Re: [FFmpeg-user] How to preserve file time

2024-08-21 Thread Nicolas George
ync is a synchronization tool, and synchronizing without altering is a very important feature. > (*) Well, in theory you can use FFmpeg to make a 1:1 copy (-map 0, > same container), but even then details will usually be different Add -f data and you will have an exact bina

Re: [FFmpeg-user] How to preserve file time

2024-08-15 Thread Nicolas George
plaining the details is not in topic for this mailing-list. -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] How to preserve file time

2024-08-15 Thread Nicolas George
Ulf Zibis (12024-08-14): > But for convenience FFmpeg CLI provides option `-y` for this task No, it does not. The -y option only disables a very simple, unreliable but convenient safety measure. It does not delete anything. -- Nicolas Geo

Re: [FFmpeg-user] Transform dvdsub to png

2024-07-22 Thread Nicolas George
ing: the trick is to get the subtitles into a filter chain, so that ffmpeg converts it to video: the showinfo filter should be enough to force the conversion. Also, do not forget -vsync vfr, otherwise the image2 muxer will be duplicating the frames. > Le dim. 21 juil. 2024 à 13:57, Nicolas George

Re: [FFmpeg-user] Transform dvdsub to png

2024-07-21 Thread Nicolas George
video. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Lossless concatenation of 2 MP4 files with video and multiple audio streams plus subtitles and chapter markers

2024-07-13 Thread Nicolas George
does not read chapters from the concatenated files, but it can get chapters from the concat script. In the short term: extract chapters from each input file and use your favorite language to turn them into lines suitable for the concat script. In the long term: patch welcome. Regards, --

Re: [FFmpeg-user] Question about video codecs : libx264 vs libx265

2024-03-31 Thread Nicolas George
he gain in size. 1: You might think you can get it with AI, but it only seems better quality. If you do it too much, like if you are trying to catch the face of a replicant reflected on a whisky glass, what you will get is bits of series from Amazon Studios in your videos. Regard

Re: [FFmpeg-user] srt subtitle to dvbsub for mpegts stream

2024-02-28 Thread Nicolas George
Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Trouble with ffmpeg ... -f tee and specific encodings per output

2024-02-22 Thread Nicolas George
d to your needs. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] FFmpeg interrupted (SIGSTOP signal) but pipewire shows its node is still running

2024-02-05 Thread Nicolas George
it to the authors of pipewire. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with s

Re: [FFmpeg-user] The Guild

2024-02-05 Thread Nicolas George
good project to have fun hacking on. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org

Re: [FFmpeg-user] FFMPEG filter_complex overlays work well on windows but generates error on Linux and OSX

2023-12-22 Thread Nicolas George
onsole output. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-use

Re: [FFmpeg-user] kmsgrab and audio problem

2023-12-11 Thread Nicolas George
ratis and without any warranty? You are owed nothing here, you are asking for help, so please keep it civil. And do not top post. -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To un

Re: [FFmpeg-user] Which file formats can hold image subtitles (dvdsub) without other streams

2023-12-04 Thread Nicolas George
bbb (12023-12-04): > When I try to use mkv it insists on having a > video stream (... figures). Hi. I do not observe that. Please show your command line. Regards, -- Nicolas George ___ ffmpeg-user mailing list

Re: [FFmpeg-user] framecrc

2023-11-13 Thread Nicolas George
Mark Filipak (12023-11-13): > If input PTSs & DTSs shouldn't be changed, then what use is > '-bsf:v setts=pts=:dts='? They are for people who know what they are doing. -- Nicolas George ___ ffmpeg-user mailing li

Re: [FFmpeg-user] Seeking Efficient Video Redaction Using FFMPEG with Limited Memory Usage

2023-11-07 Thread Nicolas George
lot more, because larger graphs tend to be deeper too. This is not unavoidable, this part would be rather easy to optimize. -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.

Re: [FFmpeg-user] Requesting colormatrix advice

2023-11-07 Thread Nicolas George
ly, both Phil and Mark have repeatedly shown they had no intention of making any effort themselves, their policy is to expect somebody to do the job for them gratis and insult the project when that does not happen. Regards, -- Nicolas George signature.asc Descripti

Re: [FFmpeg-user] missing meta data in ffprobe output from mp4 format

2023-10-23 Thread Nicolas George
Greg Oliver (12023-10-20): > I have never used ffprobe before, but I have seen countless messages > on this left with regards to it not being closely maintained and > recommendations to use other software to query media information. It is the other way around. Regards, -- Nicol

Re: [FFmpeg-user] No compiled with -fPIC for libavcodec/aarch64/vp9mc_16bpp_neon.S

2023-09-12 Thread Nicolas George
file, for which C compilation do not apply. > On Tue, Sep 12, 2023 at 5:22 PM Reindl Harald > wrote: Top-posting is forbidden on these lists. If you want help, stop doing it; look it up if you need. Regards, -- Nicolas George ___ ffmpeg-user m

Re: [FFmpeg-user] Write audio volume info to file

2023-02-16 Thread Nicolas George
FFmpeg. > On Thu, Feb 16, 2023 at 1:44 PM Michael Koch > wrote: Top-posting is forbidden on FFmpeg lists; if you do not know what it means, look it up. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffm

Re: [FFmpeg-user] Resizing ffplay window with fixed aspect ratio

2022-12-23 Thread Nicolas George
art. -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Piping from FFmpeg to FFplay

2022-11-13 Thread Nicolas George
Michael Koch (12022-11-13): > I can't find - without any following characters in the FFmpeg or FFplay > documentation. This is not specific to FFmpeg: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap12.html#tag_12_02 Regards, -- Nicolas George signature.asc

Re: [FFmpeg-user] ffserver

2022-11-09 Thread Nicolas George
rds people around you.) I would also suggest you use a mail software that does not break threads, but it will not matter much anyway. -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user

Re: [FFmpeg-user] encode to RAW video

2022-11-02 Thread Nicolas George
cles, what you describe is not possible on top of being useless. What happens is just that the second -c:v option will override the first one. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailma

Re: [FFmpeg-user] concat, "Too many invisible frames"

2022-08-21 Thread Nicolas George
n't work on these > files what I can see/implement ... (?) > > $ ffmpeg -y -i $src1 -c copy -bsf:v h264_mp4toannexb -f mpegts $dst1 > > [h264_mp4toannexb @ 0x55c9452bcc80] Codec 'vp9' (167) is not > supported by the bitstream filter 'h264_mp4toannexb'. > Suppor

Re: [FFmpeg-user] concat, "Too many invisible frames"

2022-08-20 Thread Nicolas George
x27;t that, then why? I suspect some formats just have too complex features to allow for simple concatenation. concat is not guaranteed to work with streams that have different parameters. There is no way around that without transcoding. To normalize, use the concat filter and transcode. Sorry

Re: [FFmpeg-user] concat audio files

2022-06-11 Thread Nicolas George
Michael Koch (12022-06-11): > I always get this error message: > Stream specifier '' in filtergraph description [0][1]concat=n=2:a=1 matches > no streams. Where did you find this "[number]" syntax, and has it ever worked for you? Regards, -- Nicolas George s

Re: [FFmpeg-user] ffprobe does not render sdes tag field properly

2022-06-03 Thread Nicolas George
han the issue of international characters. But you did not tell how exactly you get this output, so I cannot say more. I suspect you are missing a lot of theoretical background necessary to achieve your goals. > Am 2022-06-03 11:36, schrieb Nicolas George: Top-posting is forbidden on this mail

Re: [FFmpeg-user] ffprobe does not render sdes tag field properly

2022-06-03 Thread Nicolas George
utputs. It seems your problem is that your terminal does not work in UTF-8. But you did not say which terminal you use, so I cannot help further. Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/m

Re: [FFmpeg-user] Multiple parts of a video

2022-05-29 Thread Nicolas George
Cecil Westerhof via ffmpeg-user (12022-05-29): > I am going to ignore you. Then I am going to ignore you. > Before I CAN USE concat I have the create the n cuts I need to put > into the concat. And it is easy to do. But do not count on my help. -- Nicolas George signature.asc De

Re: [FFmpeg-user] Can ffmpeg calculate the min and max bitrate of a video?

2022-05-04 Thread Nicolas George
clear for you: you should not run a script you found on a random web site, it would be a huge security risk. You need to understand the script and adapt it to your needs. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ff

Re: [FFmpeg-user] Extracting forced subtitles from a DVD.

2022-04-29 Thread Nicolas George
concat scripts: https://ffmpeg.org/ffmpeg-all.html#concat-1 > > On 2022.0428, at 16:19, Michael Mueck wrote: Please remember that top-posting is strictly forbidden on this list. Regards, -- Nicolas George signature.asc Description: PGP signature __

Re: [FFmpeg-user] Extracting forced subtitles from a DVD.

2022-04-28 Thread Nicolas George
generate a concat script to access the DVD hierarchy correctly using the dvd2concat script in the tools directory. It is entirely possible that doing so would fix your issue. Also, do not re-encode the subtitles, use -c copy, it will be more reliable. Regards, --

Re: [FFmpeg-user] Decoder output: Samples or renders?

2022-04-13 Thread Nicolas George
not capable of testing this very simple question by yourself? (These are rhetorical questions.) -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above,

Re: [FFmpeg-user] drawtext reload=N > 1?

2022-02-28 Thread Nicolas George
Gyan Doshi (12022-02-28): > This has come up before. I'll patch it to make it an interval. I do not think it is worth your effort: the cost of loading the file is negligible compared to the rest of the operations. Regards, -- Nicolas George signature.asc Description: PGP s

Re: [FFmpeg-user] how to avoid broken pi

2022-01-26 Thread Nicolas George
sh -c "dmesg" | zsh: done head -n 1 ssecem ~ $ sh -c "trap '' PIPE; dmesg" | head -n 1 [0.018123] On node 0, zone DMA32: 1580 pages in unavailable ranges dmesg: write error zsh: exit 1 sh -c "trap '' PIPE; dm

Re: [FFmpeg-user] Removing parts of a video using the select filter

2022-01-09 Thread Nicolas George
o get out of > sync. The select filter is very generic, and therefore not very robust. It does not update the timestamps, hence the need to update them afterwards. Furthermore, it works with whole frames, which can accumulate for audio. For your use case, consider the segment and c

Re: [FFmpeg-user] 5.1 + stereo

2022-01-03 Thread Nicolas George
sh this? The pan filter can do that easily. https://ffmpeg.org/ffmpeg-all.html#pan-1 Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffm

Re: [FFmpeg-user] Alternative to Dynamic Text

2021-11-09 Thread Nicolas George
ap with the reading. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpe

Re: [FFmpeg-user] toggle between two streams

2021-09-03 Thread Nicolas George
es to protect the commas. I will grant you it is not intuitive and very annoying, but it always can be made to work. -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/

Re: [FFmpeg-user] Decimal times to frame numbers

2021-08-21 Thread Nicolas George
argue that MP4 is a crappy format designed with more concern for pleasing big investors than with concern for good design. For careful examination of the output, NUT would be the most reliable. Regards, -- Nicolas George signature.asc Description: PGP signature __

Re: [FFmpeg-user] Decimal times to frame numbers

2021-08-21 Thread Nicolas George
g-list. Do not do it again if you want help. Look it up if you do not know what it means. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/f

Re: [FFmpeg-user] Decimal times to frame numbers

2021-08-19 Thread Nicolas George
perty of the frame, they will be preserved or converted by filters and storage. Frame numbers are not. If you have an issue with timestamps, please be more specific about it, there is no doubt it can be solved. Regards, -- Nicolas George signature.asc Description: P

Re: [FFmpeg-user] How to lossless crop mp4 videos

2021-08-16 Thread Nicolas George
it is possible. There are tools to do it with individual images, look up jpegtran. But with video codecs that use temporal compression, a visible part of the next image can depend on a cropped part of the current image, and that makes it impossible. Regards, -- Nicolas George signature.asc De

[FFmpeg-user] "proto,,option...,,:" feature

2021-08-14 Thread Nicolas George
Hi. Is somebody here using the "proto,,option...,,:" feature? I am considering removing it. If you do not know what I mean, do not bother, it means you do not. Regards, -- Nicolas George signature.asc Description: PGP signature ___ f

Re: [FFmpeg-user] -pix_fmt + pixel format conversions

2021-07-30 Thread Nicolas George
tly to see its output. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-use

Re: [FFmpeg-user] -pix_fmt + pixel format conversions

2021-07-29 Thread Nicolas George
le can be more suited, but I never looked at the specifics. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit

Re: [FFmpeg-user] Problem with concatenating converted mkv files with changed sample rate

2021-07-16 Thread Nicolas George
Mike Martin (12021-07-16): > Anyone any ideas what is happening? No. But you should not be concatenating after transcoding in the first place. Use the concat filter and encode everything once. Regards, -- Nicolas George signature.asc Description: PGP signat

Re: [FFmpeg-user] Modify i frame placement in videos

2021-07-15 Thread Nicolas George
On Thu, Jul 15, 2021 at 12:02 AM Nicolas George wrote: ... but learn what top-posting means, because it is forbidden here and you will not get useful help if you do it again. Regards, -- Nicolas George signature.asc Description: PGP signature ___

Re: [FFmpeg-user] Modify i frame placement in videos

2021-07-14 Thread Nicolas George
you will realize your exact need is somewhat different. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] Click-activated Stream Recording

2021-07-12 Thread Nicolas George
S. Helbig via ffmpeg-user (12021-07-12): > I'm wondering if there is a way for FFMPEG to handle click-activates > streams. I'm just experimenting at the moment. You are asking if FFmpeg contains a JavaScript engine. The answer is no. Regards, -- Nicolas George signature

Re: [FFmpeg-user] How to check if a youtube URL is valid before starting download?

2021-07-09 Thread Nicolas George
shell, file descriptors, redirections, etc., and come back to FFmpeg once this aspect of the issue is no longer a problem. For example, anybody skilled enough can tell that the reason "... 2>&1 > freezeoutput.txt" produces an empty file is that the order of the redirectio

Re: [FFmpeg-user] How to check if a youtube URL is valid before starting download?

2021-07-09 Thread Nicolas George
Christian Ebert (12021-07-09): > But for writing the log into a file look into ffmpeg's -report option, that's > what it's for. You can use it that way, but it is not what it is for. My advice for this thread: don't try to run before you can walk. Regards, -- Nico

Re: [FFmpeg-user] JPG/PNG images render in incorrect orientation in MP4 output file and can't be combined in same MP4 video

2021-07-08 Thread Nicolas George
and PNG image files in the same input text file. That is normal: # All files must have the same streams (same codecs, same time base, # etc.). Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-u

Re: [FFmpeg-user] 4K Way to large to stream

2021-07-01 Thread Nicolas George
to remember. Video encoding is a complex task. Your advice was sound: for archival, better keep the original. Do not recompress to gain a measly 25%. But for viewing, adapt the quality compromise to the viewing conditions. Regards, -- Nicolas George signature.asc Description: PGP signature __

Re: [FFmpeg-user] 4K Way to large to stream

2021-06-29 Thread Nicolas George
top-posting is forbidden on this list. Look it up. You are unlikely to get further useful help if you do it again. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https:

Re: [FFmpeg-user] 4K Way to large to stream

2021-06-28 Thread Nicolas George
much smaller video, and finish much faster too. Of course, I urge you to check the result to see if it matches your expectations. And to peruse the documentation to see what these option would do before doing it. Regards, -- Nicolas George signature.asc De

Re: [FFmpeg-user] Audio out of sync after video concatenation

2021-06-22 Thread Nicolas George
filter. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.or

Re: [FFmpeg-user] Python / Qprocess misfires commands.

2021-05-18 Thread Nicolas George
g, nor generic system programming. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-us

Re: [FFmpeg-user] “Real Time”, “Slow Motion” and “Time Lapse”

2021-05-10 Thread Nicolas George
has the same kind of difficulty than https://xkcd.com/1425/'s check whether the photo is of a bird. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mail

Re: [FFmpeg-user] Odd video output, playing RTSP on RPI

2021-05-02 Thread Nicolas George
schrotty (12021-05-02): > when i say "headless" i mean raspbian lite , without desktop. This is what people call "text mode" or "console". Headless is when there is no screen at all. Regards, -- Nicolas George signatu

Re: [FFmpeg-user] Decklink timestamp_align, what should it do?

2021-05-02 Thread Nicolas George
Bouke (12021-05-02): > Ok, but what is ' UTC modulo’ ? An incomplete formula. Like "UTC minus": UTC minus... what? UTC modulo... "UTC modulo timestamp_align", as a whole. Then read: https://en.wikipedia.org/wiki/Modulo Regards, -- Nicolas George signature.as

Re: [FFmpeg-user] Possible to change pitch of audio in a downloaded mp4 file?

2021-04-29 Thread Nicolas George
ion: "Adjust audio tempo.". Compare to what was suggested to you: >> Yes, this is possible with a combination of asetrate, atempo and >> aresample filters. You need to start paying attention. Regards, -- Nicolas George signature.asc D

Re: [FFmpeg-user] Possible to change pitch of audio in a downloaded mp4 file?

2021-04-28 Thread Nicolas George
what you tell it to do, it cannot read your mind. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link

Re: [FFmpeg-user] Credit Notes (bulk creation)

2021-04-28 Thread Nicolas George
it reads the content of the CSV (video > name and credits text) and processes them in a "more or less" > automatic way? Not with FFmpeg directly. But FFmpeg is a command-line tool, it plays well with other command-line tools. You just need to learn how to use them. -- Nicolas George

Re: [FFmpeg-user] How to filter time dependent

2021-04-23 Thread Nicolas George
Michael Koch (12021-04-23): > The crop filter could be used to change the x,y coordinates, with constant > output resolution. With timeline? Please elaborate? Regards, -- Nicolas George ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] How to filter time dependent

2021-04-23 Thread Nicolas George
Gyan Doshi (12021-04-23): > Strictly,  it's supported via -noautoscale (which you reviewed), but it's > not supported by (almost) any encoder. No, it is not *supported*, it is a fragile hack. *Supporting* resolution changes will require a lot more work. Regards, --

Re: [FFmpeg-user] How to filter time dependent

2021-04-23 Thread Nicolas George
Ulf Zibis (12021-04-23): > I already had checked that. Unfortunately, crop has no timeline support: How would that work? Enabling or disabling crop changes the output resolution, which is not supported by libavfilter. Regards, -- Nicolas Geo

Re: [FFmpeg-user] repair missing audio header

2021-04-19 Thread Nicolas George
means to completely remove a broken audio frame. Certainly not. Fixing in this case means creating a frame packet that would decode into the same PCM data while not triggering the error. Regards, -- Nicolas George signature.asc Description: PGP

Re: [FFmpeg-user] Plotting Circles and labels on individual frames of a movie

2021-04-08 Thread Nicolas George
uld be plotted > X: the x-coordinate > Y: the y=coordinate > LABEL: label for the point > > Also possibly important, there are multiple (many) particles for which > circles and labels need to be plotted on each frame. This looks like something ASS subtitles can do eas

Re: [FFmpeg-user] How to dynamically drop frames as required to keep transcoding real time?

2021-04-08 Thread Nicolas George
ealize that you are wasting your time by ignoring Carl Eugen's authoritative answer, right? If you want real help with your problem, start by stopping your top-posting. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmp

Re: [FFmpeg-user] Cut part of a video, crop it and blackout parts of it

2021-04-05 Thread Nicolas George
do. More computing power usually means lower bitrate for same quality. The keyword is "preset". Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/l

Re: [FFmpeg-user] 1080i AVC-I 100 frame rate conversion

2021-03-29 Thread Nicolas George
Phil Rhodes via ffmpeg-user (12021-03-29): > Are you contending that there is no such thing as video at 24000/1001 fps? Are you capable of understanding a simple phrase made of less ten words? -- Nicolas George ___ ffmpeg-user mailing list ffm

Re: [FFmpeg-user] 1080i AVC-I 100 frame rate conversion

2021-03-29 Thread Nicolas George
Phil Rhodes via ffmpeg-user (12021-03-29): > What? I have nothing to add to what I have written. Get a clue. -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mail

Re: [FFmpeg-user] 1080i AVC-I 100 frame rate conversion

2021-03-29 Thread Nicolas George
frame"); I think > this is the only place I see things like "3/1001". Yeah, engineers are no mathematicians. Their bad. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpe

Re: [FFmpeg-user] 1080i AVC-I 100 frame rate conversion

2021-03-29 Thread Nicolas George
Phil Rhodes via ffmpeg-user (12021-03-29): > For the sake of being really rigorously correct, yes, 24.0 or 24000/1001. Once again, you are wrong. The 1000/1001 factor is an artifact of color TV. -- Nicolas George signature.asc Description: PGP signat

Re: [FFmpeg-user] 1080i AVC-I 100 frame rate conversion

2021-03-29 Thread Nicolas George
Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org wit

Re: [FFmpeg-user] Some Questions on Time Delta between Frame Display and Frame Capture. Thoughts?

2021-03-22 Thread Nicolas George
rds, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] How to get he total number of frames

2021-03-12 Thread Nicolas George
ave already explained. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-r

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
Ulf Zibis (12021-03-09): > So for correctness, ffmpeg should report packets instead frames in its > progress output line, at least with -c copy ... or please correct me. Would you insist on people saying that the mailman brings envelopes instead of letters too? Regards, -- Nicolas

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
stream=nb_read_frames ^^^ ^^ Regard, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
ays equal > frame count? What might be pitfalls with this approach? The frame count could be different than the packet count with some codecs, indeed, but I am not aware of any specific case. Anyway, using -c copy gives the same result. Regards, -- Nicolas George signature.asc Description: P

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
u tried telling ffprobe to count packets? Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
but its output is meant for parsing. Your solution will break as soon as we change a tiny detail in the statistics line. Show us your complete command line and console output if you have trouble. Regards, -- Nicolas George signature.asc Description:

Re: [FFmpeg-user] FFmpeg list footer

2021-03-09 Thread Nicolas George
ervers and include a link. > . Delete all footers, sigs, other junk before replying. What makes you think the people who do not read the list guidelines and FAQ will read the list footer? Regards, -- Nicolas George signature.asc Description: PGP signature

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
her than being a little ugly, my way seems to yield the correct result > with any video. I like universal solutions, so I stuck with it, and > recommended it. FFprobe yields the correct result, and in a cleaner way. Just use it properly. Regards, -- Nicolas George signature.asc Descri

Re: [FFmpeg-user] How to get he total number of frames

2021-03-09 Thread Nicolas George
Peter White (12021-03-09): > If anybody on this list knows a better one, step up, please. ffprobe, of course. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org ht

Re: [FFmpeg-user] swr_convert from packed to planar

2021-03-07 Thread Nicolas George
t the API: https://lists.ffmpeg.org/mailman/listinfo/libav-user/ And if you expect help, you need to provide a modicum of information. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@

Re: [FFmpeg-user] Unable to sync audio and video

2021-02-28 Thread Nicolas George
t; Have you any suggestions about this strange behaviour? I am sorry, but I do not think I can help with that: I have no idea what these numbers are supposed to mean. In the meantime, I notice that you have not checked if you had buffer overruns in

Re: [FFmpeg-user] Unable to sync audio and video

2021-02-17 Thread Nicolas George
e origin of timestamps for that particular device. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above

Re: [FFmpeg-user] Unable to sync audio and video

2021-02-17 Thread Nicolas George
tion. At least until we have a proper event loop. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link a

Re: [FFmpeg-user] Unable to sync audio and video

2021-02-16 Thread Nicolas George
ere no threads are used. It is entirely possible this flowchart is not up to date or chose to gloss over implementations details that are not deemed relevant for the information expressed. The command line tool ffmpeg uses threads for inputs as soon as there are more than one. Regards, -- Nic

Re: [FFmpeg-user] Unable to sync audio and video

2021-02-15 Thread Nicolas George
d video match before encoding? Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmp

Re: [FFmpeg-user] "most insulting comment" [was: Re: Filter documentation -- PTSs]

2021-02-15 Thread Nicolas George
Jim DeLaHunt (12021-02-14): > Oh, my dear Carl Indeed, you managed to be even more insulting in just four words and half an hour. -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org ht

Re: [FFmpeg-user] Filter just the 1st audio channel of the input.

2021-02-03 Thread Nicolas George
l you want wherever you want in the graph. No need to completely split the channels, it was meant for versions that lack the pan filter. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user

Re: [FFmpeg-user] "instead of complaining, submit a patch" [was: Re: minterpolate problem]

2021-02-02 Thread Nicolas George
Chris Angelico (12021-02-02): > And Phil learned basic courtesy. You mistake the absence of profanity with courtesy. It is a common mistake. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffm

Re: [FFmpeg-user] Next Release

2021-01-26 Thread Nicolas George
gs based on Sid, or at least testing, is astounding. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit l

Re: [FFmpeg-user] Help with creating MP4 video with multiple audio tracks

2021-01-17 Thread Nicolas George
ap 1 -map 2 -map 3 -metadata:s:a:0 language=eng -metadata:s:a:1 > language=tam -metadata:s:a:2 language=tel -metadata:s:a:3 language=hin > -codec copy multilanguage.mp4 > > However, the output includes only the multiple audio tracks with no > video (0 kB) You have not mapped the vid

[FFmpeg-user] Discussion on API and infrastructure enhancement projects

2020-12-31 Thread Nicolas George
-December/274171.html - Event loop https://ffmpeg.org/pipermail/ffmpeg-devel/2020-December/274172.html Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman

Re: [FFmpeg-user] Public FFmpeg Docker images built with GitHub Actions

2020-12-07 Thread Nicolas George
you already are in break of FFmpeg's license;, you need to delete immediately any binary image built with the --enable-nonfree. Regards, -- Nicolas George signature.asc Description: PGP signature ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org ht

  1   2   3   4   5   >