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):
{{:encotest:f004.png?direct&200|}}{{:encotest:f004-vp8.png?direct&200|}}{{:encotest:f004-vp9.png?direct&200|}}
Case 2 (geek speaks):
{{:encotest:f011.png?direct&200|}}{{:encotest:f011-vp8.png?direct&200|}}{{:encotest:f011-vp9.png?direct&200|}}
Case 3 (panda puts the CD):
{{:encotest:f029.png?direct&200|}}{{:encotest:f029-vp8.png?direct&200|}}{{:encotest:f029-vp9.png?direct&200|}}
**Download videos**
* [[https://suumitsu.eu/wiki/upload/test1-slg-source.mkv|source]]
* [[https://suumitsu.eu/wiki/upload/test1-slg-vp8.webm|VP8]]
* [[https://suumitsu.eu/wiki/upload/test1-slg-vp9.webm|VP9]]