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+--- Thread: [HELP] vob mux to mkv or mp4 by hybrid got problem (/thread-1937.html)
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vob mux to mkv or mp4 by hybrid got problem - ssdde - 07.08.2021
there is a DVD here that can't remux to mkv by PgcDemux or makemkv,
when import .IFO in PgcDemux, it can't process.
And when using makemkv, the exported mkv file is not full, missing the last 30 minutes. so i have to try to use Hybrid to process.
i select the "DVD input", Video and Audio set to "passthrough", but the exported mux MKV or MP4 got problem, picture and audio is not sync, and when i selected "FFmpeg instead of MP4Box" in Config - containers, the exported MP4 first half part is sync, but the last half of it is out of sync again. there are two episodes in this DVD, the first episode is OK now, but 50fps when playing, it shoulde be 60fps, it's a 29.97fps 720×480i DVD. and the second episode in MP4 is still out of sync.
i merge all the VOBs to a single VOB, the merged VOB is very good, no out of sync, and has all three audio tracks and subtitles. i try to using hybrid to mux the merged vob to mkv or mp4, but export file still out of sync.
so how to solve? can i send you the full vobs and ifos? about 4.2GB
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
Sounds like your DVD is broken.
Quote:so i have to try to use Hybrid to process.Have you tried mkvtoolnix?
Quote:i merge all the VOBs to a single VOB,vobs are meant to be max 1GB, if you merge the files another container should be used.
Quote: i try to using hybrid to mux the merged vob to mkv or mp4, but export file still out of sync.Try mkvtoolnix instead for muxing to mkv.
Quote:so how to solve? can i send you the full vobs and ifos? about 4.2GBonly as a last option.
Cu Selur
RE: vob mux to mkv or mp4 by hybrid got problem - ssdde - 07.08.2021
tried mkvtoolnix?
yes, tried. export mkv is still out of sync.
i merged all vobs to a single 4.07GB vob file, it's very good, has all audio tracks, and all subtitiles. without out of sync, no problem.
but when i try to import it to mkvtoolnix to export, the exported mkv is still out of sync.
send you full samples by PM.
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
Quote:send you full samples by PM.got no PM
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
got one now
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
Yeah, remux is here async too.
MPlayer reports tons of errors when decoding and processing the video.
Scanning the DVD files with PVAStrument I got
***
*** PVAStrumento 2.1.0.22
*** running at 08-07-2021 18:44
***
Pre-Scanning input. May take some time.
Stream info for
E:\sendgb-k1oSFdyc3TW\VTS_01_1.VOB
Found 1 video stream.
VIDEO #1
Resolution 720 x 480
Aspect ratio is 4:3
Frame rate 29.97 fps
Nominal bitrate 8260000 bps
VBV size 224 kB
First PTS: 00:00:00.280
AC3 AUDIO #1
Format: 2/0
Sampled at 48.0 kHz.
First PTS: 00:00:00.280
AC3 AUDIO #2
Format: 2/0
Sampled at 48.0 kHz.
First PTS: 00:00:00.280
AC3 AUDIO #3
Format: 2/0
Sampled at 48.0 kHz.
First PTS: 00:00:00.280
==SCANNING==
Input: E:\sendgb-k1oSFdyc3TW\VTS_01_1.VOB
E:\sendgb-k1oSFdyc3TW\VTS_01_2.VOB
E:\sendgb-k1oSFdyc3TW\VTS_01_3.VOB
E:\sendgb-k1oSFdyc3TW\VTS_01_4.VOB
E:\sendgb-k1oSFdyc3TW\VTS_01_5.VOB
Closing starting GOP.
Aiming for sync at 00:00:00.280
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:00:00.280
AC3 1 starts at 00:00:00.280
AC3 2 starts at 00:00:00.280
AC3 3 starts at 00:00:00.280
[ Found a GOP with more than 15 pics.
This is not DVD compliant, but many players accept it.
See summary for total number at end. ]
ALERT> PTS reset in video. Have to re-sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:49:43.672
Cutting video.
AC3 stream 1: PTS DISCONTINUITY
AC3 stream 2: PTS DISCONTINUITY
AC3 stream 3: PTS DISCONTINUITY
Closing starting GOP.
Aiming for sync at 00:00:00.781
Cutting audio.
AC3 stream 1 now starts at 00:00:00.792
AC3 stream 2 now starts at 00:00:00.792
AC3 stream 3 now starts at 00:00:00.792
Video stream 1 now starts at 00:00:00.781
Last fileset:
4263859112 total bytes read
Video 1: 177227 frames, 01:38:33.474
AC3 1: 184817 frames, 01:38:34.144
AC3 2: 184706 frames, 01:38:30.592
AC3 3: 184706 frames, 01:38:30.592
Sync estimate at EOF:
AC3 Audio #1 : sync
AC3 Audio #2 : 891 ms before video
AC3 Audio #3 : 891 ms before video
************************************
*** Problem sections in output: ***
************************************
At or near 00:49:43.547 : Video #1
Video statistics
================
GOP length (min/avg/max):
12 / 15 / 18 [frames]
11527 / 324709 / 612787 [Bytes]
GOP bitrate (min/avg/max):
184 / 5190 / 9794 [kbps]
++ INFO:
++ 2 GOP(s) with more than 15 frames were found
++ This is not "DVD-compliant"
++ It _may_ cause problems in DVD-authoring or
++ with some DVD players
Needed time for the job 00:00:34 (hh.mm.ss)Seeing that PVA Strumento reported a delay fof 280ms I used this delay in Hybrid during the remuxing.
Output is still async. PVA Strumento also remorted 891 ms for the second and third audio stream at the end.
-> May be using some mpeg2 repair software can help with this.
Sorry, but Hybrid will not be able to help with broken input files.
Cu Selur
RE: vob mux to mkv or mp4 by hybrid got problem - ssdde - 07.08.2021
yeah, as you said, there are some errors on it, indeed, the TV series DVDs, only this one got problem.
but why the single merged VOB file got right video and audio stream? if the merged VOB can be good, i really want to find the way to process.
send you the merged VOB by PM, merged.vob, 4.07GB, can you help to research, thanks.
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
I have no interest in trying to fix broken files.
Sorry.
Cu Selur
RE: vob mux to mkv or mp4 by hybrid got problem - ssdde - 07.08.2021
but i don't know why the merged VOB is not broken, it is right both video and audio streams. but i really need it a mkv or mp4, but exporting by mkvtoolnix or hybrid, the exported file is async. don't know how to solve.
RE: vob mux to mkv or mp4 by hybrid got problem - Selur - 07.08.2021
PVA Strumento reported tons of errors, like I posted you should try some software designed to repair MPEG-2 streams.
You could also try: Remuxing each vob on it's on using mkvmerge and then trying to merge the mkv files.
Cu Selur