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ffmpeg "Correcting container" called on already downloaded m4a files #18505
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ffmpeg container called on already downloaded m4a files
I sometimes have playlists that are processed a second time (by youtube-dl). The great thing is youtube-dl detects that the file is already present and reports in the verbose output("has already been downloaded"). This works great for video files. For audio files, unfortunately, youtube-dl invokes ffmpeg which processes the existing m4a files again (as seen in the log). This causes unnecessary use of network and disk time and is highly inefficient. Also this causes the creation time of these files, making it look like the files were created just now. This problem is only when the format is m4a (does not happen for webm files).
These are my arguments:
ydl_opts = {
'forcetitle':True,
'outtmpl':"M:\yt2018%(id)s_%(title)s_%(playlist_id)s_%(playlist_title)s_%(upload_date)s_%(height)s_%(abr)s_%(format_id)s.%(ext)s",
'format': "bestaudio[abr<160]",
'ignoreerrors':True,
'nooverwrites':True,
'verbose':True,
'proxy':"",
'sleep_interval':10,
}
How to avoid this?
Thanks.