> On 13 Feb 2024, at 07:23, Jason Bailey via ffmpeg-user
> wrote:
>
> So I've got what might seem like an odd topic for questions. I'm trying to
> take a RTMP stream from our Wowza server and essentially morph the stream
> into a viable form that our cable head end will accept. It's a tricky
> On 12 Aug 2024, at 19:37, Gia Ferrari wrote:
>
> On 8/12/24 3:57 AM, Ulf Zibis via ffmpeg-user wrote:
>
>> Hi,
>>
>> is there an option how to preserve the file time from the input file to the
>> outputfile?
>> My search for "file time" on https://ffmpeg.org/ffmpeg-all.html was
>> result
> On 2 Dec 2024, at 12:41, Michael Koch wrote:
>
> Is it possible to use FFmpeg for digitizing a Normal8 or Super8 film?
> The framerate is 16 for Normal8 or 18 for Super8, but the motor speed of the
> projector may have 10% tolerance.
> I could project the film on a screen and make a FHD video
> On 2 Dec 2024, at 23:28, amindfv--- via ffmpeg-user
> wrote:
>
> On Mon, Dec 02, 2024 at 01:08:35PM +0100, edit 'B wrote:
>
> [...]
>
>> What you are proposing is a way that absolutely no one uses. There is either
>> a lock between projector and ca
> On 6 May 2025, at 07:49, Kieran O Leary wrote:
>
> Yes. My understanding of how most timecode tracks are stored during tape
> digitisation is that it just stores the first timecode value when you start
> capturing. Any discontinuities in the tape (for example timecode resets
> when multiple e
The resolution is there, but the sides are supposed to be invisible.
The aperture to be shown should be even smaller.
(SD was an overscanned format. In the full frame you should often see the tip
of a boom mic, that is ‘as close as possible, without being in the frame’)
Bouke
> On 14 May 2025, a
> On 17 May 2025, at 16:44, Alex Xu wrote:
>
> The video is telecined, not interlaced.
Telecined IS ALWAYS interlaced. The whole idea is to create something to reduce
doubling frames as much as possible.
Having said this, de-interlacing is NOT reverse telecine, and should not be
used to sh
> On 15 May 2025, at 13:56, BloodMan wrote:
>
> Hello,
>
> Everything indicates that:
>
> 1. The real, stored, image resolution is 702x576 (702/3/4? weird)
>
> 2. The display resolution is set to 720x576
>
> 3. Additionally, there is information about the image positioning offset
> 702x57
> On 15 May 2025, at 04:02, Carl Zwanzig wrote:
>
> On 5/14/2025 11:31 AM, Edit 'B wrote:
>> The resolution is there, but the sides are supposed to be invisible.
>> The aperture to be shown should be even smaller.
>> (SD was an overscanned format. In the ful
st fine?
(I must have several version running around, but for daily work I’m on Catalina)
Bouke / edit 'B
> Thank you very much !
>
> ——
> Dr. Harald Müller-Dempf
> Fraenkelufer 50
> 10999 Berlin
> harald.mue
> On 17 Dec 2021, at 11:08, Bo Berglund wrote:
>
> Can I keep the copy for video but re-encode for audio?
> Some ffmpeg command suggestion?
-c:v copy -c:a ‘something’, but no clue if it will help you…
Bouke
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> On 30 Dec 2021, at 14:58, Reindl Harald wrote:
>
> it's amazing that you
Hey Harald,
Are you allright? You almost sound polite!
Is everything well? Should someone call a doctor / inform the authorities?
Bouke
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> On 30 Dec 2021, at 15:16, Reindl Harald wrote:
>
>
>
> Am 30.12.21 um 15:05 schrieb Bouke / edit 'B:
>>> On 30 Dec 2021, at 14:58, Reindl Harald wrote:
>>>
>>> it's amazing that you
>> Hey Harald,
>> Are you allright? You
> On 9 Feb 2022, at 18:32, Mark Filipak wrote:
>
> Hello, All,
Bye Mark.go away!
Now. No time to waste. Unsub / close your internet account / kill yourself /
hire someone to do that for you, I don’t care, just, stop.
Bouke
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>>
>> I'm trying to nomalize an audio file with FFmpeg. I'm using the loudnorm
>> filter. The source loudness is -23 LUFS and I want to make it -17 LUFS.
>> As far as I know, loudnorm has 2 modes of normalizing audio: linear and
>> 2. Encode the audio with:
>>
>> ffmpeg -i input.wav -filter:a
> On 19 Apr 2022, at 20:41, Carl Zwanzig wrote:
>
> On 4/19/2022 11:37 AM, Paul B Mahol wrote:
>> colorcorrect filter operates in YUV colorspace and not RGB colorspace
>> So green tint can be adjusted with it.
>
> How would you do that when there are only parameters for R and B?
>
> z!
AFAIK
> On 19 Apr 2022, at 21:00, Carl Zwanzig wrote:
>
> On 4/19/2022 11:52 AM, Bouke / edit 'B wrote:
>>> How would you do that when there are only parameters for R and B?
>
>> AFAIK, YUV = R-Y B-Y, so it’s just math.
>> Doing corrections in RGB is si
On 19 Apr 2022, at 20:44, Jim DeLaHunt wrote:
>
> Not that the FFmpeg tool is stupid overall — it is quite capable and useful
> in many ways. But there are aspects of the tool, and its documentation, and
> its contributors' behaviour, and the project culture, which are indeed quite
> stupid.
Hi Shubham,
When I copy your mail below (not done on this list, mind you!), it’s exactly as
long as it was before. What do you expect?
Bouke
> On 20 Apr 2022, at 15:01, Shubham Tiwari wrote:
>
> Hi,
>
> When I run ffmpeg command on a wav file, the received output file is of
> large size as c
> On 20 Apr 2022, at 19:50, Shubham Tiwari wrote:
>
> 1 million audio files per day.
Hire a specialist. Now. Immediately. Pay him / her well. Do NOT hesitate. Do
NOT think, just do it. Right now.
It WILL pay off.
Did I mention you DO NOT HAVE time to waste?
Bouke
ficient.
BUT, since you don’t give any clue what / who has to process the output of your
work, trust me, hire a specialist to drag this out of you.
I’m trying to help you, but for that, you need to provide more input.
Bouke / edit 'B
videotoolshed.com
Van Oldenbarneveltstraat 33
6512 AS Nijmeg
>
> Please help me do this; How do I get the file size in advance if I encode
> any media format to another format so that I can set the Header
> Content-Length in the header. What is the formula for this? I'm new to
> FFMpeg.
Didn’t you already get flamed on this very subject not very long ago?
Beledig me niet, lijk met niet in lijn met je princiepes / de Heer, iig siert
het niemand.
Bouke / edit 'B
videotoolshed.com
Van Oldenbarneveltstraat 33
6512 AS Nijmegen, the Netherlands
+31 6 21817248
If you want to send me large files, please use:
https://videotoolshed.wetransfer.com/
> On 24 Oct 2022, at 14:29, Naveen.B wrote:
>
>>
>>
>> On 24 Oct 2022, at 12:52, Naveen.B wrote:
>>>
>>> Hello Team,
>>>
>>> I have managed to convert raw Images files to .mp4 video,
>>> I need to encode to a RAW video instead, could you please let me know the
>>> command for this?
>>>
>>
> On 06 Nov 2022, at 21:35, Björn Büchel via ffmpeg-user
> wrote:
>
> Hi Bouke,
> Thanks for the reply. You are right, that makes no sense. But this is what I
> found out.
> I checked the TC with Avid Media Composer as well as with Resolve and
> Premiere.
> In all three Apps the TC is iden
It’s no problem at all.
Btw, it’s very common to store progressive as interlaced, as broadcast still
requires interlaced material, no matter how it is shot.
From memory, just do a -c copy and you’ll end up with the source in a
progressive container.
Bouke
> On 05 Dec 2022, at 11:56, Steinar A
On 31 Dec 2022, at 10:41, Michael Koch wrote:
>
> Am 31.12.2022 um 10:31 schrieb Bouke / Videotoolshed:
>> On 31 Dec 2022, at 04:53, Gyan Doshi wrote:
>>> On 2022-12-31 08:15 am, David Niklas wrote:
Sorry for taking so long to reply.
It is not working. Terminal output below.
Bonus points if you get the reference.
I also like the smell in the afternoon, and evening, and night.
(Hunting targets.)
IOW:
SHUT UP
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> On 7 Feb 2023, at 11:05, Alexander Bieliaev via ffmpeg-user
> wrote:
>
> I am processing audio chunks programmatically by using the ffmpeg library
> for C#. First I divide the input audio of .wav format into chunks of 1
> minute each (I can't process the whole audio for specific reasons), the
Oh wait...
>
>> then I get raw PCM of each chunk and replace some parts of PCM with sine
>> wave data (adding beeps) and then I transform that PCM chunks to mp3 chunks
>> and write those to stream. The final process of concating audio parts is *NOT
>> *performed by ffmpeg, I just write data chunks
On 14 Mar 2023, at 13:07, Phil Rhodes via ffmpeg-user
wrote:
>
> Also, it depends what you mean by 50% of the resolution. If your original
> video is 100x100 pixels and you reduce it to 50x50, then you have half the
> resolution, but you only have one quarter the pixels.
But, the image will s
> On 14 Mar 2023, at 14:03, Natalia Molinero Mingorance
> wrote:
>
> what do you mean by " Why is the output size important if you use -preset
> ultrafast? “
That will mean quick and dirty encoding, at the cost of a higher bitrate.
-preset slow will make the file significant smaller, at the c
Top posting, as my mail client does now allow for decent parsing, and I’m fed
up with that.
My command to create ‘’proper” XDcam HD 50Mb, as required by the broadcasters
here.
Read between the filenames, it does work.
/Applications/ffmpeg -hide_banner -threads 0 -i /Users/bouke/yadda.mov -f lav
> On 19 Dec 2023, at 17:16, Erik Dobberkau wrote:
>
>>
>> Trust me, this command (besides audio parsing, depending on sources) has
>> made thousands of broadcast compliant files over here, where XDCAM is also
>> mandatory.
>>
>
> Does that mean the issue mentioned here:
> https://www.mail-a
> On 26 Dec 2023, at 21:13, Mark Filipak wrote:
How about stopping trolling if you know it all?
The ‘imdb’ in your mail address makes you an even bigger jerk.
Bouke
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> On 14 Jan 2024, at 21:22, Carl Zwanzig wrote:
>
> On 1/13/2024 10:26 PM, Mark Filipak wrote:
>> For example:
>> -ss 20.061708 -to 5570.815250
>> would be
>> -frametrim 481..134046
>> meaning frame 481 thru frame 134046.
>
> Although IME it much more common to specify the frame number after a
> I'd pay $25/month to belong.
I pay 25 bucks for each troll head.
(Or 50 per ball, makes for more fun)
Bouke
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>
> On 19 Feb 2024, at 18:47, Mark Filipak wrote:
>
> I'm not writing a book.
> That's something someone made up.
Yes, the ’someone' was you. Search the archives.
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> On 19 Feb 2024, at 19:04, Mark Filipak wrote:
>
> On 19/02/2024 12.59, Bouke / edit 'B wrote:
>>>
>>> On 19 Feb 2024, at 18:47, Mark Filipak wrote:
>>>
>>> I'm not writing a book.
>>> That's something someone made up.
>
> On 19 Feb 2024, at 19:14, Mark Filipak wrote:
>
> On 19/02/2024 13.11, Bouke / edit 'B wrote:
>>> On 19 Feb 2024, at 19:04, Mark Filipak wrote:
>>>
>>> On 19/02/2024 12.59, Bouke / edit 'B wrote:
>>>>>
>>>>>
> On 26 Mar 2024, at 09:57, computermaster360
> wrote:
>
> I want to loop a short wav sample, which is an 8-bar melody:
>
>ffplay -loop 0 sample.wav
>
> There is a small, but perceptible delay between individual playbacks
> of the sample, which throws the melody off. Is there a way to ma
For my work I try an install of FFmpeg by running it without any params.
It used to be that the return would include ‘Hyper fast’.
However, the current binaries from Gyan do not include that, but state
‘Universal media encoder’.
What would be a good, future proof way of testing if FFmpeg is inde
> On 9 Apr 2024, at 13:45, Gyan Doshi wrote:
>
>
>
> On 2024-04-09 02:46 pm, Bouke / edit 'B wrote:
>> For my work I try an install of FFmpeg by running it without any params.
>>
>> It used to be that the return would include ‘Hyper fast’.
>> Ho
This cam writes Mp4 without a QuickTime timecode track, but it does write
’something’ that ’should’ be (about) correct. (It’s a known issue it’s off by
one or two frames when slaved.)
ffprobe -v error -print_format json -show_format -show_streams
/Users/bouke/Downloads/Sony\ FX3/PRIVATE/M4ROOT/
Do not feed trolls.
> On 16 Jun 2024, at 15:56, Carl Zwanzig wrote:
>
> On 6/16/2024 2:33 AM, Binarus wrote:
>> to solve your problem.
>
>> ... for the same reasons that annoy you
>
>> However, your behavior ... Do you really ...to communicate with you
>
>> I strongly advise you to
You are feeding a thread that should not exist, so you, z!, are also feeding
trolls.
Stop, just stop.
> On 16 Jun 2024, at 16:00, Carl Zwanzig wrote:
>
> On 6/16/2024 6:58 AM, Bouke / edit 'B wrote:
>> Do not feed trolls.
>
> How is calling out the use of top p
> On 17 Jun 2024, at 08:26, Binarus wrote:
>
> On 16.06.2024 15:58, Bouke / edit 'B wrote:
>> Do not feed trolls.
>
> Do you mean me?
Of course not!
>
> Then please show where you think I have behaved like a troll. Since I have
> begun using the intern
May I suggest that MacFH - C E Macfarlane - News
Is in fact Mark Fillipak with an alternative e-mail address?
I could be wrong of course, but please, proof me wrong.
How to klll a troll?
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Well, why don’t you seek some professional help and get some drugs for your
anger problems?
> On 20 Jun 2024, at 01:20, Reindl Harald wrote:
>
>
>
> Am 20.06.24 um 01:16 schrieb Bouke / Videotoolshed:
>> Harald, I was not talking to you, nor do I have any interest in what you
>> have to say
> On 21 Jun 2024, at 13:09, Paul B Mahol wrote:
>
> On Fri, Jun 21, 2024 at 12:28 PM Bouke / Videotoolshed <
> bo...@videotoolshed.com> wrote:
>
>> My version (from evermeet.cx)
>> ffmpeg version 6.1.1-tessus https://evermeet.cx/ffmpeg/ Copyright (c)
>> 2000-2023 the FFmpeg developers
>> bui
On 21 Jun 2024, at 15:25, Paul B Mahol wrote:
>
> Newer ffmpeg version needs for drawtext filter libharfbuz lib support to
> get improved rendering.
So why does that not show in the banner?
And I still don’t get it, as Evermeet states:
FFmpeg binaries are compiled with the following options and
> On 30 Jun 2024, at 14:43, Michael Koch wrote:
>
> Am 30.06.2024 um 14:22 schrieb Media Mouth:
>>
Which microcontroller are you using?
>>> Either Teensy LC or Seeed Xiao SAMD21. They both have a built-in DAC.
>>> In the meantime I found that "Sonic Visualiser" can open WAV and export CSV
Pff, copy / paste from a Hex editor would do the trick, and then, a C coder
need to fall back to this raises eyebrows.
Bouke
> On 5 Jul 2024, at 17:29, Danny Mitchell wrote:
>
> On Sun, 30 Jun 2024 at 15:38, Michael Koch
> wrote:
>>
>> Hi,
>>
>> is it possible to convert an audio waveform
> On 17 Aug 2024, at 22:33, Ulf Zibis wrote:
>
>
> Am 17.08.24 um 22:10 schrieb Bouke / Videotoolshed:
>> ..., it will be ‘another’ file with the same name.
> And WHAT then happens with the original file, when write creates ANOTHER file
> ???
Do not misquote me, and do not remove important p
> On 29 Oct 2024, at 14:15, Flopsy wrote:
>
> On 29/10/2024 10:46 pm, Bouke / edit 'B wrote:
>> Smells like someone is soring by alphabet.
>>
>> Test it yourself after renaming the files 0001.mkv and 0002.mkv
>> See what happens then.
>
> Thank
> On 29 Oct 2024, at 13:39, Flopsy wrote:
>
> Hi!
>
> I'm trying to concatenate these two single frame videos
> [https://files.catbox.moe/v85pqy.zip], but they always end up in the wrong
> order.
>
> I've tried with the following command:
>
>> ffmpeg -y -f concat -i filelist.txt -c copy out
> On 12 Nov 2024, at 20:35,
> wrote:
>
> Hello,
>
>
>
> I usually use 4K Video Downloader to download videos from YouTube channels I
> subscribe to. A couple of the channels I keep an eye on have a really bad
> practice of giving their videos really bad names that are extremely long and
>
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