use warnings;
use strict;
-use lib 'lib';
-use Audio::Play::MPlayer;
+use IPC::Open3 qw(open3);
+use IO::Epoll;
+use Data::Dump qw(dump);
+use File::Slurp;
+use YAML;
+use JSON;
+use HTML::TreeBuilder;
+use Imager;
-my $movie = shift @ARGV || die "usage: $0 path/to/movie.ogv\n";
-my $player = Audio::Play::MPlayer->new;
-$player->load( $movie );
-print "$movie ", -s $movie, " bytes ", $player->title, "\n";
-$player->poll( 1 ) until $player->state == 0;
+my $movie = shift @ARGV;
+
+sub base_dir { $1 if $_[0] =~ m{^(.+)/[^/]+$} }
+
+if ( ! $movie && -e 'media/_editing' ) {
+ $movie = 'media/' . readlink('media/_editing') . '/video.ogv';
+ warn "using media/_editing -> $movie\n";
+} elsif ( -d $movie && $movie =~ m{media/} ) {
+ $movie .= '/video.ogv';
+} elsif ( -f $movie && $movie !~ m{video\.ogv} ) {
+ my $movie_master = $movie;
+ my $to = $movie = base_dir($movie) . '/video.ogv';
+ $to =~ s{media/}{};
+ symlink $movie_master, $to;
+ warn "symlink $to -> $movie\n";
+} elsif ( -f $movie ) {
+ warn "using video $movie";
+} else {
+ die "Usage: $0 media/conference-Title_of_talk[/video.ogv'\n";
+}
+
+my $media_part = my $media_dir = base_dir($movie);
+$media_part =~ s{media/}{};
+
+unlink 'media/_editing';
+symlink $media_part, 'media/_editing';
+
+warn "# media_part $media_part\n";
+
+my $edl = "/dev/shm/edl";
+my $subtitles = $movie;
+$subtitles =~ s{\.\w+$}{.srt};
+
+my $preroll = 3;
+
+my $slide_factor = 4; # 1/4 size of video
+
+our $to_mplayer;
+our $from_mplayer;
+our $err_mplayer;
+our $prop = {};
+
+my $pid = open3( $to_mplayer, $from_mplayer, $err_mplayer,
+ 'mplayer',
+ '-slave', '-idle',
+ '-quiet',
+ '-edlout', $edl,
+ '-osdlevel', 3,
+ '-vf' => 'screenshot',
+);
+
+my $epfd = epoll_create(10);
+
+epoll_ctl($epfd, EPOLL_CTL_ADD, fileno STDIN , EPOLLIN ) >= 0 || die $!;
+epoll_ctl($epfd, EPOLL_CTL_ADD, fileno $from_mplayer , EPOLLIN ) >= 0 || die $!;
+#epoll_ctl($epfd, EPOLL_CTL_ADD, fileno $to_mplayer , EPOLLOUT ) >= 0 || die $!;
+
+sub load_subtitles;
+
+sub load_movie {
+ warn "$movie ", -s $movie, " bytes $edl\n";
+ print $to_mplayer qq|loadfile "$movie"\n|;
+ print $to_mplayer "get_property $_\n" foreach ( qw/metadata video_codec video_bitrate width height fps length/ );
+ load_subtitles;
+}
+
+
+my $term_id = `xdotool getwindowfocus`;
+our $mplayer_id;
+
+
+sub focus_mplayer {
+ $mplayer_id ||= `xdotool search mplayer`;
+ warn "focus_mplayer $mplayer_id\n";
+ system "xdotool windowactivate $mplayer_id"
+}
+
+sub focus_term {
+ warn "focus_term $term_id\n";
+ system "xdotool windowactivate $term_id";
+}
+
+sub preroll {
+ my ( $pos, $osd ) = @_;
+ $osd =~ s{\W+}{ }gs;
+ warn "PREROLL $pos $osd\n";
+ print $to_mplayer "osd_show_text \"PREROLL $osd\" ", $preroll * 1000, "\n";
+ my $to = $pos - $preroll;
+ $to = 0 if $to < 0;
+ print $to_mplayer "set_property time_pos $to\n";
+ print $to_mplayer "get_property time_pos\n";
+ print $to_mplayer "play\n";
+}
+
+
+$|=1;
+
+my $line;
+my $repl;
+
+sub repl {
+ print "> ";
+ my $cmd = <STDIN>;
+ warn ">>> $cmd\n";
+ print $to_mplayer $cmd;
+}
+
+
+our @subtitles;
+
+sub html5tv {
+
+ if ( ! $prop->{width} || ! $prop->{height} ) {
+ warn "SKIP no size yet\n";
+ return;
+ }
+
+ if ( ! @subtitles ) {
+ warn "SKIP no subtitles yet\n";
+ return;
+ }
+
+
+ my $sync;
+
+ my @slide_t;
+
+ my @videos;
+
+ foreach my $s ( @subtitles ) {
+ push @{ $sync->{htmlEvents}->{'#subtitle'} }, {
+ startTime => $s->[0],
+ endTime => $s->[1],
+ html => $s->[2],
+ };
+
+ if ( $s->[2] =~ m{video:(.+)} ) {
+ my $video = $1;
+ my $path = "$media_dir/$video";
+ if ( ! -e $path ) {
+ warn "MISSING $path: $!\n";
+ } else {
+ my $frame_dir = "$media_dir/s/$video";
+ system "mplayer -vo jpeg:outdir=$frame_dir -frames 1 -ss 0 $media_dir/$video"
+ if ! -e $frame_dir;
+ push @videos, [ @$s, $video ];
+ }
+ }
+
+ next unless $s->[2] =~ m{\[(\d+)\]};
+
+
+ push @{ $sync->{customEvents} }, {
+ startTime => $s->[0],
+ endTime => $s->[1],
+ action => 'chapterChange',
+ args => {
+ carousel => 'theCarousel',
+ id => "chapter$1",
+ title => $s->[2],
+ description => $s->[2],
+ src => sprintf('%s/s/%dx%d/p%03d.jpg', $media_dir, $prop->{width} / $slide_factor, $prop->{height} / $slide_factor, $1),
+ href => '',
+ },
+ };
+
+ push @slide_t, $s->[0];
+ }
+
+ my $res = $prop->{width} . 'x' . $prop->{height};
+
+ foreach ( 0 .. $#slide_t ) {
+ push @{ $sync->{htmlEvents}->{'#slide'} }, {
+ startTime => $slide_t[$_],
+ endTime => $slide_t[$_ + 1] || $prop->{length},
+ html => sprintf( '<img src=%s/s/%s/p%03d.jpg>', $media_dir, $res, $_ + 1 ),
+ };
+ }
+
+ my @slides_hires = glob '$media_dir/s/hires/p*.jpg';
+ @slides_hires = glob 'shot*.png' unless @slides_hires;
+ my $factor_s_path;
+
+ foreach my $factor ( 4, 2, 1 ) {
+ my $w = $prop->{width} / $factor;
+ my $h = $prop->{height} / $factor;
+
+ my $path = "$media_dir/s/${w}x${h}";
+ $factor_s_path->{$factor} = $path;
+
+ if ( ! -d $path ) {
+ mkdir $path;
+ warn "created $path\n";
+
+ foreach my $hires ( @slides_hires ) {
+
+ my $file = $hires;
+ $file =~ s{^.+/(p\d+\.\w)}{$path/$1};
+
+ my $im = Imager->new( file => $hires );
+ $im->scale( xpixels => $w, ypixels => $h, type => 'min' )->write( file => $file );
+ warn "resized $file ", -s $file, " bytes\n";
+ }
+ }
+
+ }
+
+ my ( $slide_width, $slide_height );
+
+ my $im = Imager->new( file => $factor_s_path->{ 1 } . '/p001.jpg"')
+ || Imager->new( file => "shot0001.png" ) # from mplayer [s]
+ ;
+
+ if ( $im ) {
+ $slide_width = $im->getwidth / $slide_factor;
+ $slide_height = $im->getheight / $slide_factor;
+ } else {
+ warn "can't find first slide default to 1/$slide_factor of video size\n";
+ $slide_width = $prop->{width} / $slide_factor;
+ $slide_height = $prop->{height} / $slide_factor;
+ }
+
+ my $html5tv = {
+ sync => $sync,
+ video => $prop,
+ slide => {
+ width => $slide_width,
+ height => $slide_height,
+ },
+ };
+
+ $html5tv->{video_tags} =
+ join("\n",
+ map {
+ my $s = $_;
+ my $id = $s->[3];
+ $id =~ s{\W+}{_}g;
+
+ push @{ $html5tv->{sync}->{customEvents} }, {
+ startTime => $s->[0],
+ endTime => $s->[1],
+ action => 'additional_video',
+ args => {
+ id => $id,
+ title => $s->[2],
+ description => $s->[2],
+ src => "$media_dir/s/$s->[3]/00000001.jpg",
+ href => '',
+ },
+ };
+
+ qq|
+ <video id="$id" style="display: none" controls="controls" width="$html5tv->{video}->{width}px" height="$html5tv->{video}->{height}px">
+ <source src="$media_dir/$_->[3]" />
+ </video>
+ |
+ } @videos
+ )
+ ;
+
+ sub customEvents_sorted {
+
+ if ( ref $html5tv->{sync}->{customEvents} ne 'ARRAY' ) {
+ my $max =
+ warn "ERROR: no slide markers [1] .. [", scalar @slides_hires, "] in subtitles\n";
+ return;
+ }
+
+ sort { $a->{startTime} <=> $b->{startTime} }
+ @{ $html5tv->{sync}->{customEvents} }
+ }
+
+ my $index = 1;
+
+ $_->{args}->{index} = $index++ foreach customEvents_sorted;
+
+ warn "last customEvent $index\n";
+
+ $html5tv->{subtitles_table}
+ = qq|<table id="subtitles">|
+ . join("\n",
+ map { qq|
+ <tr id="sub_$_->{index}">
+ <td class="seek_video">$_->{startTime}</td>
+ <td class="seek_video">$_->{endTime}</td>
+ <td>$_->{args}->{title}</td>
+ </tr>
+ | }
+ customEvents_sorted
+ )
+ . qq|</table><a href="$media_dir/video.srt">download subtitles</a>|
+ ;
+
+ my $hcalendar = '<div style="color: red">Create <tt>hcalendar.html</tt> to fill this space</div>';
+ my $hcal_path = '$media_dir/hcalendar.html';
+ if ( -e $hcal_path ) {
+ $html5tv->{hcalendar} = read_file $hcal_path;
+ my $tree = HTML::TreeBuilder->new;
+ $tree->parse_file($hcal_path);
+ if ( my $vevent = $tree->look_down( class => 'vevent' ) ) {
+ $html5tv->{title} = $vevent->look_down( class=> 'summary' )->as_trimmed_text;
+ }
+ }
+
+ warn "# html5tv ", dump $html5tv;
+
+ my $sync_path = "$media_dir/video.js";
+ write_file $sync_path, "var html5tv = " . to_json($html5tv) . " ;\n";
+ warn "sync $sync_path ", -s $sync_path, " bytes\n";
+
+ my $html = read_file 'www/tv.html';
+ $html =~ s|{([^}]+)}|my $n = $1; $n =~ s(\.)(}->{)g; eval "\$html5tv->{$n}"|egs ||
+ warn "no interpolation in template!";
+
+ write_file "www/editing.html", $html;
+ $html =~ s{media/editing}{media/$media_part}gs;
+ write_file "www/$media_part.html", $html;
+
+ my $carousel_width = $prop->{width} + $slide_width - 80;
+ $carousel_width -= $carousel_width % ( $slide_width + 6 ); # round to full slide
+ my $carousel_height = $slide_height + 2;
+
+ write_file "$media_dir/video.css", qq|
+
+.jcarousel-skin-ie7 .jcarousel-container-horizontal,
+.jcarousel-skin-ie7 .jcarousel-clip-horizontal {
+ width: ${carousel_width}px;
+ height: ${carousel_height}px;
+}
+
+.jcarousel-skin-ie7 .jcarousel-item {
+ width: ${slide_width}px;
+ height: ${slide_height}px;
+ margin: 0 2px 0 2px;
+}
+
+.active {
+ background-color: #ffc;
+}
+
+div#videoContainer {
+ width: $prop->{width}px;
+ height: $prop->{height}px;
+ font-family: Arial, Helvetica, sans-serif;
+ margin: 0 10px 0px 0;
+ position: relative;
+ display: inline;
+}
+
+
+div#subtitle {
+ bottom: 24px;
+ color: white;
+ font-size: 100%;
+ font-weight: bold;
+ height: 22px;
+ line-height: 1em;
+ margin: 0 0 0 0;
+ padding: 1px 10px 5px 10px ;
+ position: absolute;
+ text-align: center;
+ width: $html5tv->{video}->{width}px;
+}
+
+
+
+.jcarousel-skin-ie7 .jcarousel-item img:hover {
+// border-color: #555 !important;
+}
+
+.jcarousel-skin-ie7 .jcarousel-item:hover div.thumbnailOverlay {
+ visibility: visible !important;
+}
+
+.jcarousel-skin-ie7 .jcarousel-item div.thumbnailOverlay {
+ background: black;
+ bottom: 1px;
+ color: #00EEFF;
+ visibility: hidden;
+ font-size: 10px;
+ font-family: Arial, Verdana;
+ font-weight: bold;
+ line-height: 0.9em;
+ opacity: 0.5;
+ position: absolute;
+ text-align: center;
+ z-index: 10;
+ padding: 2px 0 2px 0;
+ width: ${slide_width}px;
+}
+
+.seek_video {
+ text-align: right;
+ font-family: monospace;
+}
+
+ |;
+
+ return 1;
+}
+
+
+sub t_srt {
+ my $t = shift;
+ my $hh = int( $t / 3600 );
+ $t -= $hh * 3600;
+ my $mm = int( $t / 60 );
+ $t -= $mm * 60;
+ my $srt = sprintf "%02d:%02d:%04.1f", $hh, $mm, $t;
+ $srt =~ s{\.}{,};
+ return $srt;
+}
+
+sub save_subtitles {
+
+ html5tv || return;
+
+ my $nr = 0;
+ my $srt = "\n";
+ foreach my $s ( @subtitles ) {
+ $srt .= $nr++ . "\n"
+ . t_srt( $s->[0] ) . " --> " . t_srt( $s->[1] ) . "\n"
+ . $s->[2] . "\n\n"
+ ;
+ }
+ warn $srt;
+
+ write_file $subtitles, $srt;
+ YAML::DumpFile "$subtitles.yaml", sort { $a->[0] <=> $b->[0] } @subtitles;
+
+ print $to_mplayer "sub_remove\n";
+ print $to_mplayer qq|sub_load "$subtitles"\n|;
+ print $to_mplayer "sub_select 1\n";
+}
+
+sub load_subtitles {
+ if ( ! -e "$subtitles.yaml" ) {
+ warn "no subtitles $subtitles to load\n";
+ return;
+ }
+ @subtitles = YAML::LoadFile "$subtitles.yaml";
+ warn "subtitles ", dump @subtitles;
+ save_subtitles;
+}
+
+sub edit_subtitles {
+ print $to_mplayer qq|pause\n|;
+ focus_term;
+ system( qq|vi "$subtitles.yaml"| ) == 0 and load_subtitles;
+ focus_mplayer;
+}
+
+sub add_subtitle {
+ print $to_mplayer qq|pause\n|;
+
+ focus_term;
+
+ warn "subtitles ", dump( @subtitles );
+ print "## ";
+ my $line = <STDIN>;
+ $subtitles[ $#subtitles ]->[2] = $line if defined $line;
+
+ save_subtitles;
+
+ focus_mplayer;
+
+ preroll $subtitles[ $#subtitles ]->[0], $line;
+}
+
+sub time_pos {
+ print $to_mplayer qq|get_property time_pos\n|;
+ my $pos = <$from_mplayer>;
+ if ( $pos =~ m{^ANS_time_pos=(\d+\.\d+)} ) {
+ warn "# time_pos $1\n";
+ return $1;
+ }
+}
+
+sub sub_fmt {
+ my $s = shift;
+ sprintf "%1.5f - %1.5f %s %s\n", @$s, join(' | ',@_);
+}
+
+sub prev_subtitle {
+ my $pos = time_pos;
+ my $s = ( grep { $_->[0] < $pos } @subtitles )[0] || return;
+ warn "<<<< subtitle ", sub_fmt $s;
+ preroll $s->[0], $s->[2];
+# print $to_mplayer "set_property time_pos $s->[0]\n";
+}
+
+sub next_subtitle {
+ my $pos = time_pos + $preroll;
+ my $s = ( grep { $_->[0] > $pos } @subtitles )[0] || return;
+ warn ">>>> subtitle ", sub_fmt $s;
+ preroll $s->[0], $s->[2];
+# print $to_mplayer "set_property time_pos $s->[0]\n";
+}
+
+sub current_subtitle {
+ my $callback = shift;
+ my $pos = time_pos;
+ my $visible;
+ foreach my $nr ( 0 .. $#subtitles ) {
+ my $s = $subtitles[$nr];
+ if ( $s->[0] <= $pos && $s->[1] >= $pos ) {
+ warn sub_fmt $s, $pos;
+ $visible = $nr;
+ $callback->( $visible, $pos ) if $callback;
+ return ( $visible, $pos );
+ }
+ }
+ warn "# $pos no visible subtitle\n";
+}
+
+sub move_subtitle {
+ my $offset = shift;
+ current_subtitle( sub {
+ my ( $nr, $pos ) = @_;
+ my $new_start = $subtitles[$nr]->[0] += $offset;
+ warn "subtitle $nr $pos $offset $new_start\n";
+ save_subtitles;
+ preroll $new_start, "$pos $offset $new_start";
+ } );
+}
+
+
+
+# XXX main epool loop
+
+load_movie;
+
+while ( my $events = epoll_wait($epfd, 10, 1000) ) { # Max 10 events returned, 1s timeout
+
+ warn "no events" unless $events;
+
+ foreach my $e ( @$events ) {
+# warn "# event: ", dump($e), $/;
+
+ my $fileno = $e->[0];
+
+ if ( $fileno == fileno STDIN ) {
+ my $chr;
+ sysread STDIN, $chr, 1;
+ print $chr;
+ } elsif ( $fileno == fileno $from_mplayer ) {
+ my $chr;
+ sysread $from_mplayer, $chr, 1;
+ print $chr;
+
+ if ( $chr =~ m{[\n\r]} ) {
+
+ exit if $line =~ m{Exiting};
+
+ if ( $line =~ m{ANS_(\w+)=(\S+)} ) {
+ $prop->{$1} = $2;
+ warn "prop $1 = $2\n";
+ } elsif ( $line =~ m{No bind found for key '(.+)'} ) {
+
+ # XXX keyboard shortcuts
+
+ $1 eq 'c' ? repl
+ : $1 eq ',' ? add_subtitle
+ : $1 eq 'F1' ? prev_subtitle
+ : $1 eq 'F2' ? move_subtitle( -0.3 )
+ : $1 eq 'F3' ? move_subtitle( +0.3 )
+ : $1 eq 'F4' ? next_subtitle
+ : $1 eq 'F5' ? save_subtitles
+ : $1 eq 'F9' ? add_subtitle
+ : $1 eq 'F12' ? edit_subtitles
+ : warn "CUSTOM $1\n"
+ ;
+
+ } elsif ( $line =~ m{EDL}i ) {
+
+ print $to_mplayer qq|osd_show_text "$line"\n|;
+
+ if ( my $pos = time_pos ) {
+ if ( $line =~ m{start}i ) {
+ push @subtitles, [ $pos, $pos, '-' ];
+ } else {
+ $subtitles[ $#subtitles ]->[1] = $pos;
+ }
+ }
+ }
+
+ $line = '';
+ } else {
+ $line .= $chr;
+ }
+
+
+ } elsif ( $fileno == fileno $to_mplayer ) {
+# warn "command";
+ } else {
+ die "invalid fileno $fileno";
+ }
+ }
+
+}