[chbot] Live video stream

Mark Atherton markaren1 at xtra.co.nz
Sun Jan 17 07:46:49 GMT 2016


Thanks for the update Stephen.


On 17/01/2016 6:14 p.m., Stephen Irons wrote:
> We did not go ahead with the live video stream for the following reasons:
>
>   * no-one local was willing and able to set-up, baby-sit and
>     pack-down the video equipment
>   * no-one local was willing and able to do any editing or other
>     post-production
>   * the few remote viewers would not have watched a live stream, due
>     to time-zone differences
>
> On the day of the event, there was a howling north-easter, with 
> unoccupied garden seats blowing around. Unattended video equipment 
> would have suffered. We did have audio reinforcement which worked 
> well, although there was quite a bit of wind-noise despite wind-shield 
> on the mics. It was not workth recording the audio.
>
> I did play around with YouTube live streaming. There was no obvious 
> minimum viewer requirement. It worked fine with OBS (Open Broadcasting 
> Software) running on an Ubuntu 14.04 box. A mobile phone had adequate 
> bandwidth to stream the video to the server, but not enough for a live 
> monitor at the same time. I thought it strange, because one is mostly 
> uplink, the other downlink. Watching the stream on a different 
> computer with an independent connection to the internet worked fine, 
> as expected.
>
> I would certainly consider YouTube live streaming for a future event. 
> It was easy for a suitably experienced person to set up, but not for 
> Grandma.
>
> Stephen Irons
>
>
>
> On 2 December 2015 at 11:56, Stephen Irons <stephen.irons at clear.net.nz 
> <mailto:stephen.irons at clear.net.nz>> wrote:
>
>     It took 30 minutes to
>
>       * read the youtube help on live streaming
>       * create a stream event on youtube
>       * download and install OBS (Open Broadcaster Software) on my PC
>       * configure OBS to capture video and audio and send it to youtube
>       * watch the event using a different web browser (but on the same PC)
>
>     Have to do some Real Work now, but it looks promising, provided
>     that I can satisfy myself that:
>
>       * the event can be relatively private (invitation only, or at
>         not advertised and unlisted)
>       * the event can be completely free of adverts; I suspect this
>         will be a pay-for privilege
>
>     Other factors
>
>       * 3 hours at 1.5 MBits/sec is 2 Gbytes. Allowing for 25%
>         streaming overhead gives 2.5 GBytes. Have to get a data addon:
>         2 degrees charges 50c per MB for casual data usage (for a
>         total of $1200!), but offer a 3 GB data addon for $50, or
>         about 1.7c / MB
>       * you standard USB data modem advertises 21 Mbits per sec, which
>         should be enough to carry 2--2.5 Mbits per sec for the media
>         stream
>
>     OBS knows how to stream to other broadcasting services, so now I
>     have a few other alternative to investigate:
>
>       * Twitch (apparently popular with gamers: rather than playing,
>         you can watch others play)
>       * hitbox.tv <http://hitbox.tv>
>       * beam.pro <http://beam.pro>
>       * DailyMotion
>       * Livecoding.tv
>
>     Thank you for the pointer to broadcast services: I thought there
>     must be some available, but was obviously searching for the wrong
>     thing.
>
>     Stephen
>
>
>
>     On 1 December 2015 at 23:30, Spencer Travers
>     <spencer.travers at gmail.com <mailto:spencer.travers at gmail.com>> wrote:
>
>         Have you looked at YouTube live streaming? I'm not sure about
>         being able to restrict it to just your family viewing, but it
>         would take care of a lot of the back end for you.
>
>         Spencer
>
>         On Tue, Dec 1, 2015 at 11:25 PM, Stephen Irons
>         <stephen.irons at clear.net.nz
>         <mailto:stephen.irons at clear.net.nz>> wrote:
>
>             We have a family celebration coming up in January, and
>             want to be able to provide a live audio and video stream
>             from the event for people who cannot be there.
>
>             I have the following available:
>
>               * Video camera with microphone input, microphone, and AV
>                 capture device that are compatible with V4L2
>               * Laptop running Ubuntu 14.04 desktop
>               * Mobile data modem
>               * Low-spec VPS (2 core, 4G RAM, 1 Gbps network
>                 connection, 5 TB bandwidth per month) running Ubuntu
>                 10.04 server
>
>             The plan would be for the laptop to capture the audio and
>             video which will send it to the server. Absent family and
>             friends can then connect to the server, preferably using a
>             web browser, to watch the proceedings. There will probably
>             be 4 or 5 families watching from around the world.
>
>             Some rationale:
>
>               * I prefer the video camera, microphone and capture
>                 device to a web cam because it should give more
>                 control over the picture and sound quality.
>               * I prefer the video camera, microphone and capture
>                 device to an IP cam because I don't want to spend the
>                 money.
>               * I don't want all of the guests connecting directly to
>                 the laptop, as all their traffic goes via the mobile
>                 data modem -- I suspect costs will mount up quickly,
>                 though I should estimate what it will cost.
>
>             Now, VLC can capture the video and stream it to another
>             instance of VLC using a few different protocols. I have
>             not had success with the audio yet, but it might just need
>             to swear at it a bit more.
>
>             Motion and ZoneMinder might be appropriate, but ZoneMinder
>             does not support audio.
>
>             Can anyone offer any advice, before I spend days playing
>             with things: what software to use, what to avoid, what
>             have I not thought of, will my low-spec VPS be adequate to
>             server 5 streams, any other thoughts?
>
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>
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>
>
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