Questions tagged [streaming]

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

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7
votes
2answers
3k views

Can continuous video capture damage my DSLR?

I am thinking about doing some streaming on Twitch, and I thought I would use some equipment I already have instead of buying new. I have a Sony alpha 5000 DSLR camera. Would continuous video capture (...
7
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2answers
4k views

Is there an existing video format that records per-frame metadata?

I wish to stream a video with dynamic metadata. I know I could just steam the video and metadata separately, but ideally I'd like them to be bound permanently. Is there an existing protocol / ...
7
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1answer
5k views

How to display static image if the input stream ends using ffmpeg?

I am receiving a stream over the network with the following ffmpeg command: ffmpeg -i rtmp://server:port/input.stream -f flv rtmp://server2:port/output.stream When the input stream stalls, I want to ...
7
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2answers
16k views

Combine video and audio TS segments coming from HLS stream

Apple HLS streams MPEG-2 TS files containing video and audio data in packetized elementary stream format. These segments (.ts files) can be joined in order to build final video. Recent version of HLS ...
7
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3answers
5k views

Best H.264 settings for low bit-rate streaming video

I'm looking to stream some video from Flash Media Live Encoder with a video bitrate of around 150 Kbit/sec and audio of 50 Kbit/sec. The video will contain quite a lot of movement which I want to try ...
6
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2answers
3k views

Automatic conversion/encode video for Video On Demand streaming

I need an automatic solution to convert video clips for html5 (mp4/x264, webm/vp8) and flash (mp4/x264) video-on-demand streaming. For a site like Youtube, just much smaller. The input files are ...
6
votes
2answers
126 views

One long continuous shot, sped-up until it becomes “live”

I have an idea for a video project (that I will need to commission a studio to produce for me), but at this early stage I don't even know whether my idea is feasible. The idea involves turning (hours ...
5
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1answer
7k views

It is better to have more B-frames or more P-frame for video streaming?

I'm trying to re-encode (H.264) some videos from my movie library in order to put them on a NAS and stream them to a smartTV through WiFi. In order to do so, I'm using HandBrake on MacOS and – among ...
5
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3answers
246 views

What's the best way to record a skype conversation?

I need to record a skype conversation and upload it to youtube (it's a live conference and the other party asked for it). Can I record a skype conversation? What would be the best way in terms of ...
5
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1answer
2k views

How to get closed captions to appear on a live stream

I want to be able to stream live TV but also include the closed captions. My workflow is to use a Blackmagic Designs Decklink card (video source is SDI) and use VLC to capture and transcode the video,...
5
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2answers
5k views

How can I stream to a single channel, from multiple geographical locations?

We are looking at broadcasting a live 'roundtable discussion' between 4 or 5 people. We are after either a service which would allow us to stream from all of these 4 people into a single channel. Note ...
4
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2answers
9k views

How to do a video live stream through a VPS?

I've been looking at a million resources and I can't find a definitive answer to this. I'm looking to do a small scale (max 50 viewers possibly), low quality live video stream, with nothing but my ...
4
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1answer
4k views

RTSP to RTMP converting fails after specific time only when IP camera enters night mode

I have bought a cheap IP camera Escam QF002 producing output in RTSP. I'd like to secure it with RTMP or HLS stream served by nginx with nginx-rtmp-module. For this I'd copy the video stream (h264) ...
4
votes
4answers
3k views

Multi-source, picture-in-picture live stream

So I have some experience with live production, but I want to do something a bit more complex and need some things cleared. This project would use multiple cameras (lets say 5), some non-camera ...
4
votes
1answer
4k views

How to automatically enrich a video stream with dynamic overlay (text, images, …)

In my company, we are currently looking for a solution to enrich a given video stream (which is being broadcasted via RTMP) from a remote webcam with some dynamic information, such as current date/...
4
votes
1answer
8k views

Dash live streaming

after a lot of googling and after I've read tons of forums, I'm still not able to do a live stream using my cam to another device. My system is made up by a server ( a windows laptop ), that capture ...
4
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2answers
8k views

How to do video streaming with a canon EOS M?

What software is needed to do video capture from a Canon EOS M? How can I use the Canon EOS M as a Webcam? Thank you,
4
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2answers
572 views

Live Streaming and Recording Simultaneously

I will explain my situation first. I am getting married in two months and have many family members that are in bad health. They want to make the wedding, but just cant. We had the idea of streaming ...
4
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0answers
2k views

Getting FFMPEG to stream video+audio through RTMP

Can someone help me with this: The video streams fine but I can't hear any audio. I just hear random click sounds. Please help: ffmpeg -f video4linux2 -channel 1 -i /dev/video0 -f alsa -i plughw:2,0 ...
3
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2answers
4k views

FFMpeg and HLS, videos need to load in their entirety before they start playing

I am using ffmpeg to generate a segmented list of files in order to stream them to an iOS app. The list of files is generated fine but when it comes time to play them, the video needs to be downloaded ...
3
votes
2answers
374 views

Does youtube store different video files for different bit rate?

First of all, is the technique called "resampling" ? Does youtube make live resampling for every user ? Isn't it too cpu costly ? So far what i know about codecs is that it has to go through many ...
3
votes
1answer
614 views

Creating text graphics from a data feed

Does anyone know how to create text/graphics from a data feed? I'm streaming live events and need to take a text data, (mainly CSV files) containing names, clubs, points and position data and ...
3
votes
1answer
1k views

Record on laptop from streaming camera via RCA cable

I have a video camera that only 'streams' the images and has no way of recording them. Currently I'm plugging the RCA into a TV and then recording from that, but I need to be mobile and so need to ...
3
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2answers
40 views

If the environment being captured on a video stream becomes less complicated, does the bit rate and latency decrease?

For example, a live GoPro video is being streamed to a HDMI capture software on Windows. The live stream of an office with the lights on has a bitrate of X and a latency of Y ms. If the lights in the ...
3
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1answer
80 views

Getting Started with Webcasting and Video conferencing

Our church is trying to move into the 21st century. We have the opportunity to apply for a grant of up to $20,000 ($10,000 would be more likely to succeed) for equipment purchases. We need to be ...
3
votes
1answer
3k views

How to stream video with delay

I need some kind of rtsp buffer to delay video. I have a live cam and i need to start recording video on some event. But I need 10-15 seconds before that event too. Idea is to read from camera, use ...
3
votes
5answers
251 views

Live streaming to a disk

Not sure if this is the right place to ask this question (pretty technical), but I thought I'd start here. I'm interested in building a website that will have a streaming-video feature. It's not ...
3
votes
1answer
597 views

How can I determine the publishing point for streaming an HTTP stream to Adobe Media Server 5?

I would like to stream a HTTP stream from VLC direct to Adobe Media Server 5, however I am unsure of the URL I should stream to. How can I determine the URL of the publishing point?
3
votes
2answers
1k views

What can I use to build a live video recording, streaming, marking application / platform?

I'd like to set up a platform such that I can record 2-4 video inputs into storage while also uploading it into a streaming cloud so that it can be viewed in near-live / real-time. Further, I'd like ...
3
votes
2answers
345 views

What solution do you use to bring a udp, rtmp, … stream back into the hd-sdi format

As a small independent TV Station we cooperate with festivals and congresses which want to broadcast their content live. Most of the times these partners send me a webstream. Currently we have a ...
3
votes
0answers
421 views

What is the difference between SRT and RTP?

I am trying to understand the benefits of SRT over other protocols like RTP. Haivision has a decent introductory explanation for SRT as well as a white paper, but I am unclear how it compares to RTP. ...
3
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2answers
3k views

How do I set up an RTMP stream server and URL endpoint?

I've got a Haivision Barracuda, which can stream RTMP to a URL (secured by username/password) set in its interface, but have very little experience of streaming video. What software do I need (Windows ...
2
votes
5answers
23k views

How to configure crtmpserver for live streaming?

This is what I would like to do. A Linux laptop has a webcam connected to it and captures video and audio in real time The laptop sends the live video and audio stream to another Linux server which ...
2
votes
1answer
23k views

Encoding videos for MPEG-DASH

I read this article on encoding for MPEG-DASH, which has helped me a little and then follow up article. My end goal is to create a batch file that can read in a directory of MP4 files, and then ...
2
votes
3answers
617 views

Ad Free Video Streaming to Web

I'm currently working with a charity that broadcasts our event to the web. The event is about a week long (24 hrs per day), and gets in excess of 2000 viewers at times during the stream. I am ...
2
votes
1answer
17k views

How to set up a Livestream from SJ4000 Wifi?

I own a SJ4000 action cam with WIFI function. The latter allows it to connect the camera to my phone. I would like to livestream a sports event. Is it somehow possible to stream the video from my ...
2
votes
2answers
9k views

RG6 vs RG59 HD-SDI cables for live stream

It seems there are lots of discussions on the web, none recently though, on RG6 vs RG59 and the distances that they can carry signal. For situations when quality matters, such as live streaming (as ...
2
votes
1answer
4k views

WMV vs MP4 Streaming & Download

I work for a company that outputs videos in many formats. We currently stream movies in FLV format, offer downloads in a WMV and MP4 format. However in the interest of saving server space and ...
2
votes
1answer
231 views

How can I avoid Quicktime Vulnerability with h.264 encoded MP4 files?

I posted this earlier on SuperUser, but realized that this is likely the more appropriate forum for my question. We have several thousand very large MP4 files that have been encoded over the past ...
2
votes
1answer
108 views

Endless video chat?

Looking to create a video conferencing experience between 2 offices. Want to make it like a window where people can just walk up to the camera/screen/mic and see who is there. Is there a cheap way to ...
2
votes
1answer
163 views

What are the essentials for a livestream training room?

I work for a nonprofit (which rules out consultants or big packages) and I’ve been tasked with setting up the a/v for one of our large training rooms. I’ve got about a dozen events over the next year ...
2
votes
2answers
2k views

How to demux MPTS to SPS

I have a live multi-program MPEG-TS stream [MPTS] over IP, I'd like to select just one program from the stream, and output a single-program MPEG-TS stream containing just that program. is there any ...
2
votes
2answers
215 views

Livestreaming Youtube

I have a Vlog on Youtube that I would like to stream live via LiveStream, but the quality looks like complete garbage. It's blocks and just all around not what it looks like in the browser. Does ...
2
votes
2answers
1k views

Resize a live stream and overlay over another live stream for broadcasting

I'm working with ATEM Production Studio 4K from Blackmagic to switch between several video feeds that are broadcast using Wirecast onto Youtube from a Mac. Our ATEM product is not one of the switchers ...
2
votes
2answers
8k views

Using ffmpeg to stream to or from Blackmagic Decklink Card

I want to use blackmagic cards with ffmpeg to stream their input but there is a problem. When I use "H264 Pro" Encoder as a "decklink" or "dshow" input, I see this error in command line output of ...
2
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1answer
1k views

Video Analysis Tool - Open Source Software Recommendation

This is blurring the lines between programming and vid production (question not allowed on Stack Overflow or Programmers) I am throwing this out there as I know there may not be a suitable solution, ...
2
votes
1answer
774 views

Is there a buffer caching application that preloads streaming video?

I'm trying to find out if there's already a application in existence or a way to preload (cache/ buffer) couple minutes ahead of live streaming media e.g. live stream onine TV, rtmp protocol etc.. in ...
2
votes
1answer
150 views

Put branding over tv signal

Im trying to figure out the most clean way to put custom content (being text or picture for branding) over standard tv signal for a business that want to show their logos and such in the tv´s they ...
2
votes
2answers
168 views

Live streaming with Twitter and RSS information

In two weeks we have a live event for 7 days. Last year we bought wirecast but it looks like it has just a few features. They now integrated Twitter, but it's just weird how it's all made. We have a ...
2
votes
1answer
439 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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