Changed utf8 decoding to avoid crashes with invalid characters.

Author: emilianavt

dshowcapture.py

@@ -104,7 +104,7 @@ def get_devices(self):
 
     def get_device(self, device_number):
         self.lib.get_device(self.cap, device_number, self.name_buffer, 255)
-        name_str = str(self.name_buffer.value.decode('utf8'))
+        name_str = str(self.name_buffer.value.decode('utf8', 'surrogateescape'))
         return name_str
 
     def get_info(self):
@@ -113,7 +113,7 @@ def get_info(self):
         json_length = self.lib.get_json_length(self.cap);
         json_buffer = create_string_buffer(json_length)
         self.lib.get_json(self.cap, json_buffer, json_length);
-        json_text = str(json_buffer.value.decode('utf8'))
+        json_text = str(json_buffer.value.decode('utf8', 'surrogateescape'))
         self.info = json.loads(json_text)
         for cam in self.info:
             cam["type"] = "DirectShow"
@@ -124,7 +124,7 @@ def get_info(self):
             json_length = self.bm_lib.get_json_length();
             json_buffer = create_string_buffer(json_length)
             self.bm_lib.get_json(json_buffer, json_length);
-            json_text = str(json_buffer.value.decode('utf8'))
+            json_text = str(json_buffer.value.decode('utf8', 'surrogateescape'))
             bm_info = json.loads(json_text)
             dshow_len = len(self.info)
             for cam in bm_info:

input_reader.py

@@ -36,7 +36,7 @@ def __init__(self, capture, width, height, fps):
         self.fps = fps
         self.device = capture
         escapi.count_capture_devices()
-        self.name = str(escapi.device_name(self.device).decode('utf8'))
+        self.name = str(escapi.device_name(self.device).decode('utf8', 'surrogateescape'))
         self.buffer = escapi.init_camera(self.device, self.width, self.height, self.fps)
         escapi.do_capture(self.device)
     def is_open(self):
@@ -212,7 +212,7 @@ def __init__(self, capture, raw_rgb, width, height, fps, use_dshowcapture=False,
                         devices = escapi.count_capture_devices()
                         found = None
                         for i in range(devices):
-                            escapi_name = str(escapi.device_name(i).decode('utf8'))
+                            escapi_name = str(escapi.device_name(i).decode('utf8', 'surrogateescape'))
                             if name == escapi_name:
                                 found = i
                         if found is None: