Questions tagged [streaming]
The act of transmitting media over a network for consumption in real time.
259
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Horizontal Blanking Interval (Idling Time) optimization
I have questions regarding the time slot in-between two frames of video stream, i.e. Horizontal Blanking Interval (let's say HBI in the following), seen as Idling Time sometimes.
Considering a CMOS ...
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FFMPEG watermark + hls multi stream
i want to convert mp4 video into hls multi resolution (360 , 720) and add watermark image inside the output segments
i did two result but missing the watermark image with the multi scale
//one hls ...
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Strange effects in streaming with Facebook live
I'm streaming some songs with a video in Facebook live using OBS Studio and VLC player. In some particular songs, I get the strange effect that the video speeds up. I could understand that the video ...
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.ts included stream links gets stop after some time in exoplayer
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I have a link that streams. When I use the link for an IPTV player like Televizo, this plays for an unlimited of time, but when I use this link to my app Exoplayer or my computer's VLC player, this ...
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restreaming rtsp using ffmpeg delay problem
I have ip and usb cameras. I try restream rtsp from camera using ffmpeg and mediamtx (rtsp simple server). For usb camera it works fine without any delay:
mediamtx output:
anton@anton:~$ ...
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Use ffmpeg to transform rtsp stream containing B-Frames and no DTS into fragmented mp4
The goal is to play a rtsp video stream in the chrome browser using Websocket and MSE. The structure of the system looks almost identical to https://stackoverflow.com/questions/73562944/ffmpeg-live-...
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Stream an MP4 file via HTTP in a QuickTime-compatible format using FFmpeg
QuickTime supports streaming from an HTTP server, for instance try opening https://ia801307.us.archive.org/18/items/kontikipart2/kontikipart2.mp4 via File -> Open Location.
However, streaming the ...
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Pink and green color on overlay logo
I ran into such a problem with hls streaming, adding filters to the overlay logo, but it was smeared with pink and green stripes. Has anyone come across this.
ffmpeg -f concat -safe 0 -re -i <(for ...
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How do I display 4 different outputs with HDMI when I only have one input device?
I have one laptop with 4 different applications running on it. I would like to separate these 4 applications into each television. Each television will display one of the applications. I have bought 1 ...
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Broadcast is interrupted while streaming udp with ffmpeg
When I start a UDP stream with ffmpeg on Debian 11 server, I'm trying to transfer this UDP stream to set-top boxes via the Stalker portal. However, when I start watching these UDP streams through VLC ...
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Live Streaming a Live Event
TLDR: What do I need to do to set up a decent quality live stream of a live event? I'm talking gear, setup, the whole thing.
I'm no stranger to video production but I'm getting an increased amount of ...
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Project: Use smartphone as webcam, add AR-filters to videostream, send output as feed to smartphone for further usage within mobile app
If the title is leaving you with a big "!!?!" then... my bad... I am lacking the needed vocabulary I guess. lol PLUS... I don't know if what I am trying is even feasible.
Here's what I want:
...
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What type of issues does Sony FR7 have with NDI?
What issues does Sony have, if any, with the NDI protocol?
Is the image as good if it was recorded in camera?
I appreciate any help you can provide.
Here is a list of the items Im researching
Sony ...
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ffmpeg works with laptop webcam but not with android camera
I am working on Macbook with M1 Chip with this ffmpeg version locally installed.
ffmpeg version 5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
built with Apple clang version 14.0.0 (clang-1400.0....
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ffmpeg dash output for multiple resolutions to be in the same mpd file
I am using ffmpeg to convert an input stream into multiple resolutions and creating an mpd for each resolution.
So far, so good.
But I am trying to find a way to create a single mpd for all ...
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71
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Looping segments breaks some players
I used ffmpeg to generate some segment files that I'm using as slate to play before a program starts. Using nodejs, I'm generating a an m3u8 file that loops perfectly in HLS.js, but on some players (...
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Raspberry Pi Youtube Livestream - ffmpeg error: av_interleaved_write_frame(): Broken pipe
I'm using a Raspberry Pi 3B (OS: Raspian) to livestream an attached camera feed to YouTube using the following command in a python script(I removed the livestream secret key):
raspivid -o - -t 0 -vf -...
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routing rtmp ect streams via ffmpeg+python is it possible?
Is it possible to solve this problem using ffmpeg+python or in conjunction with another solution.
I need a server solution, so Vmix, obs, etc are not suitable. (
eg: I have two (and/or more) streams
...
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1
answer
266
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FFMPEG: FIFO buffer to smoothen bandwidth requirements?
I'm trying to achieve something pretty simple, but it's very hard to describe:
There is a live video stream which uses h264 for it's video, and m4a for it's audio. This stream is not mine, and I have ...
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Intra-refresh mode in x264 encoder causes browser's player freeze
I'm building low delay live streaming with use webrtc. My server application use gstreamer and UDP as transport. It works fine except that lost UDP packets leads to too long drops. To improve user ...
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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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598
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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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774
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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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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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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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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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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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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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630
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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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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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314
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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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1
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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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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, ...
- 111
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543
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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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