--- __init__-0.4.0.py	2019-02-09 21:21:16.335586891 +0700
+++ __init__.py	2019-02-10 21:25:41.864964164 +0700
@@ -8,16 +8,22 @@
 
 import argparse
 import audioop
-import json
 import math
 import multiprocessing
 import os
+from json import JSONDecodeError
 import subprocess
 import sys
 import tempfile
 import wave
 
+import json
 import requests
+try:
+    from json.decoder import JSONDecodeError
+except ImportError:
+    JSONDecodeError = ValueError
+
 from googleapiclient.discovery import build
 from progressbar import ProgressBar, Percentage, Bar, ETA
 
@@ -61,8 +67,10 @@
             start, end = region
             start = max(0, start - self.include_before)
             end += self.include_after
-            temp = tempfile.NamedTemporaryFile(suffix='.flac')
-            command = ["ffmpeg", "-ss", str(start), "-t", str(end - start),
+            #delete=False necessary for running on Windows
+            temp = tempfile.NamedTemporaryFile(suffix='.flac', delete=False)
+            program_ffmpeg = which("ffmpeg")
+            command = [str(program_ffmpeg), "-ss", str(start), "-t", str(end - start),
                        "-y", "-i", self.source_path,
                        "-loglevel", "error", temp.name]
             use_shell = True if os.name == "nt" else False
@@ -102,6 +110,8 @@
                     except IndexError:
                         # no result
                         continue
+                    except JSONDecodeError:
+                        continue
 
         except KeyboardInterrupt:
             return None
@@ -149,17 +159,25 @@
         Checks whether a file is executable.
         """
         return os.path.isfile(file_path) and os.access(file_path, os.X_OK)
-
+    #necessary to run on Windows
+    if os.name == "nt":
+        program += ".exe"
     fpath, _ = os.path.split(program)
     if fpath:
         if is_exe(program):
             return program
     else:
-        for path in os.environ["PATH"].split(os.pathsep):
-            path = path.strip('"')
-            exe_file = os.path.join(path, program)
-            if is_exe(exe_file):
-                return exe_file
+        #looks for file in the script execution folder before checking on system path
+        current_dir = os.getcwd()
+        local_program = os.path.join(current_dir, program)
+        if is_exe(local_program):
+            return local_program
+        else:
+            for path in os.environ["PATH"].split(os.pathsep):
+                path = path.strip('"')
+                exe_file = os.path.join(path, program)
+                if is_exe(exe_file):
+                    return exe_file
     return None
 
 
@@ -171,10 +189,11 @@
     if not os.path.isfile(filename):
         print("The given file does not exist: {}".format(filename))
         raise Exception("Invalid filepath: {}".format(filename))
-    if not which("ffmpeg"):
+    program_ffmpeg = which("ffmpeg")
+    if not program_ffmpeg:
         print("ffmpeg: Executable not found on machine.")
         raise Exception("Dependency not found: ffmpeg")
-    command = ["ffmpeg", "-y", "-i", filename,
+    command = [str(program_ffmpeg), "-y", "-i", filename,
                "-ac", str(channels), "-ar", str(rate),
                "-loglevel", "error", temp.name]
     use_shell = True if os.name == "nt" else False
@@ -233,6 +252,12 @@
     """
     Given an input audio/video file, generate subtitles in the specified language and format.
     """
+
+    if "Darwin" in os.uname():
+        #the default unix fork method does not work on Mac OS
+        #need to use forkserver
+        multiprocessing.set_start_method('forkserver')
+
     audio_filename, audio_rate = extract_audio(source_path)
 
     regions = find_speech_regions(audio_filename)