Questions tagged [streaming]

The act of transmitting media over a network for consumption in real time.

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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 ...
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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 ...
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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 ...
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How do I verify that the H264 video stream is encoded with a single slice per frame?

I'm a software tester and I need to test a certain requirement for a vehicle camera that I'm not sure on how to test. As in the title it's to verify that each frame is encoded with a single slice. ...
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Dynamic video "animation" overlay

I'm working on a project for a tabletop video stream. The goal is to be able to show card animations overlaid on the stream using voice commands. When I first searched for how to accomplish this, I ...
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FFMPEG conversion failed at random times on live stream to youtube

I am running a bash script using ubuntu server on arm64 that live streams video and audio to youtube, heres the script below #! /bin/bash VBR="8000k" FPS="24" QUAL="superfast&...
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Converting WEBM files recorded by JavaScript Media and Streaming API

I'm developing a video recorder application in JavaScript/Electron. The user can talk into the camera, and show pictures, videos, or play audio files. These assets can be superimposed over the video ...
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Multiple streams from one PC

I am currently doing 2 streams on Youtube using 2 programs. One with OBS Studio and the other with Streamlabs OBS. But now I need to add another stream and I want to find out if it is possible to make ...
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I have .mpd file with video and audio data downloaded, how can I play it for offline use?

I want to ask that I have downloaded data which contains audio and video data separately like 1.mp4, 2.mp4 etc in both audio and video folders. Video/Audio folder content :- I also have it's .mpd ...
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Ways to enhance video experience on video streaming apps

We have a video delivery prototype on Android. A user takes a short video (H264 formatter), sends it to the cloud, and all other users can watch the video on their home. What are some ways to enhance ...
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Transcode a video that is still downloading to a streaming output

I'm making a video player that plays files while downloading them. The problem that I face is that electron (= chrome browser) can not play some formats (e.g. H265 encoded MKV). I want a solution that ...
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Ways to faster video streaming on video apps

I'm studying short-form video delivery apps like Instagram and nowadays, TikTok, especially as it relates to faster video streaming and lower playout latency. We understand apps like Youtube or ...
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Adaptive streaming with ExoPlayer in Android

I have the following code that uses ExoPlayer 2.4.0 API that simply plays a MPEG-DASH video. As I understand it, based on the estimated bandwidth, it selects the right track. But whenever I run it, it ...
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Hiding hls playlist/dash manifest

I have noticed that some websites are hiding dash/hls files. I looked at the responses from youtube and I only found presigned url to full video and audio, this same with Spotify. How it is possible ...
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Does a smaller video file streams fasters than a bigger video file?

0 I developed a simple video player app in Android that plays two mp4 videos from a HTTP URL. One is a smaller file (HEVC formatted) and the other one a bigger sized file (H264 formatted). Basically, ...
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My church has Livestream Studios and it is not simulcasting to Facebook live?

Recently purchased premium Livestream Studios and though it streams to Livestream it is not automatically streaming to facebook live. This is currently activated in our simulcast page, but the ...
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Live streaming I, P, B Frame in a message switching system

Will individual message in the message switching system be an individual I, P or B frame? Or each message can be a combination of frames, like - 1st message is only I-Frame, and then second message ...
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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 ...
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Live stream of a website

I need to live stream a website that contains image, video and audio to Twitch.tv. Researching a solution brought me to this Github example that runs on Heroku.com. Dockerfile: FROM jrottenberg/ffmpeg:...
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Increase video recording efficiency on smartphones

I am working on a smartphone app that records a video and uploads it to the cloud. Now I'm trying to find ways to increase the performance and quality of videos. Given sometimes the bandwidth of the ...
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ffmpeg aborts streaming to SRT when client stops playing

I'm using ffmpeg to stream using the SRT protocol, with for example this command: ffmpeg -re -f lavfi -i testsrc \ -c:v libx264 -g 25 -preset veryfast -tune zerolatency -r 25 \ -f mpegts "srt:...
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Trouble combining audio and video streams

I have two streams, one audio and the other video. I'm trying to combine them using this command: ffmpeg -y -i audio.m3u8 -i video.m3u8 -c copy Video.mp4 I found this syntax here: https://video....
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A 2 Gigabyte MP4 file on AWS S3 can be played on Browser instantly (no need to download the whole file before streaming), why? [closed]

I thought when streaming a mp4 file on a browser, the browser needs to download the whole MP4 file before playing, because the player needs to know metadata like video codec, audio codec, etc. and ...
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Low latency on SRT stream

I am new to this and wondering, how can I get the lowest latency sending an SRT stream? I can’t seem to get under six seconds. Using, latency=10000
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Video Stream Loop FFMPEG for YouTube, what is missing here?

I am using FFMPEG for streaming 24/7 mp4 video on youtube. The video is somewhere in 2 minutes, the stream starts but does not go on replay, what should I do? I am using this code: @echo off d: cd &...
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Why do we still have difference between Media Time and SMPTE Time Code?

I'm implementing a web application which works with video sources with SMPTE time codes printed on it. Often the SMPTE and media time differs, my understanding of the reason based on what I have read ...
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YouTube multiple audio tracks

I have a problem. I want to do YouTube videos with two voice-overs. And i know that it is possible because Assassin's Creed: Valhala's first trailer has it. But i can't find any way how to do it. Any ...
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YT stream key - best practice?

Like so many American workplaces, my campus moved this year to a lot of virtual interactions and events. I work in live events management, so I mostly dealt with a lot of Zooms and Blue Jeans, but one ...
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Streaming MP4 files through HTTP without HLS or DASH?

I am building a web application that consists of a web client and a server. The web client needs to play a continuous stream of MP4 files to the user, preferably through a player like video.js. The ...
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How to save (download) a live video which has an m3u8 file?

I have a LIVE streaming video which have an m3u8 file, but in that stream I can only go 40s backwards. That means it only has 4 segments which are 10s long.here's the link to m3u8 file(it might not be ...
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Streamable Container for gstreamer with ngnix / RTSP on jetson nano

Im working on this project : https://www.hackster.io/jonmendenhall/jetson-nano-search-and-rescue-ai-uav-9ca547 At  some point I will need to mount my camera (waveshare ; IMX219-77IR) on  top of the ...
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HLS stream playing only when first segment is in m3u8 list

I am transcoding a live DVB-T2 HEVC stream to H264 using ffmpeg. I have decided to use the HLS (segmented) output format (because I want to play the stream in a web browser, e.g. on Android phone). I ...
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Infinite loop RTMP Stream Using FFmpeg or Equivalent

I'm trying to do an infinite loop RTMP stream on a CentOS 7 server and it seems like FFmpeg would be the best way to accomplish that. However, I cannot seem to coax FFmpeg into doing it despite ...
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How to broadcast on Instagram via obs?

I've seen a bunch of paid services that provide the ability to stream to Instagram via obs, but how are they arranged? How can I implement this myself?
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4 answers
3k views

Schedule a live stream of a pre-recorded video

I have a pre-recorded (edited from dozens of sources) event that I wish to play as a "live stream", i.e. the video starts streaming at a specified time, and viewers must watch it in sequence ...
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Mixing multiple streams into one, posible?

How you can I implement a virtual mixer from different streams. When a streamer downloads an obs, it broadcasts the stream directly to the streaming site. Is it possible to make the stream go to ...
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340 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 ...
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2 votes
1 answer
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How to skip/minimize encoding workload in OBS?

I am a beginner and I am trying to stream a local file to YouTube Live. I noted that when I start streaming on OBS using the below settings, the CPU usage is at 35-40%. Since, I am using a local file ...
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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 ...
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python for loop result in ffmpeg command

hi im trying to insert for loop results in a ffmpeg command i tried some code but all i get is first text with no sound and it glitches and freezes i tried many modification but no success i ...
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synchronization of ingested live streams on media server & playback device (obs)

I have multiple input sources for A/V streams I want to publish to a media server, and then have those stream broadcasts to be able to be sychronized for playback, for instance, as two separate media ...
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Video hosting with local control

I am writing a web application with video lessons in sequence. I want to use a streaming service for high availability and compressing content for different viewports. I would like the user to watch a ...
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2 answers
789 views

clean HDMI output camera - on start

I am looking for a 4K camcorder or DSLR camera for live streaming (tangential question: is camcorder or DSLR better for that?). To have live streaming, I need pure HDMI output. Currently I do it with ...
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Is it possible to push an video stream via OBS to a video server for consumption by another OBS Studio?

Just wanted whether this was possible. I know that within OBS, I can stream video from my phone camera on a url like localhost:5050 when I used a "turn phone into webcam" app. So I was wondering, ...
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How to create widely readable video stream with ffmpeg?

As for test I use just a file with data as input and I would like to stream it as video. For this purpose I used ffmpeg: C:\tools\ffmpeg-20200523-26b4509-win64-static\bin\ffmpeg.exe -y -f rawvideo ...
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FFMPEG Live stream loop with overlay - Errors

I'm trying to do a livestream with a video loop, sound from the desktop and an overlay image that updates when I replace the file and a text that also updates when a file is replace but I seem to be ...
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FFMPEG to YouTube: YT says "Unsupported resolution for latency configuration ... The current resolution is (65535x65535)"

I've a facility that runs on a Windows machine, that records the screen to disk, and it works well. It takes audio streams from two virtual sound cards and a stream from the display and produces a ...
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Serving static video content directly vs. via adaptive streaming protocols (HLS, DASH)

Is there an advantage of serving static video content (not a live stream) via adaptive streaming protocols such as HLS or DASH over serving them directly as files using HTTP server in terms of speed? ...
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679 views

Remove freezes in stream record using FFMPEG

I have original video with stream record. I need to remove freezes caused by network issues. I notice that sometimes it freezes only video, sometimes video and audio. I tried to use command: ffmpeg -...
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Network Stream reloading in a loop (Nginx/RTMP Streaming Server)

As the generic title suggests, I do not know exactly how to explain my problem, neither do I know what could cause it. Hopefully this ends up to be the right place looking for help, as I do not find ...
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