Hello , We are using Icecast for few years in a small french radio station with great success ! ( hitting 60 simultaneous listeners sometimes :-) ) http://www.radiogalere.org:8080/ Now we plan to stream the webcam capture of the studio, we 've done a test with Ogv/theora @128kb video with great sucess although none of the HTML5 browser wher able to keep on playing the stream after few hours, only standalone players could ( like VLC) So before launching this new stream, we are wondering if Webm could be a better option ( at least when FF4 will be spread) but we don't want to use another stream server such as flumotion just for this stream and would like to carry on using icecast. Is there some evolution on Webm support, does it need a lot of changes in Libshout for example ? or does the code structure of icecast makes it easy to add new containers/codecs ? thx for this great piece of Libre software ! -- <-------------------------------------------------------> web perso : http://memeteau.com Boutique Ordinateurs GNU/Linux : http://shop.ekimia.fr Fixe :? 0974763294 Mobile : 0624808051 Visio/jabber/GTalk : xmpp:freechelmi at jabber.fr
Le dimanche 30 janvier 2011 03:54:10, michel memeteau a ?crit :> Is there some evolution on Webm support, does it need a lot of changes > in Libshout for example ? or does the code structure of icecast makes > it easy to add new containers/codecs ?Well the interesting question is: "Is webm streamable?". I don't know much about it nut webm is wrapped into a matroska-based container which I am not sure is streamable, maybe someone more knowledgable could comment on that.. Alternatively, there seems to be a ogg mapping for vp8 floating around: http://people.collabora.co.uk/~slomo/webm/ogg-vp8.pdf If WebM turns out to not be streamable, then this mapping could be used and would work in icecast. Howver you would need to implement its parsing in the clients.. Romain
Sorry I replied in private ... 2011/1/31 Quentin Drouet <kent1 at arscenic.info>> > > 2011/1/31 Romain Beauxis <toots at rastageeks.org> > > Le dimanche 30 janvier 2011 03:54:10, michel memeteau a ?crit : >> > Is there some evolution on Webm support, does it need a lot of changes >> > in Libshout for example ? or does the code structure of icecast makes >> > it easy to add new containers/codecs ? >> >> Well the interesting question is: "Is webm streamable?". I don't know much >> about it nut webm is wrapped into a matroska-based container which I am >> not >> sure is streamable, maybe someone more knowledgable could comment on >> that.. >> > > I think flumotion has allready the support for webm streaming ... maybe in > the commercial version ... > > But I've read something about that I think >Here : http://www.flumotion.com/blog/flumotion-provides-first-webm-vp8-live-stream-48-hours-after-google-release> kent1 >Bis -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/icecast/attachments/20110131/f10fcd3d/attachment.htm
Le dimanche 30 janvier 2011 20:13:14, vous avez ?crit :> Here : > http://www.flumotion.com/blog/flumotion-provides-first-webm-vp8-live-stream > -48-hours-after-google-releaseI've been skimming through their source-code, its seems that they are using gstreamer's webm muxer plugin. (Note: there's not much to brag about their "technology" in this case..) I suspect that there is work to do to provide a proper header/container for each client. Thus, I think that they must start a muxing thread for each client. In this case, there would be quite some work to do in icecast to support webm streaming. Romain
Hi ! 2011/1/31 Romain Beauxis <toots at rastageeks.org>:> Well the interesting question is: "Is webm streamable?".Well it seems to ma that Google made Webm especially for streaming and I've even read that it should be easier to stream webm than ogg for various reasons.> Alternatively, there seems to be a ogg mapping for vp8 floating around: > ?http://people.collabora.co.uk/~slomo/webm/ogg-vp8.pdf > If WebM turns out to not be streamable, then this mapping could be used and > would work in icecast. Howver you would need to implement its parsing in the > clients..But OGG/vp8 wouldn't be supported corretly by all clients. the "advantage" of webm is that it's supposed to embed always the same video and audio codec. -- <-------------------------------------------------------> web perso : http://memeteau.com Boutique Ordinateurs GNU/Linux : http://shop.ekimia.fr Fixe :? 0974763294 Mobile : 0624808051 Visio/jabber/GTalk : xmpp:freechelmi at jabber.fr