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.

      }
    }
    
    private AudioFileDescr query()
    {
      final AudioFileDescr    afd      = new AudioFileDescr();
//      final JOptionPane      dlg;
      final String[]        queryOptions = { getResourceString( "buttonCreate" ),
                             getResourceString( "buttonCancel" )};
      final int          result;
//      final Object        result;

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//              getValue( NAME ).toString(), JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE,
//              null, queryOptions, queryOptions[1] );
            result = BasicWindowHandler.showDialog( op2, getWindow(), getValue( NAME ).toString() );
            if( result != 0 ) return null;
          }
          afds[ k ]    = new AudioFileDescr( protoType[ j ]);
          affp.toDescr( afds[ k ]);
          afds[ k ].file  = f;
          afds[ k ].channels = channelsUsed[ j ];
          k++;
        }

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      final File          recFile;
      final Session        tmpDoc;
      final ClipboardTrackList  tl;
      final ProcessingThread    pt;
      final Session        targetDoc;
      final AudioFileDescr    afd, afd2;
    
      try {
        recDlg  = new RecorderDialog( doc );
      }
      catch( IOException e1 ) {
        BasicWindowHandler.showErrorDialog( getWindow(), e1, getValue( NAME ).toString() );
        return;
      }
      recFile  = recDlg.getResult();
      
      if( recFile != null ) {
        try {
//          if( true ) throw new IOException( "test" );
          tmpDoc  = Session.newFrom( recFile, false, false );
        }
        catch( IOException e1 ) {
          GUIUtil.displayError( getWindow(), e1, getValue( NAME ).toString() );
          confirmDelete( recFile );
          return;
        }
        tl    = new ClipboardTrackList( tmpDoc, new Span( 0, tmpDoc.timeline.getLength() ), tmpDoc.tracks.getAll() );
        if( doc.checkProcess()) {
          targetDoc      = doc;
        } else {  // doc busy, save the recording by creating a separate document
          afd          = doc.getDisplayDescr();
          afd2        = new AudioFileDescr();
          afd2.bitsPerSample  = afd.bitsPerSample;
          afd2.channels    = afd.channels;
          afd2.rate      = afd.rate;
          afd2.sampleFormat  = afd.sampleFormat;
          targetDoc      = ((MenuFactory) app.getMenuFactory()).newDocument( afd2 );

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  public static AudioTrail newFrom( AudioFile af )
  throws IOException
  {
    final AudioFileDescr  afd      = af.getDescr();
    final int[][]      channelMaps = new int[ 1 ][ afd.channels ];
    final AudioTrail    at;
    final Span        span    = new Span( 0, afd.length );


    for( int i = 0; i < afd.channels; i++ ) {

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    if( afs.length == 1 ) return newFrom( afs[ 0 ]);
    if( afs.length == 0 ) throw new IllegalArgumentException( "Need at least one audio file" );
    
    final long      length;
    final double    rate;
    AudioFileDescr    afd;
    final int[][]    channelMaps;
    final Span      span;
    final AudioTrail  at;
    final Span[]    fileSpans  = new Span[ afs.length ];

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  public void exchange( AudioFile af )
  throws IOException
  {
    if( audioFiles.length != 1 ) throw new IllegalStateException();
  
    final AudioFileDescr  afd      = af.getDescr();
    final Span        span    = new Span( 0, afd.length );


    if( afd.channels != channelMaps[ 0 ].length ) throw new IllegalStateException();


//    clear( null );

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    if( audioFiles.length != afs.length ) throw new IllegalStateException();
    
    final long      length;
    final double    rate;
    AudioFileDescr    afd;
    final Span      span;
    final Span[]    fileSpans  = new Span[ afs.length ];
    
    afd      = afs[ 0 ].getDescr();
    length    = afd.length;

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//    }
    
   private void createTempFiles()
    throws IOException
  {
    final AudioFileDescr afd  = new AudioFileDescr();
    afd.type          = AudioFileDescr.TYPE_AIFF;
    afd.rate          = getRate();
    afd.bitsPerSample      = 32;
    afd.sampleFormat      = AudioFileDescr.FORMAT_FLOAT;


    if( singleFile ) {
      afd.channels      = getChannelNum();
      afd.file        = IOUtil.createTempFile();
      tempF          = new AudioFile[] { AudioFile.openAsWrite( afd )};
    } else {
      AudioFileDescr afd2;
      final AudioFile[] tempF2 = new AudioFile[ channelMaps.length ];
      for( int i = 0; i < channelMaps.length; i++ ) {
        afd2        = new AudioFileDescr( afd );
        afd2.channels    = channelMaps[ i ].length;
        afd2.file      = IOUtil.createTempFile();
        tempF2[ i ]      = AudioFile.openAsWrite( afd2 );
      }
      // real assignment here coz tempF will remain null if error occurs in the loop

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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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