youtube-dl [u'--recode-video=mp4', u'-f', u'bestvideo+bestaudio/best'] gets Youtube clip in only 854x480 - but Jdownloader is able to download in 1280x720

[ghost]

example video download youtube-dl vs. JDownloader

> youtube-dl -v 'https://www.youtube.com/watch?v=x8Oa0HqmA-o'
[debug] System config: [u'--recode-video=mp4', u'-f', u'bestvideo+bestaudio/best']
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'https://www.youtube.com/watch?v=x8Oa0HqmA-o']
[debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2017.07.23
[debug] Python version 2.7.10 - Darwin-16.7.0-x86_64-i386-64bit
[debug] exe versions: ffmpeg 3.3.2, ffprobe 3.3.2, rtmpdump 2.4
[debug] Proxy map: {'http': 'http://127.0.0.1:8118', 'https': 'http://127.0.0.1:8118'}
[youtube] x8Oa0HqmA-o: Downloading webpage
[youtube] x8Oa0HqmA-o: Downloading video info webpage
[youtube] x8Oa0HqmA-o: Extracting video information
[youtube] x8Oa0HqmA-o: Downloading MPD manifest
[youtube] x8Oa0HqmA-o: Downloading MPD manifest
[download] UNGLAUBLICH - Frau pisst am helllichten Tag, bis sie gestört wird!-x8Oa0HqmA-o.mp4 has already been downloaded and merged
[ffmpeg] Not converting video file UNGLAUBLICH - Frau pisst am helllichten Tag, bis sie gestört wird!-x8Oa0HqmA-o.mp4 - already is in target format mp4

> mediainfo UNGLAUBLICH\ -\ Frau\ pisst\ am\ helllichten\ Tag\,\ bis\ sie\ gestört\ wird\!-x8Oa0HqmA-o.mp4 
General
Complete name                            : UNGLAUBLICH - Frau pisst am helllichten Tag, bis sie gestört wird!-x8Oa0HqmA-o.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom (isom/iso2/avc1/mp41)
File size                                : 1.56 MiB
Duration                                 : 38 s 940 ms
Overall bit rate                         : 335 kb/s
Writing application                      : Lavf57.71.100

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : Main@L3.1
Format settings, CABAC                   : Yes
Format settings, RefFrames               : 1 frame
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 38 s 873 ms
Bit rate                                 : 203 kb/s
Width                                    : 854 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 29.970 FPS
Minimum frame rate                       : 29.674 FPS
Maximum frame rate                       : 30.581 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.017
Stream size                              : 963 KiB (60%)
Color range                              : Limited
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 38 s 940 ms
Bit rate mode                            : Constant
Bit rate                                 : 126 kb/s
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 kHz
Frame rate                               : 43.066 FPS (1024 SPF)
Compression mode                         : Lossy
Stream size                              : 597 KiB (37%)
Default                                  : Yes
Alternate group                          : 1

Now Jdownloader

> mediainfo /Users/Lena/Downloads/UNGLAUBLICH_\ Frau\ pisst\ am\ helllichten\ Tag\,\ bis\ sie\ gestört\ wird\!/UNGLAUBLICH_\ Frau\ pisst\ am\ helllichten\ Tag\,\ bis\ sie\ gestört\ wird\!\ \(720p_30fps_H264-192kbit_AAC\).mp4 
(...)
Format                                   : MPEG-4
Format profile                           : Base Media / Version 2
Codec ID                                 : mp42 (isom/mp42)
File size                                : 5.60 MiB
Duration                                 : 38 s 893 ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 1 207 kb/s
Encoded date                             : UTC 2017-07-08 12:49:33
Tagged date                              : UTC 2017-07-08 12:49:33
gsst                                     : 0
gstd                                     : 38938

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L3.1
Format settings, CABAC                   : Yes
Format settings, RefFrames               : 1 frame
Format settings, GOP                     : M=1, N=60
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 38 s 872 ms
Bit rate                                 : 1 013 kb/s
Maximum bit rate                         : 2 147 kb/s
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 29.970 (30000/1001) FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.037
Stream size                              : 4.69 MiB (84%)
Tagged date                              : UTC 2017-07-08 12:49:34
Color range                              : Limited
Color primaries                          : BT.709
Transfer characteristics                 : BT.709
Matrix coefficients                      : BT.709

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 38 s 893 ms
Bit rate mode                            : Variable
Bit rate                                 : 192 kb/s
Maximum bit rate                         : 201 kb/s
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 kHz
Frame rate                               : 43.066 FPS (1024 SPF)
Compression mode                         : Lossy
Stream size                              : 912 KiB (16%)
Title                                    : IsoMedia File Produced by Google, 5-11-2011
Language                                 : German
Encoded date                             : UTC 2017-07-08 12:49:34
Tagged date                              : UTC 2017-07-08 12:49:34

thanks

[dstftw]

854x480 has higher reported bitrate than 1280x720.