' . $video_processing_parameters . ' -e x264 -b ' . $streaming_HQ_VideoBitrate . ' -a 1 -E faac -6 dpl2 -R Auto -B ' . $streaming_HQ_AudioBitrate . ' -D 0.0 -x ' . $mencoder_options . ' > "' . $convert_log_path . '" 2>&1';
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| 308 | my $attempt_count = 0;
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| 309 | do
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| 310 | {
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| 311 | $attempt_count++;
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| 312 | ###rint "[DEBUG: Video conversion attempt #" . $attempt_count . ": |" . $cmd . "|]\n";
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| 313 | `$cmd`;
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| 314 | }
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| 315 | while ($attempt_count < 5 && !&FileUtils::fileExists($ovideo_path))
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| 316 | }
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| 317 | if (!&FileUtils::fileExists($ovideo_path))
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| 318 | {
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| 319 | die("Fatal Error! Failed to convert video: " . $ovideo_path . "\nReason:" . $! . "\n");
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| 320 | }
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| 321 | # Extra check - ensure the converted video is approximately the same duration
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| 322 | # as the input video, given or take around 5 seconds
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| 323 | my $output_raw_video_duration = &getDuration($ovideo_path);
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| 324 | my $output_video_duration = &parseDurationAsSeconds($output_raw_video_duration);
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| 325 | if (abs($input_video_duration - $output_video_duration) > 5)
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| 326 | {
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| 327 | print STDERR "!Warning! Output video does not have same duration as input video.\n";
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| 328 | }
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| 329 | print STDERR " - conversion done!\n";
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| 330 |
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| 331 | # 3. Extract keyframes using hive
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| 332 | print STDERR " - extract keyframes...\n";
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| 333 | my $oshots_path = &FileUtils::filenameConcatenate($tmp_dir, 'shots.xml');
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| 334 | if (&FileUtils::fileExists($oshots_path))
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| 335 | {
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| 336 | print " - found existing keyframe images in cache\n";
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| 337 | }
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| 338 | else
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| 339 | {
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| 340 | print " - generating keyframe images using Hive2\n";
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| 341 | my $cmd = 'hive2_ffmpegsvn -o "' . $oshots_path . '" -k "' . $tmp_dir . '" "' . $ovideo_path . '" >> "' . $convert_log_path . '" 2>&1';
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| 342 | ###print "[cmd: " . $cmd . "]\n";
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| 343 | `$cmd`;
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| 344 | }
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| 345 | if (!&FileUtils::fileExists($oshots_path))
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| 346 | {
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| 347 | die("Fatal Error! Failed to extract keyframe images: " . $oshots_path . "\nReason:" . $! . "\n");
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| 348 | }
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| 349 | print STDERR " - keyframes extracted!\n";
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| 350 |
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| 351 |
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| 352 | # 4. Associate files (copies back to shared space if IO separated)
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| 353 | print STDERR " - Associate derived files to doc_obj... ";
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| 354 | # - associate streamable video
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| 355 | $doc_obj->associate_file($ovideo_path,'gsv.mp4','video/mp4',$topsection);
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| 356 | # - associate all of the JPGs found in the temp directory
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| 357 | opendir(my $dh, $tmp_dir);
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| 358 | my @shots = readdir($dh);
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| 359 | closedir($dh);
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| 360 | my $thumbnail = 0;
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| 361 | foreach my $shot (sort @shots)
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| 362 | {
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| 363 | my $shot_path = &FileUtils::filenameConcatenate($tmp_dir, $shot);
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| 364 | if ($shot =~ /.jpg$/)
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| 365 | {
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| 366 | if (!$thumbnail)
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| 367 | {
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| 368 | $doc_obj->add_utf8_metadata($topsection,"Thumbnail",$shot);
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| 369 | $thumbnail = 1;
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| 370 | }
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| 371 | $doc_obj->add_utf8_metadata($topsection,"Keyframe",$shot);
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| 372 | $doc_obj->associate_file($shot_path,$shot,"image/jpeg",$topsection);
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| 373 | }
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| 374 | }
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| 375 | print STDERR "Done!\n";
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| 376 |
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| 377 | # 5. Done! Cleanup.
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| 378 | print STDERR "SimpleVideoPlugin: Complete! [IOS:" . time() . "]\n";
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| 379 | return 1;
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| 380 | }
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| 381 |
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| 382 |
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| 383 | ## @function getDuration()
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| 384 | #
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| 385 | sub getDuration
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| 386 | {
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| 387 | my ($video_path) = @_;
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| 388 | my $cmd = 'mediainfo --Inform="General;%Duration/String%" "' . $video_path . '" 2>&1';
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| 389 | my $duration = `$cmd`;
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| 390 | return $duration;
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| 391 | }
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| 392 | ## getDuration() ##
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| 393 |
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| 394 |
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| 395 | ## @function getMetadata()
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| 396 | #
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| 397 | sub getMetadata
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| 398 | {
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| 399 | my ($self, $ivideo_path) = @_;
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| 400 | my $cmd = 'mediainfo --Output=XML "' . $ivideo_path . '" 2>&1';
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| 401 | ###rint "[DEBUG] command: " . $cmd . "\n";
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| 402 | my $metadata_xml = `$cmd`;
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|---|
| 403 | ###rint "[DEBUG] result: " . $metadata_xml . "\n\n";
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|---|
| 404 | my @lines = split(/\r?\n/, $metadata_xml);
|
|---|
| 405 | my $metadata = {'Unknown'=>{}};
|
|---|
| 406 | my $metadata_type = 'Unknown';
|
|---|
| 407 | foreach my $line (@lines)
|
|---|
| 408 | {
|
|---|
| 409 | if ($line =~ /<track type="(.+)">/)
|
|---|
| 410 | {
|
|---|
| 411 | $metadata_type = $1;
|
|---|
| 412 | if (!defined $metadata->{$metadata_type})
|
|---|
| 413 | {
|
|---|
| 414 | $metadata->{$metadata_type} = {};
|
|---|
| 415 | }
|
|---|
| 416 | }
|
|---|
| 417 | elsif ($line =~ /<([^>]+)>(.+)<\/[^>]+>/)
|
|---|
| 418 | {
|
|---|
| 419 | my $field = $1;
|
|---|
| 420 | my $value = $2;
|
|---|
| 421 | $metadata->{$metadata_type}->{$field} = $value;
|
|---|
| 422 | }
|
|---|
| 423 | }
|
|---|
| 424 | return $metadata;
|
|---|
| 425 | }
|
|---|
| 426 | ## getMetadata() ##
|
|---|
| 427 |
|
|---|
| 428 |
|
|---|
| 429 | ## @function parseDurationAsSeconds()
|
|---|
| 430 | #
|
|---|
| 431 | sub parseDurationAsSeconds
|
|---|
| 432 | {
|
|---|
| 433 | my ($duration_str) = @_;
|
|---|
| 434 | my $seconds = 0;
|
|---|
| 435 | # h - hours
|
|---|
| 436 | if ($duration_str =~ /(\d+)h/)
|
|---|
| 437 | {
|
|---|
| 438 | $seconds += $1 * 60 * 60;
|
|---|
| 439 | }
|
|---|
| 440 | # mn - minutes
|
|---|
| 441 | if ($duration_str =~ /(\d+)mn/)
|
|---|
| 442 | {
|
|---|
| 443 | $seconds += $1 * 60;
|
|---|
| 444 | }
|
|---|
| 445 | # s - seconds
|
|---|
| 446 | if ($duration_str =~ /(\d+)s/)
|
|---|
| 447 | {
|
|---|
| 448 | $seconds += $1;
|
|---|
| 449 | }
|
|---|
| 450 | # ms - milliseconds (ignore - I'll be lucky to match to the closest second)
|
|---|
| 451 | return $seconds;
|
|---|
| 452 | }
|
|---|
| 453 | ## parseDurationAsSeconds() ##
|
|---|
| 454 |
|
|---|
| 455 | 1;
|
|---|
| 456 |
|
|---|
| 457 |
|
|---|
| 458 |
|
|---|
| 459 |
|
|---|
| 460 |
|
|---|
| 461 |
|
|---|
| 462 |
|
|---|
| 463 |
|
|---|
| 464 |
|
|---|
| 465 |
|
|---|
| 466 |
|
|---|
