trouble when extract MKV

[minhtri_595]

My file mkv has 1 video (avi), 2 audio (aac), 1 srt,
I want to del 1 audio and replace srt by ssa, then i extract mkv.
But (
I use Media Info in K-Lite Mega Code pack)
the mkv orginal

Complete name : H:\Temp\Love_Hina_Christmas_Special.mkv
Format : Matroska
File size : 695 MiB
Duration : 45mn 28s
Overall bit rate : 2137 Kbps
Movie name : [a4e]Love Hina Christmas Movie
Encoded date : UTC 2004-09-17 12:11:20
Writing application : mkvmerge v0.8.9 built on May 6 2004 19:48:43
Writing library : libebml v0.7.0 + libmatroska v0.7.0

Video
Format : MPEG-4 Visual
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default
Codec ID : DX50
Codec ID/Hint : DivX 5
Duration : 45mn 25s
Width : 704 pixels
Height : 528 pixels
Display aspect ratio : 4/3
Frame rate : 29.970 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Title : [a4e]Love Hina Christmas
Writing library : DivX 5.2.1 (WaffleDay) (UTC 2004-09-08)
Language : Japanese

then I extract the video

Complete name : G:\Temp\Love_Hina_Christmas_Special_Track1.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 653 MiB
Duration : 36mn 25s
Overall bit rate : 2506 Kbps
Writing application : mkvextract 2.3.0

Video
Format : MPEG-4 Visual
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default
Muxing mode : Packet Bitstream
Codec ID : DX50
Codec ID/Hint : DivX 5
Duration : 36mn 25s
Bit rate : 2501 Kbps
Width : 704 pixels
Height : 528 pixels
Display aspect ratio : 4/3
Frame rate : 29.970 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.224
Stream size : 651 MiB (100%)
Writing library : DivX 5.2.1 (WaffleDay) (UTC 2004-09-08)

what happen with 45mn 28s-36mn 25s =9mn 3s ?
When I watch file avi, it is full, but it seems the timer cout up a little quickly than file mkv
Because there is difference duration so i can't synchronize the audio and video

[Baldrick]

How are you extracting it to an avi? What software?

[poisondeathray]

Try using mkvmergegui

Checkmark the files you want, uncheckmark the files you don't want. Add the .ssa file, then press merge

[45tripp]

probably vfr,

if you just want to remux, with one audio and alternate subs,
then you (probably) have to remux to mkv

if avi, is the aim.
then you'll have to re-encode


tripp

[minhtri_595]

i used MKVextractGUI to extract and mkvmerge to merge (all in mkvtoolnix)
But i dont understand what going on, while duration file mkv is 45 minutes but the duration of file video avi extract from mkv is 36 minutes

@45tripp: amazing, you found the main reason, but i need an advice, i will change vfr to cfr or use merge to mkv and execute some special script needed

[45tripp]

was that a question?

but i'll say it's a mistake to demux with mkvextract and then remux.
overly complex.

import media directly into mkvmerge,
select streams you wish to remain,
remux.

[minhtri_595]

was that a question?

but i'll say it's a mistake to demux with mkvextract and then remux.
overly complex.

import media directly into mkvmerge,
select streams you wish to remain,
remux.

how can i import media directly into mkvmerge without extract it before ?

[45tripp]

just drag it into the mkvmerge gui

[minhtri_595]

When i use mkvmerge GUI to remux but it says error
" Could not extract the decoder specific config data (AVCC) from this AVC/h.264 track."

I notice that Video ID in normal mkv is V_MPEG/ISO/AVC, but with this file Video ID is V_MS/VFW/FOURCC

how can I remux it ?

[minhtri_595]

someone please help me, please!

[Ai Haibara]

Just to be sure, are you running the latest versions of MKVExtractGUI/MKVMerge and mkvtoolnix, all installed to the same directory?

[minhtri_595]

of course.
Notice that i have trouble with another file, not the file which is mentioned in first post