Questions tagged [video-streaming]

Continuously sending video data to devices such as other computers, mobile phones or TV sets.

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Ffmpeg: Is it possible to use -itsoffset option without transcoding for live RTMP streams?

I am using -itsoffset option for delaying the video track of a live RTMP stream by few seconds but the problem is that I must use -c:v libx264 or other codecs, I cannot use -c:v copy, I want to use ...
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Why is there no unrar program to unpack a stream, when a video packed with rar can be unpacked with VLC?

I can unpack a rar stream with VLC, and writing its content to STDOUT. cvlc "https://example.com/rared-video.rar" --sout="file/mkv://-" vlc://quit|pv > /dev/null Unfortunately ...
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FFmpeg live streaming to ffserver delay at start

I'm trying to achieve a simple camera streaming using FFMpeg and FFserver. I have two slightly different systems acting as source, both Debian OS: the first one runs ffmpeg 3.4.8, as indicated in ...
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Decompressing video to limit hardware requirements for playback

I have an un-typical problem. I am trying to find out is it possible to decompress the encoded video file so the playback device is capable of playing two separate 4k streams (low-end GPU). It is ...
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ffmpeg play youtube hls m3u8 with hardware acceleration

(1) I get the hls/m3u8 url from video ID with yt-dlp. (2) I play the hls/m3u8 url with ffmpeg/ffplay. ffplay "https://manifest.googlevideo.com/api/manifest/hls_playlist/.../playlist/index.m3u8&...
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FFMPEG: Invalid data found when processing input

I want to use mp3 stream as an audio to video stream using ffmpeg. Here is audio stream: http://nspj.radiozamosc.pl/ It worked really well until today. I have no idea why it stopped working as audio ...
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How to share YouTube video and audio on Google Meet

I'd like to be able to share a YouTube video during a Google Meet, with audio, high resolution, & minimal latency. Is this possible / what's the best way to accomplish that? Things that don't work ...
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ffmpeg - Redownload missing fragments to fix downloaded stream

I have dowloaded an H.264 video stream using ffmpeg -i <URL> -c copy <name>.mp4 but ffmpeg reports that it has skipped some fragments. Since the stream is still online (with, I suppose, ...
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FFmpeg reads input from stdin causes warning: thread_queue_size

I have a standalone, customized filter written in python. The filter keep reading from stdin rawvideo and outputs each processed frame as raw bytes. I want to use it for a webcam so data comes from a ...
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Sharing Microsoft Stream videos to external users

Is there a way to share microsoft stream videos to external users? (that don't have a Microsoft account). Downloading and uploading to share point isn't really an option as I'm getting the 'failied - ...
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Understanding live streaming options: server-based master programme, with synced, live cloned/mirrored streams?

I have a specific use case in mind, which I will describe at length below (apologies, I don't think I can describe it briefly, without ending up being misunderstood) - however, even after hours spent ...
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OBS Sound getting very delayed (25 seconds)

Setup I am receiving a RTP over UDP Stream with Audio and Video inside mpegts stream and using AC3 audio codec in OBS. The OBS source object I use is a simple VLC Video Source and it is configure to ...
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ffmpeg hangs when camera powers off, 'q' doesn't exit

I am using ffmpeg on Windows to record video from my 3D printer. When the printer loses power, ffmpeg hangs and does not respond when I press q. ffmpeg -i "http://ultimakersystem:8080/?action=...
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Generate ts stream from image file

I would like to create a ts stream from a still image. I tried: ffmpeg -f image2 -i image.png test.mp4 ffmpeg -i test.mp4 -c copy output.ts test.m3u: #EXTM3U #EXTINF:-1 tvg-id="none" tvg-...
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Viewing an RTSP stream

I have a number of Foscam Fi2918w cameras that all stream fine using HTTP. I need to change one of them to use RTSP via VLC. I consistently get back an error that says only that it can't open the ...
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ffmpeg error 429 Too Many Requests when downloading .m3u8 stream video

I was using ffmpeg for one website to download videos because it had very slow connection speeds during online viewing. Everything was working fine, but a few weeks ago something changed and now I ...
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HLS+fmp4 not working

fmp4 video file is readily playable when served to iOS and Android, but it is being served full media in a single go. So, In order to serve chunk-wise, used HLS. But unable to play on iOS and played ...
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Streaming HEVC SRT from ffmpeg to ffplay through ethernet, how can I determine latency and cpu usage of each step?

I'm streaming desktop capture from a Windows 10 computer indirect display on two monitors to a Raspberry Pi 4's two hdmi output ports. Now the RPi 4 is getting maxed out on the cpu when running two ...
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What is the difference between download, progressive-download, streaming and pseudo-streaming

Let me put my understanding first, lets say we are referring to a video file. download => In general download, file cannot be played unless it completely downloaded. progressive-download => Here,...
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Save a local file URL .m3u8 stream using youtube-dl

I have a local .m3u8 file containing stream information. I would like to use youtube-dl or a fork to download the stream. When I pass the local file to youtube-dl it gives the error that it is ...
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Chromium hardware acceleration and animations makes all monitors lag in video playback

I have been experiencing some very, very odd issues with Chromium on Windows 10 and 11. I tried two different Chromium based browsers (Chrome and Brave), and they both do the same. A little about my ...
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Video-Colors washing out when notification or window-preview from taskbar pops up

I googled like 2 hours and can't find any fix or problem description which fits to my problem. I use a ASUS ROG Zephyrus G14 GA401II-HE084T with following Hardware: 14", 1920x1080, 157ppi, 120Hz ...
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Raspberry Pi 4 for Media Server: Low-power replacement or Downgrade?

Looking to use a Raspberry Pi 4 as a low-power and small form factor replacement for an aging media server. Currently running an i5 4690, 16 GB of RAM, and a 2TB RAID 1 array. Used for movie/tv ...
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obs-studio on Fedora 34: Only captures *some* windows?

I'd like to use obs-studio to stream some desktop sessions. I'm running Fedora 34 with Nvidia drivers (akmod-nvidia-470.63.01-1.fc34.x86_64) and x11 rather than Wayland. In OBS, using the Window ...
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How do I make FFPLAY automatically skip ahead while playing a stream without distorting audio?

I've been a long time lurker, but now I've gone and made an account. Like I said in the title, I want to play an SRT stream with FFPLAY, but whenever a drop in the connection happens, I need it to ...
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Relay RTSP to server

I have a setup like this, Device 1 is running Raspbian with a custom made software (Python), on a Raspberry Pi 3, and can access to the video stream via rtsp://SOMEIP. Device 2 is running Windows 10 ...
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What's the technical difference between Edge and IE11 video streaming when Accept-Range header is disabled

I've a page with a video on it. When I open the page and play the video, the browsers are sending their request to the server and the server returns the video with the status code 206. Everything ...
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Can I convert a video download link to a online video streaming?

If I have a video download link, can I convert it to a link that I can watch the video online by clicking on it? Or is there any website to put a video download URL and watch the video online?
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How to make ffmpeg handle .isml/smooth steaming? (As input)

I'm trying to restream a smooth live stream with ffmpeg but just says: https://not.real/link.isml/Manifest: Invalid data found when processing input and adding -f ismv just results in Unkown input ...
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Ffmpeg hardware acceleration unsupported formats betwen transpose and auto_scaler_0

I am trying to develop a transoding service which makes use of nvidia hardware acceleration capabilities ( The gpu used in this process is a Tesla T4); I want to generate a mpeg-dash playlist for my ...
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Show stream of IP camera in modern browsers

My camera has RTSP and i know that RTSP cannot be played in modern browsers. What is the best way to show live stream from IP camera in my web application. I need open source solution and if it ...
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1 answer
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scaling filter fails when coverting size of video using ffmpeg

I wanted to convert size of a video using ffmpeg but it fails with following error. ffmpeg -v verbose -i Running-Map-Reduce-program-on-EMR_frag.mp4 -vcodec h264 -filter scale=800x600 -f mp4 -...
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1 answer
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How can I play a Blu-Ray movie on Google TV without first ripping it to another format?

If I put a Blu-Ray disc into the Blu-Ray drive on my PC, is there an easy way to cast\stream it to my Goolge TV dongle that does not involve ripping the movie first (Just playing it live straight from ...
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362 views

ffmpeg dropping frames when restreaming an RTSP stream to YouTube

I am trying to use ffmpeg in a 'pass through mode' where I take an existing live stream and restream it onto a specific address (in this example, YouTube). It works when I call a local video, but when ...
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243 views

ffmpeg hangs during m3u8 capture

I'm experiencing frequent hangs when attempting to download an m3u8 playlist. I've tried the -nostdin and -loglevel error switches, as suggested here: https://stackoverflow.com/questions/16523746/ But ...
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1 answer
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Packet corruption during download, then ffmpeg hangs

I was getting corrupted packets during capture of an m3u8 playlist, so I added the +discardcorrupt flag, as suggested here. However, this results in a program hang. The stream steadily slows to a ...
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How to display live frame rate on top of video using ffmpeg?

I want to display live frame rate over video using ffmpeg.I am using following command to get the frame number.Is it possible to get the frame rate as well?.Thanks. ffmpeg -re -stream_loop -1 -i /dev/...
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My Blackmagic Atem Mini Extreme wont go on air

I recently got the new wonderful Atem Mini Extreme, however when I try to go live on Vimeo i just get a flashing on-air button. Eventually the cache fills up and I'm still not on air. Help what can I ...
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1 vote
1 answer
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Recorded videos colours are really bright. But only on some software

Ever since I got a new computer and a new monitor my colours are really bright when recording my screen. Since I'm a designer it makes me look like I've designed some weird designs and the clients ...
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Cannot stream video over cabled connection, but Wifi works

On my laptop (Windows 10), I can stream a video from the internet when it's connected over Wifi to my DSL modem, but not if it's connected with a cable to that same modem. 'Normal' internet works fine ...
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1 vote
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speedup preview of video while it is being downloaded using FFMPEG

I need to download cca 10min clip from a much longer video from server every day. So to save bandwidth and time, I want to see a preview and stop right after the desired part ends while it is still ...
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m3u8 to mp4 lossless conversion with VLC or any other free software on Windows

I have read this and several other posts on this site; however, none has answered my question: I'm aware, that I can convert m3u8 streaming file to the mp4, and I only do this with VLC player on ...
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1 vote
3 answers
119 views

Clone one/several windows inside another window for streaming (GNOME)

The need : I am live coding using OBS. I often need to show different windows on the live stream. I also have sensible windows that I absolutely don't want to appear there by mistake, even for a ...
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1 answer
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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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How to make your computer fan quieter during voice/video calls without headphones?

Wearing headphones is an obvious solution to a noisy computer fan, since it takes the microphone much further away from the fan. Turning off unnecessary applications is another way to help reduce ...
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1 answer
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How to autocaption a video?

I want to play videos and autocation them. I have some training videos and I want to see speech to text like what we have in youtube.(to show text under the video) I don’t want to upload files ...
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1 vote
1 answer
150 views

How can you speed play mp4 files in chrome?

I was looking for ways for auto-generate subtitles for mp4 files and I ran across chrome's experimental features of live captioning. However I also want to play the mp4 file at 1.5x speed. How can I ...
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How to download videos from cisco webex browser viewer? [closed]

My university streams lectures using Cisco webex and then uploads a link for every single lecture so we can see the recorded video like this: https://imgur.com/a/aqzpGN0 There is no way to download ...
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265 views

Fixing video container keyframes for live streaming

I have a capture card that is handled by a program which I intend to run in a Raspberry Pi 3 (I compiled for it) to stream video locally to a Chromecast. This program is run and spits out video data ...
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2 votes
0 answers
242 views

ffmpeg lags when streaming video+audio from RPi Zero W with Logitech C920

I've been trying to setup a baby monitor with a Raspberry Pi Zero and a Logitech C920 webcam. It does work with VLC (cvlc) but it lags too much and gets worse over time. So I am playing around with ...
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