linuxaudio.org

On 03/21/2012 12:16 AM, Reuben Martin wrote:

quoted text
> On Tuesday, March 20, 2012 08:04:30 AM Thomas Vecchione wrote:

>> Out of curiosity, to expand on this slightly, what are people using that is

>> GStreamer compatible?  I have a BlackMagic Studio card that is going to be

>> accepting HD-SDI and I can purchase the driver for it, but the interface is

>> GStreamer compatible only is my understanding (Not a standard V4L or V4L2

>> interface) so I am curious if anyone has done similar.

You can always get out of gstreamer:
gst-launch ... ! fdsink \

 | ffmpeg # or sth.
> Assuming you mean the "Decklink Studio Card", the drivers are free. Anything can

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> interface with it that uses their API.

>

> I use a DeckLink HD Extreme 3D for streaming quite a bit.

>

> decklink-ffmpeg ----(pipe)----> ffmpeg h264/aac+/flv encoder ----(rtmp push)----> CDN  ----(rtmp pull)----> Web Browser w/ flash

interesting. Would you mind sharing the ffmpeg commandline?

What software do you use for transport segmenting?
May I ask what content delivery network you are using? Are you paying

for it or did you roll your own?
I've recently experimented a bit with

https://github.com/carsonmcdonald/HTTP-Live-Video-Stream-Segmenter-and-D...

--

http://blog.kyri0s.org/post/271121944/deploying-apples-http-live-streami...
It worked, but not reliably. At some point I gave up and went back to

dual solution: ffserver (flv, x264, nellymoser - single-server)  and

icecast2 (ogg, vorbis, theora - multiple servers w/relay). Both driven

at the same time by custom c code (basically a fancy 'tee (1)'). It

still leaves default apple handhelds in the dark; but I learned to stop

worrying and love punishing proprietary lock-in :)
Cheers!

robin
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