Add which pathfinding for executables

1 files changed, 4 insertions, 5 deletions

diff --git a/libmat2/video.py b/libmat2/video.py
index 2b33bc0..b4a3232 100644
--- a/libmat2/video.py
+++ b/libmat2/video.py
@@ -1,6 +1,6 @@
 import subprocess
 import functools
-import os
+import shutil
 import logging
 
 from typing import Dict, Union
@@ -137,9 +137,8 @@ class MP4Parser(AbstractFFmpegParser):
 
 @functools.lru_cache()
 def _get_ffmpeg_path() -> str:  # pragma: no cover
-    ffmpeg_path = '/usr/bin/ffmpeg'
-    if os.path.isfile(ffmpeg_path):
-        if os.access(ffmpeg_path, os.X_OK):
-            return ffmpeg_path
+    which_path = shutil.which('ffmpeg')
+    if which_path:
+        return which_path
 
     raise RuntimeError("Unable to find ffmpeg")