Fixed Issue 18: Added InputStream support for Buffer Creation for AudioSystem3D

Applied patch from conzar and also added symmetric loadSource(InputStream).

git-svn-id: file:///home/mbien/NetBeansProjects/JOGAMP/joal-sync/git-svn/../svn-server-sync/joal/trunk@527 03bf7f67-59de-4072-a415-9a990d468a3f

2 files changed, 56 insertions, 16 deletions

diff --git a/make/joal.cfg b/make/joal.cfg
index 3bc9350..9c1901a 100755
--- a/make/joal.cfg
+++ b/make/joal.cfg
@@ -19,21 +19,11 @@ Import com.sun.gluegen.runtime.*
 # Factor out the OpenAL constants into their own interface
 Ignore ^AL_.+
 
-# alGetProcAddress is broken for core OpenAL routines at least up
-# through OpenAL 1.1, so we have to implement our own dlsym()
-# operation in order to populate the ALProcAddressTable and
-# ALCProcAddressTable. If / when it is fixed and we don't need
-# compatibility with preexisting OpenAL 1.0 and 1.1 installations we
-# can enable the code below, except presumably for the bootstrapping
-# routines alcOpenDevice, alcCreateContext, alcMakeContextCurrent, and
-# alGetProcAddress itself.
-Ignore alGetProcAddress
-
 # This routine is not exposed in the public API
-# AccessControl alGetProcAddress PACKAGE_PRIVATE
+AccessControl alGetProcAddress PACKAGE_PRIVATE
 # We also have to hack its return type for now because we can't make
 # just that void* opaque
-# Opaque long ALproc
+Opaque long ALproc
 
 # This routine doesn't seem to exist
 Ignore alHint
diff --git a/src/java/net/java/games/sound3d/AudioSystem3D.java b/src/java/net/java/games/sound3d/AudioSystem3D.java
index ea1affa..91fd45a 100644
--- a/src/java/net/java/games/sound3d/AudioSystem3D.java
+++ b/src/java/net/java/games/sound3d/AudioSystem3D.java
@@ -37,7 +37,7 @@ import net.java.games.joal.*;
 import net.java.games.joal.util.WAVData;
 import net.java.games.joal.util.WAVLoader;
 
-import java.io.IOException;
+import java.io.*;
 
 import javax.sound.sampled.UnsupportedAudioFileException;
 
@@ -137,7 +137,7 @@ public class AudioSystem3D {
    *
    * @throws IOException If the file cannot be found or some other IO error
    * occurs. 
-   * @throws UnsupportedAudioFileException If the format of the sudio data is
+   * @throws UnsupportedAudioFileException If the format of the audio data is
    * not supported
    */
   public static Buffer loadBuffer(String filename)
@@ -153,8 +153,37 @@ public class AudioSystem3D {
   }
 
   /**
+   * Loads a Sound3D buffer with the specified audio file.
+   *
+   * @param stream contains the stream associated with the audio file.
+   *
+   * @return a new Sound3D buffer containing the audio data from the
+   * passed stream.
+   *
+   * @throws IOException If the stream cannot be read or some other IO error
+   * occurs. 
+   * @throws UnsupportedAudioFileException If the format of the audio data is
+   * not supported
+   */
+  public static Buffer loadBuffer(InputStream stream)
+    throws IOException, UnsupportedAudioFileException {
+    Buffer result;
+    Buffer[] tmp = generateBuffers(1);
+    result = tmp[0];
+ 
+    if (!(stream instanceof BufferedInputStream)) {
+      stream = new BufferedInputStream(stream);
+    }
+    WAVData wd = WAVLoader.loadFromStream(stream);
+ 
+    result.configure(wd.data, wd.format, wd.freq);
+ 
+    return result;
+  }
+
+  /**
    * Loads a Sound3D Source with the specified audio file. This is
-   * functionally equivelant to generateSource(loadBuffer(fileName));
+   * functionally equivalent to generateSource(loadBuffer(fileName));
    *
    * @param filename the name of the file to load.
    *
@@ -163,7 +192,7 @@ public class AudioSystem3D {
    *
    * @throws IOException If the file cannot be found or some other IO error
    * occurs. 
-   * @throws UnsupportedAudioFileException If the format of the sudio data is
+   * @throws UnsupportedAudioFileException If the format of the audio data is
    * not supported
    */
   public static Source loadSource(String filename)
@@ -174,6 +203,27 @@ public class AudioSystem3D {
   }
 
   /**
+   * Loads a Sound3D Source with the specified audio stream. This is
+   * functionally equivalent to generateSource(loadBuffer(stream));
+   *
+   * @param stream contains the stream associated with the audio file.
+   *
+   * @return a new Sound3D Source containing the audio data from the
+   * passed stream.
+   *
+   * @throws IOException If the file cannot be found or some other IO error
+   * occurs. 
+   * @throws UnsupportedAudioFileException If the format of the audio data is
+   * not supported
+   */
+  public static Source loadSource(InputStream stream)
+    throws IOException, UnsupportedAudioFileException {
+    Buffer buffer = loadBuffer(stream);
+
+    return generateSource(buffer);
+  }
+
+  /**
    * Generates a set of uninitialized Source3D sources
    *
    * @param numSources the number of Sound3D sources to generate.