On Saturday 28 Aug 2004 18:36, Alfred Zastrow wrote: > Andrew de Quincey schrieb: > > On Saturday 28 Aug 2004 03:35, Andrew de Quincey wrote: > >>Please try this new patch - I get audio again here! I've also added in > >> code to output the status of the encoder if something goes wrong in > >> future. > > Great work. I have sound too. > Thank you very much.
Good to hear that its working for others. I'll see if I can sort out the reload twice thing I was seeing. > > Hi, this later patch now corrects problems when un/replugging the > > A/V feeds. I > > > found that it would frequently lose audio sync, or acquire strange > > buzzing noises. Oh, and my test decoder program (kaffeine, based on xine) > > tended to lock up when the video went missing as well - so the encoder > > must have been outputting rubbish. > > > > It's really annoying: the SAA6752hs encoder chip has all these funky > > commands like "START", "STOP", "PAUSE" etc - problem is they don't work > > properly! > > > > To fix that, if you unplug the video it will now hard reset the encoder. > > When you plug it back, it will reconfigure and restart it with the last > > settings used. It means you won't get any data at all if the video signal > > is missing, but theres no other way to be 100% reliable with this chip. > > Do you have some documentation from the saa6752hs-encoder? > I'm looking for information about usefull parameters (picture format, > bitrates, etc) Weirdly enough, its about the only chip that Philips release documentation publicly on! http://www.semiconductors.philips.com/pip/SAA6752HS_V103.html
