Re: [FFmpeg-user] Wave channel split is very slow

On 24 Feb 2024, at 12:37, Paul B Mahol wrote: > > On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < > bo...@videotoolshed.com> wrote: > >> Trying to split a 64 channel 48Khz 24 bits Wave file. >> That is VERY slow. >> >> ffmpeg -i /Volumes

[FFmpeg-user] Wave channel split is very slow

Trying to split a 64 channel 48Khz 24 bits Wave file. That is VERY slow. ffmpeg -i /Volumes/Data/magweg/64channel.wav -filter_complex "[0]pan=mono|c0=c0[tr0]" -c:a pcm_s24le -map "[tr0]" /Volumes/Data/magweg/64_test/out_1.wav Runs at about 15x But if I do all 64 in one pass, it slows down to

Re: [FFmpeg-user] Packet corrupt on cut, notice on concat

> On 19 Feb 2024, at 19:23, Reindl Harald wrote: > > > > Am 19.02.24 um 19:20 schrieb Bouke / edit 'B: >> My most sincere apologies to the list. >> I have a mental condition that forces me to indulge in these kind of >> discussions, while it is clearly pointless. >> Sorry for the waste of

Re: [FFmpeg-user] FFmpeg Architecture (was: Codec copy with -ss before -i and after -i is not documented)

Even though I used the word "or" in my post, the use of any of the architectural techniques can be mixed. On the subject of you being a troll, you wrote that you posted no more than 6 posts a year. That turns out to be ‘a day’ Go away, or at least shut up.

Re: [FFmpeg-user] Why are these different?

So do you, so why ask the question? Now go away! > On 11 Feb 2024, at 19:05, Mark Filipak wrote: > > On 11/02/2024 13.00, Bouke / Videotoolshed wrote: >> Stop trolling. >> Read in on the subject. You want to write a FFmpeg manual? >> Go away, don’t spam the res

Re: [FFmpeg-user] Why are these different?

Stop trolling. Read in on the subject. You want to write a FFmpeg manual? Go away, don’t spam the rest of us. > On 11 Feb 2024, at 18:47, Mark Filipak wrote: > > Command 1: > ffmpeg -ss 10 -copyts -i this.m2ts -map 0 -c copy -sn -dn -muxdelay 0 > that.m2ts > Command 2: > ffmpeg -copyts -i

Re: [FFmpeg-user] Towards better trims & concatenations

> For clarity, I wasn't accusing you of lying and it certainly wasn't my > intention to imply that; my apologies if it sounded that way! Don’t feed the trolls ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] FFmpeg default processing(invisible processing)

> On 19 Dec 2023, at 17:24, Erik Dobberkau wrote: > >> >> @Shuto: I'm sure you've noticed already that you will want to adjust the >> frame rate (option "-r"). But I'm not sure if that does also require an >> adjustment of the -bufsize . >> > > @Bouke: and it works without explicitly

Re: [FFmpeg-user] ffmpeg and use of the ildct flag in progressive encoding

> On 17 Dec 2023, at 20:44, Nik Armstrong wrote: > > On 2023-12-16 15:01, Erik Dobberkau wrote: >> The ildct flag appears only to be making the output file "think" it is >>> interlaced, when it is, in fact, progressive. It does not seem to be doing >>> anything to change the footage

[FFmpeg-user] Directshow capture and irregular timing of output to StdErr

Trying to build a metering tool that displays (almost) RT values. On Mac, all works fine with AVfoundation, but on Win with Directshow I have an issue: C:\Users\Bouke>ffmpeg.exe -nostats -f dshow -ar 48000 -i audio="Line (Steinberg CI2)" -filter_complex "ebur128=peak=true" -f null - Now, this

Re: [FFmpeg-user] ebuR128 display of live source

> > On 1 Mar 2023, at 11:53, Bouke / Videotoolshed > wrote: > > Hi, > Trying to get a visualisation of my levels during record / stream. > This works fine for file based material: > > ffplay -f lavfi -i > "amovie=/Users/bouke/Downloads/test.wav,ebur128=v

[FFmpeg-user] ebuR128 display of live source

Hi, Trying to get a visualisation of my levels during record / stream. This works fine for file based material: ffplay -f lavfi -i "amovie=/Users/bouke/Downloads/test.wav,ebur128=video=1:meter=18:target=-16 [out0][out1]" But I would like to have a live source (I’m on Mac, AVfoundation I

Re: [FFmpeg-user] Multiline subtitles without thin dark line

Hi Steinar, >> > > I know it's due to overlapping boxes. I cannot find anything in the ASS > specs. or the subtitles filter to alter the line spacing. I would be very > happy if your confidence could point me to the right setting ;-) I would if I could, but sorry, that’s beyond my capability.

Re: [FFmpeg-user] Multiline subtitles without thin dark line

> On 15 Feb 2023, at 13:21, Steinar Apalnes wrote: > > Hi, > > I want to create subtitles with multiple text lines using BorderStyle=3 in > order to have the background color adapt to the length of each line. The > problem is that I get a thin dark line between every text line. You do not

Re: [FFmpeg-user] Any way to estimate moov_size in mov/mp4?

> On 10 Feb 2023, at 11:40, Stefan Oltmanns wrote: > > Hello, > > ffmpeg allows to set a reserved space for the moov at the beginning of > the file using the "-moov_size" option. > This will waste some space, but prevent the (in some cases very > time-consuming) second pass of "-movflags

Re: [FFmpeg-user] Create a black box over top of the video for a set duration at a set time.

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. >> >> % ffmpeg -i Ducksinarow.mp4 -filter_complex >> "[0:0]drawbox=color=black:t=fill=enable='between(t,1.0,2.0)'" -c:a

Re: [FFmpeg-user] Create a black box over top of the video for a set duration at a set time.

On 23 Dec 2022, at 22:55, David Niklas wrote: > > Hello, > What I'd like to achieve is sort of like censoring, but with a black box. > > I can find plenty of examples of how to add a black box to a video, but > the problem is it is always either the whole video, or only at the > beginning/end,

Re: [FFmpeg-user] Ubuntu 22.04 audio capture issue

> On 30 Nov 2022, at 17:17, Carl Zwanzig wrote: > > Doubtful, IME. I enjoyed it, even showed some to my GF. Bouke ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] How to reduce interlace artifacts while trancoding to mp4

> On 12 Nov 2022, at 01:46, Ulf Zibis wrote: > > Hi, > > I have transcoded a avi video to mp4 for compressing by factor 8. Now I see > interlace artifacts. E.g. the eagle in the back window of the bus or the > fence in the background. > Additionally I would like to reduce the noise for even

Re: [FFmpeg-user] ffserver

> On 10 Nov 2022, at 14:22, david stephen wrote: > > ffserver is not someone that speciality in audio/video. u just need to Well David, I have no clue what this is about, but with you write ‘u’ instead of ‘you’, you have lost all my respect. Not signing your post with your name tops it off.

Re: [FFmpeg-user] Wrong TC read with doubled Framenumber read out when input is 50p

> > On 6 Nov 2022, at 08:42, Björn Büchel via ffmpeg-user > wrote: > > Hi, when I pass a 50p h264 or h265 Video to "ffmpeg -i" without any further > code the console shows the "TC In" of the Video. But the Frame coloumn of the > File is doubled so the output has the wrong TC. > e.g. >

Re: [FFmpeg-user] 16:9 to 2.35:1 and true HD 7.1 to DTS

> On 3 Nov 2022, at 22:55, Carl Eugen Hoyos wrote: > > 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

Re: [FFmpeg-user] encode to RAW video

> 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? > > RAW Image file is, > resolution - 1600x1300 > fps-30 > bit

Re: [FFmpeg-user] Raw video conversion

WTF, I did NOT, I repeat, NOT write the message below. And my mail has not been hacked, so what is going on? Bouke > On 8 Jul 2022, at 12:17, Bouke / Videotoolshed > wrote: > > Please provide full command and console output, and do NOT top post here! >> >> I have a

Re: [FFmpeg-user] Raw video conversion

Please provide full command and console output, and do NOT top post here! > > I have a raw video file captured from the monochrome camera, I need to > convert the raw video file to visualise it in .avi or .mp4. > I tried this command, but this did not worked out to me, > ffmpeg -f rawvideo

Re: [FFmpeg-user] How come after update, it takes so longer, many more process

> On 8 Jul 2022, at 04:23, Budi wrote: > > $ ffmpeg -i "b.mp4" -to 0:2:20 a.mp4 > > > used to do it nicely done in few seconds FFmpeg -i "b.mp4" -to 0:2:20 -c: copy a.mp4 Mind the codec copy. If you omit that, FFmpeg will transcode, resulting in speed and quality loss. Bouke

Re: [FFmpeg-user] Make white of photo transparant

Pff, make it an option. Finding someone who knows this stuff is less work than this shit, including the top post flaming. Boukee use: https://videotoolshed.wetransfer.com/ > On 29 Jun 2022, at 13:19, Cecil Westerhof via ffmpeg-user > wrote: > > Bouke / Videotoolshed

Re: [FFmpeg-user] Make white of photo transparant

> On 29 Jun 2022, at 12:54, Cecil Westerhof via ffmpeg-user > wrote: > > Bouke / Videotoolshed writes: > >> No, sorry. But, hire an editor / designer to do this for you, >> results will be better / less pain. >> If you want to have it done for free, be my gu

Re: [FFmpeg-user] Make white of photo transparant

>> doing, and IMHO, FFmpeg is not the tool for this. > > A long time ago I tried to work with GUI programs, but I found them to > bothersome. Any half decent video editor / designer works with a GUI, WYSIWYG has been invented for a reason. Doing this without feedback only works in lab

Re: [FFmpeg-user] Make white of photo transparant

On 29 Jun 2022, at 01:48, Cecil Westerhof via ffmpeg-user wrote: > > > The background of the photo is white. Would it be possible to make > that transparent? (So where there is white, I do not see white, but > the video.) This is called Luma (or Luminance) key. Yes, it is possible, yes, it

Re: [FFmpeg-user] Large Sized output files recieved while encoding the audio

> On 20 Apr 2022, at 19:30, Shubham Tiwari wrote: > > Please accept my apology for putting a large size msg. I appreciate all the > help received. > > I have another example with similar behavior. The exact commands used are > below. The detailed output is attached in this email. > > *command

Re: [FFmpeg-user] DNxHD / DNxHR conversions for Avid

On 12 Apr 2022, at 21:24, Paul B Mahol wrote: > >> do cause an error on the Avid side if you drop them directly in an Avid >> MediaFiles/MXF folder If you want to use the MXF/xxx folders, you need special wrapped Avid MXF. The BBC has made a tool for that,

Re: [FFmpeg-user] Loudnorm or ebu?

Learn to live with it, as well as the flaming for top posting, as I’m about to receive. (Or not, if I tell I actually like it to be spanked by nerds.( Bouke > On 12 Apr 2022, at 19:02, CMG DiGiTaL wrote: > > I have noticed, from the harsh and uneducated answers, that the > distinguished >

Re: [FFmpeg-user] ffmpeg create wrong time information

> On 21 Dec 2021, at 19:37, Cecil Westerhof via ffmpeg-user > wrote: > > Cecil Westerhof via ffmpeg-user writes: > > After some experiments I solved it by putting -ss and -to behind -i > and not forgetting to alter the between values. > But this takes about a third more time. > Is there be

[FFmpeg-user] CRF and Preset in H265, am I loosing it?

I’ve always thought that setting -crf [x] determines the output quality, while (in the same line) -preset [x] affected the output file size. (Where faster speeds result in bigger output files at the same quality. But now this: https://trac.ffmpeg.org/wiki/Encode/H.265

[FFmpeg-user] rw_timeout trouble

Hi all, Strange issue: Trying to transcode MXF ‘while in the making’ with the rw_timeout option. It works on my end using Adobe Media Encoder for the MXF, but if Avid MC (on another computer that I don’t control) generates the MXF, the first video frame gets doubled, and a more than expected by

Re: [FFmpeg-user] 'image trails'

> On 08 Apr 2020, at 14:00, Mark Filipak > wrote: > > On 04/08/2020 07:48 AM, Bouke / VideoToolShed wrote: >>> On 08 Apr 2020, at 13:43, Mark Filipak >>> wrote: >>> >>> Paul, do you really think I have bad intent? >> you certain

Re: [FFmpeg-user] 'image trails'

> On 08 Apr 2020, at 13:43, Mark Filipak > wrote: > > Paul, do you really think I have bad intent? you certainly smell like Custom Sift, (a troll on another list.) Bouke ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Understanding how to use FFmpeg on macOS

> On 23 Mar 2020, at 11:29, Ted Park wrote: > > Hi, Hi all, since I’m the developer, (btw, @ Ted, this is the project you’ve helped me on with audio patchting), let me comment. > > You don’t need binaries to be signed to run on Catalina. If you can run > ffmpeg manually other programs

Re: [FFmpeg-user] more sound madness, looks SOLVED

> On 10 Mar 2020, at 07:28, Ted Park wrote: > >> ? Start is the same, but then I’m lost... >> >>> channelmap=map=0-0|1-1|2-2: >> This also confuses me. The order of the second and third mapping looks likes >> it comes from the 0 1 1 yadda at the beginning. >> But where is channel 0 from the

Re: [FFmpeg-user] more sound madness

> On 09 Mar 2020, at 07:16, Ted Park wrote: > > Hello, > >> Did you try it in Premiere, and got all the channels? Or open the output in >> old QT pro, and look at the properties. >> The last channels are disabled. If I enable them and save the file >> (destructive), a new MOOV atom is added

Re: [FFmpeg-user] more sound madness

> On 07 Mar 2020, at 18:05, Ted Park wrote: > > Hi, > >> Hi Ted, >> Sorry, I have no clue what you mean here, could you please elaborate? > I am not sure if this is accessible with ffmpeg, but in the track header, > usually only tracks with different alternate_group, or 0, can play at the >

Re: [FFmpeg-user] more sound madness

> On 07 Mar 2020, at 14:38, Ted Park wrote: > > Hi, > >> command below seems simple enough, and works, except that the last two audio >> channels (those coming from the second input) are muted in the metadata. >> (Meaning, the sound data is there, but QT atom has flagged them as >>

[FFmpeg-user] more sound madness

Hi all, command below seems simple enough, and works, except that the last two audio channels (those coming from the second input) are muted in the metadata. (Meaning, the sound data is there, but QT atom has flagged them as ‘inactive’.) From memory, Carl once said when I had similar problems:

Re: [FFmpeg-user] Channel mapping misery

> On 04 Mar 2020, at 12:06, Carl Eugen Hoyos wrote: > > Am Mi., 4. März 2020 um 12:02 Uhr schrieb Bouke / VideoToolShed > : > >> When I add one channel more to the previous command: (the wave file has 10 >> channels) >> >> -threads 0 -i /Volumes/Data/t

Re: [FFmpeg-user] Channel mapping misery

> On 04 Mar 2020, at 12:06, Carl Eugen Hoyos wrote: > > Am Mi., 4. März 2020 um 12:02 Uhr schrieb Bouke / VideoToolShed > : > >> When I add one channel more to the previous command: (the wave file has 10 >> channels) >> >> -threads 0 -i /Volumes/Data/t

[FFmpeg-user] Channel mapping misery

Hi all, Trying to do create files where I can control the audio channels. (From multiple, different sources.) I’ve got it ‘sorta kinda’ working: -threads 0 -i /Volumes/Data/test/C0092.MP4 -ss 1601.809541692 -i /Volumes/Data/test/068.WAV -map 0:0 -filter_complex

[FFmpeg-user] Strange TC on 50 FPS clips

Hi all, Getting strange TC readings on 50 FPS clips. FFmpeg reports timecode: 11:26:32:42 (And that corresponds with the frame counter in the start of the mdat atom.) Premiere reports 22:53:05:34 QT 7 and Avid (older version) 22:53:05:17 Now Avid and

Re: [FFmpeg-user] FFplay sync ext

> On 23 Nov 2019, at 17:06, Carl Zwanzig wrote: > > On 11/23/2019 7:41 AM, Bouke / VideoToolShed wrote: >> Why do you think frame accuracy is not possible? > > Because you didn't specify the time data available and "clock time" usually > means accurac

Re: [FFmpeg-user] FFplay sync ext

> On 23 Nov 2019, at 16:31, Carl Zwanzig wrote: > > On 11/23/2019 3:48 AM, Bouke / VideoToolShed wrote: >> Seeking a way to slave video playback to an external clock. >> (Meaning, jump to specific position and restart playing if the difference >> between current

[FFmpeg-user] FFplay sync ext

Hi all, Seeking a way to slave video playback to an external clock. (Meaning, jump to specific position and restart playing if the difference between current playback time and external clock is too big.) Now, FFplay seems pretty simple, but I cannot find anything to control it besides the

Re: [FFmpeg-user] Adding macrovision style copy protection to a theora video

On 19 Oct 2019, at 15:28, Carl Zwanzig wrote: > > And, of course, nothing will stop a user from aiming their camera at the > screen. This says it all. (I don’t like +1) Bouke ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Where to cut audio by video frame?

> On 10 Oct 2019, at 18:35, Felix Muster via ffmpeg-user > wrote: > > Hello > > > > I want to cut the audio from a scene of a movie (blu-ray 23.976 pfs). > > I want to create the cut from frame 2928 to 5177. > > Currently I don't know where I have to cut the audio to be accurate. > >

Re: [FFmpeg-user] Licensing ffmpeg

> On 23 Sep 2019, at 11:58, Henning Thielemann > wrote: > > > On Mon, 23 Sep 2019, kushal ghosh wrote: > >> "Use it commercially" means to use the binary as a part of an commercial >> application. So the takeaway is the compile it without those flags. Thanks >> for these pointers. I had gone

Re: [FFmpeg-user] Windows build starts slow on encoding

> On 15 Apr 2019, at 16:36, Moritz Barsnick wrote: > > On Mon, Apr 15, 2019 at 13:05:08 +0200, Bouke / VideoToolShed wrote: >> Latest Zeranoe builds (Windows) have a very long delay before starting >> transcoding. >> It seems not to be related on in/output codecs

Re: [FFmpeg-user] Windows build starts slow on encoding

> On 15 Apr 2019, at 13:06, Carl Eugen Hoyos wrote: > > 2019-04-15 13:05 GMT+02:00, Bouke / VideoToolShed : >> Latest Zeranoe builds (Windows) have a very long delay >> before starting transcoding. > > This sentence would indicate that you posted on the wrong >

[FFmpeg-user] Windows build starts slow on encoding

Latest Zeranoe builds (Windows) have a very long delay before starting transcoding. It seems not to be related on in/output codecs -c:v copy is fast as usual, as is just getting metadata (omitting output), but anything else has a delay of about 10 seconds (at least) between spitting out the

Re: [FFmpeg-user] Unable to identify flicker video

> On 10 Apr 2019, at 12:40, Carl Eugen Hoyos wrote: > > 2019-04-10 9:04 GMT+02:00, Bouke / VideoToolShed : > >> The OP may be referring to the Harding test. > > This would be ticket #2104 with a link to a possible future > video filter. > My gut feeling tells

Re: [FFmpeg-user] Unable to identify flicker video

> On 09 Apr 2019, at 21:06, Ted Park wrote: > > > >> On Apr 9, 2019, at 2:34 AM, saurav suman wrote: >> >> Hi Team, >> >> I have downloaded the latest FFmpeg.exe file from the FFmpeg website. The >> problem is FFmpeg is unable to identify the flickers present in the video. >> Flicker

Re: [FFmpeg-user] Growing file processing

> On 02 Mar 2019, at 18:39, Moritz Barsnick wrote: > > On Sat, Mar 02, 2019 at 11:02:03 +0100, Bouke / VideoToolShed wrote: >> Next, it is dog slow, sorta kinda defeating the whole idea. > > I thought the whole point was that the "receiving" ffmpeg was too fast,

Re: [FFmpeg-user] How to filter VHS cassette artifacts

> On 08 Dec 2018, at 11:34, Carl Eugen Hoyos wrote: > > 2018-12-07 20:33 GMT+01:00, Ulf Zibis >: >> Hi, >> >> I have a VOB-file, originally recorded from a VHS-Kassette. >> >> On the upper edge I see a black line from left to the middle. >> >> Approximately 5 lines

[FFmpeg-user] amid fails when there are more than 8 input channels (in one file)

Hi all, Strange thing, more than 8 channels give silent output: ffmpeg -i 9Ch_orMore.WAV -filter_complex "[0:0][0:0] amix=inputs=2,pan=mono|c0=c0+c1” -ac 1 mono.wav gives on errors whatsoever, but output is silent. Is this a bug or user error? thx Bouke signature.asc Description: Message

Re: [FFmpeg-user] Amerge trouble

> On 22 Nov 2017, at 06:32, Gyan Doshi <gyando...@gmail.com> wrote: > > > > On 11/19/2017 6:09 PM, Bouke / VideoToolShed wrote: > >>> ffmpeg -i HD422.mxf -i 8ch.wav -c:v copy -c:a pcm_s24le -filter_complex \ >>> "[1:a]channelsplit=channel_layou

Re: [FFmpeg-user] Amerge trouble

On 18 Nov 2017, at 17:24, Erik Dobberkau wrote: > > or if you want a single audio stream with 5 channels: > > ffmpeg -i HD422.mxf -i 8ch.wav -c:v copy -c:a pcm_s24le -filter_complex \ > "[1:a]channelsplit=channel_layout=7.1[a0][a1][a2][a3][a4][a5][a6][a7],\ >

[FFmpeg-user] Amerge trouble

Hi guys, Trying to do some audio patching from multiple input files, and output a QT or MXF with a poly soundtrack. Now this turns out to be a hell of a job, I can’t grasp the logic on how the patching works. Y\LTC_Convert\FF\ffmpeg -threads 1 -i V\!patch\test.mxf -ss 0. -i

Re: [FFmpeg-user] Qt audio tracks muted

> On 12 Nov 2017, at 16:54, Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > 2017-11-12 16:52 GMT+01:00 Bouke / VideoToolShed <bo...@videotoolshed.com>: >> When outputting QT with multiple audio tracks, on the first one is flagged >> as active. >> N

[FFmpeg-user] Qt audio tracks muted

When outputting QT with multiple audio tracks, on the first one is flagged as active. Now I found this documented, and ‘should’ be fixed, but it’s still the case. (And it’s bad, as Premiere ignores those tracks.) Anything I can do? Bouke ffmpeg -threads 2 -i V\patchTest\352_1157.MXF -map 0:0

[FFmpeg-user] Two frames trimmed of source start

Hi guys, Trying to do a simple transcode, but the output is missing 2 frames at the start. I can live with that, but the timecode is then off by 2 frames as well. How can I tell if the trimming will / will not occur so I can compensate the TC stamp? (Or even better, can I avoid the trimming?)

[FFmpeg-user] FFmpeg, please talk to me.

Guys, Trying to listen to FFmpeg output, and ‘sometimes’ strange things happen. On Windows 10, tried running FFmpeg from a batch file while redirecting the FFMpeg output to a file. Then, during it’s work, my work copies the file to a fresh one, open it and read the contents. When FFmpeg tells

Re: [FFmpeg-user] Scan EBU R128 filter only stream#0:1 ?

> On 25 Jul 2017, at 16:24, Nopidea wrote: > > Hello all, > > I try to scan mix stereo from video file with ffmpeg filter EBU R128. > My video file own 2 mix stereo channels (ch1/2 and ch3/4) > I don't found the ffmpeg command who scan EBU R128 only on channels 3/4. > > Do

Re: [FFmpeg-user] man ffmpeg absent

> On 18 Jul 2017, at 17:50, Moritz Barsnick wrote: > >> >> You guys really are a fucking joke, you know that. > > Now, that's an insult. To comedy as well. Note to self, don’t take a sip and start reading mail. On the other hand, it was time to clean my screen anyways.

Re: [FFmpeg-user] updating com.apple.quicktime.location.name & com.apple.quicktime.location.date

> On 27 Jun 2017, at 12:17, Mohamed Ali wrote: > > hi, Is there a way to update quicktime metadata ( > com.apple.quicktime.location.name & com.apple.quicktime.location.date) that > specified here >

Re: [FFmpeg-user] Mp3 segmentation fault, why? FIXED

> On 24 Jun 2017, at 17:27, Bouke / VideoToolShed <bo...@videotoolshed.com> > wrote: > >> A segmentation fault should usually not be your fault. It could be >> ffmpeg, it could be libmp3lame, or it could be some unfortunate >> exchange of libraries. >> &g

Re: [FFmpeg-user] Mp3 segmentation fault, why?

Hi Moritz > On 24 Jun 2017, at 17:18, Moritz Barsnick <barsn...@gmx.net> wrote: > > On Sat, Jun 24, 2017 at 16:41:09 +0200, Bouke / VideoToolShed wrote: >> Can someone please tell me what I’m doing wrong here? > > A segmentation fault should usually not be your

[FFmpeg-user] Mp3 segmentation fault, why?

Hi guys, Can someone please tell me what I’m doing wrong here? thx, Bouke Boukes-portable:~ bouke$ ffmpeg -i /Users/bouke/Desktop/Judith/OKC170614T09.WAV -filter_complex "[0:0][0:0] amix=inputs=2,pan=mono|c0=c0+c1" -ac 1 -codec:a libmp3lame /Users/bouke/Desktop/Judith/OKC170614T09.mp3

Re: [FFmpeg-user] Images to video under Windows

> On 22 May 2017, at 17:36, Wolfgang Hugemann wrote: > > Hey, > > I have a bunch of images that I want to convert into a video. These are, > however, not numbered consecuitively (not like 001.jpg, 002.jpg, ...). > > Well, I could make a copy of each and rename them in such a

Re: [FFmpeg-user] Avid opAtom trouble

not accepted/applied? Hi Jaka, Is this a question for me? I can't answer it, just took the latest Zeranoe build... thx, Bouke Jaka On 2 May 2017 at 17:37, Bouke (VideoToolShed) <bo...@videotoolshed.com> wrote: - Original Message - From: "Carl Eugen Hoyos" <ceffm...@g

Re: [FFmpeg-user] Avid opAtom trouble

- Original Message - From: "Carl Eugen Hoyos" <ceffm...@gmail.com> To: "FFmpeg user questions" <ffmpeg-user@ffmpeg.org> Sent: Tuesday, May 02, 2017 4:31 PM Subject: Re: [FFmpeg-user] Avid opAtom trouble 2017-05-02 14:46 GMT+02:00 Bouke (VideoToo

[FFmpeg-user] Avid opAtom trouble

Hi guys, Toying around with Avid opAtom mxf, generating test clips. When I look at the clip in Avid, the bin info shows a raster dimension of 1920x1088, pixel aspect ratio of 1.007 (expected 1920x1080 / 1.000) And of course, when editing the clip into a seqence, frameflex kicks in. same line

[FFmpeg-user] OGG metadata

Guys, Got an OGG file that is supposed to contain timecode. (It’s generated for transcription.) Output is below. Can someone shed some light on what I’m seeing? Is there indeed some time info there? If so, how to interpret it? (The file indeed seems catted from multiple shots.) thx, Bouke

Re: [FFmpeg-user] lut 3d trouble

Bouke VideoToolShed.com van Oldenbarneveltstraat 33 6512 AS Nijmegen +31 6 21817248 To send files, go here: https://videotoolshed.wetransfer.com/ > On 13 Mar 2017, at 12:46, Paul B Mahol <one...@gmail.com> wrote: > > On 3/13/17, Bouke / VideoToolShed <bo...@videotoolshed

Re: [FFmpeg-user] lut 3d trouble

> On 12 Mar 2017, at 19:26, Paul B Mahol <one...@gmail.com> wrote: > > On 3/12/17, Bouke / VideoToolShed <bo...@videotoolshed.com> wrote: >> >>> On 12 Mar 2017, at 15:49, Paul B Mahol <one...@gmail.com> wrote: >>> >>>> >&g

Re: [FFmpeg-user] Convert Audio Track To Numbers and Back

On 07 Mar 2017, at 03:43, Michele Monteferrante wrote: > > Sorry, > I was not clear. What I want is a function of time, a graph. > x: time in seconds > Y: amplitude in whatever format > This file must be a simple text file which,for example, I can plot with > Gnuplot and

Re: [FFmpeg-user] lut 3d trouble

> On 12 Mar 2017, at 15:49, Paul B Mahol wrote: > >> >> Boukes-portable:3d bouke$ ffmpeg -threads 0 -i >> /Users/bouke/Desktop/input.mov -vf >> lut3d=/Users/bouke/Desktop/LegalLuts/3d/Hard_Clip_Legal_3D.cube -y -an > > Where can this Hard_Clip_Legal_3D.cube can be found?

[FFmpeg-user] lut 3d trouble

Hi guys, Toying around on holiday, trying to apply a lut on OSX, having no luck. Is it my FFmpeg version? (I’m on very limited bandwidth at the moment, no option to download a recent version for the next days…) Any other stupid simple thing I’m missing? thx, Bouke Boukes-portable:3d bouke$

Re: [FFmpeg-user] ogg encoder always adds 128-255 extra samples

> On 02 Mar 2017, at 17:19, Basin Ilya wrote: > > You can't concatenate .wav files Huh? Uncompressed PCM seems easy enough to cat, and I have done so a zillion times with FFmpeg… Bouke ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Video and Audio is off-sync on Decklink SDI output

> On 22 Feb 2017, at 23:32, Tung Tran wrote: > > Dear all > > I am testing to setup a decoder with ffmpeg, take live stream in > (RTMP/HLS,.) and output to Decklink SDI. > Its working but I have the issue of audio and video is off-sync on decklink > SDI output, I tried to

Re: [FFmpeg-user] Need help generating field based Program Stream

- Original Message - From: "kumar vikram" Hello All, I am having a Program stream which has progressive sequence. I want to convert this stream to Field based PS files. I have used the following command ffmpeg.exe -y -i INPUT -c:v mpeg2video -flags +ildct+ilme

Re: [FFmpeg-user] ffmpeg and handler_name in a mov

> On Dec 7, 2016, at 15:42, David Cecco wrote: > > Is there any way to change the handler_name metadata field in a mov file? I > am trying to avoid having a Final Cut Pro message pop up regarding media > optimisation. > > Here is what I am currently trying: > > ffmpeg -y -i

Re: [FFmpeg-user] Sony FS7 AVC long group rewrap trouble

> On Nov 13, 2016, at 18:52, Carl Eugen Hoyos <ceffm...@gmail.com> wrote: > > 2016-11-13 11:49 GMT+01:00 Bouke (VideoToolShed) <bo...@videotoolshed.com>: > >> ffmpeg.exe -fflags +genpts -i K:\mxftest\test4\clip001.MXF -t 10 -codec >> copy -map 0:0 -

[FFmpeg-user] Sony FS7 AVC long group rewrap trouble

Hi guys, Got trouble rewrapping Sony MXF clips to something else. (Main goal is to change TC / alter sound a bit) If I go to Mov, the result is a green image in both Avid and Premiere. (Tried -vtag avc1 / aivx, but that seems to do nothing...) If I go to MXF, the video is heavilly distorted /

Re: [FFmpeg-user] Green screen

would I do that? Hi Cecil, You don't want to do this with FFmpeg. Lighting a green (or blue) screen set is difficult already, and you want to have a zillion tools at your fingertips to get a decent end result. Get a proper posthouse to do this for you. (I happen to run one :-) Bo

Re: [FFmpeg-user] stabilisation

- Original Message - From: "Carl Eugen Hoyos" To: Sent: Tuesday, May 10, 2016 1:13 PM Subject: Re: [FFmpeg-user] stabilisation edouard chalaron xtra.co.nz> writes: when using -vf "deshake" a black frame is coming separating the original

[FFmpeg-user] Segment sound to multiple Waveform images

Hi guys, Trying to split a soundfile to generate multiple audio waveform images. ffmpeg.exe -i K:\test\test.wav -f segment -segment_time 8 -filter_complex "aformat=channel_layouts=mono,compand,showwavespic=s=640x120" -f image2 K:\test\test_%03d.png However, this gives me just one file,

Re: [FFmpeg-user] Arvato proxy file

- Original Message - From: "Carl Eugen Hoyos" <ceho...@ag.or.at> To: <ffmpeg-user@ffmpeg.org> Sent: Friday, January 15, 2016 11:06 AM Subject: Re: [FFmpeg-user] Arvato proxy file Bouke (VideoToolShed videotoolshed.com> writes: This file comes from an Arvat

[FFmpeg-user] Arvato proxy file

Guys, Have a testfile that won't play nice. This file comes from an Arvato asset management system. AFAIK, it's a 'growing' file, that 'should' be playable while it's still being created. FFmpeg (Latest Zerano build, ffmpeg-20160114-git-62dfe1d-win64-static) does not like it, and it tells me

Re: [FFmpeg-user] Why is it possible to set a timecode with 24:00:00:00 and beyond?

> On Jan 13, 2016, at 14:17, Robert Krüger wrote: > > On Wed, Jan 13, 2016 at 12:53 PM, Christoph Gerstbauer < > christophgerstba...@gmail.com> wrote: > >> FFmpeg allows me to set a timecode of 24:00:00:00 and beyond. >> >> e.g "-timecode 24:00:00:00" >> >> When I make

Re: [FFmpeg-user] Grab stills on scene change math question

Hi Moritz, Thanks! Hi Bouke, On Tue, Aug 25, 2015 at 13:00:40 +0200, Bouke (VideoToolShed) wrote: assuming that gt(scene\,0.4) will return a number that I could do math on, but this fails. ffmpeg's expressions give the select filter a true/false (take or don't take this frame) decision

Re: [FFmpeg-user] ProRes - MPEG2 bug: color shifting?

Original Message - From: linxs lin...@gmail.com To: FFmpeg user questions ffmpeg-user@ffmpeg.org Sent: Thursday, August 13, 2015 7:21 AM Subject: [FFmpeg-user] ProRes - MPEG2 bug: color shifting? Hi, I need helps for color shifting. Is it bug? or I am wrong with the usage? I get a

Re: [FFmpeg-user] ffmpeg blue ray iso

- Original Message - From: Moritz Barsnick barsn...@gmx.net To: FFmpeg user discussions ffmpeg-user@ffmpeg.org Sent: Wednesday, June 17, 2015 11:53 PM Subject: Re: [FFmpeg-user] ffmpeg blue ray iso On Wed, Jun 17, 2015 at 17:31:56 +0200, Bouke (VideoToolShed) wrote: But you can use

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