Am Do., 15. Dez. 2022 um 06:54 Uhr schrieb Govind Rathi :
> It worked now but still I am not able to get the proper audio
> after the conversion.
> I am attaching you the raw file and the command
The file contains stereo sound which is currently not supported
for raw amr input files.
> as well
Am Mi., 14. Dez. 2022 um 06:31 Uhr schrieb Govind Rathi :
> Thank you very much for quick response.
> But I am still facing the same issue after making the changes as you
> suggested.
Sorry for the wrong advice, please try:
--enable-gpl --enable-version3 --enable-libmp3lame --enable-libtheora
Am Di., 13. Dez. 2022 um 08:57 Uhr schrieb Govind Rathi :
> configuration: --enable-gpl --enable-version3 --enable-libmp3lame
> --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264
> --enable-nonfree --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-libvo_amrwbenc
Am Do., 8. Dez. 2022 um 20:32 Uhr schrieb :
> Stream #0:0: Video: hevc (Rext), gbrp
Completely unrelated:
Do all your video players play above file?
> ffmpeg -init_hw_device qsv=hw -filter_hw_device hw -v verbose
> -f x11grab -draw_mouse 0 -framerate 20 -probesize 42M
> -video_size 1920x1200
Am Fr., 9. Dez. 2022 um 13:54 Uhr schrieb Barnett, Phillip
:
> I'm trying to encode AVC100 in UK (25i) but getting odd blocking artefacts,
> where
> the screen is banded in about 10 horizontal rows with random levels of
> brightness,
> which change on a sub-second basis, darker or lighter. I'm
Am Fr., 2. Dez. 2022 um 13:08 Uhr schrieb Mahesh Velankar :
>
> (removed unwanted part from output)
Never do that if you ask for support here.
What is needed is the command line that allows to reproduce
the issue together with its complete, uncut console output.
ffprobe typically cannot be a
Am Sa., 12. Nov. 2022 um 17:03 Uhr schrieb Ulf Zibis :
>
>
> Am 12.11.22 um 14:41 schrieb Carl Eugen Hoyos:
> > https://ffmpeg.org/ffmpeg-filters.html offers a few options:
> > kerndeint is old / outdated, should be fast
> > yadif was for a long time the most use
Am Fr., 11. Nov. 2022 um 22:41 Uhr schrieb Mark Filipak
:
> Can this be corrected?
First thing to be corrected is that your mail is missing the ffmpeg
command line
you tested (I believe there is very little ffprobe support here)
together with the
complete, uncut console output.
Once this is
Am Sa., 12. Nov. 2022 um 01:46 Uhr schrieb Ulf Zibis :
>
> I have transcoded a avi video to mp4 for compressing by factor 8.
> Now I see interlace artifacts.
https://ffmpeg.org/ffmpeg-filters.html offers a few options:
kerndeint is old / outdated, should be fast
yadif was for a long time the most
Am Sa., 12. Nov. 2022 um 13:57 Uhr schrieb Cecil Westerhof via
ffmpeg-user :
>
> Michael Koch writes:
>
> > Am 12.11.2022 um 12:39 schrieb Cecil Westerhof via ffmpeg-user:
> >> I have a few videos that have a 50 fps. But the computer I am playing
> >> them on cannot handle that properly. Can I
Am So., 6. Nov. 2022 um 12:50 Uhr schrieb owen s :
>
> Is it possible to have two urls, one streaming audio and one for video;
> using ffmpeg to combine these streams and just playing them as one without
> saving a file?
Note that synchronisation can be an issue.
Carl Eugen
Am Do., 3. Nov. 2022 um 20:18 Uhr schrieb Bartosz Trzebuchowski
:
> 1. How can I convert 16:9 movies to 2.35:1? My projector can’t
> scale down and 16:9 movies run outside my 2.35:1 canvas at
> the top and the bottom. I need to black out top and bottom so
> only 2.35:1 is visible.
Use the crop
Am Do., 3. Nov. 2022 um 22:49 Uhr schrieb Robin van der Linden via
ffmpeg-user :
>
> @Carl Eugen
> I check on the web for that
Why didn't you test yourself?
Regarding your earlier comment about TrueHD being "a
proprietary format":
TrueHD is based on Meridian Possless Packing, a format
specified
Am Do., 3. Nov. 2022 um 20:18 Uhr schrieb Bartosz Trzebuchowski
:
>
> Is is possible with ffmpeg to convert the sound to DTS 7.1?
There is a DTS 5.1 encoder in FFmpeg but it is highly experimental
and it is unlikely that it would really help you, use the ac3 encoder instead.
Carl Eugen
Am Do., 3. Nov. 2022 um 20:34 Uhr schrieb Robin van der Linden via
ffmpeg-user :
> About the audio, I'm pretty sure that TrueHD is a BlackBox to ffmpeg
FFmpeg contains a TrueHD deccoder and encoder.
Carl Eugen
___
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> Am 17.10.2022 um 22:52 schrieb i...@mbsoft.biz:
>
> I would use the tee filter to output 3 srt streams.
> ffmpeg.exe -report -f gdigrab -framerate 25 -offset_x 1063 -offset_y 147
> -video_size 854x480 -draw_mouse 0 -show_region 0 -i desktop -filter:v
> "scale=-2:720" -vcodec libx264
Am Do., 1. Sept. 2022 um 21:16 Uhr schrieb Jorge Villatoro via
ffmpeg-user :
>
> If you'd like to call it something else that's fine with me, but it's clear
> that the memory usage of the process escalates over time
Which is not unusual for applications writing multimedia files.
massif (another
Am Do., 1. Sept. 2022 um 19:07 Uhr schrieb Jorge Villatoro via
ffmpeg-user :
> I've tried running valgrind on this process for a while but I'm not really
> sure how to decipher the results other than that there doesn't appear to be
> an obvious leak.
If valgrind does not show a memory there is
Am Mi., 26. Jan. 2022 um 00:13 Uhr schrieb Whatsthis :
>
> The webpage stating the upload procedure
> (https://ffmpeg.org/bugreports.html#SubmittingSampleMedia) also says:
>
> > Furthermore movie files uploaded to services like rapidshare or any other
> > similar service will be ignored. We are
Am Mo., 24. Jan. 2022 um 19:46 Uhr schrieb Sergey_S :
>
> C:\Users\shuts\Downloads\ffmpeg-2022-01-19-git-dd17c86aa1-essentials_build\bin>ffmpeg
> -i C:\Users\shuts\Desktop\Ep1.ts -vcodec libx264 -s 720x576 -g 50
> -keyint_min 50 -sc_threshold 0 -vprofile main -level 4.1 -b:v 3000K
> -maxrate 3000K
Am So., 16. Jan. 2022 um 12:34 Uhr schrieb manu . :
> I used to transcode my cams Stream RTSP in HLS with ffmpeg on my Raspberry
> for years
> to play it in all browsers without problem, since i have updated my Raspberry
> with the
> latest Raspbian Bullseye and ffmpeg, i have no more audio …
Am So., 16. Jan. 2022 um 22:24 Uhr schrieb Moritz Barsnick :
>
> Hi Violet,
>
> On Sun, Jan 16, 2022 at 15:14:47 -0600, Violet White wrote:
> > Hi, I have a program that generates frames of animation and saves
> > them to individual files on a disk, but what I would like to do is avoid
> > writing
Am Do., 20. Jan. 2022 um 00:04 Uhr schrieb Whatsthis XTnetwork
:
>
> In some recent ffmpeg logs I see messages like:
>
> [h264 @ 0x123456789abc] If you want to help, upload a sample of this file
> to ftp://upload.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing
> list.
Am Do., 6. Jan. 2022 um 14:13 Uhr schrieb Dama, Nikhil via ffmpeg-user
:
> My security team denied the download of the package, and here is the
> following explanation that they gave:
> DOWNLOAD DENIED: Muliple known vulnerabilities like CVE-2021-38171
Because of the extreme reaction by your
Am Fr., 7. Jan. 2022 um 22:16 Uhr schrieb Michael Koch
:
>
> At the end of the
> filter chain I had to insert "format=bgra". It doesn't work if I use
> rgb24 or bgrp or no format at all.
> Why does the sdl output device need a
> pixel format with alpha channel?
You can use bgr0 which is a format
Am Sa., 8. Jan. 2022 um 07:54 Uhr schrieb Adam Nielsen via ffmpeg-user
:
> [mpegts @ 0x6725d0] Stream 0, codec mjpeg, is muxed as a private data
> stream and may not be recognized upon reading.
You cannot mux random data into mpegts, this is not a limitation of FFmpeg.
A small change to the
> Am 11.08.2021 um 03:35 schrieb Jon Beyer :
>
> 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
> Am 10.08.2021 um 11:03 schrieb Bouke :
>
> I'm using the R128 functionality now, but Netflix wants sound to be Dolby
> dialogue-gated measured.
> Seems that the needed Dolby code is free now.
Very generally, this was unlikely, after following the links you provided, it’s
not correct.
Am So., 8. Aug. 2021 um 22:13 Uhr schrieb Wayne :
>
> Here's the simple command line I'm using to copy part of an mp4 file to
> a new file.
>
> ffmpeg -ss 6.6401 -i inFile.mp4 -to 17.6679 -c copy outFile.mp4
Complete, uncut console output missing.
> Since the seek position does not fall on a
Am Sa., 7. Aug. 2021 um 11:12 Uhr schrieb Bill Crockett :
> If I choose a CRF of 20, and I use the "veryslow" preset, the quality will
> still be the same if I choose a CRF of 20 and use the "superfast" preset?
>
> The same with this. If I choose a CRF of 10, and I use the "veryslow"
> preset,
Am Di., 15. Juni 2021 um 15:17 Uhr schrieb Ad Go :
> I'm trying to receive a video from a tcp stream and to re-stream
> it over udp on localhost. This is what I have now:
I don't use many tools except FFmpeg but I believe this
should be done with tcpdump.
Carl Eugen
Am So., 13. Juni 2021 um 08:47 Uhr schrieb Robert Jeffares
:
> ffmpeg -hide_banner -loglevel error -i $SOURCE -ss $HEADNUM
> -to $TAILNUM somedesiredoutput.wav
This cannot work as the file does not get recognized currently.
The usual way of dealing with such a case is to upload a sample.
Carl
Am Mi., 9. Juni 2021 um 18:00 Uhr schrieb Aman Bisht :
> ffmpeg version 4.4 Copyright (c) 2000-2021 the FFmpeg developers
Is the issue you see reproducible with current FFmpeg git head?
Carl Eugen
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Am Di., 8. Juni 2021 um 14:52 Uhr schrieb Rob Hallam :
>
> On Tue, 8 Jun 2021 at 00:57, Carl Eugen Hoyos wrote:
> >
> > Feel free to provide sample file(s) after confirming that the
> > issue is reproducible with current FFmpeg git head, the
> > only version
> Am 06.06.2021 um 14:44 schrieb Rob Hallam :
>
> However, while some of the videos play both video and audio, others have no
> video
Feel free to provide sample file(s) after confirming that the issue is
reproducible with current FFmpeg git head, the only version supported on this
mailing
> Am 28.05.2021 um 11:44 schrieb Michael Koch :
>
> Am 28.05.2021 um 11:25 schrieb Flavio Sartoretto:
>> I use ffmpeg in order to convert fname.flv video to mp4:
>> ffmpeg -i fname.flv -c:v mpeg4 -copyts -loglevel verbose fname.mp4
>>
>> The video quality of my output is bad. How can I
> Am 25.05.2021 um 03:39 schrieb pink panther :
>
> Input #0, wav, from 'Mohg729.wav':
> Duration: 00:05:32.55, bitrate: 8 kb/s
> Stream #0:0: Audio: none (3[1][0][0] / 0x0133), 8000 Hz, mono, 8 kb/s
Please provide the file Mohg729.wav to allow us to fix the issue you see.
Thank you, Carl
Am Mo., 24. Mai 2021 um 23:21 Uhr schrieb pink panther :
>
> I have tried all of the below. I just want to cut the audio(music on hold)
> to 1 minute because it's too long
Complete, uncut console output missing.
Can the input file be decoded?
If not, please provide a sample.
Please find out
Am Mo., 24. Mai 2021 um 22:23 Uhr schrieb pink panther :
>
> I have a 325kb audio wave file recorded in g729.
If the file does not work at all, we would love to
test a sample
Carl Eugen
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Am So., 16. Mai 2021 um 08:11 Uhr schrieb Martin Woolley
:
> Would you mind educating me (or helping me educate myself)?
> What is HXVF / HXVS / HXVT
I chose this name for the file type because these
strings / tags happen to appear in your files.
> and is there a specification I can read
Am Sa., 15. Mai 2021 um 18:28 Uhr schrieb Ulf Zibis :
> I have some photos from a iPhone in HEIC format. Is there a
> chance, to convert them to a "normal" format?
You're welcome to test this repository with your samples:
https://github.com/Swaraj1998/FFmpeg
Thank you, Carl Eugen
Am Sa., 15. Mai 2021 um 19:33 Uhr schrieb Martin Woolley
:
>
> Sorry, no... reading my own words again, I too read it that way :-)
Thank you!
> But as you have no doubt discovered, neither format plays in
> VLC. Apologies for my lack of rigour.
Don't worry!
> You're welcome. Looking forward to
Am Sa., 15. Mai 2021 um 14:29 Uhr schrieb Martin Woolley
:
>
> Unfortunately neither VLC or my media server/TV are able to
> play the H265 files from the IP camera
Am I the only one who interpreted this as "H264 files work fine"?
I opened ticket #9245, thank you for the sample files!
Carl Eugen
> Am 15.05.2021 um 14:29 schrieb Martin Woolley :
>
> I'm happy to share a sample file if it
> would help.
Please provide both a H264 and a H265 file with audio from the camera.
Carl Eugen
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Am Mi., 12. Mai 2021 um 08:39 Uhr schrieb WR :
> Maybe, there is a way, to scale the subtitles in that way, that they
> would fit the videos size.
Yes, this is supposed to work fine.
Please provide the command line you tested together with
the complete, uncut console output to allow us to better
> Am 12.05.2021 um 02:05 schrieb Craig L. :
>
> ffmpeg version 4.3.1-static
Is the issue you see reproducible with current FFmpeg git head?
Carl Eugen
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Am Sa., 8. Mai 2021 um 07:28 Uhr schrieb Gabriel Balaich
:
>
> Hey there, I'm wondering if anybody would have any ideas in regards to
> synchronizing live sources across multiple / separate FFmpeg commands.
It might be possible, please provide one of the command lines that are
fast enough for
Am Sa., 8. Mai 2021 um 10:58 Uhr schrieb WR :
> since some days I experience errormessages in ffplay:
Is the issue also reproducible with ffmpeg?
If the issue is reproducible with current FFmpeg git head,
please provide the command line you tested together
with the complete, uncut console
Am So., 18. Apr. 2021 um 17:54 Uhr schrieb Alexander Machev
:
>
> ffmpeg is reporting audio errors in some of my tv recordings.
>
> [mp2 @ 03956040] [error] Header missing
> [error] Error while decoding stream #0:1: Invalid data found when
> processing input
Command line and complete,
Am Di., 13. Apr. 2021 um 12:48 Uhr schrieb Erik Dobberkau
:
>
> > Is your input really 720x576 or is it maybe interlaced content
> > encoded as two separate frames with height 288? This is not
> > yet supported by FFmpeg at all without filter insertion, it is
> > possible that we will never write
Am Di., 13. Apr. 2021 um 17:25 Uhr schrieb Carl Zwanzig :
>
> On 4/13/2021 12:48 AM, Kieran O Leary wrote:
> > The developer of mediainfo, as mediainfo output was included.
>
> Cool, so completely irrelevant* to the question; that or we start
> "blaming" every developer for their program's output.
Am Di., 13. Apr. 2021 um 22:18 Uhr schrieb Michael Koch
:
>
> Am 13.04.2021 um 21:53 schrieb John Harlow via ffmpeg-user:
> > RES1=`nice -20 cpulimit -l 400 /usr/bin/ffmpeg -y -hide_banner -loglevel
> > verbose -r 29.97 -i "$TMP" \
>
> I'm not sure, but doesn't the -r option before the input
Am Mo., 12. Apr. 2021 um 23:46 Uhr schrieb JD :
>
> Noted.
>
> >While there, please find out what top-posting means and avoid it here.
>
> Here is the output:
>
> Y:\youtube-dl>ffmpeg -y -loglevel "repeat+info" -i "file:deltron -
> Videos\LIGHTSKINJOHN - only - MakTbhIZ5zo.f302.webm" -i
Am Mo., 12. Apr. 2021 um 23:52 Uhr schrieb Carl Zwanzig :
>
> On 4/12/2021 2:42 PM, Carl Eugen Hoyos wrote:
> > and since Matthew didn't mention "interlaced"
>
> Video (ORIGINAL)
> Scan type: Interlaced
> Scan order
Am Mo., 12. Apr. 2021 um 00:54 Uhr schrieb Dylan Fernando :
> Thanks, Now I am getting:
>
> /usr/bin/ld: cannot find -lMachineIndependent
> /usr/bin/ld: cannot find -lGenericCodeGen
It doesn't work here either, maybe you need a particular
version of glslang.
Hopefully somebody who knows what it
Am Mo., 12. Apr. 2021 um 23:42 Uhr schrieb JD :
>
> I will request the specific ffmpeg command that youtube-dl is using that
> appears to fail.
While there, please find out what top-posting means and avoid it here.
Thank you
___
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Am Mo., 12. Apr. 2021 um 23:38 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> On 2021-04-12 06:40, Matthew Yang wrote:
> > Hello all
> >
> > I was trying to extract a 5-minute segment of a video, keeping the same
> > settings using the following command
> >
> > ffmpeg -ss 00:00:00 -i "input.mxf" -c copy
Am Mo., 12. Apr. 2021 um 10:42 Uhr schrieb Jim DeLaHunt
:
> 3. Use the current version of ffmpeg to reproduce your problem. Your
> output says, "ffmpeg version n3.0.1", but the current numbered version
> is 4.4.
To make this as clear as possible:
The only version supported on this mailing list
Am Mo., 12. Apr. 2021 um 12:46 Uhr schrieb Matthew Yang
:
> ffmpeg -ss 00:00:00 -i "input.mxf" -c copy -t 00:05:00 output.mxf
Complete, uncut console output missing.
Is your input really 720x576 or is it maybe interlaced content
encoded as two separate frames with height 288? This is not
yet
Am Mo., 12. Apr. 2021 um 19:42 Uhr schrieb JD :
> ffmpeg version 4.2.4-1ubuntu0.1 Copyright
I don't see any indication for an issue that can be fixed in FFmpeg, if
you disagree please test current FFmpeg git head and provide the
failing ffmpeg (!) command line together with the complete, uncut
Am Sa., 10. Apr. 2021 um 14:43 Uhr schrieb William Breathitt Gray
:
> $ ffmpeg -hide_banner -i VID_20210401_150222.mp4 -c:v copy -an onlyvideo.mp4
Work-around is to use -ignore_editlist 1
For future questions: Please remember not to sue -hide_banner and do
not cut the console output.
Carl
Am Sa., 10. Apr. 2021 um 16:20 Uhr schrieb William Breathitt Gray
:
>
> I can play the video file correctly on my phone and
> desktop (albeit with some minor corrupted video frames and perhaps an
> audio skip here or there), but when I try to convert the video file
> using ffmpeg, I am unable to
> Am 08.04.2021 um 12:45 schrieb Mar Andrés López :
>
> Is posible to specify bitrate option -b:v as the bitrate from the input?
> instead of doing -b:v 300k is posible for example -b:v source, which would
> output the bitrate from original video?
No, technically this would make very little
Am Di., 6. Apr. 2021 um 03:02 Uhr schrieb Adrian Cable :
>
> The problem/question is: how do I get ffmpeg to drop frames as required to
> keep the pipeline running real time?
This is not possible with ffmpeg, the application.
Did you look at the x264 presets?
Carl Eugen
Am Mi., 7. Apr. 2021 um 10:46 Uhr schrieb Dylan Fernando :
> Include the log file "ffbuild/config.log" produced by configure as this
> will help solve the problem.
Did you see this?
Carl Eugen
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> Am 05.04.2021 um 01:48 schrieb Cecil Westerhof via ffmpeg-user
> :
>
> I have to cut out a part of a video, crop it and blackout two parts.
> I do this with:
>ffmpeg -y \
> -ss 00:19:49\
> -i
> Am 05.04.2021 um 04:39 schrieb Kosei Seki <1446513973wh...@gmail.com>:
>
> (base) XXX-MacBook-Air ~ % brew install ffmpeg --HEAD
You will have to ask elsewhere (we are not brew) if you don’t like the links on
our download page:
http://ffmpeg.org/download.html
Carl Eugen
> Am 03.04.2021 um 20:20 schrieb Simone Croci :
>
> Does ffmepg support the extraction of H.264 MVC bitstreams from Matroska?
Please test and report back.
Carl Eugen
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> Am 02.04.2021 um 23:54 schrieb Simone Croci :
>
> I am decoding an MVC H.264 video and I get a lot of error messages "sps_id
> 1 out of range". What is the problem?
> is it caused by the fact that ffmpeg
> does not support MVC H.264?
Yes.
As Carl wrote:
When asking questions on this
Am Mo., 29. März 2021 um 18:48 Uhr schrieb Nicolas George :
>
> Carl Eugen Hoyos (12021-03-29):
> > Either you are showing content where the speed (and duration) can be
> > changed but this does not matter - such content is rare but likely
> > exists
>
> You mean
Am Mo., 29. März 2021 um 10:44 Uhr schrieb Bruce Roberts :
> The background to this is that I have to transcode 23.976fps and 29.97fps
> content for a VOD platform that will only accept 25fps. Their
> documentation says that *prefer *speed change when going from 23.976fps
> or 24fps to 25fps but
Am Mo., 29. März 2021 um 12:22 Uhr schrieb jun li :
>
> ffmpeg -f gdigrab -framerate 5 -i desktop output.gif
This command line cannot produce a nice-looking gif,
paletteuse is needed for good pal8 output.
Either record first (not using gif) and convert to gif later
or use a palette of your
Am Fr., 26. März 2021 um 17:28 Uhr schrieb Cecil Westerhof via
ffmpeg-user :
> ffmpeg -y -ss 1189 -i 2021-03-25ToastmastersClubAvond.mp4
> -to 442 -acodec copy -vcodec libx264 -crf 8 -async 1 speech.mp4
The x264 documentation states that there is no good
reason to use "crf 8" and please don't
Am Fr., 26. März 2021 um 10:05 Uhr schrieb Cecil Westerhof via
ffmpeg-user :
>
> Because people have different resolutions there are sometimes black
> beams to the side of a video. What is the best way to remove them?
Did you test the cropdetect filter?
Am Fr., 26. März 2021 um 15:32 Uhr schrieb Bruce Roberts :
> I'm looking for advice on the best ways to convert 23.976fps
> and 29.97fps AVC-I 100Mbps content to 25fps
The single most important question is:
What do you mean with "convert"?
Usually, changing the speed of the video is completely
Am Do., 25. März 2021 um 17:04 Uhr schrieb :
> 76 vCPUs (Skylake Gold 6161 v5 bi-pro 2.2Ghz) | 304 GB | cc3.19xlarge.4 | OBS
> CentOS 7.7
> o /home/local/ffmpeg_build/bin/ffmpeg -i
> /data/testjulien/iss_ep01telco_DT_video360_h265_7680x7680_10b_250Mbps_stereo_v001.mp4
> -maxrate 25M
Am Do., 25. März 2021 um 08:03 Uhr schrieb Marian Klymov :
>
> I want to receive rtmp stream (using nginx-rtmp module), transcode
> it and save it in chunks.
> I would like to have splitting at specific times and to have all chunks
> equal to 30.00 seconds (except first and last obviously). I've
Am Mi., 24. März 2021 um 08:38 Uhr schrieb jun li :
>
> ffmpeg -f gdigrab -framerate 30 -i desktop -ss 1 -lavfi
> palettegen=stats_mode=*diff*:transparency_color=ff[pal],[0:v][pal]paletteuse=new=1:dither=bayer:bayer_scale=1
> default.gif
This is not how palettegen / paletteuse work, see:
Am Mo., 22. März 2021 um 13:33 Uhr schrieb Andrews, Vincent
:
> We are trying to setup ffmpeg on a CentOS7 system without hardware
> acceleration so that we can convert *.mov files to *.mp4.
>
> ffmpeg V4.3.2 was configured with:
Please test current FFmpeg git head, if you use a precompiled
Am Mo., 22. März 2021 um 20:36 Uhr schrieb Hassan :
> Given the discussion above and the question under discussion, can you
> please give a command to achieve the accurate timestamping of the frames?
You should start with something like the following:
$ ffmpeg -f gdigrab -i desktop -vcodec
Am Mo., 22. März 2021 um 14:51 Uhr schrieb Hassan :
> > ffmpeg -f gdigrab -i desktop
> > -vf "settb=expr=1/72, setpts=N*12000, fps=60"
This filter chain looks either useless or broken.
Carl Eugen
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Am So., 21. März 2021 um 23:55 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> On 2021-03-21 18:36, Carl Eugen Hoyos wrote:
> > Am So., 21. März 2021 um 23:31 Uhr schrieb Mark Filipak (ffmpeg)
> > :
> >>
> >> On 2021-03-21 17:50, Carl Eugen Hoyos wrote:
> >>
Am So., 21. März 2021 um 23:31 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> On 2021-03-21 17:50, Carl Eugen Hoyos wrote:
> > Am So., 21. März 2021 um 22:13 Uhr schrieb Mark Filipak (ffmpeg)
> > :
> >
> >> I think '-framerate 60' may not be needed at all.
> >
&
Am So., 21. März 2021 um 22:13 Uhr schrieb Mark Filipak (ffmpeg)
:
> I think '-framerate 60' may not be needed at all.
It is only needed if 60fps recording is wanted.
As said before, setpts should generally be avoided and
this is even more true for settb. If you have to smooth
timestamps, use
Am Sa., 6. Juni 2020 um 21:05 Uhr schrieb Kieran O Leary
:
> I was doing some tests with libaom and lossness encoding and with synthetic
> files and some real world files, I kept finding that the framemd5s for the
> first frame was different than the source, but every other libaom encoded
> frame
Am Sa., 20. März 2021 um 22:10 Uhr schrieb amindfv--- via ffmpeg-user
:
>
> When can I expect the output of ffmpeg to be byte-for-byte identical
> across runs given the same input and command-line flags?
Command line and complete, uncut console output missing but "real"
encoders do not to produce
Am Di., 16. März 2021 um 13:28 Uhr schrieb Javier Fuentes
:
> ffmpeg -i "srt://xx.xx.xx.xx:9002?mode=listener" -map 0 -codec copy -tune
> zerolatency -f mpegts udp://xx.xx.xx.xx:9000?pkt_size=1316
(-tune zerolatency looks disturbing here...)
Complete, uncut console output missing.
It should
Am Fr., 19. März 2021 um 08:56 Uhr schrieb tai truong :
> Sorry for my first naive question. As googling, I found some talk about
> fpga hevc encode plugin for ffmpeg from Xilinx.
I have no idea if this is your question but a patch is attached to this ticket:
https://trac.ffmpeg.org/ticket/7214
> Am 15.03.2021 um 16:17 schrieb bat guano :
>
> How do I make FFmpeg send it's png output to stdout?
-f rawvideo -vcodec png -
FFmpeg accepts such streams as input, other programs may fail.
Carl Eugen
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> Am 12.03.2021 um 08:27 schrieb :
>
> I'm trying to run the following command:
When asking questions on this mailing list, please do not attach screenshots of
your console output, instead post the command line you tested (without using
the hidebanner option!) together with the complete,
> Am 10.03.2021 um 07:01 schrieb :
>
> I have a question
Please (test current FFmpeg git head, the only version supported here, and)
provide the command line you tested together with the complete, uncut console
output as text, do not attach images.
Carl Eugen
Am Mo., 8. März 2021 um 23:32 Uhr schrieb Anders Degerberg
:
>
> On Mon, Mar 8, 2021 at 10:44 PM Carl Eugen Hoyos wrote:
>
> > Just to make sure that our assumption that this would need
> > changes in libswscale is correct, please also test the following:
> > -pix_fmt
Am Mo., 8. März 2021 um 21:46 Uhr schrieb Anders Degerberg
:
>
> Hi, see output below:
> $ ffmpeg -loglevel verbose -f decklink -raw_format rgb10 -i "DeckLink
> 8K Pro (1)" -sws_flags bilinear -sws_flags print_info -c:v hevc_nvenc
> -an -b:v 30M -f null -
Just to make sure that our assumption
Am So., 7. März 2021 um 23:26 Uhr schrieb Zolotarev, Michael
:
> Tight deadline
Did you install wsl (1) and run the configure script?
Carl Eugen
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To
Am Di., 2. März 2021 um 21:42 Uhr schrieb Paul B Mahol :
>
> On Tue, Mar 2, 2021 at 8:59 PM Carl Eugen Hoyos wrote:
> > There is no AVFrac in the (current) codebase.
> >
> Funny how he look at ultra old svn code dump, good luck with that,
>
> How he even managed
Am Di., 2. März 2021 um 20:51 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> On 2021-03-02 13:31, Carl Eugen Hoyos wrote:
> > Am Di., 2. März 2021 um 17:50 Uhr schrieb Mark Filipak (ffmpeg)
> > :
> >>
> >> I've searched the docs one-by-one. I seek a simpler way
Am Di., 2. März 2021 um 01:47 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> The ffmpeg filter pipeline assigns a 'PTS' to each frame,
> frame by frame.
This may not be completely unreasonable but some
comments are still necessary:
The sentence sounds to me as if the the filter pipeline always
assigns
Am Di., 2. März 2021 um 17:50 Uhr schrieb Mark Filipak (ffmpeg)
:
>
> I've searched the docs one-by-one. I seek a simpler way to repeat a frame.
Increase the frame rate, either with the fps filter or the ffmpeg option "-r".
They differ in their greediness and verbosity on the status line.
Carl
> Am 02.03.2021 um 07:37 schrieb 梦开始的地方 <382607...@qq.com>:
>
> I use it on linux，how to compile ffmpeg with video4linux support kona
Every Linux binary by default comes with video4linux2 support, you have to
actively disable it if you don’t want it.
Carl Eugen
> Am 02.03.2021 um 03:41 schrieb KRISHNAKUMAR N K :
>
> I have followed ffmpeg compilation guide "
> https://trac.ffmpeg.org/wiki/CompilationGuide/Centos; and its successful,
> would like to know FFmpeg is 64bit by default (or) should i need to enable
> any flags / properties.
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