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#!/usr/bin/perl |
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|
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# most of this file is dedicated to work around the braindead ReadLine |
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# implementation. |
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|
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#BEGIN { $ENV{PERL_RL} |= "Perl o=0" } |
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BEGIN { $ENV{PERL_RL} |= " o=0" } |
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BEGIN { eval "use Time::HiRes 'time'" } |
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|
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$RC = "$ENV{HOME}/.mpg123shrc"; |
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|
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use Audio::Play::MPG123; |
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use Term::ReadLine; |
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use Fcntl; # required by MPG123 anyway |
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use Cwd; |
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use File::Basename; |
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|
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sub mglob { |
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eval { require File::Glob } ? &File::Glob::glob : glob $_[0]; |
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} |
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|
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$|=1; |
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|
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do $RC; |
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|
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# contains tuples of the form [url, repeat] |
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@playlist=(); |
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$p_url; |
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$p_repeat; |
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|
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$player = new Audio::Play::MPG123 mpg123args => ["-b4096"]; |
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|
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# do uri-style escaping PLUS escape space to · and back (sorry for that :() |
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sub uri_esc($) { |
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local $_ = shift; |
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s/([^\x21-\x24\x26-\x7e\xa0-\xb6\xb8-\xff])/sprintf "%c%02x", 0x25, ord($1)/ge; |
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s/%20/·/g; |
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$_; |
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} |
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|
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sub uri_unesc($) { |
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local $_ = shift; |
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s/·/%20/g; |
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s/%([0-9a-f][0-9a-f])/chr(hex($1))/gei; |
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$_; |
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} |
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|
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sub write_rc { |
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require Data::Dumper; |
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print "writing $RC... "; |
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open RC, ">$RC" or die "$RC: $!"; |
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print RC Data::Dumper->Dump([\%conf], ['*conf']); |
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close RC; |
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print "ok\n"; |
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} |
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|
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sub oconf { |
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my ($cmd, $value) = @_; |
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if ($cmd eq "log") { |
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if ($value =~ /^\s*$/) { |
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delete $conf{log}; |
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} else { |
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$conf{log} = $value; |
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} |
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write_rc; |
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} elsif ($cmd eq "conf") { |
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while (my ($k, $v) = each %conf) { |
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printf "%-10s => %s\n", $k, $v; |
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} |
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} else { |
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print "unknown o command, use <log> or <conf>.\n"; |
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} |
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} |
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|
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sub mp3log { |
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my ($cmd, @args) = @_; |
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if (defined $conf{log}) { |
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if (open LOG, ">>$conf{log}") { |
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print LOG "$cmd ", (join " ", map uri_esc($_), @args), "\n"; |
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close LOG; |
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} else { |
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warn "$conf{log}: $!\n"; |
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} |
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} |
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} |
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|
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my $current_url; |
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my $current_time; |
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|
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sub load_url { |
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my $url = shift; |
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if (defined $current_url && $current_time) { |
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mp3log "T", $current_url, sprintf ("%0.2f", time - $current_time); |
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} |
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$current_url = $url; |
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if (defined $url) { |
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$current_time = time; |
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$player->load($url); |
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} |
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} |
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|
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sub pause_url { |
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my $pause = shift; |
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if ($pause) { |
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mp3log "T", $current_url, sprintf ("%0.2f", time - $current_time) if defined $current_url; |
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$current_time = 0; |
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} else { |
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$current_time = time; |
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} |
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} |
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|
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sub next_song { |
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if ($p_repeat <= 0 && @playlist) { |
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my $p = shift @playlist; |
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push @playlist, $p if $p; |
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$p_url = $playlist[0][0]; |
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$p_repeat = $playlist[0][1]; |
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} |
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if ($p_url) { |
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$p_repeat--; |
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load_url($p_url); |
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mp3log("+", $p_url); |
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$player->stat; |
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} |
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} |
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|
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sub add_url($) { |
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my $url = shift; |
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push @playlist, [$url, 1]; |
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next_song unless $player->state; |
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mp3log("a", $url); |
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} |
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|
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sub shuffle { |
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for (my $i = @playlist; $i--; ) { |
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my $j = int rand $i+1; |
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@playlist[$j, $i] = @playlist[$i, $j]; |
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} |
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} |
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|
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END { |
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load_url(); |
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} |
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|
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sub file_completion { |
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mglob "$_[0]*", GLOB_MARK|GLOB_TILDE; |
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} |
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|
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sub mfav { |
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my ($cmd, $value) = @_; |
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if ($cmd eq "f" or $cmd eq "l") { |
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if (defined $conf{log}) { |
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my %time; |
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local *LOG; |
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open LOG, "<$conf{log}" and do { |
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while (<LOG>) { |
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if (/^[al] (\S+)/) { |
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$time{$1} += 0.2; |
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} elsif (/^[ds] (\S+)/) { |
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$time{$1} -= 0.2; |
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} elsif (/^T (\S+) (\S+)/) { |
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$time{$1} += $2; |
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} |
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} |
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}; |
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my @time; |
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my %base; |
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for (keys %time) { |
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next if -f uri_unesc $_; |
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my $base = basename $_; |
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$base{$base} += delete $time{$_}; |
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} |
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while (my ($k, $v) = each %time) { |
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push @time, [$k, $v + $base{basename $k}]; |
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} |
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$value ||= 5; |
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for (sort { $b->[1] <=> $a->[1] } @time) { |
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printf "%10.2f %s\n", $_->[1], $_->[0]; |
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add_url uri_unesc $_->[0] if $cmd eq "f"; |
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last if --$value <= 0; |
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} |
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} else { |
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print "this command requires a logfile\n"; |
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} |
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} else { |
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print "unknown m command, use <f> or <l>.\n"; |
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} |
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} |
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|
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$SIG{INT} = |
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$SIG{HUP} = |
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$SIG{PIPE} = |
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$SIG{TERM} = sub { exit }; |
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|
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# terribly fool the Term::ReadLine packages.. |
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sub Tk::DoOneEvent { } |
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sub Term::ReadLine::Tk::Tk_loop { &event_loop } |
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sub Term::ReadLine::Tk::register_Tk { } |
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|
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$rl = new Term::ReadLine "mpg123sh"; |
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$rl->tkRunning(1); |
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|
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$rl->Attribs->{completion_function} = sub { |
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my ($word,$line,$pos) = @_; |
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$word ||= ""; $line ||= ""; $pos ||= 0; |
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$p = ""; |
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$c = $word; |
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$rl->Attribs->{completer_terminator_character}=""; |
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if ($pos==0) { |
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if ($word=~/^(l(?:oad)?|a(?:dd)?|cd?)(\S.*)?/) { |
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$p = $1." "; |
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$c = $2; |
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} |
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} |
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@r = file_completion uri_unesc($c); |
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if ($line =~ /^c/) { |
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@r = grep -d "$_/.", @r; |
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} |
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if (@r == 1) { |
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if (-f $r[0]) { |
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$rl->Attribs->{completer_terminator_character}=" "; |
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} elsif (-d $r[0]) { |
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$rl->Attribs->{completer_terminator_character}="/"; |
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} |
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} |
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#print "\n<$word|$line|$pos> = ",join(":",@r)," #",scalar@r,"\n"; |
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map $p.uri_esc($_),@r; |
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}; |
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|
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my $pwr_state = 1; |
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sub pwr_change { |
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$SIG{PWR} = \&pwr_change; |
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$pwr_state = !$pwr_state; |
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|
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}; |
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$SIG{PWR} = \&pwr_change; |
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|
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sub event_loop { |
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my $r; |
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my $rlin = $rl->IN; |
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# most ugly workaround for perl-readline bug |
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if ($rl->ReadLine eq "Term::ReadLine::Perl") { |
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require IO::Handle; |
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my $o = (fcntl $rlin,F_GETFL,0) & (O_APPEND | O_NONBLOCK); |
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fcntl $rlin,F_SETFL,$o | O_NONBLOCK; |
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my $eof = eof($rlin); |
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fcntl $rlin,F_SETFL,$o; |
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return unless $eof; |
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} |
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do { |
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next_song if $player->state == 0 && $pwr_state; |
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$player->stop if $player->state && !$pwr_state; |
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vec($r, fileno($rlin), 1) = 1; |
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vec($r, fileno($player->IN), 1) = 1; |
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(select $r, undef, undef, undef) < 0 and $r = ""; |
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if (vec($r,fileno($player->IN),1)) { |
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$player->poll(0); |
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} |
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} until vec($r, fileno($rlin), 1); |
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} |
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|
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$player->statfreq(20); |
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|
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print "\nmpg123sh, version $Audio::Play::MPG123::VERSION\n"; |
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print "enter 'help' for a command list\n\n"; |
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|
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for(;;) { |
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my $prompt=fastcwd." "; |
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if ($player->state) { |
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$player->stat; |
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$prompt.=$player->title." ".$player->{frame}[2]."/".($player->{frame}[2]+$player->{frame}[3]); |
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} else { |
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$prompt.=$p_url; |
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} |
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$_=$rl->readline("$prompt> "); |
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if (/^l(?:oad)?\s*(.*?)\s*$/i) { |
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my $url = $player->canonicalize_url(uri_unesc $1); |
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load_url($url) or print "ERROR: ",$player->error,"\n"; |
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mp3log("l", $url); |
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$player->stat; |
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} elsif (/^a(?:dd)?\s*(.*?)\s*$/i) { |
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for (mglob uri_unesc $1, GLOB_TILDE|GLOB_NOMAGIC) { |
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add_url $player->canonicalize_url($_); |
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} |
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} elsif (/^r(?:epeat)?\s*(\d+)\s*$/) { |
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$playlist[-1][1] = $1; |
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} elsif (/^p/i) { |
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$player->pause; |
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pause_url ($player->paused); |
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} elsif (/^DD$/) { |
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$p_repeat = 0; |
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$player->stop; |
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next_song; |
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unlink @{pop @playlist}[0]; |
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} elsif (/^d(?:el)?\s*(\d*)\s*$/i) { |
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for (do { |
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if ($1) { |
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splice @playlist,$1-1,1; |
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} else { |
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$p_repeat = 0; |
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$player->stop; |
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next_song; |
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pop @playlist; |
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} |
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}) { |
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mp3log("d", $_->[0]); |
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} |
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} elsif (/^sh/i) { |
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shuffle; |
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} elsif (/^s/i) { |
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$p_repeat=0; |
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$player->stop; |
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mp3log("s", $playlist[0][0]); |
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next_song; |
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} elsif (/^c(?:d)?\s*(.*?)\s*$/i) { |
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chdir uri_unesc $1 or print "Unable to change to '$1': $!\n"; |
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} elsif (/^j(?:ump)?\s*([0-9.]+)\s*$/i) { |
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eval { $player->jump(int($1/$player->tpf)) }; |
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} elsif (/^o\s*([a-z]+)\s*(.*)/i) { |
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oconf($1,$2); |
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} elsif (/^m\s*([a-z]+)\s*(.*)/i) { |
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mfav($1,$2); |
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} elsif (/^q/i) { |
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last; |
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} elsif (/^i(nfo)?/i) { |
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print "\n"; |
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if ($player->state) { |
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print "currently playing: ",$player->url,"\n"; |
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printf "title: %-32s artist: %-30s\n",$player->title,$player->artist; |
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printf "album: %-32s year: %-30s\n",$player->album,$player->year; |
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printf "comment: %-32s genre: %-30s\n",$player->comment,$player->genre; |
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print "\n"; |
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printf "MPEG %s layer %s, %d samples/s, %s, mode_extension is %d, %d bytes/frame\n". |
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"%d channels, %s, %s, emphasis is %s, %d kbit/s\n", |
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"I" x $player->type, $player->layer, $player->samplerate, $player->mode, $player->mode_extension, |
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$player->bpf, $player->channels, $player->copyrighted ? "copyrighted" : "not copyrighted", |
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$player->error_protected ? "error protection" : "no error protection", $player->emphasis ? "on" : "off", |
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$player->bitrate; |
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print "\n"; |
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} |
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for (my $i=0; $i<=$#playlist; $i++) { |
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printf "%2d: %-30s repeat %d\n",$i+1,"'$playlist[$i][0]'",$playlist[$i][1]; |
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} |
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print "\n"; |
| 345 |
} elsif (/^h(help)?/i) { |
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print <<EOF; |
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|
| 348 |
load <file or url> loads the specified file and plays it immediately. |
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add <file or url> pushes the specified song to the end of the playlist |
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quit quits the program |
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info print information about the song and the playlist. |
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pause pause/unpause |
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stop stop current song (and play next) |
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shuffle shuffle currently selected songs once |
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cd <path> change current directory |
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del <num> remove song number <num> from the playlist |
| 357 |
del remove the currently playing song |
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DD like del, but physically deleted the file(!!!) |
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jump <second> seek to the specified position |
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repeat <count> repeat the last recently added song <count times> |
| 361 |
help this listing |
| 362 |
o manipulate configuration |
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o conf show current configuration |
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o log <path> log all playing actions into file <path> |
| 365 |
m playlist management (not much there, yet) |
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m f <num> add <num> favourite songs |
| 367 |
m l <num> list <num> favourite songs |
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|
| 369 |
- most commands can be shortened to a one-letter form |
| 370 |
- most whitespace between command and arguments is optional |
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|
| 372 |
EOF |
| 373 |
} elsif (/\S/) { |
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print "unknown command, try 'help'\n"; |
| 375 |
} |
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} |
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|
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|
