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     if ( preg_match( '#[a-z]{3,7}://#', $track ) ) {
  74       return $track;
  75     }
  76     $encoded = str_replace( chr(92), '\\\\', $track);
  77     $encoded = str_replace( '"', '\\"', $track);
  78     // $encoded = str_replace( "'", "\\'", $track);
  79     // $encoded = preg_replace( '/([\\\'"#&;`|*?~<>^\(\)[]{}$ ])/', '\\\\\1', $encoded);
  80     # $encoded = escapeshellarg($track);
  81     $encoded = '"file://' . $encoded . '"';
  82     error_log( "Trying to play: $encoded" );
  83     return $encoded;
  84   }
  85
  86
  87   /**
  88   * Play a track.  Xmms2 is OK if we tell it to play when it is already.
  89   */
  90   function Play( $track ) {
  91     global $c;
  92
  93     $this->UpdateStatus();
  94
  95     // Replace ' with '' so escapeshellcmd reliably ignores it, then with \' afterwards
  96     $this->Daemon("add ". $this->EncodeFileName($track));
  97     if ( $this->status['state'] == 'Stopped' ) {
  98       $this->Daemon("next");
  99       $this->Daemon("play");
 100     }
 101     else
 102       $this->Daemon("play");
 103   }
 104
 105
 106   /**
 107   * Move a track in the playlist
 108   */
 109   function MoveTrack( $index, $offset ) {
 110     if ( $index < 1 || ($index + $offset) < 1 ) return;  // Can't move playing track
 111
 112     $this->Daemon( sprintf("move %d %d", $index, $index + $offset ) );
 113   }
 114
 115
 116   /**
 117   * Query the xmms2 about it's current playlist and position
 118   */
 119   function GetCurrent() {
 120     global $c;
 121
 122     $this->UpdateStatus();
 123     $songnow = (object) array();
 124     $songnow->started = date( 'Y-m-d H:i:s', $this->status['[server] laststarted'] );
 125     $songnow->track = str_replace( 'file://', '', $this->status['[server] url'] );
 126
 127     return $songnow;
 128   }
 129
 130   /**
 131   * Query the xmms2 about it's current playlist and position
 132   */
 133   function GetQueue() {
 134     global $c;
 135
 136     $this->UpdateStatus();
 137     $next = $this->status['song'] + 1;
 138     $this->queue = array();
 139
 140     $filename = "";
 141     $pos = -1;
 142
 143     $playlist = $this->Daemon( "list" );
 144     foreach( $playlist AS $k => $v ) {
 145
 146       if ( $pos >= 0 ) {
 147         $filename = preg_replace( '#^(  |->)\[\d+/\d+\] #', '', $v );
 148         if ( substr($filename,0,7) == 'file://' ) {
 149           $filename = substr( $filename, 7 );
 150           $filename = urldecode( $filename );
 151           $this->queue[$pos++] = $filename;
 152         }
 153       }
 154       else if ( $pos < 0 && substr( $v, 0, 2) == '->' ) {
 155         $pos = 0;
 156       }
 157     }
 158
 159     return $this->queue;
 160   }
 161
 162 }
 163
 164 $GLOBALS["xmms2"] = new xmms2Connection();
 165
 166
 167
 168
 169
 170 /******************************************************************
 171 * The actual API the web interface calls is then very simple...
 172 ******************************************************************/
 173
 174 /**
 175 * Queue a file for playing
 176 */
 177 function daemon_play_track( $path ) {
 178   global $xmms2;
 179   error_log("adorno: DBG: Trying to play '$path'");
 180   $xmms2->Play( $path );
 181 }
 182
 183
 184 /**
 185 * Get a list of the files currently queued for the future
 186 */
 187 function daemon_get_queue() {
 188   global $xmms2;
 189   $q = $xmms2->GetQueue();
 190   return $q;
 191 }
 192
 193
 194 /**
 195 * Get the currently playing track and it's starting time
 196 */
 197 function daemon_current_track() {
 198   global $xmms2;
 199   return $xmms2->GetCurrent();
 200 }
 201
 202
 203 /**
 204 * Get the currently playing track and it's starting time
 205 */
 206 function daemon_other_command( $action, $track ) {
 207   global $xmms2;
 208   switch( $action ) {
 209     case 'resume':
 210       $xmms2->Daemon('play');
 211       break;
 212     case 'pause':
 213       $xmms2->Daemon($action);
 214       break;
 215     case 'next':
 216       $xmms2->Daemon($action);
 217       break;
 218     default:
 219       error_log("adorno: ERROR: Unsupported command '$action'" );
 220   }
 221
 222   return true;
 223 }
 224
 225 /**
 226 * Get the currently playing track and it's starting time
 227 */
 228 function daemon_move( $index, $offset ) {
 229   global $xmms2;
 230   return $xmms2->MoveTrack($index,$offset);
 231 }
 232
 233