Ffmpeg transparent background Again, looks great. But unfortunately Apr 6, 2018 · Im trying to create waveform image with transparent wave and solid background color. avif Today, we show how to green screen / chroma key transforming a video shot in front of a green screen into a transparent one that we will add on a background video. #ffmpeg #animatedgif #NateCiraulo #PhotolearningismHarness the power of FFMpeg to remove black backgrounds and convert to animated GIFs!0:00 Intro to the p Dec 27, 2016 · Why do you use ffmpeg for this task? As an obvious alternative, with ImageMagick you could simply do convert image. webm I've checked various sources online and can't seem to crack it. Related posts: Making GIFs with ffmpeg: what does "transparency_color" do? How do I resize an animated GIF and keep transparency? I'm using a simple ffmpeg command to resize and pad images to fit within a 960x540 frame. I want the solid black background of the GIF to be transparent. Aug 20, 2017 · ffmpeg since Aug 30, 2017 has an alpha option for the subtitles filter which enables you to draw subtitles on transparent background. On my old machine at work they display and render with background transparency just fine. While I have been trying many options, the closest I managed to Jun 4, 2019 · I stuck with transparent background, I can't figure out how to convert gif with transparent background to webP with transparent background, Its keep a 'trail' of the images, Oct 14, 2018 · I have an image with alpha channel indicating what the background is. I have a video. We went from this video : to this video: Only, the subtitles aspect in this example is a default value. gif That's what I'm doing to created the animated GIF. gif with ffmpeg Download and install ffmpeg (link) The following commands will preserve the palette from the input files (including transparency), and then compile and convert ffmpeg -i %04d. ass:force_style='OutlineColour=&H80000000,BorderStyle=3,Outline=1,Shadow=0,MarginV=20'" output Dec 20, 2023 · I am creating animated physics graphs with a transparent background for later use in a NLE. N. I am trying to convert it to a GIF, and am using the command ffmpeg -i file. Sep 21, 2017 · In other words, if you want to generate a transparent background, you have to specify the format filter already during the creation of the input – you cannot add it later. Jun 11, 2012 · Please help: This is what I have done so far: *Command to create a transparent PNG image:* convert -size 640x480 -background transparent -fill blue \ -gravity South label:ROCK image1-0. png -filter_complex "[1:v]alphaextract[alf];[0:v][alf]alphamerge" -c:v qtrle -an /synced Libav FFmpeg , cartoon teacher transparent background PNG clipart size: 2266x2309px filesize: 137. My question: I got a video that's having a lot of "transparent-green" pixels, that all have the RGBA colour 00D70000. I need to make all BLACK pixels in the overlay video transparent so that I can see the main vi May 21, 2024 · I'm trying to render a video with transparency in the video editor. FFMPEG encoder supports encoding with VP9 alpha transparency. png -background white -flatten image. When using transparency_color I was able to change the color, but I couldn't get rid of the outline. png`: First input - the static image - `-i Jan 8, 2019 · I have a transparent video that I would like to include on my website with a background behind it. Jan 31, 2025 · This FFmpeg command converts an image and audio into a WebM video. webm with alpha with ffmpeg The input video is a HEVC (h265), and the background I want to remove is full white. white)? Jul 24, 2023 · deeply thanks @Rotem , this is work perfectly but i think I'm expressing it wrong with (transparently word) , i mean it has black background say 0. I need a way to convert all those transparent-green Feb 12, 2022 · I currently have a transparent mov file. But I am not getting the image in the background in output. ffmpeg \\ -hide_banner \\ - Aug 28, 2021 · Note: This post requires the latest liquidsoap main and ocaml-ffmpeg master branch at time of writting (Aug. mov with Alpha to . After creation I want to overlay this video on another video ffmpeg -f lavfi -i Feb 10, 2021 · How to get animated webp file with transparent background padding after converting from mp4 file with ffmpeg? Asked 4 years, 9 months ago Modified 1 year, 8 months ago Viewed 9k times 3 I have a transparent webm video I generated using a slightly modified version of electron-recorder that I need to overlay on an MP4 video from a smartphone. Is it possible to make the output background semi-transparent? I mean just the white, while other colors would remain opaque. It is indeed an FFmpeg issue (latest git-master) and can be reproduced by encoding a webm file with transparent background to an animated webp file file via e. png In ffmpeg versions 3. png (Setting png:color-type=6 (RGB-Matte) is crucial because ffmpeg doesn't handle indexed transparency correctly. png (which happens to contains an alpha channel). Jan 30, 2023 · I'm trying to create an avif image with transparent background. . webm video onto a png image. Sep 14, 2021 · How do I make ffmpeg create video that retains transparent background from *. exe -y -f lavfi But besides the fact that FFMPEG is a very powerful tool, it can be difficult and weird to use for newcomers. png Firefox and Chrome are able to show the transparency, so the alpha channel must be present in some way. How can I replace this transparency with a color (e. avif Not to complicate things, but it would be good if this could be addressed at the ffmpeg level, so that one could go from mov to webp animation, for example. From this answer I was able to remove all the b A little help needed to remove white background in mp4 and convert to alpha channel for . the sample img here: https://i. How can I achieve transparency while re-sizing it? My ffmpeg command is: ffmpe I'm trying to convert a webm file that has a transparent background to an mp4 file. Aug 23, 2016 · I am trying to convert a mov with alpha transparency to webm with alpha transparency, as seen here. ## Input Options - `-loop 1`: Loops the image continuously (makes a static image last for the duration of the audio) - `-i image. Command: ffmpeg Aug 17, 2021 · The current video is in MP4 format. Background: When you turn pixels transparent, you're in fact just setting the alpha value of a pixel to 00. png, etc. The animations are displayed just fine on all machines. amazonaws. %04d. I want to convert it to an MP4. Description Summary of the bug: The attached black and white MP4 video (which has no alpha channel), when transcoded to APNG using ffmpeg results in the background being transparent. 5 degree (not totally transparently ) , after testing your command it totally make the background transparently where i want to preserve the original one which has black transparently background (but totally transparent) Oct 15, 2022 · This tutorial shows you how to add an overlay on top of a video using the versatile and open-source FFmpeg command-line tool. Downmixed If you want a Oct 27, 2015 · I have 2 videos: background (mp4) and overlay (mov), overlay has transparent background. png -r 25 -vframes 250 -an -vcodec png test. gif|input-2. use imagemagick to convert the PNG to JPEG. My problem is that the transparency of image is not coming while re-sizing. Apr 3, 2020 · Error "Transparency encoding with auto_alt_ref does not work" when converting a . png, over-2. webm But I'd like to use webm transparency. I first created a color palette using ffmpeg -i video. com/3072bea creating a webm video with a transparent background using adobe after effects and ffmpeg involves a few I'm trying to use FFMPEG to create a video with one video overlayed on top another. png But actually with ffmpeg we can save transparent video (e. webm -pix_fmt rgba out/image_%d. `-c:v png` → Jun 5, 2021 · The "transparent color" is the color that is mapped to transparent. gif" \ -loop -1 libx264 -pix_fmt yuva444p \ -filter_complex "lut=a=255*0,setsar A complete working example: The source of our transparent input images (apologies for dancing): Exploded to frames with ImageMagick: convert dancingbanana. mov I chose PNG for the video codec because according to this post it supports transparency in MOV containers. Nov 16, 2022 · Render file with transparent background - Super User. input('video. png` → Specifies the input image file. I've tried using the overlay filter but it always puts a black background on the overlay instead of transparent. png -i device/input. I saw one example with lut=a=255*0 could help me maintain transparency but the result is a white background, not a alpha transparency. How can I preserve the transparency? Thanks ffmpeg -i background_image. webp input. There are a few more options you can explore for the FFmpeg showwaves filter including n and split_channels. Also, I'd like to know how I could combine the three steps into one call to FFMPEG. something dst. png -r 20 -vframes 100 \ -vcodec png -pix_fmt bgra mov-1. Jun 23, 2025 · Make sure ffmpeg is up-to-date: brew update brew upgrade ffmpeg Convert a MOV into frames. mp4\\ - Apr 16, 2023 · I'm trying to combine multiple png frames into a video with ffmpeg, keeping the transparency, to then combine it with an image. How do I de-alpha-y (remove the alpha channel) and make the background pure black with ffmpeg? Feb 1, 2024 · Thankfully, you can convert GIFs to transparent mov files with ffmpeg! This way, the GIF transparent background will be a transparent background in the mov file. Let’s see together how to overlay a video with a png. webm Feb 4, 2018 · I would like to convert png animation file to gif in windows, I choose to use ffmpeg, as I have many of pngs to covert, cmd is quite straight forward in this case. 28, 2021) Had some fun with ffmpeg, video and transparency after a request from a user! Jan 6, 2021 · Produce QuickTime compatible mov file with transparent background from png using ffmpeg Ask Question Asked 4 years, 10 months ago Modified 1 year, 9 months ago I can create a transparent background using lavfi by setting colorkey - but that gives problems with edges around fonts, etc. Thanks! A comprehensive guide on how to use FFmpeg to convert videos with transparency to WebP animations while preserving complete transparency and semi-transparent effects ffmpeg -i myvideo. png that convert the entire image to an alpha channel (both black and white are transparent) Jan 7, 2021 · ffmpeg -i background. See a general list of pixel formats Jul 25, 2023 · In a recent article, we explained how to add subtitle to your videos with FFmpeg. I tried doing this: ffmpeg -i input. Strangely, when I set the color to say red, it gives a red tint to many unfiltered areas. png All channels will be represented by various shades in the waveform. Hello folks, I wanna like to be able to sum two transparent gifs together and keep the transparency for the final result. It almost appears like its playing a Jul 8, 2022 · What is a method of determining if you are seeing a black or transparent background when working with videos without using anything other than the Windows OS? Feb 24, 2016 · I am re-sizing gif images using ffmpeg. Anyone know how to retain alpha? Oct 14, 2021 · I'm trying to convert Memoji from an iPhone/Mac into series of png with transparent background so I can create a sprite sheet. Main video: https://s3. Without aegisub If you want hardsubs you can use the subtitles filter to add the transparent background with the force_style option. Here's the code I've used: . mov files using FFmpeg, users often face an annoying issue – instead of receiving the expected transparent PNG images, the output Jan 8, 2016 · I know how to convert mp4 to webm with ffmpeg: ffmpeg -y -i me939371029. May 7, 2024 · I want export every frame like original source, in webm video is alpha/transparent video track, and if I try export with my base command will export with black background. png -r 30 -vcodec png video. ffmpeg. 2. Understanding code and default appearance In this tutorial, we won Apr 13, 2017 · How to correctly add expression to transparent background like on this question ffmpeg drawtext filter - create transparent background with text for my case (where there are 3 lines in bottom right Jul 27, 2019 · 1 I have a series of RGB PNG images and I'd like to turn them into a single animated GIF file with black=transparent. That guide uses Blender, but Blender's a desktop tool that's not Feb 16, 2021 · Shoot me an email so we can talk! In this video we talk about how to make a video with a transparent background using alpha layer transparency and ffmpeg. webm There’s only a few things to note here. I was recommended to put the output settings in the FFmpeg format with QuickTime container and encoding but my animation is still not having a transparent background when I render it. You have to generate this transparent background using the color filter. webm -i audio. png -filter_comple Aug 24, 2020 · I tried it with ffmpeg. mp4') kwargs = { 'w':'100', 'h':'100', Mar 9, 2016 · I have a video (original. ffmpeg input. m Nov 8, 2017 · The problem is I can't figure out how to set the transparency color of the GIF. webm Overlay I have an animated GIF with transparency. How do I use moviepy to combine them into a webm video with a transparent background? Aug 3, 2016 · I got the desired effect by using a png with alpha 0 in the areas I wanted, then using the alphaextract and alphamerge commands. WEBP via ffmpeg. This guide explains how to easily create such an image or video. Jul 3, 2013 · Please show your complete ffmpeg console output. Tweak the 2/1 if you want more or fewer frames. Download 1M+ code from https://codegive. 50%)? ffmpeg -i in1. In this tutorial, we'll explain step-by-step how to change the appearance of subtitles with FFmpeg. I have an MP4 of characters recorded against a Green Screen and have managed, through FFMpeg to strip out the green screen with an Alpha Key chroma filter in to a WebM. The background just turns white. webm output. webm -frames:v 1 -pix_fmt rgba output. gif -define png:color-type=6 over. I followed the steps explained here to no avail. May 29, 2024 · Discover how to easily remove green screens from videos using Transloadit's FFmpeg command, enabling seamless chroma keying for transparent backgrounds. The transparent part in the video turns black. txt -map " [overlay]" overlay. Here is what i tried: ffmpeg -i "concat:input-1. png images with transparent background? Ask Question Asked 4 years, 2 months ago Modified 4 years, 2 months ago Dec 24, 2020 · I am using ffmpeg to scale my PNG images, and I find the transparency turns to white after scaling. 4. Apr 22, 2020 · You have to use an encoder that supports transparency/alpha channel. The way we are thinking of going about it is taking an image, in PNG format with transparency, in the same dimensions of the video and then combining it with the source video to create the output we need. You could look at VP8 or VP9, which do support alpha. It ends out with the fact that we cannot: with background alpha = 0 and text alpha = 1, nothing is seen on image. `-i original. ffmpeg doesn't parse the bKGB chunk that contains this information as indeed you can't have both transparency and a background at the same time in ffmpeg. Jan 3, 2021 · 4 I have a set of 300 transparent png files and I would like to create a transparent video file from them. gif But the resulting GIF is not transparent. W ffmpeg -filter_complex filtergraph. When I do so, the transparent regions are filled with fully opaque white. Mar 20, 2023 · I'm trying to extract a single frame from a transparent webm video while retaining transparency. ffmpeg -y -i video. webm': Metadata: ENCODER : Lavf58. mp4), and then I have a series of PNGs with transparency that I want to overlay every frame in the video. Oct 27, 2022 · If an image is a typical non-transparent jpeg with white background. As I first thought it was a How to convert transparent gif to WEBM while keeping alpha? Hey, after seeing it done of FFMPEG after sites failing to do so, I still can't seem to find a way to get a few gifs which have transparency to convert to webm format without the white background that keeps happening in each case. ffmpeg -i input -filter_complex "subtitles=subs. Each file is named like file_name. mp4 output. Dec 16, 2023 · I have several consecutive PNG images with a transparent background, and a WAV file. So is there any way to preserve the alpha channel? Thanks in advance! You need to use a video codec that supports transparency. g. png output. Then you should hopefully just be able to pipe that movie into your original command where you had your image. jpg. Can you please make sure that animated GIF format supports semi-transparent background? I think it is not supported. Can anyone suggest how to go about this with ffmpeg? Sep 16, 2014 · Now you can use the AAS file to make hardsubs or softsubs with ffmpeg. I understand that the pixel format used in the output video must support transparency. tif -pix_fmt yuva420p -an output. Jan 7, 2023 · 0 Been trying this for some time now with little to no results. I need it as a GIF though. I'd like to join these png's into a video with ffmpeg Jun 15, 2022 · my solution so far i am able to do this with a two-step process : convert pixels below the threshold to transparent using ffmpeg's colorkey filtre, outputting a series as PNG. So, it appears the use a CDN that will automatically do this for you like Cloudflare or Cloudinary manually do it with something like ffmpeg ffmpeg -i input. I think that means alpha channel doesn't come toge Jan 15, 2020 · I am trying to compress/convert a GIF file to an MP4 through FFMPEG. Making Transparent Video with FFMPEG by Chroma Keying | Tutorial Legoman328 1. png -i image2colors. Aug 4, 2016 · Suppose I have a video foo. Our background image (scaled to Feb 25, 2015 · I'm trying to merge two transparent webm videos together while keeping their transparency using ffmpeg. How to reproduce: ffmpeg version = ffmpeg version 4. Mp4 doesn't have transparency so I'm trying to using this color: #D9DADB. See this post for example. How do I get transparent overlaid output? May 11, 2016 · I am trying to generate a waveform with ffmpeg, I want the background to be a solid color, and the actual waveform to be transparent. png *Command to create a transparent video:* ffmpeg -loop 1 -f image2 -i image1-0. com/medlike/logo. 3. mov -r 2/1 frames/%03d. png and so on, in subsequent order. png. It works but if someone knows how to get a transparent background straight from the perspective command, I would appreciate the help. My target is to wrap a video with an image whose background is transparent. 264 (using x264) which doesn't support alpha. ideally i'd like to do everything in one go, within ffmpeg. webm I even tried to extract the PNGs but they also show without alpha! ffmpeg -i myvideo. How can I make this conversion happen w Oct 28, 2025 · Check your input: Ensure good lighting and contrast between subject and background Avoid backgrounds that are similar in color to your subject Consider manually cropping to include more recognizable background Transparency Issues or Strange Colors If the output video shows distorted colors, green/purple tint, or transparency isn't working: Oct 15, 2019 · But they have merged support for alpha transparency in VP9 back in 2013. What's reputation and how do I get it? Instead, you can save this post to reference later. I am trying to put video with transparent background as overlay on top of background video. mov) with another video, it doesn't have the same transparency"? Nov 2, 2022 · I am creating a video with transparent background video with the following command. I have 2 MP4s. All parameters can be of course Jan 13, 2016 · I have two videos merged into one file using below command. GitHub Gist: instantly share code, notes, and snippets. mp3 -map 0:0 -map 1:0 output. png) while preserving its aspect ratio and saves it as scaled. Yes but the sample in question does not contain a bKGB chunk and is still displayed better by many / all other programs that support displaying png. Essentially, ffmpeg-like-tool [-- Apr 30, 2022 · with FFMPEG, I try to disable transparent mode for all frames in gif, from png files. \ffmpeg -y -i video. webm -c:v libvpx -vf scale=100:100 out. webm -c:v libvpx -pix_fmt yuva420p -metadata:s:v:0 alpha_mode="1" -acodec libvorbis converted. mov : r/ffmpeg r/ffmpeg Current search is within r/ffmpeg Remove r/ffmpeg filter and expand search to all of Reddit r/ffmpeg Sep 25, 2021 · Since most web browsers now support Webm with alpha channels, has Blender included a way to encode alpha channels to Webm? If not, could someone provide an ffmpeg cli command to render a png sequence to a webm with alpha channels? I don't see anything in the ffmpeg manual. 264 It works fine in 4. #SelfTaughtDev I've been able to do so successfully, except that the original WebM file has a transparent background, whilst the outputted file with the added audio does not. Jan 22, 2023 · The padded image with blue background color should be treated as a transparent background. something avifenc tmp-that-supports-transparency. this approach is very slow. So my winning combination was: Sign up to request clarification or add additional context in comments. The following achieves partially what i want, except that in ha Mar 18, 2025 · Audio data is often represented by a waveform image. mov (as per this post I would like to use avconv to convert a series of PNG images to a WebM video, preserving transparency. Waveform image The showwavespic filter is the easiest method to create a waveform image. mov file. 0001. webm video which has a transparent background when I play it and when I do ffmpeg -i input the file has alpha_mode: 1 but Stream #0:0: Video: vp9 (Profile 0), yuv420p so when i try to do any operation the resulted video always have the green background, so is there a way to preserve that transparency Update: just found the solution adding the decode, in case someone has the ffmpeg transparent png background color. jpg -filter_complex "[0:v][1:v] overlay=0:0:enable='between(t,0,0)'" frameWithJPG. mp4 -r 30 out3. mp4 -filter_complex "[0:v] palettegen" palet Mar 27, 2021 · I'm looking for an ffmpeg-like tool to blur/remove/change a static background from a "talking head" video, on the command line with on-device processing. Here's the ffprobe result for that video: Input #0, matroska,webm, from 'template. 63KB Dither FFmpeg Gfycat, internet explorer transparent background PNG clipart size: 1280x1024px filesize Jul 10, 2019 · I have a video that has a color I'd like to remove, and make into a transparent gif with ffmpeg. When press a spacebar I can clearly see it has a transparent background, Oct 20, 2021 · For example, something like: ffmpeg -i src. webm contains transparent background and But the alpha channel becomes white in webp. png Optional: crop the frames to 600x400px using 824,690 as top/left Sep 24, 2022 · I am currently working with the drawtext/alphamerge filters to have the text coloured with colorspectrum on a transparent background. All channels ffmpeg -i input -filter_complex "showwavespic=s=640x120" -frames:v 1 output. The following command was recommended elsewhere, but it doesn't seem to turn the black background into transparent. This command is optimized for creating a web-friendly video that combines a static image with audio, prioritizing fast encoding speed over maximum quality. -vcodec png -pix_fmt rgba out. You'll need to complete a few actions and gain 15 reputation points before being able to upvote. mp3 -filter_complex \ Nov 30, 2018 · I've been trying to use ffmpeg to create a gif with a transparent background, but whenever the movement goes on top of the background, the pixels stay there. The command creates the video but the transparency is completely lost. Feb 17, 2018 · I'm using ffmpeg to scale my WEBM file, by using below command: ffmpeg -i in. I am trying to convert it to . However, the background is always black and is either not output as transparent or does not render transparent. You can view a list of encoders with ffmpeg -h encoders and get further details with ffmpeg -h encoder=<encoder name>, such as ffmpeg -h encoder=qtrle. 1 Oct 22, 2016 · Learn how to replace video background color with transparency using FFmpeg while capturing, with detailed steps and tips provided. The exact same code however loses background transparency in the ffmpeg render on both my Linux and my Windows machine at home. The strategy I'm using is: Create a video from the PNGs ffmpeg - Jun 13, 2023 · I'm trying to export a video in transparent that works in the browser (I'd like to use it in canva), I've already tried to export in some formats that I saw in some tutorials, and the video is Jun 13, 2023 · I'm trying to export a video in transparent that works in the browser (I'd like to use it in canva), I've already tried to export in some formats that I saw in some tutorials, and the video is Apr 6, 2019 · ffmpeg overlay transparent animated gif over video and keep gif background transparency Asked 6 years, 7 months ago Modified 5 years, 3 months ago Viewed 10k times Feb 21, 2012 · Something like: ffmpeg -loop_input -f image2 -i background. I tried many options in FFMPEG, but with my many tests, I only get the first frame to be transparent disable, all Oct 27, 2020 · I want to trim a transparent webm video using ffmpeg. This doesn't happen with APNG, but APNG supports semi-transparent pixels. 4K subscribers Subscribe Jun 11, 2024 · Hi all, I am trying to overlay a transparent output. I am sure that the overlay has a transparent background. By default, mp4 uses H. ffmpeg -i device/nexus5_portrait. webm The output has correct resolution as I expected but the problem is transpar Aug 16, 2020 · 2) Assemble output and convert to . Nov 17, 2022 · ffmpeg Create GIF from image sequence and use transparent background Ask Question Asked 2 years, 11 months ago Modified 2 years, 11 months ago ffmpeg -i frame. A similar command that I would use to create an PNG image with transparent background doesn't seem to work with avif files: Jul 24, 2023 · Please use file names instead of $png, $gif and replace command = with full FFmpeg command. `-vf scale="160:-1"` → Applies a video filter (-vf), scaling the width to 160 pixels while setting the height to -1, which means FFmpeg will automatically calculate the height to maintain the aspect ratio. Then refer to the Supported pixel formats line: if has as " a " in the supported pixel format name, such as rgba, then it supports alpha. 1 and 4. May 14, 2017 · I tried setting the color to #00000000 (8 zeroes indicating a zero alpha), but that still resulted in a black background. 100 Dura Jan 7, 2021 · ffmpeg -i background. I need to make all BLACK pixels in the overlay video transparent so that I can see the main vi Download 1M+ code from https://codegive. mp4 which I am padding using: import ffmpeg v = ffmpeg. png that convert the entire image to an alpha channel (both black and white are transparent) Jan 30, 2017 · How to remove colour background into transparent or other colour with ffmpeg? Asked 8 years, 9 months ago Modified 6 years, 8 months ago Viewed 3k times You also learned how to create waveform videos with transparent backgrounds and how to remove the audio from the output video. 53KB Advertisements Computer Software Patch FFmpeg mpv Free software, others transparent background PNG clipart size: 600x600px filesize: 39. Sep 11, 2017 · Output. The png video comes with a black background so when i try to combine it with an image, the image is completely overlayed by the black background, how can I keep the transparency? Here's the command I use to combine the Mar 25, 2017 · I'm trying - with no success at all - to convert the green pixels of a background into transparent ones and output the result as clip with ffmpeg. I just need to add black (#000000) as the transparent color of the GIF. Hey guys I have a . png -filter_complex "alphamerge" out. How do I keep the transparency? I read https://superuser. png -i a. Unfortunately second video covers first video and it is not visible. png This extracts a fram The Problem: Black Background Output When attempting to convert . Using the libvpx-vp9 encoder, creating a video is as easy as this: ffmpeg -framerate 60 -i frame_%05d. But the output animated GIF still has a visible blue background color no matter if I put the paletteuse at first or in the end. So I t I created a GIF from PNGs with semi-transparent pixels and it had this outline. mkdir frames ffmpeg -i screen-recording. webm I know webm has an alpha channel according to this answer. I'd like to specify the color used to replace these Sep 27, 2016 · I have a series of png's that have an alpha channel as a background. com/a/556031 Jul 19, 2024 · To possibly answer some questions about the setup, my transparent background blender file uses: File Format: FFmpeg Video Encoding container: Quicktime Video Codec: Quicktime Animation When I use a similar file that is for animation that dont have a transparent background: File Format: FFmpeg Video Encoding container: Mpeg-4 Video Codec: H. I'd like the padding to be transparent but I get different behavior on different images. I do not want to lay the clip over anything; Jul 20, 2018 · I have a video with a transparent background. mov tmp-that-supports-transparency. Im find the similar topic here: FFMPEG waveform transparent, background solid color but the answer not working Dec 27, 2023 · Learn how to use HTML & CSS to make videos with a transparent background and captivate your audience. All is well but I am trying to figure out a way to preserve the alpha channel rather than the transparency turning to white. png What I'm missing at this point is how to maintain the transparent background of the original PNG. May 14, 2018 · I have a video with a transparent background that is very large despite being only 6 seconds. The video renders with transparency using my output settings, but the video is super choppy. For example, if you have a web page with that image on it, and you use style sheets or absolute positioning or some other method to overlay the image on top of other items, everywhere in the gif that has that color, the items behind it (including the page's background) will show through instead of displaying that color. It's a tree with a wind animation, this Apr 2, 2025 · The following command resizes an image (original. How to make second video transparent (eg. Said pixel can still have an arbitrary colour, no matter if it's green, blue, black or something completely different. Overlay a transparent PNG on a video If we assume our video and the transparent PNG overlay have the same width and height, just use the following command to overlay our video. b. Sep 23, 2025 · Want to convert WebM to GIF? Use an online WebM-to-GIF converter for free. Sep 29, 2018 · I tried to resize an animated GIF with transparency, but it turned the background a solid white. I was hoping I could compress it with FFmpeg but everything I try seems to discard the alpha channel Youll put a gif with a transparent background in the input folder and use these two commands: ffmpeg -i <gif you want to convert> -codec:v vp9 -crf 10 output. mkv and an image bar. What do you mean by, "when I try to merge this video (Output_people. May 9, 2021 · showwaves outputs a transparent background (unless your ffmpeg is super old), so you can overlay it onto the color filter: ffmpeg -i input. 29. png -vf scale=1080:1920 ou Jun 16, 2019 · I am trying to render a video spectrum of music using showwaves I need it to render with a transparent background (i think this is called an alpha channel?) I tried yuva420p but it's still Sep 11, 2017 · We know ffmpeg can help us with overlaying image on video. I'm using the ffmpeg command as follows: ffmpeg -f image2 -i anim. mov ) So let's say we want to render a video with opaque text over transparent background, for later overlaying. This includes font size, font, colors, etc. I can blend this image over the video like this: ffmpeg -i foo. You can also use Movavi’s desktop app to convert and edit multiple files. 2 and earlier the png comes out as expected, with some drawboxes and text over a transparent background. ffmpeg -i video. png, over-1. Upvoting indicates when questions and answers are useful. ) Inputs are named over-0. mp4 has a black background. mp4 -loop 1 -i alphamask. Dec 16, 2019 · I am using ffmpeg-python as a wrapper around ffmpeg. This comprehensive guide covers all aspects, complete with example commands. I have previously succeeded in converting it to . May 16, 2015 · ffmpeg drawtext filter - create transparent background with text Ask Question Asked 10 years, 6 months ago Modified 7 years, 4 months ago FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. mkv -i bar. Discover the concept of mask images in FFmpeg and their use-cases, including color keying, split screen effects, transitions, and selective filtering. png -vf palettegen=reserve_transparent=1 palette.
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