Re: [FFmpeg-user] ffmpeg 32 bit or 64 bit

Am Mi., 1. Mai 2019 um 14:07 Uhr schrieb Moritz Barsnick : > > On Wed, May 01, 2019 at 17:24:45 +0545, Remo Rayamajhi wrote: > > Well i have installed 64 bit of Os but someone told me even I compile from > > compilation guide I would get 32 bit of ffmpeg ..that's why I asked Only if "gcc"

Re: [FFmpeg-user] Non-keyframes included in cut video displaying unpredictably?

2019-04-30 20:29 GMT+02:00, Ted Park : > Hi, I split a video file by timestamp on a non-keyframe, and I notice > inconsistent behavior on playback. > > The frames required to decode the “first” frame that are included in the > resulting file display inconsistently, depending on the framework the

Re: [FFmpeg-user] Changing colorspace of output file

> Am 30.04.2019 um 11:54 schrieb Zdravko Zdravkov : > > For a project I'm working on I need to create .mov clip out of TIFF > sequence. This is the command I'm using: > > ffmpeg -start_number 1000 -f image2 -r 24 -i ARR_106_0 -vcodec libx264 -s >> 1920x1080 /home/output152.mov Complete, uncut

Re: [FFmpeg-user] Streaming input to ffmpeg

2019-04-30 0:00 GMT+02:00, Brad Jackson : > Ok the file is on Dropbox. > > https://www.dropbox.com/s/uusgknxfvqqd763/a8ddbbcacc224b427f5b7ca14bdf41b692291730.MP4 Works fine here: $ cat a8ddbbcacc224b427f5b7ca14bdf41b692291730.MP4|./ffmpeg -i - ffmpeg version N-93705-gd7fead8 Copyright (c)

Re: [FFmpeg-user] Streaming input to ffmpeg

2019-04-29 23:48 GMT+02:00, Brad Jackson : > Hi Carl, the file is too large to send via email. Is there > some where I can place it? Use a file hoster of your choice. Please avoid top-posting here, Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] preserve creation time

2019-04-27 6:26 GMT+02:00, Sian Doherty : > Is it possible to preserve the creation time of an avi when adding > metadata info such as comment, copyright etc using ffmpeg in batch. From a quick look, FFmpeg never writes a creation time when writing avi. Iirc, this is considered a privacy

Re: [FFmpeg-user] Streaming input to ffmpeg

2019-04-29 4:03 GMT+02:00, Brad Jackson : > .\ffmpeg\bin\ffmpeg.exe -i .\a8ddbbcacc224b427f5b7ca14bdf41b692291730.MP4 -c > copy -map 0 -movflags faststart -y .\temp.MP4 > cat .\temp.MP4 | .\ffmpeg\bin\ffmpeg.exe -i pipe:0 -ss 3 -t 5 -f gif -vf > scale=-1:120 -r 5 -y test.gif > > ffmpeg version

Re: [FFmpeg-user] extract frames every n frames

2019-04-26 22:02 GMT+02:00, francesco piasentini : > Is working fine. > I'm working on a video that's a basically a slideshow of images morphing > through different steps. > frame 1: step 1 > frame +8: step 2 > +7 frames: step 3 > +6: step 4 > +8: step 5 > .. > +7: step n > > So the number of

Re: [FFmpeg-user] Documentation and feature request

2019-04-28 18:25 GMT+02:00, Michael Koch : > >>> Feature request: >>> -- Decay filter, makes short flashes of light appear longer, with an >>> exponential decay curve. Like on an analog oscilloscope screen with long >>> persistence time. Could be used for videos of the night sky to make fast >>>

Re: [FFmpeg-user] PGM files are loading extremely slow

2019-04-27 0:41 GMT+02:00, Michael Koch : > I'd like to report a problem when loading large PGM files, > which are required for the remap filter. > These files are loading extremely slow in the latest ffmpeg version. > Much slower than a few weeks before. > I found out that the problem began

Re: [FFmpeg-user] extract frames every n frames

2019-04-24 16:14 GMT+02:00, Francesco Piasentini : > I need to extract frames every n frames. > > Is there an option in ffmpeg? Please test the select filter: https://ffmpeg.org/ffmpeg-filters.html#select_002c-aselect Carl Eugen ___ ffmpeg-user

Re: [FFmpeg-user] using nvdec ignores CFR -r in h264_nvenc decode

2019-04-19 21:25 GMT+02:00, Scott Freeman : > I am not sure if I am missing an option in decode (which I have none set) > but I am shooting for an output file that is CFR rater than VFR. The sources > are VFR. > I am using tesla M60’s on AWS with Driver Version: 418.40.04 CUDA Version: > 10.1,

Re: [FFmpeg-user] Hls_list_size

2019-04-19 1:09 GMT+02:00, Benjamin Müller : > I have set up a server and are trying to stream a hls video > to browser. Now I have set the hls_list_size to ten but the > hls files still goes up endless. Command line and complete, uncut console output missing. Carl Eugen

Re: [FFmpeg-user] Is ffmpeg trac down?

Von meinem iPhone gesendet > Am 15.04.2019 um 21:48 schrieb Dennis Mungai : > > FFmpeg trac seems to be down at the moment. Response times vary, but trac is still responding (from time to time). Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 15:02 GMT+02:00, Gyan : > > > On 15-04-2019 06:25 PM, Carl Eugen Hoyos wrote: >> 2019-04-15 14:45 GMT+02:00, Michael Koch : >> >>> over the last months I've collected a list what's missing in >>> FFmpeg's documentation. >> While some of your

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 15:05 GMT+02:00, Michael Koch : > Am 15.04.2019 um 14:55 schrieb Carl Eugen Hoyos: >> 2019-04-15 14:45 GMT+02:00, Michael Koch : >> >>> over the last months I've collected a list what's missing in >>> FFmpeg's documentation. >> While some o

Re: [FFmpeg-user] Documentation and feature request

2019-04-15 14:45 GMT+02:00, Michael Koch : > over the last months I've collected a list what's missing in > FFmpeg's documentation. While some of your suggestions will not be accepted (for example to document for some filters that they can be concatenated), please feel free to send your split

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

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 mailing list. Maybe your issue is that reading mxf files takes longer than in the past? Carl

Re: [FFmpeg-user] Converting video format issue

2019-04-15 13:00 GMT+02:00, Mohammed Bey Ahmed Khernache: > .\ffmpeg.exe -re -i .\AMP_E_Hisilicon_3.bit -c:v copy > .\AMP_E_Hisilicon_3.mp4 Why are you using -re? Feel free to test the input option "-r", there is a patch on the development mailing list that may be needed to make this work.

Re: [FFmpeg-user] Converting video format issue

2019-04-15 12:04 GMT+02:00, Mohammed Bey Ahmed Khernache : > I am trying to convert a video format from ".bit" to ".mp4", > using the following command: > ffmpeg -i -codec copy Command line and complete, uncut console output missing, the input sample may be useful. Please remember that

Re: [FFmpeg-user] List members behaviour

2019-04-14 16:07 GMT+02:00, Ulf Zibis : > I don't know what to do right to fulfil his expectations. You could read my mails... Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] audio / video out of sync after recording rtmp stream

2019-04-13 11:33 GMT+02:00, Frans Gouverne : > ffmpeg -y -i "rtmp:/domein/client/name live=1" -vcodec copy > -acodec copy -f ouput.flv Instead please use something like (untested): $ ffmpeg -f data -i rtmp://... -c copy -f data -map 0 out.flv if you cannot use mplayer -dumpstream or something

Re: [FFmpeg-user] List members behaving badly

2019-04-13 3:36 GMT+02:00, Andrew Grathwohl : > Just FYI, this is not the only list that has felt uneasy by > Mr. Harald's behavior.[0] Could you please stop this? Deface somebody's name is just as unhelpful as pointing fingers! Please everybody stop this, Carl Eugen

Re: [FFmpeg-user] List members behaving badly

2019-04-12 5:48 GMT+02:00, Phil Rhodes via ffmpeg-user : > I offer the following in the hope that it can be viewed as > constructive criticism. Coming from you (and knowing your posts for more than a decade) that would have been more than just a surprise. Carl Eugen

Re: [FFmpeg-user] How can I stream to a Mac Mini USB output?

2019-04-13 8:16 GMT+02:00, Fred Rotbart : > Hi, > > I have a MiniDSP U-DIO8 > connected > to the USB port of a 2018 Mac Mini running Kodi 18.1-RC1 on Mojave > 10.14.4. The U-DIO8 provides 8 output channels as 4xSPDIF connections > and

Re: [FFmpeg-user] isn't this a moderated list?

Fortunately not. Carl Eugen ___ 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] MPEG-DASH / HLS Audio Video Sync

2019-04-12 20:36 GMT+02:00, Bryn Larsen : > Hi, > > I’m trying to take an incoming rtmp stream (via nginx-rtmp) and transmux / > transcode it into an mpeg-dash / hls stream. I’m having trouble keeping the > audio and video in sync. If I re-encode the audio instead of copying it, the > trancoded

Re: [FFmpeg-user] Efficiently doing thousands of edits?

2019-04-10 1:17 GMT+02:00, John Hawkinson : > Carl Eugen Hoyos wrote on Wed, 10 Apr 2019 > >> ffmpeg, the command line application, is not a video editor. FFmpeg, >> the project, provides libraries that can be used by video editor software. > > Thanks, Carl Eugen.

Re: [FFmpeg-user] wrong extradata on decoding a mxf xavc long gop file.

2019-04-10 20:00 GMT+02:00, Yufei He : > https://drive.google.com/open?id=1Rugz-tKCNDViN-zxJ9pQyKqSi_Eos7QD > > On decoding the file this link, avctx->extradata is wrong > data, there is no valid sps and pps. > > Actually, mxf files does not need extradata. normally > sps and pps are stored in

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

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. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] recording video file with 2 video tracks of two live cams

2019-04-10 10:23 GMT+02:00, sek...@posteo.se : > ffmpeg -i "rtsp://$USERNAME:$PASSWORD@192.168.234.34:554" > -i "rtsp://$USERNAME:$PASSWORD@192.168.234.33:554" > -map 0:0 -map 1:0 -map 0:1 -c copy > "$(date +%Y%m%d%H%M%S)".mkv Complete, uncut console output missing. Carl Eugen

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-10 0:24 GMT+02:00, Yufei He : > On 04/08/2019 02:03 PM, Carl Eugen Hoyos wrote: >> 2019-04-08 18:56 GMT+02:00, Yufei He : >>> On 04/07/2019 05:37 PM, Carl Eugen Hoyos wrote: >>>> 2019-04-05 17:03 GMT+02:00, Yufei He : >>>>> I use avctx->

Re: [FFmpeg-user] Efficiently doing thousands of edits?

2019-04-10 0:36 GMT+02:00, John Hawkinson : [...] Since this is apparently non-obvious: ffmpeg, the command line application, is not a video editor. FFmpeg, the project, provides libraries that can be used by video editor software. Carl Eugen ___

Re: [FFmpeg-user] CBR Coding with force_key frames

2019-04-09 11:59 GMT+02:00, Nick : > Can it happen that force_key_frames option will destroy a > good cbr 2-pass coding? Command lines and complete, uncut console output missing. (Changing parameters over passes will affect quality.) Carl Eugen ___

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-08 18:56 GMT+02:00, Yufei He : > On 04/07/2019 05:37 PM, Carl Eugen Hoyos wrote: >> 2019-04-05 17:03 GMT+02:00, Yufei He : >>> I use avctx->framerate in my codec. >> >> Why? >> >> I am not claiming that there is no bug (I opened a ticket) &g

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-05 17:03 GMT+02:00, Yufei He : > On 04/05/2019 09:44 AM, Carl Eugen Hoyos wrote: > > 2019-04-04 20:06 GMT+02:00, Yufei He > <mailto:y...@matrox.com>: > > > Hi > > I'm trying to trancode a 1080i xavc long gop mxf file with my > codec, the file's frame rat

Re: [FFmpeg-user] Problem: extracted alpha plane from a grayscale PNG is shifted by 1 pixel to the left

2019-04-07 2:17 GMT+02:00, Mikhail V : > I have a strange problem with extracting alpha plane from an grayscale > PNG with alpha channel. > So I have an image with alpha in it and use this command: > > ffmpeg -i 1-open-patch.png -vf alphaextract -pix_fmt gray > testgray_alpha.png > or > ffmpeg

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-04 20:06 GMT+02:00, Yufei He : > I'm trying to trancode a 1080i xavc long gop mxf file with > my codec, the file's frame rate is 29.97. > > In my decoder, avctx->framerate.den is 1001, avctx->framerate.num > is 15000. > > This is wrong. I opened ticket #7829 for the wrong average

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-04 20:06 GMT+02:00, Yufei He : > Hi > > I'm trying to trancode a 1080i xavc long gop mxf file with my > codec, the file's frame rate is 29.97. > > In my decoder, avctx->framerate.den is 1001, avctx->framerate.num > is 15000. > > This is wrong. I tested the following: $ ffmpeg -i

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

2019-04-05 14:19 GMT+02:00, Yufei He : > Normally, how does a user send a sample file to > ffmpeg-user@ffmpeg.org ? Ideally, you use a random file hoster of your choice. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] HLS - command line hls_segment_size creates problems in segments

2019-04-05 1:05 GMT+02:00, Phantom Scripts : > I hope that here I can get some response, I tried several > means to have some help. Just curious: What did you try? > I've been on this problem for several weeks. > > first I'll leave a link to a page with a player for the HLS video with the >

Re: [FFmpeg-user] How to "prettify" FFmpeg binary like the pre-compiled Windows build

2019-04-05 0:52 GMT+02:00, Hashim Aziz : > Hi, > > I managed to successfully compile a version of FFmpeg with a MinGW-w64 > toolchain on Cygwin, but the resulting binary doesn't look as good as I'd > like it to, especially compared with the pre-compiled builds for Windows > offered by Zeranoe.

Re: [FFmpeg-user] an issue on decoding a mxf xavc long gop file.

> Am 04.04.2019 um 20:06 schrieb Yufei He : > > I'm trying to trancode a 1080i xavc long gop mxf file with my codec, the > file's frame rate is 29.97. > > In my decoder, avctx->framerate.den is 1001, avctx->framerate.num is 15000. > > This is wrong. Please provide a sample input file. Carl

Re: [FFmpeg-user] map_channel without re-encoding

2019-04-04 1:35 GMT+02:00, Elliott Balsley : > Is this possible? I have a WAV file with a single track containing 8 > channels. I want to convert it to an MOV with a 5.1 track and a stereo > track. The below command works, but if I use -c:a copy then it makes both > output tracks 7.1. > >

Re: [FFmpeg-user] Where can I find the library and headers I need to integrate ffmpeg into my Qt program?

2019-04-03 2:43 GMT+02:00, Mark McKay : > I'd like to add a video export option to a Qt program I'm > developing. I'm finding the documentation mostly related > to using the ffmpeg command line utility. I'd like to link a > dynamic library so I can call the API methods. > Would you know where I

Re: [FFmpeg-user] ffmpeg ussing tee

2019-04-02 19:00 GMT+02:00, Javier Fuentes : > ffmpeg version n3.0 Copyright (c) 2000-2016 the FFmpeg developers Please test current FFmpeg git head. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] -analyzeduration ??M -probesize ??M

2019-03-31 13:32 GMT+02:00, Ron Barnes : > I usually add the following two switches to my encoding command before the > -i (Input file) and then the rest of my switches. If I leave the commands > out, then I notice that the file statistics are omitted from the display > window. > > My question

Re: [FFmpeg-user] streaming rtsp from a Sat2ip server

2019-03-31 11:03 GMT+02:00, Paul Harmsworth : > Whilst the ffplay command I have used is probably not > correct the error is the "same" Not sure I understand this sentence but please test a command line that works with vlc with current FFmpeg git head. Carl Eugen

Re: [FFmpeg-user] How are global headers handled in DASH and HLS in ffmpeg?

2019-03-30 3:42 GMT+01:00, Dennis Mungai : > How are global headers handled in the DASH and HLS muxers in > FFmpeg? In my workflow, omitting the option -flags +global_header > in both HLS and DASH results in unplayable streams. Command line(s) and complete, uncut console output missing. Carl

Re: [FFmpeg-user] Can't get -i mylist.txt working under Windows 10

2019-03-29 22:26 GMT+01:00, Dan Bridges : > Trying to concatenate some mp4 files. All the same > (just copies of the same test files). > > myfile.txt contains: > > Sequence_.mp4 > Sequence_0001.mp4 > Sequence_0002.mp4 $ cat myfile.txt file Sequence_.mp4 file Sequence_0001.mp4 file

Re: [FFmpeg-user] Writing Bext Chunk to Wav

2019-03-28 23:50 GMT+01:00, michael gates : > Hello, > > I'm having a bit of trouble finding any documentation about how to write a > bext chunk when converting to a WAV file. I can find the option > *-write_bext > 1* which makes it a version 1 BWF. > > I need to be able to write metadata for the

Re: [FFmpeg-user] Main "Download button" points to 4.1, but says 4.1.2

2019-03-28 21:22 GMT+01:00, Peter B. : > I've noticed that the big green "Download" button on ffmpeg.org [1] says: > "ffmpeg-4.1.2.tar.bz2" > > ...but points to: > https://ffmpeg.org/releases/ffmpeg-4.1.tar.bz2 That's currently being discussed on the development mailing list. Carl Eugen

Re: [FFmpeg-user] Frame loss, pixelation on STB in mosaic output created by ffmpeg

2019-03-28 7:47 GMT+01:00, Sagar Lakhani : > I am creating a mosaic from live input streams, i am trying to watch this > on setup box. there are two ways with which i am doing this. > I am using ffmpeg 2.8.15 and it is compiled with hardware acceleration > enabled. Please test current FFmpeg git

Re: [FFmpeg-user] subtitle issue

2019-03-28 10:16 GMT+01:00, Ivan Galičič : > ./configure \ > --pkg-config-flags="--static" \ > --extra-cflags="-I$HOME/ffmpeg_build/include" \ > --extra-ldflags="-L$HOME/ffmpeg_build/lib" \ > --extra-ldflags="-Lusr/local/lib/pkgconfig" \ > --extra-cflags=-I/usr/local/cuda/include \ >

Re: [FFmpeg-user] Best way to record in segments

2019-03-27 16:36 GMT+01:00, Felipe pi pe : > What would be the best format to record on that has easily splittable > fragments? I have already tried MP4 and ISMV, but extracting the boxes is > kinda hacky and doesn't work reliably for some reason. It should output an > uninterrupted stream of

Re: [FFmpeg-user] Ham Radio

2019-03-27 16:29 GMT+01:00, Dennis Wage : > With ffmpeg can I capture audio from device line input to an mp3 or wav > file, with a squelch or gate that will only record when audio is present? A filter that detects silence exists but the command line tool cannot use this information to start /

Re: [FFmpeg-user] Encode in "intra-only"

2019-03-27 9:37 GMT+01:00, Mohammed Bey Ahmed Khernache : > Now, I need to know which parallelization scheme (slice, tile, or > wavefront parallel processing) is used to encode a video sequence. (I am not convinced these are three different things.) > How's that possible with *ffprobe*? It

Re: [FFmpeg-user] Modifying FFMPEG - MPEG Dash - Changing segment duration on the fly

2019-03-27 9:59 GMT+01:00, Barry Allen : > Is there any way to modify FFMPEG, to change the > segment duration on the fly in the dash encoder . > > I want to this from command line. This is not yet possible (and not easy to understand how you expect this to use). Carl Eugen

Re: [FFmpeg-user] JPGs->video1 ; MOV -> Mp4 video2 ; Concatenate - video2 audio OK but video is slow . .

2019-03-26 21:15 GMT+01:00, Philip Rhoades : > I converted 21 JPGs to a video with: Usually, converting jpgs with the image2 input works better than concat. >ffmpeg -f concat -i concat_demuxer1.txt -vf scale=1024:576 -r 29.97 This framerate is never correct, a possible frame rate is

Re: [FFmpeg-user] Encode in "intra-only"

2019-03-26 19:44 GMT+01:00, Mohammed Bey Ahmed Khernache : > how to encode a video sequence into hevc with "intra-only" mode using ffmpg? > I tried the following command but it seems not working: > ffmpeg.exe -f rawvideo -vcodec rawvideo -s 1920x1080 -r 25 -pix_fmt yuv420p > -frame_type if -i

Re: [FFmpeg-user] where to find paper about swri_resampler

2019-03-26 9:53 GMT+01:00, qw : > I want to know deeply about swri_resampler, and where to find its paper? I am not convinced there is a specific paper about libswresample but I suspect the principles are similar for every resampling library (there are a few). Carl Eugen

Re: [FFmpeg-user] AMF hardware acceleration duplicating frames at60fps

2019-03-24 2:19 GMT+01:00, Felipe pi pe : > frame= 273 fps= 30 q=-0.0 Lsize=1950kB time=00:00:09.16 273 < 9 * 60 Stop top-posting! Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] AMF hardware acceleration duplicating frames at 60fps

2019-03-24 2:09 GMT+01:00, Felipe pi pe : > I’ve just confirmed that using other formats (i.e. mkv) > doesn’t replicate this issue Please provide the complete, uncut console output for mkv output. It will not duplicate frames as the mp4 muxer but does it really record with 60fps? Please do not

Re: [FFmpeg-user] AMF hardware acceleration duplicating frames at 60 fps

2019-03-24 1:34 GMT+01:00, Felipe pi pe : > I'm trying to record my screen with gdigrab at 60 fps and save it to an mp4 > file. This works flawlessly at 30 fps, but once I up it to 60 fps it starts > to duplicate almost all frames and results in what I estimate is a ~10 fps > video file. This is

Re: [FFmpeg-user] Rotating webm videos

2019-03-23 11:33 GMT+01:00, Rex East : > I am trying rotate some webm videos by 90 degrees, > ideally without re-encoding. This is not possible with matroska / webm. Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Change FPS

2019-03-23 0:00 GMT+01:00, Daniel Senderowicz : > what is top posting? https://www.google.com/search?q=top+posting > I didnt do any comparisons between the wolverine and other brands, b had > the Pro model on sale, that was the way I decided > So will mencoder do the interpolation? If so, can u

Re: [FFmpeg-user] Change FPS

2019-03-22 17:08 GMT+01:00, Daniel Senderowicz : > At the moment of the purchase I chose the Wolverine because > I didn't know about the existence of the product you mentioned. > But now, knowing about it, and especially its price ($900), I > would have still chosen the wolveriine because it was

Re: [FFmpeg-user] Change FPS

2019-03-22 4:56 GMT+01:00, Daniel Senderowicz : > I have some old super8 films that I want to digitize. For that, I got a > Volverine Data Film2Digital movie maker. According to their specs, the I am personally interested: Where you able to compare with this scanner?

Re: [FFmpeg-user] Newtek NDI

2019-03-22 9:49 GMT+01:00, Mustafa Al Ani : > I just realized that the NDI has been removed from ffmpeg > due to what has been called a license violation. This is correct, we don't want to endorse a company that violates our copyright. > Has anybody from Newtek commented on this? Not really imo

Re: [FFmpeg-user] Problem when using scale_cuda filter

2019-03-21 3:25 GMT+01:00, Александр via ffmpeg-user : > ffmpeg -hwaccel nvdec -hwaccel_output_format cuda -i "input.mp4" > -vf scale_cuda=-2:360 -c:v h264_nvenc -b:v 2000k "output.mp4" Did you test "-vf scale_cuda=640:360"? Carl Eugen ___ ffmpeg-user

Re: [FFmpeg-user] FFMPEG and VirtualDub

2019-03-21 0:12 GMT+01:00, Robert Aronson : > Honestly, I don't appreciate your condescending attitude. Then you are unfortunately really wrong here because Moritz gave a lot of effort to answer your question which nobody else wanted to do (possibly with good reason). Please do not top-post

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-08 23:48 GMT+01:00, Ulf Zibis : > I do some experiences with 16 bit input and I discover a colour problem > (see attached screenshot). > The input image is from https://samples.ffmpeg.org/image-samples/ > > Here is what I did: > $ ./ffmpeg -i debug/flower-separated-contig-16.tif This

Re: [FFmpeg-user] FFmpeg: how to output over HTTP

2019-03-19 18:46 GMT+01:00, Glenn W : > Please see the below full console output Unfortunately not;-( Anyway, this was certainly transmitted via http. The more important question is if there is an issue: > Segmentation fault: 11 This normally indicates a (important) bug. Carl Eugen

Re: [FFmpeg-user] Bug in docu for option -loop_output ?

2019-03-19 22:05 GMT+01:00, Ulf Zibis : > > Am 19.03.19 um 21:49 schrieb Gyan: >> Entry removed. Option must have been removed many years ago but manual >> wasn't updated. >> >> -stream_loop should be used. > Thanks. > > Is this a/the right place here to alert the right person to correct > this,

Re: [FFmpeg-user] http hangs, https not, following ubuntu build from scratch.

2019-03-19 10:28 GMT+01:00, James Northrup : > I have been having to wrap http in -i <( curl URL) using head ffmpeg on > ubuntu 19 > > i want to know if there is a configure switch i might've used that creates > a situation where http is buggered. i have two such ubuntu 19 machines > with similar

Re: [FFmpeg-user] does ffmpeg support changing resolution transcoding

Am Fr., 15. März 2019 um 07:10 Uhr schrieb qw : > Does ffmpeg support changing resolution transcoding? FFmpeg does support changing input resolution when transcoding. The libraries may support changing output resolution (not completely sure). ffmpeg (the application) does not support changing

Re: [FFmpeg-user] FFmpeg muxing over HTTP

Am Fr., 15. März 2019 um 12:20 Uhr schrieb Moritz Barsnick : > So I guess *sending* RTSP over HTTP is not implemented. That's definitely correct. Greetings from Karl-Marx-Stadt, Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] Difference between mpeg4 and msmpeg4v2 encoders?

Am Fr., 15. März 2019 um 16:53 Uhr schrieb Moritz Barsnick : > > On Fri, Mar 15, 2019 at 10:37:20 -0400, FFmpeg user discussions wrote: > > My understanding is that msmpeg4v2 is a Microsoft variant on mpeg4. > > That's what I also understand. > > > What did they do to it? > > I'm too lazy to check

Re: [FFmpeg-user] ffmpeg : images to mp4 -> exact framerate required

2019-03-14 19:04 GMT+01:00, Lars Michaelis : > Hi, > > I'm creating a mp4 file from several images by following ffmpeg call. > > ffmpeg.exe -y -framerate 25 -i img_%08d.png -vcodec libx264 -pix_fmt > yuv420p -preset veryslow -crf 25 out.mp4 Complete, uncut console output missing. > Each

Re: [FFmpeg-user] H264 timecode

> Am 14.03.2019 um 15:45 schrieb Enrico Vittorini : > > i tried the showinfo but h264 timeode is not shown. Command line including complete, uncut console output missing. Your sample may be needed, too. Please do not top-post here, Carl Eugen ___

Re: [FFmpeg-user] FFmpeg muxing over HTTP

> Am 14.03.2019 um 16:21 schrieb wolfe.t.glenn : > > Even when I run this command: > > `ffmpeg -re -i hq-video.mp4 -c:v libx264 -an -s 1280x720 -f h264 > http://my-server/push` > > It is still sending the data only over *TCP*. Why is this the case?? Because while http does not strictly

Re: [FFmpeg-user] FFmpeg muxing over HTTP

2019-03-14 6:51 GMT+01:00, Glenn W : > I need to SEND h264 packets efficiently as possible, and > over HTTP. Then why don't you send AnnexB? It seems hard to believe that it has more overhead than rtsp... > I don't understand why this should not be possible, as FFmpeg > can use RTSP protocol to

Re: [FFmpeg-user] H264 timecode

2019-03-14 8:04 GMT+01:00, Enrico Vittorini : > i see that version 4.1 support "S12M timecode decoding in h264". > Can someone explain me how to use it wiht a TS input file? The showinfo filter should display the timecode. Carl Eugen ___ ffmpeg-user

Re: [FFmpeg-user] -map switch doesnt work

2019-03-13 18:07 GMT+01:00, Loadlinx : > Stream #0:1[0x898]: > Audio: mp3 ([4][0][0][0] / 0x0004), 0 channels > Stream #0:2[0x899]: > Audio: ac3 ([129][0][0][0] / 0x0081), 0 channels, fltp It seems that there is no audio in your udp stream, 0 channels basically means that no data was found that

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-11 20:31 GMT+01:00, Ulf Zibis : > > Am 11.03.19 um 20:14 schrieb Carl Eugen Hoyos: >> 2019-03-11 20:05 GMT+01:00, Ulf Zibis : >>> Am 09.03.19 um 10:58 schrieb Carl Eugen Hoyos: >>>> 2019-03-09 10:44 GMT+01:00, Ulf Zibis : >>>>> Which form

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-11 20:05 GMT+01:00, Ulf Zibis : > > Am 09.03.19 um 10:58 schrieb Carl Eugen Hoyos: >> 2019-03-09 10:44 GMT+01:00, Ulf Zibis : >>> Which format should I use with option -f ? >> You should never need the option -f (except when reading >> raw g.729 and simila

Re: [FFmpeg-user] Meaning of ffprobe output

2019-03-11 19:53 GMT+01:00, Ulf Zibis : > > Am 11.03.19 um 11:58 schrieb Carl Eugen Hoyos: >>> Is native vs. x264 encoder something different? >> The native (FFmpeg-internal) encoders may be a little less >> sophisticated than x264 (and they don't know a special >

Re: [FFmpeg-user] Meaning of ffprobe output

2019-02-21 11:31 GMT+01:00, Ulf Zibis : > > Am 21.02.19 um 01:41 schrieb Carl Eugen Hoyos: >> 2019-02-04 23:29 GMT+01:00, Ulf Zibis : >>> Now I've checked the files with mediainfo: >>> - The vob file is stated as interlaced top first. (I know, this does >>&

Re: [FFmpeg-user] Timestamps are unset

2019-02-26 10:40 GMT+01:00, Tom Worton : > In your last email you said that I was missing the complete uncut console > output. If I am doing it correct. I replied with the missing information. Do > you have any further advice? No. You are not the recipient of the warning message. If your output

Re: [FFmpeg-user] Filter to detect video glitches

2019-03-10 10:58 GMT+01:00, Venkateswaran.S : > Please find the attached image for your reference. Didn't the decoder return an error when decoding attached image? Please avoid top-posting here, Carl Eugen ___ ffmpeg-user mailing list

Re: [FFmpeg-user] Changing the value of the parameters while encoding ?

2019-03-09 6:49 GMT+01:00, Sai Balaji : > Follow up > > On Thu, Mar 7, 2019 at 5:34 PM Sai Balaji wrote: > >> Hello, >> >> I am new to FFmpeg and this community. For my institution project, I am >> using FFmpeg to create MPEG Dash segments from my laptop camera for live >> streaming. >> >> As a

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-09 10:50 GMT+01:00, Ulf Zibis : > > Am 09.03.19 um 10:23 schrieb Michael Koch: >> >> Doesn't FFmpeg automatically convert 16-bit RGB to 16-bit YUV, if this >> is required? > > -vf fillborders doesn't require YUV, so no automatic conversion happens. You asked for yuv, 16 bit rgb is nothing

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-09 10:44 GMT+01:00, Ulf Zibis : > > Am 09.03.19 um 10:10 schrieb Carl Eugen Hoyos: >> >> You can make such files with FFmpeg > Which format should I use with option -f ? You should never need the option -f (except when reading raw g.729 and similar rare raw forma

Re: [FFmpeg-user] Problem with -vf fillborders on 16 bit image

2019-03-09 9:26 GMT+01:00, Michael Koch : > >> It like to try some tweaks with fillborders filter, so I need some >> 16-bit per plane images for testing. Can you help me with that? > > You can make 16-bit images with the latest version of GIMP. You can make such files with FFmpeg and links to two

Re: [FFmpeg-user] Question about aresample option "matrix_encoding"

2019-03-08 19:13 GMT+01:00, Bernd Butscheidt via ffmpeg-user : > Thank you, I didn't notice that this has been discussed just recently. > We have to add -ac 2 or use > > -af aresample=matrix_encoding=dplii:out_channel_layout=stereo As said there, the quality may be acceptable for you but it is

Re: [FFmpeg-user] Sample with more than 8 bit per plane

2019-03-08 17:47 GMT+01:00, Ulf Zibis : > I'm looking for a sample picture with more than 8 bit per plane, e.g. 16 > bit per plane preferably with YUV colours. > Is there something like here? : https://samples.ffmpeg.org/image-samples/ I don't remember a sample with these exact specifications

Re: [FFmpeg-user] Encode to timestamp on ts with "holes"

2019-03-06 14:31 GMT+01:00, Gabriele Greco : > What I want to achieve is that if: > > start_ts = 00:01:00 > end_ts = 00:05:00 > > and input.ts has one or more "holes" for a total of 2 minutes > > my output video should last 2 minutes and not 4. Depending on your definition of holes, this is not

Re: [FFmpeg-user] Is FFmpeg 4.1.1 able to record, convert and stream 8K UHD (7680 × 4320) (33.2 megapixels) video?

2019-03-06 13:47 GMT+01:00, Dennis Mungai : > On Wed, 6 Mar 2019 at 15:28, Turritopsis Dohrnii Teo En Ming > wrote: >> Is FFmpeg 4.1.1 able to record, convert and stream 8K UHD >> (7680 × 4320) (33.2 megapixels) video? > Yes, it’s very possible on supported codecs, ie VP9, HEVC, H.264/AVC, etc.

Re: [FFmpeg-user] [avi @ 0x9873ba0] Application provided invalid, non monotonically increasing dts to muxer in stream 1: 1104 >= 1104 [avi @ 0x987d2a0] Application provided invalid, non monotonically

2019-03-05 16:45 GMT+01:00, Michael Kohne : > On Fri, Feb 22, 2019 at 7:31 AM Michael Kohne wrote: > >> On Thu, Feb 21, 2019 at 9:35 AM Carl Eugen Hoyos >> wrote: >> >>> 2019-02-21 15:24 GMT+01:00, Michael Kohne : >>> > ./ffmpeg -min_port 62000 -

Re: [FFmpeg-user] Encode to timestamp on ts with "holes"

2019-03-05 12:31 GMT+01:00, Gabriele Greco : > Actually what I do basically is: > > ffmpeg -ss start_ts -i input.ts -to (end_ts - start_ts) out.mp4 > > this can work only if the input file has no holes... > > so after reading ffmpeg documentation and various stackoverflow questions I > decided

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