# download strategy revised using
# http://www.kde-apps.org/content/show.php?content=41456
-package YouTubeGrabber;
+package videosite::YouTubeGrabber;
-use GrabberBase;
-@ISA = qw(GrabberBase);
+use videosite::GrabberBase;
+@ISA = qw(videosite::GrabberBase);
use LWP::UserAgent;
use HTTP::Cookies;
use HTML::TokeParser;
+use HTML::Entities qw(decode_entities);
+use Encode;
use Data::Dumper;
+use videosite::JSArrayParser;
use strict;
my $self = $class->SUPER::new();
$self->{'NAME'} = 'youtube';
- $self->{'PATTERNS'} = ['(http://(?:[-a-zA-Z0-9_.]+\.)*youtube.(?:com|de|co.uk)/watch\?(?:.+=.+&)*v=([-a-zA-Z0-9_]+))',
- '(http://(?:[-a-zA-Z0-9_.]+\.)*youtube.(?:com|de|co.uk)/v/([-a-zA-Z0-9_]+))'];
- $self->{'_PARAMS'} = {'QUALITY' => ['normal', 'Quality of the video to download. normal = standard resolution flash video, high = higher resolution flash video, h264 = high resolution MPEG4 video'], 'USERNAME' => ['', 'Username to use for YouTube login'], 'PASSWORD' => ['', 'Password to use for YouTube login']};
+ $self->{'PATTERNS'} = ['(http://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/watch\?(?:.+=.+&)*v=([-a-zA-Z0-9_]+))',
+ '(http://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/v/([-a-zA-Z0-9_]+))',
+ '(http://(?:[-a-zA-Z0-9_.]+\.)*youtu\.be/([-a-zA-Z0-9_]+))'];
+ $self->{'_PARAMS'} = {
+ 'QUALITY' => ['normal', 'Quality of the video to download.', {
+ 'normal' => 'standard resolution flash video',
+ 'high' => 'higher resolution flash video',
+ 'h264' => 'high resolution MPEG4 video',
+ 'hd' => 'HD720 resolution'}],
+ 'USERNAME' => ['', 'Username to use for YouTube login'],
+ 'PASSWORD' => ['', 'Password to use for YouTube login']};
bless($self, $class);
$self->_prepare_parameters();
my $r;
my $videourl;
my $quality = $self->_getval('QUALITY');
- my $append = '';
+ my %preflist = (
+ 'hd' => [37, 22, 35, 18, 34, 6, 5],
+ 'h264' => [18, 34, 37, 22, 35, 6, 5],
+ 'high' => [34, 35, 18, 37, 22, 6, 5],
+ 'normal' => [6, 5, 34, 35, 18, 22, 37]);
+ my $preflist;
+ my $jsp;
$url =~ m|$pattern|;
$url = $1;
$metadata->{'TITLE'} = undef;
$metadata->{'DLURL'} = undef;
- if ($quality eq 'high') {
- $append = '&fmt=6';
- } elsif ($quality eq 'h264') {
- $append = '&fmt=18';
- }
+ $self->debug("Matched id %s from pattern %s", $2, $pattern);
+
+ $preflist = $preflist{$quality};
+ $self->debug("Quality: %s, preflist: [%s]", $quality, join(", ", @{$preflist}));
- $videourl = sprintf('http://www.youtube.com/watch?v=%s%s', $2, $append);
+ $videourl = sprintf('http://www.youtube.com/watch?v=%s', $2);
unless(defined($r = $ua->get($videourl))) {
$self->error('Could not download %s', $url);
$p = HTML::TokeParser->new(\$content);
- while ($tag = $p->get_tag('div', 'meta', 'script')) {
+ SWF_ARGS: while ($tag = $p->get_tag('div', 'meta', 'script')) {
if ('meta' eq $tag->[0]) {
if ('title' eq $tag->[1]->{'name'}) {
$metadata->{'TITLE'} = $tag->[1]->{'content'};
+ # Convert HTML entities in the title. This is a bit convoluted.
+ $metadata->{'TITLE'} = encode("utf8",
+ decode_entities(
+ decode("utf8", $metadata->{'TITLE'})));
+
$self->debug('Title found: %s', $metadata->{'TITLE'});
}
} elsif ('script' eq $tag->[0]) {
$e = $p->get_text();
- if ($e =~ m|/watch_fullscreen\?(.+)\x27|) {
- my %args = map { split(/=/, $_, 2); } split(/&(?!amp;)/, $1);
- $metadata->{'DLURL'} = sprintf('http://www.youtube.com/get_video.php?video_id=%s&t=%s%s',
- $metadata->{'ID'}, $args{'t'}, $append);
+ $self->debug("Found script: %s", $e);
+ if ($e =~ m|\x27SWF_ARGS\x27:\s+(.+),|) {
+ my %urls;
+ my $args = $1;
+
+ $self->debug("Found SWF_ARGS: %s", $args);
+ $jsp = videosite::JSArrayParser->new();
+ $self->debug("Using %s to parse", ref($jsp));
+ $r = $jsp->parse($args);
+
+ unless(defined($r)) {
+ $self->error("Found information hash, but could not parse");
+ return undef;
+ }
+
+ if (exists($r->{'fmt_url_map'}) and ($r->{'fmt_url_map'} ne '')) {
+ my $urls = $r->{'fmt_url_map'};
+
+ $self->debug("Video has fmt_url_map: %s", $urls);
+
+ $urls =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ %urls = split(/[\|,]/, $urls);
+ } elsif (exists($r->{'t'}) and ($r->{'t'} ne '')) {
+ my $thash = $r->{'t'};
+
+ if (exists($r->{'fmt_map'}) && ($r->{'fmt_map'} ne '')) {
+ my $fmt = $r->{'fmt_map'};
+ my @fmt;
+
+ $self->debug('Video has fmt_map');
+ $fmt =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge;
+ @fmt = split(/,/, $fmt);
+ foreach (@fmt) {
+ split(/\//);
+ $urls{$_[0]} = sprintf('http://www.youtube.com/get_video?video_id=%s&fmt=%d&t=%s',
+ $metadata->{'ID'},
+ $_[0],
+ $thash);
+ }
+ } else {
+ $urls{5} = sprintf('http://www.youtube.com/get_video?video_id=%s&t=%s',
+ $metadata->{'ID'},
+ $thash);
+ }
+ } else {
+ $self->error('Neither fmt_url_map nor t found in video information hash');
+ return undef;
+ }
+ $self->debug("Found quality levels [%s]", join(", ", keys(%urls)));
+
+ foreach (keys(%urls)) {
+ if ($_ == 35) {
+ $self->debug('Found flv,h264,large: %s', $urls{$_});
+ } elsif ($_ == 34) {
+ $self->debug('Found flv,h264: %s', $urls{$_});
+ } elsif ($_ == 22) {
+ $self->debug('Found mp4,h264,720p: %s', $urls{$_});
+ } elsif ($_ == 37) {
+ $self->debug('Found mp4,h264,1080p: %s', $urls{$_});
+ } elsif ($_ == 18) {
+ $self->debug('Found mp4,h264: %s', $urls{$_});
+ } elsif ($_ == 5) {
+ $self->debug('Found flv,flv: %s', $urls{$_});
+ } else {
+ $self->error('Unknown tag %s: %s', $_, $urls{$_});
+ }
+ }
+
+ foreach (@{$preflist}) {
+ if (exists($urls{$_})) {
+ $self->debug("Selected URL with quality level %s", $_);
+ $metadata->{'DLURL'} = $urls{$_};
+ last;
+ }
+ }
+
$self->debug('URL found: %s', $metadata->{'DLURL'});
+ last SWF_ARGS;
}
} elsif ('div' eq $tag->[0]) {
- if (exists($tag->[1]->{'class'}) and ('errorBox' eq $tag->[1]->{'class'})) {
+ if (exists($tag->[1]->{'class'}) and ('yt-alert-content' eq $tag->[1]->{'class'})) {
$self->error("Could not get video data for youtube %s: %s",
$metadata->{'ID'}, $p->get_trimmed_text());
return undef;
git://git.camperquake.de / videosite.git / blobdiff