[FFmpeg-user] I found the bugs

[Paul B Mahol]

On Wed, Jun 19, 2024 at 11:25 PM Paul B Mahol <onemda at gmail.com> wrote:

>
>
> 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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>

Mark, did you tried this one or any alternative one to move forward with
this subject?