fix lzma decompression

2021-05-27 03:46:15 +08:00
parent 251854cc41
commit 44b02b92d8
2 changed files with 8 additions and 5 deletions
@@ -34,15 +34,16 @@ namespace AssetStudio
            return newOutStream;
        }

-        public static void StreamDecompress(Stream inStream, Stream outStream, long inSize, long outSize)
+        public static void StreamDecompress(Stream compressedStream, Stream decompressedStream, long compressedSize, long decompressedSize)
        {
+            var basePosition = compressedStream.Position;
            var decoder = new Decoder();
            var properties = new byte[5];
-            if (inStream.Read(properties, 0, 5) != 5)
+            if (compressedStream.Read(properties, 0, 5) != 5)
                throw new Exception("input .lzma is too short");
            decoder.SetDecoderProperties(properties);
-            inSize -= 5L;
-            decoder.Code(inStream, outStream, inSize, outSize, null);
+            decoder.Code(compressedStream, decompressedStream, compressedSize - 5, decompressedSize, null);
+            compressedStream.Position = basePosition + compressedSize;
        }
    }
 }