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package C4::HTML5Media; |
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package C4::HTML5Media; |
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# Copyright 2012 Mirko Tietgen |
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# Copyright 2012/2015 Mirko Tietgen |
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# |
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# |
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# This file is part of Koha. |
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# This file is part of Koha. |
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# |
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# |
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use warnings;
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use C4::Context; |
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use C4::Context; |
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use MARC::Field; |
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use MARC::Field; |
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use WWW::YouTube::Download qw(playback_url); |
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=head1 HTML5Media |
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=head1 HTML5Media |
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sub gethtml5media {
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my $HTML5MediaParent; |
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my $HTML5MediaParent; |
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my $HTML5MediaWidth; |
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my $HTML5MediaWidth; |
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my @HTML5MediaExtensions = split( /\|/, C4::Context->preference("HTML5MediaExtensions") ); |
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my @HTML5MediaExtensions = split( /\|/, C4::Context->preference("HTML5MediaExtensions") ); |
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my $HTML5MediaYouTube = C4::Context->preference("HTML5MediaYouTube"); |
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my $marcflavour = C4::Context->preference("marcflavour"); |
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my $marcflavour = C4::Context->preference("marcflavour"); |
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my $isyoutube = 0; |
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foreach my $HTML5Media_field (@HTML5Media_fields) { |
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foreach my $HTML5Media_field (@HTML5Media_fields) { |
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my %HTML5Media; |
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my %HTML5Media; |
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# protocol |
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# protocol |
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sub gethtml5media {
Link Here
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# src |
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# src |
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if ( $HTML5Media_field->subfield('u') ) { |
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if ( $HTML5Media_field->subfield('u') ) { |
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$HTML5Media{srcblock} = $HTML5Media_field->subfield('u'); |
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$HTML5Media{srcblock} = $HTML5Media_field->subfield('u'); |
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if (grep /youtube/, $HTML5Media_field->subfield('u') ) { # TODO is there an official YT URL shortener? Can we use that too? |
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if ($HTML5MediaYouTube == 1) { |
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my $youtube = WWW::YouTube::Download->new; |
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$HTML5Media{srcblock} = $youtube->playback_url( |
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$HTML5Media_field->subfield('u'), { |
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'fmt' => '43' #webm is the only format compatible to all modern browsers. maybe check for available qualities |
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} |
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); |
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# TODO handle error if format not availabe. Does that ever occur? |
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$isyoutube = 1; |
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} |
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else { |
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next; # do not embed youtube videos |
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} |
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} |
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} |
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} |
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elsif ( $HTML5Media_field->subfield('a') && $HTML5Media_field->subfield('d') && $HTML5Media_field->subfield('f') ) { |
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elsif ( $HTML5Media_field->subfield('a') && $HTML5Media_field->subfield('d') && $HTML5Media_field->subfield('f') ) { |
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$HTML5Media{host} = $HTML5Media_field->subfield('a'); |
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$HTML5Media{host} = $HTML5Media_field->subfield('a'); |
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$HTML5Media{host} =~ s/(^\/|\/$)//g; |
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$HTML5Media{host} =~ s/(^\/|\/$)//g; |
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$HTML5Media{path} = $HTML5Media_field->subfield('d'); |
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$HTML5Media{path} = $HTML5Media_field->subfield('d'); |
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$HTML5Media{path} =~ s/(^\/|\/$)//g; |
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$HTML5Media{path} =~ s/(^\/|\/$)//g; # TODO we could check for youtube here too, but nobody uses these fields anyway… |
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$HTML5Media{file} = $HTML5Media_field->subfield('f'); |
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$HTML5Media{file} = $HTML5Media_field->subfield('f'); |
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$HTML5Media{srcblock} = $HTML5Media{protocol} . '://' . $HTML5Media{loginblock} . $HTML5Media{host} . $HTML5Media{portblock} . '/' . $HTML5Media{path} . '/' . $HTML5Media{file}; |
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$HTML5Media{srcblock} = $HTML5Media{protocol} . '://' . $HTML5Media{loginblock} . $HTML5Media{host} . $HTML5Media{portblock} . '/' . $HTML5Media{path} . '/' . $HTML5Media{file}; |
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} |
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} |
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else { |
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else { |
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next; # no file to play |
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next; # no file to play |
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} |
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} |
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# extension |
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# extension or youtube |
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$HTML5Media{extension} = ($HTML5Media{srcblock} =~ m/([^.]+)$/)[0]; |
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$HTML5Media{extension} = ($HTML5Media{srcblock} =~ m/([^.]+)$/)[0]; |
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if ( !grep /\Q$HTML5Media{extension}\E/, @HTML5MediaExtensions ) { |
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if ( ( !grep /\Q$HTML5Media{extension}\E/, @HTML5MediaExtensions ) && ( $isyoutube != 1) ) { |
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next; # not a specified media file |
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next; # not a specified media file |
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} |
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} |
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# youtube |
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if ($isyoutube == 1) { |
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$HTML5Media{mime} = 'video/webm'; |
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} |
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# mime |
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# mime |
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if ( $HTML5Media_field->subfield('c') ) { |
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if ( $HTML5Media_field->subfield('c') ) { |
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$HTML5Media{codecs} = $HTML5Media_field->subfield('c'); |
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$HTML5Media{codecs} = $HTML5Media_field->subfield('c'); |
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sub gethtml5media {
Link Here
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} |
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} |
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if ( $HTML5Media{extension} eq 'oga' ) { |
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if ( $HTML5Media{extension} eq 'oga' ) { |
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$HTML5Media{mime} = 'audio/ogg'; |
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$HTML5Media{mime} = 'audio/ogg'; |
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$HTML5Media{codecs} = 'vorbis'; |
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$HTML5Media{codecs} = 'vorbis'; |
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} |
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} |
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elsif ( $HTML5Media{extension} eq 'spx' ) { |
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elsif ( $HTML5Media{extension} eq 'spx' ) { |
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$HTML5Media{mime} = 'audio/ogg'; |
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$HTML5Media{mime} = 'audio/ogg'; |