GStreamer, how to add a delay to one of the input streams?

I created a GStreamer pipeline that takes multiple input sources: camera audio/video, a logo and a screen capture video that is received as a RTP stream). It combines these sources into one video...

playing RTP/TCP/AVP video stream on Android

We are trying to play a video stream on the Android platform, with no success. Using the VideoView, we are able to play youtube mobile videos (e.g. this url works just...

Video Conferencing in .NET

I'm adding a chat functionality to one of our softwares, I've got the chat functionality up and running using WCF. I'm thinking of trying to add a video chat functionality again using WCF,...

Can you "stream" images to ffmpeg to construct a video, instead of saving them to disk?

My work recently involves programmatically making videos. In python, the typical workflow looks something like this: import subprocess, Image, ImageDraw for i in range(frames_per_second *...

Is there a way to create your own mediaStreamTrack using say, JSON objects?

The mediaStream interface on webRTC allows multiple MediaStreamTracks and these don't necessary need to be audio and/or video streams from your camera/microphone. How can I create a...

red5 oflaDemo RTMP stream URL?

I am setting up a screen sharing tool by creating a RTMP stream and broadcasting it via red5 server. I am using the oflaDemo and creating a stream in the name of screen_share. I succeeded in...

Real time face detection using Viola and Jones in MATLAB

I am looking to detect faces in real time video captured from laptop camera. I use MATLAB R2011a (not the latest one) which does not have any Cascade Object Classifier function to identify face...

Reading every nth frame from VideoCapture in OpenCV

Is it possible to read frames from a video in steps (eg I want to read every fifth frame of a video stream). Currently I'm doing this as a workaround but it's not very effecient. bool bSuccess int...

How to clear the GLSurfaceView

I'm using GLSurfaceView with video stream. Everything goes well. But when stream ends there is remaining picture in GLSurfaceView. How can I remove the picture from GLSurfaceView ? BTW when I jump...

Is it possible to convert a MediaStream to a video blob with html5

I am trying to capture a 5 minute long video from a web cam in a website. I am currently using an html5 video element to display the getUserMedia result stream. Is there anyway for me to get the...

Capturing video from two cameras in OpenCV at once

How do you capture video from two or more cameras at once (or nearly) with OpenCV, using the Python API? I have three webcams, all capable of video streaming, located at /dev/video0, /dev/video1,...

Return image url as result of web api 2 query

EDIT: I've update with a controller to get stream resources, but some how it still doesn't work public class ResourcesController : Controller { public string Directory =...

Android Chromecast Seeking behavior - Restarts Video from begining

I am trying to implement a custom seek (forward/rewind) functionality on top of Google's CastCompanionLibrary-android. I'm noticing a strange behavior where despite the user seeking to a non-zero...

gstreamer not flushing to the filesink

I have this gstreamer pipeline which works from the coomand line as: gst-launch-1.0 autovideosrc ! tee name = t ! queue ! omxh264enc ! 'video/x-h264, stream-format=(string)byte-stream' !...

Live Video Stream on a Node.js Server

I have been researching this a lot but am frustrated as I feel like the solution should be simple though I know wont be. Ideally i'd just want to use node to host the server, webrtc getusermedia...

Choose library for video streaming

I am currently developing a web app (using Spring MVC) in which I want to add 1 vs 1 video calls. I know webRTC and many APIs based on that like: twilio, tokbox, agora io etc. What should I use?...

OpenCV live stream video over socket in Python 3

I am trying to create a simple application to send live stream video over the socket in Python 3 with OpenCV. I am new to OpenCV and socket programming so if you can provide answer in detail I...

ffmpeg concat video size smaller than original videos

I'm trying to merge multiple videos using ffmpeg but the output of concat is half the size of original videos. Below is the ffmpeg command, ffmpeg -f concat -safe 0 -i input.txt -c copy...

how to stream multiple camera feeds to single socket in python

I am working on a module where i have to detect some predefined objects in the video stream. For object detection i am using YOLO. I need to process multiple camera feeds in parallel. I tried...

Use ActiveStorage to serve videos directly uploaded to S3

I am using ActiveStorage to allow users to upload videos to Amazon S3 and for them to view them at a later date. The videos are an attachment in a model Lesson. #app/models/lesson.rb class...

Using mediasoup server from flutter dart client with no mediasoup-client

I want to use mediasoup server from flutter app for two use cases. Send stream to server to record on the server side (preferring ffmpeg). One on one or small groups up to 4 live video chats. I...

Airplay stop playing video streaming when app is in background or device locked

I'am using an AVPlayerViewController for playing video in streaming. When I launch Airplay on the AVPlayerViewController on the Apple TV and put the app in background or if I lock the device, the...

How to embed subtitles .srt file into video stream using VLC

I have an .mp4 and an .srt and I'd like to cast them to a chromecast. apparently chromecast does not support subtitles tracks, so I need to encode the .srt file into the video. Using VLC, I tried...

Multiple instances of Gstreamer pipeline results in video corruption?

I am trying to stream 4 videos using gstreamer. I can stream 2 videos without a problem, but when I launch the 3rd gstreamer pipeline, all 3 videos become corrupted. Could anyone tell me...

Execution failed for task ':app:runCheckstyle'

After Implementing Huawei Ads Into My App I Am Facing The Following Error Execution failed for task ':app:runCheckstyle'. Checkstyle rule violations were found. See the report at:...

How to send live video captured from opencv in django to aws kinesis-video-streams putmedia endpoint?

To achieve: capture the live feed of a camera in web browser using OpenCV and send it to AWS Kinesis-video-stream(an aws service) using PUT_MEDIA(end_point). Have referred...

Discord.py - Streaming Youtube Live into Voice

I'm back on the stacks, was banned from asking questions because they were terrible apparently, but I need help on something I've done a lot of research on but cannot find my answer; I need to be...

How to detect when mjpeg stream stops with javascript

I have a html/javascript client that is listening to a mjpeg video stream: myImg = document.getElementById('my-image'); myImg.src = 'http://myserver.com/camera.mjpeg'; Works fine but if the...

TypeError: object of type 'numpy.float32' has no len()

I have had Tensorflow Lite running on a Raspberry Pi for a while to do some object detection, I have tried it on a few test models with no problems at all. Recently I tried to make my own model...

Video not streaming

I wrote a simple webapp for a huge amount of streamers. The streams are stable but audio/video not showing up. Maybe you have a clue why. See...