File	Doc	Category	Size	Date	Package
OggFileReader.java	API Doc	Jaudiotagger 2.0.4	5158	Wed Mar 30 16:11:54 BST 2011	org.jaudiotagger.audio.ogg

OggFileReader

• java.lang.Object
  • org.jaudiotagger.audio.generic.AudioFileReader

Fields Summary
public static Logger	logger
private org.jaudiotagger.audio.ogg.util.OggInfoReader	ir
private OggVorbisTagReader	vtr

Constructors Summary
public OggFileReader() ir = new OggInfoReader(); vtr = new OggVorbisTagReader();

Methods Summary
protected org.jaudiotagger.audio.generic.GenericAudioHeader	getEncodingInfo(java.io.RandomAccessFile raf) return ir.read(raf);
protected org.jaudiotagger.tag.Tag	getTag(java.io.RandomAccessFile raf) return vtr.read(raf);
public org.jaudiotagger.audio.ogg.util.OggPageHeader	readOggPageHeader(java.io.RandomAccessFile raf, int count) Return count Ogg Page header, count starts from zero count=0; should return PageHeader that contains Vorbis Identification Header count=1; should return Pageheader that contains VorbisComment and possibly SetupHeader count>=2; should return PageHeader containing remaining VorbisComment,SetupHeader and/or Audio param raf param count return throws CannotReadException throws IOException OggPageHeader pageHeader = OggPageHeader.read(raf); while (count > 0) { raf.seek(raf.getFilePointer() + pageHeader.getPageLength()); pageHeader = OggPageHeader.read(raf); count--; } return pageHeader;
public void	shortSummarizeOggPageHeaders(java.io.File oggFile) Summarizes the first five pages, normally all we are interested in param oggFile throws CannotReadException throws IOException RandomAccessFile raf = new RandomAccessFile(oggFile, "r"); int i = 0; while (raf.getFilePointer() < raf.length()) { System.out.println("pageHeader starts at absolute file position:" + raf.getFilePointer()); OggPageHeader pageHeader = OggPageHeader.read(raf); System.out.println("pageHeader finishes at absolute file position:" + raf.getFilePointer()); System.out.println(pageHeader + "\n"); raf.seek(raf.getFilePointer() + pageHeader.getPageLength()); i++; if(i>=5) { break; } } System.out.println("Raf File Pointer at:" + raf.getFilePointer() + "File Size is:" + raf.length()); raf.close();
public void	summarizeOggPageHeaders(java.io.File oggFile) Summarize all the ogg headers in a file A useful utility function param oggFile throws CannotReadException throws IOException RandomAccessFile raf = new RandomAccessFile(oggFile, "r"); while (raf.getFilePointer() < raf.length()) { System.out.println("pageHeader starts at absolute file position:" + raf.getFilePointer()); OggPageHeader pageHeader = OggPageHeader.read(raf); System.out.println("pageHeader finishes at absolute file position:" + raf.getFilePointer()); System.out.println(pageHeader + "\n"); raf.seek(raf.getFilePointer() + pageHeader.getPageLength()); } System.out.println("Raf File Pointer at:" + raf.getFilePointer() + "File Size is:" + raf.length()); raf.close();