On 8/24/18, Shaji stellaton wrote:
> Hello,
>
> I want to report a functionality regression.
>
> In version 3.3.2 remap filter gives out colored output for yuv420p but in
> katest version ut gives out black and white for yuv420p.
>
> The command used in both versions is:
>
> ffmpeg -y -stream_loop
Hello,
I want to report a functionality regression.
In version 3.3.2 remap filter gives out colored output for yuv420p but in
katest version ut gives out black and white for yuv420p.
The command used in both versions is:
ffmpeg -y -stream_loop -1 -i silence.mp3 -r 30 -i
rtmp://172.104.245.86/
2018-08-24 17:26 GMT+02:00, Shaji stellaton :
> So, I believe I will have to revert to version 3.3.2
Please provide at least command line and complete, uncut console
output for current FFmpeg git head and 3.3.2 if you want to report
a speed regression.
Carl Eugen
Hello
So, I believe I will have to revert to version 3.3.2
Can we force the filter to speed up? I observe that the remap filter is just
using one core to 100% and all the other cores are free. I tried 'threads 16'
and 'filter_complex_threads 16' Options but it did not make any difference.
Than
On 8/24/18, Shaji wrote:
> Hello,
>
> I am using the latest ffmpeg version. I am facing the same issue as
> discussed in the thread:
>
> https://ffmpeg.org/pipermail/ffmpeg-user/2017-November/037971.html
>
> That is remapping produce black and white output. If I use the workaround of
> using the f
Hello,
I am using the latest ffmpeg version. I am facing the same issue as discussed
in the thread:
https://ffmpeg.org/pipermail/ffmpeg-user/2017-November/037971.html
That is remapping produce black and white output. If I use the workaround of
using the format conversion then the processing s
2017-11-22 9:47 GMT+01:00 Paul B Mahol :
> On 11/22/17, Carl Eugen Hoyos wrote:
>> 2017-11-22 1:17 GMT+01:00 Michael Koch :
Do you see the same behaviour with current FFmpeg git head?
>>>
>>> sorry, I can't compile ffmpeg myself, that's too difficult for me.
>>
>> That should not be necessary
I also tested the fisheye_grid_xmap.pgm and fisheye_grid_ymap.pgm files
which can be downloaded from the Wiki page:
https://trac.ffmpeg.org/wiki/RemapFilter
Same problem, the output is black and white. So I think it's not a
problem of my own map files.
Michael
F:\xxx\xxx>c:/ffmpeg/ffmpeg -i
> That should not be necessary, assuming you are not on aixor sparc64.
Is something wrong with the Zeranoe builds?
The latest version from Zeranoe (downloaded today) has the same problem, black
and white output if used without the format filter.
F:\xxx\xxx>c:/ffmpeg/ffmpeg -i in.mp4 -i xmap_10
On 11/22/17, Carl Eugen Hoyos wrote:
> 2017-11-22 1:17 GMT+01:00 Michael Koch :
>>> Do you see the same behaviour with current FFmpeg git head?
>>
>> sorry, I can't compile ffmpeg myself, that's too difficult for me.
>
> That should not be necessary, assuming you are not on aix
> or sparc64. Is so
2017-11-22 0:58 GMT+01:00 Michael Koch :
>> Can you provide them?
>
> "identity" maps for size 1000x1000
> http://www.astro-electronic.de/xmap_1000.pgm
> http://www.astro-electronic.de/ymap_1000.pgm
The xmap file is unfortunately broken which is
the reason I cannot reproduce:
$ md5sum xmap_1000.p
2017-11-22 1:17 GMT+01:00 Michael Koch :
>> Do you see the same behaviour with current FFmpeg git head?
>
> sorry, I can't compile ffmpeg myself, that's too difficult for me.
That should not be necessary, assuming you are not on aix
or sparc64. Is something wrong with the Zeranoe builds?
The reas
Do you see the same behaviour with current FFmpeg git head?
sorry, I can't compile ffmpeg myself, that's too difficult for me.
Michael
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2017-11-21 23:44 GMT+01:00 Michael Koch :
> F:\xxx\xxx>c:/ffmpeg/ffmpeg -i in.mp4 -i xmap_1000.pgm
> -i ymap_1000.pgm -lavfi remap -c:v mpeg4 -q:v 2 -y out.mp4
> ffmpeg version N-88555-g6ea7711532 Copyright (c) 2000-2017 the FFmpeg
> developers
Do you see the same behaviour with current FFmpeg g
> Can you provide them?
"identity" maps for size 1000x1000
http://www.astro-electronic.de/xmap_1000.pgm
http://www.astro-electronic.de/ymap_1000.pgm
Michael
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2017-11-22 0:49 GMT+01:00 Michael Koch :
>> Workaround is probably to use the format filter.
>
> yes, that works.
>
> -lavfi "format=pix_fmts=rgb24,remap"
Of course.
The idea of this mailing list though is that we
not only fix this bug for you but also for other
users, so if you can provide me wi
> Workaround is probably to use the format filter.
yes, that works.
-lavfi "format=pix_fmts=rgb24,remap"
Thanks,
Michael
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2017-11-22 0:41 GMT+01:00 Michael Koch :
>> Sounds like a bug: Do you have pgm files that provide "identity" output?
>
> I did just make these files with my C# program.
Can you provide them?
Carl Eugen
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Sounds like a bug: Do you have pgm files that provide "identity" output?
I did just make these files with my C# program.
The output video is a black and white copy of the input.
Michael
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2017-11-21 23:44 GMT+01:00 Michael Koch :
> I've written a C# program to create my own xmap and ymap files for
> the remap filter.
> The geometric distortion in the output video looks as expected. But
> why is the output only black and white?
Sounds like a bug: Do you have pgm files that provide "
I've written a C# program to create my own xmap and ymap files for the
remap filter.
The geometric distortion in the output video looks as expected. But why
is the output only black and white?
I've tested two different input videos with the same result. No colors
in the output.
The console outp
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