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 | { 'name' => "no_keyframes",
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100 | 'desc' => "Disable keyframe extraction",
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101 | 'type' => "flag",
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102 | 'reqd' => "no" },
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103 | ];
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104 |
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105 | my $options = { 'name' => "BasicVideoPlugin",
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106 | 'desc' => "",
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107 | 'abstract' => "no",
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108 | 'inherits' => "yes",
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109 | 'args' => $arguments };
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110 |
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111 | sub new
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112 | {
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113 | my ($class) = shift (@_);
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114 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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115 | push(@$pluginlist, $class);
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116 |
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117 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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118 | push(@{$hashArgOptLists->{"OptList"}},$options);
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119 | my $self = new BasePlugin($pluginlist, $inputargs, $hashArgOptLists);
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120 | return bless $self, $class;
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121 | }
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122 |
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123 | sub get_default_process_exp
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124 | {
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125 | return '(?i)\.ts$';
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126 | }
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127 |
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128 | sub get_oid_hash_type
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129 | {
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130 | my $self = shift (@_);
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131 | return "hash_on_ga_xml";
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132 | }
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133 |
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134 | sub process
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135 | {
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136 | my $self = shift (@_);
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137 | my ($pluginfo, $base_dir, $file, $metadata, $doc_obj, $gli) = @_;
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138 |
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139 | if (!&FileUtils::isFilenameAbsolute($file) && $base_dir ne '')
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140 | {
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141 | $file = &FileUtils::filenameConcatenate($base_dir, $file);
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142 | }
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143 |
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144 | print STDERR " * SimpleVideoPlugin processing: " . $file . "\n";
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145 |
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146 | # - I have to add some text (yay, back to needing dummy text) otherwise the
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147 | # DocumentText formatting is ignored (?!?)
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148 | my $topsection = $doc_obj->get_top_section();
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149 | $doc_obj->add_utf8_text($topsection, "This is dummy text");
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150 |
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151 |
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152 | $file =~ /[\/]?([^\/]+)\.(?:ts)$/;
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153 | my $filename = $1;
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154 |
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155 | # Optional date metadata (available on raw ReplayMe recordings)
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156 | if ($filename =~ /(\d\d\d\d)-(\d\d)-(\d\d)/)
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157 | {
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158 | my $date = $1 . $2 . $3;
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159 | $filename =~ s/[^a-z0-9]+/_/ig;
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160 | $filename =~ s/^_+|_+$//g;
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161 | $doc_obj->add_utf8_metadata($topsection,"Date",$date);
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162 | }
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163 |
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164 | # Special Case: HDFS *only* supported by separateIO flag (you need to move
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165 | # the file out of HDFS to local filespace to allow MediaInfo and Handbrake
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166 | # to be run on it.
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167 | my $separate_io = $self->{'separateIO'};
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168 | if (&FileUtils::isHDFS($file))
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169 | {
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170 | $separate_io = 'true';
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171 | }
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172 | ###rint STDERR "[DEBUG] separate_io:" . $separate_io . "\n";
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173 |
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174 | my $process_dir = $ENV{'GSDLCOLLECTDIR'};
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175 | # If we are in a cluster, then we don't want to be writing all the logs
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176 | # etc to the shared file system. Instead, we write to the tmp drive
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177 | if ($separate_io eq 'true')
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178 | {
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179 | $process_dir = &FileUtils::filenameConcatenate('/tmp', 'gsimport-' . $filename);
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180 | if (!&FileUtils::directoryExists($process_dir))
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181 | {
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182 | mkdir($process_dir, 0775);
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183 | }
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184 | }
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185 | my $logs_dir = &FileUtils::filenameConcatenate($process_dir, "logs");
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186 | if (!&FileUtils::directoryExists($logs_dir))
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187 | {
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188 | mkdir($logs_dir, 0775);
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189 | }
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190 | my $convert_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '.log');
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191 | my $pass_log_path = &FileUtils::filenameConcatenate($logs_dir, 'convert-' . $filename . '-pass');
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192 | my $tmp_dir = &FileUtils::filenameConcatenate($process_dir, "cached");
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193 | if (!&FileUtils::directoryExists($tmp_dir))
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194 | {
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195 | mkdir($tmp_dir, 0775);
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196 | }
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197 | $tmp_dir = &FileUtils::filenameConcatenate($tmp_dir, $filename);
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198 | if (!&FileUtils::directoryExists($tmp_dir))
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199 | {
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200 | mkdir($tmp_dir, 0775);
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201 | }
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202 |
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203 | # If we are separating IO, then we also start by copying the file to
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204 | # the process directory (local tmp) as well
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205 | my $ivideo_path = $file;
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206 | if (!&FileUtils::isFilenameAbsolute($file) && $base_dir ne '')
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207 | {
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208 | $ivideo_path = &FileUtils::filenameConcatenate($base_dir, $file);
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209 | }
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210 | if ($separate_io eq 'true')
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211 | {
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212 | my $io_start = time();
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213 | print " - creating local copy of file: " . $ivideo_path . " [IOS:" . time() . "]\n";
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214 | my $local_ivideo_path = &FileUtils::filenameConcatenate($process_dir, $filename . ".ts");
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215 | &FileUtils::copyFiles($ivideo_path, $local_ivideo_path);
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216 | my $remote_size = &FileUtils::fileSize($ivideo_path);
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217 | my $local_size = &FileUtils::fileSize($local_ivideo_path);
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218 | if ($remote_size != $local_size)
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219 | {
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220 | die('Error! File copied is not of same size as original: ' . $remote_size . 'b != ' . $local_size . "b\n");
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221 | }
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222 | elsif (&FileUtils::fileExists($local_ivideo_path))
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223 | {
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224 | $ivideo_path = $local_ivideo_path;
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225 | print ' - copied! [IOE:' . time() . "]\n";
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226 | }
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227 | else
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228 | {
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229 | die('Error! Failed to copy file: ' . $ivideo_path . ' => ' . $local_ivideo_path . ' [IOE:' . time() . "]\n");
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230 | }
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231 | }
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232 |
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233 | # 1. Use MediaInfo to extract important metadata
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234 | print ' - Extracting metadata using MediaInfo...';
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235 | my $mi_metadata = $self->getMetadata($ivideo_path);
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236 | my $input_video_duration = &parseDurationAsSeconds($mi_metadata->{'General'}->{'Duration'});
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237 | $doc_obj->add_utf8_metadata($topsection,"Duration",$mi_metadata->{'General'}->{'Duration'});
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238 | $doc_obj->add_utf8_metadata($topsection,"Format", 'multimedia (' . $mi_metadata->{'General'}->{'Format'} . ')');
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239 | if (defined $mi_metadata->{'General'}->{'File_size'})
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240 | {
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241 | $doc_obj->set_metadata_element($topsection, "FileSize", $mi_metadata->{'General'}->{'File_size'});
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242 | }
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243 | else
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244 | {
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245 | $doc_obj->set_metadata_element($topsection, "FileSize", &FileUtils::fileSize($ivideo_path));
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246 | }
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247 | if (defined $mi_metadata->{'Video'}->{'Format_Info'} && defined $mi_metadata->{'Video'}->{'Format'})
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248 | {
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249 | $doc_obj->add_utf8_metadata($topsection,"VideoFormat",$mi_metadata->{'Video'}->{'Format_Info'} . ' (' . $mi_metadata->{'Video'}->{'Format'} . ')');
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250 | }
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251 | if (defined $mi_metadata->{'Audio'}->{'Format_Info'} && defined $mi_metadata->{'Audio'}->{'Format'})
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252 | {
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253 | $doc_obj->add_utf8_metadata($topsection,"AudioFormat",$mi_metadata->{'Audio'}->{'Format_Info'} . ' (' . $mi_metadata->{'Audio'}->{'Format'} . ')');
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254 | }
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255 | $doc_obj->add_utf8_metadata($topsection,"Width",$mi_metadata->{'Video'}->{'Width'});
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256 | $doc_obj->add_utf8_metadata($topsection,"Height",$mi_metadata->{'Video'}->{'Height'});
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257 | print STDERR "Done!\n";
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258 |
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259 | # 2. Convert into FLV, reprocess to make seekable, and associate
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260 | # - generate a path for our temporary converted video file
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261 | my $ovideo_path = &FileUtils::filenameConcatenate($tmp_dir, 'gsv.mp4');
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262 | if ($self->{'streamingHQsize'} > 0)
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263 | {
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264 | print STDERR " - Converting video to streamble format...\n";
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265 | if (&FileUtils::fileExists($ovideo_path))
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266 | {
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267 | print " - Found existing converted video in cache!\n";
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268 | }
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269 | else
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270 | {
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271 | # - first conversion pass
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272 | print " - Convert using Handbrake\n";
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273 | my $streaming_HQ_size = $self->{'streamingHQsize'};
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274 | my $streaming_HQ_VideoBitrate = $self->{'streamingHQVideoBitrate'};
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275 | my $streaming_HQ_AudioBitrate = $self->{'streamingHQAudioBitrate'};
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276 | my $deinterlace = $self->{'videoDeinterlacingFilter'};
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277 | my $video_processing_parameters;
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278 | if (!$streaming_HQ_size || $streaming_HQ_size eq "fullsize")
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279 | {
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280 | $video_processing_parameters = "--strict-anamorphic";
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281 | }
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282 | else
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283 | {
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284 | $video_processing_parameters = "-w $streaming_HQ_size --loose-anamorphic";
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285 | }
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286 | if ($deinterlace eq "true")
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287 | {
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288 | $video_processing_parameters .= " --decomb";
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289 | }
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290 | # Default MenCoder options for x264
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291 | my $mencoder_options = 'ref=2:bframes=2:subq=6:mixed-refs=0:weightb=0:8x8dct=0:trellis=0';
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292 | my $is_cluster = $self->{'isCluster'};
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293 | my $is_parallel = $self->{'isParallel'};
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294 | # If we are parallel processing on a single (presumably) multicore computer
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295 | # then we need to limit the number of threads (and hence CPUs) HandBrake
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296 | # will utilize in order to emulate true parallel processing (otherwise the
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297 | # first thread to get to HandBrake conversion will take up most the CPUs
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298 | # causing all other threads to wait anyway). It will interesting to test
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299 | # whether parallel processing or serial processing (with HandBrake parallel
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300 | # processing) is faster. *update* threads=1 *only* controls the encoding and
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301 | # several other parts of Handbrake can run parallel (demuxing etc). I've
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302 | # had to include a 'taskset' command to truely make Handbrake serial
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303 | if ($is_parallel eq 'true' && $is_cluster eq 'false')
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304 | {
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305 | $mencoder_options .= ':threads=1';
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306 | }
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307 | # Banish HandbrakeCLI to the (fixedCore-1)'th CPU if necessary
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308 | my $cmd = '';
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309 | if (defined $self->{'fixedCore'} && $self->{'fixedCore'} > 0)
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310 | {
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311 | $cmd .= 'taskset -c ' . ($self->{'fixedCore'} - 1) . ' ';
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312 | }
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313 | $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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314 | my $attempt_count = 0;
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315 | do
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316 | {
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317 | $attempt_count++;
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318 | ###rint "[DEBUG: Video conversion attempt #" . $attempt_count . ": |" . $cmd . "|]\n";
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319 | `$cmd`;
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320 | }
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321 | while ($attempt_count < 5 && !&FileUtils::fileExists($ovideo_path))
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322 | }
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323 | if (!&FileUtils::fileExists($ovideo_path))
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324 | {
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325 | die("Fatal Error! Failed to convert video: " . $ovideo_path . "\nReason:" . $! . "\n");
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326 | }
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327 | # Extra check - ensure the converted video is approximately the same duration
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328 | # as the input video, given or take around 5 seconds
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329 | my $output_raw_video_duration = &getDuration($ovideo_path);
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330 | my $output_video_duration = &parseDurationAsSeconds($output_raw_video_duration);
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331 | if (abs($input_video_duration - $output_video_duration) > 5)
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332 | {
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333 | print STDERR "!Warning! Output video does not have same duration as input video.\n";
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334 | }
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335 | print STDERR " - conversion done!\n";
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336 | }
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337 | else
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338 | {
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339 | print " - skipping web-streamable conversion\n";
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340 | }
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341 |
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342 | # 3. Extract keyframes using hive
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343 | my $generate_keyframes = 1;
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344 | if (defined $self->{'no_keyframes'} && $self->{'no_keyframes'} == 1)
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345 | {
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346 | $generate_keyframes = 0;
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347 | print " - skipping keyframe generation\n";
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348 | }
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349 | else
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350 | {
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351 | print STDERR " - extract keyframes...\n";
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352 | $tmp_dir = '/tmp/ramdrive';
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353 | my $oshots_path = &FileUtils::filenameConcatenate($tmp_dir, 'shots.xml');
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354 | if (&FileUtils::fileExists($oshots_path))
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355 | {
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356 | print " - found existing keyframe images in cache\n";
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357 | }
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358 | else
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359 | {
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360 | print " - generating keyframe images using Hive2\n";
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361 | my $cmd = 'hive2_ffmpegsvn -o "' . $oshots_path . '" -k "' . $tmp_dir . '" "' . $ovideo_path . '" >> "' . $convert_log_path . '" 2>&1';
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362 | ###print "[cmd: " . $cmd . "]\n";
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363 | `$cmd`;
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364 | }
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365 | if (!&FileUtils::fileExists($oshots_path))
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366 | {
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367 | die("Fatal Error! Failed to extract keyframe images: " . $oshots_path . "\nReason:" . $! . "\n");
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368 | }
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369 | print STDERR " - keyframes extracted!\n";
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370 | }
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371 |
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372 | # 4. Associate files (copies back to shared space if IO separated)
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373 | print STDERR " - Associate derived files to doc_obj... ";
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374 | # - associate streamable video
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375 | if (-f $ovideo_path)
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376 | {
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377 | $doc_obj->associate_file($ovideo_path, 'gsv.mp4', 'video/mp4', $topsection);
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378 | }
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379 | else
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380 | {
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381 | $doc_obj->associate_file($ivideo_path, 'gsv.ts', 'video/ts', $topsection);
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382 | }
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383 | # - associate all of the JPGs found in the temp directory
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384 | if ($generate_keyframes)
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385 | {
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386 | opendir(my $dh, $tmp_dir);
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387 | my @shots = readdir($dh);
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388 | closedir($dh);
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389 | my $thumbnail = 0;
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390 | foreach my $shot (sort @shots)
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391 | {
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392 | my $shot_path = &FileUtils::filenameConcatenate($tmp_dir, $shot);
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393 | if ($shot =~ /.jpg$/)
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394 | {
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395 | if (!$thumbnail)
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396 | {
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397 | $doc_obj->add_utf8_metadata($topsection,"Thumbnail",$shot);
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398 | $thumbnail = 1;
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399 | }
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400 | $doc_obj->add_utf8_metadata($topsection,"Keyframe",$shot);
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401 | #$doc_obj->associate_file($shot_path,$shot,"image/jpeg",$topsection);
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402 | }
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403 | }
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404 | }
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405 | print STDERR "Done!\n";
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406 |
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407 | # 5. Done! Cleanup.
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408 | print STDERR "SimpleVideoPlugin: Complete! [IOS:" . time() . "]\n";
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409 | return 1;
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410 | }
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411 |
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412 |
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413 | ## @function getDuration()
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414 | #
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415 | sub getDuration
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416 | {
|
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417 | my ($video_path) = @_;
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418 | my $cmd = 'mediainfo --Inform="General;%Duration/String%" "' . $video_path . '" 2>&1';
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419 | my $duration = `$cmd`;
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420 | return $duration;
|
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421 | }
|
---|
422 | ## getDuration() ##
|
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423 |
|
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424 |
|
---|
425 | ## @function getMetadata()
|
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426 | #
|
---|
427 | sub getMetadata
|
---|
428 | {
|
---|
429 | my ($self, $ivideo_path) = @_;
|
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430 | my $cmd = 'mediainfo --Output=XML "' . $ivideo_path . '" 2>&1';
|
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431 | ###rint "[DEBUG] command: " . $cmd . "\n";
|
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432 | my $metadata_xml = `$cmd`;
|
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433 | ###rint "[DEBUG] result: " . $metadata_xml . "\n\n";
|
---|
434 | my @lines = split(/\r?\n/, $metadata_xml);
|
---|
435 | my $metadata = {'Unknown'=>{}};
|
---|
436 | my $metadata_type = 'Unknown';
|
---|
437 | foreach my $line (@lines)
|
---|
438 | {
|
---|
439 | if ($line =~ /<track type="(.+)">/)
|
---|
440 | {
|
---|
441 | $metadata_type = $1;
|
---|
442 | if (!defined $metadata->{$metadata_type})
|
---|
443 | {
|
---|
444 | $metadata->{$metadata_type} = {};
|
---|
445 | }
|
---|
446 | }
|
---|
447 | elsif ($line =~ /<([^>]+)>(.+)<\/[^>]+>/)
|
---|
448 | {
|
---|
449 | my $field = $1;
|
---|
450 | my $value = $2;
|
---|
451 | $metadata->{$metadata_type}->{$field} = $value;
|
---|
452 | }
|
---|
453 | }
|
---|
454 | return $metadata;
|
---|
455 | }
|
---|
456 | ## getMetadata() ##
|
---|
457 |
|
---|
458 |
|
---|
459 | ## @function parseDurationAsSeconds()
|
---|
460 | #
|
---|
461 | sub parseDurationAsSeconds
|
---|
462 | {
|
---|
463 | my ($duration_str) = @_;
|
---|
464 | my $seconds = 0;
|
---|
465 | # h - hours
|
---|
466 | if ($duration_str =~ /(\d+)h/)
|
---|
467 | {
|
---|
468 | $seconds += $1 * 60 * 60;
|
---|
469 | }
|
---|
470 | # mn - minutes
|
---|
471 | if ($duration_str =~ /(\d+)mn/)
|
---|
472 | {
|
---|
473 | $seconds += $1 * 60;
|
---|
474 | }
|
---|
475 | # s - seconds
|
---|
476 | if ($duration_str =~ /(\d+)s/)
|
---|
477 | {
|
---|
478 | $seconds += $1;
|
---|
479 | }
|
---|
480 | # ms - milliseconds (ignore - I'll be lucky to match to the closest second)
|
---|
481 | return $seconds;
|
---|
482 | }
|
---|
483 | ## parseDurationAsSeconds() ##
|
---|
484 |
|
---|
485 | 1;
|
---|
486 |
|
---|
487 |
|
---|
488 |
|
---|
489 |
|
---|
490 |
|
---|
491 |
|
---|
492 |
|
---|
493 |
|
---|
494 |
|
---|
495 |
|
---|
496 |
|
---|