Questions tagged [streaming]
Streaming is the process of continuously sending data from a server to a client host. Often used in video or audio transmission, live streaming is a time-critical process that makes high demands on the underlying network used to deliver the data.
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"FIFO queue full" and "Failed to update header with correct duration" with >1 Mux channel
I'm capturing video from Blackmagick Decklink Mini Recorder 4K capture card on Ubuntu 20.04 with ffmpeg 4.3 and I want to send it to several different servers to restream. The video signal is 1080 25p....
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Offload live streaming to phone or another computer?
I want to live stream something from an older hardware laptop that struggles to stream the screen while doing something else. So I wanted to offload the processing of the stream to either a phone or ...
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I want to time-shift a webinar on Linux
These days I happen to follow webinars or discussions with little or no interaction from the public, be they on Zoom, Teams, Edumeet or whatever. I mean, I often do not need to look at them in real ...
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How to correctly handle FFMPEG errors?
In my project I need to read from a stream that sends live content in HLS format and then save this content locally in a specific folder appending this data from the previous record to the new ones.
I'...
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How to append a stream record to previous data recorded?
I have a question about the append process in FFmpeg. Actually I have a live stream that comes from Wowza in HLS format (.m3u8 and .ts). Everything works fine if the stream doesn't fails.
In this ...
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Is it possible to set keyboard shortcuts for a video streaming website like Youtube?
Youtube already offers a list of keyboard shortcuts. What if I want to set a different shortcut, for example, ctrl+shift+p for Pause/Play? Can I use a Javascript library like Mousetrap for the purpose?...
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FFMPEG - Screen capture with mic and speaker audios
I am trying to record and stream the screen along with audio from microphone and speakers. So far, I am able to record from either the microphone or the speaker, with the following codes.
ffmpeg -f ...
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FFMEG one input multiple resolution outputs for streaming and recording
An input rtmp stream I need to encode in multiple resolutions with different audio bitrates. Each of these outputs is streamed and recorded too. tee muxer doesn't seem to be working. I am trying
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How to add DRM to a Live-Streaming URL?
I want to add DRM to a Live-Streaming URL. I have setup a Live Streaming with NGINX in a EC2 instance. So is it possible to add DRM to the Live Streaming ? If anyone have any suggestion please suggest....
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What impacts on a computers ability to record footage from a camera?
I was wondering if any could give me a brief overview of what affects a computers ability to record footage from a camera. I'm confused as to what makes one computer/setup good for recording when ...
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A way to combine an audio and video stream into one window for Discord?
I'm trying to stream a VR game to my friends on Discord, but when anyone streams (Screen Share) a game or any application on Discord, Discord only captures the audio coming from a window. And when I ...
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Understanding DASH and mpd files – where is a list of m4s files?
I am using website https://bitmovin.com/demos/drm to test and learn.
The site requests 11331.mpd file and gets back information about 5 different resolution video streams and 1 audio. All with the ...
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Cannot cast to Smart TV from laptop
I've tried to cast video from my laptop running Windows 8.1 to the Smart TV, and despite the laptop can detect the TV, when trying to send the video stream, on tv I only get to see the video filename ...
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Multiple LTE connection bonding for live streaming
I'm trying to build a device that does LTE connection bonding over multiple data plans for use in live streaming. It needs to be low latency but I'm willing to send duplicate packets/waste data. I ...
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ffmpeg UDP streaming artefacts
I keep looking for days to find a solution to my problem, but just can't figure it out.
So the problem is whatever settings I do in the stream through UDP multicast or unicast, I always get half ...
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How do I add audio to my stream with ffmpeg -i hw:0,2 does not work
Im trying to stream my desktop with audio to icecast but Im getting this error
[alsa @ 0x561796555320] ALSA buffer xrun.
here is my command
ffmpeg -video_size 1680x1050 -framerate 25 -f x11grab -i :0....
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How to save file to a “virtual local drive” and have the data streamed to a remote drive?
(This is for Windows computers.)
So, the reason why I need this is not really relevant, but generally speaking...
I have a program which takes a long time to generate a huge file (like 100's of GB).
I ...
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Unable to open ffmpeg mpegts stream on a UDP port on Windows
I am trying to display a stream from ffmpeg in a video player.
Originally it was a camera input, but the issue is the same for video files and screen captures.
The code I'm using is a variant of ...
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PixelFormat ignored in ffserver.conf
Im trying to stream my desktop screen to browser on my tv with ffmpeg so here is my CLI
./ffmpeg -probesize 1000M -framerate 60 -video_size 1680x1050 -f x11grab -i :0.0 -f alsa -i default -c:a aac -c:...
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How can I set -profile main in ffmpeg when steaming
Im trying to stream my desktop to ffsever server with ffmpeg and I discovered that browser does not wont to play H.264 (High profile) videos only main and lowers so I added
-c:v libx264 -profile:v ...
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ffmpeg overlay live video streams and live stream the output
I've got two live streams running on Wowza Cloud, both with video and one also contains audio.
I want to overlay one of the video feeds as a picture in picture video and then stream the "merged&...
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Issues with WiFi on Windows 10
I have a strange issue on Windows 10. When I am watching YouTube videos (or any other streaming sites) the first 4-5 minutes load fine and then the WiFi sort of goes into a "sleep" mode and ...
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ffmpeg streaming to Steam, errors and feedback
I am streaming a concat playlist of 30fps videos using the following:
ffmpeg -re -f concat -safe 0 -i ~/myplaylist.txt -c:v libx264 -preset veryfast -b:v 6000k -maxrate 6000k -bufsize 2M -g 60 -c:a ...
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Audio/video streaming is out of sync after a random period of time
I'm using the NodeMediaServer, a stream server developed in NodeJS, with FLV and FFmpeg, it work very well but after a random period of time the audio/video streaming is out of sync and I don't know ...
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MJPEG stream from webcam not working
I have 5 HD Webcams (Creative Live Cam Sync 1080p) and want to stream the pictures with https://github.com/jacksonliam/mjpg-streamer on Debian Buster 4.19.0-11-amd64.
All of them support MJPG, as you ...
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MPC-BE fails to render files that MPC-HC renders
I am switching to a new computer. I have MPC-HC on my old computer, but I understand that version is deprecated, so I installed MPC-BE on my new computer instead. However, I find that MPC-BE cannot ...
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Create RTMP stream from website via Linux command line
I have a webpage with video and audio that I would like to relay to an RTMP stream. This would preferably happen via command line on a Linux machine.
I know FFMPEG can be used to create RTMP streams ...
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How can I capture and combine video which streams through short MP4 segments?
I'm streaming some video on a certain website, and was hoping to save the stream to a file. Using my browser's Developer Tools console, I see that network-wise, the player client downloads short .mp4 ...
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Optimum usage ratio for broadband [closed]
A headteacher I friend has asked my advice regarding how to optimise broadband usage in anticipation of another covid lockdown.The current speed is about 100GB and at peak usage there are about 200 ...
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Merge audio and video stream in ffmpeg
I saw "https://superuser.com/questions/277642/how-to-merge-audio-and-video-file-in-ffmpeg" and for a project we need to retrieve video stream (RTMP) from a camera and an icecast audiostream ...
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Is sending a file with multiple TCP streams a good idea?
Imagine I got a large file and I want to send it through a TCP connection. The typical way is to use a stream and send continues bytes through it. But the question is, is it possible to send this file ...
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How do I stream JPGs to v4l2loopback with ffmpeg?
I'm trying to use ffmpeg to stream images into v4l2loopback, but it seems like only pngs work. Here's the command that I am using, where <image> is the path to an image, and /dev/video63 is a ...
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Multiple ffmpeg processes and multiple RTMP outputs
Debian user here.
Desperately looking not even a solution but at least a hint about how to debug this situation.
I need to run multiple ffmpeg processes simultaneously:
ffmpeg -loglevel error -f ...
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FFMPEG restart live stream recording
Is there any way to restart recording live stream automatically when ffmpeg stop it?
ex. There is a live url and I want to record it but after some mins stop recording because of some reasons I need ...
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How to stream RTSP behind firewall to server
I'm looking for a way to unicast the video stream of an IP camera to a VPS on the internet for recording and live viewing. Like on any network, the IP camera is behind a firewall, and also port ...
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Audio stuttering only during live stream using OBS and only when 'full'/complex
Not sure if this is the right community to post this in, so please advise where, if not here. Been streaming our church service with great success for 22 weeks now since the beginning of lockdown in ...
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Secure remote viewing of IP camera stream/recording
I am trying to setup internal camera to watch over an infirm elderly family member. I need to be able to view it from a remote connection. While researching, I noticed nearly every guide simply uses ...
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Continuously live streaming video of the latest image in a folder (Win or Linux)
I have a camera taking pictures every ~second and saving that image to a remote network folder in YYYY-MM-DD hhmmss.jpg format (2020-12-31 232359.jpg). The filenames aren't necessarily sequential, ...
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Sniff HTTP Requests from TV
I'm trying to find a solution to sniff get requests of Smart TV when in request video from the service server. I'm trying to get m3u8 playlist.
My current setup is mac + tv (wifi) and router Asus with ...
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using FFMPEG, what is the lightest way to stream a mostly static picture? (in terms of bandwidth)
I want to optimize a radio-like stream for youtube or twitch that features a progress-bar refreshing 5 times per second. Except for this progress-bar, the other parts of the video is static. Every 10 ...
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Recording a network stream using VLC
I am trying to capture a video network stream and save it in a file. I have found a couple of articles on how to do that using VLC, but none of them worked. All of them used the procedure outlined in ...
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MPlayer doesn't play libopus in TCP MPEG-TS stream by ffmpeg
I'm trying to setup ultra-low p2p streaming using FFMPEG and MPlayer with MPEG-TS stream over TCP. As aac codec introduces notable additional latency, I'd like to use libopus instead. When I do so, ...
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Scaling Application for video decoding using ffmpeg
I am building an application to read multiple IP camera streams (rtsp) and run different Machine Learning Algorithms over it in real time. For each camera stream,
I spawn an ffmpeg process which ...
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Why does streaming video require so much memory?
I've noticed that Chrome starts discarding tabs when free memory is down to about 1.2 GB. The only reason I can find for that level of caution is the large amount of RAM required to stream both live ...
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looking to improve qaulity for video output
For the last 5 years I have been streaming a live stream 24/7 from a streaming studio which requires low latency rtmp output to a web based player client.
I am using vMix to capture my sdi signal from ...
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Is there a way to stream audio from Windows to macOS with low latency?
I'm looking for a way to stream audio from an application or system output device on a Windows system to a mac over my local network. I need it to be high quality and low latency (less than 50 ms).
If ...
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Ffmpeg: Choppy audio when streaming through RTP. Audio and Video sync issues
I am trying to stream video and audio through two separate RTP channels and then retrieve and play them on a client through webRTC and play them in sync. I am able to retrieve the packets on a webRTC ...
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FFMPEG add concat into lavfi
This is my code:
VBR="1500k"
FPS="25"
QUAL="superfast"
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2"
KEY=""
VIDEO_SOURCE="0005.mp4"
AUDIO_SOURCE="radio.mp3"
NP_SOURCE="song.txt"
FONT="dejavu/...
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buffer deadlock prevented error from RTSP streaming over UDP
I have an issue to view RTSP streaming over UDP in the open VPN connection.
Our project is to integrate 360 degree IP camera in unity system. And we want to get the UDP streaming rather than TCP to ...
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Methods to stream desktop to laptop
Due to unrelated circumstances I may need to move my desktop into a room where space is an issue and it is not possible to add another dedicated computer screen. I would like to stream my desktop to ...
