On 1/12/08, Lennart Poettering <lennart at poettering.net> wrote: > On Sat, 05.01.08 15:56, Jon Smirl (jonsmirl at gmail.com) wrote: > > > I was just talking to someone who wants to watch live Internet > > concerts on their PC being broadcast in H.264. They also want to > > listen to the audio from other networked devices around the house. If > > you try doing this with multiple streams back to the main server it > > all gets out of sync. > > > > Can Pulse provide a solution? The idea would be to bring in the H.264 > > stream, break off the audio and multicast it on the LAN. But the > > multicast receivers need some time to process the data. Can I set a > > configurable delay in the local stream before passing it to the > > decoder in order to give the remote streams time to do their > > processing? > > PA only deals with uncompressed audio for now. > > I think you can do what you want by combining PA with the VideoLAN > client + server. Stream the H264 via VLC/VLS, and the remaining stuff > via PA's mcast support. Routing compressed audio should be planned for in the future. Blueray/Intel HD audio looks like this: 192,000 samples/sec * 24b * 6 channels = 27.648Mb/sec Is is hard to send 27Mb audio on a 100Mb LAN and not lose some of it. A little bit of compression gets this down under 10Mb. With AAC compression it is under 5Mb. -- Jon Smirl jonsmirl at gmail.com
