Re: [PATCH BlueZ] audio/transport: Emit Volume changed if endpoint is source

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Hi Feryllt,

On Wed, Mar 31, 2021 at 1:01 PM Feryllt Pryderi <feryllt@xxxxxxxxx> wrote:
>
> Hi Luiz,
>
> sure I can update the patch, but is the if at all needed? Can we have transports without any of source_watch and sink_watch?

Right, I was about to do the change myself but you have a good point,
if we will be emitting for both then we should just signal regardless.
That said when acting as a source (notify=false) we would be sense the
command AVRCP_SET_ABSOLUTE_VOLUME which the remote shall generate an
event AVRCP_EVENT_VOLUME_CHANGED which will then generate the signal
at media_transport_update_volume, so something is off here, are you
really not getting any signal?

> On 3/31/21 8:33 PM, Luiz Augusto von Dentz wrote:
> > Hi Feryllt,
> >
> > On Wed, Mar 31, 2021 at 4:40 AM Feryllt Pryderi <feryllt@xxxxxxxxx> wrote:
> >> Change set_volume to send a Volume PropertyChanged signal also if
> >> transport->sink_watch is set (and not only if source_watch is set).
> >>
> >> This fixes volume changes signals not being sent for devices like speakers and
> >> headphone adapters with volume control (like Bose Soundlink Revolve or Fiio BTR5).
> >> ---
> >>  profiles/audio/transport.c | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/profiles/audio/transport.c b/profiles/audio/transport.c
> >> index 8248014ae..26aa237a3 100644
> >> --- a/profiles/audio/transport.c
> >> +++ b/profiles/audio/transport.c
> >> @@ -662,6 +662,7 @@ static void set_volume(const GDBusPropertyTable *property,
> >>      a2dp->volume = volume;
> >>
> >>      notify = transport->source_watch ? true : false;
> >> +    notify = notify || (transport->sink_watch ? true : false);
> > Id replace the following like with:
> >
> >   if (transport->source_watch || transport->sink_watch)
> >
> >>      if (notify)
> >>          g_dbus_emit_property_changed(btd_get_dbus_connection(),
> >>                          transport->path,
> >> --
> >> 2.31.0
> >>
> >



-- 
Luiz Augusto von Dentz



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