Re: [FFmpeg-user] List members behaving badly

[Dennis Mungai]

On Fri, 12 Apr 2019 at 06:49, Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

> People, please...
> I offer the following in the hope that it can be viewed as constructive
> criticism.
> The argument here is effectively one which has been raging for years -
> decades, even - and it is not helping anyone.
> The open source community is notorious for being poorly socialised and
> indulging in excessively pedantic or deliberately unhelpful behaviour. I
> have commented on this list about it many times and I stand by those
> comments. This is an example of that.
> This holds back open source software in all its forms. It serves to put
> off new users who might become useful contributors in time. It alienates
> people with useful expertise who are not software engineers. The problems
> caused by all of this are highly visible in open source software in
> general, and ffmpeg in particular.
> I don't know what the solution is, but it must necessarily involve
> everyone being nicer to each other, and not trying to jusify
> unprofessional, discourteous behaviour.
> I've been saying it for years and I'm going to keep saying it: FOSS could
> do so much better than it does, almost solely because of exactly this sort
> of bad behaviour.
> -P
>
>
We need to stop making *this* a justification for the toxicity the likes of
Reindl create in this mailing list.
This isn't about FOSS' tolerance for "bad behavior" as you put it in this
context, but rather this mailing list's willingness to overlook persistent
abuse by Harald.
A pattern of repeated harassment that mailing list mods overlook, either by
choice or omission, is the problem here.
It's become an echo chamber over time where dialogue is stymied , and put
bluntly, remains openly hostile to a majority of users who'd rather not
post here and get flamed in retaliation.

Until this course is corrected, Harald and his ilk will remain as the
persistent problem they are, unchecked like a cancerous tumor thriving on
necrotized septic toxicity.
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Re: [FFmpeg-user] List members behaving badly

[Phil Rhodes via ffmpeg-user]

People, please...
I offer the following in the hope that it can be viewed as constructive 
criticism.
The argument here is effectively one which has been raging for years - decades, 
even - and it is not helping anyone.
The open source community is notorious for being poorly socialised and 
indulging in excessively pedantic or deliberately unhelpful behaviour. I have 
commented on this list about it many times and I stand by those comments. This 
is an example of that.
This holds back open source software in all its forms. It serves to put off new 
users who might become useful contributors in time. It alienates people with 
useful expertise who are not software engineers. The problems caused by all of 
this are highly visible in open source software in general, and ffmpeg in 
particular.
I don't know what the solution is, but it must necessarily involve everyone 
being nicer to each other, and not trying to jusify unprofessional, 
discourteous behaviour.
I've been saying it for years and I'm going to keep saying it: FOSS could do so 
much better than it does, almost solely because of exactly this sort of bad 
behaviour.
-P
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Re: [FFmpeg-user] List members behaving badly

[Carl Zwanzig]

On 4/11/2019 11:01 AM, Nicolas George wrote:

Reindl Harald (12019-04-11):

frankly, my first response was "hell you have the instructions on bottom
of every single message"


Which was, even if accurate, a bit strong.


   and after that with sane people on this list
*no single* repsonse would have been needed in that whole thread



And now you are calling people insane for an incident you caused and
worsened. You really do not realize how rude you are being.


Yes, and thus demonstrating my point.

z!
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Re: [FFmpeg-user] unsubscribe

[Reino Wijnsma]

On 11-4-2019 17:29, Mustafa Al Ani  wrote:
> @FFmpeg user questions , please take an action.

Then someone should also take action against you imo for constantly top-posting 
 and 
thus ignoring the netiquette described here 
.

-- Reino
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Re: [FFmpeg-user] List members behaving badly

[Reindl Harald]

Am 11.04.19 um 20:59 schrieb Kieran O Leary:
> On Thu, 11 Apr 2019, 18:03 Carl Zwanzig,  wrote:
> 
>> On 4/11/2019 9:57 AM, Nicolas George wrote:
>>> No, it is not good to accept it. Reindl Harald is being extremely rude,
>>> he does the exact opposite than he wants other people to do.
>>
>> That usually appears to be the case.
>>
>> On most lists, members behaving badly are put on moderation or simply
>> removed. Perhaps it is time for one of them; if this was one of the lists
>> I
>> host/maintain, Mr Harald would have been placed on moderation after a
>> single
>> warning.
> 
> I agree. I usually see a thread about compilation and think " oh god,reindl
> is going to call the person stupid for not reading the error message"

yeah, error messages are just there to throw them to someone solving
your problems

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Re: [FFmpeg-user] List members behaving badly

[Kieran O Leary]

On Thu, 11 Apr 2019, 18:03 Carl Zwanzig,  wrote:

> On 4/11/2019 9:57 AM, Nicolas George wrote:
> > No, it is not good to accept it. Reindl Harald is being extremely rude,
> > he does the exact opposite than he wants other people to do.
>
> That usually appears to be the case.
>
> On most lists, members behaving badly are put on moderation or simply
> removed. Perhaps it is time for one of them; if this was one of the lists
> I
> host/maintain, Mr Harald would have been placed on moderation after a
> single
> warning.


I agree. I usually see a thread about compilation and think " oh god,reindl
is going to call the person stupid for not reading the error message".
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Re: [FFmpeg-user] List members behaving badly

[Nicolas George]

Reindl Harald (12019-04-11):
> frankly, my first response was "hell you have the instructions on bottom
> of every single message"

The first word was already too much.

>  and after that with sane people on this list
> *no single* repsonse would have been needed in that whole thread

And now you are calling people insane for an incident you caused and
worsened. You really do not realize how rude you are being.

Regards,

-- 
  Nicolas George


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Re: [FFmpeg-user] List members behaving badly

[Reindl Harald]

Am 11.04.19 um 19:03 schrieb Carl Zwanzig:
> On 4/11/2019 9:57 AM, Nicolas George wrote:
>> No, it is not good to accept it. Reindl Harald is being extremely rude,
>> he does the exact opposite than he wants other people to do.
> 
> That usually appears to be the case.
> 
> On most lists, members behaving badly are put on moderation or simply
> removed. Perhaps it is time for one of them; if this was one of the
> lists I host/maintain, Mr Harald would have been placed on moderation
> after a single warning.

frankly, my first response was "hell you have the instructions on bottom
of every single message" and after that with sane people on this list
*no single* repsonse would have been needed in that whole thread
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[FFmpeg-user] List members behaving badly

[Carl Zwanzig]

On 4/11/2019 9:57 AM, Nicolas George wrote:

No, it is not good to accept it. Reindl Harald is being extremely rude,
he does the exact opposite than he wants other people to do.


That usually appears to be the case.

On most lists, members behaving badly are put on moderation or simply 
removed. Perhaps it is time for one of them; if this was one of the lists I 
host/maintain, Mr Harald would have been placed on moderation after a single 
warning.


z!
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Re: [FFmpeg-user] unsubscribe

[Nicolas George]

Ulf Zibis (12019-04-11):
> Even "staff members" in this project seem to do so, see posts in

One "staff member", please. His behaviour is unacceptable and you are
welcome to report him to the list administrator.

> It is good to mention, then accept it and then take a big breathe!

No, it is not good to accept it. Reindl Harald is being extremely rude,
he does the exact opposite than he wants other people to do.

Regards,

-- 
  Nicolas George


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Re: [FFmpeg-user] Unable to identify flicker video

[Bouke / VideoToolShed]

> On 10 Apr 2019, at 12:40, Carl Eugen Hoyos  wrote:
> 
> 2019-04-10 9:04 GMT+02:00, Bouke / VideoToolShed :
> 
>> The OP may be referring to the Harding test.
> 
> This would be ticket #2104 with a link to a possible future
> video filter.
> 

My gut feeling tells me that a custom scene detect setting will do the trick 
just fine.
but a -scene_detect=harding preset would be nice :-)


Bouke

> Carl Eugen
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Re: [FFmpeg-user] unsubscribe

[Ulf Zibis]

Am 09.04.19 um 22:53 schrieb Kieran O Leary:
>
> Please do not be so insulting.
Even "staff members" in this project seem to do so, see posts in
[FFmepg-devel] list from:
- 26.03.19, 18:19 CET
- 28.03.19, 23:18 CET
- 03.04.19, 11:22 CEST

It is good to mention, then accept it and then take a big breathe!

Regards

-Ulf

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Re: [FFmpeg-user] unsubscribe

[Reindl Harald]

Am 11.04.19 um 17:29 schrieb Mustafa Al Ani:
> I'm not surprised by your reply, googling your email answers it all.
> It looks like you have been a source of problems in other mailing lists,
> which made them permanently ban you from those lists.
> I found this in the Fedora project: "Request: ban Harald Reindl from devel@"
> and this in GT(.)net : "Childish actions of Harald Reindl"

first: mind your own business

second: the "Childish actions of Harald Reindl" where a fucker which
forwarded each list message from me again from his personal server to me
back and din't realize that this was specific rejects of this messages
because despite not understanding email he was on a email list

> @FFmpeg user questions , please take an action.


yeah, to all that shitheads which can't stop feed a thread which could
have been ended with my first reply

> On Thu, Apr 11, 2019 at 5:01 PM Reindl Harald 
> wrote:
> 
>>
>>
>> Am 11.04.19 um 16:58 schrieb Dave Stevens:
>>> Please deal with trolls constructively, and do not participate in
>>> trolling. By refraining from doing so you will help make mailing lists
>>> and online forums much more enjoyable venues for discussion.
>>
>> just beause someone points out stupidity makes him not a troll
>>
>> if all that fools instead useless repsonses would have remebered the
>> post in case they unsubscribe later somewhere else or here and avoid the
>> same stupidity everybody would have been fine
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Re: [FFmpeg-user] unsubscribe

[Mustafa Al Ani]

I'm not surprised by your reply, googling your email answers it all.
It looks like you have been a source of problems in other mailing lists,
which made them permanently ban you from those lists.
I found this in the Fedora project: "Request: ban Harald Reindl from devel@"
and this in GT(.)net : "Childish actions of Harald Reindl"

@FFmpeg user questions , please take an action.



On Thu, Apr 11, 2019 at 5:01 PM Reindl Harald 
wrote:

>
>
> Am 11.04.19 um 16:58 schrieb Dave Stevens:
> > Please deal with trolls constructively, and do not participate in
> > trolling. By refraining from doing so you will help make mailing lists
> > and online forums much more enjoyable venues for discussion.
>
> just beause someone points out stupidity makes him not a troll
>
> if all that fools instead useless repsonses would have remebered the
> post in case they unsubscribe later somewhere else or here and avoid the
> same stupidity everybody would have been fine
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Re: [FFmpeg-user] recording video file with 2 video tracks of two live cams

[sekret]

ffmpeg -i "rtsp://$USERNAME:$PASSWORD@192.168.234.34:554" -i 
"rtsp://$USERNAME:$PASSWORD@192.168.234.33:554" -map 0:0 -map 1:0 -map 0:1 -c copy "$(date 
+%Y%m%d%H%M%S)".mkv


Complete, uncut console output missing.


Here's the complete output: https://pastebin.com/Y1ZuMJ2L (run on the Windows 
10 machine, where it's supposed to be running once it's perfected)

I've added the options -re and -thread_queue_size 1024 to my first commandline. 
However the problem of videos out of sync remains, so it's not caused by 
buffering problems etc. The warnings about circular_buffer_size not being 
supported don't do any harm, right?


I think the difference comes from which stream connects first and starts 
receiving packets first, since there’s no reference time to sync both streams 
to.

Many (most?) devices of this kind also transmit the absolute timestamps 
separately from the video stream, so if you have the system time synchronized 
on both cameras, perhaps using ntp, maybe it would be possible to use this 
information to sync the two streams up but i don’t know if it is possible to do 
this automatically using ffmpeg alone.


I'm also pretty sure that this is the reason. Is it perhapt possible to tell 
ffmpeg to handle both inputs equally, so both start at the same time?

I kinda like the idea of syncing them based on the system time, which, in case 
it works, should be in sync well enough for this purpose. But I fear 
implementing this is over my head. Still, I'll keep this in mind in case 
nothing else works, so Ted, thanks a lot for this idea!

Since I'll run this command by a bat file on this Windows machine (it's 
supposed to be idiot proof unfortunately), a workaround could be to re-merge 
the video with mkvmerge and then just delay the second video track. I don't 
really like this idea all too much, since the length of this delay could e.g. 
depend on the cpu load when the commandline gets executed.


Hope you guys have even better ideas than me, being kind of an ffmpeg noob to 
be honest...


Thanks a lot so far!
sekret
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Re: [FFmpeg-user] unsubscribe

[Reindl Harald]

Am 11.04.19 um 16:58 schrieb Dave Stevens:
> Please deal with trolls constructively, and do not participate in
> trolling. By refraining from doing so you will help make mailing lists
> and online forums much more enjoyable venues for discussion.

just beause someone points out stupidity makes him not a troll

if all that fools instead useless repsonses would have remebered the
post in case they unsubscribe later somewhere else or here and avoid the
same stupidity everybody would have been fine
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Re: [FFmpeg-user] unsubscribe

[Dave Stevens]

On Thu, 11 Apr 2019 16:51:27 +0200
Mustafa Al Ani  wrote:

> I can't really understand your problem *Reindl Harald*, why do you
> respond to people like this?

In email discussion lists, online forums, and Usenet newsgroups, a troll is not 
a grumpy monster that lives beneath a bridge accosting passers-by, but rather a 
provocative posting intended to produce a large volume of frivolous responses. 
The term can also refer to someone making such a posting ("a troll") or to the 
action ("trolling", "to troll").

The content of a troll posting generally falls into one of several categories. 
It may consist of an apparently foolish contradiction of common knowledge, a 
deliberately offensive insult to the readers of a newsgroup or mailing list, or 
a broad request for trivial follow-up postings. The result of such postings is 
frequently a flood of angry responses. In some cases, the follow-up messages 
posted in response to a troll can constitute a large fraction of the contents 
of a newsgroup or mailing list for as long as several weeks. These messages are 
transmitted around the world to thousands of computers, wasting network 
resources and costing money for people who pay to download email or receive 
Usenet news. Troll threads also frustrate people who are trying to carry on 
substantive discussions.

People post such messages to get attention, to disrupt discussion, and to make 
trouble. The best response to a troll is no response. If you post a follow-up 
message, you are contributing to the resulting clamor and most likely 
delighting the troller. Before posting a response, consider the following 
questions:

Have responses already been posted by others?
Will my post add any information that others are not likely to be aware of 
already?
Is the issue resolvable, or will discussion turn into name-calling?
Should I send private email instead of posting publicly?
Will I later regret the contents of what I am posting? 

Please deal with trolls constructively, and do not participate in
trolling. By refraining from doing so you will help make mailing lists
and online forums much more enjoyable venues for discussion.
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Re: [FFmpeg-user] unsubscribe

[Reindl Harald]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256



Am 11.04.19 um 16:51 schrieb Mustafa Al Ani:
> I can't really understand your problem *Reindl Harald*, why do you
> respond to people like this? This is a mailing list where we find
> solutions to our technical problems with love and respect. If you
> have a useful answer/solution, It would be very nice of you to
> reply to people, but always remember to respect them in your
> response and if you don't want to show respect it is fine, but
> don't be rude or insult people. Being smart doesn't prevent you
> from being respectful, and being "stupid" doesn't make you
> disrespectable. If you have a problem being respectful, with all
> due respect, I advise you to unsubscribe using the way you prefer

and i advise you to shut up instead warm up a thread which is done for
1.5 days
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Re: [FFmpeg-user] unsubscribe

[Mustafa Al Ani]

I can't really understand your problem *Reindl Harald*, why do you respond
to people like this?
This is a mailing list where we find solutions to our technical problems
with love and respect.
If you have a useful answer/solution, It would be very nice of you to reply
to people, but always remember to respect them in your response and if you
don't want to show respect it is fine, but don't be rude or insult people.
Being smart doesn't prevent you from being respectful, and being "stupid"
doesn't make you disrespectable.
If you have a problem being respectful, with all due respect, I advise you
to unsubscribe using the way you prefer.

Regards,
Mustafa

On Wed, Apr 10, 2019 at 2:32 PM Reindl Harald 
wrote:

> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA256
>
>
>
> Am 10.04.19 um 13:42 schrieb Carlos E. R.:
> > On 10/04/2019 13.01, Reindl Harald wrote:
> >> it is insane type the address at all instead just click on it in
> >> the list-footer, copy "unsubscribe" in the subejct and
> >> press send
> >
> > No. Errors are human. Your behaviour is not adequate. Trying to
> > justify it makes it worse. The OP apologized. You should do the
> > same and move on.
> >
> > I could mention your spelling errors, for instance, but I will
> > not.
>
> until now fools like you did make a lot of more noise than everything
> else, there is no excuse for not be capable click on a simple link in
> a mail-client and i wonder how this guys managed to subscribe at all
> and why they don't read and store welcome messages
>
> and there is common sense that it's idiotic send multiple unscubscribe
> requests to the list address spread to 1000, 1 or 10 users
> which hopefully can't unsubscribe random other susbcribers
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Re: [FFmpeg-user] Efficiently doing thousands of edits?

[DopeLabs]

cropping out the problem quarter to a separate file seems like it could be 
faster... less pixels to black detect.

if you know the start and stop times/frames, and also keep in mind that:

OPTIONS FOR FILTERS WITH SEVERAL INPUTS
   Some filters with several inputs support a common set of options.  These 
options can only be set by name, not with the short notation.

   eof_action
   The action to take when EOF is encountered on the secondary input; 
it accepts one of the following values:

   repeat
   Repeat the last frame (the default).

   endall
   End both streams.

   pass
   Pass the main input through.

   shortest
   If set to 1, force the output to terminate when the shortest input 
terminates. Default value is 0.

   repeatlast
   If set to 1, force the filter to extend the last frame of secondary 
streams until the end of the primary stream. A value of 0 disables this 
behavior.  Default value is 1.

setting eof_action=repeat might just do what your looking for... 

though it would be nice to know which filters 'some filters' are...

also the tpad filter looks like it would be a good contender as well..

you can pad either before or after the input stream, and use the clone mode 
which would be clones of the first or last frame respectively.

 
tbh, after seeing the yt video, i personally would probably just overlay the 
bottom left with solid black once it starts to flicker as i, for the most part, 
consider that unwatchable anyways =]

if this is an ongoing problem, maybe its time for a new camera? =]

cheers,

DL

> On Apr 11, 2019, at 3:01 28AM, Bouke  wrote:
> 
> 
> 
>> On 11 Apr 2019, at 04:44, John Hawkinson  wrote:
>> 
>> Michael Shaffer  wrote on Wed, 10 Apr 2019
>> at 19:40:36 -0400 in 
>> :
>> 
>>> I'm pretty sure you could use Python and OpenCV to create a solution..
>> 
>> "Just because you can, doesn't mean you should."
>> 
>> My original post explained how to determine where the runs of black are, 
>> using ffmpeg (libavfilter)'s "blackdetect." The only piece left is applying 
>> the edits in a practical fashion.
>> 
>> Rolling your own with opencv would be a whole lot more work. I'm not 
>> entirely sure that I agree with Carl Eugen that ffmpeg isn't a video editing 
>> tool, but if it's not, Python certainly isn't. Yes, you can make it work. 
>> But you're going to spend a lot more time doing it than if higher level 
>> tools were used.
>> 
>> The goal here is for higher-level tools, not lower-level ones.
>> 
>> Or I might just end up using ffmpeg to split it into 7,000 files and then 
>> concatenating them. That's hardly the worst thing in the world.
> 
> Why split and cat? You are not doing editing, you want to mask (little) 
> pieces, not shorten / extend / reshuffle, right?
> If you have all the in/out point, why not do a (png or alike) overlay on 
> those points?
> Or, a subtitle overlay with a strange custom font (one big black rectangle 
> char).
> 
> Bouke
> 
> 
>> --
>> jh...@alum.mit.edu
>> John Hawkinson
>> ___
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Re: [FFmpeg-user] Efficiently doing thousands of edits?

[Bouke]

> On 11 Apr 2019, at 04:44, John Hawkinson  wrote:
> 
> Michael Shaffer  wrote on Wed, 10 Apr 2019
> at 19:40:36 -0400 in 
> :
> 
>> I'm pretty sure you could use Python and OpenCV to create a solution..
> 
> "Just because you can, doesn't mean you should."
> 
> My original post explained how to determine where the runs of black are, 
> using ffmpeg (libavfilter)'s "blackdetect." The only piece left is applying 
> the edits in a practical fashion.
> 
> Rolling your own with opencv would be a whole lot more work. I'm not entirely 
> sure that I agree with Carl Eugen that ffmpeg isn't a video editing tool, but 
> if it's not, Python certainly isn't. Yes, you can make it work. But you're 
> going to spend a lot more time doing it than if higher level tools were used.
> 
> The goal here is for higher-level tools, not lower-level ones.
> 
> Or I might just end up using ffmpeg to split it into 7,000 files and then 
> concatenating them. That's hardly the worst thing in the world.

Why split and cat? You are not doing editing, you want to mask (little) pieces, 
not shorten / extend / reshuffle, right?
If you have all the in/out point, why not do a (png or alike) overlay on those 
points?
Or, a subtitle overlay with a strange custom font (one big black rectangle 
char).

Bouke


> --
> jh...@alum.mit.edu
> John Hawkinson
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