At Thu, 24 Sep 2009 10:05:57 +0200, I wrote: > > At Wed, 23 Sep 2009 00:55:54 +0530, > George Kuriakose wrote: > > > > Hi > > I was trying to use ctl_elems hooks with dmix plugin but figured that > > this combination doesn't work. Is there any workaround for this. > > I am trying the following. > > There are two softvol devices s0 and s1 going through dmix plugins. > > I wan't to mute s0 when any app opens s1 and unmute s0 when s1 is closed. > > I am using the below asoundrc file which results in "No card for this PCM" . > > Any workarounds or any minor change in libasound which will make this work? > > Currently hook plugin doesn't work with dmix/dsnoop. The problem is > that it doesn't inherit the result of snd_pcm_info() from the slave > PCM. It'd be not too difficult to make it working, though, I guess. Could you try the patch below? Takashi --- diff --git a/src/pcm/pcm_direct.c b/src/pcm/pcm_direct.c index 82cc126..d9e596e 100644 --- a/src/pcm/pcm_direct.c +++ b/src/pcm/pcm_direct.c @@ -591,7 +591,10 @@ int snd_pcm_direct_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned in int snd_pcm_direct_info(snd_pcm_t *pcm, snd_pcm_info_t * info) { - // snd_pcm_direct_t *dmix = pcm->private_data; + snd_pcm_direct_t *dmix = pcm->private_data; + + if (dmix->spcm && !dmix->shmptr->use_server) + return snd_pcm_info(dmix->spcm, info); memset(info, 0, sizeof(*info)); info->stream = pcm->stream; ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user