[25780] | 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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[27527] | 35 | use FileUtils;
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[25780] | 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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[25842] | 78 | 'deft' => "true",
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| 79 | 'reqd' => "no" },
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[25780] | 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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[25842] | 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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[26948] | 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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[25780] | 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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[25842] | 135 | print STDERR "[A:" . time() . "] SimpleVideoPlugin processing: " . $file . "\n";
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| 136 |
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| 137 | # - I have to add some text (yay, back to needing dummy text) otherwise the
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| 138 | # DocumentText formatting is ignored (?!?)
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[25780] | 139 | my $topsection = $doc_obj->get_top_section();
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[25842] | 140 | $doc_obj->add_utf8_text($topsection, "This is dummy text");
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[25780] | 141 |
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[25842] | 142 |
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[26948] | 143 | $file =~ /[\/]?([^\/]+)\.(?:ts)$/;
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[25780] | 144 | my $filename = $1;
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| 145 |
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[25842] | 146 | # Optional date metadata (available on raw ReplayMe recordings)
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| 147 | if ($filename =~ /(\d\d\d\d)-(\d\d)-(\d\d)/)
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| 148 | {
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| 149 | my $date = $1 . $2 . $3;
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| 150 | $filename =~ s/[^a-z0-9]+/_/ig;
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| 151 | $filename =~ s/^_+|_+$//g;
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| 152 | $doc_obj->add_utf8_metadata($topsection,"Date",$date);
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| 153 | }
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| 154 |
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[26948] | 155 | # Special Case: HDFS *only* supported by separateIO flag (you need to move
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| 156 | # the file out of HDFS to local filespace to allow MediaInfo and Handbrake
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| 157 | # to be run on it.
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| 158 | my $separate_io = $self->{'separateIO'};
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[27527] | 159 | if (&FileUtils::isHDFS($file))
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[26948] | 160 | {
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| 161 | $separate_io = 'true';
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| 162 | }
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| 163 |
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[25842] | 164 | my $process_dir = $ENV{'GSDLCOLLECTDIR'};
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| 165 | # If we are in a cluster, then we don't want to be writing all the logs
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| 166 | # etc to the shared file system. Instead, we write to the tmp drive
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[26948] | 167 | if ($separate_io eq 'true')
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[25842] | 168 | {
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[27527] | 169 | $process_dir = &FileUtils::filenameConcatenate('/tmp', 'gsimport-' . $filename);
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| 170 | if (!&FileUtils::directoryExists($process_dir))
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[25842] | 171 | {
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| 172 | mkdir($process_dir, 0775);
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| 173 | }
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| 174 | }
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[27527] | 175 | my $logs_dir = &FileUtils::filenameConcatenate($process_dir, "logs");
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| 176 | if (!&FileUtils::directoryExists($logs_dir))
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[25780] | 177 | {
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| 178 | mkdir($logs_dir, 0775);
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| 179 | }
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[27527] | 180 | my $convert_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '.log');
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| 181 | my $pass_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '-pass');
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| 182 | my $tmp_dir = &FileUtils::filenameConcatenate($process_dir, "cached");
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| 183 | if (!&FileUtils::directoryExists($tmp_dir))
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[25780] | 184 | {
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| 185 | mkdir($tmp_dir, 0775);
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| 186 | }
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[27527] | 187 | $tmp_dir = &FileUtils::filenameConcatenate($tmp_dir, $filename);
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| 188 | if (!&FileUtils::directoryExists($tmp_dir))
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[25780] | 189 | {
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| 190 | mkdir($tmp_dir, 0775);
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| 191 | }
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| 192 |
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[25842] | 193 | # If we are separating IO, then we also start by copying the file to
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| 194 | # the process directory (local tmp) as well
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[27527] | 195 | my $ivideo_path = $file;
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| 196 | if (!&FileUtils::isFilenameAbsolute($file) && $base_dir ne '')
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| 197 | {
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| 198 | $ivideo_path = &FileUtils::filenameConcatenate($base_dir, $file);
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| 199 | }
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[26948] | 200 | if ($separate_io eq 'true')
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[25842] | 201 | {
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[27527] | 202 | print STDERR "[B1:" . time() . "] Creating local copy of file: " . $ivideo_path . "\n";
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| 203 | my $local_ivideo_path = &FileUtils::filenameConcatenate($process_dir, $filename . ".ts");
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| 204 | &FileUtils::copyFiles($ivideo_path, $local_ivideo_path);
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[25842] | 205 | $ivideo_path = $local_ivideo_path;
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| 206 | print STDERR "[B2:" . time() . "] Complete\n";
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| 207 | }
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| 208 |
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[25780] | 209 | # 1. Use MediaInfo to extract important metadata
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[25842] | 210 | print STDERR "[C1:" . time() . "] Extracting metadata\n";
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[25780] | 211 | print " - Extracting metadata using MediaInfo\n";
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| 212 | my $mi_metadata = $self->getMetadata($ivideo_path);
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| 213 | $doc_obj->add_utf8_metadata($topsection,"Format", 'multimedia (' . $mi_metadata->{'General'}->{'Format'} . ')');
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| 214 | $doc_obj->set_metadata_element($topsection,"FileSize",$mi_metadata->{'General'}->{'File_size'});
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| 215 | $doc_obj->add_utf8_metadata($topsection,"Duration",$mi_metadata->{'General'}->{'Duration'});
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| 216 | if (defined $mi_metadata->{'Video'}->{'Format_Info'} && defined $mi_metadata->{'Video'}->{'Format'})
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| 217 | {
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[25842] | 218 | $doc_obj->add_utf8_metadata($topsection,"VideoFormat",$mi_metadata->{'Video'}->{'Format_Info'} . ' (' . $mi_metadata->{'Video'}->{'Format'} . ')');
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[25780] | 219 | }
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| 220 | if (defined $mi_metadata->{'Audio'}->{'Format_Info'} && defined $mi_metadata->{'Audio'}->{'Format'})
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| 221 | {
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[25842] | 222 | $doc_obj->add_utf8_metadata($topsection,"AudioFormat",$mi_metadata->{'Audio'}->{'Format_Info'} . ' (' . $mi_metadata->{'Audio'}->{'Format'} . ')');
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[25780] | 223 | }
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| 224 | $doc_obj->add_utf8_metadata($topsection,"Width",$mi_metadata->{'Video'}->{'Width'});
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| 225 | $doc_obj->add_utf8_metadata($topsection,"Height",$mi_metadata->{'Video'}->{'Height'});
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[25842] | 226 | print STDERR "[C2:" . time() . "] Complete\n";
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[25780] | 227 |
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| 228 | # 2. Convert into FLV, reprocess to make seekable, and associate
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| 229 | # - generate a path for our temporary converted video file
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[25842] | 230 | print STDERR "[D1:" . time() . "] Converting video to streamble format\n";
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[27527] | 231 | my $ovideo_path = &FileUtils::filenameConcatenate($tmp_dir, 'gsv.mp4');
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| 232 | if (&FileUtils::fileExists($ovideo_path))
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[25780] | 233 | {
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| 234 | print " - Found existing converted video in cache\n";
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| 235 | }
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| 236 | else
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| 237 | {
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| 238 | # - first conversion pass
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| 239 | print " - Convert using Handbrake\n";
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| 240 | my $streaming_HQ_size = $self->{'streamingHQsize'};
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| 241 | my $streaming_HQ_VideoBitrate = $self->{'streamingHQVideoBitrate'};
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| 242 | my $streaming_HQ_AudioBitrate = $self->{'streamingHQAudioBitrate'};
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| 243 | my $deinterlace = $self->{'videoDeinterlacingFilter'};
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| 244 | my $video_processing_parameters;
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| 245 | if (!$streaming_HQ_size || $streaming_HQ_size eq "fullsize")
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| 246 | {
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| 247 | $video_processing_parameters = "--strict-anamorphic";
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| 248 | }
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| 249 | else
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| 250 | {
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| 251 | $video_processing_parameters = "-w $streaming_HQ_size --loose-anamorphic";
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| 252 | }
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| 253 | if ($deinterlace eq "true")
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| 254 | {
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| 255 | $video_processing_parameters .= " --decomb";
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| 256 | }
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| 257 | # Default MenCoder options for x264
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| 258 | my $mencoder_options = 'ref=2:bframes=2:subq=6:mixed-refs=0:weightb=0:8x8dct=0:trellis=0';
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| 259 | my $is_cluster = $self->{'isCluster'};
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| 260 | my $is_parallel = $self->{'isParallel'};
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| 261 | # If we are parallel processing on a single (presumably) multicore computer
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| 262 | # then we need to limit the number of threads (and hence CPUs) HandBrake
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| 263 | # will utilize in order to emulate true parallel processing (otherwise the
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| 264 | # first thread to get to HandBrake conversion will take up most the CPUs
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| 265 | # causing all other threads to wait anyway). It will interesting to test
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| 266 | # whether parallel processing or serial processing (with HandBrake parallel
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[26948] | 267 | # processing) is faster. *update* threads=1 *only* controls the encoding and
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| 268 | # several other parts of Handbrake can run parallel (demuxing etc). I've
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| 269 | # had to include a 'taskset' command to truely make Handbrake serial
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| 270 | if ($is_parallel eq 'true' && $is_cluster eq 'false')
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[25780] | 271 | {
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[25842] | 272 | $mencoder_options .= ':threads=1';
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[25780] | 273 | }
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[26948] | 274 | # Banish HandbrakeCLI to the (fixedCore-1)'th CPU if necessary
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| 275 | my $cmd = '';
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| 276 | if (defined $self->{'fixedCore'} && $self->{'fixedCore'} > 0)
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| 277 | {
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| 278 | $cmd .= 'taskset -c ' . ($self->{'fixedCore'} - 1) . ' ';
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| 279 | }
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| 280 | $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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[27426] | 281 | my $attempt_count = 0;
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| 282 | do
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| 283 | {
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| 284 | $attempt_count++;
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| 285 | print "[DEBUG: Video conversion attempt #" . $attempt_count . ": |" . $cmd . "|]\n";
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| 286 | `$cmd`;
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| 287 | }
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[27527] | 288 | while ($attempt_count < 5 && !&FileUtils::fileExists($ovideo_path))
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[25780] | 289 | }
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[27527] | 290 | if (!&FileUtils::fileExists($ovideo_path))
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[25780] | 291 | {
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| 292 | die("Fatal Error! Failed to convert video: " . $ovideo_path . "\nReason:" . $! . "\n");
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| 293 | }
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[25842] | 294 | print STDERR "[D2:" . time() . "] Complete\n";
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[25780] | 295 |
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[25842] | 296 | # 3. Extract keyframes using hive
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| 297 | print STDERR "[E1:" . time() . "] Extract keyframes\n";
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[27527] | 298 | my $oshots_path = &FileUtils::filenameConcatenate($tmp_dir, 'shots.xml');
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| 299 | if (&FileUtils::fileExists($oshots_path))
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[25780] | 300 | {
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| 301 | print " - Found existing keyframe images in cache\n";
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| 302 | }
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| 303 | else
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| 304 | {
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| 305 | print " - Generating keyframe images using Hive2\n";
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| 306 | my $cmd = 'hive2_ffmpegsvn -o "' . $oshots_path . '" -k "' . $tmp_dir . '" "' . $ovideo_path . '" >> "' . $convert_log_path . '" 2>&1';
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| 307 | ###print "[cmd: " . $cmd . "]\n";
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| 308 | `$cmd`;
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| 309 | }
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[27527] | 310 | if (!&FileUtils::fileExists($oshots_path))
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[25780] | 311 | {
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| 312 | die("Fatal Error! Failed to extract keyframe images: " . $oshots_path . "\nReason:" . $! . "\n");
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| 313 | }
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[25842] | 314 | print STDERR "[E2:" . time() . "] Complete\n";
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| 315 |
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| 316 |
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| 317 | # 4. Associate files (copies back to shared space if IO separated)
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| 318 | print STDERR "[F1:" . time() . "] Associate derived files to doc_obj\n";
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| 319 | # - associate streamable video
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| 320 | $doc_obj->associate_file($ovideo_path,'gsv.mp4','video/mp4',$topsection);
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[25780] | 321 | # - associate all of the JPGs found in the temp directory
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| 322 | opendir(my $dh, $tmp_dir);
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| 323 | my @shots = readdir($dh);
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| 324 | closedir($dh);
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| 325 | my $thumbnail = 0;
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| 326 | foreach my $shot (sort @shots)
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| 327 | {
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[27527] | 328 | my $shot_path = &FileUtils::filenameConcatenate($tmp_dir, $shot);
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[25780] | 329 | if ($shot =~ /.jpg$/)
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| 330 | {
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| 331 | if (!$thumbnail)
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| 332 | {
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| 333 | $doc_obj->add_utf8_metadata($topsection,"Thumbnail",$shot);
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| 334 | $thumbnail = 1;
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| 335 | }
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| 336 | $doc_obj->add_utf8_metadata($topsection,"Keyframe",$shot);
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| 337 | $doc_obj->associate_file($shot_path,$shot,"image/jpeg",$topsection);
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| 338 | }
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| 339 | }
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[25842] | 340 | print STDERR "[F2:" . time() . "] Complete\n";
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[25780] | 341 |
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[25842] | 342 | # 5. Done! Cleanup.
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| 343 | print STDERR "[G:" . time() . "] SimpleVideoPlugin: Complete!\n";
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[25780] | 344 | return 1;
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| 345 | }
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| 346 |
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| 347 | sub getMetadata
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| 348 | {
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| 349 | my ($self, $ivideo_path) = @_;
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| 350 | my $cmd = 'mediainfo --Output=XML "' . $ivideo_path . '" 2>&1';
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[25842] | 351 | ###print "Cmd: " . $cmd . "\n";
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[25780] | 352 | my $metadata_xml = `$cmd`;
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| 353 | my @lines = split(/\r?\n/, $metadata_xml);
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| 354 | my $metadata = {'Unknown'=>{}};
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| 355 | my $metadata_type = 'Unknown';
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| 356 | foreach my $line (@lines)
|
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| 357 | {
|
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[25842] | 358 | if ($line =~ /<track type="(.+)">/)
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[25780] | 359 | {
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| 360 | $metadata_type = $1;
|
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| 361 | if (!defined $metadata->{$metadata_type})
|
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| 362 | {
|
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| 363 | $metadata->{$metadata_type} = {};
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| 364 | }
|
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| 365 | }
|
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| 366 | elsif ($line =~ /<([^>]+)>(.+)<\/[^>]+>/)
|
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| 367 | {
|
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| 368 | my $field = $1;
|
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| 369 | my $value = $2;
|
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| 370 | $metadata->{$metadata_type}->{$field} = $value;
|
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| 371 | }
|
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| 372 | }
|
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| 373 | return $metadata;
|
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| 374 | }
|
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| 375 |
|
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| 376 | 1;
|
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| 377 |
|
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| 378 |
|
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| 379 |
|
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| 380 |
|
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| 381 |
|
---|
| 382 |
|
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| 383 |
|
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| 384 |
|
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| 385 |
|
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| 386 |
|
---|
| 387 |
|
---|