Re: [Alsa-devel] questions about card detection

2003-08-29 Thread Takashi Iwai
At Fri, 29 Aug 2003 11:31:35 +0100, holborn wrote: > > On Viernes, 29 de Agosto de 2003 10:37, Takashi Iwai wrote: > > Hi! > > > > "sub-device" is the lowest level of PCM abstration. > > an actual PCM stream is always assigned to a sub-stream. > > > > the sub-device is introduced to represent t

Re: [Alsa-devel] questions about card detection

2003-08-29 Thread holborn
On Viernes, 29 de Agosto de 2003 10:37, Takashi Iwai wrote: Hi! > "sub-device" is the lowest level of PCM abstration. > an actual PCM stream is always assigned to a sub-stream. > > the sub-device is introduced to represent the cases like > multi-playback function. for example, SB Live can play

Re: [Alsa-devel] questions about card detection

2003-08-29 Thread Takashi Iwai
At 29 Aug 2003 02:04:24 -0700, Joshua Haberman wrote: > > Two questions. > > First: Is it possible to determine the maximum number of channels for a > sound card that is in use by another application? My method for > detecting the number of channels is: > > - open the pcm > - use the hw_params

[Alsa-devel] questions about card detection

2003-08-29 Thread Joshua Haberman
Two questions. First: Is it possible to determine the maximum number of channels for a sound card that is in use by another application? My method for detecting the number of channels is: - open the pcm - use the hw_params API to determine the number of channels But if another application has t