Re: [FFmpeg-user] 1920x1080p24 AVC to HEVC compression options?

On Mon, Mar 30, 2020, at 10:17 AM, Lou Logan wrote: > > Use a lower -crf value: > > https://trac.ffmpeg.org/wiki/Encode/H.265 ...and only now did I realize Moritz already answered this in a duplicate thread. Please avoid asking duplica

Re: [FFmpeg-user] 1920x1080p24 AVC to HEVC compression options?

On Sun, Mar 29, 2020, at 10:24 PM, Mark Filipak wrote: > > However, it uses the x264 coder with compression that's too high > resulting in 'clay-face' or > 'plastic-face'. What I'd prefer is less compression and the x265 coder. > > I can probably specify x265 with a '-c:v libx265' directive,

Re: [FFmpeg-user] Question on AVFoundation and importing from a DV-VCR

On Sat, Mar 28, 2020, at 8:54 AM, Colin Bitterfield wrote: > I am not exactly sure what a segment muxer is. Do you have an example? See: https://ffmpeg.org/ffmpeg-formats.html#segment ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org

Re: [FFmpeg-user] What is a sponsor?

On Fri, Mar 27, 2020, at 8:37 AM, Nomis101 wrote: > > Oh, cool. That means I could also be a sponsor. If you say, willing to > fund development, how much money are we talking about in general? That's up to you to decide and if you can come to an agreement with any interested developer.

Re: [FFmpeg-user] What is a sponsor?

On Thu, Mar 26, 2020, at 11:16 AM, Nomis101 wrote: > In ticket 3595, I've learned, that a missing sponsor can hinder > bringing in patches to FFmpeg [1]. But I still quite don't understand > what a sponsor actually is. Because I don't want to spam the ticket > with my non-developer question, I

Re: [FFmpeg-user] Selecting MPEG TS child streams for filter_complex

On Mon, Mar 16, 2020, at 12:37 PM, Carl Zwanzig wrote: > > Or is there another reason for listing inputs, then -filter_complex, then > outputs? Simple reason I usually list them in that order is because it is easier and more logical for me to process it in the form of: inputs -> filters ->

Re: [FFmpeg-user] Problem with pixel format and/or missing constant

On Wed, Mar 11, 2020, at 11:50 AM, Ulf Zibis wrote: > > Is it thinkable that libx264 could encode with constrained_baseline > profile some day? "-profile:v baseline" is Constrained Baseline. You can always refer to the output of the ffmpeg command to see which profile is being used. > Currently

Re: [FFmpeg-user] Problem with pixel format and/or missing constant

On Wed, Mar 11, 2020, at 10:51 AM, Ulf Zibis wrote: > > Does John van Sickle's binary use a current version? See the build info / readme for a list of external library versions: https://johnvansickle.com/ffmpeg/git-readme.txt > How can I use a more current version with the ffmpeg git version?

Re: [FFmpeg-user] Development & Support

On Fri, Feb 28, 2020, at 4:00 PM, Mark Filipak wrote: > > My area of interest is documentation. Currently, ffmpeg is documented by > the developers and, no offense intended, their documentation is poor. > Why wouldn't it be poor? Developers are not professional writers and > their perspective

Re: [FFmpeg-user] Development & Support

On Fri, Feb 28, 2020, at 9:52 AM, Mark Filipak wrote: > > Is there some way I can fund development? Is there some way I can fund > support? Perhaps as a subscription? (And, Yes, I'm aware of the "Donate" > options.) PayPal is listed on the Donate page and allows you to make a monthly donation,

Re: [FFmpeg-user] amix fills 16Gb memory, ffmpeg killed

On Thu, Feb 27, 2020, at 7:50 AM, S Andreason wrote: > Hi, > I am trying to join 11 video files, each 3 minutes in length. I can get > the video rendered correctly, where the audio only lasts 3 minutes from > input 0. But when I add the amix filter, it fills 16Gb of memory in 2 > minutes and

Re: [FFmpeg-user] More information about command options

On Thu, Feb 27, 2020, at 5:34 AM, Moritz Barsnick wrote: > > (Caveat: Options may be documented without dashes. E.g. "-bf" may not > be found as "-bf", but as "bf". That makes it a bit difficult for one > or the other option.) I submitted a patch to address that and to at least make it

Re: [FFmpeg-user] Explanation of how -r affects frame rate of filtergraph

On Wed, Feb 26, 2020, at 4:02 PM, Peter wrote: > > This also results in a 30fps output with all frames present but seems > counter intuitive to put the frame rate on an image input. I wasn't able to > find documentation on this behavior. Is someone able to explain how this is > working internally?

Re: [FFmpeg-user] Have trouble saving opengl-generated RGB image sequence to .mp4

On Tue, Feb 25, 2020, at 10:41 AM, Marton Balint wrote: > > Does it make sense to separate the two? I don't think so, but I'm not strongly opinionated about it. Library usage and cli tool usage are two completely different topics. I don't know how others here feel, but I have no interest in

Re: [FFmpeg-user] Have trouble saving opengl-generated RGB image sequence to .mp4

On Tue, Feb 25, 2020, at 7:49 AM, Igor Belyakov wrote: > > My code is mostly composed of "encode_video.c" example: > https://ffmpeg.org/doxygen/trunk/encode_video_8c-example.html This mailing list (ffmpeg-user) is only for questions involving the FFmpeg command-line tools (ffmpeg, ffplay,

Re: [FFmpeg-user] No response from trac.ffmpeg.org

On Sun, Feb 23, 2020, at 8:28 PM, Mark Filipak wrote: > > Just now, after clicking it dozens of times and after several hours, I > clicked the "Resend Email" button and promptly received the confirmation > email. I guess I'm now registered. > > Thanks, person-who-fixed-it, whoever you are. I

Re: [FFmpeg-user] No response from trac.ffmpeg.org

On Sun, Feb 23, 2020, at 1:00 PM, Mark Filipak wrote: > Sorry for the interruption but I have no choice. > > Can anyone contact the folks at trac.ffmpeg.org? > > I'm trying to register, but I get no confirmation email -- I've tried 4 > times. There's no way I can contact them for help because,

Re: [FFmpeg-user] Low quality when using GPU (h264_videotoolbox) to create mp4s

On Fri, Feb 21, 2020, at 10:57 AM, MediaMouth wrote: > > The stdout seems to suggest the issue is -crf vs a constant bitrate.. > Codec AVOption crf (Select the quality for constant quality mode) > specified for output file #0 ([DestPath]) has not been used for any > stream. The most likely

Re: [FFmpeg-user] US Consultants

On Thu, Feb 6, 2020, at 12:12 PM, tma...@trueprobity.com wrote: > Are there any US based FFMPEG consultants available? Baptiste is in LA according to: https://ffmpeg.org/consulting.html If you provide more details perhaps an unlisted US based consultant/developer would be interested.

Re: [FFmpeg-user] avformat_open_input with custom AVIOContext (duration incorrect)

On Thu, Feb 6, 2020, at 12:11 PM, tma...@trueprobity.com wrote: > I am trying to use a custom AVIOContext... This question belongs on the libav-user mailing list. ffmpeg-user is for questions about using the command-line tools. ___ ffmpeg-user mailing

Re: [FFmpeg-user] Archlinux update breaks kmsgrab: Failed to get plane resources: Permission denied

> Hi there, > > For sometime I've been happily using kmsgrab to make screencasts on > my Archlinux Xorg desktop. > > https://github.com/kaihendry/recordmydesktop2.0/blob/9825a44d886318d78463c0a602681c0c7931cf83/x11capture#L71 > > But then it broke after a reboot as described here: >

Re: [FFmpeg-user] Growing file processing

On Sun, Mar 10, 2019, at 3:05 AM, Bouke wrote: > > I reverted to webmail, and missed some stuff here and there. (One of my > accounts bounces a lot of mails from the FF list for some reason.) If I recall correctly it is related to the DMARC policy of your mail provider. I made a change last

Re: [FFmpeg-user] Error while building recent FFmpeg from source

On Thu, Mar 7, 2019, at 4:16 AM, Venkateswaran.S wrote: > Hi Team, > > I'm building FFmpeg from below github source. > https://github.com/FFmpeg/FFmpeg.git > > Configure script : > ./configure --enable-gpl --enable-version3 --disable-static --enable-shared > --enable-small --enable-avisynth

Re: [FFmpeg-user] FFmpeg Discord Channel

On Wed, Mar 6, 2019, at 2:06 PM, Glenn W wrote: > For those that are interested, please join us on the FFmpeg Discord Channel > for more live discussion and help answering questions @ > https://discord.gg/Atvd54N > > We also welcome people to post projects and helpful repos that they have >

Re: [FFmpeg-user] issue with compressing images to video

On Wed, Mar 6, 2019, at 1:37 PM, Henry Mosher wrote: > Hi, I am getting an error when I try to compress a set of images into a > video, in order based on the number of the filename, after writing the > images from Natron. (I am using Mac OSX) > > I'm using the command : > ffmpeg -framerate 24 -i

Re: [FFmpeg-user] Question about merging audio and soundless video files

On Tue, Mar 5, 2019, at 6:59 AM, JD wrote: > The audio file is recorded at bitrate 320k. > But after combining the audio and the video, > and running ffprobe, it shows that the audio > bitrate is 128k. > So, why would ffmpeg downgrade the audio bitrate? Sounds like you re-encoded the audio using

Re: [FFmpeg-user] Invalid riff index > 256 errors

On Fri, Mar 1, 2019, at 6:08 AM, Morgan Carr Markell wrote: > I'll have to ask the administrators for permission to install a more > recent version of ffmpeg. If they say no, and if you can download and execute files, just get it from: https://johnvansickle.com/ffmpeg/

Re: [FFmpeg-user] Multithreaded Asynchronous Encoding/Muxing

On Tue, Feb 26, 2019, at 1:33 PM, BIGLER Don (Framatome) wrote: > All, > > I am writing an application that displays, encodes, and muxes live > video using ffmpeg as the backend. The audio and video encoding occurs > asynchronously in the background, each in its own thread, such that the >

Re: [FFmpeg-user] Errors on P frame after transcoding.

On Thu, Feb 21, 2019, at 5:58 AM, NDJORE BORIS wrote: > Hello all, > > When I try to decode a transcoded video I have the following errors: > [...] > > Can someone explain me what it means and if possible how can I fixe it, > please? > For information I use doc/examples/transcoding.c >

Re: [FFmpeg-user] Getting resulting width and height from scale filter

On Thu, Feb 21, 2019, at 2:52 AM, Michael Bachmann wrote: > Is there a way to get the resulting width and height from a scale > filter, so i can setup the Encoding-AVCodecContext correctly (with > width and height)? This mailing list (ffmpeg-user) is only for questions involving the FFmpeg

Re: [FFmpeg-user] How to UN-sub (and re-sub) the the mailing list?

On Wed, Feb 20, 2019, at 10:21 AM, Lou Logan wrote: > > You can disable/enable mail delivery anytime while still remaining subscribed. > > 1. Go to the mailing list page: > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > 2. Enter your email address in the box at ve

Re: [FFmpeg-user] How to UN-sub (and re-sub) the the mailing list?

On Tue, Feb 19, 2019, at 11:14 PM, Andrew Valenkov wrote: > I am but a novice, not aiming to be an FFMPEG expert. I have some > questions, and pretty much no answers. It is not in my best interest to > be subscribed to the mailing list all the time, since I get about a > dozen (or 3 dozens)

Re: [FFmpeg-user] create video from image

On Wed, Feb 13, 2019, at 12:23 PM, juan carlos wrote: > I already indicated in another email that since the release of ffmpeg > 4.0 the project does not take seriously the work of updating the > documentation I disagree with that statement. We are only volunteers and use our spare time to try

Re: [FFmpeg-user] What is option -level ?

On Tue, Feb 12, 2019, at 1:11 PM, Ulf Zibis wrote: > > I'm not sure, if I need 2 passes It depends on what you want to do. If you want to try to target a specific output file size then use two-passes. If that's not really a concern just do a single pass using -crf. See the wiki page:

Re: [FFmpeg-user] What is option -level ?

On Tue, Feb 12, 2019, at 11:33 AM, Ulf Zibis wrote: > In another option set of K9copy there is: > -b $VIDBRk -s $WIDTHx$HEIGHT -vf > crop=$WIDTH-$CROPRIGHT-$CROPLEFT:$HEIGHT-$CROPTOP-$CROPBOTTOM:$CROPLEFT:$CROPTOP > -aspect $ASPECT -codec:v libx264 -level 30 -flags +loop+mv4 -cmp 256 > -partitions

Re: [FFmpeg-user] Transcoding from mp4 to avi is too slow

On Tue, Feb 12, 2019, at 5:17 AM, NDJORE BORIS wrote: > Hello Team, > I have trouble and I know you can help me. > > I use transcoding.c example to transcode from mp4 to avi. This mailing list (ffmpeg-user) is only for questions involving the FFmpeg command-line tools (ffmpeg, ffplay,

Re: [FFmpeg-user] ffmpeg HIGH CPU, http streaming with libmp3lame

On Tue, Feb 5, 2019, at 8:15 AM, Zoltan Kerenyi Nagy wrote: > Hi, > > The CPU usage is still abobe 90% with libshine. Do you think that something > is buggy with my script? > https://pastebin.com/dyHK6ATh > > Zoli 1. I've never used ffserver so I can't comment on that. 2. We don't provide

Re: [FFmpeg-user] ffmpeg HIGH CPU, http streaming with libmp3lame

On Mon, Feb 4, 2019, at 11:31 AM, Zoltan Kerenyi Nagy wrote: > Hi All, > > For some reason the CPU is insanely high, hitting almost all the time 100%, > I run ffmpeg on an ARM7 4 core embedded device. > > This is the setup, how I do it: > > ffserver -d -f /etc/ffserver.conf > ffmpeg -f alsa -i

Re: [FFmpeg-user] Meaning of ffprobe output

On Mon, Jan 28, 2019, at 6:58 PM, Carl Eugen Hoyos wrote: > > (So apparently the next sentence is wrong and Lou > does offer release support - but unfortunately only > to you because he closed ticket #7697 this week > explaining there is no release support...) I don't quite follow

Re: [FFmpeg-user] Need to Make ProRes HQ video file with 5.1 audio using ffmpeg

On Mon, Jan 21, 2019, at 5:11 PM, Mark Scott wrote: > Thank you. I copied and pasted the command line that you suggested, but got > the error message. Input: No such file or directory. Then as a test I ran > my original command and it worked, just with the wrong audio. Here's a > screenshot with

Re: [FFmpeg-user] Need to Make ProRes HQ video file with 5.1 audio using ffmpeg

On Mon, Jan 21, 2019, at 3:12 PM, Mark Scott wrote: > Hello, > I'm having trouble understanding audio mapping. I have a master .mov > file with 6 Mono tracks plus a stereo track. Per my customer > requirements, the output file needs to be ProRes HQ .mov with the > audio configuration to be:

Re: [FFmpeg-user] Can I Batch Encode with ffmpeg on Mac?

On Fri, Jan 18, 2019, at 2:10 PM, Mark Scott wrote: > Hello, > First off, I need to say that I'm very new to ffmpeg. I do not have > much experience with writing command lines or scripts so please excuse > me if I don't understand the terminology. I have figured out how to > encode uncompressed

Re: [FFmpeg-user] Proper way to write data into an AVFrame

On Thu, Jan 3, 2019, at 9:06 PM, Ronak wrote: > Hi, > > I'm trying to use FFmpeg in my iOS App; and would like to write data > into an AVFrame that I can later filter using one of the filters in the > libavfilter library (silenceremove, loudnorm or dynaudnorm for example). > > I noticed

Re: [FFmpeg-user] remux AVI (H.264+MP3) to MP3 causes problems in browser; Missing PTS timestamps

On Thu, Jan 3, 2019, at 11:14 AM, Ben wrote: > > Now I remux (without new encoding) them with the following ffmpeg > command to MP4 container : > > Fmpeg.exe -i test.avi -acodec copy -vcodec copy -map 0 test_out.mp4 We need to see the complete console output from your command to be able to

Re: [FFmpeg-user] How to extract 1 frame as JPEG per minute

On Wed, Dec 19, 2018, at 12:17 PM, Ulf Zibis wrote: > > ffmpeg -i CYD.mp4 -vf select='not(mod(n\,1500))' CYD_%03d.jpg > I got 150,000 pictures with reduced quality (~12 kB). Weird!!! Add "-vsync vfr -q:v 2" output options. ___ ffmpeg-user mailing list

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

On Fri, Dec 7, 2018, at 10:33 AM, Ulf Zibis wrote: > 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 from bottom I see 2..3 other horizontally shifted > flickering lines. The band of

Re: [FFmpeg-user] HD MXF SMPTE ST377 Standard Compliance Problem with multiple IndexTableSegments carring Unique ID twins (maybe a bug)

On Fri, Nov 9, 2018, at 8:01 AM, Carl Eugen Hoyos wrote: > > (Continuing a discussion I had with several people who archive.) > I wonder if this is all intentional (seriously!), you have a > specification that from all I know is unclear, multiple different > and incompatible implementations and

Re: [FFmpeg-user] TXXX:CATALOGNUMBER

On Tue, Oct 2, 2018, at 8:20 PM, yUGz afterLife wrote: > < ?php [...] > ?> We can't help with scripting on this mailing list: only unscripted usage of the FFmpeg cli tools is supported here. > And yes the -t 1 setting is a troll Incorrect. Moritz's example using a synthetic audio source as an

Re: [FFmpeg-user] I need to be able to convert audio files to video & run through an admin system on a website

On Wed, Oct 3, 2018, at 9:56 AM, Al Vincent wrote: > Can you help, please? I need to find a way to auto convert an mp3 or wav > file to short video through the backend when someone hits a button on the > front end. And then it be linked to a share on social media. is > this possible? Can ffmpeg

Re: [FFmpeg-user] Wanna to apply effect and play video at same time

On Thu, Sep 13, 2018, at 6:38 AM, shreyas vaghela wrote: > It is possible to give full command with example to i better to understand > ,Bcz i new in ffmpeg.it would be great help from your side. Carl and I both gave full example commands. ___

Re: [FFmpeg-user] Wanna to apply effect and play video at same time

On Tue, Sep 11, 2018, at 9:33 AM, shreyas vaghela wrote: > Wanna to apply effect and play video at same time, it is possible to do > same thing at one using Ffmpeg command line. You can use ffplay to apply effects and play at the same time: ffplay -vf negate,vflip input.foo

[FFmpeg-user] [ANNOUNCE] ffmpeg-user will now only accept messages from subscribed senders

This mailing list will now only accept messages from subscribed users. Previously anyone could email the list to post a message, but that caused several issues: * Non-subscribed users do not directly receive emails of any messages on the mailing list. This includes replies to their messages,

Re: [FFmpeg-user] Converting .trm files ("ForTheRecord") -- force AAC decoding?

On Tue, Jun 26, 2018, at 10:07 AM, John A Hawkinson wrote: > > How can I tell ffmpeg to attempt to use its AAC decoder? I feel like I'm > missing something obvious, but maybe I've successfully told it to do so > and the AAC decoder is not happy (maybe it's encrypted?). Please provide a sample

Re: [FFmpeg-user] Getting started: how to enable filters

On Thu, Jun 21, 2018, at 5:21 PM, Todd Van Horne wrote: > > I see, thank you. Can you tell me where I can find instructions for > installing the filters? > -Todd Lazy method is to download a ffmpeg with libvidstab already included: Linux: https://johnvansickle.com/ffmpeg/ Windows& macOS:

Re: [FFmpeg-user] Request: Older Android version & automation issue.

On Tue, Jun 19, 2018, at 2:49 PM, Dan French wrote: > For compatibility reasons, I need to get the older version of ffmpeg for > Android. > > > Can someone provide me with a location/binary of V 0.97.5 (so I can go > through the fun of installing it)? I do not believe there ever was such a

Re: [FFmpeg-user] Report Error during Configuration

On Sat, Jun 16, 2018, at 11:29 PM, けつせいご wrote: > > Attached is the log. Your help would be greatly appreciated. I don't see the log attached here, but I know you attached one because I saw it in the moderation queue, so it must have been stripped by the mailing list for some reason. I didn't

Re: [FFmpeg-user] parallel filter works in mp4 but not mkv or other audio formats.

On Wed, Jun 13, 2018, at 11:56 PM, siamaketezadi wrote: > > I get the following errors: [...] Please show the *complete* console output. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe,

Re: [FFmpeg-user] Size of the video output file changes after mirror effect.

On Mon, Jun 11, 2018, at 10:17 AM, Mehta Naisargi Rajeshbhai wrote: > > Here size of video output file decreases after giving mirror effect. And > rest of the things remains same for example resolution remains the same. > So can anyone tell me that why the size of video output file is >

Re: [FFmpeg-user] error: 'x265_api_get' undeclared (first use in this function)

On Sun, Jun 10, 2018, at 5:53 PM, lx wrote: > hg clone https://bitbucket.org/multicoreware/x265 > cd x265 > hg checkout 0.8 According to the FFmpeg configure file: X265_BUILD >= 68 The x265 0.8 tag is probably too old, so reset to the "default" branch and avoid checking out old, unsupported

Re: [FFmpeg-user] Way to encode and crop dynamically by keyboard

On Tue, Jun 5, 2018, at 1:06 PM, David Barbassat wrote: > Dear All, > > I am looking for a way to encode by ffmpeg a video but with a dynamic > crop provided by shell variables > > For example is it possible to use ${x} and ${y} in the command line and > change them during the encoding process

Re: [FFmpeg-user] 3D SBS with ffmpeg quality question

On Wed, May 23, 2018, at 5:27 PM, Carl Eugen Hoyos wrote: > > PS: They even sell on Amazon;-( Pavtube (aka i-loveshare and multipelife), among the dozens of similar re-branded clones, is Chinese software commonly spammed on countless forums, reddit, Stack Exchange, mailing lists, etc, by shills

Re: [FFmpeg-user] compile error - ERROR: srt >= 1.2.0 not found using pkg-config

On Fri, May 18, 2018, at 7:04 AM, Svyatko Huk wrote: > Hi guys. > > Using the latest main and dev build I am getting the above error when i > try to build a static FFMPEG binary with SRT enabled. > When i -- Disable-Shared during SRT configure stage, i get the .a > and .pc files in the lib64

Re: [FFmpeg-user] configure x265 error

On Thu, May 17, 2018, at 7:04 AM, karl wrote: > > Hi, I'm attempting to install FFmpeg on Ubuntu 16.04 using these > instructions: > https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu Your configure line is different than what the above link suggests. Nothing wrong with modifying it but it

Re: [FFmpeg-user] How do I reliably get get data not listed in show_format?

On Sun, May 13, 2018, at 8:12 AM, Carl Zwanzig wrote: > > Um, when someone _reads_ the text, they're parsing it. The ticket seems obvious to me that it is referring to machine parsing. > Maybe it's not intended to be _machine_ parsed, but I've had no trouble with > breaking down the text with

Re: [FFmpeg-user] How do I reliably get get data not listed in show_format?

On Fri, May 11, 2018, at 7:36 AM, Nino from Read2Me wrote: > Hi, I'm interested in this bit: > > Duration: 00:13:14.59, start: 0.006500, bitrate: 31 kb/s > > Stream #0:0: Audio: opus, 48000 Hz, mono, fltp > > According to a few trac tickets (for example >

Re: [FFmpeg-user] Programmatically combining audio and video streams

On Thu, May 10, 2018, at 1:04 PM, Philip Prindeville wrote: > Hi. > > I have a code base that currently expects audio and video to be in the > same AVFormatContext, and this works great for sources (typically > network connections) that contain both audio and video multiplexed > together, such

Re: [FFmpeg-user] ERROR: x265 not found using pkg-config

On Wed, May 9, 2018, at 11:13 AM, Marcus Monroe wrote: > Marcus Monroe has shared a OneDrive for Business file with you. To view > it, click the link below. > > > >

Re: [FFmpeg-user] compilation : libx264 and libx265

On Mon, May 7, 2018, at 12:12 PM, ghe...@mathnmaps.com wrote: > Hello, > > > Trying to recompile ffmpeg on a Linux Mint 18.3 system; currently > installed version > is 2-3 years old and gives a lot of errors about libav1. I am not sure of what errors you are referring to. > The Compilation

Re: [FFmpeg-user] FFMpeg configure issue

On Mon, May 7, 2018, at 10:06 AM, Dennis Mungai wrote: > You need to install nasm. He has nasm 0.98.40 installed, but I'm guessing it may be too old. ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To

Re: [FFmpeg-user] Convert to 96000 Hz DCA spdif not supported?

On Sat, May 5, 2018, at 7:57 AM, Nomis101  wrote: > I do have a 96000 Hz FLAC file which I would like to convert to DTS and > preserve the sample rate. But it seems only 41000 and 48000 is supported. [...] > Is this a bug or is this really not supported? 41000 and 48000 workes fine. Both, kind

Re: [FFmpeg-user] Unable to build FFmpeg 4.0 on macOS

On Thu, Apr 26, 2018, at 10:16 AM, Nomis101  wrote: > I had a similar problem some time ago, but this time it is different. I > have installed all dependencies using MacPorts, System is macOS 10.13. I > can build FFmpeg 3.4.2 without any problem. But if I try to build FFmpeg > 4.0 or the latest

Re: [FFmpeg-user] Convert images to DNXHD 444

On Tue, Apr 10, 2018, at 1:51 PM, Gonzalo Garramuño wrote: > For DNxHR 444, this line should do it: > > $ ffmpeg -i test.%04d.tif -r 6/1001 -codec:v dnxhd -profile:v > dnxhr_444 -b:v 880M  -pix_fmt yuv444p10 -y test_hr444.mov Use: ffmpeg -framerate 6/1001 -i test.%04d.tif -codec:v

Re: [FFmpeg-user] concat Missing part2.mov

On Sat, Mar 24, 2018, at 3:10 PM, Dan Norton wrote: > I have two .mov files which were made on Debian 9 by running the > following: > > $ ffmpeg -y -i "Norton 8mm Reel 04.mov" -ss 00:00:00 -to 00:20:00 -c > copy -bufsize 2048K part1.mov > $ ffmpeg -y -ss 00:21:12 -i "Norton 8mm Reel 04.mov" -c

Re: [FFmpeg-user] Can I create an mp4 with dwell?

On Sun, Mar 18, 2018, at 9:38 AM, Lou Logan wrote: > Last image should display for a half second + 1 frame (I did not verify). ...assuming it's one of the images in ord-hrrr-slp%02d.png and not segregated. ___ ffmpeg-user mailing list ffmpeg-u

Re: [FFmpeg-user] Can I create an mp4 with dwell?

On Sat, Mar 17, 2018, at 11:41 AM, Geoff Fox wrote: > I'm a meteorologist making my own weather maps. I use ffmpeg to create my > animations from still images, like this: > http://45.79.86.175/output/nam/sfc/conus-nam-slp.mp4 > > Typically: ffmpeg -r 10 -f image2 -s 1920x1080 -start_number 02

Re: [FFmpeg-user] Dropping frames from video to images

On Wed, Mar 14, 2018, at 3:06 AM, Johanna Andersson wrote: > Hi! > > I am not an expert at all in ffmpeg, but I use it to cut videos into > frames for scientific investigation of fluid flows. I want to get every > image (Windows shows me the video has 29 fps). However I seem to drop > frames.

Re: [FFmpeg-user] unsubscribe

On Tue, Mar 13, 2018, at 10:58 AM, Reindl Harald wrote: > why do you hijack a random thread and even quote the fucking "to > unsubscribe" instruction in the list-footer instead follow it? This never helps and the tone makes the wider community seem angry and mental. Anyway, that user will never

Re: [FFmpeg-user] probleme lors de la compilation de ffmpeg

On Wed, Mar 7, 2018, at 1:44 PM, Cley Faye wrote: > > The direct cause of this is that you ask configure to enable librtmp with > --enable-librtmp but the configure script can't find the development files > for librtmp. If you really want to support this, on a debian system > installing

Re: [FFmpeg-user] Transcoding sample app for Resizing video

On Thu, Mar 1, 2018, at 4:25 AM, Vittalprasad wrote: [...] > My intention is to use design own transcoding model using ffmpeg libraries. This mailing list (ffmpeg-user) is only for questions involving the FFmpeg command-line tools (ffmpeg, ffplay, & ffprobe). Usage questions involving the

Re: [FFmpeg-user] ffmpeg3.4 regression

On Fri, Feb 16, 2018, at 1:00 AM, Piotr Oniszczuk wrote: > Hi > > For reporting this regression I want to register to > http://trac.ffmpeg.org/register for reporting vdpau hwaccel playback > regression in ffmpeg3.4. > If I need to report here - pls look further in this email. > > Trying to

Re: [FFmpeg-user] could someone rip this m3u8 stream? ffmpeg give me an error

On Wed, Feb 14, 2018, at 10:48 AM, fathom wrote: > Hi to all. > > I am trying to rip this stream > > http://viacomitalytest-lh.akamaihd.net/i/sbshdlive_1@195657/master.m3u8 > > i use this command line > > ffmpeg -i > "http://viacomitalytest-lh.akamaihd.net/i/sbshdlive_1@195657/master.m3u8; >

Re: [FFmpeg-user] 4K 60Hz Directshow Video Capture

On Tue, Feb 13, 2018, at 12:28 PM, Alex P wrote: > > Does anyone know of a lossless encoder that inputs and outputs bgr24? $ ffmpeg -h encoder=libx264rgb [...] Supported pixel formats: bgr0 bgr24 rgb24 ___ ffmpeg-user mailing list

Re: [FFmpeg-user] video slows down in the middle

On Thu, Feb 8, 2018, at 10:53 AM, Reindl Harald wrote: > crazy idea - as you can see they don't get responses They can see replies (and reply to the replies) via the archives. Some users want the ability to post without subscribing. It is not a perfect system, and the instructions could use

Re: [FFmpeg-user] video slows down in the middle

On Thu, Feb 8, 2018, at 10:32 AM, Reindl Harald wrote: > do you tell us that unsubscribed people can post at all instead get a reject? Anybody can post to the mailing list with or without being subscribed: all they have to do is email ffmpeg-user@ffmpeg.org. Non-subscribed users must wait for

Re: [FFmpeg-user] video slows down in the middle

On Wed, Feb 7, 2018, at 4:16 PM, Henry Lau wrote: > Hey guys, sorry I am not a full member of the ffmpeg alias group yet. Do I > have to be a member to receive responses? Just curious because it looks > like there is some interest in this thread.Thanks! Users that are not subscribed do not

Re: [FFmpeg-user] Error building ffmpeg with x265 support

On Mon, Feb 5, 2018, at 8:13 PM, David Turner wrote: > I worked my through the tutorial on compiling ffmpeg with h.265 support > found at https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu. The last > thing it instructed me to do is > PATH="$HOME/bin:$PATH"

Re: [FFmpeg-user] file size too big after re-encoding (was: help please)

On Tue, Feb 6, 2018, at 1:02 AM, sarkis yol wrote: > hey what is the best way to hardcore subtitles into a movie while > staying as close as possible to his original size and settings i tried > this command: > ffmpeg -i 1.mp4 -vf "subtitles=1.srt:force_style='FontName=Droid Naskh > Shift

Re: [FFmpeg-user] ffmpeg support for color encoding conversion?

On Fri, Feb 2, 2018, at 10:25 AM, Dan Edwards wrote: > Hey all, > > I am looking for an alternate solution to avconv on a Raspberry Pi setup > running RetroPie. > > Have been trying to use it to convert some videos in the color format > yuv444p to yuv420p which is needed for a hardware

Re: [FFmpeg-user] Video Watermark image

On Wed, Jan 31, 2018, at 10:47 PM, Jay Raval wrote: > ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers > built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-18) > configuration: --enable-postproc Your ffmpeg does not support any H.264 video encoders, so it defaults to using

Re: [FFmpeg-user] ffmpeg ffv1 issue

On Sat, Jan 27, 2018, at 11:01 AM, jeff.radcli...@comcast.net wrote: [...] > G:\Post Processed Video>ffmpeg -i testvdub.avi -acodec copy -vcodec ffv1 > -level 3 -threads 8 -coder 1 -context 1 -g 1 -slices 4 - slicecrc 0 > testvdub.mkv There is a small typo here. Change "- slicecrc" to

Re: [FFmpeg-user] when concatenating video segments ffmpeg shows error: "Media type mismatch between the parsed_overlay_20"

On Sat, Jan 27, 2018, at 1:07 PM, Igor Cabrera wrote: [...] > When I execute the resulting command it gives me the error > > the command is this: > > ffmpeg -i "C:\ffmpeg\pruebas\FFBlue_ProjectsFiles\chroma\green1.mov" -i > C:\ffmpeg\pruebas\FFBlue_ProjectsFiles\fondos\sc.jpg -filter_complex " >

Re: [FFmpeg-user] license cost

On Thu, Jan 4, 2018, at 5:59 AM, Chunduri, anil (SimApps) wrote: > Hi , > > Can you tell me license cost for the ffmpeg. FFmpeg is free. You only have to comply with the license. There is no fee. In addition to reading the license refer to: https://ffmpeg.org/legal.html

Re: [FFmpeg-user] ADPCM block size for XAudio

On Wed, Jan 3, 2018, at 1:19 AM, Martin (Imagine Earth) wrote: > > What does top-post mean? I'm confident you could have found multiple answers with a simple search, but our Mailing List FAQ has a link to an explanation:

Re: [FFmpeg-user] Sharpen a video

On Wed, Jan 3, 2018, at 9:38 AM, Giang_Le wrote: > I try to sharpen a video using unsharp filter. I read the documentation and > used the instruction. > But I got "videofilename.ext: Unable to find suitable output format for...". > Could some one give me an example of how to do this exactly? >

Re: [FFmpeg-user] Trouble FFmpeg

On Tue, Jan 2, 2018, at 7:21 PM, Tùy Phong wrote: > Hello ffmpeg's support team, I try hard to using ffmpeg code but I have > some issue like this > > Error while filtering: Cannot allocate memory > Failed to inject frame into filter network: Cannot allocate memory > Error while processing the

Re: [FFmpeg-user] Transcode from mp4 to wav fails for several files

On Mon, Dec 25, 2017, at 9:53 AM, JD wrote: [...] > So, could someone zero in on the script and see what I am missing? We can only provide help for unscripted, direct usage of the FFmpeg cli tools here at ffmpeg-user. Since this appears to be purely a scripting issue I recommend checking your

Re: [FFmpeg-user] timebase mismatch error

On Fri, Dec 22, 2017, at 1:37 AM, parth awasthi wrote: > hey, ffmpeg code is showing me time base mismatch error from last 5 days. I > have not found any solution for this error on internet. My timebase got > stuck at 25 fps and no videos other than 25 fps is converting. Thank you in > advance. >

Re: [FFmpeg-user] FFMPEG's MXF container support for DNxHR with Avid MC?

On Thu, Dec 21, 2017, at 3:07 PM, Alan Moore wrote: > On a separate note, is this the right place to ask questions about the > FFMPEG API or internals? The ffmpeg-dev list seems to be just patches... The mailing list for user help regarding the FFmpeg libraries and API is at libav-user.

Re: [FFmpeg-user] Live stream to periscope or youtube doesn't seems to work

On Sun, Dec 10, 2017, at 03:58 PM, Guilherme Santos wrote: > > ~/ffmpeg-git-20171206-32bit-static$ ./ffmpeg -f x11grab -video_size > 1024x768 -i :1 -c:v libx264 -preset medium -crf 28 -pix_fmt yuv420p -r > 30 > -g 60 -b:v 2M -maxrate 2M -bufsize 1M -f flv rtmp:// >

Re: [FFmpeg-user] Live stream to periscope or youtube doesn't seems to work

On Sun, Dec 10, 2017, at 10:22 AM, Guilherme Santos wrote: > Hello, I was wondering why this command couldn't work... I'm trying to > live > stream from my aws ubuntu to periscope. check this out: > > $ ffmpeg -threads 0 -y -v verbose -re -f x11grab -video_size 1024x768 -i > :1 > -c:v libx264

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