I am developing an application that includes functionality to play a video with per-frame animation. You can see an example of this functionality. I already tried to add CAKeyFrameAnimation to a su...

In my app I'm using several surface views (for displaying videos and google maps), displayed on the screen in the same time. Now I have to add the possibility to change the configuration (position...

Can anyone explain why this autoplay video is not working in chrome? The video is stored in firebase storage. It plays when you visit a page and then go back to home page, but not when you first e...

I need to convert mp4 video(1280×720) to webp file(512x512) such that the resulting webp file maintains aspect ratio and also gets entirely contained in 512x512 and the uncovered areas at the top a...

Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this: ffmpeg -i file.mpg -r 1/1 $filename%03d.jpg ?

I really want to get more into video/audio encoding and decoding, and I’ve heard that ffmpeg is a good tool, but I can’t find any good tutorials for it. Does anyone know a good way to learn it?

We are working on a project to convert video to audio, and this is the sample code: from converter import Converter from moviepy.editor import * c = Converter() clipv = 'g.mp4' clipc = VideoFileCl...

How can I convert a .mpg video to .mp4 without losing quality? My attempts below: $INCPATH = dirname(__FILE__).'/'; $id = 99999; $ext = "MPG"; $input_dir = $INCPATH."../img/videos/...

I'm trying to get highest video resolution as possible through JS navigator.getUserMedia. I know about constraints, but don't know how to choose right in my case. The problem is looks like there i...

What's the most efficient way to acquire the webcam stream directly into WebGL as a texture? The standard process (as documented in Three.js) is to use the video tag, then manipulate it in a canva...

I'm trying to build a video player that works everywhere. so far I'd be going with: <video> <source src="video.mp4"></source> <source src="video.ogv">&...

I need simple video playback in Java. Here are my requirements: PRODUCTION QUALITY Open and decode video files whose video and audio codecs can be chosen by me. I.E I can pick well behaving code...

how can I remove the black background from a html5 video? It appears for a few seconds while loading. Using CSS didn't work. The HTML: <div id="start-screen"> <video id="video-element"&...

How Could I completely hide HTML5 video controls? <video width="300" height="200" controls="false" autoplay="autoplay"> <source src="video/supercoolvideo.mp4" type="video/mp4" /> </...

I want to combine two mp4 videos to form a single mp4 video using ffmpeg. what i tried so far is: ffmpeg -i input1.mp4 -i input2.mp4 output.mp4 But, every time i get the video with video codec of ...

I want to display a list of video cameras attached to the user's computer, and when they select one, display streaming video from that camera in an HTML5 <video> tag. How can I get a list of...

Using the below, Chrome is not respecting the media queries to display the correct video source based on the device width. Chrome is just playing the first source it finds as you can see here: http...

This is more of a conceptual question than a technical one. My understanding of H.264 is that it relies on past and future frames in order to compress video data. Its trivial to take a fully compre...

I'm trying to set the currentTime for the html5 video on window scroll event. Basically the idea is to move forward or backward in the video timeline as you scroll the page. This example here is ...

I have installed the latest version of scikit-video=1.1.11 and the latest version of numpy=1.26.1. When trying to load a video as >>> import skvideo.io >>> skvideo.io.vread('video...

I want to capture video from a webcam and save it to an mp4 file using opencv. I found example code on stackoverflow (below) that works great. The only hitch is that I'm trying to save it as mp4, n...

I'm accessing an mp4 file on the web - it runs just fine in the browser but for some reason I can only seem to get the audio portion to work in my app. Any help would be appreciated. Relevant Grad...

I am using opencv-python==4.5.1.48 and python3.9 docker. I want to save a video in h264 format. Here is my function to save a video: import cv2 def save_video(frames): fps = 30 video_path = '/ho...

I am trying to convert a .mov file with alpha transparency into a .webm file and have been following this thread for help: Convert mov with Alpha to VP9 Webm with Alpha Using ffmpeg The command li...

The width=100% height="auto" scales my videos to fit the whole width of the browser window, but if the height of the window is lower than the aspect ratio the video gets cropped in height. I want ...