Questions tagged [video-streaming]
Continuously sending video data to devices such as other computers, mobile phones or TV sets.
584
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Using FFmpeg to receive H.264 video stream by SRTP in Windows
I am using LGPL version of FFmpeg on Windows. I've downloaded it from https://github.com/BtbN/FFmpeg-Builds.
I have been trying to receive Secure RTP video stream using FFmpeg.
I want to receive the ...
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1
answer
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FFMPEG only streaming one frame when capturing an application
I am streaming video captured from Device A to Device B. When I stream the entire captured desktop using ffmpeg -f gdigrab -framerate 25 -i desktop -vcodec mpeg4 -q 12 -f mpegts "udp://[...
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Video stutters on Linux and Android when watching movies from a Windows share
I have a powerful PC running Windows 10.
The PC is connected to a very powerful router (Ubiquiti Dream Machine PRO) via a gigabit wire.
I also have a computer running Manjaro Linux. It is connected to ...
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1
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Using ffmpeg, how can I split an incoming stream, one live web streaming, the other mp4 but in timed chunks?
I have a single mpeg-ts input stream, http://192.168.1.100/stream0, and I wish to do two things with this stream. One output is to be a hls multipart stream with m3u8 so apache can serve to local ...
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FFmpeg fps detection bug?
I have ffmpeg setup which produces rtmp stream from remote rtsp stream. The rtsp stream comes from ip camera which support multiple profiles. Each profile has 1080p 30 fps, 1080p 15 fps.
The weird ...
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Out-of-order frames when using FFmpeg to download DASH stream
I'm trying to use ffmpeg to download a DASH stream. It works OK but it seems like in the output file there are some frames that are out-of-order (e.g. for some frames the pts value is lower than the ...
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How to create a video encoding ladder for any aspect ratio?
For a given video uploaded by a user, I need to create three versions of it to cover standard definition (SD), high definition (HD), full high definition (FHD), and ultra high definition (UHD e.g. 4K)....
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How to Limit the Playback bar to 10 minutes in vlc player
I've been streaming an IP camera using VLC player, and after a few days, the streaming stops. It seems like the playback bar, which stores data for rewind purposes, gets too long and consumes too much ...
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1
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780
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How to intentionally add a delay to an input stream with ffmpeg
I have a framegrabber that I connect to a Windows PC. The capture input device is 1080p, 60fps, 4:4:4 raw video.
I want to use this in a test setup where I let a user work on an existing windows ...
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The new Logitech StreamCam has stopped working on a specific computer after few month
There is a new Logitech StreamCam web camera purchased few month ago. It was working perfect without any issues for couple of month, but since the last week it started glitching and finally stopped ...
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I am unable to play the RTSP stream using ffmpeg
I have two computers with Ubuntu 20.04.5 LTS installed, and one virtual machine with Ubuntu 22.04.3 LTS. I have a docker container with mediamtx installed on one of the computers, let's call it server....
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Why do Matroska files (.mkv) with '.der.' in the file name not play in Google Chrome but instead bring up a download dialog?
Usually, Matroska files (.mkv) that I open in Google Chrome (e.g. https://www.example.com/example.mkv) are played directly in the browser.
However, I noticed that files with .der. in the file name (e....
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How do create a dynamic delay fix with MPEG-TS?
My media player can display a couple of videos (origin video - Multicast address, video stream is in MPEG-TS)
Whenever I play both video streams I see a delay in one of the streams.
I would like to ...
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502
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When I attempt to live a video in an infinite loop using the ffmpeg command, it automatically terminates after a few hours
When attempting to continuously loop a video using the ffmpeg command with the following syntax:
ffmpeg -re -stream_loop -1 -i abc.mp4 -c copy -f flv rtmps://abc.xyz/.....
I encounter an issue where ...
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Sending and receiving ffmpeg video stream through USB to TTL converter
I need to transfer video signal through USB to TTL converter from one VM and receive it on other USB to TTL converter then display the received stream on second VM (the bitrate on converters are ...
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Unable to display RTSP stream using gst-play-1.0, gst-launch-1.0
I have to display an RTSP stream using the gst-play-1.0 / gst-launch-1.0 commands on an NVIDIA Jetson-AGX device.
These are the commands I have tried:
1. gst-play-1.0
$ gst-play-1.0 rtsp://192.168.1....
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2
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460
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FFmpeg watermark and HLS stream
I want to convert and 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 ...
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1
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521
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Streaming to Facebook Live with ffmpeg
I've set up an RTMP/RTSP streaming-service with MediaMTX on my desktop.
From OBS Studio, I'm then streaming to:
Server: rtmp://localhost/
Stream Key: stream
This leaves me with 2 streams:
RTMP: rtmp:/...
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What can I do to debug and avoid decoding artifacts with RTP in ffmpeg?
I do encoding and decoding of a VP9 RTP stream programmatically, and I am experiencing occasional colorful artifacts like these:
In the ffmpeg log (both when using ffplay and my own code), this ...
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670
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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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599
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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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330
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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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1
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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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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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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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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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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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2k
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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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1
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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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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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469
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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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714
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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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652
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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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469
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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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2k
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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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3k
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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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