[ffmpeg] fix adding metadata when using m3u8_native(fixes #8350)

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index daca5d81480337fb50a1fcb85fd69cd249475cf8..48f86e21c6fbb46eb202f6fff8192607f306ec03 100644 (file)
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -391,6 +391,10 @@ class FFmpegMetadataPP(FFmpegPostProcessor):
         for (name, value) in metadata.items():
             options.extend(['-metadata', '%s=%s' % (name, value)])
 
+        # https://github.com/rg3/youtube-dl/issues/8350
+        if info['protocol'] == 'm3u8_native':
+            options.extend(['-bsf:a', 'aac_adtstoasc'])
+
         self._downloader.to_screen('[ffmpeg] Adding metadata to \'%s\'' % filename)
         self.run_ffmpeg(filename, temp_filename, options)
         os.remove(encodeFilename(filename))