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bluez5: emit BAP device set nodes as needed

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Emit BAP device set nodes, which the session manager can use to combine
the sinks/sources of a device set to a single sink/source.

Emit the actual sinks/sources with media.class=.../Internal to hide them
from pipewire-pulse.

Add separate device set routes to the set leader device.  Other routes
of the set members will be marked as unavailable when the set is active.

Accordingly, return failure for attempts to set these unavailable
routes, so that volumes etc. of the "internal" nodes are only controlled
via the device set route.
This commit is contained in:
Pauli Virtanen 2023-03-13 19:17:34 +02:00 • committed by Wim Taymans
parent 1a44754f8d
commit 882f9ad2b3
3 changed files with 386 additions and 29 deletions
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7
spa/plugins/bluez5/media-sink.c
View file

@ -131,6 +131,7 @@ struct impl {
unsigned int flush_pending:1;
unsigned int is_duplex:1;
unsigned int is_internal:1;
struct spa_source source;
int timerfd;
@ -1375,7 +1376,8 @@ static void emit_node_info(struct impl *this, bool full)
{
struct spa_dict_item node_info_items[] = {
{ SPA_KEY_DEVICE_API, "bluez5" },
{ SPA_KEY_MEDIA_CLASS, this->is_output ? "Audio/Sink" : "Stream/Input/Audio" },
{ SPA_KEY_MEDIA_CLASS, this->is_internal ? "Audio/Sink/Internal" :
this->is_output ? "Audio/Sink" : "Stream/Input/Audio" },
{ "media.name", ((this->transport && this->transport->device->name) ?
this->transport->device->name : this->codec->bap ? "BAP" : "A2DP" ) },
{ SPA_KEY_NODE_DRIVER, this->is_output ? "true" : "false" },
@ -2059,6 +2061,9 @@ impl_init(const struct spa_handle_factory *factory,
if (info && (str = spa_dict_lookup(info, "api.bluez5.a2dp-duplex")) != NULL)
this->is_duplex = spa_atob(str);
if (info && (str = spa_dict_lookup(info, "api.bluez5.internal")) != NULL)
this->is_internal = spa_atob(str);
if (info && (str = spa_dict_lookup(info, SPA_KEY_API_BLUEZ5_TRANSPORT)))
sscanf(str, "pointer:%p", &this->transport);