Bitrate and file size problem

[Aircraft]

So, i want to make my first BRRip. I'm using VirtualDubMOD as the encoder. With audio i have no problem at all. But it gets all stuck on the video part (Bitrate & Filesize). I set my bitrate to 2900 so the file size is around 1.7GB. And i use 2-pass encoding. When encoding is done i always get filesize around 700-900MB, and bitrate around 1500kbps lower then it should be. So i really don't get it. What's causing the issue?

Info about video i'm trying to endcode:

Format : Matroska
Format version : Version 4 / Version 2
File size : 3.28 GiB
Duration : 1 h 8 min
Overall bit rate : 6 888 kb/s
Encoded date : UTC 2017-11-01 22:55:31
Writing application : mkvmerge v8.3.0 ('Over the Horizon') 64bit
Writing library : libebml v1.3.1 + libmatroska v1.4.2

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.1
Format settings : CABAC / 5 Ref Frames
Format settings, CABAC : Yes
Format settings, RefFrames : 5 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 1 h 8 min
Bit rate : 5 378 kb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.243
Stream size : 2.56 GiB (78%)
Writing library : x264 core 152 r2851 ba24899
Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=22 / lookahead_threads=3 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=5378 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / aq=1:1.00
Language : English
Default : Yes
Forced : No

Audio
ID : 2
Format : DTS
Format/Info : Digital Theater Systems
Codec ID : A_DTS
Duration : 1 h 8 min
Bit rate mode : Constant
Bit rate : 1 509 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 93.750 FPS (512 SPF)
Bit depth : 24 bits
Compression mode : Lossy
Stream size : 735 MiB (22%)
Language : English
Default : Yes
Forced : No

Menu
00:00:00.000 : en:00:00:00.000
00:01:47.607 : en:00:01:47.607
00:14:14.896 : en:00:14:14.896
00:22:41.235 : en:00:22:41.235
00:33:14.451 : en:00:33:14.451
00:43:01.370 : en:00:43:01.370
00:54:44.781 : en:00:54:44.781
01:06:51.257 : en:01:06:51.257

This is what i get:


Format : AVI
Format/Info : Audio Video Interleave
File size : 828 MiB
Duration : 1 h 8 min
Overall bit rate : 1 700 kb/s
Writing application : VirtualDubMod 1.5.10.3 | www.virtualdub-fr.org || (build 2550/release)
Writing library : VirtualDubMod build 2550/release

Video
ID : 0
Format : MPEG-4 Visual
Format profile : Advanced Simple@L5
Format settings : BVOP1
Format settings, BVOP : 1
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 1 h 8 min
Bit rate : 1 243 kb/s
Width : 720 pixels
Height : 400 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.180
Stream size : 605 MiB (73%)
Writing library : XviD 67

Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Codec ID : 2000
Duration : 1 h 8 min
Bit rate mode : Constant
Bit rate : 448 kb/s
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 218 MiB (26%)
Alignment : Split accross interleaves
Interleave, duration : 42 ms (1.00 video frame)
Interleave, preload duration : 500 ms
Service kind : Complete Main

[Cornucopia]

Hard to say since you didn't give any particulars about your settings, other than "2900". Maybe you are using that number for Max instead of Average. Maybe you need to specify it during both passes (not sure as I never use vdubmod anymore, since mid 2000s).

More info needed...

Scott

[Aircraft]

This is how i set it:


[Attachment 46219 - Click to enlarge]

[jagabo]

Did you manually run both the first and second passes? VirtualDub doesn't automatically run both passes.

Is this a very clean (little noise) animation? It may simply be that the encoder can't give as high a bitrate as you asked for with the specified settings. Check the min quantizer settings. Make them lower.

[Aircraft]

Well, i was following this guide --> http://www.sb-innovation.de/f209/how-create-xvid-brrip-720p-mkv-19364/. I want to encode Westworld.S01.E01.Bluray.x264 to Xvid.

[lingyi]

Buy the actual Blu-Ray instead of illegal downloads.

[johns0]

Aircraft-please do not ask for help on illegally downloaded blu-ray rips,this is against forum rules,this thread is closed.