X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=videosite%2FYouTubeGrabber.pm;h=b67ea5377ee2abd91fe82274e9e3d66a52db5699;hb=HEAD;hp=c800bae67fdea86a54b058ec19172e1037579726;hpb=d46ff92f09cfe6952055defaf3f7ec7efdd55087;p=videosite.git diff --git a/videosite/YouTubeGrabber.pm b/videosite/YouTubeGrabber.pm index c800bae..b67ea53 100644 --- a/videosite/YouTubeGrabber.pm +++ b/videosite/YouTubeGrabber.pm @@ -11,8 +11,6 @@ package videosite::YouTubeGrabber; use videosite::GrabberBase; @ISA = qw(videosite::GrabberBase); -use LWP::UserAgent; -use HTTP::Cookies; use HTML::TokeParser; use HTML::Entities qw(decode_entities); use Encode; @@ -21,70 +19,253 @@ use videosite::JSArrayParser; use strict; +my %preflist = ( + 'insane' => [38, 37, 137, 22, 136, 35, 135, 18, 134, 34, 6, 5, 43], + 'hd' => [37, 137, 22, 136, 35, 135, 18, 134, 34, 6, 5, 38, 43], + 'h264' => [18, 134, 34, 37, 137, 22, 136, 35, 135, 6, 5, 38, 43], + 'high' => [34, 35, 135, 18, 134, 37, 137, 22, 136, 6, 5, 38, 43], + 'normal' => [6, 5, 34, 35, 135, 18, 134, 22, 136, 37, 137, 38, 43]); +my %audiopreflist = ( + 'insane' => [172,141,171,140,139], + 'hd' => [172,141,171,140,139], + 'h264' => [172,141,171,140,139], + 'high' => [171,140,172,141,139], + 'normal' => [171,140,172,141,139]); +my %videoformats = ( + # Container/Video codec/Audio codec/Resolution + 5 => 'FLV/Sorenson/MP3/240p', + 6 => 'FLV/Sorenson/MP3/270p', + 13 => '3GP/MPEG4-Visual/144p', # 0.5MBit + 17 => '3GP/MPEG4-Visual/144p', # 2MBit + 18 => 'MP4/H264/AAC/360p', # isommp42, Baseline + 22 => 'MP4/H264/AAC/720p', # isommp42, High + 34 => 'FLV/H264/AAC/360p', # Main + 35 => 'FLV/H264/AAC/480p', # Main + 36 => '3GP/MPEG4-Visual/240p', + 37 => 'MP4/H264/AAC/1080p', # High + 38 => 'MP4/H264/AAC/3072p', # High + 43 => 'WebM/VP8/Vorbis/360p', + 44 => 'WebM/VP8/Vorbis/480p', + 45 => 'WebM/VP8/Vorbis/720p', + 46 => 'WebM/VP8/Vorbis/1080p/3D', # effective 540p + 82 => 'MP4/H264/AAC/360p/3D', # isomavc1mp42 + 83 => 'MP4/H264/AAC/240p/3D', # isomavc1mp42 + 84 => 'MP4/H264/AAC/720p/3D', # isomavc1mp42 + 85 => 'MP4/H264/AAC/1080p/3D', # isomavc1mp42, effective 540p + 100 => 'WebM/VP8/Vorbis/360p/3D', + 101 => 'WebM/VP8/Vorbis/480p/3D', + 102 => 'WebM/VP8/Vorbis/720p/3D', + 133 => 'MP4/H264/240p/AdaptiveVideo', + 134 => 'MP4/H264/360p/AdaptiveVideo', + 135 => 'MP4/H264/480p/AdaptiveVideo', + 136 => 'MP4/H264/720p/AdaptiveVideo', + 137 => 'MP4/H264/1080p/AdaptiveVideo', + 139 => 'MP4/AAC/48kbit/AdaptiveAudio', + 140 => 'MP4/AAC/128kbit/AdaptiveAudio', + 141 => 'MP4/AAC/256kbit/AdaptiveAudio', + 160 => 'MP4/H264/144p/AdaptiveVideo', + 171 => 'WebM/Vorbis/128kbit/AdaptiveAudio', + 172 => 'WebM/Vorbis/160kbit/AdaptiveAudio', + ); + sub new { my $class = shift; - 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)/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_]+))', - '(http://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/user/\w+\?.*/([-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(); - - return $self; + my $self = $class->SUPER::new( + NAME => 'youtube', + _SELFTESTURL => 'http://www.youtube.com/watch?v=dMH0bHeiRNg', + _SELFTESTTITLE => 'Evolution of Dance', + PATTERNS => ['(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/watch(?:_popup)?/?\?.*?v=([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/watch\#\!v=([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/v/([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/embed/([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/user/[[:alnum:]]+\?v=([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/(?:user/)?[[:alnum:]]+#p/(?:\w+/)+\d+/([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtu\.be/watch\?v=([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtu\.be/([-a-zA-Z0-9_]+))', + '(https?://(?:[-a-zA-Z0-9_.]+\.)*youtube\.(?:com|de|co.uk)/user/\w+\?.*/([-a-zA-Z0-9_]+))'], + _PARAMS => { + QUALITY => ['normal', 'Quality of the video to download.', { + normal => 'standard resolution flash video', + high => 'higher resolution flash video', + h264 => 'high resolution MPEG4 video', + hd => 'HD720 resolution'}], + USERNAME => ['', 'Username to use for YouTube login'], + PASSWORD => ['', 'Password to use for YouTube login'], + HTTPS => [1, 'Whether to use HTTPS (if available) to connect to YouTube'], + ADAPTIVE => [0, 'Whether to use adaptive rate URLs (if available)'], + }, + @_, + ); + + return bless($self, $class); } sub _parse { my $self = shift; my $url = shift; my $pattern = shift; + my $id; + my $res; + + $url =~ m|$pattern|; + $url = $1; + $id = $2; + + $self->debug("Matched id %s from pattern %s", $id, $pattern); + + $res = $self->_parse_by_video_info($url, $id); + if (defined($res)) { + if (ref($res)) { + return $res; + } else { + $self->debug("_parse_by_video_info failed with status noretry"); + return undef; + } + } else { + $self->debug("_parse_by_video_info failed with status retry"); + $res = $self->_parse_by_scrape($url, $id); + } + + return $res; +} + +# +# Try to get video information by using the API call. +# +# Returns hashref on success +# Returns undef on retryable error (try to scrape the website) +# Returns 0 on non-retryable error +# +sub _parse_by_video_info { + my $self = shift; + my $url = shift; + my $id = shift; + my $quality = $self->_getval('QUALITY'); + my $metadata; + my $videourl; + my $ua = $self->ua(); + my $preflist; + my $audiopreflist; + my $r; + my $content; + my $urls; + + $metadata->{'URL'} = $url; + $metadata->{'ID'} = $id; + $metadata->{'TYPE'} = 'video'; + $metadata->{'SOURCE'} = $self->{'NAME'}; + $metadata->{'TITLE'} = undef; + $metadata->{'DLURL'} = undef; + + $preflist = $preflist{$quality}; + $audiopreflist = $audiopreflist{$quality}; + $self->debug("Quality: %s, preflist: [%s], audiopreflist: [%s]", + $quality, + join(", ", @{$preflist}), + join(", ", @{$audiopreflist})); + + $videourl = sprintf('%s://www.youtube.com/get_video_info?video_id=%s&eurl=%s', + $self->_getval('HTTPS')?'https':'http', $id, 'http%3A%2F%2Fwww%2Eyoutube%2Ecom%2F'); + $self->debug("Video info URL: %s", $videourl); + + $r = $ua->get($videourl); + unless($r->is_success()) { + $self->debug('Could not download %s: %s', $videourl, $r->code()); + return undef; + } + + $content = $r->content(); + $self->debug('Content from get_video_info: %s', $content); + + # Decode content + $content = $self->decode_querystring($content); + + $self->debug("Decoded get_video_info: %s", Dumper($content)); + + if ($content->{'status'} ne 'ok') { + $self->debug("Non OK status code found: %s", $content->{'status'}); + return undef; + } + + # Check if this is live content + if (exists($content->{ps}) and ($content->{ps} eq 'live')) { + $self->error("Video URL seems to point to a live stream, cannot save this"); + return 0; + } + + if (exists($content->{'fmt_url_map'})) { + # Decode fmt_url_map + $urls = $self->decode_hexurl($content->{'fmt_url_map'}); + $urls = { split /[\|,]/, $urls }; + } elsif (exists($content->{'url_encoded_fmt_stream_map'})) { + $urls = $self->_decode_url_encoded_fmt_stream_map($content->{'url_encoded_fmt_stream_map'}, 1); + } else { + $self->debug("No URL data found"); + return undef; + } + + if (exists($content->{'adaptive_fmts'})) { + $self->debug('Video has adaptive_fmts'); + if ($self->_getval('ADAPTIVE')) { + my %af = %{$self->_decode_url_encoded_fmt_stream_map($content->{'adaptive_fmts'}, 1)}; + while (my ($k, $v) = each %af) { + $urls->{$k} = $v; + } + } else { + $self->debug('Use of adaptive URLs not enabled'); + } + } + + unless(exists($content->{'title'})) { + $self->debug("No title found"); + return undef; + } + + $self->__pick_url($urls, $preflist, $audiopreflist, $metadata); + + $metadata->{'TITLE'} = $content->{'title'}; + $metadata->{'TITLE'} =~ s/\+/ /g; + $metadata->{'TITLE'} = $self->decode_hexurl($metadata->{'TITLE'}); + $metadata->{'TITLE'} = decode("utf8", $metadata->{'TITLE'}); + + $self->debug('Title found: %s', $metadata->{'TITLE'}); + + unless(defined($metadata->{'DLURL'}) && defined($metadata->{'TITLE'})) { + $self->error('Could not determine download URL'); + return undef; + } + + return $metadata; +} + +sub _parse_by_scrape { + my $self = shift; + my $url = shift; + my $id = shift; my $content; my $metadata = {}; my $p; my $e; my $tag; - my $jar = HTTP::Cookies->new; - my $ua = LWP::UserAgent->new('agent' => 'Mozilla/5.0'); + my $ua = $self->ua(); my $r; my $videourl; my $quality = $self->_getval('QUALITY'); - my %preflist = ( - 'insane' => [38, 37, 22, 35, 18, 34, 6, 5], - 'hd' => [37, 22, 35, 18, 34, 6, 5, 38], - 'h264' => [18, 34, 37, 22, 35, 6, 5, 38], - 'high' => [34, 35, 18, 37, 22, 6, 5, 38], - 'normal' => [6, 5, 34, 35, 18, 22, 37, 38]); my $preflist; my $jsp; - $url =~ m|$pattern|; - $url = $1; - $metadata->{'URL'} = $url; - $metadata->{'ID'} = $2; + $metadata->{'ID'} = $id; $metadata->{'TYPE'} = 'video'; $metadata->{'SOURCE'} = $self->{'NAME'}; $metadata->{'TITLE'} = undef; $metadata->{'DLURL'} = undef; - $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', $2); + $videourl = sprintf('%s://www.youtube.com/watch?v=%s', $self->_getval('HTTPS')?'https':'http', $id); unless(defined($r = $ua->get($videourl))) { $self->error('Could not download %s', $url); @@ -93,8 +274,8 @@ sub _parse { if ($r->base->as_string() =~ m,/verify_age,) { $self->debug('Video requires age verification'); - $ua->cookie_jar($jar); - $r = $self->__login($videourl, $ua); + my @logindata = $self->__login($videourl, $ua); + $r = $logindata[0]; unless(defined($r)) { $self->error('Could not log into YouTube'); return undef; @@ -106,13 +287,12 @@ sub _parse { SWF_ARGS: while ($tag = $p->get_tag('div', 'meta', 'script')) { if ('meta' eq $tag->[0]) { - if ('title' eq $tag->[1]->{'name'}) { + if (exists($tag->[1]->{'name'}) and ('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'}))); - + $metadata->{'TITLE'} = decode_entities( + decode("utf8", $metadata->{'TITLE'})); + $self->debug('Title found: %s', $metadata->{'TITLE'}); } } elsif ('script' eq $tag->[0]) { @@ -121,10 +301,10 @@ sub _parse { $e = $p->get_text(); $self->debug("Found script: %s", $e); - if ($e =~ m|\x27SWF_ARGS\x27:\s+(.+),|) { + if ($e =~ m|ytplayer\.config\s*=\s*(.+);$|) { my $args = $1; + $self->debug("Found PLAYER_CONFIG: %s", $args); - $self->debug("Found SWF_ARGS: %s", $args); $jsp = videosite::JSArrayParser->new(); $self->debug("Using %s to parse", ref($jsp)); $r = $jsp->parse($args); @@ -134,87 +314,66 @@ sub _parse { return undef; } - if (exists($r->{'fmt_url_map'}) and ($r->{'fmt_url_map'} ne '')) { - my $urls = $r->{'fmt_url_map'}; + if (exists($r->{'args'}) and exists($r->{'args'}->{'ps'}) and ($r->{'args'}->{'ps'} eq 'live')) { + $self->error("Video URL seems to point to a live stream, cannot save this"); + return undef; + } + + if (exists($r->{'args'}) and exists($r->{'args'}->{'fmt_url_map'}) and ($r->{'args'}->{'fmt_url_map'} ne '')) { + my $urls = $r->{'args'}->{'fmt_url_map'}; $self->debug("Video has fmt_url_map: %s", $urls); - $urls =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge; %urls = split(/[\|,]/, $urls); - $self->debug("Pagetype: old (SWF_ARGS), fmt_url_map"); - - } elsif (exists($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); - } - $self->debug("Pagetype: 2009 (SWF_ARGS), t with fmt_map"); - - } else { - $urls{5} = sprintf('http://www.youtube.com/get_video?video_id=%s&t=%s', - $metadata->{'ID'}, - $thash); - $self->debug("Pagetype: 2009 (SWF_ARGS), t without fmt_map"); + foreach (keys(%urls)) { + $urls{$_} = $self->decode_hexurl($urls{$_}); } + $self->debug("Pagetype: 2011 (PLAYER_CONFIG), fmt_url_map"); + } elsif (exists($r->{'args'}) and exists($r->{'args'}->{'url_encoded_fmt_stream_map'}) and ($r->{'args'}->{'url_encoded_fmt_stream_map'} ne '')) { + %urls = %{$self->_decode_url_encoded_fmt_stream_map($r->{'args'}->{'url_encoded_fmt_stream_map'}, 0)}; + + $self->debug("Pagetype: 2011 (PLAYER_CONFIG), url_encoded_fmt_stream_map"); } else { - $self->error('Neither fmt_url_map nor t found in video information hash'); + $self->error('fmt_url_map not found in PLAYER_CONFIG'); return undef; } - } elsif ($e =~ m|var swfHTML = .*fmt_url_map=([^\&]+)\&|) { - my $urls = $1; - $self->debug("Video has fmt_url_map: %s", $urls); + } elsif ($e =~ m|yt\.playerConfig\s*=\s*(.+);\n|) { + my $args = $1; + $self->debug("Found yt.playerConfig: %s", $args); - $urls =~ s/%([[:xdigit:]]{2})/chr(hex($1))/ge; - %urls = split(/[\|,]/, $urls); - $self->debug("Pagetype: 2010 (swfHTML), fmt_url_map"); - } + $jsp = videosite::JSArrayParser->new(); + $self->debug("Using %s to parse", ref($jsp)); + $r = $jsp->parse($args); - if (%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 ($_ == 38) { - $self->debug('Found mp4,h264,4k: %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', $_, $urls{$_}); - } + unless(defined($r)) { + $self->error("Found information hash, but could not parse"); + return undef; } - foreach (@{$preflist}) { - if (exists($urls{$_})) { - $self->debug("Selected URL with quality level %s", $_); - $metadata->{'DLURL'} = $urls{$_}; - last; - } + if (exists($r->{'args'}) and exists($r->{'args'}->{'ps'}) and ($r->{'args'}->{'ps'} eq 'live')) { + $self->error("Video URL seems to point to a live stream, cannot save this"); + return undef; } - $self->debug('URL found: %s', $metadata->{'DLURL'}); + if (exists($r->{'args'}) and exists($r->{'args'}->{'url_encoded_fmt_stream_map'}) and ($r->{'args'}->{'url_encoded_fmt_stream_map'} ne '')) { + %urls = %{$self->_decode_url_encoded_fmt_stream_map($r->{'args'}->{'url_encoded_fmt_stream_map'}, 0)}; + + $self->debug("Pagetype: 2012 (yt.playerConfig), url_encoded_fmt_stream_map"); + } else { + $self->error('url_map not found in yt.playerConfig'); + return undef; + } + } + + + if (%urls) { + $self->__pick_url(\%urls, $preflist, undef, $metadata); last SWF_ARGS; } } elsif ('div' eq $tag->[0]) { - if (exists($tag->[1]->{'class'}) and ('yt-alert-content' eq $tag->[1]->{'class'})) { + if (exists($tag->[1]->{'id'}) and ('watch-player-unavailable-message-container' eq $tag->[1]->{'id'})) { + # Search forward to the next
+ $tag = $p->get_tag('div'); $self->error("Could not get video data for youtube %s: %s", $metadata->{'ID'}, $p->get_trimmed_text()); return undef; @@ -252,14 +411,52 @@ sub __login { return $found; } + sub get_all_cookies { + + my $jar = shift; + my $key = shift; + my $val = ""; + $jar->scan(sub { $val .= "; " if !( $val eq "" ); $val .= "$_[1]=$_[2]" }); + + return $val; + } + if (($user eq '') or ($pass eq '')) { $self->error('No username or password defined for YouTube'); return undef; } $self->debug('Logging in'); - $r = $ua->post('http://www.youtube.com/signup', { 'next' => '/', 'current_form' => 'login', 'action_login' => '1', 'username' => $user, 'password' => $pass }); - + $r = $ua->get('https://www.google.com/accounts/ServiceLoginAuth?service=youtube'); + unless($r->is_success()) { + $self->debug("Could not get login page (make sure your LWP supports HTTPS!)"); + return undef; + } + $c = $r->decoded_content(); + $p = HTML::TokeParser->new(\$c); + while (my $tag = $p->get_tag('input')) { + $self->debug("%s", Dumper($tag)); + if ($tag->[1]{name} eq 'GALX') { + $token = $tag->[1]{value}; + last; + } + } + $self->debug("GALX = %s", $token); + $r = $ua->post('https://www.google.com/accounts/ServiceLoginAuth?service=youtube', { 'service' => 'youtube', 'Email' => $user, 'Passwd' => $pass, 'GALX' => $token }); + unless($r->is_success()) { + $self->debug("Could not get login page (make sure your LWP supports HTTPS!)"); + return undef; + } + $c = $r -> decoded_content(); + $p = HTML::TokeParser->new(\$c); + while (my $tag = $p->get_tag('script')) { + if($p->get_text() =~ /location\.replace\("(.+)"\)/) { + $token = $1; + $token =~ s/\\x([A-Fa-f0-9]{2})/pack('C', hex($1))/seg; + last; + } + } + $r = $ua->get($token); unless(check_cookie($ua->cookie_jar, 'LOGIN_INFO')) { $self->error('Could not log into YouTube'); return undef; @@ -273,7 +470,7 @@ sub __login { $c = $r->decoded_content(); $p = HTML::TokeParser->new(\$c); while (my $tag = $p->get_tag('script')) { - if ($p->get_text() =~ /gXSRF_token = '(.+)'/) { + if ($p->get_text() =~ /'XSRF_TOKEN': '(.+)'/) { $token = $1; last; } @@ -288,12 +485,109 @@ sub __login { $r = $ua->post($r->base->as_string, { 'next_url' => $r->base->path, 'action_confirm' => 'Confirm Birth Date', 'session_token' => $token }); } - unless(check_cookie($ua->cookie_jar, 'is_adult')) { - $self->error('Could not authenticate session'); - return undef; +# Apparently there is no longer a specific "is_adult" cookie +# or, by the looks of it, anything similar +# +# unless(check_cookie($ua->cookie_jar, 'is_adult')) { +# $self->error('Could not authenticate session'); +# return undef; +# } + + my $cookie = get_all_cookies($ua->cookie_jar); + return ($ua->get($videourl), $cookie); +} + +# Take an encoded url_encoded_fmt_stream_map and return a hash +# matching video IDs to download URLs +sub _decode_url_encoded_fmt_stream_map { + my $self = shift; + my $data = shift; + my $dataencoded = shift; + my @data; + my $h = {}; + + $data = $self->decode_hexurl($data) if $dataencoded; + # This will + # - Split the decoded string into segments (along ,) + # - Interpret each segment as a concatenated key-value list (key and value separated by =, pairs separated by & + # - URL-decode each key and value _again_ + # + # @data will be an array of hash references + + @data = map { { map { $self->decode_hexurl($_) } split /[&=]/ } } split /,/, $data; + $self->debug("_decode_url_encoded_fmt_stream_map() decoded %s", Dumper(\@data)); + + # From each array entry, pick the itag and the url values and return that + # as a hash reference + + + foreach (@data) { + if (exists($_->{'sig'})) { + $h->{$_->{'itag'}} = sprintf('%s&signature=%s', $_->{'url'}, $_->{'sig'}); + } else { + $h->{$_->{'itag'}} = $_->{'url'}; + } + } + + return $h; +} + + + +sub __pick_url { + my $self = shift; + my $urls = shift; + my $preflist = shift; + my $audiopreflist = shift; + my $metadata = shift; + my $picked_format; + + foreach (keys(%{$urls})) { + if (exists($videoformats{$_})) { + $self->debug('Found URL for format %s (%s): %s', $_, $videoformats{$_}, $urls->{$_}); + } else { + $self->error('Unknown format %s: %s', $_, $urls->{$_}); + } } - return $ua->get($videourl); + foreach (@{$preflist}) { + if (exists($urls->{$_})) { + $self->debug("Selected URL with quality level %s", $_); + $metadata->{'DLURL'} = $urls->{$_}; + $picked_format = $_; + if (exists($videoformats{$_})) { + $metadata->{'FORMAT'} = $videoformats{$_}; + } else { + $metadata->{'FORMAT'} = 'unknown'; + } + last; + } + } + + if (defined($picked_format)) { + if ($metadata->{'FORMAT'} =~ m/Adaptive/) { + if (defined($audiopreflist)) { + # Pick an audio format as well + foreach (@{$audiopreflist}) { + if (exists($urls->{$_})) { + $self->debug("Selected audio URL with quality level %s", $_); + $metadata->{'DLURL_AUDIO'} = $urls->{$_}; + if (exists($videoformats{$_})) { + $metadata->{'FORMAT_AUDIO'} = $videoformats{$_}; + } else { + $metadata->{'FORMAT_AUDIO'} = 'unknown'; + } + last; + } + } + } else { + $self->error('Need an audio preflist, but none provided'); + } + } + } + + $self->debug('URL found: %s', $metadata->{'DLURL'}); } 1; +