Fix loading native libraries on OS X

src/com/limelight/binding/LibraryHelper.java

@@ -15,26 +15,23 @@ public class LibraryHelper {
 	private static boolean librariesExtracted = false;
 	
 	static {
-		// Windows and OS X need this, but we might as well do it for everybody
-		needsDependencyExtraction = true;
+		needsDependencyExtraction = System.getProperty("os.name").contains("Windows");
 		libraryExtractionFolder = System.getProperty("java.io.tmpdir", ".");
 		
-		// FFMPEG libraries
-		avcDependencies.add("avutil-52");
-		avcDependencies.add("swresample-0");
-		avcDependencies.add("swscale-2");
-		avcDependencies.add("avcodec-55");
-		avcDependencies.add("avformat-55");
-		avcDependencies.add("avfilter-3");
-		
-		// The AVC JNI library itself
-		avcDependencies.add("nv_avc_dec");
-		
-		// Additional Windows dependencies
+		// AVC dependencies
 		if (System.getProperty("os.name").contains("Windows")) {
+			avcDependencies.add("avutil-52");
+			avcDependencies.add("swresample-0");
+			avcDependencies.add("swscale-2");
+			avcDependencies.add("avcodec-55");
+			avcDependencies.add("avformat-55");
+			avcDependencies.add("avfilter-3");
 			avcDependencies.add("postproc-52");
 			avcDependencies.add("pthreadVC2");
 		}
+		
+		// The AVC JNI library itself
+		avcDependencies.add("nv_avc_dec");
 	}
 	
 	public static void loadNativeLibrary(String libraryName) {

src/com/limelight/nvstream/av/video/cpu/AvcDecoder.java

@@ -4,16 +4,17 @@ import com.limelight.binding.LibraryHelper;
 
 public class AvcDecoder {
 	static {
-		LibraryHelper.loadNativeLibrary("avutil-52");
+		// Windows uses runtime linking for ffmpeg libraries
 		if (System.getProperty("os.name").contains("Windows")) {
+			LibraryHelper.loadNativeLibrary("avutil-52");
 			LibraryHelper.loadNativeLibrary("postproc-52");
 			LibraryHelper.loadNativeLibrary("pthreadVC2");
+			LibraryHelper.loadNativeLibrary("swresample-0");
+			LibraryHelper.loadNativeLibrary("swscale-2");
+			LibraryHelper.loadNativeLibrary("avcodec-55");
+			LibraryHelper.loadNativeLibrary("avformat-55");
+			LibraryHelper.loadNativeLibrary("avfilter-3");
 		}
-		LibraryHelper.loadNativeLibrary("swresample-0");
-		LibraryHelper.loadNativeLibrary("swscale-2");
-		LibraryHelper.loadNativeLibrary("avcodec-55");
-		LibraryHelper.loadNativeLibrary("avformat-55");
-		LibraryHelper.loadNativeLibrary("avfilter-3");
 		
 		LibraryHelper.loadNativeLibrary("nv_avc_dec");
 	}