From e13945a2fe34bbec5581b02a7f1dc308bad6f3e7 Mon Sep 17 00:00:00 2001
From: pukkandan <pukkandan.ytdlp@gmail.com>
Date: Wed, 27 Apr 2022 05:36:06 +0530
Subject: [PATCH] [ffmpeg] Fix features detection

---
 yt_dlp/postprocessor/ffmpeg.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/yt_dlp/postprocessor/ffmpeg.py b/yt_dlp/postprocessor/ffmpeg.py
index 500fc1950..bb7a630c6 100644
--- a/yt_dlp/postprocessor/ffmpeg.py
+++ b/yt_dlp/postprocessor/ffmpeg.py
@@ -146,7 +146,8 @@ class FFmpegPostProcessor(PostProcessor):
                 self._paths[basename] = location
 
         self._versions = {}
-        executables = {'basename': ('ffmpeg', 'avconv'), 'probe_basename': ('ffprobe', 'avprobe')}
+        # NB: probe must be first for _features to be poulated correctly
+        executables = {'probe_basename': ('ffprobe', 'avprobe'), 'basename': ('ffmpeg', 'avconv')}
         if prefer_ffmpeg is False:
             executables = {k: v[::-1] for k, v in executables.items()}
         for var, prefs in executables.items():