1 files changed, 142 insertions, 0 deletions
diff --git a/engine/src/jogg/com/jme3/audio/plugins/CachedOggStream.java b/engine/src/jogg/com/jme3/audio/plugins/CachedOggStream.java
new file mode 100644
index 0000000..9b7c980
--- /dev/null
+++ b/engine/src/jogg/com/jme3/audio/plugins/CachedOggStream.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (c) 2009-2010 jMonkeyEngine
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ *   may be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+package com.jme3.audio.plugins;
+
+import com.jme3.util.IntMap;
+import de.jarnbjo.ogg.LogicalOggStream;
+import de.jarnbjo.ogg.LogicalOggStreamImpl;
+import de.jarnbjo.ogg.OggPage;
+import de.jarnbjo.ogg.PhysicalOggStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ *  Implementation of the <code>PhysicalOggStream</code> interface for reading
+ *  and caching an Ogg stream from a URL. This class reads the data as fast as
+ *  possible from the URL, caches it locally either in memory or on disk, and
+ *  supports seeking within the available data.
+ */
+public class CachedOggStream implements PhysicalOggStream {
+
+    private boolean closed = false;
+    private boolean eos = false;
+    private boolean bos = false;
+    private InputStream sourceStream;
+    private HashMap<Integer, LogicalOggStream> logicalStreams 
+            = new HashMap<Integer, LogicalOggStream>();
+    
+    private IntMap<OggPage> oggPages = new IntMap<OggPage>();
+    private OggPage lastPage;
+   
+    private int pageNumber;
+    
+    public CachedOggStream(InputStream in) throws IOException {
+        sourceStream = in;
+
+        // Read all OGG pages in file
+        long time = System.nanoTime();
+        while (!eos){
+            readOggNextPage();
+        }
+        long dt = System.nanoTime() - time;
+        Logger.getLogger(CachedOggStream.class.getName()).log(Level.INFO, "Took {0} ms to load OGG", dt/1000000);
+    }
+
+    public OggPage getLastOggPage() {
+        return lastPage;
+    }
+    
+    private LogicalOggStream getLogicalStream(int serialNumber) {
+        return logicalStreams.get(Integer.valueOf(serialNumber));
+    }
+
+    public Collection<LogicalOggStream> getLogicalStreams() {
+        return logicalStreams.values();
+    }
+
+    public boolean isOpen() {
+        return !closed;
+    }
+
+    public void close() throws IOException {
+        closed = true;
+        sourceStream.close();
+    }
+
+    public OggPage getOggPage(int index) throws IOException {
+        return oggPages.get(index);
+    }
+
+   public void setTime(long granulePosition) throws IOException {
+       for (LogicalOggStream los : getLogicalStreams()){
+           los.setTime(granulePosition);
+       }
+   }
+
+   private int readOggNextPage() throws IOException {
+       if (eos)
+           return -1;
+
+       OggPage op = OggPage.create(sourceStream);
+       if (!op.isBos()){
+           bos = true;
+       }
+       if (op.isEos()){
+           eos = true;
+           lastPage = op;
+       }
+
+       LogicalOggStreamImpl los = (LogicalOggStreamImpl) logicalStreams.get(op.getStreamSerialNumber());
+       if(los == null) {
+          los = new LogicalOggStreamImpl(this, op.getStreamSerialNumber());
+          logicalStreams.put(op.getStreamSerialNumber(), los);
+          los.checkFormat(op);
+       }
+
+       los.addPageNumberMapping(pageNumber);
+       los.addGranulePosition(op.getAbsoluteGranulePosition());
+
+       oggPages.put(pageNumber, op);
+       pageNumber++;
+
+       return pageNumber-1;
+   }
+
+   public boolean isSeekable() {
+      return true;
+   }
+}
+\ No newline at end of file