Related issue: https://trac.ffmpeg.org/ticket/6016
@ -407,6 +407,9 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
# Don't copy the existing subtitles, we may be running the
# postprocessor a second time
'-map', '-0:s',
# Don't copy Apple TV chapters track, bin_data (see #19042, #19024,
# https://trac.ffmpeg.org/ticket/6016)
'-map', '-0:d',
]
if information['ext'] == 'mp4':
opts += ['-c:s', 'mov_text']