Questions tagged [streaming]

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

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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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Pros and cons of Adaptive Video Streaming for short videos

In the standard adaptive streaming approach, like MPEG DASH, a video is available at multiple bitrates/quality levels called representations, with each representation video segmented into small chunks,...
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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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25 views

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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60 views

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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31 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 ...
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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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31 views

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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What sort of network equipment can I use for outdoors streaming?

I am helping a friend who wants to start streaming outdoors. However, many of the locations that we wish to stream at have either poor or no cellular signal. We were wondering what sort of equipment ...
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what's wrong with my gstreamer line?

I need to stream a video from my server, i'm connected trough a vpn, and the remote site has a out bandwith of 200KB(sic!). So I need to resize and lower the bitrate of vid. I have tried this line gst-...
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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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Is playing encoded video across the LAN considered "streaming"? Is H.264 a good codec for playing video over LAN

I'm a software engineer, but I still need terminology enthusiasts to help me with some terminology and usage for the term "streaming". I have setup a SMB (Samba) share on my Linux home ...
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60 views

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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84 views

Affordable internet connection bonding setup for streaming with Blackmagic ATEM Mini?

I'm helping a small formation with limited budget with their first livestreams. We would prefer to stream directly from the ATEM ethernet port (not via streaming software on a computer). We learned ...
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72 views

How to build RTSP Server from RTP Stream?

Context I have a DVR that has a camera and it uses a SIM card to communicate with the external world. If the DVR receives an instruction over TCP to perform live streaming, the DVR starts sending RTP ...
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How to grab multiple image from a live stream:

Questions: On the links below you can see a live stream from the Danish Great Belt Bridge: Streaming from Danish Great Belt Bridge Pylon Streaming from Danish Great Belt Bridge from landside How to ...
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how to find if a rtsp stream is h264 or not?

I am using GStreamer to save videos coming from RTSP. I use the RTSP URL provided by the CCTV manufacturer to get the stream. The DVR says it supports h264. I am able to save the video file. I use ...
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Stream multiple videos back to back MSE

I want to stream multiple videos back to back seamlessly with MSE. Can i do this with MPEG DASH (i would need to generate the manifest file on the fly through an api, i cant prepare it in advance) or ...
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236 views

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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I have an ffmpeg/ffserver setup and can watch the video feed through VLC, but it bounces around, why would that be?

I have an ffserver and a couple of ffmpeg commands running. The video and audio does go through. The audio works as expected, although it dies off in less than 24h. Now, the video... works (it goes ...
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133 views

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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311 views

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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552 views

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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335 views

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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494 views

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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43 views

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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2k 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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280 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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1answer
143 views

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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107 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 ...
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278 views

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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110 views

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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1answer
36 views

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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2answers
740 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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22 views

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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319 views

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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233 views

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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279 views

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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1answer
97 views

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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594 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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332 views

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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