From 9fee0ec4ca0c5b7a334cc29dbb58e76c7a4c736e Mon Sep 17 00:00:00 2001
From: Michiel Van Der Kolk <not.valid@email.address>
Date: Mon, 11 Jul 2005 15:42:37 +0000
Subject: Songdb java version, source. only 1.5 compatible

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7101 a1c6a512-1295-4272-9138-f99709370657
---
 songdbj/de/jarnbjo/ogg/PhysicalOggStream.java | 124 ++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 songdbj/de/jarnbjo/ogg/PhysicalOggStream.java

(limited to 'songdbj/de/jarnbjo/ogg/PhysicalOggStream.java')

diff --git a/songdbj/de/jarnbjo/ogg/PhysicalOggStream.java b/songdbj/de/jarnbjo/ogg/PhysicalOggStream.java
new file mode 100644
index 0000000000..5f342a38b7
--- /dev/null
+++ b/songdbj/de/jarnbjo/ogg/PhysicalOggStream.java
@@ -0,0 +1,124 @@
+/*
+ * $ProjectName$
+ * $ProjectRevision$
+ * -----------------------------------------------------------
+ * $Id$
+ * -----------------------------------------------------------
+ *
+ * $Author$
+ *
+ * Description:
+ *
+ * Copyright 2002-2003 Tor-Einar Jarnbjo
+ * -----------------------------------------------------------
+ *
+ * Change History
+ * -----------------------------------------------------------
+ * $Log$
+ * Revision 1.1  2005/07/11 15:42:36  hcl
+ * Songdb java version, source. only 1.5 compatible
+ *
+ * Revision 1.1.1.1  2004/04/04 22:09:12  shred
+ * First Import
+ *
+ * Revision 1.3  2003/04/10 19:48:22  jarnbjo
+ * no message
+ *
+ * Revision 1.2  2003/03/31 00:23:04  jarnbjo
+ * no message
+ *
+ * Revision 1.1  2003/03/03 21:02:20  jarnbjo
+ * no message
+ *
+ */
+
+package de.jarnbjo.ogg;
+
+import java.io.IOException;
+import java.util.Collection;
+
+/**
+ * Interface providing access to a physical Ogg stream. Typically this is
+ * a file.
+ */
+
+public interface PhysicalOggStream {
+
+   /**
+    * Returns a collection of objects implementing <code>LogicalOggStream</code>
+    * for accessing the separate logical streams within this physical Ogg stream.
+    *
+    * @return a collection of objects implementing <code>LogicalOggStream</code>
+    *         which are representing the logical streams contained within this
+    *         physical stream
+    *
+    * @see LogicalOggStream
+    */
+
+   public Collection getLogicalStreams();
+
+   /**
+    * Return the Ogg page with the absolute index <code>index</code>,
+    * independent from the logical structure of this stream or if the
+    * index parameter is -1, the next Ogg page is returned.
+    * This method should only be used by implementations of <code>LogicalOggStream</code>
+    * to access the raw pages.
+    *
+    * @param index the absolute index starting from 0 at the beginning of
+    *        the file or stream or -1 to get the next page in a non-seekable
+    *        stream
+    *
+    * @return the Ogg page with the physical absolute index <code>index</code>
+    *
+    * @throws OggFormatException if the ogg stream is corrupted
+    * @throws IOException if some other IO error occurs
+    */
+
+   public OggPage getOggPage(int index) throws OggFormatException, IOException;
+
+   /**
+    * Checks if this stream is open for reading.
+    *
+    * @return <code>true</code> if this stream is open for reading,
+    *         <code>false</code> otherwise
+    */
+
+   public boolean isOpen();
+
+   /**
+    * Closes this stream. After invoking this method, no further access
+    * to the streams data is possible.
+    *
+    * @throws IOException
+    */
+
+   public void close() throws IOException;
+
+   /**
+    * Sets this stream's (and its logical stream's) position to the granule
+    * position. The next packet read from any logical stream will be the
+    * first packet beginning on the first page with a granule position higher
+    * than the argument.<br><br>
+    *
+    * At the moment, this method only works correctly for Ogg files with
+    * a single logical Vorbis stream, and due to the different interpretations
+    * of the granule position, depending on mixed content, this method will
+    * never be able to work for mixed streams. Chained and interleaved streams are
+    * also not yet supported. Actually, this method is only a hack to support
+    * seeking from JMF, but may of course be abused otherwise too :)
+    *
+    * @param granulePosition
+    *
+    * @throws OggFormatException if the ogg stream is corrupted
+    * @throws IOException if some other IO error occurs
+    */
+
+   public void setTime(long granulePosition) throws OggFormatException, IOException;
+
+	/**
+	 *  @return <code>true</code> if the stream is seekable, <code>false</code>
+	 *          otherwise
+	 */
+
+   public boolean isSeekable();
+}
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