@ Daniel >I don't think you need to transcode or recode. Shows can be assembled on the fly from individual media files and preset remote streams (or live input streams)...
In audio, you don't need to because the server can handle it in real time. In video though, it seems crucial - my brief tests with CPU loads of it running though Liquid Soap and Plain streaming through Icecast were frightening - huge differences - so I figured just do it once to a 'complete-program.ogg' (possibly cpu throttled) and re-stream the compressed finished result. IE use LS as a pre-prod/assembly tool. >With Airtime, the fade effects are done at playout time, not encoded in advance. Sure but if it could be done ahead of time (for video at least) you save a huge burden on the sever. No? I am quite interested in working with you guys, if the video task can realistically be done. I am john_chewter on skype ---------------------------------------------------------------------------- -------- -----Original Message----- From: Daniel James [mailto:[email protected]] Sent: 19 July 2013 14:26 To: [email protected] Cc: John Chewter Subject: Re: [Savonet-users] Some n00b questions Re LS Hi John, > 1/ Upload source files to a 'user folder' > > 2/ Pick & add files & jingles to playlist > > 3/ Transcode the whole playlist into a single 'program' ogg with > cross-fade effects etc. > > 4/ Stream out these 'pre-digested' files on a timed schedule - > without further recode - which would also include news at the top of > the hour from an external station feed. > > It this all feasible in LS? I would say so, but you may find Airtime + Liquidsoap an easier way to achieve what you want, particularly if you have end users that need a web interface. > It seems so except it seems have no 'pass through without recoding' > for final streaming and show repeats I don't think you need to transcode or recode. Shows can be assembled on the fly from individual media files and preset remote streams (or live input streams). If you are concerned about transcoding from lossy formats affecting quality, you can use a lossless format in your library (e.g. FLAC). With Airtime, the fade effects are done at playout time, not encoded in advance. For repeats of shows made from files, you can use Airtime's linked show feature. I'm guessing you don't want to repeat the old news, you want to fetch fresh news each time you repeat the other content. > It seems Airtime does a lot of this - but would seem a nightmare to > change it to video mode later, as it doesn't seem very modular at all. Actually, Sourcefabric is actively interested in adding video support to Airtime. Your coding assistance would be very welcome there. It is a very modular design, but we hide that complexity by distributing a single package. You can see an explanation and diagram here: http://sourcefabric.booktype.pro/airtime-24-for-broadcasters/what-is-airtime / under 'Airtime workflow'. The only part users see as 'Airtime' is the web interface, written in PHP. The playout engine which feeds Liquidsoap (pypo) and the file change tracker (media-monitor) are written in Python. Cheers! Daniel ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ Savonet-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/savonet-users
