Current File : //data/www_bck/varak.net_bck/ampache.varak.net/lib/class/webplayer.class.php
<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2014 Ampache.org
*
* 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.
*
*/
class WebPlayer
{
public static function is_playlist_radio($playlist)
{
$radios = array();
foreach ($playlist->urls as $item) {
if ($item->type == "radio") {
$radios[] = $item;
}
}
return (count($playlist->urls) == 1 && count($radios) > 0 && AmpConfig::get('webplayer_flash'));
}
public static function is_playlist_video($playlist)
{
return (count($playlist->urls) > 0 && $playlist->urls[0]->type == "video");
}
public static function browser_info($agent=null)
{
// Declare known browsers to look for
$known = array('msie', 'trident', 'firefox', 'safari', 'webkit', 'opera', 'netscape', 'konqueror', 'gecko');
// Clean up agent and build regex that matches phrases for known browsers
// (e.g. "Firefox/2.0" or "MSIE 6.0" (This only matches the major and minor
// version numbers. E.g. "2.0.0.6" is parsed as simply "2.0"
$agent = strtolower($agent ? $agent : $_SERVER['HTTP_USER_AGENT']);
$pattern = '#(?<browser>' . join('|', $known) . ')[/ ]+(?<version>[0-9]+(?:\.[0-9]+)?)#';
// Find all phrases (or return empty array if none found)
if (!preg_match_all($pattern, $agent, $matches)) return array();
// Since some UAs have more than one phrase (e.g Firefox has a Gecko phrase,
// Opera 7,8 have a MSIE phrase), use the last one found (the right-most one
// in the UA). That's usually the most correct.
$i = count($matches['browser'])-1;
return array($matches['browser'][$i] => $matches['version'][$i]);
}
protected static function get_types($item, $force_type='')
{
$types = array('real' => 'mp3', 'player' => '');
$browsers = array_keys(self::browser_info());
$browser = '';
if (count($browsers) > 0 ) {
$browser = $browsers[0];
}
if (!empty($force_type)) {
debug_event("webplayer.class.php", "Forcing type to {".$force_type."}", 5);
$types['real'] = $force_type;
} else {
if ($browser == "msie" || $browser == "trident" || $browser == "webkit" || $browser == "safari") {
$types['real'] = "mp3";
} else {
$types['real'] = "ogg";
}
}
$song = null;
$urlinfo = Stream_URL::parse($item->url);
if ($urlinfo['id'] && $urlinfo['type'] == 'song') {
$song = new Song($urlinfo['id']);
} else if ($urlinfo['id'] && $urlinfo['type'] == 'song_preview') {
$song = new Song_Preview($urlinfo['id']);
} else if (isset($urlinfo['demo_id'])) {
$democratic = new Democratic($urlinfo['demo_id']);
if ($democratic->id) {
$song_id = $democratic->get_next_object();
if ($song_id) {
$song = new Song($song_id);
}
}
}
if ($song != null) {
$ftype = $song->type;
$transcode = false;
$transcode_cfg = AmpConfig::get('transcode');
// Check transcode is required
$ftype_transcode = AmpConfig::get('transcode_' . $ftype);
$valid_types = Song::get_stream_types_for_type($ftype);
if ($transcode_cfg == 'always' || !empty($force_type) || $ftype_transcode == 'required' || ($types['real'] != $ftype && !AmpConfig::get('webplayer_flash'))) {
if ($transcode_cfg == 'always' || ($transcode_cfg != 'never' && in_array('transcode', $valid_types))) {
// Transcode only if excepted type available
$transcode_settings = $song->get_transcode_settings($types['real']);
if ($transcode_settings && AmpConfig::get('transcode_player_customize')) {
$transcode = true;
} else {
if (!in_array('native', $valid_types)) {
$transcode_settings = $song->get_transcode_settings(null);
if ($transcode_settings) {
$types['real'] = $transcode_settings['format'];
$transcode = true;
}
}
}
}
}
if (!$transcode) {
$types['real'] = $ftype;
}
if ($types['real'] == "flac" || $types['real'] == "ogg") $types['player'] = "oga";
else if ($types['real'] == "mp4") $types['player'] = "m4a";
} else if ($urlinfo['id'] && $urlinfo['type'] == 'video') {
$video = new Video($urlinfo['id']);
$types['real'] = pathinfo($video->file, PATHINFO_EXTENSION);
if ($types['real'] == "ogg") $types['player'] = "ogv";
else if ($types['real'] == "webm") $types['player'] = "webmv";
else if ($types['real'] == "mp4") $types['player'] = "m4v";
} else if ($item->type == 'radio') {
$types['real'] = $item->codec;
if ($types['real'] == "flac" || $types['real'] == "ogg") $types['player'] = "oga";
} else {
$ext = pathinfo($item->url, PATHINFO_EXTENSION);
if (!empty($ext)) $types['real'] = $ext;
}
if (empty($types['player'])) $types['player'] = $types['real'];
debug_event("webplayer.class.php", "Types {".json_encode($types)."}", 5);
return $types;
}
public static function get_supplied_types($playlist)
{
$jptypes = array();
foreach ($playlist->urls as $item) {
$force_type = '';
if ($item->type == 'broadcast') {
$force_type = 'mp3';
}
$types = self::get_types($item, $force_type);
if (!in_array($types['player'], $jptypes)) {
$jptypes[] = $types['player'];
}
}
return $jptypes;
}
public static function add_media_js($playlist, $callback_container='')
{
$addjs = "";
foreach ($playlist->urls as $item) {
if ($item->type == 'broadcast') {
$addjs .= $callback_container . "startBroadcastListening('" . $item->url . "');";
break;
} else {
$addjs .= $callback_container . "addMedia(" . self::get_media_js_param($item) . ");";
}
}
return $addjs;
}
public static function get_media_js_param($item, $force_type='')
{
$js = array();
foreach (array('title', 'author') as $member) {
if ($member == "author")
$kmember = "artist";
else
$kmember = $member;
$js[$kmember] = $item->$member;
}
$url = $item->url;
$types = self::get_types($item, $force_type);
$song = null;
$urlinfo = Stream_URL::parse($url);
$url = $urlinfo['base_url'];
if ($urlinfo['id'] && $urlinfo['type'] == 'song') {
$song = new Song($urlinfo['id']);
} else if ($urlinfo['id'] && $urlinfo['type'] == 'song_preview') {
$song = new Song_Preview($urlinfo['id']);
} else if (isset($urlinfo['demo_id'])) {
$democratic = new Democratic($urlinfo['demo_id']);
if ($democratic->id) {
$song_id = $democratic->get_next_object();
if ($song_id) {
$song = new Song($song_id);
}
}
}
if ($song != null) {
$js['artist_id'] = $song->artist;
$js['album_id'] = $song->album;
$js['song_id'] = $song->id;
if ($song->type != $types['real']) {
$url .= '&transcode_to=' . $types['real'];
}
//$url .= "&content_length=required";
}
$js['filetype'] = $types['player'];
$js['url'] = $url;
if ($urlinfo['type'] == 'song') {
$js['poster'] = $item->image_url . (!AmpConfig::get('iframes') ? '&thumb=4' : '');
}
debug_event("webplayer.class.php", "Return get_media_js_param {".json_encode($js)."}", 5);
return json_encode($js);
}
}
Mini Shell