ampache/stream.php

<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/**
 * Stream
 *
 *
 * LICENSE: GNU General Public License, version 2 (GPLv2)
 * Copyright (c) 2001 - 2011 Ampache.org All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License v2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * @package	Ampache
 * @copyright	2001 - 2011 Ampache.org
 * @license	http://opensource.org/licenses/gpl-2.0 GPLv2
 * @link	http://www.ampache.org/
 */

require_once 'lib/init.php';

/* If we are running a demo, quick while you still can! */
if (Config::get('demo_mode') || !Access::check('interface','25')) {
	access_denied();
	exit;
}

$media_ids = array();
$web_path = Config::get('web_path');

/**
 * action switch
 */
switch ($_REQUEST['action']) {
	case 'basket':
		// Pull in our items (multiple types)
		$media_ids = $GLOBALS['user']->playlist->get_items();

		// Check to see if 'clear' was passed if it was then we need to reset the basket
		if ( ($_REQUEST['playlist_method'] == 'clear' || Config::get('playlist_method') == 'clear') AND Config::get('play_type') != 'xspf_player') {
			$GLOBALS['user']->playlist->clear();
		}

	break;
	/* This is run if we need to gather info based on a tmp playlist */
	case 'tmp_playlist':
		$tmp_playlist = new tmpPlaylist($_REQUEST['tmpplaylist_id']);
		$media_ids = $tmp_playlist->get_items();
	break;
	case 'play_favorite':
		$data = $GLOBALS['user']->get_favorites($_REQUEST['type']);
		$media_ids = array();
		switch ($_REQUEST['type']) {
			case 'artist':
			case 'album':
				foreach ($data as $value) {
					$songs = $value->get_songs();
					$media_ids = array_merge($media_ids,$songs);
				}
			break;
			case 'song':
				foreach ($data as $value) {
					$media_ids[] = $value->id;
				}
			break;
		} // end switch on type
	break;
	case 'single_song':
		$media_ids[] = array(
			'object_type' => 'song',
			'object_id' => scrub_in($_REQUEST['song_id'])
		);
	break;
	case 'artist':
		$artist = new Artist($_REQUEST['artist_id']);
		$media_ids = $artist->get_songs();
	break;
	case 'artist_random':
		$artist = new Artist($_REQUEST['artist_id']);
		$artist->get_count();
		$media_ids = $artist->get_random_songs();
	break;
	case 'album_random':
		$album = new Album($_REQUEST['album_id']);
		$media_ids = $album->get_random_songs();
	break;
	case 'album':
		$album = new Album($_REQUEST['album_id']);
		$media_ids = $album->get_songs();
	break;
	case 'playlist':
		$playlist	= new Playlist($_REQUEST['playlist_id']);
		$media_ids	= $playlist->get_songs($_REQUEST['song']);
	break;
	case 'playlist_random':
		$playlist	= new Playlist($_REQUEST['playlist_id']);
		$media_ids	= $playlist->get_random_songs();
	break;
	case 'random':
		if($_REQUEST['genre'][0] != '-1') {
			$matchlist['genre'] = $_REQUEST['genre'];
		}
		if($_REQUEST['catalog'] != '-1') {
			$matchlist['catalog'] = $_REQUEST['catalog'];
		}
		/* Setup the options array */
		$options = array('limit' => $_REQUEST['random'], 'random_type' => $_REQUEST['random_type'],'size_limit'=>$_REQUEST['size_limit']);
		$media_ids = get_random_songs($options, $matchlist);
	break;
	case 'democratic':
		$democratic = new Democratic($_REQUEST['democratic_id']);
		$urls = array($democratic->play_url());
	break;
	case 'download':
		$media_ids[] = array(
			'object_type' => 'song',
			'object_id' => scrub_in($_REQUEST['song_id'])
		);
	default:
	break;
} // end action switch


/* Now that we've gathered the song information we decide what
 * we should do with it, this is a sensitive time for the song id's
 * they don't know where they want to go.. let's help them out
 */
switch ($_REQUEST['method']) {
	case 'download':
		// Run the access check and exit if they are not allowed to download
		if (!Access::check_function('batch_download')) { access_denied(); exit; }


		// Format the zip file
		$name = "AmpacheZip-" . date("m-d-Y",time());
		$song_files = get_song_files($media_ids);
		set_memory_limit($song_files[1]+32);
		send_zip($name,$song_files[0]);
	break;
	case 'stream':
	default:
		// See if we need a special streamtype
		switch ($_REQUEST['action']) {
			case 'download':
				$stream_type = 'download';
			break;
			case 'democratic':
				// Don't let them loop it
				if (Config::get('play_type') == 'democratic') {
					Config::set('play_type', 'stream', true);
				}
			default:
				if (Config::get('play_type') == 'stream') {
					$stream_type = Config::get('playlist_type');
				}
				else {
					$stream_type = Config::get('play_type');
				}
			break;
		}

		/* Start the Stream */
		debug_event('stream.php' , 'Stream Type: ' . $stream_type .
			' Media IDs: '. json_encode($media_ids), 5);
		$stream = new Stream($stream_type,$media_ids);
		if (isset($urls)) {
			$stream->add_urls($urls);
		}
		$stream->start();

} // end method switch
?>