FFmpeg PR fixes.

tidal_dl_ng/download.py

@@ -75,14 +75,13 @@ class Download:
         if not self.settings.data.path_binary_ffmpeg and (
             self.settings.data.video_convert_mp4 or self.settings.data.extract_flac
         ):
-            self.settings.data.path_binary_ffmpeg = shutil.which("ffmpeg")
-            if not self.settings.data.path_binary_ffmpeg:
             self.settings.data.video_convert_mp4 = False
             self.settings.data.extract_flac = False
 
             self.fn_logger.error(
-                    "FFmpeg is not set. Videos can be downloaded but will not be processed. FLAC cannot be extracted from MP4 containers. "
-                    "Make sure FFmpeg is installed. The path to the binary can be specified (`path_binary_ffmpeg`)."
+                "FFmpeg path is not set. Videos can be downloaded but will not be processed. FLAC cannot be "
+                "extracted from MP4 containers. Make sure FFmpeg is installed. The path to the FFmpeg binary must "
+                "be set in (`path_binary_ffmpeg`)."
             )
 
     def _download(

tidal_dl_ng/model/cfg.py

@@ -72,7 +72,10 @@ class HelpSettings:
         "Videos are downloaded as MPEG Transport Stream (TS) files. With this option each video "
         "will be converted to MP4. FFmpeg must be installed."
     )
-    path_binary_ffmpeg: str = "Path to FFmpeg binary. Only necesarry if FFmpeg not present in path."
+    path_binary_ffmpeg: str = (
+        "Path to FFmpeg binary file (executable). Only necessary if FFmpeg not set in $PATH. Mandatory for Windows: "
+        "The directory of `ffmpeg.exe`must be set in %PATH%."
+    )
     metadata_cover_dimension: str = (
         "The dimensions of the cover image embedded into the track. Possible values: 320x320, 640x640x 1280x1280."
     )