| 1 | ###########################################################################
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| 2 | #
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| 3 | # VideoConverter - helper plugin that does video (and audio) conversion using ffmpeg
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| 4 | #
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| 5 | # A component of the Greenstone digital library software
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| 6 | # from the New Zealand Digital Library Project at the
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| 7 | # University of Waikato, New Zealand.
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| 8 | #
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| 9 | # Copyright (C) 2008 New Zealand Digital Library Project
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| 10 | #
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| 11 | # This program is free software; you can redistribute it and/or modify
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| 12 | # it under the terms of the GNU General Public License as published by
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| 13 | # the Free Software Foundation; either version 2 of the License, or
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| 14 | # (at your option) any later version.
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| 15 | #
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| 16 | # This program is distributed in the hope that it will be useful,
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| 17 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | # GNU General Public License for more details.
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| 20 | #
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| 21 | # You should have received a copy of the GNU General Public License
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| 22 | # along with this program; if not, write to the Free Software
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| 23 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | #
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| 25 | ###########################################################################
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| 26 | package VideoConverter;
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| 27 |
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| 28 | use MultimediaConverter;
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| 29 |
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| 30 |
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| 31 | use strict;
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| 32 | no strict 'refs'; # allow filehandles to be variables and viceversa
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| 33 |
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| 34 | use gsprintf 'gsprintf';
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| 35 |
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| 36 | BEGIN {
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| 37 | @VideoConverter::ISA = ('MultimediaConverter');
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| 38 | }
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| 39 |
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| 40 |
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| 41 | my @thumb_arguments = (
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| 42 | { 'name' => "create_thumbnail",
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| 43 | 'desc' => "{ImageConverter.create_thumbnail}",
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| 44 | 'type' => "enum",
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| 45 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 46 | {'name' => "false", 'desc' => "{common.false}"}],
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| 47 | 'deft' => "true",
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| 48 | 'reqd' => "no" },
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| 49 | { 'name' => "thumbnailsize",
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| 50 | 'desc' => "{ImageConverter.thumbnailsize}",
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| 51 | 'type' => "int",
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| 52 | 'deft' => "100",
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| 53 | 'range' => "1,",
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| 54 | 'reqd' => "no" },
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| 55 | { 'name' => "thumbnailtype",
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| 56 | 'desc' => "{ImageConverter.thumbnailtype}",
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| 57 | 'type' => "string",
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| 58 | 'deft' => "jpg",
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| 59 | 'reqd' => "no" },
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| 60 | { 'name' => "noscaleup",
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| 61 | 'desc' => "{ImageConverter.noscaleup}",
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| 62 | 'type' => "flag",
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| 63 | 'reqd' => "no" } );
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| 64 |
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| 65 |
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| 66 | my @screenview_arguments = (
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| 67 | { 'name' => "create_screenview",
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| 68 | 'desc' => "{ImageConverter.create_screenview}",
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| 69 | 'type' => "enum",
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| 70 | 'list' => [{'name' => "true", 'desc' => "{common.true}"},
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| 71 | {'name' => "false", 'desc' => "{common.false}"}],
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| 72 | 'deft' => "true",
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| 73 | 'reqd' => "no" },
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| 74 | { 'name' => "screenviewsize",
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| 75 | 'desc' => "{ImageConverter.screenviewsize}",
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| 76 | 'type' => "int",
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| 77 | 'deft' => "352",
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| 78 | 'range' => "1,",
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| 79 | 'reqd' => "no" },
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| 80 | { 'name' => "screenviewtype",
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| 81 | 'desc' => "{ImageConverter.screenviewtype}",
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| 82 | 'type' => "string",
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| 83 | 'deft' => "jpg",
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| 84 | 'reqd' => "no" } );
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| 85 |
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| 86 | my $arguments = [
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| 87 | @thumb_arguments,
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| 88 | @screenview_arguments,
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| 89 |
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| 90 | { 'name' => "converttotype",
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| 91 | 'desc' => "{ImageConverter.converttotype}",
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| 92 | 'type' => "string",
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| 93 | 'deft' => "",
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| 94 | 'reqd' => "no" },
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| 95 |
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| 96 |
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| 97 | { 'name' => "converttosize",
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| 98 | 'desc' => "{VideoPlugin.converttosize}",
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| 99 | 'type' => "int",
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| 100 | 'deft' => "",
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| 101 | ## 'deft' => "352",
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| 102 | 'reqd' => "no" },
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| 103 | { 'name' => "converttobitrate",
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| 104 | 'desc' => "{VideoPlugin.converttobitrate}",
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| 105 | 'type' => "string",
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| 106 | 'deft' => "200k",
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| 107 | 'reqd' => "no" },
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| 108 | { 'name' => "extractkeyframes",
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| 109 | 'desc' => "{VideoPlugin.extractkeyframes}",
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| 110 | 'type' => "flag",
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| 111 | 'deft' => "0",
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| 112 | 'reqd' => "no" },
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| 113 | { 'name' => "streamingsize",
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| 114 | 'desc' => "{VideoPlugin.streamingsize}",
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| 115 | 'type' => "int",
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| 116 | 'deft' => "352",
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| 117 | 'reqd' => "no" },
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| 118 | { 'name' => "streamingbitrate",
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| 119 | 'desc' => "{VideoPlugin.streamingbitrate}",
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| 120 | 'type' => "string",
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| 121 | 'deft' => "200k",
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| 122 | 'reqd' => "no" },
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| 123 |
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| 124 | { 'name' => "minimumsize",
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| 125 | 'desc' => "{ImageConverter.minimumsize}",
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| 126 | 'type' => "int",
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| 127 | 'deft' => "100",
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| 128 | 'range' => "1,",
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| 129 | 'reqd' => "no" },
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| 130 |
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| 131 | ];
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| 132 |
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| 133 | my $options = { 'name' => "VideoConverter",
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| 134 | 'desc' => "{VideoConverter.desc}",
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| 135 | 'abstract' => "yes",
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| 136 | 'inherits' => "yes",
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| 137 | 'args' => $arguments };
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| 138 |
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| 139 | sub new {
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| 140 | my ($class) = shift (@_);
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| 141 | my ($pluginlist,$inputargs,$hashArgOptLists) = @_;
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| 142 | push(@$pluginlist, $class);
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| 143 |
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| 144 | push(@{$hashArgOptLists->{"ArgList"}},@{$arguments});
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| 145 | push(@{$hashArgOptLists->{"OptList"}},$options);
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| 146 |
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| 147 | my $self = new MultimediaConverter($pluginlist, $inputargs, $hashArgOptLists, 1);
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| 148 |
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| 149 |
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| 150 | return bless $self, $class;
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| 151 |
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| 152 | }
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| 153 |
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| 154 |
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| 155 |
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| 156 |
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| 157 | # Discover the characteristics of a video file.
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| 158 |
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| 159 | # Equivalent step to that in ImagePlugin that uses ImageMagicks's
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| 160 | # 'indentify' utility
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| 161 |
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| 162 | # Here we use 'ffmpeg' for video but for consistency keep the Perl
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| 163 | # method name the same as before
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| 164 |
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| 165 |
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| 166 | sub identify {
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| 167 | my ($video, $outhandle, $verbosity) = @_;
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| 168 |
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| 169 | # Use the ffmpeg command to get the file specs
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| 170 | my $command = "ffmpeg -i \"$video\"";
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| 171 |
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| 172 | print $outhandle " $command\n" if ($verbosity > 2);
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| 173 | my $result = '';
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| 174 | $result = `$command 2>&1`;
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| 175 | print $outhandle " $result\n" if ($verbosity > 4);
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| 176 |
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| 177 | # Read the type, width, and height etc.
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| 178 | my $vtype = 'unknown';
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| 179 | my $vcodec = 'unknown';
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| 180 | my $width = 'unknown';
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| 181 | my $height = 'unknown';
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| 182 | my $fps = 'unknown';
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| 183 |
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| 184 | my $atype = 'unknown';
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| 185 | my $afreq = 'unknown';
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| 186 | my $achan = 'unknown';
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| 187 | my $arate = 'unknown';
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| 188 |
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| 189 | my $video_safe = quotemeta $video;
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| 190 |
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| 191 | # strip off everything up to filename
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| 192 | $result =~ s/^.*\'$video_safe\'://s;
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| 193 |
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| 194 | ## if ($result =~ m/Video: (.*?) fps/m) {
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| 195 | if ($result =~ m/^\s+Stream.*?Video: (.*?)$/m) {
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| 196 | my $video_info = $1;
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| 197 | $video_info =~ s/\s*\[.*?\]//g;
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| 198 |
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| 199 | my @video_fields = split(/,\s*/,$video_info);
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| 200 |
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| 201 | $vtype = shift @video_fields;
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| 202 |
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| 203 | if ($video_fields[0] !~ m/(\d+)x(\d+)/) {
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| 204 | $vcodec = shift @video_fields;
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| 205 | }
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| 206 | my $video_dim = shift @video_fields;
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| 207 |
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| 208 | ($width,$height) = ($video_dim =~ m/(\d+)x(\d+)/);
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| 209 |
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| 210 | # if ($video_info =~ m/([^,]+),(?: ([^,]+),)? (\d+)x(\d+),.*?(\d+\.\d+)/)
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| 211 | # {
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| 212 | # $vtype = $1;
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| 213 | # $vcodec = $2 if defined $2;
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| 214 | # $width = $3;
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| 215 | # $height = $4;
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| 216 | # $fps = $5;
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| 217 | # }
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| 218 | }
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| 219 |
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| 220 | if ($result =~ m/Audio: (\w+), (\d+) Hz, (\w+)(?:, (\d+.*))?/m) {
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| 221 | $atype = $1;
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| 222 | $afreq = $2;
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| 223 | $achan = $3;
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| 224 | $arate = $4 if (defined $4);
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| 225 | }
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| 226 |
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| 227 | # Read the duration
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| 228 | my $duration = "unknown";
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| 229 | if ($result =~ m/Duration: (\d+:\d+:\d+\.\d+)/m) {
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| 230 | $duration = $1;
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| 231 | }
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| 232 | print $outhandle " file: $video:\t $vtype, $width, $height, $duration\n"
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| 233 | if ($verbosity > 2);
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| 234 |
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| 235 | if ($verbosity >3) {
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| 236 | print $outhandle "\t video codec=$vcodec, fps = $fps\n";
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| 237 | print $outhandle "\t audio codec=$atype, freq = $afreq Hz, $achan, $arate\n";
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| 238 | }
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| 239 |
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| 240 | # Return the specs
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| 241 | return ($vtype, $width, $height, $duration, -s $video,
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| 242 | $vcodec,$fps,$atype,$afreq,$achan,$arate);
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| 243 | }
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| 244 |
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| 245 |
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| 246 | sub vob_durations
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| 247 | {
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| 248 | my ($media_base_dir,$title_num,$outhandle) = @_;
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| 249 |
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| 250 | my $filter_re = sprintf("^VTS_%02d_[1-9]\\.VOB\$",$title_num);
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| 251 |
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| 252 | my $duration_info = {};
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| 253 |
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| 254 | if (opendir(VTSIN,$media_base_dir)) {
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| 255 | my @vts_title_vobs = grep { $_ =~ m/$filter_re/ } readdir(VTSIN);
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| 256 | closedir(VTSIN);
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| 257 |
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| 258 | foreach my $v (@vts_title_vobs) {
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| 259 | my $full_v = &util::filename_cat($media_base_dir,$v);
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| 260 |
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| 261 | my ($vtype, $width, $height, $duration, $vsize,
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| 262 | $vcodec,$fps,$atype,$afreq,$achan,$arate) = identify($full_v,$outhandle,0);
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| 263 |
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| 264 | my ($vob_num) = ($v =~ m/^VTS_\d\d_(\d)\.VOB$/);
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| 265 |
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| 266 | $duration_info->{$vob_num} = $duration;
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| 267 | print STDERR "**** $title_num: $title_num, storing {$vob_num} => $duration\n";
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| 268 |
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| 269 | }
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| 270 |
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| 271 | }
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| 272 | else {
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| 273 | print $outhandle "Warning: unable to read files in directory $media_base_dir\n";
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| 274 | }
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| 275 |
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| 276 | return $duration_info;
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| 277 |
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| 278 | }
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| 279 |
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| 280 |
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| 281 |
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| 282 | sub init_cache_for_file {
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| 283 | my $self = shift(@_);
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| 284 |
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| 285 | my ($video_filename) = @_;
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| 286 |
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| 287 | $self->SUPER::init_cache_for_file($video_filename);
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| 288 |
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| 289 |
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| 290 | my @flvtool2_monitor = ( 'monitor_init' ,"convertutil::monitor_init_unbuffered",
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| 291 | 'monitor_line' , "VideoConverter::flvtool2_monitor_line",
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| 292 | 'monitor_deinit' , "convertutil::monitor_deinit_unbuffered" );
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| 293 |
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| 294 | $self->{'flvtool2_monitor'} = \@flvtool2_monitor;
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| 295 |
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| 296 |
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| 297 | }
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| 298 |
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| 299 |
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| 300 |
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| 301 | sub optional_frame_scale
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| 302 | {
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| 303 | my $self = shift (@_);
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| 304 | my ($orig_size,$video_width,$video_height) = @_;
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| 305 |
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| 306 | my $s_opt = "";
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| 307 |
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| 308 | if ($video_width > $video_height) {
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| 309 | if ($video_width > $orig_size) {
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| 310 | my $scale_factor = $orig_size/$video_width;
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| 311 | my $scaled_width = int($video_width * $scale_factor);
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| 312 | my $scaled_height = int($video_height * $scale_factor);
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| 313 |
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| 314 | # round to be ensure multiple of 2 (needed by some codecs)
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| 315 | $scaled_width = int($scaled_width/2)*2;
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| 316 | $scaled_height = int($scaled_height/2)*2;
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| 317 |
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| 318 | $s_opt = "-s ${scaled_width}x${scaled_height}";
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| 319 | }
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| 320 | # else, video is smaller than requested size, don't scale up
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| 321 | }
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| 322 | else {
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| 323 | if ($video_height > $orig_size) {
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| 324 | my $scale_factor = $orig_size/$video_height;
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| 325 | my $scaled_width = int($video_width * $scale_factor);
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| 326 | my $scaled_height = int($video_height * $scale_factor);
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| 327 |
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| 328 | # round to be ensure multiple of 2 (needed by some codecs)
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| 329 | $scaled_width = int($scaled_width/2)*2;
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| 330 | $scaled_height = int($scaled_height/2)*2;
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| 331 |
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| 332 | $s_opt = "-s ${scaled_width}x${scaled_height}";
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| 333 | }
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| 334 | # else, video is smaller than requested size, don't scale up
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| 335 |
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| 336 | }
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| 337 |
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| 338 | return $s_opt;
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| 339 | }
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| 340 |
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| 341 |
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| 342 | sub keyframe_cmd
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| 343 | {
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| 344 | my $self = shift (@_);
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| 345 | my ($ivideo_filename) = @_;
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| 346 |
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| 347 | my $video_ext_dir = &util::filename_cat($ENV{'GSDLHOME'},"ext","video");
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| 348 |
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| 349 | my $output_dir = $self->{'cached_dir'};
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| 350 | my $ivideo_root = $self->{'cached_file_root'};
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| 351 |
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| 352 | my $oshot_filename = &util::filename_cat($output_dir,"shots.xml");
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| 353 |
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| 354 | my $exp_duration = $self->{'exp_duration'};
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| 355 | my $t_opt = (defined $exp_duration) ? "-t $exp_duration" : "";
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| 356 |
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| 357 | my $main_opts = "-y $t_opt";
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| 358 |
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| 359 | my $hive = &util::filename_cat($video_ext_dir,"lib","vhook","hive.so");
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| 360 |
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| 361 | my $oflash_filename = &util::filename_cat($output_dir,"$ivideo_root\_keyframe.flv");
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| 362 |
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| 363 | my $vhook_opts = "$hive -o $oshot_filename -k $output_dir $ivideo_filename";
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| 364 |
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| 365 | my $ivideo_filename_gsdlenv = $self->gsdlhome_independent($ivideo_filename);
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| 366 | my $oflash_filename_gsdlenv = $self->gsdlhome_independent($oflash_filename);
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| 367 |
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| 368 | my $ffmpeg_cmd = "ffkeyframe $main_opts -vhook \"$vhook_opts\" -i \"$ivideo_filename_gsdlenv\" -an -y \"$oflash_filename_gsdlenv\"";
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| 369 |
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| 370 |
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| 371 | return ($ffmpeg_cmd,$oflash_filename);
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| 372 | }
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| 373 |
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| 374 |
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| 375 | sub stream_flv_video_cmd
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| 376 | {
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| 377 | my $self = shift (@_);
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| 378 | my ($ivideo_filename,$video_width,$video_height,
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| 379 | $streaming_quality,
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| 380 | $streaming_bitrate,$streaming_size,
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| 381 | $opt_streaming_achan, $opt_streaming_arate) = @_;
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| 382 |
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| 383 | my $streaming_achan
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| 384 | = (defined $opt_streaming_achan) ? $opt_streaming_achan : 2;
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| 385 |
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| 386 | my $streaming_arate
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| 387 | = (defined $opt_streaming_arate) ? $opt_streaming_arate : 22050;
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| 388 |
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| 389 | my $output_dir = $self->{'cached_dir'};
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| 390 | my $ivideo_root = $self->{'cached_file_root'};
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| 391 |
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| 392 | my $oflash_file = "${ivideo_root}_vstream.flv";
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| 393 | my $oflash_filename = &util::filename_cat($output_dir,$oflash_file);
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| 394 |
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| 395 | my $s_opt = "";
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| 396 | if ($self->{'media_type'} ne "audio") {
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| 397 | $s_opt = $self->optional_frame_scale($streaming_size,$video_width,$video_height);
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| 398 | }
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| 399 |
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| 400 |
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| 401 | my $exp_duration = $self->{'exp_duration'};
|
|---|
| 402 | my $t_opt = (defined $exp_duration) ? "-t $exp_duration" : "";
|
|---|
| 403 |
|
|---|
| 404 | my $main_opts = "-y $t_opt";
|
|---|
| 405 |
|
|---|
| 406 | my $bitrate_opt = "-b $streaming_bitrate";
|
|---|
| 407 | ### my $stream_opts = "-r 25 $s_opt";
|
|---|
| 408 | my $stream_opts .= " $s_opt -ac $streaming_achan -ar $streaming_arate";
|
|---|
| 409 |
|
|---|
| 410 | # -flags +ilme+ildct' and maybe '-flags +alt' for interlaced material, and try '-top 0/1'
|
|---|
| 411 |
|
|---|
| 412 | my $all_opts = "$main_opts $stream_opts";
|
|---|
| 413 |
|
|---|
| 414 | my $ffmpeg_cmd;
|
|---|
| 415 |
|
|---|
| 416 | my $ivideo_filename_gsdlenv = $self->gsdlhome_independent($ivideo_filename);
|
|---|
| 417 | my $oflash_filename_gsdlenv = $self->gsdlhome_independent($oflash_filename);
|
|---|
| 418 |
|
|---|
| 419 | if ($streaming_quality eq "high") {
|
|---|
| 420 |
|
|---|
| 421 | my $pass_log_file = &util::filename_cat($output_dir,"$ivideo_root-logpass.txt");
|
|---|
| 422 | if (-e $pass_log_file) {
|
|---|
| 423 | &util::rm($pass_log_file);
|
|---|
| 424 | }
|
|---|
| 425 |
|
|---|
| 426 | my $pass_log_file_gsdlenv = $self->gsdlhome_independent($pass_log_file);
|
|---|
| 427 |
|
|---|
| 428 | $all_opts .= " -passlogfile \"$pass_log_file_gsdlenv\"";
|
|---|
| 429 |
|
|---|
| 430 | my $ffmpeg_cmd_pass1 = "ffmpeg -pass 1 -i \"$ivideo_filename_gsdlenv\" $all_opts -y \"$oflash_filename_gsdlenv\"";
|
|---|
| 431 |
|
|---|
| 432 | my $ffmpeg_cmd_pass2 = "ffmpeg -pass 2 -i \"$ivideo_filename_gsdlenv\" $all_opts $bitrate_opt -y \"$oflash_filename_gsdlenv\"";
|
|---|
| 433 | $ffmpeg_cmd = "( $ffmpeg_cmd_pass1 && $ffmpeg_cmd_pass2 )";
|
|---|
| 434 | }
|
|---|
| 435 | else {
|
|---|
| 436 | # single pass
|
|---|
| 437 |
|
|---|
| 438 | $ffmpeg_cmd = "ffmpeg -i \"$ivideo_filename_gsdlenv\" $all_opts -y \"$oflash_filename_gsdlenv\"";
|
|---|
| 439 | }
|
|---|
| 440 |
|
|---|
| 441 | return ($ffmpeg_cmd,$oflash_filename,$oflash_file);
|
|---|
| 442 | }
|
|---|
| 443 |
|
|---|
| 444 |
|
|---|
| 445 |
|
|---|
| 446 |
|
|---|
| 447 | sub stream_flv_audio_cmd
|
|---|
| 448 | {
|
|---|
| 449 | # AudioConverter also has a routine for doing this
|
|---|
| 450 | # => merge into one!
|
|---|
| 451 | # **************
|
|---|
| 452 |
|
|---|
| 453 | my $self = shift (@_);
|
|---|
| 454 | my ($ivideo_filename, $opt_streaming_achan, $opt_streaming_arate) = @_;
|
|---|
| 455 |
|
|---|
| 456 | # Convert either audio or video to streamable audio format
|
|---|
| 457 |
|
|---|
| 458 | my $streaming_achan
|
|---|
| 459 | = (defined $opt_streaming_achan) ? $opt_streaming_achan : 2;
|
|---|
| 460 |
|
|---|
| 461 | my $streaming_arate
|
|---|
| 462 | = (defined $opt_streaming_arate) ? $opt_streaming_arate : 22050;
|
|---|
| 463 |
|
|---|
| 464 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 465 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 466 |
|
|---|
| 467 | my $ofla_file = "${ivideo_root}_astream.flv";
|
|---|
| 468 | my $ofla_filename = &util::filename_cat($output_dir,$ofla_file);
|
|---|
| 469 |
|
|---|
| 470 | my $exp_duration = $self->{'exp_duration'};
|
|---|
| 471 | my $t_opt = (defined $exp_duration) ? "-t $exp_duration" : "";
|
|---|
| 472 |
|
|---|
| 473 | my $main_opts = "-vn -y $t_opt";
|
|---|
| 474 |
|
|---|
| 475 | my $stream_opts .= " -ac $streaming_achan -ar $streaming_arate";
|
|---|
| 476 |
|
|---|
| 477 | my $all_opts = "$main_opts $stream_opts";
|
|---|
| 478 |
|
|---|
| 479 | my $ffmpeg_cmd;
|
|---|
| 480 |
|
|---|
| 481 | my $ivideo_filename_gsdlenv = $self->gsdlhome_independent($ivideo_filename);
|
|---|
| 482 | my $ofla_filename_gsdlenv = $self->gsdlhome_independent($ofla_filename);
|
|---|
| 483 | $ffmpeg_cmd = "ffmpeg -i \"$ivideo_filename_gsdlenv\" $all_opts -y \"$ofla_filename_gsdlenv\"";
|
|---|
| 484 |
|
|---|
| 485 | return ($ffmpeg_cmd,$ofla_filename,$ofla_file);
|
|---|
| 486 | }
|
|---|
| 487 |
|
|---|
| 488 |
|
|---|
| 489 |
|
|---|
| 490 |
|
|---|
| 491 | sub audio_excerpt_cmd
|
|---|
| 492 | {
|
|---|
| 493 | my $self = shift (@_);
|
|---|
| 494 | my ($ivoa_filename,$hh,$mm,$ss,$opt_excerpt_len) = @_;
|
|---|
| 495 |
|
|---|
| 496 | # ivoa = input video or audio
|
|---|
| 497 |
|
|---|
| 498 | my $time_encoded = "$hh:$mm:$ss";
|
|---|
| 499 | my $time_encoded_file = "$hh$mm$ss";
|
|---|
| 500 |
|
|---|
| 501 |
|
|---|
| 502 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 503 | my $ivoa_root = $self->{'cached_file_root'};
|
|---|
| 504 |
|
|---|
| 505 | my $omp3_file = "${ivoa_root}_$time_encoded_file.mp3";
|
|---|
| 506 | my $omp3_filename = &util::filename_cat($output_dir,$omp3_file);
|
|---|
| 507 |
|
|---|
| 508 | my $all_opts = "-y -acodec mp3 -ss $time_encoded ";
|
|---|
| 509 |
|
|---|
| 510 | if (defined $opt_excerpt_len) {
|
|---|
| 511 | $all_opts .= "-t $opt_excerpt_len ";
|
|---|
| 512 | }
|
|---|
| 513 |
|
|---|
| 514 |
|
|---|
| 515 | my $ivoa_filename_gsdlenv = $self->gsdlhome_independent($ivoa_filename);
|
|---|
| 516 | my $omp3_filename_gsdlenv = $self->gsdlhome_independent($omp3_filename);
|
|---|
| 517 |
|
|---|
| 518 |
|
|---|
| 519 | my $ffmpeg_cmd = "ffmpeg -i \"$ivoa_filename_gsdlenv\" $all_opts \"$omp3_filename_gsdlenv\"";
|
|---|
| 520 |
|
|---|
| 521 | return ($ffmpeg_cmd,$omp3_filename,$omp3_file);
|
|---|
| 522 | }
|
|---|
| 523 |
|
|---|
| 524 |
|
|---|
| 525 |
|
|---|
| 526 | sub streamseekable_cmd
|
|---|
| 527 | {
|
|---|
| 528 | my $self = shift (@_);
|
|---|
| 529 | my ($oflash_filename) = @_;
|
|---|
| 530 |
|
|---|
| 531 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 532 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 533 |
|
|---|
| 534 | my $cue_filename = &util::filename_cat($output_dir,"on_cue.xml");
|
|---|
| 535 |
|
|---|
| 536 | my $flvtool_cmd = "flvtool2 -vUP \"$oflash_filename\"";
|
|---|
| 537 |
|
|---|
| 538 | return ($flvtool_cmd,$oflash_filename);
|
|---|
| 539 | }
|
|---|
| 540 |
|
|---|
| 541 |
|
|---|
| 542 | sub streamkeyframes_cmd
|
|---|
| 543 | {
|
|---|
| 544 | my $self = shift (@_);
|
|---|
| 545 | my ($oflash_filename,$doc_obj,$section) = @_;
|
|---|
| 546 |
|
|---|
| 547 | my $assocfilepath
|
|---|
| 548 | = $doc_obj->get_metadata_element($section,"assocfilepath");
|
|---|
| 549 |
|
|---|
| 550 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 551 |
|
|---|
| 552 | my $cue_filename = &util::filename_cat($output_dir,"on_cue.xml");
|
|---|
| 553 |
|
|---|
| 554 | my $video_server = $ENV{'GEXT_VIDEO_SERVER'};
|
|---|
| 555 | my $video_prefix = $ENV{'GEXT_VIDEO_PREFIX'};
|
|---|
| 556 |
|
|---|
| 557 | my $collect = $ENV{'GSDLCOLLECTION'};
|
|---|
| 558 |
|
|---|
| 559 | print STDERR "**** Warning: need to remove dependency of GEXT_VIDEO_SERVER and _PREFIX\n";
|
|---|
| 560 |
|
|---|
| 561 | my $flvtool_cmd = "flvtool2 -vAUtP \"$cue_filename\" -thumbLocation:$video_server$video_prefix/collect/$collect/index/assoc/$assocfilepath \"$oflash_filename\"";
|
|---|
| 562 |
|
|---|
| 563 |
|
|---|
| 564 | return ($flvtool_cmd,$oflash_filename);
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 |
|
|---|
| 568 | sub streamcuepts_cmd
|
|---|
| 569 | {
|
|---|
| 570 | my $self = shift (@_);
|
|---|
| 571 | my ($oflash_filename) = @_;
|
|---|
| 572 |
|
|---|
| 573 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 574 |
|
|---|
| 575 | my $cue_filename = &util::filename_cat($output_dir,"on_cue.xml");
|
|---|
| 576 |
|
|---|
| 577 | my $video_server = $ENV{'GEXT_VIDEO_SERVER'};
|
|---|
| 578 | my $video_prefix = $ENV{'GEXT_VIDEO_PREFIX'};
|
|---|
| 579 |
|
|---|
| 580 | my $collect = $ENV{'GSDLCOLLECTION'};
|
|---|
| 581 |
|
|---|
| 582 | ## my $thumbloc = "$video_server$video_prefix/collect/$collect";
|
|---|
| 583 |
|
|---|
| 584 |
|
|---|
| 585 | # my $flvtool_cmd = "flvtool2 -vUAtP \"$cue_filename\" -thumbLocation:$thumbloc \"$oflash_filename\"";
|
|---|
| 586 |
|
|---|
| 587 | # my $flvtool_cmd = "flvtool2 -vUAt \"$cue_filename\" \"$oflash_filename\"";
|
|---|
| 588 |
|
|---|
| 589 |
|
|---|
| 590 |
|
|---|
| 591 | # my $flvtool_cmd = "flvtool2 -vUAt \"$cue_filename\" \"$oflash_filename\"";
|
|---|
| 592 |
|
|---|
| 593 |
|
|---|
| 594 | ## my $flvtool_cmd = "flvtool2 -vAt \"$cue_filename\" -UP \"$oflash_filename\" \"$output_dir/updated.flv\"";
|
|---|
| 595 |
|
|---|
| 596 | ## my $flvtool_cmd = "flvtool2 -vAtU \"$cue_filename\" \"$oflash_filename\" \"$output_dir/updated.flv\"";
|
|---|
| 597 |
|
|---|
| 598 | my $flvtool_cmd = "flvtool2 -vAtUP \"$cue_filename\" \"$oflash_filename\"";
|
|---|
| 599 |
|
|---|
| 600 | return ($flvtool_cmd,$oflash_filename);
|
|---|
| 601 | }
|
|---|
| 602 |
|
|---|
| 603 |
|
|---|
| 604 | sub keyframe_thumbnail_cmd
|
|---|
| 605 | {
|
|---|
| 606 | my $self = shift (@_);
|
|---|
| 607 | my ($ivideo_filename,$thumbnailfile,$thumbnailwidth,$thumbnailheight) = @_;
|
|---|
| 608 |
|
|---|
| 609 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 610 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 611 |
|
|---|
| 612 | my $key_filename_prefix = &util::filename_cat($output_dir,$ivideo_root);
|
|---|
| 613 |
|
|---|
| 614 |
|
|---|
| 615 | # Try for 4th keyframe, but fall back to 1st if doesn't exist
|
|---|
| 616 | my $key_filename = "${key_filename_prefix}_0003.jpg";
|
|---|
| 617 | $key_filename = "${key_filename_prefix}_0000.jpg" if (!-e $key_filename);
|
|---|
| 618 |
|
|---|
| 619 | my $key_filename_gsdlenv = $self->gsdlhome_independent($key_filename);
|
|---|
| 620 | my $thumbnailfile_gsdlenv = $self->gsdlhome_independent($thumbnailfile);
|
|---|
| 621 |
|
|---|
| 622 | my $command;
|
|---|
| 623 |
|
|---|
| 624 | if (-e $key_filename) {
|
|---|
| 625 | $command = "convert -interlace plane -verbose -geometry $thumbnailwidth"
|
|---|
| 626 | . "x$thumbnailheight \"$key_filename_gsdlenv\" \"$thumbnailfile_gsdlenv\"";
|
|---|
| 627 | }
|
|---|
| 628 | else {
|
|---|
| 629 | # extractkeyframe has either not been switched on, or else had
|
|---|
| 630 | # a problem when running
|
|---|
| 631 | # => extract a from
|
|---|
| 632 | # my $frame_rate = 1.0 / 60.0;
|
|---|
| 633 |
|
|---|
| 634 | my $ivideo_filename_gsdlenv = $self->gsdlhome_independent($ivideo_filename);
|
|---|
| 635 |
|
|---|
| 636 |
|
|---|
| 637 |
|
|---|
| 638 | $command = "ffmpeg -i \"$ivideo_filename_gsdlenv\" -ss 12.5 -vframes 1 -f image2 -s ${thumbnailwidth}x${thumbnailheight} -y \"$thumbnailfile_gsdlenv\"";
|
|---|
| 639 |
|
|---|
| 640 | # fmpeg -i input.dv -r 1 -f image2 -s 120x96 images%05d.png
|
|---|
| 641 | }
|
|---|
| 642 |
|
|---|
| 643 | return ($command,$thumbnailfile);
|
|---|
| 644 | }
|
|---|
| 645 |
|
|---|
| 646 |
|
|---|
| 647 | sub keyframe_montage_cmd
|
|---|
| 648 | {
|
|---|
| 649 | my $self = shift (@_);
|
|---|
| 650 | my ($ivideo_filename,$montagefile) = @_;
|
|---|
| 651 |
|
|---|
| 652 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 653 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 654 |
|
|---|
| 655 | my $key_filename_prefix = &util::filename_cat($output_dir,$ivideo_root);
|
|---|
| 656 |
|
|---|
| 657 | my $options = "-tile 10 -geometry 75x62+2+2";
|
|---|
| 658 |
|
|---|
| 659 | my $command = "montage $options ${key_filename_prefix}_*.jpg \"$montagefile\"";
|
|---|
| 660 |
|
|---|
| 661 | return ($command,$montagefile);
|
|---|
| 662 | }
|
|---|
| 663 |
|
|---|
| 664 |
|
|---|
| 665 |
|
|---|
| 666 | sub parse_shot_xml
|
|---|
| 667 | {
|
|---|
| 668 | my ($self) = shift(@_);
|
|---|
| 669 |
|
|---|
| 670 | my $outhandle = $self->{'outhandle'};
|
|---|
| 671 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 672 |
|
|---|
| 673 | my $shots_filename = &util::filename_cat($output_dir,"shots.xml");
|
|---|
| 674 |
|
|---|
| 675 | eval {
|
|---|
| 676 | $self->{'parser'}->parsefile($shots_filename);
|
|---|
| 677 | };
|
|---|
| 678 |
|
|---|
| 679 | if ($@) {
|
|---|
| 680 | print $outhandle "VideoConverter: skipping $shots_filename as not conformant to Hive shot syntax\n" if ($self->{'verbosity'} > 1);
|
|---|
| 681 | print $outhandle "\n Perl Error:\n $@\n" if ($self->{'verbosity'}>2);
|
|---|
| 682 | return 0;
|
|---|
| 683 | }
|
|---|
| 684 |
|
|---|
| 685 | }
|
|---|
| 686 |
|
|---|
| 687 | sub associate_keyframes_old
|
|---|
| 688 | {
|
|---|
| 689 | my ($self) = shift(@_);
|
|---|
| 690 |
|
|---|
| 691 | my ($doc_obj,$section) = @_;
|
|---|
| 692 |
|
|---|
| 693 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 694 |
|
|---|
| 695 | my $count = 1;
|
|---|
| 696 | foreach my $kframe_file (@{$self->{'keyframe_fnames'}}) {
|
|---|
| 697 |
|
|---|
| 698 | my $kframe_filename = &util::filename_cat($output_dir,$kframe_file);
|
|---|
| 699 | $doc_obj->associate_file($kframe_filename,"keyframe$count.jpg","image/jpeg",
|
|---|
| 700 | $section);
|
|---|
| 701 | $count++;
|
|---|
| 702 | }
|
|---|
| 703 |
|
|---|
| 704 | $doc_obj->add_utf8_metadata($section,"NumKeyframes",scalar(@{$self->{'keyframe_fnames'}}));
|
|---|
| 705 |
|
|---|
| 706 |
|
|---|
| 707 | # *****
|
|---|
| 708 | # $doc_obj->add_metadata ($section, "thumblist", $self->{'flowplayer_thumblist'});
|
|---|
| 709 |
|
|---|
| 710 | }
|
|---|
| 711 |
|
|---|
| 712 | sub associate_keyframes
|
|---|
| 713 | {
|
|---|
| 714 | my ($self) = shift(@_);
|
|---|
| 715 |
|
|---|
| 716 | my ($doc_obj,$section) = @_;
|
|---|
| 717 |
|
|---|
| 718 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 719 | my $timeline = $self->{'keyframe_timeline'};
|
|---|
| 720 |
|
|---|
| 721 | my $count = 1;
|
|---|
| 722 |
|
|---|
| 723 | foreach my $t (sort { $timeline->{$a}->{'keyframeindex'} <=> $timeline->{$b}->{'keyframeindex'} } keys %$timeline)
|
|---|
| 724 | {
|
|---|
| 725 | my $kframe_file = $timeline->{$t}->{'thumb'};
|
|---|
| 726 | my $timestamp = $timeline->{$t}->{'timestamp'};
|
|---|
| 727 |
|
|---|
| 728 | my $kframe_filename = &util::filename_cat($output_dir,$kframe_file);
|
|---|
| 729 | $doc_obj->associate_file($kframe_filename,"keyframe$count.jpg","image/jpeg",
|
|---|
| 730 | $section);
|
|---|
| 731 | $doc_obj->add_utf8_metadata($section,"KeyframeTimestamp",$timestamp);
|
|---|
| 732 |
|
|---|
| 733 | $count++;
|
|---|
| 734 | }
|
|---|
| 735 |
|
|---|
| 736 | $doc_obj->add_utf8_metadata($section,"NumKeyframes",scalar(@{$self->{'keyframe_fnames'}}));
|
|---|
| 737 |
|
|---|
| 738 |
|
|---|
| 739 | # *****
|
|---|
| 740 | # $doc_obj->add_metadata ($section, "thumblist", $self->{'flowplayer_thumblist'});
|
|---|
| 741 | }
|
|---|
| 742 |
|
|---|
| 743 |
|
|---|
| 744 |
|
|---|
| 745 | sub enable_audio_streaming
|
|---|
| 746 | {
|
|---|
| 747 | my $self = shift (@_);
|
|---|
| 748 | my ($doc_obj,$originalfilename,$filename,$convertto_regenerated) = @_;
|
|---|
| 749 |
|
|---|
| 750 | my $section = $doc_obj->get_top_section();
|
|---|
| 751 |
|
|---|
| 752 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 753 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 754 |
|
|---|
| 755 | # Generate FLV audio-only format for streaming purposes
|
|---|
| 756 |
|
|---|
| 757 | my $optionally_run_general_cmd = "run_uncached_general_cmd";
|
|---|
| 758 | if ($self->{'enable_cache'}) {
|
|---|
| 759 | $optionally_run_general_cmd
|
|---|
| 760 | = ($convertto_regenerated) ? "regenerate_general_cmd" : "run_cached_general_cmd";
|
|---|
| 761 | }
|
|---|
| 762 |
|
|---|
| 763 |
|
|---|
| 764 | my ($stream_cmd,$ofla_filename,$ofla_file)
|
|---|
| 765 | = $self->stream_flv_audio_cmd($originalfilename || $filename);
|
|---|
| 766 |
|
|---|
| 767 |
|
|---|
| 768 | my $streamable_options = { @{$self->{'ffmpeg_monitor'}},
|
|---|
| 769 | 'message_prefix' => "Stream",
|
|---|
| 770 | 'message' => "Generating streamable audio: $ofla_file" };
|
|---|
| 771 |
|
|---|
| 772 |
|
|---|
| 773 | my ($streamable_regenerated,$streamable_result,$streamable_had_error)
|
|---|
| 774 | = $self->$optionally_run_general_cmd($stream_cmd,$ofla_filename,
|
|---|
| 775 | $streamable_options);
|
|---|
| 776 |
|
|---|
| 777 |
|
|---|
| 778 | if (!$streamable_had_error) {
|
|---|
| 779 | my ($streamseekable_cmd,$ostreamseekable_filename) = $self->streamseekable_cmd($ofla_filename);
|
|---|
| 780 |
|
|---|
| 781 | my $streamseekable_options = { @{$self->{'flvtool2_monitor'}},
|
|---|
| 782 | 'message_prefix' => "Stream Seekable",
|
|---|
| 783 | 'message' => "Reprocessing audio stream to be seekable by timeline: $ofla_file" };
|
|---|
| 784 |
|
|---|
| 785 | if ($streamable_regenerated) {
|
|---|
| 786 | $self->run_general_cmd($streamseekable_cmd,$streamseekable_options);
|
|---|
| 787 | }
|
|---|
| 788 |
|
|---|
| 789 | my $streamable_url = $ofla_file;
|
|---|
| 790 | my $streamable_url_safe = $self->url_safe($streamable_url);
|
|---|
| 791 |
|
|---|
| 792 | $doc_obj->add_utf8_metadata ($section, "streamableaudio", $streamable_url_safe);
|
|---|
| 793 | $doc_obj->associate_file($ofla_filename,$ofla_file,"audio/flash",
|
|---|
| 794 | $section);
|
|---|
| 795 | }
|
|---|
| 796 |
|
|---|
| 797 | $doc_obj->add_metadata ($section, "audioflashwidth", 400);
|
|---|
| 798 | $doc_obj->add_metadata ($section, "audioflashheight", 22 + 100);
|
|---|
| 799 |
|
|---|
| 800 | $self->{'ofla_file'} = $ofla_file;
|
|---|
| 801 | $self->{'ofla_filename'} = $ofla_filename;
|
|---|
| 802 |
|
|---|
| 803 | return $streamable_regenerated;
|
|---|
| 804 | }
|
|---|
| 805 |
|
|---|
| 806 |
|
|---|
| 807 |
|
|---|
| 808 |
|
|---|
| 809 |
|
|---|
| 810 | sub enable_video_streaming
|
|---|
| 811 | {
|
|---|
| 812 | my $self = shift (@_);
|
|---|
| 813 | my ($doc_obj,$originalfilename,$filename,$convertto_regenerated,
|
|---|
| 814 | $video_width,$video_height) = @_;
|
|---|
| 815 |
|
|---|
| 816 | my $section = $doc_obj->get_top_section();
|
|---|
| 817 |
|
|---|
| 818 | my $output_dir = $self->{'cached_dir'};
|
|---|
| 819 | my $ivideo_root = $self->{'cached_file_root'};
|
|---|
| 820 |
|
|---|
| 821 | # Generate the Flash FLV format for streaming purposes
|
|---|
| 822 |
|
|---|
| 823 | my $optionally_run_general_cmd = "run_uncached_general_cmd";
|
|---|
| 824 | if ($self->{'enable_cache'}) {
|
|---|
| 825 | $optionally_run_general_cmd
|
|---|
| 826 | = ($convertto_regenerated) ? "regenerate_general_cmd" : "run_cached_general_cmd";
|
|---|
| 827 | }
|
|---|
| 828 |
|
|---|
| 829 |
|
|---|
| 830 | my $streaming_bitrate = $self->{'streamingbitrate'};
|
|---|
| 831 | my $streaming_size = $self->{'streamingsize'};
|
|---|
| 832 |
|
|---|
| 833 | my $streaming_quality = "high";
|
|---|
| 834 |
|
|---|
| 835 | my ($stream_cmd,$oflash_filename,$oflash_file)
|
|---|
| 836 | = $self->stream_flv_video_cmd($originalfilename || $filename,
|
|---|
| 837 | $video_width,$video_height,
|
|---|
| 838 | $streaming_quality,
|
|---|
| 839 | $streaming_bitrate, $streaming_size);
|
|---|
| 840 |
|
|---|
| 841 |
|
|---|
| 842 | my $streamable_options = { @{$self->{'ffmpeg_monitor'}},
|
|---|
| 843 | 'message_prefix' => "Stream",
|
|---|
| 844 | 'message' => "Generating streamable video: $oflash_file" };
|
|---|
| 845 |
|
|---|
| 846 |
|
|---|
| 847 | my ($streamable_regenerated,$streamable_result,$streamable_had_error)
|
|---|
| 848 | = $self->$optionally_run_general_cmd($stream_cmd,$oflash_filename,$streamable_options);
|
|---|
| 849 |
|
|---|
| 850 | if (!$streamable_had_error) {
|
|---|
| 851 | my ($streamseekable_cmd,$ostreamseekable_filename) = $self->streamseekable_cmd($oflash_filename);
|
|---|
| 852 |
|
|---|
| 853 | my $streamseekable_options = { @{$self->{'flvtool2_monitor'}},
|
|---|
| 854 | 'message_prefix' => "Stream Seekable",
|
|---|
| 855 | 'message' => "Reprocessing video stream to be seekable by timeline: $oflash_file" };
|
|---|
| 856 |
|
|---|
| 857 | if ($streamable_regenerated) {
|
|---|
| 858 | $self->run_general_cmd($streamseekable_cmd,$streamseekable_options);
|
|---|
| 859 | }
|
|---|
| 860 |
|
|---|
| 861 | my $streamable_url = $oflash_file;
|
|---|
| 862 | my $streamable_url_safe = $self->url_safe($streamable_url);
|
|---|
| 863 |
|
|---|
| 864 | $doc_obj->add_utf8_metadata ($section, "streamablevideo", $streamable_url_safe);
|
|---|
| 865 | $doc_obj->associate_file($oflash_filename,$oflash_file,"video/flash",
|
|---|
| 866 | $section);
|
|---|
| 867 | }
|
|---|
| 868 |
|
|---|
| 869 |
|
|---|
| 870 | #
|
|---|
| 871 | # FlowPlayer.swf height+22 pixels
|
|---|
| 872 | # FlowPlayerBlack.swf height+16 pixels
|
|---|
| 873 | # FlowPlayerThermo.swf height+16 pixels
|
|---|
| 874 | # FlowPlayerWhite.swf height+26 pixels
|
|---|
| 875 |
|
|---|
| 876 | my $flashwidth = $video_width;
|
|---|
| 877 | my $flashheight = $video_height + 22;
|
|---|
| 878 |
|
|---|
| 879 | if ($self->{'extractkeyframes'}) {
|
|---|
| 880 | $flashheight += 100;
|
|---|
| 881 | }
|
|---|
| 882 |
|
|---|
| 883 | $doc_obj->add_metadata ($section, "flashwidth", $flashwidth);
|
|---|
| 884 | $doc_obj->add_metadata ($section, "flashheight", $flashheight);
|
|---|
| 885 |
|
|---|
| 886 | $self->{'oflash_file'} = $oflash_file;
|
|---|
| 887 | $self->{'oflash_filename'} = $oflash_filename;
|
|---|
| 888 |
|
|---|
| 889 | return $streamable_regenerated;
|
|---|
| 890 | }
|
|---|
| 891 |
|
|---|
| 892 |
|
|---|
| 893 | sub enable_full_streaming
|
|---|
| 894 | {
|
|---|
| 895 | my $self = shift (@_);
|
|---|
| 896 | my ($doc_obj,$originalfilename,$filename,$convertto_regenerated,
|
|---|
| 897 | $video_width,$video_height) = @_;
|
|---|
| 898 |
|
|---|
| 899 | my $video_streamable_regenerated
|
|---|
| 900 | = $self->enable_video_streaming($doc_obj,$originalfilename,$filename,
|
|---|
| 901 | $convertto_regenerated,
|
|---|
| 902 | $video_width,$video_height);
|
|---|
| 903 |
|
|---|
| 904 | my $audio_streamable_regenerated
|
|---|
| 905 | = $self->enable_audio_streaming($doc_obj,$originalfilename,$filename,
|
|---|
| 906 | $convertto_regenerated);
|
|---|
| 907 |
|
|---|
| 908 | return ($video_streamable_regenerated || $audio_streamable_regenerated);
|
|---|
| 909 | }
|
|---|
| 910 |
|
|---|
| 911 |
|
|---|
| 912 |
|
|---|
| 913 | sub flvtool2_monitor_line
|
|---|
| 914 | {
|
|---|
| 915 | my ($line) = @_;
|
|---|
| 916 |
|
|---|
| 917 | my $had_error = 0;
|
|---|
| 918 | my $generate_dot = 1;
|
|---|
| 919 |
|
|---|
| 920 | if ($line =~ m/\s+\- /) {
|
|---|
| 921 | # ignore tabulated output printed at end of command
|
|---|
| 922 | $generate_dot = 0;
|
|---|
| 923 | }
|
|---|
| 924 |
|
|---|
| 925 | if ($line =~ m/^Error:/i) {
|
|---|
| 926 | $had_error = 1;
|
|---|
| 927 | }
|
|---|
| 928 |
|
|---|
| 929 | return ($had_error,$generate_dot);
|
|---|
| 930 | }
|
|---|
| 931 |
|
|---|
| 932 |
|
|---|
| 933 |
|
|---|
| 934 |
|
|---|
| 935 |
|
|---|
| 936 | 1;
|
|---|
