sue with ffmpeg or ffprobe, and simply a
corrupted video whose file implies there is 26 minutes of video, when there
is only 8 minutes.
Thanks,
Jon
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I have a video that is supposedly not VFR (ffmpeg vfrdet command and output
pasted at the very bottom), but the number of extracted frames, or
frame count with ffprobe, doesn't match what would be expected based on
frame rate and duration by a large margin (off by a factor of nearly 3x).
Please not
Hi,
> Please test current FFmpeg git head, the only version supported here
git head also shows the same problem:
$ ./ffmpeg.exe -loglevel debug -y -i C:/Users/jcook/Desktop/sample.avi -c:v
mjpeg_qsv output.mp4
ffmpeg version N-95883-ga2fbdc6898 Copyright (c) 2000-2019 the FFmpeg
developers
b
Hi,
Thanks for your reply. The full output, with debug log level, is below.
Regards,
Jon
ffmpeg.exe -loglevel debug -y -i C:/Users/jcook/Desktop/sample.avi -c:v
mjpeg_qsv output.mp4
ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
built with gcc 9.1.1 (GCC) 20190807
qsv brings. If I use Intel's Media SDK
directly I can encode using hardware accelerated mjpeg.
Any suggestions on what may be causing the problem gratefully received,
Jon
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A bit more information on this issue, after created the concatenated file
with the following commands [1] and [2], pasted at bottom, if I
print pkt_pts_time via ffprobe with commands [3] and [4], I see that the
timestamp of frame 302 is what is throwing things off when I compare the
two list of fra
frames_04069.jpg differ
Binary files video1/frames_04070.jpg and video2/frames_04070.jpg differ
Binary files video1/frames_04071.jpg and video2/frames_04071.jpg differ
Only in video2/: frames_04074.jpg
Only in video2/: frames_04075.jpg
Only in video2/: frames_04076.jpg
On Thu, Oct 31, 2019 a
s are inserted at the beginning of different chunks. There are 14
chunks in all, so it isn't an extra frame at each chunk, as there are only
three extra frames in the concatenated file.
Thanks again,
Jon
On Thu, Oct 31, 2019 at 1:22 PM Jon Beyer wrote:
> Thanks Carl, here is the ful
I'm trying to understand the basics of splitting a file on I frames and
then concatenating the smaller files back together. I am using the
commands below to split a basic .mp4 file with the "-f segment" option, and
then I use "-f concat" to join them. I then extract all frames from the
file as .j
Am Mo., 13. Mai 2019 um 15:29 Uhr schrieb Carl Eugen Hoyos <
ceffm...@gmail.com>:
> Am Mo., 13. Mai 2019 um 15:05 Uhr schrieb Jon bae :
> >
> > Am Mo., 13. Mai 2019 um 14:34 Uhr schrieb Carl Eugen Hoyos <
> > ceffm...@gmail.com>:
> >
> > > Am Mo.
Am Mo., 13. Mai 2019 um 14:34 Uhr schrieb Carl Eugen Hoyos <
ceffm...@gmail.com>:
> Am Mo., 13. Mai 2019 um 14:31 Uhr schrieb Michael Koch
> :
>
> > > Or the fps filter.
> > > This filter and the r option have different algorithms that have
> > > advantages (and disadvantages) in different situati
Am Mo., 13. Mai 2019 um 14:09 Uhr schrieb Carl Eugen Hoyos <
ceffm...@gmail.com>:
> Am Mo., 13. Mai 2019 um 14:03 Uhr schrieb Jon bae :
> >
> > Am Mo., 13. Mai 2019 um 13:41 Uhr schrieb Paul B Mahol >:
> >
> > > On 5/13/19, Carl Eugen Hoyos wrote:
&g
Am Mo., 13. Mai 2019 um 13:41 Uhr schrieb Paul B Mahol :
> On 5/13/19, Carl Eugen Hoyos wrote:
> > Am Mo., 13. Mai 2019 um 13:25 Uhr schrieb Jon bae :
> >>
> >> Hello everybody,
> >> I have videos with 23.97 fps and I want to change the fps to 25. For
> th
Hello everybody,
I have videos with 23.97 fps and I want to change the fps to 25. For this I
don't want to use fps or framerate filter, but changing the pts with:
setpts=1/1.0427093760427095*PTS
If I do this I have to define also the output frame rate with the -r
command. But I would like to chang
Am Di., 23. Apr. 2019 um 12:17 Uhr schrieb Paul B Mahol :
> On 4/23/19, Michael Koch wrote:
> > Am 23.04.2019 um 11:43 schrieb Jon bae:
> >> Hello,
> >> I just have an general question:
> >>
> >> As I know denoiser are specialized to specific noise p
Hello,
I just have an general question:
As I know denoiser are specialized to specific noise pattern.
Makes it a different when I denoise after scaling a video, or is the
quality better when I denoise before scaling.
In terms of speed it would be better for me, denoising after scaling, but
when
Am Mo., 4. März 2019 um 13:21 Uhr schrieb Moritz Barsnick :
> On Mon, Mar 04, 2019 at 17:21:08 +0530, Gyan wrote:
> > Reproduced. Happens when all output streams are emitted from the same
> > filtergraph.
> [...]
> > Open a ticket at trac.ffmpeg.org, but search first - there may already
> > be one
Hello!
Is there a way to apply filter_complex with video filter + audio filter *apad
*and on top using -shortest in command line command?
When I run this:
*ffmpeg -i input.mp4 -filter_complex "[0:v]null;[0:a]apad,anull" -shortest
-f null -*
It end up in endless encoding...
ffmpeg version is th
mode then 'f'
again does go to fullscreen showing the full video resolution.
Is there anything I can do to force ffplay to show the correct
resolution every time?
Jon
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On Sun, 22 Jul 2018 at 20:00, Marton Balint wrote:
>
>
> On Wed, 18 Jul 2018, Micael Silva wrote:
>
> > On Wed, Jul 18, 2018 at 8:13 AM, Jon wrote:
> >
> >> On Tue, 17 Jul 2018 at 23:15, Carl Eugen Hoyos wrote:
> >> >
> >> > 2018
On Wednesday, 18 July 2018, Micael Silva wrote:
> On Wed, Jul 18, 2018 at 8:13 AM, Jon wrote:
>
> > On Tue, 17 Jul 2018 at 23:15, Carl Eugen Hoyos
> wrote:
> > >
> > > 2018-07-17 20:16 GMT+02:00, Jon :
> > > > After successfully comp
On Tue, 17 Jul 2018 at 23:15, Carl Eugen Hoyos wrote:
>
> 2018-07-17 20:16 GMT+02:00, Jon :
> > After successfully compiling ffmpeg on Debian 9 64bit, following the
> > instructions at https://trac.ffmpeg.org/wiki/CompilationGuide and
> > adding the relevant includes for
After successfully compiling ffmpeg on Debian 9 64bit, following the
instructions at https://trac.ffmpeg.org/wiki/CompilationGuide and
adding the relevant includes for NDI using the Newtek SDK
(InstallNDISDK_v3_Linux.sh from https://www.newtek.com/ndi/sdk/) and
compiler flag (--enable-libndi_newtek
2017-12-07 10:03 GMT+01:00 Jim DeLaHunt :
> On 2017-12-07 00:08, Jon bae wrote:
>
> Hello,
>>
>> on Monday I send a little patch for the *vf_blackdetect.c* filter to the
>> dev list, but I don't got any response. I don't wanted to sound impatient,
>>
2017-12-07 9:41 GMT+01:00 Gyan Doshi :
> On 12/7/2017 1:38 PM, Jon bae wrote:
>
>>
>> One thing is to, that my patch is not shown here:
>> https://patchwork.ffmpeg.org/project/ffmpeg/list/ so I though maybe I did
>> something wrong.
>>
>
> Patches sent
Hello,
on Monday I send a little patch for the *vf_blackdetect.c* filter to the
dev list, but I don't got any response. I don't wanted to sound impatient,
I just want to know that I did everything right.
One thing is to, that my patch is not shown here:
https://patchwork.ffmpeg.org/project/ffmpeg
2017-10-25 23:55 GMT+02:00 juan carlos rebate :
> 2017-10-25 23:45 GMT+02:00 Carl Eugen Hoyos :
> > 2017-10-25 23:31 GMT+02:00 juan carlos rebate :
> >
> >> Does this mean I can use ffmpeg as a streaming server?
> >
> > No, it means if you want to continue using ffserver,
> > you will have to fix
2017-08-12 22:10 GMT+02:00 Moritz Barsnick :
> On Tue, Aug 08, 2017 at 08:43:27 +0200, Jon bae wrote:
> > The problem is now that the both streams have a little delay from ~1
> > second. I found out, that when I would encode both stream new and send
> them
> > via the *tee
Hello!
From our office we stream a 576p livestream to a server in the internet. On
this server the stream gets scaled to half. The full and the half stream
gets from there streamed to another server for publishing.
The problem is now that the both streams have a little delay from ~1
second. I fou
2017-08-03 7:45 GMT+02:00 akash kulkarni :
> i have some same kinda of problem,where i am converting MTS file to MP4 .
>
> problem is about audio is not playing in widows media player while it
> playing well in VLC
> so how could i convert mts to mp4 to play that mp4 file well in Windows
> media p
2017-08-01 11:13 GMT+02:00 Paul B Mahol :
> On 8/1/17, Jon bae wrote:
> > 2017-08-01 9:53 GMT+02:00 Paul B Mahol :
> >
> >> On 8/1/17, Jon bae wrote:
> >> > 2017-07-31 22:16 GMT+02:00 Paul B Mahol :
> >> >
> >> >> On 7/31/17, Jonat
2017-08-01 9:53 GMT+02:00 Paul B Mahol :
> On 8/1/17, Jon bae wrote:
> > 2017-07-31 22:16 GMT+02:00 Paul B Mahol :
> >
> >> On 7/31/17, Jonathan Baecker wrote:
> >> >
> >> >
> >> > 2017-07-31 14:41 GMT+02:00 Paul B Mahol >> &
2017-07-31 14:00 GMT+02:00 Paul B Mahol :
> On 7/31/17, Jon bae wrote:
> > 2017-07-31 10:30 GMT+02:00 Paul B Mahol :
> >>
> >>>
> >>> What exactly you tried?
> >>>
> >>> Perhaps you want premultiply filter?
> >>&g
2017-07-31 10:30 GMT+02:00 Paul B Mahol :
>
>>
>> What exactly you tried?
>>
>> Perhaps you want premultiply filter?
>>
>> Yes I have a video and a lower third, and I want to overlay the lower
> third. But my alpha channel from the lower third is not pre-devided with
> the alpha channel, so I need
2017-07-31 10:30 GMT+02:00 Paul B Mahol :
>
> What exactly you tried?
>
> Perhaps you want premultiply filter?
>
> Yes I have a video and a lower third, and I want to overlay the lower
third. But my alpha channel from the lower third is not pre-devided with
the alpha channel, so I need to do a ch
Hello,
is there a way to make simple channel expressions in ffmpeg.
I would need to make something like this:
input > red/alpha , green/alpha , blue/alpha > output
I try this with the geq filter, but without success.
Have you an idea, how I can do this?
Regards
Jonathan
that
is five seconds long. Is there a way to specify a filter that toggles
between the video's audio stream and the .wav file over the specified
intervals (i.e. 5-10s and 15-20s)?
Thanks in advance!
Cheers,
Jon
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Hello everybody,
does anybody know that ffmpeg got a change in the way it pipes the output
under Windows?
I use shell scripts under Windows with msys2 and the mintty console. In the
past I pipe for example like this:
ffmpeg -i input.ext -f null /dev/null 2>&1 | awk '{print}'
or:
ffmpeg -i input
Hi Zsolt, have you try this command with a single file input/output? And
what is happen if you use deinterlace all frames (0)? I would also
recommend to reduce your command and summarize them. Many parameter you
only need ones, I think. Like the yadif filter can go right after the
input. I have not
2016-07-01 14:18 GMT+02:00 Jon bae :
> 2016-07-01 13:05 GMT+02:00 Carl Eugen Hoyos :
>
>>
>> When asking for help here, please provide an actual command
>> line (without variables) including its complete, uncut
>> console output, don't forget to test current FF
2016-07-01 13:05 GMT+02:00 Carl Eugen Hoyos :
>
> When asking for help here, please provide an actual command
> line (without variables) including its complete, uncut
> console output, don't forget to test current FFmpeg git
> head.
>
>
Ok I make a fresh new pull from ffmpeg.
My ffmpeg concat com
Hello everybody,
we use for a fallback server ffmpeg to play a list of mkv files. For that I
have a script witch generate the playlist and convert the clips in the
right format.
After that the script checks the new playlist, and when there comes errors
it send me an email.
I found out that in our
So I am using a raspberry pi to encode audio from USB sound card's Line In
and broadcasting to a multicast address as an MP3. I ran tests on a laptop
before I migrated it to a pi, and it seemed to run without issue. Now when
I run it on the pi, it will run for about 4 or 5 hours, then the ffmpeg
en
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