Need Some Help Fixing A Poorly Encoded MPEG TS File

[Robo4900]

Hello.

So, first, one thing to quickly explain is that I'm into bootleg trading where it is approved by the relevant band. In this case, the band Dream Theater performed a concert in 1989, which was unofficially filmed, and now circulates the bootleg trading scene; this is condoned by the band, although the legal status depends on the country. (Just wanted to get this out of the way right away)

Anyway, so I got this video file a while ago. It's a TS file, but it's poorly encoded. Basically, a third of the programs(MPC-HC, Avidemux, etc.) I point to it report a 6-second length(It should be ~35 minutes), and stop when it reaches that point. A third of the programs(VLC, a couple of weird demuxing programs I've tried, etc.) I've used report a 6-second length, play choppily(Although they seem to be able to play it fully), and seeking is completely messed up. And then a third work completely fine(Only happens for Handbrake, and a couple of editing programs that export files with the same problems as the original file).

After talking with the guy who encoded it, he apparently ripped it from a VHS tape using a DVD recorder(Although he was a little vague about it - the info file that comes with the video says this about the lineage of the video: "traded tape - vcr - hdd - projectX - you"), and apparently it played fine for him(Although, again, he was pretty vague about the whole thing).
I tried renaming it to a .VOB and using FixVTS, and although it made playback better(No more skipping and jumping, and MPC-HC seems to be able to play the whole file), the seek bar was still messed up. I also tried IFOEdit, although I couldn't get it to do anything helpful.

I suspect that it's a weirdly encoded, renamed VOB file from a DVD, with the IFO file missing(Can't confirm this, though; the guy who encoded it was uncooperative, impolite, and seemingly uninterested in helping me).
Handbrake seems to work as an okay workaround, but I'm keeping that as a last resort in case no-one here can help me(I'd like to try to keep this lossless; as it is, this video is sourced from an old and fairly high-gen tape).

This is what MediaInfo has to say about the file:

General
ID                          : 1 (0x1)
Complete name               : S:\Music\1989-04-26 - MCA Showcase, SIR Studios (Video - TS version)\VTS_01_1.ts
Format                      : MPEG-TS
File size                   : 1.26 GiB
Duration                    : 5s 430ms
Overall bit rate mode       : Variable
Overall bit rate            : 2 000 Mbps

Video
ID                          : 224 (0xE0)
Menu ID                     : 258 (0x102)
Format                      : MPEG Video
Format version              : Version 2
Format profile              : Main@Main
Format settings, BVOP       : Yes
Format settings, Matrix     : Default
Format settings, GOP        : M=3, N=12
Format settings, picture st : Frame
Codec ID                    : 2
Duration                    : 5s 830ms
Bit rate mode               : Variable
Bit rate                    : 1 901 Mbps
Maximum bit rate            : 9 549 Kbps
Width                       : 704 pixels
Height                      : 576 pixels
Display aspect ratio        : 4:3
Frame rate                  : 25.000 fps
Standard                    : PAL
Color space                 : YUV
Chroma subsampling          : 4:2:0
Bit depth                   : 8 bits
Scan type                   : Interlaced
Scan order                  : Top Field First
Compression mode            : Lossy
Bits/(Pixel*Frame)          : 187.472
Time code of first frame    : 00:00:19:05
Time code source            : Group of pictures header
Stream size                 : 1.29 GiB
Color primaries             : BT.601 PAL
Transfer characteristics    : BT.470 System B, BT.470 System G
Matrix coefficients         : BT.601

Audio
ID                          : 128 (0x80)
Menu ID                     : 258 (0x102)
Format                      : AC-3
Format/Info                 : Audio Coding 3
Mode extension              : CM (complete main)
Format settings, Endianness : Big
Codec ID                    : 129
Duration                    : 5s 622ms
Bit rate mode               : Constant
Bit rate                    : 256 Kbps
Channel(s)                  : 2 channels
Channel positions           : Front: L R
Sampling rate               : 48.0 KHz
Compression mode            : Lossy
Delay relative to video     : -144ms
Stream size                 : 176 KiB (0%)
Language                    : English

And this is the codec information supplied by the guy who encoded it:

File size : 1.26 GiB
Overall bit rate : 2 000 Mbps
Format: MPEG 2 Video
Width : 704 pixels
Height : 576 pixels
Display aspect ratio : 4:3
Frame rate: 25.000 fps
Standard: PAL
Format : AC-3
Bit rate mode : Constant
Bit rate : 256 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Bit depth: 16 bits

If anyone has any advice/thoughts/anything at all, I'm all ears, and basically willing to try anything(Although please explain things clearly; I'm fairly new to all this video stuff, and I like to understand what I'm doing).

[usually_quiet]

Did you already try copying the audio and video to an mpg container with ffmpeg? For example:

ffmpeg -i movie_in.ts -vcodec copy -acodec copy movie_out.mpg

or

ffmpeg -i movie_in.VOB -vcodec copy -acodec copy movie_out.mpg

[Robo4900]

Huh. It worked. XD

I guess some things just don't have a working GUI equivalent.
Thank you very much.