Questions tagged [streaming]

The act of transmitting media over a network for consumption in real time.

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1answer
474 views

Wavy screen and lines showing now and again in live streaming cam

I have setup a trial live streaming cam in my chicken coop to test this little camera. I am seeing some waves and lines in the feed now and again. Does anyone know why this happens and what the fix ...
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1answer
151 views

Record and stream what's on my screen

I'm trying to make a videogame review video, with the help of a friend. I'd rather have each of us in different places, so that I can record our audio independently. But then I have a bigger problem : ...
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1answer
84 views

Practical algorithms for rate adaptation

I am interested about reading material on rate adaptation, by which I mean the process of adapting the bandwidth/rate allocated for a streaming application, ranging from services such as YouTube, to ...
2
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1answer
905 views

Streaming with a Sony NX5

I recently obtained a Sony NX5, now aside from the fact that its pretty much a great camera in every way (afaik); it doesn't have a IEEE 1394 port. I assume this is probably related to the AVCHD ...
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0answers
2k views

How to convert encrypted mpeg dash created with Bento4 mp4-dash.py to MP4

I have MPEG dash video files created with Bento4 mp4-dash.py. The files have encription, but I have the MPD and the audio and video segments. I am trying to get my original MP4 file back from those ...
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0answers
240 views

Best way to handle stream with ffmpeg and GPU

So in my project, I need to capture a video stream, decode the video, run the individual frames through an object detection algorithm and then play the output as a video. This whole operation is ...
2
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1answer
903 views

High cpu usage with FFMPEG copying video codec from HLS

Reposted from superuser: https://superuser.com/questions/1340574/ffmpeg-copy-hls-high-cpu-usage I have a set of batch scripts (Windows 10) to create an "instant replay" for some (11) HLS streams ...
2
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1answer
387 views

how to simultaneously create rtsp and livehttp video streams in vlc from the same live source?

I want to simultaneously create rtsp and livehttp video streams from the same live H.264 source in cvlc. I can individually create either kind of stream just fine, and I can also create two rtsp ...
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0answers
598 views

Switching between multiple m3u8 playlist

In a live stream setup, I have 2 cameras and each one sends RTMP stream to one different application which is on my Nginx-RTMP server. On the browser I am using Videojs Hls plugin. Now my question ...
2
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1answer
167 views

I want to run two 24/7 livestreams at once, both these streams will be on Youtube, is it possible?

I want to run two 24/7 livestreams at once (both on Youtube), using an intel nuc device with the assistance of obs studio software, is this possible? If not, how can I run 2 24/7 streams at once ...
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0answers
56 views

Realtime fulldome video splitting

I need to split fulldome video stream to several projectors for planetarium. I wrote hlsl (and glsl) shader which does exactly what I need and has some configurable parameters. It works in MPC:HC that ...
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0answers
349 views

Real time document straighener similar to Microsoft Office Lens or CamScanner but for video?

Office lens straightens pictures of flat, boards very, very nicely. Here's an example. Let's say I am teaching a class and I want to record what I write on the whiteboard as I explain it. Is there ...
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2answers
2k views

Is firewire better than USB for live webcasting - Video

I am building a 2 camera, 4 mic webcasting setup. Using firewire to connect the 2 cameras to a laptop is more involved as it requires 2 analog to digital converts and 2 firewire ports, whereas most ...
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1answer
15k views

RTMP server using ffmpeg

I'd like to use a Teradek Cube connected to a broadcast camera to push to a server running ffmpeg with an open RTMP port, and have ffmpeg re-stream that feed to a decoder using RTMP or RTSP. ...
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3answers
13k views

How to prevent users from downloading videos?

We want to provide VOD service via http/https, but we dont want users download a video by finding out the url directly from the web player or using a developer plugin like firebug. We are told that ...
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3answers
276 views

What's the minimum software for reliably live-streaming a conference?

With a DSLR's HDMI-out feeding into a Mac, what's the minimum necessary software to do a live web broadcast from a conference? UStream is $99/month and up. YouTube has a live streaming service, but ...
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1answer
369 views

Questions on workflow: 12G-SDI to 500Mbps to RTSP stream

(Background: I'm relatively familiar with using ffmpeg and libx264 to produce videos on demand, but I'm quite new to live streaming) I'm currently tasked with a project to compress a 4K camera's raw ...
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1answer
786 views

Use Streaming Online Video/Live As Source In OBS Studio

Is this possible? Use others or your own Facebook or YouTube live stream as source in obs or any broadcast software and then broadcast it on another page or channel.
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1answer
1k views

stream with ffserver without encode-decode

I have static file on my disk I want to stream it with ffserver . The problem is that ffserver is decode and encode my file. I know how to pass decode and encode when I save stream to file ffmpeg-i ...
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1answer
345 views

Resize video while live streaming with ffmpeg

My server uses this command to stream a video (1280x544): ffmpeg -re -i c:\ffmpeg\This.mp4 -vcodec copy -acodec copy -movflags faststart -f mpegts tcp://192.168.1.82:1234?listen Now, I would like to ...
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1answer
41 views

Identify H.265 from the OSX Command Line?

Can anyone suggest a way to tell the difference, from the OSX command line, between .mkv files encoded with H.265 from those encoded with H.264? Plex H.265 streams viewed from some devices (e.g. LG ...
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2answers
7k views

OBS Studio: desktop audio falls out of sync

I have an interesting problem: When I stream to Twitch (or record), my desktop audio goes out of sync with the video over time. The microphone is perfectly synced the whole time. Both OBS Studio and "...
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1answer
4k views

Proper command to remux mpeg-ts to mp4 with FFmpeg?

Should I just use plain command like this: ffmpeg -i C:\video_input.ts -c:v copy -c:a copy -bsf:a aac_adtstoasc C:\video_output.mp4 but I have seen many using -copyts to it, why is this needed I do ...
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2answers
4k views

h264_omx and non-existing PPS 0 referenced

Trying to stream a webcam through rtp with a raspberry pi. Cating the SDP file on my desktop, and launching ffplay: ffplay sdp.out then streaming out this way: ffmpeg -i /dev/video0 -c:v h264_omx -...
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1answer
61 views

Best Streaming Encoding Software to incorporate a message feed

I am trying to stream a weekly boardgaming video podcast. I was hoping to incorporate a message feed to video. I want the people playing the game to be able to show watchers their strategies without ...
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1answer
730 views

RED streaming interface

I need to get a live video stream from a RED camera into a proprietary app running under OSX (though I can switch to Windows if necessary). I'm unable to find any information about getting a live ...
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1answer
95 views

Is there a buffering difference between increasing and decreasing stream quality?

When you change from low quality to high quality on a stream, is buffering time (or anything else) slower than changing from high to low? If so, is there a difference in doing this on a live stream as ...
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2answers
2k views

what is preventing me from streaming video correctly with nginx?

i am running nginx v.1.9.3 here to serve my website and also video files for streaming. i am seeing that the mp4 files are always served with a code of 200 and that partial content requests are ...
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1answer
196 views

How get a better quality of streaming?

i want to know how to improvee the performance of video streaming (in the client side), like raise the cache of the browser or use a vpn (to hide the video traffic so the isp don't do traffic shapping)...
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1answer
3k views

AVCONV to transcode MJPEG to RTSP

I have an MJPEG test source (local business has publicly available source) that I’m trying to transcode to an RTSP stream for consumption by Evostream. I have tried with and without the -vcodec copy ...
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1answer
301 views

How to link an audio mp3 file created on soundcloud to your Youtube account

i want create a sound file on soundcloud and bring it to my youtube account. How do i achieve this?
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1answer
2k views

How to *stream* audio over multiple scenes in Flash?

I must use "stream" because the video must sync with audio. Suggestions I found on Google: 1) Use Event mode. I am aware the "Event" mode will play over multiple scenes, but it does not force audio ...
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1answer
56 views

Recommend a good online video host?

I have been using Vimeo for a good long while to host our corporate videos. I like the service, and it is certainly affordable, but I am quickly outgrowing it. I now have almost 200 videos warehoused ...
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1answer
745 views

Hardware solution for live video conversion

To briefly summarize: I am looking for a video conversion box that will accept any resolution/refresh rate/color space and split out a properly converted feed. I utilize a hardware H.264 encoder/...
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1answer
1k views

Native SDI-output vs HDMI-SDI adapter for live stream

I currently run live streams of amateur sporting events, mainly inside. Currently I am using several Panasonic HS-900ks connected to a PC desktop via RCA cables and several Easycap DC60+s (USB 2.0). ...
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2answers
32 views

A/V Crash Course for Church

With COVID-19 shutting down the whole world, our church is now broadcasting our services on YouTube. Last Sunday we used a WebCam because we only had 48 hours notice, and it just worked. Given that ...
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1answer
299 views

How to convert .scc closed caption subtitles into human readable text

I'm trying to find a tool or library (possibly an open-source tool) to parse or convert .scc closed caption subtitle files to a human readable text, say .srt or xml or any text formats. Is there a ...
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1answer
13 views

Stream from several android phones to pc

I'd like to know if there is a way to record from several android phones at the same time (at least 2) and send the data in real-time to a computer. I don't need to watch the recording in real-time, ...
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1answer
342 views

How can I extract clips from a streaming video feed in near real-time?

A client wants me to write some software, perhaps ffmpeg wrapped in scripting, which will monitor a streaming video feed, and copy clips from it in near real-time, delivering them as self-contained ...
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1answer
36 views

Compact Camera for nighttime live streaming?

We recently adopted a pet hamster for our office, and are interested in setting up a live feed for evenings and weekends so that employees and customers can tune in to the lil guy during his most ...
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1answer
4k views

FFmpeg text overlay add sensor values into video stream

I'am using external camera with ffmpeg to acquire underwater live stream. Now I want to add some dynamic values (text overlay) over video stream and restream that to some external provider like ...
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2answers
1k views

Does having hardware encoding chip help?

I've been googling for a while now so I finally decided to ask others as well as I'm pretty darn confused. I'm looking to be able to stream at 1080p at 60fps ( from a gaming laptop, it's more than ...
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1answer
91 views

Stream tablet to computer with switcher to stream to internet

I was unsure where to post this, so please move if there is a better site for it I am trying to design a cheap system that allows me to have 3 video inputs, allows me to mix them and stream it live ...
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1answer
105 views

Looking for real time video streaming/editing software for commercial snips

As the title says i am looking for a video editing/playing software for commercial snips, etc. I should be able to: Add video files to a "queue" Play this "queue" in a loop Reorder video files while ...
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1answer
112 views

Advantage of HLS/HDS over direct bytestream

I've been becoming familiar with a lot of streaming protocols in the past few years, but now that I ask myself, I don't know what are the advantages of protocols such as HLS or HDS which chunk the ...
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1answer
7k views

convert live hls stream into rtmp stream

one of our partner is exposing a live HLS stream. I want to know if there is any tool that can take hls live stream as input and convert it to rtmp live stream and ideally push that output to some ...
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1answer
143 views

Live streaming an event

I want to live stream an event on YouTube with my DSLR. Will I need a HDMI capture card? If yes can you please list a few inexpensive ones. Also, please mention if there are any other ways for me to ...
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2answers
88 views

Is there a product(s) to stream recorded videos, all at same given point in time

I've been searching for a hardware or software product that can stream up at least 17 time stamped video recordings, all at the same point in time. If I had 17 separate recordings of 17 different ...
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1answer
1k views

How to live stream 4 cameras to a flat screen TV

I wanted to live stream different views from 4 cameras at the same time on a flat screen TV or monitor. What materials would I need for such a project. I have seen home security surveillance setups in ...
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1answer
493 views

Record a live lecture from one room and stream it live to two other televisions

I'm working on a church project and I'm not too familiar with video equipment all too much. We need to stream a lecture to other sides of a building (at least two tv's). I was playing around with ...