<?php

$json = json_decode(file_get_contents('php://input'));

if ($json->live->is_live) {
    // start recording
    $streamer = $json->live->streamer_name;

    $current_pid = intval(file_get_contents("ffmpeg.pid"));
    // posix_kill with 0 signal tells you if the process is running
    if ($current_pid != "" && posix_kill($current_pid, 0)) die();

    $timestamp = date("Y-m-d\TH:i:s");
    if (!is_dir(__DIR__."/../$streamer")) {
	mkdir(__DIR__."/../$streamer");
	copy(__DIR__."/../djindex.php", __DIR__."/../$streamer/index.php");
    }

    $standard_stream = "https://radio.tildeverse.org/radio/8000/radio.ogg";
    $testing_stream = "https://radio.tildeverse.org/radio/8010/radio.mp3";
    $cmd = "/usr/bin/ffmpeg -i $standard_stream ../$streamer/tilderadio-$timestamp.mp3 >out.log 2>&1 & echo $!";
    $pid = exec($cmd);

    echo $pid;
    file_put_contents("ffmpeg.pid", $pid);
} else {
    // stop recording
    $pid = file_get_contents("ffmpeg.pid");
    if ($pid != "" && posix_kill(intval($pid), 0)) {
	posix_kill(intval($pid), 2);
        file_put_contents("ffmpeg.pid", "");
    }
}