1 files changed, 93 insertions, 0 deletions
diff --git a/src/java/jogamp/openal/ALCImpl.java b/src/java/jogamp/openal/ALCImpl.java
new file mode 100644
index 0000000..75fc47d
--- /dev/null
+++ b/src/java/jogamp/openal/ALCImpl.java
@@ -0,0 +1,93 @@
+/*
+ * Created on Saturday, July 10 2010 17:08
+ */
+package com.jogamp.openal.impl;
+
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.openal.ALException;
+import com.jogamp.openal.ALCdevice;
+import java.io.UnsupportedEncodingException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+
+/**
+ * ALC implementation.
+ * @author Michael Bien
+ */
+public class ALCImpl extends ALCAbstractImpl {
+
+    public String alcGetString(ALCdevice device, int param) {
+        if (device == null && param == ALC_DEVICE_SPECIFIER) {
+            throw new ALException("Call alcGetDeviceSpecifiers to fetch all available device names");
+        }
+
+        ByteBuffer buf = alcGetStringImpl(device, param);
+        if (buf == null) {
+            return null;
+        }
+        byte[] res = new byte[buf.capacity()];
+        buf.get(res);
+        try {
+            return new String(res, "US-ASCII");
+        } catch (UnsupportedEncodingException e) {
+            throw new ALException(e);
+        }
+    }
+
+    /** Entry point (through function pointer) to C language function: <br> <code> const ALCchar *  alcGetString(ALCdevice *  device, ALCenum param); </code>    */
+    public ByteBuffer alcGetStringImpl(ALCdevice device, int param) {
+
+        final long __addr_ = getALCProcAddressTable()._addressof_alcGetString;
+        if (__addr_ == 0) {
+            throw new UnsupportedOperationException("Method \"alcGetStringImpl\" not available");
+        }
+        ByteBuffer _res;
+        _res = dispatch_alcGetStringImpl1(((device == null) ? null : device.getBuffer()), param, __addr_);
+        if (_res == null) {
+            return null;
+        }
+        Buffers.nativeOrder(_res);
+        return _res;
+    }
+    private native java.nio.ByteBuffer dispatch_alcGetStringImpl1(ByteBuffer deviceBuffer, int param, long addr);
+
+    /**
+     * Fetches the names of the available ALC device specifiers.
+     * Equivalent to the C call alcGetString(NULL, ALC_DEVICE_SPECIFIER).
+     */
+    public String[] alcGetDeviceSpecifiers() {
+        return getDoubleNullTerminatedString(ALC_DEVICE_SPECIFIER);
+    }
+
+    /**
+     * Fetches the names of the available ALC capture device specifiers.
+     * Equivalent to the C call alcGetString(NULL, ALC_CAPTURE_DEVICE_SPECIFIER).
+     */
+    public String[] alcGetCaptureDeviceSpecifiers() {
+        return getDoubleNullTerminatedString(ALC_CAPTURE_DEVICE_SPECIFIER);
+    }
+
+    private String[] getDoubleNullTerminatedString(int which) {
+        ByteBuffer buf = alcGetStringImpl(null, which);
+        if (buf == null) {
+            return null;
+        }
+        byte[] bytes = new byte[buf.capacity()];
+        buf.get(bytes);
+        try {
+            ArrayList/*<String>*/ res = new ArrayList/*<String>*/();
+            int i = 0;
+            while (i < bytes.length) {
+                int startIndex = i;
+                while ((i < bytes.length) && (bytes[i] != 0)) {
+                    i++;
+                }
+                res.add(new String(bytes, startIndex, i - startIndex, "US-ASCII"));
+                i++;
+            }
+            return (String[]) res.toArray(new String[res.size()]);
+        } catch (UnsupportedEncodingException e) {
+            throw new ALException(e);
+        }
+    }
+}