Re: [Alsa-user] Is ALSA the right tool for my app?

2008-03-14 Thread [EMAIL PROTECTED]
Hi John Following from Sean, the appropriate system to use would be netjack. http://netjack.sourceforge.net/ I know Geoff Beasley showed me his design for a studio here in Melbourne that utilises it, (however I've been slack and 2 years later still haven't visited) One thing that would be

Re: [Alsa-user] S32_LE format

2008-03-14 Thread Clemens Ladisch
John Sigler wrote: format : S32_LE msbits : 24 ... The first sample is stored as 00 00 a5 f5. Does this represent the value 0xf5a5? Yes. For the majority of samples, the first two bytes are 00 00. Is this because the input stream was, in fact, a 16-bit stream?

Re: [Alsa-user] Is ALSA the right tool for my app?

2008-03-14 Thread Clemens Ladisch
John Sigler wrote: To keep the level constant, it might need to add or remove a few frames once in a while. This won't work with Dolby data (except by dropping or adding a complete Dolby frame). Using a compressed format requires that the decoder is completely synchronized to the source.

Re: [Alsa-user] C-media on board audio

2008-03-14 Thread Clemens Ladisch
Bob van der Poel wrote: But, I can't get a alsamixer to work: bob$ alsamixer No mixer elems found alsamixer works; it just tells you that this device apparently has no mixer controls. Please show the output of lsusb -v for this device. bob$ aplay mix.wav aplay: main:550: audio

Re: [Alsa-user] C-media on board audio

2008-03-14 Thread Sergei Steshenko
On Fri, 14 Mar 2008 09:31:27 +0100 Clemens Ladisch [EMAIL PROTECTED] wrote: Bob van der Poel wrote: But, I can't get a alsamixer to work: bob$ alsamixer No mixer elems found alsamixer works; it just tells you that this device apparently has no mixer controls. Please show

Re: [Alsa-user] C-media on board audio

2008-03-14 Thread Clemens Ladisch
Sergei Steshenko wrote: On the one hand, the original poster mentions onboard audio, on the other it looks like a USB audio device is present. Is this - two different soundcards - onboard + USB the case and should it be the case ? Or 6 channel onboard audio is USB ? It's 8 channels, and

Re: [Alsa-user] Is ALSA the right tool for my app?

2008-03-14 Thread John Sigler
Clemens Ladisch wrote: John Sigler wrote: To keep the level constant, it might need to add or remove a few frames once in a while. This won't work with Dolby data (except by dropping or adding a complete Dolby frame). Using a compressed format requires that the decoder is completely

Re: [Alsa-user] Is ALSA the right tool for my app?

2008-03-14 Thread John Sigler
Allan wrote: Following from Sean, the appropriate system to use would be netjack. http://netjack.sourceforge.net/ I will look into it. Thanks for the pointer. I don't think I can use it as is, because I have written all sorts of code to handle retransmission, forward error correction, and

[Alsa-user] On the fly conversion from DTS to AC3 5.1 audio

2008-03-14 Thread Rob Beard
Hi folks, I'm not sure if I'm in the right place asking this but I thought I'd try anyway I'm having some problems with mplayer when I try to play 720p HDvideo files with 1.5Mbit DTS soundtracks via SPDIF to my surround sound receiver. AC3 audio is working fine (even up to about