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encotest:test1-slg

Ceci est une ancienne révision du document !


Source:

General
Unique ID                                : 31292182414680068806057361186904158300 (0x178AA7B5892823D5D632247690A9305C)
Complete name                            : test1-slg-source.mkv
Format                                   : Matroska
Format version                           : Version 4 / Version 2
File size                                : 5.54 MiB
Duration                                 : 26s 540ms
Overall bit rate                         : 1 751 Kbps
Encoded date                             : UTC 2014-03-21 11:07:43
Writing application                      : mkvmerge v6.8.0 ('Theme for Great Cities') 64bit built on Mar  4 2014 17:19:38
Writing library                          : libebml v1.3.0 + libmatroska v1.4.1

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L3.1
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 1 frame
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 26s 560ms
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Default                                  : Yes
Forced                                   : No

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : A_AAC
Duration                                 : 26s 540ms
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Default                                  : Yes
Forced                                   : No

VP8:

General
Unique ID                                : 59783800059438893273153602966506865022 (0x2CF9F0EA1E7A6563EF627ACD92DA817E)
Complete name                            : test1-slg-vp8.webm
Format                                   : WebM
Format version                           : Version 4 / Version 2
File size                                : 1.12 MiB
Duration                                 : 26s 543ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 353 Kbps
Writing application                      : Lavf55.34.101
Writing library                          : Lavf55.34.101

Video
ID                                       : 1
Format                                   : VP8
Codec ID                                 : V_VP8
Duration                                 : 26s 560ms
Bit rate                                 : 218 Kbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 0.009
Stream size                              : 707 KiB (62%)
Default                                  : Yes
Forced                                   : No

Audio
ID                                       : 2
Format                                   : Vorbis
Format settings, Floor                   : 1
Codec ID                                 : A_VORBIS
Duration                                 : 26s 542ms
Bit rate mode                            : Variable
Bit rate                                 : 112 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Delay relative to video                  : -3ms
Stream size                              : 363 KiB (32%)
Writing library                          : libVorbis (Turpakäräjiin) (20140122 (Turpakäräjiin))
Default                                  : Yes
Forced                                   : No
Writing application                      : Lavc55.52.102

VP9:

General
Unique ID                                : 124385627487690225548014686080161333796 (0x5D93CCEB248C514DB852F74285D8C224)
Complete name                            : test1-slg-vp9.webm
Format                                   : WebM
Format version                           : Version 4 / Version 2
File size                                : 1.30 MiB
Duration                                 : 26s 543ms
Overall bit rate mode                    : Variable
Overall bit rate                         : 411 Kbps
Writing application                      : Lavf55.34.101
Writing library                          : Lavf55.34.101

Video
ID                                       : 1
Format                                   : VP9
Codec ID                                 : V_VP9
Duration                                 : 26s 560ms
Bit rate                                 : 274 Kbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 25.000 fps
Bits/(Pixel*Frame)                       : 0.012
Stream size                              : 888 KiB (67%)
Default                                  : Yes
Forced                                   : No

Audio
ID                                       : 2
Format                                   : Vorbis
Format settings, Floor                   : 1
Codec ID                                 : A_VORBIS
Duration                                 : 26s 542ms
Bit rate mode                            : Variable
Bit rate                                 : 112 Kbps
Channel(s)                               : 2 channels
Sampling rate                            : 44.1 KHz
Compression mode                         : Lossy
Stream size                              : 363 KiB (27%)
Writing library                          : libVorbis (Turpakäräjiin) (20140122 (Turpakäräjiin))
Default                                  : Yes
Forced                                   : No
Writing application                      : Lavc55.52.102

Encoding parameters:

ffmpeg -i source.mkv -c:v libvpx{-vp9} out.webm

Using ffmpeg and libvpx, compiled from source as of 2014/03/21 @ 12:00 CET

Screenshots (decoder: ffmpeg)

(left: source | middle: VP8 | right: VP9)

Case 1 (blurred black-to-image transition):

Case 2 (geek speaks):

Case 3 (panda puts the CD):

Download videos

encotest/test1-slg.1490222535.txt.gz · Dernière modification : 2017-03-22 23:42 (modification externe)