inc/xmms2Player.php

   1 <?php
   2
   3 putenv('COLUMNS=500');
   4
   5 error_log( "Using XMMS backend: ". $c->daemon_type );
   6 class xmms2Connection {
   7   var $active;            // Once it actually is...
   8   var $xmms2;
   9   var $status;
  10
  11   /**
  12   * Create a minimally initialised connection object
  13   */
  14   function xmms2Connection() {
  15     $this->active = false;
  16     $this->xmms2 = false;
  17     $this->status = array();
  18   }
  19
  20   /**
  21   * Connect to the remote xmms2
  22   *  - a complete fake.
  23   */
  24   function Connect() {
  25     global $c;
  26
  27     $this->xmms2 = true;
  28     $this->active = true;
  29   }
  30
  31   /**
  32   * Do a question/response pair with the daemon
  33   */
  34   function Daemon( $say ) {
  35     if ( ! $this->active ) $this->Connect();
  36
  37     $command = 'xmms2 ' . $say . ' 2>&1';
  38     $output = array();
  39     $retval = 0;
  40     error_log("adorno: DBG: XMMS2CMD: >>>$command<<<");
  41     exec( $command, &$output, &$retval );
  42
  43     if ( preg_match( '#Could not connect to xmms2d#i', $output[0] ) ) {
  44       exec( 'xmms2-launcher', &$output, &$retval );
  45       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  46       exec( 'xmms2 playlist type Default queue', &$output, &$retval );
  47       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  48       $output = array();
  49       $retval = 0;
  50       exec( $command, &$output, &$retval );
  51     }
  52     return $output;
  53   }
  54
  55   /**
  56   * Query the xmms2 about it's current status
  57   */
  58   function UpdateStatus() {
  59     $status = $this->Daemon( "state" );
  60     $this->status['state'] = $status[0];
  61     $status = $this->Daemon( "info" );
  62     foreach( $status AS $k => $v ) {
  63       list( $key, $value ) = preg_split( '/ = /', $v, 2);
  64       $this->status[$key] = $value;
  65     }
  66   }
  67
  68
  69   /**
  70   * Encode a filename to escape spaces & stuff.
  71   */
  72   function EncodeFileName( $track ) {
  73     // $encoded = preg_replace( '/([\\\'"#&;`|*?~<>^()[]{}$ ])/', '\\\\\1', $track);
  74     $encoded = escapeshellarg($track);
  75     # $encoded = "file://" . $encoded;
  76     return $encoded;
  77   }
  78
  79
  80   /**
  81   * Play a track.  Xmms2 is OK if we tell it to play when it is already.
  82   */
  83   function Play( $track ) {
  84     global $c;
  85
  86     $this->UpdateStatus();
  87
  88     // Replace ' with '' so escapeshellcmd reliably ignores it, then with \' afterwards
  89     $this->Daemon("add ". $this->EncodeFileName($track));
  90     if ( $this->status['state'] == 'Stopped' ) {
  91       $this->Daemon("next");
  92       $this->Daemon("play");
  93     }
  94     else
  95       $this->Daemon("play");
  96   }
  97
  98
  99   /**
 100   * Query the xmms2 about it's current playlist and position
 101   */
 102   function GetCurrent() {
 103     global $c;
 104
 105     $this->UpdateStatus();
 106     $songnow = (object) array();
 107     $songnow->started = date( 'Y-m-d H:i:s', $this->status['[server] laststarted'] );
 108     $songnow->track = str_replace( 'file://', '', $this->status['[server] url'] );
 109
 110     return $songnow;
 111   }
 112
 113   /**
 114   * Query the xmms2 about it's current playlist and position
 115   */
 116   function GetQueue() {
 117     global $c;
 118
 119     $this->UpdateStatus();
 120     $next = $this->status['song'] + 1;
 121     $this->queue = array();
 122
 123     $filename = "";
 124     $pos = -1;
 125
 126     $playlist = $this->Daemon( "list" );
 127     foreach( $playlist AS $k => $v ) {
 128
 129       if ( $pos >= 0 ) {
 130         $filename = preg_replace( '#^(  |->)\[\d+/\d+\] #', '', $v );
 131         if ( substr($filename,0,7) == 'file://' ) {
 132           $filename = substr( $filename, 7 );
 133           $filename = urldecode( $filename );
 134           $this->queue[$pos++] = $filename;
 135         }
 136       }
 137       else if ( $pos < 0 && substr( $v, 0, 2) == '->' ) {
 138         $pos = 0;
 139       }
 140     }
 141
 142     return $this->queue;
 143   }
 144
 145 }
 146
 147 $GLOBALS["xmms2"] = new xmms2Connection();
 148
 149
 150
 151
 152
 153 /******************************************************************
 154 * The actual API the web interface calls is then very simple...
 155 ******************************************************************/
 156
 157 /**
 158 * Queue a file for playing
 159 */
 160 function daemon_play_track( $path ) {
 161   global $xmms2;
 162   error_log("adorno: DBG: Trying to play '$path'");
 163   $xmms2->Play( $path );
 164 }
 165
 166
 167 /**
 168 * Get a list of the files currently queued for the future
 169 */
 170 function daemon_get_queue() {
 171   global $xmms2;
 172   $q = $xmms2->GetQueue();
 173   return $q;
 174 }
 175
 176
 177 /**
 178 * Get the currently playing track and it's starting time
 179 */
 180 function daemon_current_track() {
 181   global $xmms2;
 182   return $xmms2->GetCurrent();
 183 }
 184
 185
 186 /**
 187 * Get the currently playing track and it's starting time
 188 */
 189 function daemon_other_command( $action, $track ) {
 190   global $xmms2;
 191   switch( $action ) {
 192     case 'resume':
 193       $xmms2->Daemon('play');
 194       break;
 195     case 'pause':
 196       $xmms2->Daemon($action);
 197       break;
 198     case 'next':
 199       $xmms2->Daemon($action);
 200       break;
 201     default:
 202       error_log("adorno: ERROR: Unsupported command '$action'" );
 203   }
 204
 205   return true;
 206 }