[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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