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Script to look up and stream today's podcasts

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John Mertz 5 月之前
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共有 1 個文件被更改,包括 83 次插入0 次删除
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      audio/stream-podcasts.pl

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audio/stream-podcasts.pl 查看文件

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#!/usr/bin/perl

use strict;
use warnings;

# Dependencies
use LWP::UserAgent; # Usually pre-installed, available on CPAN
use XML::Hash::XS; # CPAN or libxml-hash-xs-perl on Debian

# Feeds that should be used if no arguments are provided
my @default_feeds = (
# CBC FrontBurner
"https://www.cbc.ca/podcasting/includes/frontburner.xml",
# Majority Report AM Quickie
"https://feeds.fans.fm/5883fe04-e11e-4578-a018-3b93ddfb5723.xml"
);

# Player command (must accept stream as STDIN)
#my $player = "| mpv -";
# OMXPlayer is the only one capable of playing without stutter on the pi
# It requires FIFO to stream. For a player that does support STDIN, uncomment
# above and delete the following 4 lines
unless (-e "/tmp/fifo.mp3") {
system("mkfifo /tmp/fifo.mp3");
}
my $player = "> /tmp/fifo.mp3 & omxplayer /tmp/fifo.mp3";

# Multiple feeds can be given as CLI arguments instead
my @feeds;
if (scalar @ARGV) {
foreach (@ARGV) {
push @feeds, $_;
}
}

# Only use default feeds if no CLI feeds were given
unless (scalar @feeds) {
@feeds = @default_feeds;
}

# Local function to get date pattern provided as 'pubDate'
my $today = get_date();

# Setup Webpage agent and XML parser
my $ua = LWP::UserAgent->new();
my $xml = XML::Hash::XS->new(utf8 => 0, encoding => 'utf-8');

my @playlist;
# Go through each feed
foreach my $url (@feeds) {
# Ensure that it's actual an XML link
next unless $url =~ m#^https?://.*\.xml$#;
# Ensure it is fetched okay
my $raw = $ua->get("$url")->content() || next;
# Ensure it is parsed okay
my $xml_hash = $xml->xml2hash($raw) || next;

# Collect all episodes published today
foreach my $item (@{$xml_hash->{'channel'}->{'item'}}) {
if ($item->{'pubDate'} =~ m/$today/) {
# Add any found to playlist
push @playlist, $item->{'enclosure'}->{'url'};
}
}
}

# Fetch each item and pass it to player via STDIN
foreach (@playlist) {
# Uncomment the following to print the media URL
print $_ . "\n";
system("curl -NL $_ $player");
}
unlink("/tmp/fifo.mp3");

sub get_date
{
my ($second, $minute, $hour, $day, $month, $year) = localtime(time);
my @months = (
'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun',
'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'
);
return $day . ' ' . $months[$month] . ' ' . ($year+1900);
}

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