Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Reindl Harald



Am 26.01.21 um 01:30 schrieb Paul B Mahol:

Yes, we need to use only corporate code


muhahaha and that will solve exactly what?
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Mark Filipak (ffmpeg)

On 01/25/2021 08:51 PM, Jim DeLaHunt wrote:

On 2021-01-25 16:30, Paul B Mahol wrote:


On Tue, Jan 26, 2021 at 1:18 AM Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

… When you have people who
are determined to treat others with contempt and hostility as a matter of
course, who reject even the most well-meaning offers of help with the most
pressing issues, who almost seem to make a science out of deliberate,
studied unpleasantness, something strange is going on.
More than annoying, it's weird. I've never once in my life encountered
anything like this. It's completely unnecessary, completely
self-destructive, and appears to gain nothing for anyone.

Yes, we need to use only corporate code.


Come on, Paul, that is a silly reply. You are saying that the only alternative to FFmpeg's present 
situation is to use corporate code (proprietary licences)? That claim is not logical: there is no 
reason why use of a free software licence requires project insiders to be hostile and destructive to 
each other, or to their users. And it is disproved by evidence: there are many free software 
projects where the insiders behave more kindly and constructively, my favourite example being Python.


Taken on its face, your reply seems to show a belief that no better culture is even possible for the 
FFmpeg project. That attitude is itself "completely unnecessary, completely self-destructive, and 
appears to gain nothing for anyone."


Really, Jim, you're not helping. You would be well served by not making assumptions. What if Paul is 
actually being helpful, that in his eyes, his comments are cogent.


How would you feel if someone second guessed what you wrote? I know you think you are careful when 
crafting replies (and I think so, too) but Paul thinks he's being careful, too. You can't assume 
that he has malice at heart. I mean, give him space to explain the cryptic things he writes. English 
is not his first language.



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I'm sure of it.
And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Mark Filipak (ffmpeg)

On 01/25/2021 07:30 PM, Paul B Mahol wrote:

On Tue, Jan 26, 2021 at 1:18 AM Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:


  On Monday, 25 January 2021, 22:34:35 GMT, Mark Filipak (ffmpeg) <
markfili...@bog.us> wrote:


Your comments, Leo, are quite correct. However, there is no F*ing

Manual. There is only man-style

documentation that supplies usage reminders to those who are already

familiar with ffmpeg and its > usage, but that doesn't help newcomers. I
wish the reality was different, and I've volunteered to > help with
documentation, but the developers have rebuffed me and everyone else who
has similarly > volunteered.
Very much so. I may be one of the volunteers Mark is referring to.
In the end it's a very long term problem that exists with a lot of open
source projects and I don't see a solution to it. When you have people who
are determined to treat others with contempt and hostility as a matter of
course, who reject even the most well-meaning offers of help with the most
pressing issues, who almost seem to make a science out of deliberate,
studied unpleasantness, something strange is going on.
More than annoying, it's weird. I've never once in my life encountered
anything like this. It's completely unnecessary, completely
self-destructive, and appears to gain nothing for anyone.



Yes, we need to use only corporate code.


What does that mean, Paul?


--
Someone's sneaking in and turning up the range so that my food burns.
I'm sure of it.
And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Jim DeLaHunt

On 2021-01-25 16:30, Paul B Mahol wrote:


On Tue, Jan 26, 2021 at 1:18 AM Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

… When you have people who
are determined to treat others with contempt and hostility as a matter of
course, who reject even the most well-meaning offers of help with the most
pressing issues, who almost seem to make a science out of deliberate,
studied unpleasantness, something strange is going on.
More than annoying, it's weird. I've never once in my life encountered
anything like this. It's completely unnecessary, completely
self-destructive, and appears to gain nothing for anyone.

Yes, we need to use only corporate code.


Come on, Paul, that is a silly reply. You are saying that the only 
alternative to FFmpeg's present situation is to use corporate code 
(proprietary licences)? That claim is not logical: there is no reason 
why use of a free software licence requires project insiders to be 
hostile and destructive to each other, or to their users. And it is 
disproved by evidence: there are many free software projects where the 
insiders behave more kindly and constructively, my favourite example 
being Python.


Taken on its face, your reply seems to show a belief that no better 
culture is even possible for the FFmpeg project. That attitude is itself 
"completely unnecessary, completely self-destructive, and appears to 
gain nothing for anyone."



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Re: [FFmpeg-user] (no subject)

2021-01-25 Thread Mark Filipak (ffmpeg)

On 01/25/2021 07:09 PM, owen s wrote:

I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?


With no guide to report formats you are understandably misinterpreting what ffmpeg is trying to tell 
you.
The "speed=1.79x" means that the encoder time was 1.79x the running time. In other words, it took 
less time to encode than to play the video. To see the video's playback speed, look for lines that 
look like this:

Output #0, matroska, to ...:
  Metadata:
encoder : Lavf58.65.100
Stream #0:0, 0, 1/1000: Video: hevc, yuv420p(tv, progressive), 720x240 [SAR 8:9 DAR 8:3], 
q=2-31, 59.94 fps, 1k tbn



--
Someone's sneaking in and turning up the range so that my food burns.
I'm sure of it.
And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Paul B Mahol
On Tue, Jan 26, 2021 at 1:18 AM Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

>  On Monday, 25 January 2021, 22:34:35 GMT, Mark Filipak (ffmpeg) <
> markfili...@bog.us> wrote:
>
> > Your comments, Leo, are quite correct. However, there is no F*ing
> Manual. There is only man-style
> > documentation that supplies usage reminders to those who are already
> familiar with ffmpeg and its > usage, but that doesn't help newcomers. I
> wish the reality was different, and I've volunteered to > help with
> documentation, but the developers have rebuffed me and everyone else who
> has similarly > volunteered.
> Very much so. I may be one of the volunteers Mark is referring to.
> In the end it's a very long term problem that exists with a lot of open
> source projects and I don't see a solution to it. When you have people who
> are determined to treat others with contempt and hostility as a matter of
> course, who reject even the most well-meaning offers of help with the most
> pressing issues, who almost seem to make a science out of deliberate,
> studied unpleasantness, something strange is going on.
> More than annoying, it's weird. I've never once in my life encountered
> anything like this. It's completely unnecessary, completely
> self-destructive, and appears to gain nothing for anyone.
>

Yes, we need to use only corporate code.


> P
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Phil Rhodes via ffmpeg-user
 On Monday, 25 January 2021, 22:34:35 GMT, Mark Filipak (ffmpeg) 
 wrote:
 
> Your comments, Leo, are quite correct. However, there is no F*ing Manual. 
> There is only man-style 
> documentation that supplies usage reminders to those who are already familiar 
> with ffmpeg and its > usage, but that doesn't help newcomers. I wish the 
> reality was different, and I've volunteered to > help with documentation, but 
> the developers have rebuffed me and everyone else who has similarly > 
> volunteered.
Very much so. I may be one of the volunteers Mark is referring to.
In the end it's a very long term problem that exists with a lot of open source 
projects and I don't see a solution to it. When you have people who are 
determined to treat others with contempt and hostility as a matter of course, 
who reject even the most well-meaning offers of help with the most pressing 
issues, who almost seem to make a science out of deliberate, studied 
unpleasantness, something strange is going on. 
More than annoying, it's weird. I've never once in my life encountered anything 
like this. It's completely unnecessary, completely self-destructive, and 
appears to gain nothing for anyone.
P  
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[FFmpeg-user] (no subject)

2021-01-25 Thread owen s
I am running this command

ffmpeg-git -y \
-vaapi_device /dev/dri/renderD128 \
-framerate 60 -i ./image.jpg \
-stream_loop -1 -i ./audio.mp3 \
-map 0:v \
-c:v h264_vaapi \
-vf
'crop=2560:1440:0:0,format=nv12|vaapi,hwupload,loop=loop=-1:size=1:start=0,hwdownload,format=yuv420p'
\
-rc_mode 2 -b:v 20M \
-c:v libx264 \
-map 1:a \
-c:a libfdk_aac -b:a 128k -ar 44100 -ac 2 \
-af "dynaudnorm=f=150:g=15" \
-f flv /dev/null

the encoding speed is very fast, typically 1.78x

frame=2512127 fps=107 q=0.0 size=56457493kB time=11:37:47.36
bitrate=11046.8kbits/s speed=1.79x

Is there any way to limit this speed to a standard 1x?
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Re: [FFmpeg-user] Slide show with vfr

2021-01-25 Thread Mark Filipak (ffmpeg)

On 01/25/2021 06:09 AM, Wolfgang Hugemann wrote:

Express duration in seconds
Repeat the last image as per
https://trac.ffmpeg.org/wiki/Slideshow#Concatdemuxer


Thanks for this hint. This really works and -vsync vfr seems to be
necessary for mp4. (For mkv it works without that.)

It works as well if you provide the durations in milliseconds, but there
seems to be a problem with short durations, which are not reproduced
exactly. So one should rather use durations larger than one second, as
in the cited example.

I now successfully produced a vfr mp4 with ffmpeg. Indeed, some
applications as VLC do not handle the timestamps correctly, but AVidemux
and ffplay do. Plus the vfr is preserved when the slide show is
processed with ffmpeg (using -vsync vfr).

Possibly, the relatively short durations in my original video are the
reason for the problems with the original video, as there seem to be
rounding errors.

Wolfgang Hugemann


I have not been following this thread as it doesn't interest me or apply to my use cases, however, 
regarding PTS variations, I've often found that simply remuxing an existing stream via MKVToolNix 
has fixed the time stamps so that all players play videos correctly. Bonus: The result is usually 
slightly smaller and MKVToolNix is very quick. I don't know what MKVToolNix is doing, but it's 
brilliant.


--
Someone's sneaking in and turning up the range so that my food burns.
I'm sure of it.
And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Mark Filipak (ffmpeg)

On 01/25/2021 03:58 PM, Leo Butler via ffmpeg-user wrote:

"Sergey \"GrayFace\" Rozhenko via ffmpeg-user" 
writes:


Hello.

I've met a childish person with nickname "cehoyos" that made it his
goal to block a bug report I've filed.


Please do not use such derogatory characterizations. You are insulting
someone who is giving his time without cost to you. I won't reduce
myself to name-calling, but there are many unkind words to describe such
behaviour.



At first he tried to make up excuses for doing so, then ran out of
them and just starting setting bug status to "invalid" with no
reasoning.

Here is the bug in question: https://trac.ffmpeg.org/ticket/9074


In my experience, several developers of ffmpeg are brusque, but
invariable correct. If you find their reply(ies) terse, it is almost
certainly because you do not understand something and they have expected
you to RTFM.

I would characterize your "bug" report as one of those cases. Learn from
your experience, drop the grudge, move on and show some respect for
these people.

Leo


Your comments, Leo, are quite correct. However, there is no F*ing Manual. There is only man-style 
documentation that supplies usage reminders to those who are already familiar with ffmpeg and its 
usage, but that doesn't help newcomers. I wish the reality was different, and I've volunteered to 
help with documentation, but the developers have rebuffed me and everyone else who has similarly 
volunteered. It's their project and they make its policy. Still, I can only dream of what it could be.


--
Someone's sneaking in and turning up the range so that my food burns.
I'm sure of it.
And the older I get, the more sure of it I become.
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Re: [FFmpeg-user] Troublemaker in bugtracker

2021-01-25 Thread Leo Butler via ffmpeg-user
"Sergey \"GrayFace\" Rozhenko via ffmpeg-user" 
writes:

> Hello.
>
> I've met a childish person with nickname "cehoyos" that made it his
> goal to block a bug report I've filed.

Please do not use such derogatory characterizations. You are insulting
someone who is giving his time without cost to you. I won't reduce
myself to name-calling, but there are many unkind words to describe such
behaviour.

>
> At first he tried to make up excuses for doing so, then ran out of
> them and just starting setting bug status to "invalid" with no
> reasoning.
>
> Here is the bug in question: https://trac.ffmpeg.org/ticket/9074

In my experience, several developers of ffmpeg are brusque, but
invariable correct. If you find their reply(ies) terse, it is almost
certainly because you do not understand something and they have expected
you to RTFM.

I would characterize your "bug" report as one of those cases. Learn from
your experience, drop the grudge, move on and show some respect for
these people.

Leo
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Jim DeLaHunt

On 2021-01-25 06:41, Paul B Mahol wrote:


You are very ignorant of mentioned demuxer options in documentation.


+1. You've got to be kidding.
Paul, you are coming off as unbelievably unpleasant. I too am trying to 
help you. Please, please, moderate your tone.


And, please recognise that a lot of FFmpeg's documentation isn't very 
good at explaining FFmpeg to users who haven't read the code.


    —Jim DeLaHunt

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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Carl Zwanzig

On 1/25/2021 6:49 AM, Paul B Mahol wrote:

You should be immediately banned from this list.


Oh no, not this again. Banned for what?

Paul, please re-read the Code of Conduct (I did, yesterday, when I posted it 
to the list).


z!
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Paul B Mahol
On Mon, Jan 25, 2021 at 3:45 PM Phil Rhodes via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

>  On Monday, 25 January 2021, 14:41:36 GMT, Paul B Mahol 
> wrote:
>
> > You are very ignorant of mentioned demuxer options in documentation.
> You've got to be kidding.
> Paul, you are coming off as unbelievably unpleasant. Again, I'm trying to
> help you. Please, please, moderate your tone.
>

You should be immediately banned from this list.


> P
>
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Phil Rhodes via ffmpeg-user
 On Monday, 25 January 2021, 14:41:36 GMT, Paul B Mahol  
wrote:
 
> You are very ignorant of mentioned demuxer options in documentation.
You've got to be kidding.
Paul, you are coming off as unbelievably unpleasant. Again, I'm trying to help 
you. Please, please, moderate your tone.
P
  
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Paul B Mahol
On Mon, Jan 25, 2021 at 3:12 PM Dave Thorn  wrote:

> On Mon, Jan 25, 2021 at 11:29:39AM +0100, Paul B Mahol wrote:
> > On Mon, Jan 25, 2021 at 10:21 AM Dave Thorn via ffmpeg-user <
> ffmpeg-user@ffmpeg.org> wrote:
> []
> > > Anyone know anything about this, please, or will I have to avoid
> > > APNGs?
> > >
> > >
> > Next time read documentation before you write something:
> >
> > http://ffmpeg.org/ffmpeg-formats.html#apng
>
> I hate to be the thickie, but does that explain why it doesn't loop?
> The acTL is before the fcTL so that means it is "transmitted as
> extradata"?  What does that mean to me-the-user?
>

You are very ignorant of mentioned demuxer options in documentation.


>
> Cheers,
>
> --
> dave thorn
>
> DBT; GBP.
>
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Dave Thorn via ffmpeg-user
On Mon, Jan 25, 2021 at 11:29:39AM +0100, Paul B Mahol wrote:
> On Mon, Jan 25, 2021 at 10:21 AM Dave Thorn via ffmpeg-user 
>  wrote:
[]
> > Anyone know anything about this, please, or will I have to avoid
> > APNGs?
> >
> >
> Next time read documentation before you write something:
> 
> http://ffmpeg.org/ffmpeg-formats.html#apng

I hate to be the thickie, but does that explain why it doesn't loop?
The acTL is before the fcTL so that means it is "transmitted as
extradata"?  What does that mean to me-the-user?

Cheers,

-- 
dave thorn

DBT; GBP.
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Re: [FFmpeg-user] Slide show with vfr

2021-01-25 Thread Carl Eugen Hoyos
Am Mo., 25. Jan. 2021 um 12:10 Uhr schrieb Wolfgang Hugemann :

> I now successfully produced a vfr mp4 with ffmpeg.

The author of the relevant code - Baptiste - claims that such
files are not valid / do not conform to any specification.

Carl Eugen
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Re: [FFmpeg-user] Slide show with vfr

2021-01-25 Thread Wolfgang Hugemann
> Express duration in seconds
> Repeat the last image as per 
> https://trac.ffmpeg.org/wiki/Slideshow#Concatdemuxer

Thanks for this hint. This really works and -vsync vfr seems to be
necessary for mp4. (For mkv it works without that.)

It works as well if you provide the durations in milliseconds, but there
seems to be a problem with short durations, which are not reproduced
exactly. So one should rather use durations larger than one second, as
in the cited example.

I now successfully produced a vfr mp4 with ffmpeg. Indeed, some
applications as VLC do not handle the timestamps correctly, but AVidemux
and ffplay do. Plus the vfr is preserved when the slide show is
processed with ffmpeg (using -vsync vfr).

Possibly, the relatively short durations in my original video are the
reason for the problems with the original video, as there seem to be
rounding errors.

Wolfgang Hugemann
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Re: [FFmpeg-user] Keep vfr and original pts

2021-01-25 Thread Wolfgang Hugemann
> Why do you believe the result is CFR, or rather different than the source?

I checked that with a couple of different programs (MediaInfo, AVIdemux
and ffmpeg). It may not be a general problem, as the slide show example
as suggested by pdr0 (see my answer to that) works if you specify -vsync
vfr (as in his example).

Wolfgang Hugemann
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Paul B Mahol
On Mon, Jan 25, 2021 at 10:21 AM Dave Thorn via ffmpeg-user <
ffmpeg-user@ffmpeg.org> wrote:

>
> On Mon, Jan 11, 2021 at 08:08:03AM +, Dave Thorn via ffmpeg-user wrote:
> > Yeah, sorry.  Stuck on Windows at the moment and I was anticipating
> > difficulty updating, but it was fine.
> >
> > Same behaviour in this version:
>
> [snip]
>
> Anyone know anything about this, please, or will I have to avoid
> APNGs?
>
>
Next time read documentation before you write something:

http://ffmpeg.org/ffmpeg-formats.html#apng


> Thanks,
>
>
> --
> dave thorn
>
> Bad to the bone.
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Re: [FFmpeg-user] overlaying animated PNG, doesn't loop

2021-01-25 Thread Dave Thorn via ffmpeg-user

On Mon, Jan 11, 2021 at 08:08:03AM +, Dave Thorn via ffmpeg-user wrote:
> Yeah, sorry.  Stuck on Windows at the moment and I was anticipating
> difficulty updating, but it was fine.
> 
> Same behaviour in this version:

[snip]

Anyone know anything about this, please, or will I have to avoid
APNGs?

Thanks,


-- 
dave thorn

Bad to the bone.
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