* work around Mac accent encoding issues

source/net/filebot/mediainfo/MediaInfo.java

@@ -3,6 +3,7 @@ package net.filebot.mediainfo;
 import java.io.Closeable;
 import java.io.File;
 import java.io.IOException;
+import java.io.RandomAccessFile;
 import java.text.Normalizer;
 import java.text.Normalizer.Form;
 import java.util.ArrayList;
@@ -10,6 +11,7 @@ import java.util.EnumMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.logging.Logger;
 
 import com.sun.jna.NativeLibrary;
 import com.sun.jna.Platform;
@@ -42,17 +44,50 @@ public class MediaInfo implements Closeable {
 	}
 
 	public synchronized boolean open(File file) {
-		if (!file.isFile())
+		if (!file.isFile()) {
 			return false;
-
-		// MacOS filesystem may require NFD unicode decomposition (forcing NFD seems to work for System.out() but passing to libmediainfo is still not working)
-		String path = file.getAbsolutePath();
-		if (Platform.isMac()) {
-			path = Normalizer.normalize(path, Form.NFD);
 		}
+
+		String path = file.getAbsolutePath();
+
+		// on Mac files that contain accents cannot be opened via JNA WString file paths due to encoding differences so we use the buffer interface instead for these files
+		if (Platform.isMac() && path.length() != Normalizer.normalize(path, Form.NFD).length()) {
+			try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
+				return openViaBuffer(raf);
+			} catch (IOException e) {
+				return false;
+			}
+		}
+
 		return MediaInfoLibrary.INSTANCE.Open(handle, new WString(path)) > 0;
 	}
 
+	private boolean openViaBuffer(RandomAccessFile f) throws IOException {
+		byte[] buffer = new byte[64 * 1024];
+		int read = -1;
+
+		if (MediaInfoLibrary.INSTANCE.Open_Buffer_Init(handle, f.length(), 0) <= 0) {
+			return false;
+		}
+
+		do {
+			read = f.read(buffer);
+			int result = MediaInfoLibrary.INSTANCE.Open_Buffer_Continue(handle, buffer, read);
+			if ((result & 8) == 8) {
+				break;
+			}
+
+			if (MediaInfoLibrary.INSTANCE.Open_Buffer_Continue_GoTo_Get(handle) != -1) {
+				long gotoPos = MediaInfoLibrary.INSTANCE.Open_Buffer_Continue_GoTo_Get(handle);
+				f.seek(gotoPos);
+				MediaInfoLibrary.INSTANCE.Open_Buffer_Init(handle, f.length(), gotoPos);
+			}
+		} while (read > 0);
+
+		MediaInfoLibrary.INSTANCE.Open_Buffer_Finalize(handle);
+		return true;
+	}
+
 	public synchronized String inform() {
 		return MediaInfoLibrary.INSTANCE.Inform(handle).toString();
 	}

source/net/filebot/mediainfo/MediaInfoLibrary.java

@@ -1,7 +1,5 @@
-
 package net.filebot.mediainfo;
 
-
 import static java.util.Collections.*;
 
 import java.lang.reflect.Method;
@@ -13,7 +11,6 @@ import com.sun.jna.NativeLibrary;
 import com.sun.jna.Pointer;
 import com.sun.jna.WString;
 
-
 interface MediaInfoLibrary extends Library {
 
 	MediaInfoLibrary INSTANCE = (MediaInfoLibrary) Native.loadLibrary("mediainfo", MediaInfoLibrary.class, singletonMap(OPTION_FUNCTION_MAPPER, new FunctionMapper() {
@@ -25,7 +22,6 @@ interface MediaInfoLibrary extends Library {
 		}
 	}));
 
-	
 	/**
 	 * Create a new handle.
 	 * 
@@ -33,28 +29,28 @@ interface MediaInfoLibrary extends Library {
 	 */
 	Pointer New();
 
-
 	/**
 	 * Open a file and collect information about it (technical information and tags).
 	 * 
 	 * @param handle
-	 * @param file full name of the file to open
+	 * @param file
+	 *            full name of the file to open
 	 * @return 1 if file was opened, 0 if file was not not opened
 	 */
 	int Open(Pointer handle, WString file);
 
-
 	/**
 	 * Configure or get information about MediaInfo.
 	 * 
 	 * @param handle
-	 * @param option The name of option
+	 * @param option
-	 * @param value The value of option
+	 *            The name of option
+	 * @param value
+	 *            The value of option
 	 * @return Depends on the option: by default "" (nothing) means No, other means Yes
 	 */
 	WString Option(Pointer handle, WString option, WString value);
 
-
 	/**
 	 * Get all details about a file.
 	 * 
@@ -63,50 +59,52 @@ interface MediaInfoLibrary extends Library {
 	 */
 	WString Inform(Pointer handle);
 
-
 	/**
 	 * Get a piece of information about a file (parameter is a string).
 	 * 
 	 * @param handle
-	 * @param streamKind Kind of stream (general, video, audio...)
+	 * @param streamKind
-	 * @param streamNumber Stream number in Kind of stream (first, second...)
+	 *            Kind of stream (general, video, audio...)
-	 * @param parameter Parameter you are looking for in the stream (Codec, width, bitrate...),
+	 * @param streamNumber
-	 *            in string format ("Codec", "Width"...)
+	 *            Stream number in Kind of stream (first, second...)
-	 * @param infoKind Kind of information you want about the parameter (the text, the measure,
+	 * @param parameter
-	 *            the help...)
+	 *            Parameter you are looking for in the stream (Codec, width, bitrate...), in string format ("Codec", "Width"...)
-	 * @param searchKind Where to look for the parameter
+	 * @param infoKind
+	 *            Kind of information you want about the parameter (the text, the measure, the help...)
+	 * @param searchKind
+	 *            Where to look for the parameter
 	 * @return a string about information you search, an empty string if there is a problem
 	 */
 	WString Get(Pointer handle, int streamKind, int streamNumber, WString parameter, int infoKind, int searchKind);
 
-
 	/**
 	 * Get a piece of information about a file (parameter is an integer).
 	 * 
 	 * @param handle
-	 * @param streamKind Kind of stream (general, video, audio...)
+	 * @param streamKind
-	 * @param streamNumber Stream number in Kind of stream (first, second...)
+	 *            Kind of stream (general, video, audio...)
-	 * @param parameter Parameter you are looking for in the stream (Codec, width, bitrate...),
+	 * @param streamNumber
-	 *            in integer format (first parameter, second parameter...)
+	 *            Stream number in Kind of stream (first, second...)
-	 * @param infoKind Kind of information you want about the parameter (the text, the measure,
+	 * @param parameter
-	 *            the help...)
+	 *            Parameter you are looking for in the stream (Codec, width, bitrate...), in integer format (first parameter, second parameter...)
+	 * @param infoKind
+	 *            Kind of information you want about the parameter (the text, the measure, the help...)
 	 * @return a string about information you search, an empty string if there is a problem
 	 */
 	WString GetI(Pointer handle, int streamKind, int streamNumber, int parameterIndex, int infoKind);
 
-
 	/**
-	 * Count of streams of a stream kind (StreamNumber not filled), or count of piece of
+	 * Count of streams of a stream kind (StreamNumber not filled), or count of piece of information in this stream.
-	 * information in this stream.
 	 * 
 	 * @param handle
-	 * @param streamKind Kind of stream (general, video, audio...)
+	 * @param streamKind
-	 * @param streamNumber Stream number in this kind of stream (first, second...)
+	 *            Kind of stream (general, video, audio...)
+	 * @param streamNumber
+	 *            Stream number in this kind of stream (first, second...)
 	 * @return number of streams of the given stream kind
 	 */
 	int Count_Get(Pointer handle, int streamKind, int streamNumber);
 
-
 	/**
 	 * Close a file opened before with Open().
 	 * 
@@ -114,7 +112,6 @@ interface MediaInfoLibrary extends Library {
 	 */
 	void Close(Pointer handle);
 
-
 	/**
 	 * Dispose of a handle created with New().
 	 * 
@@ -122,4 +119,24 @@ interface MediaInfoLibrary extends Library {
 	 */
 	void Delete(Pointer handle);
 
+	/**
+	 * Open_Buffer_Init
+	 */
+	int Open_Buffer_Init(Pointer handle, long length, long offset);
+
+	/**
+	 * Open_Buffer_Continue
+	 */
+	int Open_Buffer_Continue(Pointer handle, byte[] buffer, int size);
+
+	/**
+	 * Open_Buffer_Continue_GoTo_Get
+	 */
+	long Open_Buffer_Continue_GoTo_Get(Pointer handle);
+
+	/**
+	 * Open_Buffer_Finalize
+	 */
+	int Open_Buffer_Finalize(Pointer handle);
+
 }