On Wed, Jun 09, 2010 at 11:16:28AM +0200, Daniel Mack wrote: > On Fri, Jun 04, 2010 at 09:49:36PM +0200, Jaroslav Kysela wrote: > > If a stream parameter changes, the driver should interrupt streaming > > immediatelly. The check should be in the trigger() callback (-EIO > > error code) and if the stream is already running - it should be put > > to the > > SNDRV_PCM_STATE_DRAINING (capture) to let the application obtain the > > captured samples until the parameter change. Just call > > snd_pcm_stop() with the new state for the substream. For playback, > > the stream should be put to the SNDRV_PCM_STATE_OPEN state to wait > > to settle new parameters from an application (it means that all I/O > > ops will return -EBADFD). > > Hmm. I implemented this now, but at least aplay won't stop when this > code path is triggered. Is there anything else I should do, except for > calling snd_pcm_stop()? Strange enough, aplay doesn't even quit when the device is unplugged. Can anyone confirm this with an UAC1 device? Daniel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
