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Post: #653

RE: AniList 3/Anime Chatter with Senseito

(20/06/2010 06:23 PM)Assassinator Wrote: If Thora is 20MB/s, Coalgirls is 50MB/s. (And Thora isn't 20MB/s... at least not in this case).

Seem they're both large.
CoalGirls:

Spoiler:

Code:

General
Complete name                    : [Coalgirls]_Clannad_OP_(1920x1080_Blu-Ray_FLAC)_[77862BE6].mkv
Format                           : Matroska
File size                        : 217 MiB
Duration                         : 1mn 31s
Overall bit rate                 : 19.8 Mbps
Movie name                       : Clannad OP
Encoded date                     : UTC 2010-05-09 12:35:14
Writing application              : mkvmerge v2.9.8 ('C'est le bon') built on Aug 13 2009 12:49:06
Writing library                  : libebml v0.7.7 + libmatroska v0.8.1
Cover                            : Yes

Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L5.0
Format settings, CABAC           : Yes
Format settings, ReFrames        : 8 frames
Muxing mode                      : Container profile=Unknown@5.0
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 1mn 31s
Width                            : 1 920 pixels
Height                           : 1 080 pixels
Display aspect ratio             : 16:9
Frame rate                       : 23.976 fps
Resolution                       : 24 bits
Colorimetry                      : 4:2:0
Scan type                        : Progressive
Title                            : Clannad OP
Writing library                  : x264 core 94 r1570 d9db8b3
Encoding settings                : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=9 / psy=1 / psy_rd=0.80:0.20 / mixed_ref=1 / me_range=24 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-3 / threads=3 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=8 / b_pyramid=0 / b_adapt=2 / b_bias=0 / direct=3 / wpredb=1 / wpredp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=14.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00

Audio
ID                               : 2
Format                           : FLAC
Format/Info                      : Free Lossless Audio Codec
Codec ID                         : A_FLAC
Duration                         : 1mn 31s
Bit rate mode                    : Variable
Channel(s)                       : 6 channels
Sampling rate                    : 48.0 KHz
Resolution                       : 16 bits
Title                            : 5.1 FLAC
Writing library                  : libFLAC 1.2.0 (UTC 2007-07-15)
Language                         : Japanese

Text
ID                               : 3
Format                           : ASS
Codec ID                         : S_TEXT/ASS
Codec ID/Info                    : Advanced Sub Station Alpha
Title                            : English
Language                         : English

Thora

Spoiler:

Code:

General
Complete name                    : Clannad OP [1080p,BluRay,x264] - THORA.mkv
Format                           : Matroska
File size                        : 226 MiB
Duration                         : 1mn 29s
Overall bit rate                 : 21.1 Mbps
Encoded date                     : UTC 2010-05-07 14:28:53
Writing application              : mkvmerge v3.2.0 ('Beginnings') built on Feb 12 2010 16:46:17
Writing library                  : libebml v0.7.9 + libmatroska v0.8.1
Cover                            : Yes

Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : High@L4.1
Format settings, CABAC           : Yes
Format settings, ReFrames        : 3 frames
Muxing mode                      : Container profile=Unknown@4.1
Codec ID                         : V_MPEG4/ISO/AVC
Duration                         : 1mn 29s
Bit rate                         : 20.1 Mbps
Width                            : 1 920 pixels
Height                           : 1 080 pixels
Display aspect ratio             : 16:9
Frame rate                       : 23.976 fps
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.403
Stream size                      : 215 MiB (95%)
Writing library                  : x264 core 0000000000000000
Encoding settings                : 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
Language                         : Japanese

Audio
ID                               : 2
Format                           : AC-3
Format/Info                      : Audio Coding 3
Mode extension                   : CM (complete main)
Codec ID                         : A_AC3
Duration                         : 1mn 29s
Bit rate mode                    : Constant
Bit rate                         : 640 Kbps
Channel(s)                       : 6 channels
Channel positions                : Front: L C R, Side: L R, LFE
Sampling rate                    : 48.0 KHz
Stream size                      : 6.85 MiB (3%)
Language                         : Japanese

Text
ID                               : 3
Format                           : ASS
Codec ID                         : S_TEXT/ASS
Codec ID/Info                    : Advanced Sub Station Alpha
Language                         : English

From the above, it looks like Thora is going _less_ than crf14, as file size is bigger, plus they're using lossy audio track (speaking of which, I wonder what the source is, if it's AC3, then CG did something stupid, whereas, if it's PCM, then Thora is being whacky). Of course, that assumes that they start with the same source (most likely) and no additional filtering was done. From screenshots, they look very similar IMO.

Honestly, I'd have to choose CG out of the two.

(20/06/2010 06:23 PM)Assassinator Wrote: Blanking out settings is dumb. Real encoders compile their own x264 edited to not include the SEI at all. Thora's settings weren't anything great anyway, at least from what I remember. Though they could have improved... (heh, I don't remember my own settings to be great back then either).

Deleting the SEI is hell easy anyway (easier than blanking it out actually). Admittedly, I had to look at x264's code to figure out how.

21/06/2010 01:37 AM