UnicodeDecodeError: 'ascii' codec can't decode byte xxxx

[sdsucks]

passing command lines including double-byte characters to ffmpeg doesn't seem to work

E:>youtube-dll -v -w -c -i -f 266+141 -o "%(title)s by %(uploader)s.%(ext)s" https://www.youtube.co
m/watch?v=MBxC3smM6Wg
[debug] System config: []
[debug] User config: []
[debug] Command-line args: ['-v', '-w', '-c', '-i', '-f', '266+141', '-o', '%(title)s by %(uploader)
s.%(ext)s', 'https://www.youtube.com/watch?v=MBxC3smM6Wg']
[debug] Encodings: locale cp949, fs mbcs, out cp949, pref cp949
[debug] youtube-dl version 2014.12.04
[debug] Python version 2.7.8 - Windows-7-6.1.7601-SP1
[debug] exe versions: ffmpeg N-68199-
[debug] Proxy map: {}
[youtube] MBxC3smM6Wg: Downloading webpage
[youtube] MBxC3smM6Wg: Extracting video information
[youtube] MBxC3smM6Wg: Downloading DASH manifest
[debug] Invoking downloader on 'https://r6---sn-3u-bh2r.googlevideo.com/videoplayback?id=301c42dec98
ce968&itag=266&source=youtube&requiressl=yes&mv=m&ms=au&mm=31&ratebypass=yes&mime=video/mp4&gir=yes&
clen=261736964&lmt=1417662699957285&dur=205.271&key=dg_yt0&upn=up0HnpdMs1k&signature=5313AA97B7C318F
7BEF6ED053385536341126ECD.40A2823A4919329A204F7C2CE17C49EAD6FF50BC&fexp=907259,927622,932404,943917,
947209,948124,948703,952302,952605,952901,953912,957103,957105,957201&sver=3&mt=1417685149&ip=118.41
.56.241&ipbits=0&expire=1417706796&sparams=ip,ipbits,expire,id,itag,source,requiressl,mv,ms,mm,rateb
ypass,mime,gir,clen,lmt,dur'
[download] 141123 헬로비너스 팬사인회 '나라' 직캠 By.nomfan앙칼 #제2롯데월드 잠실 by Pinknomfan(앙칼
).f266.mp4 has already been downloaded
[debug] Invoking downloader on 'https://r6---sn-3u-bh2r.googlevideo.com/videoplayback?id=301c42dec98
ce968&itag=141&source=youtube&requiressl=yes&mv=m&ms=au&mm=31&ratebypass=yes&mime=audio/mp4&gir=yes&
clen=6547136&lmt=1417662503737718&dur=205.334&key=dg_yt0&upn=up0HnpdMs1k&signature=85ED9564E92161EEF
72DD6871E9607FF61FF1553.06AE1E051EA76423FC95E39163A940AEEB96F099&fexp=907259,927622,932404,943917,94
7209,948124,948703,952302,952605,952901,953912,957103,957105,957201&sver=3&mt=1417685149&ip=118.41.5
6.241&ipbits=0&expire=1417706796&sparams=ip,ipbits,expire,id,itag,source,requiressl,mv,ms,mm,ratebyp
ass,mime,gir,clen,lmt,dur'
[download] 141123 헬로비너스 팬사인회 '나라' 직캠 By.nomfan앙칼 #제2롯데월드 잠실 by Pinknomfan(앙칼
).f141.m4a has already been downloaded
[ffmpeg] Merging formats into "141123 헬로비너스 팬사인회 '나라' 직캠 By.nomfan앙칼 #제2롯데월드 잠
실 by Pinknomfan(앙칼).mp4"
[debug] ffmpeg command line: ffmpeg -y -i '141123 헬로비너스 팬사인회 '"'"'나라'"'"' 직캠 By.nomfan
앙칼 #제2롯데월드 잠실 by Pinknomfan(앙칼).f266.mp4' -i '141123 헬로비너스 팬사인회 '"'"'나라'"'"'
직캠 By.nomfan앙칼 #제2롯데월드 잠실 by Pinknomfan(앙칼).f141.m4a' -c copy -map 0✌️0 -map 1🅰️0 -sh
ortest '141123 헬로비너스 팬사인회 '"'"'나라'"'"' 직캠 By.nomfan앙칼 #제2롯데월드 잠실 by Pinknomfan
(앙칼).mp4'
ERROR: 'ascii' codec can't decode byte 0xc7 in position 0: ordinal not in range(128)
Traceback (most recent call last):
File "youtube_dl\YoutubeDL.pyo", line 564, in extract_info
File "youtube_dl\YoutubeDL.pyo", line 610, in process_ie_result
File "youtube_dl\YoutubeDL.pyo", line 897, in process_video_result
File "youtube_dl\YoutubeDL.pyo", line 1103, in process_info
File "youtube_dl\YoutubeDL.pyo", line 1158, in post_process
File "youtube_dl\postprocessor\ffmpeg.pyo", line 525, in run
File "youtube_dl\postprocessor\ffmpeg.pyo", line 90, in run_ffmpeg_multiple_files
File "subprocess.pyo", line 710, in init
File "subprocess.pyo", line 913, in _execute_child
File "subprocess.pyo", line 644, in list2cmdline
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc7 in position 0: ordinal not in range(128)

[jaimeMF]

Duplicate of #4337