8 use IPC::Open3 qw(open3);
10 use Data::Dump qw(dump);
15 use Time::HiRes qw(time);
16 use File::Path qw(rmtree);
20 use HTML5TV::hCalendar;
22 my $debug = $ENV{DEBUG} || 0;
23 my $generate = $ENV{GENERATE} || 0;
25 my $movie = shift @ARGV;
27 sub base_dir { $1 if $_[0] =~ m{^(.+)/[^/]+$} }
28 sub base_name { $1 if $_[0] =~ m{^.+/([^/]+)$} }
30 if ( ! $movie && -e 'media/_editing' ) {
31 $movie = 'media/' . readlink('media/_editing') . '/video.ogv';
32 warn "using media/_editing -> $movie\n";
33 } elsif ( -d $movie && $movie =~ m{media/} ) {
34 $movie .= '/video.ogv';
35 } elsif ( -f $movie && $movie =~ m{\.og[vg]\b}i ) {
36 my $movie_master = $movie;
37 $movie = base_dir($movie) . '/video.ogv';
39 symlink base_name($movie_master), $movie;
40 warn "symlink video.ogv -> $movie_master";
42 die "Usage: $0 media/conference-Title_of_talk[/video.ogv'\n";
45 my $media_part = my $media_dir = base_dir($movie);
46 $media_part =~ s{media/}{};
47 $media_part =~ s{/$}{};
49 unlink 'media/_editing';
50 symlink $media_part, 'media/_editing';
52 warn "# media_part $media_part\n";
54 my $edl = "/dev/shm/edl";
55 my $subtitles = $movie;
56 $subtitles =~ s{\.\w+$}{.srt};
60 my $slide_factor = 4; # 1/4 size of video
62 my $min_slide_height = 480;
69 my @mplayer_command = (
73 # '-msglevel', 'demux=9', '-msgmodule',
76 '-vf' => 'screenshot',
79 push @mplayer_command, qw/ -vo null -ao null / if $generate;
81 my $pid = open3( $to_mplayer, $from_mplayer, $err_mplayer, @mplayer_command );
83 my $select = IO::Select->new();
84 #$select->add( \*STDIN );
85 $select->add( $from_mplayer );
86 #$select->add( $err_mplayer );
91 warn "$movie ", -s $movie, " bytes $edl\n";
92 print $to_mplayer qq|loadfile "$movie"\n|;
97 my $term_id = `xdotool getwindowfocus`;
102 $mplayer_id ||= `xdotool search mplayer`;
103 warn "focus_mplayer $mplayer_id\n";
104 system "xdotool windowactivate $mplayer_id"
108 warn "focus_term $term_id\n";
109 system "xdotool windowactivate $term_id";
115 my ( $to, $osd ) = @_;
117 my $preroll_to = $to - $preroll;
118 $preroll_to = 0 if $preroll_to < 0;
119 print $to_mplayer "set_property time_pos $preroll_to\n";
120 my $osd_ms = ( $to - time_pos() ) * 1000;
121 print $to_mplayer "get_property time_pos\n";
122 print $to_mplayer "osd_show_text \"PREROLL $osd\"\n"; # $osd_ms\n";
123 warn "PREROLL $to -> $pos [$osd_ms] $osd\n";
124 print $to_mplayer "play\n";
137 print $to_mplayer $cmd;
144 sprintf "%s/s/%d/%03d.jpg", $media_dir, @_;
150 my $t = join(',', @_);
151 system "oggThumb -t $t -o jpg -n $file $video";
156 return sprintf('%02d:%02d', int($t/60), int($t%60));
159 my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"');
160 my $escape_re = join '|' => keys %escape;
162 my $what = join('',@_);
163 $what =~ s/($escape_re)/$escape{$1}/gs;
164 warn "XXX html_escape $what\n";
170 if ( ! $prop->{width} || ! $prop->{height} ) {
171 warn "SKIP no size yet\n" if $debug;
175 if ( ! @subtitles ) {
176 warn "SKIP no subtitles yet\n";
189 foreach my $s ( @subtitles ) {
190 push @{ $sync->{htmlEvents}->{'#subtitle'} }, {
191 startTime => $s->[0],
196 if ( $s->[2] =~ m{video:(.+)} ) {
198 my $path = "$media_dir/$video";
200 warn "MISSING $path: $!\n";
202 my $frame_dir = "$media_dir/s/$video";
203 system "mplayer -vo jpeg:outdir=$frame_dir,quality=95 -frames 1 -ss 0 -ao null -really-quiet $media_dir/$video"
205 push @videos, [ @$s, $video ];
207 } elsif ( $s->[2] =~ m{slide:(\d+)\s+shot:(\d+\.\d+)} ) {
208 push @frames, [ $2, $1 ] unless -e "$media_dir/s/hires/f$1.jpg";
212 next unless $s->[2] =~ m{\[(\d+)\]};
215 push @{ $sync->{customEvents} }, {
216 startTime => $s->[0],
218 action => 'chapterChange',
220 carousel => 'theCarousel',
223 description => $s->[2],
224 src => slide_jpg( 4 => $1 ),
229 push @slide_t, $s->[0];
232 foreach ( 0 .. $#slide_t ) {
233 my $slide_nr = $_ + 1;
234 push @{ $sync->{htmlEvents}->{'#slide'} }, {
235 startTime => $slide_t[$_],
236 endTime => $slide_t[$_ + 1] || $prop->{length},
237 html => '<img src=' . slide_jpg( 1 => $slide_nr ) . '>',
242 my $max_slide_height = 480; # XXX
244 my $path = "$media_dir/s";
245 my $hires = "$media_dir/s/hires";
248 warn "create slides in $path";
252 my $path = "$media_dir/presentation.pdf";
253 $path = $media_dir . '/' . readlink($path) if -l $path;
256 warn "render pdf slides from $path\n";
257 system "pdftoppm -png -r 100 $path $hires/p";
263 warn "create slides from video frames";
264 rmdir $_ foreach glob "$media_dir/s/[124]";
266 oggThumb $movie, "$hires/.f%.jpg", map { $_->[0] } @frames;
268 foreach my $i ( 0 .. $#frames ) {
269 my $from = "$hires/.f$i.jpg";
270 my $to = "$hires/f" . $frames[$i]->[1] . '.jpg';
271 rename $from, $to || warn "can't rename $from -> $to: $!";
277 my @slides_hires = glob "$hires/*";
280 foreach my $hires ( @slides_hires ) {
282 my ($slide_width, $slide_height) = Graphics::Magick->new->Ping( $hires );
283 my $slide_aspect = $slide_width / $slide_height;
285 my $nr = $1 if $hires =~ m{(\d+)\.\w+$} || warn "can't find number in $hires";
290 foreach my $factor ( 1, 2, 4 ) {
292 mkdir "$path/$factor" unless -e "$path/$factor";
294 my $file = slide_jpg( $factor => $nr );
297 my $w = int( $max_slide_height / $factor * $slide_aspect );
298 my $h = int( $max_slide_height / $factor );
300 warn "slide [$nr] $hires -> ${w}x${h} $file\n";
303 warn "loading $hires ", -s $hires, " bytes\n";
304 $im = Graphics::Magick->new;
305 $im->ReadImage( $hires );
307 $im->Resize( width => $w, height => $h, filter => 13, blur => 0.9 );
309 my $c = 1; # $h / 10;
311 font => 'Sans', pointsize => $h / 10,
312 #text => "$factor = $w*$h",
320 #warn "# info ", dump %info;
321 #warn dump $im->QueryFontMetrics( %info );
322 my ($x_ppem, $y_ppem, $ascender, $descender, $width, $height, $max_advance) = $im->QueryFontMetrics( %info );
323 my $background = Graphics::Magick->new( size => $width . 'x' . $height );
324 $background->ReadImage( 'xc:black' );
325 $im->Composite( image => $background, compose => 'Over', x => $c, y => $c, opacity => 75 );
326 $info{y} += $ascender;
327 $im->Annotate( fill => 'yellow', %info );
331 $im->Write( filename => $file );
337 my $bars = "$path/bars.png";
338 if ( 1 || ! -e $bars ) { # FIXME
339 my $im = Graphics::Magick->new;
340 $im->ReadImage( "$media_dir/../SMPTE_Color_Bars.svg" );
341 my ($slide_width, $slide_height) = Graphics::Magick->new->Ping( slide_jpg( 1 => 1 ) );
342 $im->Resize( width => $slide_width, height => $slide_height );
343 $im->Write( filename => $bars );
344 warn "created $bars ", -s $bars, " bytes\n";
348 my ($slide_width, $slide_height, $size, $format) = Graphics::Magick->new->Ping( slide_jpg( 1 => 1 ) );
349 my ($c_slide_width, $c_slide_height) = Graphics::Magick->new->Ping( slide_jpg( $slide_factor => 1 ) );
355 width => $slide_width,
356 height => $slide_height,
359 width => $c_slide_width,
360 height => $c_slide_height,
364 $html5tv->{html}->{video_tags} =
371 push @{ $html5tv->{sync}->{customEvents} }, {
372 startTime => $s->[0],
374 action => 'additional_video',
378 description => $s->[2],
379 src => "$media_dir/s/$s->[3]/00000001.jpg",
385 <video id="$id" style="display: none" controls="controls" width="$html5tv->{video}->{width}px" height="$html5tv->{video}->{height}px">
386 <source src="$media_dir/$_->[3]" />
393 my @customEvents_sorted;
395 if ( ref $html5tv->{sync}->{customEvents} ne 'ARRAY' ) {
397 warn "ERROR: no slide markers [1] .. [", scalar @slides_hires, "] in subtitles\n";
400 @customEvents_sorted =
401 sort { $a->{startTime} <=> $b->{startTime} }
402 @{ $html5tv->{sync}->{customEvents} }
408 $_->{args}->{index} = $index++ foreach @customEvents_sorted;
410 warn "last customEvent $index\n";
412 $html5tv->{html}->{subtitles_table}
414 <table id="subtitles">
415 <tr><th>⇤</th><th>⇥</th><th>#</th><th>slide</th></tr>
419 my $s = $_->{startTime};
420 my $e = $_->{endTime};
422 my $t = html_escape( $_->{args}->{title} );
424 $slide = $1 if $t =~ s{\s*\[(\d+)\]\s*}{};
426 my ( $s_f, $e_f ) = map { fmt_mmss $_ } ( $s, $e );
430 <td class="seek_video"><a href="#$s">$s_f</a></td>
431 <td class="seek_video"><a href="#$e">$e_f</a></td>
432 <td class="slide">$slide</td>
442 my $hCalendar = '<div style="color: red">Create <tt>hCalendar.html</tt> to fill this space</div>';
443 my $hcal_path = "$media_dir/hCalendar.html";
444 if ( -e $hcal_path ) {
445 $html5tv->{hCalendar} = read_file $hcal_path;
446 my $hcal = HTML5TV::hCalendar->new( $hcal_path );
447 $html5tv->{title} = $hcal->summary;
450 foreach my $file ( qw/video.ogv presentation.pdf video.srt video.srt.yaml/ ) {
451 my $path = "$media_dir/$file";
453 $type = $1 if $file =~ m{\.([^\.]+)$};
455 $html5tv->{html}->{download} .= qq|<a href="$path" title="$file $size bytes">$type</a> |;
458 warn "# html5tv ", dump $html5tv if $debug;
460 my $html = read_file 'www/tv.html';
461 $html =~ s|{([^}]+)}|my $n = $1; $n =~ s(\.)(}->{)g; eval "\$html5tv->{$n}"|egs ||
462 warn "no interpolation in template!";
464 write_file "www/_editing.html", $html;
465 $html =~ s{media/_editing}{media/$media_part}gs;
466 write_file "www/$media_part.html", $html;
468 my $sync_path = "$media_dir/video.js";
469 delete $html5tv->{html};
470 write_file $sync_path, "var html5tv = " . to_json($html5tv) . " ;\n";
471 warn "sync $sync_path ", -s $sync_path, " bytes\n";
473 # video + full-sized slide on right
474 my $carousel_width = $prop->{width} + $slide_width;
475 $carousel_width -= $carousel_width % ( $c_slide_width + 6 ); # round to full slide
476 my $carousel_height = $c_slide_height + 2;
479 write_file "$media_dir/video.css", qq|
481 .jcarousel-skin-ie7 .jcarousel-container-horizontal,
482 .jcarousel-skin-ie7 .jcarousel-clip-horizontal {
483 width: ${carousel_width}px;
484 height: ${carousel_height}px;
487 .jcarousel-skin-ie7 .jcarousel-item {
488 width: ${c_slide_width}px;
489 height: ${c_slide_height}px;
494 // width: $prop->{width}px;
495 // height: $prop->{height}px;
496 margin: 0 10px 0px 0;
500 div#slide_border, div#slide {
501 width: ${slide_width}px;
502 height: ${slide_height}px;
507 width: $html5tv->{video}->{width}px;
512 .jcarousel-skin-ie7 .jcarousel-item div.thumbnailOverlay {
513 width: ${c_slide_width}px;
524 my $hh = int( $t / 3600 );
526 my $mm = int( $t / 60 );
528 my $srt = sprintf "%02d:%02d:%04.1f", $hh, $mm, $t;
541 foreach my $s ( @subtitles ) {
543 . t_srt( $s->[0] ) . " --> " . t_srt( $s->[1] ) . "\n"
549 write_file $subtitles, $srt;
550 YAML::DumpFile "$subtitles.yaml", sort { $a->[0] <=> $b->[0] } @subtitles;
554 , qq|sub_load "$subtitles"\n|
559 sub annotate_subtitles;
562 if ( ! -e "$subtitles.yaml" ) {
563 warn "no subtitles $subtitles to load\n";
566 @subtitles = YAML::LoadFile "$subtitles.yaml";
567 warn "subtitles ", dump @subtitles;
573 print $to_mplayer qq|pause\n|;
577 open( my $fh, '<', "$subtitles.yaml" ) || die $1;
579 last if /^-\s([\d\.]+)/ && $1 > $pos;
580 $jump_to = $line - 1 if /^---/;
584 system( qq|vi +$jump_to "$subtitles.yaml"| ) == 0 and load_subtitles;
590 if ( -e "$media_dir/presentation.txt" ) {
591 my $slides = read_file "$media_dir/presentation.txt";
592 my @s = ( map { [ split(/[\n\r]+/, $_) ] } split(/\f/, $slides) );
595 $slide_line++ if $s[1]->[$slide_line] eq $s[2]->[$slide_line]; # skip header
597 foreach my $s ( @s ) {
598 push @slide_titles, $s->[$slide_line];
601 warn "# slides titles ", dump(@slide_titles);
604 sub annotate_subtitles {
605 return unless @slide_titles;
606 foreach my $s ( @subtitles ) {
607 if ( $s->[2] =~ m{^\[(\d+)\]$} ) {
608 if ( my $title = $slide_titles[ $1 - 1 ] ) {
609 $s->[2] = "[$1] " . substr($title,0,40);
610 warn "annotated [$1] $title\n";
620 foreach ( 0 .. $#subtitles ) {
621 my $i = $#subtitles - $_;
622 $last_slide = $1 if $subtitles[$i]->[2] =~ m/\[(\d+)\]/;
626 if ( $last_slide && $subtitles[ $#subtitles ]->[2] ne '-' || ! @subtitles ) {
628 # quick add next slide for Takahashi method presentations
629 # with a lot of transitions
630 my $nr = $last_slide + 1;
632 $text .= ' ' . $slide_titles[ $nr - 1 ] if defined $slide_titles[ $nr - 1 ];
633 warn "add slide $text";
634 push @subtitles, [ $pos, $pos + 1, $text ];
640 print $to_mplayer qq|pause\n|;
642 warn "subtitles ", dump( @subtitles ), "\nnext: [", $last_slide + 1, "]\n";
648 $subtitles[ $#subtitles ]->[2] = $line if defined $line;
652 preroll $subtitles[ $#subtitles ]->[0], $line;
656 print $to_mplayer qq|get_property time_pos\n|;
657 my $line = <$from_mplayer>;
658 if ( $line =~ m{^ANS_time_pos=(\d+\.\d+)} ) {
659 warn "# time_pos $1\n";
667 sprintf "%1.5f - %1.5f %s %s\n", @$s, join(' | ',@_);
671 my $s = ( grep { $_->[0] < $pos } @subtitles )[-1] || return;
672 warn "<<<< subtitle ", sub_fmt $s;
673 preroll $s->[0], $s->[2];
674 # print $to_mplayer "set_property time_pos $s->[0]\n";
678 my $s = ( grep { $_->[0] > $pos } @subtitles )[0] || return;
679 warn ">>>> subtitle ", sub_fmt $s;
680 preroll $s->[0], $s->[2];
681 # print $to_mplayer "set_property time_pos $s->[0]\n";
684 sub current_subtitle {
685 my $callback = shift;
687 foreach my $nr ( 0 .. $#subtitles ) {
688 my $s = $subtitles[$nr];
689 if ( $s->[0] <= $pos && $s->[1] >= $pos ) {
690 warn sub_fmt $s, $pos;
692 $callback->( $visible, $pos ) if $callback;
693 return ( $visible, $pos );
696 warn "# $pos no visible subtitle\n";
701 current_subtitle( sub {
702 my ( $nr, $pos ) = @_;
703 my $new_start = $subtitles[$nr]->[0] += $offset;
704 warn "subtitle $nr $pos $offset $new_start\n";
706 preroll $new_start, "$pos $offset $new_start";
712 # XXX main epool loop
716 my $slides = HTML5TV::Slides->new(
718 my $t = shift || return;
720 foreach my $s ( @subtitles ) {
721 $nr = $1 if $s->[2] =~ m{\[(\d+)\]} && $s->[0] < $t;
731 if ( $line =~ m{V:\s*(\d+\.\d+)\s+} ) {
734 # $pos = $1 if $1 > 0.2; # mplayer demuxer report fake position while seeking
735 } elsif ( $line =~ m{Exiting} ) {
737 } elsif ( $line =~ m{ANS_(\w+)=(\S+)} ) {
739 warn "prop $1 = $2\n";
740 } elsif ( $line =~ m{No bind found for key '(.+)'} ) {
742 # XXX keyboard shortcuts
745 : $1 eq ',' ? add_subtitle
746 : $1 eq 'F1' ? prev_subtitle
747 : $1 eq 'F2' ? move_subtitle( -0.3 )
748 : $1 eq 'F3' ? move_subtitle( +0.3 )
749 : $1 eq 'F4' ? next_subtitle
750 : $1 eq 'F5' ? save_subtitles
751 : $1 eq 'F9' ? add_subtitle
752 : $1 eq 'F12' ? edit_subtitles
756 } elsif ( $line =~ m{EDL}i ) {
758 print $to_mplayer qq|osd_show_text "$line"\n|;
760 if ( $line =~ m{start}i ) {
761 push @subtitles, [ $pos, $pos, '-' ];
763 $subtitles[ $#subtitles ]->[1] = $pos;
765 } elsif ( $line =~ m{(shot\d+.png)} ) {
767 warn "shot $pos $shot\n";
769 my @existing_slides = glob("$media_dir/s/hires/*");
770 my $nr = $#existing_slides + 2;
772 push @subtitles, [ $pos, $pos, "slide:$nr shot:$pos" ];
774 warn "slide $nr from video $pos file $shot\n";
776 } elsif ( $line =~ m{File not found} ) {
779 warn "IGNORE $line\n"; # if $debug;
784 my @mplayer_prop = ( qw/metadata video_codec video_bitrate width height fps/ );
786 if ( my $l = `oggLength $movie` ) {
788 $prop->{length} = $l;
789 warn "$movie length ", fmt_mmss( $l );
791 push @mplayer_prop, 'length' unless $prop->{length};
793 push @to_mplayer, "get_property $_\n" foreach grep { ! $prop->{$_} } @mplayer_prop;
798 push @to_mplayer, 'pause' if $generate;
803 if ( abs($dt) > 0.2 ) {
805 $slides->show( $pos, $prop->{length}, @subtitles ) if $prop->{length};
809 foreach my $fd ( $select->can_read(0.1) ) {
810 if ( $fd == $from_mplayer ) {
812 sysread $from_mplayer, $ch, 1;
813 if ( $ch =~ m{[\n\r]} ) {
820 warn "unknown fd $fd";
824 if ( my $cmd = shift @to_mplayer ) {
826 print $to_mplayer $cmd;
829 if ( $generate && html5tv() ) {