From 8e7dbef340a69ff59c458d6ab429f5dc25b3ab12 Mon Sep 17 00:00:00 2001
From: Idan Sheinberg <ishinberg0@gmail.com>
Date: Thu, 23 Nov 2023 23:33:43 +0200
Subject: [PATCH] DLL renaming

---
 .../org/sheinbergon/aac/jna/FdkAACLib.java    |  3 ++
 .../sheinbergon/aac/jna/FdkAACLibFacade.java  | 10 +++++
 .../aac/jna/structure/LibInfo.java            | 40 +++++++++++++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 src/main/java/org/sheinbergon/aac/jna/structure/LibInfo.java

diff --git a/src/main/java/org/sheinbergon/aac/jna/FdkAACLib.java b/src/main/java/org/sheinbergon/aac/jna/FdkAACLib.java
index c8055df..24359eb 100644
--- a/src/main/java/org/sheinbergon/aac/jna/FdkAACLib.java
+++ b/src/main/java/org/sheinbergon/aac/jna/FdkAACLib.java
@@ -10,6 +10,7 @@
 import org.sheinbergon.aac.jna.structure.AACEncInfo;
 import org.sheinbergon.aac.jna.structure.AACEncOutArgs;
 import org.sheinbergon.aac.jna.structure.AACEncoder;
+import org.sheinbergon.aac.jna.structure.LibInfo;
 
 @SuppressWarnings("MethodName")
 public final class FdkAACLib {
@@ -46,6 +47,8 @@ static native int aacEncEncode(
 
   static native int aacEncInfo(AACEncoder hAacEncoder, AACEncInfo pInfo);
 
+  static native int aacEncGetLibInfo(LibInfo info);
+
   static native int aacEncoder_SetParam(AACEncoder encoder, int param, int value);
 
   private FdkAACLib() {
diff --git a/src/main/java/org/sheinbergon/aac/jna/FdkAACLibFacade.java b/src/main/java/org/sheinbergon/aac/jna/FdkAACLibFacade.java
index c40cec9..48403eb 100644
--- a/src/main/java/org/sheinbergon/aac/jna/FdkAACLibFacade.java
+++ b/src/main/java/org/sheinbergon/aac/jna/FdkAACLibFacade.java
@@ -3,12 +3,14 @@
 import com.sun.jna.Memory;
 import com.sun.jna.ptr.IntByReference;
 import com.sun.jna.ptr.PointerByReference;
+import lombok.extern.java.Log;
 import org.sheinbergon.aac.encoder.util.WAVAudioSupport;
 import org.sheinbergon.aac.jna.structure.AACEncBufDesc;
 import org.sheinbergon.aac.jna.structure.AACEncInArgs;
 import org.sheinbergon.aac.jna.structure.AACEncInfo;
 import org.sheinbergon.aac.jna.structure.AACEncOutArgs;
 import org.sheinbergon.aac.jna.structure.AACEncoder;
+import org.sheinbergon.aac.jna.structure.LibInfo;
 import org.sheinbergon.aac.jna.util.AACEncError;
 import org.sheinbergon.aac.jna.util.AACEncParam;
 import org.sheinbergon.aac.jna.util.FdkAACLibException;
@@ -17,8 +19,16 @@
 import javax.annotation.Nonnull;
 import java.util.Optional;
 
+@Log
 public final class FdkAACLibFacade {
 
+  static {
+    LibInfo info = new LibInfo();
+    FdkAACLib.aacEncGetLibInfo(info);
+    info.read();
+    log.info(String.format("=== FDK-AAC Library reported version - %s ===", new String(info.versionStr)));
+  }
+
   private static final int IN_BUFFER_COUNT = 1;
   private static final int IN_BUFFER_IDENTIFIER = 0;
   private static final int IN_BUFFER_ELEMENT_SIZE = 2;
diff --git a/src/main/java/org/sheinbergon/aac/jna/structure/LibInfo.java b/src/main/java/org/sheinbergon/aac/jna/structure/LibInfo.java
new file mode 100644
index 0000000..270d4be
--- /dev/null
+++ b/src/main/java/org/sheinbergon/aac/jna/structure/LibInfo.java
@@ -0,0 +1,40 @@
+package org.sheinbergon.aac.jna.structure;
+
+import com.sun.jna.Structure;
+import org.sheinbergon.aac.jna.util.JNASupport;
+
+import java.util.List;
+
+/**
+ * Maps to LIB_INFO struct.
+ *
+ * @see <a href="https://github.com/mstorsjo/fdk-aac/blob/v2.0.2/libSYS/include/FDK_audio.h">fdk-aac/libSYS/include/FDK_audio.h</a>
+ */
+@SuppressWarnings({"JavadocVariable", "VisibilityModifier", "MemberName"})
+public final class LibInfo extends Structure {
+
+  private static final int VERSION_STRING_SIZE = 32;
+
+  private static final List<String> FIELD_ORDER = JNASupport.structureFieldOrder(LibInfo.class);
+
+  /**
+   * Library Info mapping.
+   */
+  public LibInfo() {
+    setAlignType(Structure.ALIGN_NONE); // Make sure field size alignments are as expected
+    read(); // Read once after initialize from provided pointer
+  }
+
+  public String title;
+  public String build_date;
+  public String build_time;
+  public int module_id;
+  public int version;
+  public int flags;
+  public byte[] versionStr = new byte[VERSION_STRING_SIZE];
+
+  @Override
+  protected List<String> getFieldOrder() {
+    return FIELD_ORDER;
+  }
+}