Questions tagged [live]

Live refers to the manipulation and consumption of a subject in real time without significant delay, as opposed to playback after it has been recorded.

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Setup with two monitors, show overlay on one but not on the other

I am setting up a musical project where our ensemble (5 people) will play live music to a silent movie. We seek the best setup for a live performance where: the audience sees just the movie (monitor ...
tomdeneckere's user avatar
0 votes
0 answers
33 views

How to inject video into a live stream?

When you have two or more live streams, and you want the ability to toggle between the two, such as switching to camera 2's feed on the main screen, how do you do that and what do you need to ...
espeed's user avatar
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1 answer
80 views

how to input ffmpeg to live loop 6 or 8 hours?

I'm currently using this, and i want it to be loop 6 or 8hours, how to edit this? ffmpeg -re -y -i HayDay.mp4 -c:a copy -ac 1 -ar 44100 -b:a 96k -vcodec libx264 -pix_fmt yuv420p -vf scale=1080:-1 -r ...
user41409's user avatar
0 votes
0 answers
253 views

What video container formats are similar to MPEG-TS?

I have been looking to live video streaming where a client can join the stream of bytes and play the video automatically. I have recently found MPEG-TS which seems to work pretty well, and I noticed ...
Jpac14's user avatar
  • 1
0 votes
0 answers
133 views

can I change ffmpeg crop position at runtime for each frame during stream

I am trying to move an Region of Interest (RoI) around a multi-camera tiled source (which will be too big to encode for smooth viewing), and stream this "live". The RoI is externally ...
leelio's user avatar
  • 1
0 votes
1 answer
75 views

Real time merging of two analog video streams (coming for wireless receivers (pal/ntsc)

Combining ANALOG video feeds -- real time/low latency We fly fpv. One pilot, one second operator controlling the camera, both have analog video feeds. Pilot vtx feed: backgrond gimbal feed: we want a ...
babipsylon's user avatar
2 votes
1 answer
1k views

Can I inject subtitles into a live stream with FFmpeg?

In my live streaming scenario I need to grab a video source and inject subtitles that I generate algorithmically during the stream (i.e. I do not know the subtitles upfront), and publish the streams ...
ilmiacs's user avatar
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0 answers
33 views

Live streaming with DSLR video cameras that have time-out recording

DSLRs, unlike camcorders, are often made to stop recording when a certain amount of minutes, like 35, passes since first pressing the record button. What's the point of this? Does this rule hold for ...
user610620's user avatar
1 vote
0 answers
690 views

Streaming video file to YouTube Live with FFmpeg - Automatically resume after crash?

ffmpeg -re -i [FILENAME] -codec copy -f flv rtmp://a.rtmp.youtube.com/live2/[STREAM KEY] I'm able to use this command to stream a video file to YouTube Live without re-encoding. If FFmpeg crashes for ...
Ash Raj's user avatar
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0 votes
1 answer
340 views

Stream video using FFmpeg with minimum writes reads to disk

We are streaming a video using a 30 instances of docker containers hosted on Azure each instance running FFmpeg. The problem is that Azure limits the reads/writes that a container can do. Is there a ...
user33276346's user avatar
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1 answer
26 views

video chroma keyed background into Skype [closed]

I speak to my sons via Skype (for Win 10). I have a new green screen, and would like to surprise them by pretending to be on a beach when we next talk. Zoom can chroma key in a beach with waving palm ...
Colin Rowat's user avatar
1 vote
0 answers
173 views

OBS Audio MIDI Control

I use OBS to create technical demonstrations, and had the thought: What if I could regulate my audio levels using a MIDI Controller? The Korg NanoKontrol has faders that I could use to mix, but now ...
Micah Wagoner's user avatar
1 vote
1 answer
848 views

How do I prevent Wirecast from crashing? [closed]

I'm attempt to livestream from a 2016 MacBook Pro, but for some reason Wirecast (12.2.1) crashes. It doesn't matter what I'm doing, it only stays open for a couple of minutes, then it just completely ...
CJT3's user avatar
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1 vote
0 answers
464 views

Changing DASH Parameters in FFmpeg on the fly?

I am using FFmpeg to create MPEG dash segments from my camera and playing it using Shaka Player. But I want to change the segment size (For example 2 seconds to 1 second) without creating a new ...
Trycoder's user avatar
0 votes
1 answer
43 views

Dump keyframes of a livestream

I'm trying to create a "highlights" gallery for an event that's been livestreamed (say an Apple product launch keynote or similar H264 stream) - is there a way using FFMPEG to dump all the keyframes / ...
Sudhir Jonathan's user avatar
2 votes
1 answer
416 views

Make Youtube live streaming available to another country after end streaming

I have an youtube channel that makes a lot of live streams. But i have different countries watching at the same hour in its own time zone. I have a live streaming on Brazil starting 6PM and finishing ...
tiagopotencia's user avatar
4 votes
3 answers
30k views

Use Streaming Online Video/Live As Source In OBS Studio

Is this possible? Use others or your own Facebook or YouTube live stream as source in obs or any broadcast software and then broadcast it on another page or channel.
Anshuman Chandel's user avatar
1 vote
1 answer
2k views

DASH Live vs OnDemand profiles

I've read about dash profiles and from what I understood the difference between live and on-demand profiles are that live furthermore splits each representation into segments (which is critical for ...
Gershon Papi's user avatar
0 votes
0 answers
221 views

Improve FrameServer performances

I followed ffmpeg guide to install debugmode frameserver. All works fine except with the fact that the frames served does not goes up to 25 fps. FFmpeg reports a speed of 0.9x.. My initial goal ...
user3450548's user avatar
  • 1,670
8 votes
1 answer
28k views

ffmpeg - live stream into a browser video tag (localhost only)

I'm building an application, that is basically a video chat, where a user connects using WebRTC with another users (operator) browser, and should be able to talk to a third person. The WebRTC part is ...
user23829's user avatar
2 votes
1 answer
1k views

High cpu usage with FFMPEG copying video codec from HLS

Reposted from superuser: https://superuser.com/questions/1340574/ffmpeg-copy-hls-high-cpu-usage I have a set of batch scripts (Windows 10) to create an "instant replay" for some (11) HLS streams ...
Gordon's user avatar
  • 106
3 votes
1 answer
168 views

Live Video object tracking

Is there any (Open Source or Low Cost) software that can track x,y position of objects in live video? An example would be tracking the position of a player in a soccer match.
AlexL's user avatar
  • 131
0 votes
3 answers
8k views

Canon 800d/T7i clean-hdmi?

I've just bought a Canon 800d to use that as live cam recorder (using elgato game capture). The problem is that the hdmi output has the focus box and I've managed to remove that only in manual focus ...
Fabio Filippi's user avatar
2 votes
1 answer
647 views

Trim a segment of live, still-encoding H.264/FLV with ffmpeg

I am encoding a video with ffmpeg into H.264 stored in an FLV container. I would like to be able to trim segments of this video out as it is still encoding. The video contains no audio. I am encoding ...
seanr8's user avatar
  • 123
0 votes
1 answer
39 views

What do I need for facebook Audio Live streaming?

I would like to do audio live streaming on facebook. I intend to get audio feed from myself, from a guest sitting next to me, from a guest over the phone and a guest on Skype. And then stream it on ...
daniel's user avatar
  • 3
0 votes
1 answer
96 views

Adding graphics into video real time (lightweight)

In a nutshell I want to place a basic object, specifically a line, over a live feed of video from camera. Use case scenario: Simple camera connected to Arduino is capturing scenery which is displayed ...
Libor Vojtek's user avatar
6 votes
2 answers
182 views

One long continuous shot, sped-up until it becomes "live"

I have an idea for a video project (that I will need to commission a studio to produce for me), but at this early stage I don't even know whether my idea is feasible. The idea involves turning (hours ...
eggyal's user avatar
  • 161
3 votes
2 answers
53 views

If the environment being captured on a video stream becomes less complicated, does the bit rate and latency decrease?

For example, a live GoPro video is being streamed to a HDMI capture software on Windows. The live stream of an office with the lights on has a bitrate of X and a latency of Y ms. If the lights in the ...
Robin Alvarenga's user avatar
1 vote
0 answers
58 views

Overlays and local ad insertion for live streaming

I have an event coming up and i am only broadcasting on youtube via OBS,i want to have overlays(the person who is on stage name appearing from the bottom) and locally stored sponsored ads to the ...
Tithira's user avatar
  • 276
3 votes
2 answers
743 views

How can I mark or tag spots in a video clip during a live recording

A couple of years ago I reacll seeing something on a crowd funding platform. It was a way to 'tag' or 'mark' a portion of a video during live recording. i.e. if you just had a sports play that you ...
Mark's user avatar
  • 31
0 votes
1 answer
81 views

Datavideo KMU-100 FORMAT

I was able to get only one 4k camera signal into my KMU-100,to get 4 HD outputs. The issue am facing right now is, How do i get my two 4K cameras working on the KMU-100? Because,the format i used for ...
Jude Arrialexa junior's user avatar
2 votes
1 answer
270 views

I want to run two 24/7 livestreams at once, both these streams will be on Youtube, is it possible?

I want to run two 24/7 livestreams at once (both on Youtube), using an intel nuc device with the assistance of obs studio software, is this possible? If not, how can I run 2 24/7 streams at once ...
user19612's user avatar
2 votes
0 answers
108 views

Switching channels without cutting video into clips in kdenlive

I'm using KDEnlive to edit multiple videotracks. I have the tracks synched, but they are different lengths. In a preview of the video I can sort-of live edit by switching off different video-channels. ...
Erik Oosterwaal's user avatar
1 vote
0 answers
242 views

Add an overlay (video or text) to multicast tv stream

What i have 10 decoder which subscribe to private multicasted TV channels. 10 TV to display what the decoders outputs (connected though HDMI). What i want to do I would like to to add an overlay (...
Anthony Raymond's user avatar
1 vote
0 answers
89 views

4 Camera Instant Replay

I am doing a live stream and would like the following video flow. I am able to handle all parts of this except for the Instant Replay. How could I accomplish the instant replay? I have 4 PoE Pan ...
Eric Johnson's user avatar
1 vote
1 answer
6k views

Use A6000 as webcam type camera

I need to do a live stream and I'm looking for a way to connect my Sony A6000 to my computer so that it can be used as a camera for Facebook Live. Any ideas?
Isaac Riley-Wasserman's user avatar
0 votes
2 answers
1k views

Send webcam feed to server for buffer

Let me explain my problem: I have 2 webcams looking out over the beach but my internet connection is very slow. So i'm looking for a way to buffer the videofeed to a server and then let my clients ...
Jelle Dijkhuizen's user avatar
-1 votes
2 answers
762 views

Facebook Live Stream crash

I am using OBS to stream on facebook. I could connect to facebook with OBS and see preview at facebook (audio and video is streaming in preview mode at facebook). When I go live it stop working. What ...
Luxqs's user avatar
  • 1
4 votes
4 answers
5k views

Multi-source, picture-in-picture live stream

So I have some experience with live production, but I want to do something a bit more complex and need some things cleared. This project would use multiple cameras (lets say 5), some non-camera ...
Delltar's user avatar
  • 348
0 votes
2 answers
7k views

Camcorders that can stream directly to YouTube

I've googled for the last couple hours and couldn't find any real answers. In short, are there any camcorders that allow you to live stream your video straight to YouTube. All the camcorders with live ...
Luke Madhanga's user avatar
3 votes
1 answer
48 views

How does media manage to co-host a show from two continents without latency?

Bloomberg TV features programming daily where the anchors co-host the show from both London and New York at the same time. Interaction between the co-hosts at the different locations are instantaneous ...
P A N's user avatar
  • 1,793
0 votes
1 answer
2k views

FFMPEG RTSP -> MPEG-DASH Stops on Long Streams

I need to provide MPEG-DASH live content generation from several IP cameras. I use ngx_rtmp_module + ffmpeg for creating MPEG DASH content. Everything work fine, but if I leave the conversion running ...
ArhiChief's user avatar
0 votes
1 answer
78 views

Wirecast to wirecast

I am running a broadcast and would like to include content from 2 locations, each location has the ability to stream from wirecast. Is it possible to stream from wirecast at location 1 to wirecast at ...
Daniel Lane's user avatar
2 votes
2 answers
2k views

Resize a live stream and overlay over another live stream for broadcasting

I'm working with ATEM Production Studio 4K from Blackmagic to switch between several video feeds that are broadcast using Wirecast onto Youtube from a Mac. Our ATEM product is not one of the switchers ...
user14581's user avatar
1 vote
1 answer
86 views

What software is used to add animated characters to live TV?

Specifically, I am wondering how Cartoon Donald Trump was added, voiced, and puppet-ed in clips such as
mikhuang's user avatar
  • 111
4 votes
1 answer
9k views

Dash live streaming

after a lot of googling and after I've read tons of forums, I'm still not able to do a live stream using my cam to another device. My system is made up by a server ( a windows laptop ), that capture ...
user66350's user avatar
1 vote
1 answer
4k views

best way to publish low latency video on ffmpeg

I am trying to publish a stream of live video that need to get to the client side in under 3 sec in latency. I am using vMix to capture a 720p/50 stream from a camera, that by virtual camera letting ...
TLM's user avatar
  • 11
0 votes
1 answer
32 views

starting new need help [closed]

The hope is to be doing interviews in breweries and restraunts the guy who was set to do it has bailed and so has his equipment amd knowledge. I was wondering whats the best starter equipment to get ...
Luke Shaika's user avatar
3 votes
5 answers
356 views

Live streaming to a disk

Not sure if this is the right place to ask this question (pretty technical), but I thought I'd start here. I'm interested in building a website that will have a streaming-video feature. It's not ...
Will's user avatar
  • 31
1 vote
1 answer
156 views

Live streaming an event

I want to live stream an event on YouTube with my DSLR. Will I need a HDMI capture card? If yes can you please list a few inexpensive ones. Also, please mention if there are any other ways for me to ...
KidCoder's user avatar
  • 113