inc/xmms2Player.php

   1 <?php
   2
   3 putenv('COLUMNS=500');
   4 putenv('XMMS_PATH=tcp://127.0.0.1:9667/');
   5
   6 error_log( "Using XMMS backend: ". $c->daemon_type );
   7 class xmms2Connection {
   8   var $active;            // Once it actually is...
   9   var $xmms2;
  10   var $status;
  11
  12   /**
  13   * Create a minimally initialised connection object
  14   */
  15   function xmms2Connection() {
  16     $this->active = false;
  17     $this->xmms2 = false;
  18     $this->status = false;
  19   }
  20
  21   /**
  22   * Connect to the remote xmms2
  23   *  - a complete fake.
  24   */
  25   function Connect() {
  26     global $c;
  27
  28     $this->xmms2 = true;
  29     $this->active = true;
  30   }
  31
  32   /**
  33   * Do a question/response pair with the daemon
  34   */
  35   function OldDaemon( $say ) {
  36     if ( ! $this->active ) $this->Connect();
  37
  38     $command = 'LC_ALL=en_NZ.UTF8 xmms2 ' . $say . ' 2>&1';
  39     $output = array();
  40     $retval = 0;
  41     error_log("adorno: DBG: XMMS2CMD: >>>$command<<<");
  42     exec( $command, &$output, &$retval );
  43
  44     if ( preg_match( '#Could not connect to xmms2d#i', $output[0] ) ) {
  45       exec( 'xmms2-launcher', &$output, &$retval );
  46       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  47       exec( 'xmms2 playlist type Default queue', &$output, &$retval );
  48       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  49       $output = array();
  50       $retval = 0;
  51       exec( $command, &$output, &$retval );
  52     }
  53     return $output;
  54   }
  55
  56   /**
  57   * Do a question/response pair with the daemon via nyxmms2
  58   */
  59   function Daemon( $say ) {
  60     if ( ! $this->active ) $this->Connect();
  61
  62     $command = 'LC_ALL=en_NZ.UTF8 nyxmms2 ' . $say . ' 2>&1';
  63     $output = array();
  64     $retval = 0;
  65     error_log("adorno: DBG: NYCLICMD: >>>$command<<<");
  66     exec( $command, &$output, &$retval );
  67
  68     if ( preg_match( '#Could not connect to #i', $output[0] ) ) {
  69       exec( 'xmms2-launcher', &$output, &$retval );
  70       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  71       exec( 'xmms2 playlist type Default queue', &$output, &$retval );
  72       error_log("adorno: DBG: Launching XMMS2 daemon: ($retval) - " . $output[0]);
  73       $output = array();
  74       $retval = 0;
  75       exec( $command, &$output, &$retval );
  76     }
  77     return $output;
  78   }
  79
  80   /**
  81   * Query the xmms2 about it's current status
  82   */
  83   function UpdateStatus( $force = false ) {
  84     if ( ! $force && is_array($this->status) ) return;
  85     $this->status = array();
  86     $status = $this->Daemon( "status" );
  87     $this->status['state'] = preg_replace( '/:.*$/', '', $status[0]);
  88     $status = $this->Daemon( "info" );
  89     foreach( $status AS $k => $v ) {
  90       list( $key, $value ) = preg_split( '/ = /', $v, 2);
  91       if ( preg_match( '/\b(url|laststarted|duration|mime|album|artist|title)\s*$/', $key, $matches ) ) {
  92         $key = $matches[1];
  93       }
  94       if ( preg_match( '/\%[0-9a-f][0-9a-f]/i', $value ) ) {
  95         $value = rawurldecode($value);
  96       }
  97       // printf( "<p>status[%s] = [[%s]]</p>\n", $key, $value );
  98       $this->status[$key] = $value;
  99     }
 100   }
 101
 102
 103   /**
 104   * Encode a filename to escape spaces & stuff.
 105   */
 106   function EncodeFileName( $track ) {
 107     if ( preg_match( '#[a-z]{3,7}://#', $track ) ) {
 108       return $track;
 109     }
 110     $encoded = str_replace( chr(92), '\\\\', $track);
 111     $encoded = str_replace( '"', '\\"', $track);
 112     // $encoded = str_replace( "'", "\\'", $track);
 113     // $encoded = preg_replace( '/([\\\'"#&;`|*?~<>^\(\)[]{}$ ])/', '\\\\\1', $encoded);
 114     # $encoded = escapeshellarg($track);
 115     $encoded = '"file://' . $encoded . '"';
 116     error_log( "Trying to play: $encoded" );
 117     return $encoded;
 118   }
 119
 120
 121   /**
 122   * Play a track.  Xmms2 is OK if we tell it to play when it is already.
 123   */
 124   function Play( $track ) {
 125     global $c;
 126
 127     $this->UpdateStatus( ($this->status['state'] == 'Stopped') );
 128
 129     // Replace ' with '' so escapeshellcmd reliably ignores it, then with \' afterwards
 130     $this->Daemon("add ". $this->EncodeFileName($track));
 131     if ( $this->status['state'] == 'Stopped' ) {
 132       $this->Daemon("next");
 133       $this->Daemon("play");
 134     }
 135     else
 136       $this->Daemon("play");
 137   }
 138
 139
 140   /**
 141   * Move a track in the playlist
 142   */
 143   function MoveTrack( $index, $offset ) {
 144     if ( $index < 1 || ($index + $offset) < 1 ) return;  // Can't move playing track
 145
 146     $this->Daemon( sprintf("move %d %d", $index, $index + $offset ) );
 147   }
 148
 149
 150   /**
 151   * Query the xmms2 about it's current playlist and position
 152   */
 153   function GetCurrent() {
 154     global $c;
 155
 156     $this->UpdateStatus();
 157     $songnow = (object) array();
 158     $songnow->started = date( 'Y-m-d H:i:s', $this->status['laststarted'] );
 159     $songnow->track = str_replace( 'file://', '', $this->status['url'] );
 160     $songnow->duration = intval($this->status['duration']) / 1000;
 161     $songnow->finishing = date( 'Y-m-d H:i:s', $this->status['laststarted'] + $songnow->duration);
 162
 163     // printf( "<p>Song now is: %s started %s, finishes %s</p>\n", $songnow->track, $songnow->started, $songnow->finishing );
 164
 165     return $songnow;
 166   }
 167
 168   /**
 169   * Query the xmms2 about it's current playlist and position
 170   */
 171   function GetQueue() {
 172     global $c;
 173
 174     $this->UpdateStatus();
 175
 176     $this->queue = array();
 177
 178     $filename = "";
 179     $pos = -1;
 180
 181     $playlist = $this->Daemon( "list" );
 182     foreach( $playlist AS $k => $v ) {
 183
 184       $filename = $v;
 185       if ( preg_match( '{@@(.+)@@}', $v, $matches ) ) $filename = $matches[1];
 186       // echo "<p>$filename</p>\n";
 187       if ( $pos >= 0 ) {
 188         if ( substr($filename,0,7) == 'file://' ) {
 189           $filename = substr( $filename, 7 );
 190           $filename = urldecode( $filename );
 191           $this->queue[$pos++] = $filename;
 192         }
 193       }
 194       else if ( $pos < 0 && substr( $v, 0, 2) == '->' ) {
 195         $pos = 0;
 196         // echo "<p>Pos($pos) $k == $v</p>\n";
 197       }
 198       else {
 199         // echo "<p>Pos($pos) $k -> $v</p>\n";
 200       }
 201     }
 202
 203     return $this->queue;
 204   }
 205
 206 }
 207
 208 $GLOBALS["xmms2"] = new xmms2Connection();
 209
 210
 211
 212
 213
 214 /******************************************************************
 215 * The actual API the web interface calls is then very simple...
 216 ******************************************************************/
 217
 218 /**
 219 * Queue a file for playing
 220 */
 221 function daemon_play_track( $path ) {
 222   global $xmms2;
 223   error_log("adorno: DBG: Trying to play '$path'");
 224   $xmms2->Play( $path );
 225 }
 226
 227
 228 /**
 229 * Get a list of the files currently queued for the future
 230 */
 231 function daemon_get_queue() {
 232   global $xmms2;
 233   $q = $xmms2->GetQueue();
 234   return $q;
 235 }
 236
 237
 238 /**
 239 * Get the currently playing track and it's starting time
 240 */
 241 function daemon_current_track() {
 242   global $xmms2;
 243   return $xmms2->GetCurrent();
 244 }
 245
 246
 247 /**
 248 * Get the currently playing track and it's starting time
 249 */
 250 function daemon_other_command( $action, $track ) {
 251   global $xmms2;
 252   switch( $action ) {
 253     case 'resume':
 254       $xmms2->Daemon('play');
 255       break;
 256     case 'pause':
 257       $xmms2->Daemon($action);
 258       break;
 259     case 'next':
 260       $xmms2->Daemon($action);
 261       break;
 262     default:
 263       error_log("adorno: ERROR: Unsupported command '$action'" );
 264   }
 265
 266   return true;
 267 }
 268
 269 /**
 270 * Get the currently playing track and it's starting time
 271 */
 272 function daemon_move( $index, $offset ) {
 273   global $xmms2;
 274   return $xmms2->MoveTrack($index,$offset);
 275 }
 276
 277