[utils] Use bytes-like objects in dfxp2srt

[youtube-dl] / youtube_dl / postprocessor / ffmpeg.py

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 51256a3fb52c0f51547c335eecf6774af07307c8..f71d413b5285005cbc98c75f0092053631e7c3f5 100644 (file)
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -585,7 +585,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
                 dfxp_file = old_file
                 srt_file = subtitles_filename(filename, lang, 'srt')
 
-                with io.open(dfxp_file, 'rt', encoding='utf-8') as f:
+                with open(dfxp_file, 'rb') as f:
                     srt_data = dfxp2srt(f.read())
 
                 with io.open(srt_file, 'wt', encoding='utf-8') as f: