Questions tagged [video-streaming]
Continuously sending video data to devices such as other computers, mobile phones or TV sets.
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buffered stream and FFmpeg seek
Due to memory usage, we need to use a buffered solution to load a small chunk of blocks of streams in memory instead of loading the whole stream with:
avformat_network_init();
std::uint8_t *...
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1
answer
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ffmpeg - cut without reencoding and strange behaviour: application provided duration is out of range for mov/mp4 format
In Ubuntu 18.04 I quite often used the following command for trimming part of the video without re encoding (which means without any quality loss).
ffmpeg -ss 00:06:00 -i DSCF5984.MOV -t 00:07:00 -c ...
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Why is my VLC video capture output garbled?
I use a video capture card, which pretends to be a webcam as a way to get video output from another system to a windows 11 tablet or other PC. You can't fullscreen the camera app - so I was trying to ...
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Can YouTube (e.g.) send a video file once and multiple users stream it?
Can YouTube (e.g.) send a video file once and multiple users stream it? Or does YouTube need to send the file to each person individually, even though all of the users live in the same region?
If it ...
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Can Movies & TV app on Windows open a video from a link? [closed]
I know that there are some other modern media players. But Movies & TV performs quite well in terms of HDR. Now I found its only flaw perhaps is the lack of playing video from a link.
For example, ...
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Redirected RTSP video stream cannot connect to server
I have an Auvidea video encoder/decoder that allows me to stream video via RTSP. I would like to redirect the stream from it to another server. As a server I use MediaMtx software previously known as ...
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ffmpeg concat with filter eats up all memory
I have been trying to produce a indefinite loop of a list of videos in a folder. For testing purpose, I am using only 2 videos as input. I then concat them to produce an output of 1280X720 output.
...
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How can I HTTP stream a USB webcam plugged into my headless Ubuntu Server remotely?
I have a USB webcam plugged into my computer running Ubuntu Server at home. I want to access its video feed remotely.
I am connected to the server's network with a VPN, so I can SSH into it using ...
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av_interleaved_write_frame(): Connection reset by peer
When streaming live video to a streaming provider who utilizes FFmpeg, the stream is temporarily stopped, and the encoder logs the following:
user.err ffpublish[1:0]: av_interleaved_write_frame(): ...
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Delay video (and audio) by x seconds in FFMPEG HLS Stream
I have an input HLS stream stream.m3u8 using my macbook camera by running:
ffmpeg -f avfoundation ^
-framerate 30 -i 0 ^
-c:v libx264 -c:a aac -b:a 128k ^
-ac 2 -crf 5 -preset veryfast -...
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VLC player cannot read the stream broadcast set up by itself. What could go wrong?
I'm trying to set up a H264-encoded stream on rtp over a local area network. Starting from setting up a source on localhost (127.0.0.1):
$ cvlc v4l2:///dev/video0:chroma=YUY2:width=640:height=480 --...
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How to save HLS stream with adaptive bitrate
I have been trying to monitor the impact of network on HLS stream. I have a HLS stream with different bitrate (360/720/1080) and I would like to save video as played in player with adaptive bitrate ...
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Is there a way to get playlist metadata with ffmpeg without reading segments?
I'm using a command ffmpeg -i file.m3u8 to parse .m3u8 file and get it's metadata
Everything's good if at least one of the segment listed presents, but is there any way to get meta info without ...
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Streaming Video over UDP with ffmpeg - h264 low latency
Hello fellow video codec enthousiasts,
I'm curenntly working on a little system to play games in my living room using my office's computer. I'm trying to stream my screen through UDP with the lowest ...
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Ffmpeg gentle stop sending
Good day. I'm trying to do a simple video sending and receiving on two computers that are on the same network. Video simulates streaming (video conference for example). I want to use ffmpeg but have ...
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Artifacts when watching videos online
A couple of months ago, artifacts started appearing when watching videos on YouTube and other online platforms. They look like color distortions in bright areas (See examples). When I switch to full ...
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how to download m3u8 stream with query?
I have Downloaded classic m3u8 links that ends with m3u8 like
xxx.yyy.zz/aaa.m3u8
that contains no query. with vlc player. I am ok with this type.
Now I have a problem with m3u8 link than contains ...
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ffmpeg works only 2 instances
I have 3 usb web cameras. I'm using Windows 7.
And I need to create 3 video streams:
ffmpeg -f dshow -i video="Full HD webcam" -vcodec libx264 -tune zerolatency -threads 0 -b 900k -f mpegts ...
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How to display the latest photo in a directory in real time?
I'm generating .png images with GnuPlot from a stream input and saving them into a folder in realtime. I want to display the latest image in a window as they are generated, like a realtime video ...
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ffmpeg -headers Command how to allow certain domain name
I'm working on XUI ONE server , XUI Panel has the option to set default http header using ffmpeg headers command.
I have searched on google unfortunately there are very few documents on ffmpeg headers ...
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Using ffmpeg-python to combine cv2 video streaming and pyaudio audio streaming
I want to use my camera and microphone to get living video and audio streaming and use ffmpeg to combine them.So I write it by python.there is my code.
import os,pyaudio,cv2,ffmpeg
p=pyaudio.PyAudio()...
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use ffmpeg-python to combine the living cv2 video and pyaudio audio streaming
I want to use my camera and microphone to get living video and audio streaming and use ffmpeg to combine them.So I write it by python.there is my code.
import os,pyaudio,cv2,ffmpeg
p=pyaudio.PyAudio()
...
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1
answer
530
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Streaming local file through http with VLC
original question for reference
using vlc -I qt a.mp4 '#http{mux=ffmpeg{mux=mp4},dst=:8080/stream}' --sout-all --sout-keep the video is playing locally fine with both audio and video but I got some ...
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663
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Cannot get vlc to stream correctly through command line
I use the following command:
vlc -I qt myfile.mp4 #standard{access=http,mux=ts,dst="8080/stream"} :sout-all :sout-keep
and my error log is the following:
VLC media player 3.0.16 Vetinari (...
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Which options are incompatible with CRF, CQP?
What settings should not be used when using CQP, CRF modes. I read that 2pass mode is not compatible with constant quantization modes. It is also recommended to disable adaptive quantization. Maybe ...
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How can a Barco ClickShare device share different content to two different monitors?
(Not sure if this is the right community in StackExchange so direct me if in wrong place.)
We have meeting rooms with two monitors up front. In the past we would show presentation on one monitor and ...
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Foggy text and freezing in Firefox over XPRA
I'm forwarding Firefox over XPRA and the text is blurry. Also, the application freezes often for several seconds, even though there's plenty of system resources to run Firefox. I tried playing with ...
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How to convert home movie DVDs to .mpeg files?
My wife brought me a box of DVDs with her home movies from her life before me. I would like to store the contents permanently on our Linux home server alongside 100,000 jpg files and some more recent ...
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Live video in facebook is lagging while using ffmpeg from video link
Livevideo in facebook is working fine for local device video(case 1) but its having lagging issue from video link(case 2) using FFMPEG.
Please find command for the same and log.
Case 1 - Command : ...
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av_interleaved_write_frame(): Cannot allocate memory, Error writing trailer of udp
I'm transcoding from udp input to mpegts udp output. After several hours ffmpeg used all ram memory. I don't know where the problem is.
Command:
ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i &...
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FFmpeg - How to restream without delay and with metadata?
I am using FFmpeg 5.0 (from command). How to restream: from sources of type (inputs): UDP/ RTSP/ HLS/ RTMP to RTMP output (on Nginx Server) (without delay, but contain metadata and service_name, as ...
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Will Dual WAN improve video conferencing?
When from my relatives house in South America I have problems with video conferencing. Video will freeze, words will be lost, etc. The connection is intermittent. Often times I can switch from one ISP ...
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How to stream via VLC with RTSP
I have a problem streaming video using VLC. I want to use RTSP protocol. I have set the streaming as follows:
Open VLC;
Press CTRL+S in order to open streaming options;
Add the video file;
Add ...
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Automatic photo to OCR to Sheets - dumb meter to smart meter for £/$20 :)
I am working out how to get a Tapo TC60 camera to upload a still of the feed on a timer to an FTP server.
Once I work that out, I will use a free OCR to read the image ( a gas meter ) into a ...
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Ffmpeg multitrack live streaming is breaking when source becomes a bit unstable
I am struggling with Ffmpeg live streaming where my input is from many live RTMP streams and my output is multitrack live mpegts stream, the idea is that I am getting input from multiple live RTMP ...
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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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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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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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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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1
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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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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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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 ...
