Questions tagged [streaming]

Streaming is the process of continuously sending data from a server to a client host. Often used in video or audio transmission, live streaming is a time-critical process that makes high demands on the underlying network used to deliver the data.

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Constrained CRF vs ABR with VBV-constrained bitrate for VoD

In this post slhck mentions that for VoD (not to be confused with live streaming) one should use one of the two methods for compression: Capped CRF ABR with VBV-constrained bitrate I feel pretty ...
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Streaming Audio from TV to mobile device [closed]

Right now I have around 12 Tv's that I would like to have their audio streamed through either bluetooth or through a dedicated wifi network. I have done some research into some systems like audio ...
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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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Windows - Stream screen over network to Smart TV (DLNA)

How to live stream Windows screen to DLNA capable Smart TV (Samsung) on the same network? So far I have found 1 Windows application, that should be able to do this - it's TVersity Screen Server - but ...
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How to stream .ts audio and video chunk to a rtmp server?

I am using youtube_stream_capture, to download an ongoing live stream from youtube. youtube_stream_capture downloads chunks something like this IMAGE I was wondering if there is any way to stream ...
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How do I preserve audio stream metadata when cutting videos?

I want to cut videos while preserving all streams. Here is the command I use: ffmpeg -i src.ts -map 0:v -map 0:a -map 0:s? -c copy -ss <start> -t <end> dest.ts Unfortunately, when opening ...
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How to stream audio through pipewire from one Linux system to another?

Recently I have fully switched from pulseaudio to pipewire. Everything is great except that the documentation is not too clear on how to setup network streaming. My goal is: Stream microphone audio ...
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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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The ezstream service quits unexpectedly

I have Icecast started at boot, running in the background, thus: # systemctl status icecast2 ● icecast2.service - LSB: Icecast2 streaming media server Loaded: loaded (/etc/init.d/icecast2; ...
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ffmpeg mpd restream CPU load gets higher over time

I have a problem with mpd while restreaming it, the CPU load becomes higher after each hour. Is there any solution for it? I am using ffmpeg Version 5. Here is the command I've ran : ffmpeg -re -i ...
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Can a browser modified or create extension to give option to save playing videos?

Nowadays, most sites encrypt or use DRM for playing videos. But browser can not play the file directly, it must be decrypted. Whatever the process is, ultimately browser need an actual playable video ...
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Create an image every X seconds from live stream

I want to grab a static image every X seconds (say 2) from a CCTV live-stream. I tried ffmpeg -rtsp_transport udp -i rtsp://user:pass@10.100.20.225:554/front -r 1 -vf scale="-1:720" -vframes ...
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Raspberry Pi to website stream

there are countless howtos describing how to stream from Raspberry Pi to somewhere, I'm somehow lost and tired of trying different configurations. My resources: Raspberry pi camera v2 Raspberry Pi v3 ...
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FFMPEG - mute or unmute audio from incoming stream while ffmpeg is running

I got the following issue: I want to be able to mute and unmute the audio from a ffmpeg stream whilst the ffmpeg is running. I was searching for a while now and wondered how you would do it. I read a ...
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How can I use ffmpeg to stream (sync and async) flac audio?

Ffmpeg seems to be a good tool for streaming video and sound. How can I setup ffmeg to stream flac audio on demand (the time of the track can differ from user to user) and for broadcasting (all users ...
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How can .m3u8 and .ts streams or videos properly be saved, without any pixelated or corrupted frames? VLC or FFMPEG, or anything else

I was wondering how to save contents of .m3u8, generally any that works, using VLC at "Open Network Stream". I saw that these files often contain .ts files, that are named "playlist&...
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How to stream computer audio AND microphone to an Icecast/Shoutcast server?

I need to stream contents of a Microsoft Teams video-call to an Icecast server. For this to work correctly I need to stream both the computer audio AND my own local microphone, so that people ...
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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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ffpmeg stream audio to youtube

I have raspberry pi 3, I want to stream audio with static image from usb sound card to youtube, my parameters: arecord -l **** List of CAPTURE Hardware Devices **** card 5: Device [USB Sound Device], ...
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FFMPEG desktop capture randomly stops streaming to RTMP endpoint. Why?

I am using the following FFMPEG command for desktop streaming to an RTMP endpoint: ffmpeg.exe -report -fflags nobuffer -framerate 30 -use_wallclock_as_timestamps 1 -f gdigrab -thread_queue_size 256 -...
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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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Why ffmpeg stops streaming to RTMP endpoint?

I have the following Nodejs code that uses puppeteer and streams to an RTMP end point using ffmpeg : const {launch, getStream} = require("puppeteer-stream") const {exec} = require("...
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Streaming PC with 2 different ISPs not backing up fast enough

I'm running a 24/7 music stream where I need a very stable internet connection. I have decided to take on 2 different internet providers. However, my main problem is that when one ISP gets flooded or ...
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How can I cast media TO an android device?

My setup consists of a windows PC and a few nearby android tablets. They are all connected to the same LAN via Wi-Fi, and I have full control over these devices. Here's the situation: Sometimes I'll ...
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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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Possible to do Real-Time Closed Captioning using ffmpeg?

GOAL: Real-Time Closed Captioning via ffmpeg 🤞 My setup: Real-Time video from "touchdesigner" shared via "spout" to "ffmpeg" ffmpeg -f dshow -i video="SpoutCam&...
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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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why in linux "ffmpeg" command from nodejs ends after a few seconds

I am using fluent-ffmpeg to push a file to RTMP server, it is ok but when I run program in Linux OS, ffmpeg stops after a few seconds ffmpeg(flv) // .inputOptions(['-readrate', '1']) //is unknown ...
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How do media centers like Emby achieve video streaming to HTML video players with FFMPEG?

I've been messing around with Emby and Plex media managers recently and one cool feature that I found interesting is that both of them are able to stream media to other devices with the help of FFMPEG....
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what's the current way to stream a /dev/video to internet by ffmpeg after the ffserver is deprecated?

I'm studying how to live stream my webcam which would be recognized as /dev/video0 in linux to the internet. I'm trying ffmpeg, now get the following method works: 1.create a ffserver.conf file ...
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Has anybody ever gotten FFMPEG to work with HLS multi-layer live streaming on Akamai?

Has anybody ever gotten FFMPEG to work with HLS multi-layer live streaming on Akamai? Just a general inquiry as we can start a stream and it looks like its happy leaving ffmpeg but as far as we can ...
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Using FFMPEG as a hls server with transcoding, configuring

I am working on a small app that takes an rtmp feed with ffmpeg (not with nginx module)and transcodes it then I distribute it with a cdn. I'm struggling a little bit with the settings I need to make ...
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Extracting elementary stream type using ffprobe

I'm trying to extract the elementary stream type using ffprobe (as in the PES header). ffprobe gives info about the codec in the form of codec_tag, but that isn't necessary the elementary stream type. ...
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FFmpeg transcode piped mp4 with MOOV at end - but I can read it twice

I need to transcoding an MP4 file using that I can only access via a stream. The MOOV atom is at the end of the file. I do not have the ability to seek to a specific part of the file, only read a pipe ...
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Cannot receive multicast RIST stream using RIST protocol, but RTP works

I'm using gstreamer to multicast a RIST stream: gst-launch-1.0 filesrc location=test.mts ! tee name=t ! queue ! typefind ! rtpmp2tpay ! ristsink address=239.255.0.1 port=5004 t. ! queue ! tsdemux ! ...
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Have ffmpeg transmit redundant RTP packets

I'm using ffmpeg to transmit an RTP stream for multicast. I'm encountering issues with significant packet loss as soon as my bitrate exceeds ~4,000kbps. Strangely enough, I can multicast 20 different ...
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Recording intermittent RTSP stream

I have a Eufy Cam 2 Pro and rather than buy cloud storage services, I wanted to record the RTSP that can be enabled on the camera. As the Eufy camera is battery powered, it only outputs the RTSP ...
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Bash terminal command to be repeated after an activity no longer foreground

so the context: I want to make a bash terminal command that will launch VLC to stream a video, and then when VLC is no longer in the foreground (VLC automatically goes to the background when the ...
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Ffmpeg – ‘on the fly’ playback of MPEG Dash audio stream (mpd)

I’m new to compiling ffmpeg et al and would like some help =). I’ve struggled to find a pre-compiled version of ffmpeg that provides on the fly playback of MPEG Dash audio streams, such as: https://a....
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How to stream to Facebook live using FFmpeg?

I have ffmpeg on Windows and I would like to stream an MP4 file to Facebook live. The video has an audio track. I running the following command : ffmpeg -re -i video.mp4 -acodec libmp3lame -b:a ...
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How do I stream games from my PC onto my laptop but without access to the desktop / OS of my pc while I'm on my laptop?

I have a gaming PC and a potato laptop. I want to stream games running on my PC onto my laptop. However, all the streaming software I've so far tried: Parsec, Moonlight gave me (complete) access to my ...
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Error starting Facebook Live with ffmpeg

I need some help trying to stream an IPCAM to Facebook using ffmpeg. I am using this command: ffmpeg -rtsp_transport tcp -thread_queue_size 1024 -i rtsp://admin:inv243019@131.72.4.61:24300/cam/...
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How to proxy a video stream file or URL from windows application?

I'm doing a course that requires the installation of a Windows application. I know their videos are hosted in Vimeo, because I see part of the filename when streaming to a Bluetooth device. My ...
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How to stop FFMpeg slowly dropping Bitrate in RTMP stream (To YouTube)

I'm attempting to stream to YouTube from FFMpeg on a ubuntu server - I'm trialling it on a 2 VCore system with 4GB of RAM - I'm attempting to stream to youtube, with a bitrate of 4Mb/s, at 25Fps, at ...
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Record webcam like a dashcam [duplicate]

I would like to use FFmpeg to record the last 5 hours from the webcam to file like a dashcam. Creating a new file every 5 hour is acceptable, overwriting the current file is too.
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FFMPEG: SDP to HLS cur_dts is invalid

I am trying to convert an RTP stream (opus, vp8) to HLS (aac,libx264) but it fails. I can easily save the stream as WebM but I can not save it as HLS and the only noticeable error is cur_dts is ...
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FFmpeg-Decklink Studio 4k - Input returned - Frames dropped

I stream from the SDI signal using the "DeckLink Mini Recorder 4K" card and ffmpeg-4.4 on Ubuntu Server 20.04. I use the drivers from Blackmagic are version 12.0. ffmpeg settings: #!/bin/sh ...
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Using FFPMEG, create a MJPEG stream from a file to simulate a webcam

I'd like to use ffmpeg to simulate a network webcam. These usually give out an MJPEG feed that plays in a browser. I want to create a stream like this locally as a test case for a software I plan to ...
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Could not find tag for codec none in stream #1, codec not currently supported in container vs Non-monotonous DTS in output stream

I'm trying to record video from my ip camera stream with ffmpeg in command line. fmpeg -rtsp_transport tcp \ > -i rtsp://192.168.0.250/stream1 \ > -c copy \ > -map 0 \ > -f segment \ &...
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