From c3842165048813f5425ad44e35360374a54bd208 Mon Sep 17 00:00:00 2001
From: phantom1003 <phantom@zju.edu.cn>
Date: Fri, 14 Oct 2022 01:22:49 +0800
Subject: [PATCH] v0.1

---
 README.md  |  1 +
 ev1-dec.py | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 README.md
 create mode 100644 ev1-dec.py

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..50b13ab
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# ev1 Format decoder
diff --git a/ev1-dec.py b/ev1-dec.py
new file mode 100644
index 0000000..c7d41aa
--- /dev/null
+++ b/ev1-dec.py
@@ -0,0 +1,38 @@
+import os, sys
+import tkinter
+from tkinter.messagebox import showinfo
+import windnd
+
+def dnd_file(files):
+    for file in files:
+        file = file.decode()
+        print("Convert " + file)
+        with open(file, 'rb+') as f:
+            raw = f.read(100)
+            data = bytearray(raw)
+
+            for idx, b in enumerate(data):
+                data[idx] = b ^ 0xff
+            
+            raw = bytes(data)
+            f.seek(0)
+            f.write(raw)
+            f.close()
+
+            os.rename(file, file + '.flv')
+
+
+root = tkinter.Tk()
+root.geometry('400x300')
+root.title('EV1 decode')
+windnd.hook_dropfiles(root, func=dnd_file)
+label = tkinter.Label(root, text ='Drop *.ev1 on me :)')
+label.place(relx = 0.5, rely = 0.5, anchor = 'center')
+root.mainloop()
+
+
+# if (len(sys.argv) != 2):
+#     print("ev1 format decoder: missing input file!")
+#     print("Usage: python3 dec.py [enc file]")
+#     exit(1)
+