On 26 Sep 2014 14:19, "Pali Roh?r" <pali.rohar at gmail.com> wrote: > > On Friday 26 September 2014 06:55:38 Arun Raghavan wrote: > > On 26 September 2014 03:06, Pali Roh?r <pali.rohar at gmail.com> > wrote: > > > On Wednesday 24 September 2014 19:08:55 Pali Roh?r wrote: > > >> With this patch module-bluetooth-policy automatically > > >> switch from a2dp profile to hsp profile if some > > >> application want to start recording. > > >> > > >> By default a2dp profile is used for listening music, but > > >> for VOIP calls is needed profile with microphone support > > >> (hsp). So this patch will switch to hsp profile if some > > >> application want to use microphone and after it release it > > >> profile is switched back to a2dp. So this patch allows to > > >> use bluetooth microphone automatically without need of > > >> user interaction. > > >> > > >> Signed-off-by: Pali Roh?r <pali.rohar at gmail.com> > > >> --- > > > > > > And with this patch a2dp profile could be preferred and has > > > higher priority then hsp. Because a2dp has better audio > > > quality and when recording is needed my patch for > > > module-bluetooth-policy will switch to hsp. What do you > > > think about it? > > > > I'm not in favour of an exception-list-based approach (too > > much of a moving target). I'd written something similar in > > the past based on the media role. I'd prefer something like > > this since it allows us to take action based on what the > > stream is meant to be doing, rather than having a blanket > > policy that may or may not make sense. > > > > http://cgit.freedesktop.org/~arun/pulseaudio/tree/src/modules/ > > module-profile-switcher.c?h=bluetooth > > > > The intention when we last discussed on the list wast to > > integrate this into module-bluetooth-policy (the patch > > predates merge of m-b-p). > > > > -- Arun > > This approach depends on that output stream set by application > will have correct PA_PROP_MEDIA_ROLE. So basically will not work > with any existing application. So this is useless for me and for > other people too. Why not fix said applications? Exposing this metadata correctly allows several things, such a automatic routing, echo cancellation/noise suppression, AGC. The fix can be made via code or starting the app with an environment variable set. -- Arun -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20140926/fda66fb0/attachment-0001.html>
