8 use IPC::Open3 qw(open3);
10 use Data::Dump qw(dump);
15 use Time::HiRes qw(time);
16 use File::Path qw(rmtree);
21 use HTML5TV::hCalendar;
23 my $debug = $ENV{DEBUG} || 0;
24 my $generate = $ENV{GENERATE} || 0;
26 my $video_url; # override mplayer movie url
29 'video-url=s' => \$video_url,
32 my $movie = shift @ARGV;
34 sub base_dir { $1 if $_[0] =~ m{^(.+)/[^/]+$} }
35 sub base_name { $1 if $_[0] =~ m{^.+/([^/]+)$} }
37 if ( ! $movie && -e 'media/_editing' ) {
38 $movie = 'media/' . readlink('media/_editing') . '/video.ogv';
39 warn "using media/_editing -> $movie\n";
40 } elsif ( -d $movie && $movie =~ m{media/} ) {
41 $movie .= '/video.ogv';
42 } elsif ( -f $movie && $movie =~ m{\.og[vg]\b}i ) {
43 my $movie_master = $movie;
44 $movie = base_dir($movie) . '/video.ogv';
45 unlink $movie if -e $movie;
46 symlink base_name($movie_master), $movie;
47 warn "symlink video.ogv -> $movie_master";
48 } elsif ( $video_url ) {
49 warn "video_url: $video_url\n";
51 die "Usage: $0 media/conference-Title_of_talk[/video.ogv'\n";
54 my $media_part = my $media_dir = base_dir($movie);
55 $media_part =~ s{media/}{};
56 $media_part =~ s{/$}{};
58 unlink 'media/_editing';
59 symlink $media_part, 'media/_editing';
61 warn "# media_part $media_part\n";
63 my $edl = "/dev/shm/edl";
64 my $subtitles = $movie;
65 $subtitles =~ s{\.\w+$}{.srt};
69 my $slide_factor = 4; # 1/4 size of video
71 my $min_slide_height = 480;
78 my @mplayer_command = (
82 # '-msglevel', 'demux=9', '-msgmodule',
85 '-vf' => 'screenshot',
88 push @mplayer_command, qw/ -vo null -ao null / if $generate;
90 my $pid = open3( $to_mplayer, $from_mplayer, $err_mplayer, @mplayer_command );
92 my $select = IO::Select->new();
93 #$select->add( \*STDIN );
94 $select->add( $from_mplayer );
95 #$select->add( $err_mplayer );
100 warn "$movie ", -s $movie, " bytes $edl\n";
101 my $url = $video_url || $movie;
102 warn "loadfile $url\n";
103 print $to_mplayer qq|loadfile "$url"\n|;
108 my $term_id = `xdotool getwindowfocus`;
113 $mplayer_id ||= `xdotool search mplayer`;
114 warn "focus_mplayer $mplayer_id\n";
115 system "xdotool windowactivate $mplayer_id"
119 warn "focus_term $term_id\n";
120 system "xdotool windowactivate $term_id";
126 my ( $to, $osd ) = @_;
128 my $preroll_to = $to - $preroll;
129 $preroll_to = 0 if $preroll_to < 0;
130 print $to_mplayer "set_property time_pos $preroll_to\n";
131 my $osd_ms = ( $to - time_pos() ) * 1000;
132 print $to_mplayer "get_property time_pos\n";
133 print $to_mplayer "osd_show_text \"PREROLL $osd\"\n"; # $osd_ms\n";
134 warn "PREROLL $to -> $pos [$osd_ms] $osd\n";
135 print $to_mplayer "play\n";
148 print $to_mplayer $cmd;
155 sprintf "%s/s/%d/%03d.jpg", $media_dir, @_;
161 my $t = join(',', @_);
162 system "oggThumb -t $t -o jpg -n $file $video";
167 return sprintf('%02d:%02d', int($t/60), int($t%60));
170 my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"');
171 my $escape_re = join '|' => keys %escape;
173 my $what = join('',@_);
174 $what =~ s/($escape_re)/$escape{$1}/gs;
175 warn "XXX html_escape $what\n";
181 if ( ! $prop->{width} || ! $prop->{height} ) {
182 warn "SKIP no size yet\n" if $debug;
186 if ( ! @subtitles ) {
187 warn "SKIP no subtitles yet\n";
200 foreach my $s ( @subtitles ) {
201 push @{ $sync->{htmlEvents}->{'#subtitle'} }, {
202 startTime => $s->[0],
207 if ( $s->[2] =~ m{video:(.+)} ) {
209 my $path = "$media_dir/$video";
211 warn "MISSING $path: $!\n";
213 my $frame_dir = "$media_dir/s/$video";
214 system "mplayer -vo jpeg:outdir=$frame_dir,quality=95 -frames 1 -ss 0 -ao null -really-quiet $media_dir/$video"
216 push @videos, [ @$s, $video ];
218 } elsif ( $s->[2] =~ m{slide:(\d+)\s+shot:(\d+\.\d+)} ) {
219 push @frames, [ $2, $1 ] unless -e "$media_dir/s/hires/f$1.jpg";
223 next unless $s->[2] =~ m{\[(\d+)\]};
226 push @{ $sync->{customEvents} }, {
227 startTime => $s->[0],
229 action => 'chapterChange',
231 carousel => 'theCarousel',
234 description => $s->[2],
235 src => slide_jpg( 4 => $1 ),
240 push @slide_t, $s->[0];
243 foreach ( 0 .. $#slide_t ) {
244 my $slide_nr = $_ + 1;
245 push @{ $sync->{htmlEvents}->{'#slide'} }, {
246 startTime => $slide_t[$_],
247 endTime => $slide_t[$_ + 1] || $prop->{length},
248 html => '<img src=' . slide_jpg( 1 => $slide_nr ) . '>',
253 my $max_slide_height = 480; # XXX
255 my $path = "$media_dir/s";
256 my $hires = "$media_dir/s/hires";
259 warn "create slides in $path";
263 my $path = "$media_dir/presentation.pdf";
264 $path = $media_dir . '/' . readlink($path) if -l $path;
267 warn "render pdf slides from $path\n";
268 system "pdftoppm -png -r 100 $path $hires/p";
274 warn "create slides from video frames";
275 # rmdir $_ foreach glob "$media_dir/s/[124]";
277 oggThumb $movie, "$hires/.f%.jpg", map { $_->[0] } @frames;
279 foreach my $i ( 0 .. $#frames ) {
280 my $from = "$hires/.f$i.jpg";
281 my $to = "$hires/f" . $frames[$i]->[1] . '.jpg';
282 rename $from, $to || warn "can't rename $from -> $to: $!";
288 my @slides_hires = glob "$hires/*";
291 foreach my $hires ( @slides_hires ) {
293 my ($slide_width, $slide_height) = Graphics::Magick->new->Ping( $hires );
294 my $slide_aspect = $slide_width / $slide_height;
296 my $nr = $1 if $hires =~ m{(\d+)\.\w+$} || warn "can't find number in $hires";
301 foreach my $factor ( 1, 2, 4 ) {
303 mkdir "$path/$factor" unless -e "$path/$factor";
305 my $file = slide_jpg( $factor => $nr );
308 my $w = int( $max_slide_height / $factor * $slide_aspect );
309 my $h = int( $max_slide_height / $factor );
311 warn "slide [$nr] $hires -> ${w}x${h} $file\n";
314 warn "loading $hires ", -s $hires, " bytes\n";
315 $im = Graphics::Magick->new;
316 $im->ReadImage( $hires );
318 $im->Resize( width => $w, height => $h, filter => 13, blur => 0.9 );
320 my $c = 1; # $h / 10;
322 font => 'Sans', pointsize => $h / 10,
323 #text => "$factor = $w*$h",
331 #warn "# info ", dump %info;
332 #warn dump $im->QueryFontMetrics( %info );
333 my ($x_ppem, $y_ppem, $ascender, $descender, $width, $height, $max_advance) = $im->QueryFontMetrics( %info );
334 my $background = Graphics::Magick->new( size => $width . 'x' . $height );
335 $background->ReadImage( 'xc:black' );
336 $im->Composite( image => $background, compose => 'Over', x => $c, y => $c, opacity => 75 );
337 $info{y} += $ascender;
338 $im->Annotate( fill => 'yellow', %info );
342 $im->Write( filename => $file );
348 my $bars = "$path/bars.png";
349 if ( 1 || ! -e $bars ) { # FIXME
350 my $im = Graphics::Magick->new;
351 $im->ReadImage( "$media_dir/../SMPTE_Color_Bars.svg" );
352 my ($slide_width, $slide_height) = Graphics::Magick->new->Ping( slide_jpg( 1 => 1 ) );
353 $im->Resize( width => $slide_width, height => $slide_height );
354 $im->Write( filename => $bars );
355 warn "created $bars ", -s $bars, " bytes\n";
359 my ($slide_width, $slide_height, $size, $format) = Graphics::Magick->new->Ping( slide_jpg( 1 => 1 ) );
360 my ($c_slide_width, $c_slide_height) = Graphics::Magick->new->Ping( slide_jpg( $slide_factor => 1 ) );
366 width => $slide_width,
367 height => $slide_height,
370 width => $c_slide_width,
371 height => $c_slide_height,
375 $html5tv->{html}->{video_tags} =
382 push @{ $html5tv->{sync}->{customEvents} }, {
383 startTime => $s->[0],
385 action => 'additional_video',
389 description => $s->[2],
390 src => "$media_dir/s/$s->[3]/00000001.jpg",
396 <video id="$id" style="display: none" controls="controls" width="$html5tv->{video}->{width}px" height="$html5tv->{video}->{height}px">
397 <source src="$media_dir/$_->[3]" />
404 my @customEvents_sorted;
406 if ( ref $html5tv->{sync}->{customEvents} ne 'ARRAY' ) {
408 warn "ERROR: no slide markers [1] .. [", scalar @slides_hires, "] in subtitles\n";
411 @customEvents_sorted =
412 sort { $a->{startTime} <=> $b->{startTime} }
413 @{ $html5tv->{sync}->{customEvents} }
419 $_->{args}->{index} = $index++ foreach @customEvents_sorted;
421 warn "last customEvent $index\n";
423 $html5tv->{html}->{subtitles_table}
425 <table id="subtitles">
426 <tr><th>⇤</th><th>⇥</th><th>#</th><th>slide</th></tr>
430 my $s = $_->{startTime};
431 my $e = $_->{endTime};
433 my $t = html_escape( $_->{args}->{title} );
435 $slide = $1 if $t =~ s{\s*\[(\d+)\]\s*}{};
437 my ( $s_f, $e_f ) = map { fmt_mmss $_ } ( $s, $e );
441 <td class="seek_video"><a href="#$s">$s_f</a></td>
442 <td class="seek_video"><a href="#$e">$e_f</a></td>
443 <td class="slide">$slide</td>
453 my $hCalendar = '<div style="color: red">Create <tt>hCalendar.html</tt> to fill this space</div>';
454 my $hcal_path = "$media_dir/hCalendar.html";
455 if ( -e $hcal_path ) {
456 $html5tv->{hCalendar} = read_file $hcal_path;
457 my $hcal = HTML5TV::hCalendar->new( $hcal_path );
458 $html5tv->{title} = $hcal->summary;
461 foreach my $file ( qw/video.ogv presentation.pdf video.srt video.srt.yaml/ ) {
462 my $path = "$media_dir/$file";
464 $type = $1 if $file =~ m{\.([^\.]+)$};
466 $html5tv->{html}->{download} .= qq|<a href="$path" title="$file $size bytes">$type</a> |;
469 warn "# html5tv ", dump $html5tv if $debug;
471 my $html = read_file 'www/tv.html';
472 $html =~ s|{([^}]+)}|my $n = $1; $n =~ s(\.)(}->{)g; eval "\$html5tv->{$n}"|egs ||
473 warn "no interpolation in template!";
475 write_file "www/_editing.html", $html;
476 $html =~ s{media/_editing}{media/$media_part}gs;
477 write_file "www/$media_part.html", $html;
479 my $sync_path = "$media_dir/video.js";
480 delete $html5tv->{html};
481 write_file $sync_path, "var html5tv = " . to_json($html5tv) . " ;\n";
482 warn "sync $sync_path ", -s $sync_path, " bytes\n";
484 # video + full-sized slide on right
485 my $carousel_width = $prop->{width} + $slide_width;
486 $carousel_width -= $carousel_width % ( $c_slide_width + 6 ); # round to full slide
487 my $carousel_height = $c_slide_height + 2;
490 write_file "$media_dir/video.css", qq|
492 .jcarousel-skin-ie7 .jcarousel-container-horizontal,
493 .jcarousel-skin-ie7 .jcarousel-clip-horizontal {
494 width: ${carousel_width}px;
495 height: ${carousel_height}px;
498 .jcarousel-skin-ie7 .jcarousel-item {
499 width: ${c_slide_width}px;
500 height: ${c_slide_height}px;
505 // width: $prop->{width}px;
506 // height: $prop->{height}px;
507 margin: 0 10px 0px 0;
511 div#slide_border, div#slide {
512 width: ${slide_width}px;
513 height: ${slide_height}px;
518 width: $html5tv->{video}->{width}px;
523 .jcarousel-skin-ie7 .jcarousel-item div.thumbnailOverlay {
524 width: ${c_slide_width}px;
535 my $hh = int( $t / 3600 );
537 my $mm = int( $t / 60 );
539 my $srt = sprintf "%02d:%02d:%04.1f", $hh, $mm, $t;
548 YAML::DumpFile "$subtitles.yaml", sort { $a->[0] <=> $b->[0] } @subtitles if @subtitles;
554 foreach my $s ( @subtitles ) {
556 . t_srt( $s->[0] ) . " --> " . t_srt( $s->[1] ) . "\n"
562 write_file $subtitles, $srt;
566 , qq|sub_load "$subtitles"\n|
571 sub annotate_subtitles;
574 if ( ! -e "$subtitles.yaml" ) {
575 warn "no subtitles $subtitles to load\n";
578 @subtitles = YAML::LoadFile "$subtitles.yaml";
579 warn "subtitles ", dump @subtitles;
585 print $to_mplayer qq|pause\n|;
589 open( my $fh, '<', "$subtitles.yaml" ) || die $1;
591 last if /^-\s([\d\.]+)/ && $1 > $pos;
592 $jump_to = $line - 1 if /^---/;
596 system( qq|vi +$jump_to "$subtitles.yaml"| ) == 0 and load_subtitles;
602 if ( -e "$media_dir/presentation.txt" ) {
603 my $slides = read_file "$media_dir/presentation.txt";
604 my @s = ( map { [ split(/[\n\r]+/, $_) ] } split(/\f/, $slides) );
607 $slide_line++ if $s[1]->[$slide_line] eq $s[2]->[$slide_line]; # skip header
609 foreach my $s ( @s ) {
610 push @slide_titles, $s->[$slide_line];
613 warn "# slides titles ", dump(@slide_titles);
616 sub annotate_subtitles {
617 return unless @slide_titles;
618 foreach my $s ( @subtitles ) {
619 if ( $s->[2] =~ m{^\[(\d+)\]$} ) {
620 if ( my $title = $slide_titles[ $1 - 1 ] ) {
621 $s->[2] = "[$1] " . substr($title,0,40);
622 warn "annotated [$1] $title\n";
632 foreach ( 0 .. $#subtitles ) {
633 my $i = $#subtitles - $_;
634 $last_slide = $1 if $subtitles[$i]->[2] =~ m/\[(\d+)\]/;
638 if ( $last_slide && $subtitles[ $#subtitles ]->[2] ne '-' || ! @subtitles ) {
640 # quick add next slide for Takahashi method presentations
641 # with a lot of transitions
642 my $nr = $last_slide + 1;
644 $text .= ' ' . $slide_titles[ $nr - 1 ] if defined $slide_titles[ $nr - 1 ];
645 warn "add slide $text";
646 push @subtitles, [ $pos, $pos + 1, $text ];
652 print $to_mplayer qq|pause\n|;
654 warn "subtitles ", dump( @subtitles ), "\nnext: [", $last_slide + 1, "]\n";
660 $subtitles[ $#subtitles ]->[2] = $line if defined $line;
664 preroll $subtitles[ $#subtitles ]->[0], $line;
668 print $to_mplayer qq|get_property time_pos\n|;
669 my $line = <$from_mplayer>;
670 if ( $line =~ m{^ANS_time_pos=(\d+\.\d+)} ) {
671 warn "# time_pos $1\n";
679 sprintf "%1.5f - %1.5f %s %s\n", @$s, join(' | ',@_);
683 my $s = ( grep { $_->[0] < $pos } @subtitles )[-1] || return;
684 warn "<<<< subtitle ", sub_fmt $s;
685 preroll $s->[0], $s->[2];
686 # print $to_mplayer "set_property time_pos $s->[0]\n";
690 my $s = ( grep { $_->[0] > $pos } @subtitles )[0] || return;
691 warn ">>>> subtitle ", sub_fmt $s;
692 preroll $s->[0], $s->[2];
693 # print $to_mplayer "set_property time_pos $s->[0]\n";
696 sub current_subtitle {
697 my $callback = shift;
699 foreach my $nr ( 0 .. $#subtitles ) {
700 my $s = $subtitles[$nr];
701 if ( $s->[0] <= $pos && $s->[1] >= $pos ) {
702 warn sub_fmt $s, $pos;
704 $callback->( $visible, $pos ) if $callback;
705 return ( $visible, $pos );
708 warn "# $pos no visible subtitle\n";
713 current_subtitle( sub {
714 my ( $nr, $pos ) = @_;
715 my $new_start = $subtitles[$nr]->[0] += $offset;
716 warn "subtitle $nr $pos $offset $new_start\n";
718 preroll $new_start, "$pos $offset $new_start";
724 # XXX main epool loop
728 my $slides = HTML5TV::Slides->new(
730 my $t = shift || return;
732 foreach my $s ( @subtitles ) {
733 $nr = $1 if $s->[2] =~ m{\[(\d+)\]} && $s->[0] < $t;
743 if ( $line =~ m{V:\s*(\d+\.\d+)\s+} ) {
746 # $pos = $1 if $1 > 0.2; # mplayer demuxer report fake position while seeking
747 } elsif ( $line =~ m{Exiting} ) {
749 } elsif ( $line =~ m{ANS_(\w+)=(\S+)} ) {
751 warn "prop $1 = $2\n";
752 } elsif ( $line =~ m{No bind found for key '(.+)'} ) {
754 # XXX keyboard shortcuts
757 : $1 eq ',' ? add_subtitle
758 : $1 eq 'F1' ? prev_subtitle
759 : $1 eq 'F2' ? move_subtitle( -0.3 )
760 : $1 eq 'F3' ? move_subtitle( +0.3 )
761 : $1 eq 'F4' ? next_subtitle
762 : $1 eq 'F5' ? save_subtitles
763 : $1 eq 'F9' ? add_subtitle
764 : $1 eq 'F12' ? edit_subtitles
768 } elsif ( $line =~ m{EDL}i ) {
770 print $to_mplayer qq|osd_show_text "$line"\n|;
772 if ( $line =~ m{start}i ) {
773 push @subtitles, [ $pos, $pos, '-' ];
775 $subtitles[ $#subtitles ]->[1] = $pos;
777 } elsif ( $line =~ m{(shot\d+.png)} ) {
779 warn "shot $pos $shot\n";
781 my @existing_slides = glob("$media_dir/s/hires/*");
782 my $nr = $#existing_slides + 2;
784 push @subtitles, [ $pos, $pos, "slide:$nr shot:$pos" ];
786 warn "slide $nr from video $pos file $shot\n";
788 } elsif ( $line =~ m{File not found} ) {
791 warn "IGNORE $line\n"; # if $debug;
796 my @mplayer_prop = ( qw/metadata video_codec video_bitrate width height fps/ );
798 if ( my $l = `oggLength $movie` ) {
800 $prop->{length} = $l;
801 warn "$movie length ", fmt_mmss( $l );
803 push @mplayer_prop, 'length' unless $prop->{length};
805 push @to_mplayer, "get_property $_\n" foreach grep { ! $prop->{$_} } @mplayer_prop;
809 push @to_mplayer, 'pause' if $generate;
814 if ( abs($dt) > 0.2 ) {
816 $slides->show( $pos, $prop->{length}, @subtitles ) if $prop->{length};
820 foreach my $fd ( $select->can_read(0.1) ) {
821 if ( $fd == $from_mplayer ) {
823 sysread $from_mplayer, $ch, 1;
824 if ( $ch =~ m{[\n\r]} ) {
831 warn "unknown fd $fd";
835 if ( my $cmd = shift @to_mplayer ) {
837 print $to_mplayer $cmd;
840 if ( $generate && html5tv() ) {