Examples of de.sciss.io.AudioFileDescr

de.sciss.io.AudioFileDescr
An AudioFileDescr is a data structure that describes the format of an AudioFile. It was public readable fields for common parameters such as sample rate and bitdepth. More specific features such as markers or gain chunks are stored using a Map object being accessed throught the setProperty and getProperty methods. A corresponding GUI element, the AudioFileFormatPane exists which presents the common fields to the user. @author Hanns Holger Rutz @version 0.28, 07-Dec-07 @see AudioFile @see AudioFileFormatPane @todo all files are considered big endian at themoment which might be inconvenient on non mac systems because there are for example different endian versions for ircam and we cannot read the little endian one. aiff however is per se big endian and should therefore cause no trouble.

    final SpringPanel      recPane;
    final Container        cp        = getContentPane();
    final JPanel        butPane;
    final WindowAdapter      winListener;
    final String        className    = getClass().getName();
    final AudioFileDescr    displayAFD    = doc.getDisplayDescr();
    final JButton        ggPeakReset;
    final JToolBar        tbMonitoring;
    final TimeLabel        lbTime;
    final MessageFormat      frmtPeak    = new MessageFormat( getResourceString( "msgPeak" ), Locale.US ); // XXX Locale.US
    final Object[]        peakArgs    = new Object[1];

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    final Span[]    fileSpans  = new Span[ audioFiles.length ];
    final AudioFile[]  cacheAFs  = new AudioFile[ audioFiles.length ];
    final String    ourCode    = AbstractApplication.getApplication().getMacOSCreator();
    final int[][]    channelMaps  = createCacheChannelMaps();
    AudioStake      result    = null;
    AudioFileDescr    afd;
    byte[]        appCode;
    AudioFileCacheInfo  infoA, infoB;


    try {
      for( int i = 0; i < cacheAFs.length; i++ ) {
// System.out.println( "openCacheForRead checking '" + f[ i ].getAbsolutePath() + "'" );
        
        if( !f[ i ].isFile() ) return null;
        cacheAFs[ i ] = AudioFile.openAsRead( f[ i ]);
        cacheAFs[ i ].readAppCode();
        afd = cacheAFs[ i ].getDescr();
        final long expected = ((audioFiles[ i ].getFrameNum() + MAXCEILADD) & MAXMASK) >> decimHelps[ 0 ].shift;
        // System.out.println( "expected " + expected+ "; cacheF " +
        // cacheAFs[ i ].getFile().getAbsolutePath() );
        if( expected != afd.length ) {
          // System.err.println( "expected numFrames = "+ expected +
          // ", but got " + afd.length );
          return null;
        }
        appCode = (byte[]) afd.getProperty( AudioFileDescr.KEY_APPCODE );
        // System.err.println( "ourCode = '" + ourCode + "'; afd.appCode
        // = '" + afd.appCode + "'; appCode = '" + appCode + "'" );
        if( ourCode.equals( afd.appCode ) && (appCode != null) ) {
          infoA = AudioFileCacheInfo.decode( appCode );
          if( infoA != null ) {

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  {
    final File[]      f      = createCacheFileNames();
    if( f == null ) return null;


    final AudioFile[]    audioFiles  = fullScale.getAudioFiles();
    final AudioFileDescr  afdProto  = new AudioFileDescr();
    final CacheManager    cm      = PrefCacheManager.getInstance();
    final Span[]      fileSpans  = new Span[ audioFiles.length ];
    final AudioFile[]    cacheAFs  = new AudioFile[ audioFiles.length ];
    final String      ourCode    = AbstractApplication.getApplication().getMacOSCreator();
    final int[][]      channelMaps  = createCacheChannelMaps();
    AudioStake        result    = null;
    AudioFileDescr      afd;
    AudioFileCacheInfo    info;


    afdProto.type      = AudioFileDescr.TYPE_AIFF;
    afdProto.bitsPerSample  = 32;
    afdProto.sampleFormat  = AudioFileDescr.FORMAT_FLOAT;
    afdProto.rate      = decimHelps[ 0 ].rate; // getRate();
    afdProto.appCode    = ourCode;


    try {
      for( int i = 0; i < f.length; i++ ) {
        cm.removeFile( f[ i ]); // in case it existed
// System.out.println( "openCacheForWrite doing '" + f[ i ].getAbsolutePath() + "'" );
        afd        = new AudioFileDescr( afdProto );
        afd.channels  = channelMaps[ i ].length;
        // System.out.println( "channels = " + afd.channels );
        afd.file    = f[ i ];
        info      = new AudioFileCacheInfo( audioFiles[ i ], decimModel, audioFiles[ i ].getFrameNum() );
        afd.setProperty( AudioFileDescr.KEY_APPCODE, info.encode() );
        cacheAFs[ i ]  = AudioFile.openAsWrite( afd );
        fileSpans[ i ]  = new Span( 0, decimFrameNum );
      }
      // XXX WE NEED A WAY TO CLOSE THE FILES UPON STAKE DISPOSAL XXX
      if( channelMaps.length == 1 ) {

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    new LooseFocusAction( ggComment );
    ggComment.addFocusListener( new FocusAdapter() {
      public void focusLost( FocusEvent e )
      {
        if( doc != null ) {
          final AudioFileDescr  displayAFD  = doc.getDisplayDescr();
          final String      newText    = ggComment.getText();
          final String      oldText    = (String) displayAFD.getProperty( AudioFileDescr.KEY_COMMENT );
          
          if( !newText.equals( oldText )) {
            doc.getUndoManager().addEdit( new EditChangeAudioFileDescr( this, displayAFD,
              AudioFileDescr.KEY_COMMENT, newText, getResourceString( "editChangeComment" )).perform() );
          }

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    BasicWindowHandler.showErrorDialog( getWindow(), e, processName );
  }


  protected void updateAFDGadget()
  {
    final AudioFileDescr  displayAFD  = doc.getDisplayDescr();
    final AudioFileDescr[]  afds    = doc.getDescr();
    displayAFD.rate            = timelineRate;
    displayAFD.length          = timelineLen;
    for( int i = 0; i < afds.length; i++ ) {
      afds[ i ].rate          = displayAFD.rate;
      afds[ i ].length        = displayAFD.length;
    }
    ggAudioFileDescr.setText( displayAFD.getFormat() );
    
    pOverlay.performFade( 0f, 1000, 250 );
//    if( !ggAudioFileDescr.isVisible() ) {
//      hideProgressBarTimer.stop();
//      hideProgressBarListener.actionPerformed( null );

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//    }
  }


  protected void updateCursorFormat()
  {
    final AudioFileDescr displayAFD  = doc.getDisplayDescr();
    csrInfoBits            = displayAFD.bitsPerSample;
    csrInfoIsInt          = displayAFD.sampleFormat == AudioFileDescr.FORMAT_INT;
  }

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    public void actionPerformed( ActionEvent e )
    {
      final ClipboardTrackList  tl    = doc.getSelectionAsTrackList();
      final Session        doc2;
      final AudioFileDescr    afd, afd2;
      final int          selChans;
      final ProcessingThread    pt;
      
      if( tl == null ) return;
      
      selChans      = tl.getTrackNum( AudioTrail.class );
      
      afd          = doc.getDisplayDescr();
      afd2        = new AudioFileDescr();
      afd2.bitsPerSample  = afd.bitsPerSample;
      afd2.channels    = selChans;
      afd2.rate      = afd.rate;
      afd2.sampleFormat  = afd.sampleFormat;

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     *  wasn't saved before, a file chooser
     *  is shown before.
     */
    public void actionPerformed( ActionEvent e )
    {
      final AudioFileDescr  displayAFD  = doc.getDisplayDescr();      
      final AudioFileDescr[]  afds;


      if( displayAFD.file == null ) {
        afds = actionSaveAs.query( doc.getDescr() );
      } else {

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  }


  protected InterleavedStreamFile createTempFile( int numChannels, double rate )
  throws IOException
  {
    final AudioFileDescr afd = new AudioFileDescr();
    AudioFile af;
    
    afd.type      = AudioFileDescr.TYPE_AIFF;
    afd.channels    = numChannels;
    afd.rate      = rate;

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  protected AudioFile[] createTempFiles()
  throws IOException
  {
    // simply use an AIFC file with float format as temp file
    final AudioFileDescr proto  = new AudioFileDescr();
    final AudioFile[] tempFiles  = new AudioFile[ SUBNUM ];
    AudioFileDescr afd;
    proto.type          = AudioFileDescr.TYPE_AIFF;
    proto.channels        = decimChannels;
    proto.bitsPerSample      = 32;
    proto.sampleFormat      = AudioFileDescr.FORMAT_FLOAT;
    // proto.bitsPerSample = 8;
    // proto.sampleFormat = AudioFileDescr.FORMAT_INT;
    try {
      for( int i = 0; i < SUBNUM; i++ ) {
        afd        = new AudioFileDescr( proto );
        afd.file    = IOUtil.createTempFile();
        afd.rate    = decimHelps[ i ].rate;
        tempFiles[ i ]  = AudioFile.openAsWrite( afd );
      }
      return tempFiles;

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