[FFmpeg-user] I found the bugs

[Paul B Mahol]

On Wed, Jun 19, 2024 at 10:43 PM Mark Filipak <markfilipak.imdb at gmail.com>
wrote:

> On 19/06/2024 15.48, Jim DeLaHunt wrote:
> > On 2024-06-19 10:25, Paul B Mahol wrote:
> >
> >> It could be ffmpeg libavformat m2ts demuxer bug. Get the m2ts stream
> >> inspector tool to confirm.
> >
> > Paul, could you please specify which "m2ts stream inspector tool" you
> are referring to?
> >
> >  From a web search for "m2ts stream inspector tool", I found:
> >
> >   * TSPE - Transport Stream Packet Editor / Analyser, by BitStreamTools
> >     <https://bitstreamtools.com/>
> The links:
> https://bitstreamtools.com/download/downloadsetup0760.php
> https://bitstreamtools.com/download/downloadsetup0815.php
> are broken. The northernhd.com download site doesn't exist.
>
> >   * MPEG-2 Transport Stream Packet Analyser, by daniep01
> >     <https://github.com/daniep01/MPEG-2-Transport-Stream-Packet-Analyser
> >
> This is not an analyzer. It's a packet browser. I use it.
>
> >   * tsMuxeR, from VideoHelp <https://www.videohelp.com/software/tsMuxeR>
> I downloaded and ran it.
> =====
> Metadata:
> MUXOPT --no-pcr-on-video-pid --new-audio-pes --vbr  --vbv-len=500
> V_MPEG4/ISO/AVC, "G:\FANNY AND ALEXANDER [1982(1983)]\Ticket_11055.m2ts",
> insertSEI, contSPS, track=4113
> A_DTS, "G:\FANNY AND ALEXANDER [1982(1983)]\Ticket_11055.m2ts",
> timeshift=-32ms, track=4352
> =====
> I remuxed Ticket_11055.m2ts with it. The tsRuxeR version is much worse.
> I couldn't find an analyzer.
>
> >   * TSInspector, by AlexanderCaesar
> >     <https://github.com/AlexanderCaesar/TSInspector>
> Requirements
>      Windows platform
>      Visual Studio  ----- I don't have this.
> Packages
> No packages published
>
> >   * Inspector, by Twitch <https://inspector.twitch.tv>
> Inspector analyzes and assists in the troubleshooting of internet
> connection or encoder related
> issues while broadcasting to Twitch
>
> > There are more.
> Not that I could find.
>
> I removed the audio stream (PID: 4352, i.e. 0x1100). I didn't expect that
> to make any difference,
> and it didn't make any difference.
>

I specificaly did not specify exact names/tools/links info because I know
such tools in general are not cheap open-source solutions.

But if you still insinst on actual name, I found one (searching under <60
seconds on search engine that tends to promote entities that pay for ads,
did not tried it at all) that seems at first sight legit and profesional,
and also looks to provide demo/trial:

https://www.jongbel.com/automated-validation/mpeg-2-video-validation/


>
> --Mark.
>
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