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Don't embed subtitles if the list is empty or the field is not set (fixes #1510)
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@ -444,8 +444,11 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
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if information['ext'] != u'mp4':
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self._downloader.to_screen(u'[ffmpeg] Subtitles can only be embedded in mp4 files')
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return True, information
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sub_langs = [key for key in information['subtitles']]
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if not information.get('subtitles'):
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self._downloader.to_screen(u'[ffmpeg] There aren\'t any subtitles to embed')
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return True, information
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sub_langs = [key for key in information['subtitles']]
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filename = information['filepath']
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input_files = [filename] + [subtitles_filename(filename, lang, self._subformat) for lang in sub_langs]
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