Adds support for bluetooth audio through bluez-alsaguppy_6.99.4guppy_6.99.3guppy/6.99.4guppy/6.99.36.99.46.99.3

Implements a new bluealsa plugin to the HAL manager,
reacting to the changes of the available transports.
This plugin is linked with the new bluealsa.so shared
library.
New transports (SCO & A2DP) result in softmixer invocations
of the "attach" verb, that creates the new capture
(eg, A2DP capture from bluealsa ioplug PCM, SCO microphone
capture), playbacks (SCO playback to a softmixer zone,
and SCO output to bluealsa iogplug PCM).

When a transport disappears, the hal manager calls the
transaction deletion verb that will tell the softmixer
to remove the created streams and associated objects.

Change-Id: I36037a4f14ef7fee38070fc0df66c40b4ce46e8b
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>

1 files changed, 21 insertions, 0 deletions

diff --git a/plugins/lib/bluealsa/hal-bluealsa.h b/plugins/lib/bluealsa/hal-bluealsa.h
new file mode 100644
index 0000000..86fe45a
--- /dev/null
+++ b/plugins/lib/bluealsa/hal-bluealsa.h
@@ -0,0 +1,21 @@
+#ifndef __INC_HAL_BLUEALSA_H
+#define __INC_HAL_BLUEALSA_H
+
+#include "hal-bluealsa-transports.h"
+
+typedef struct {
+	bluealsa_transport_t transport_list;
+	struct {
+		char * mic;		// capture for talking
+		char * speaker;	// playback zone
+		uint32_t delayms;
+	} sco;
+	struct {
+		char * zone;
+		uint32_t delayms;
+	} a2dp;
+} hal_bluealsa_plugin_data_t;
+
+#define SMIXER_API_NAME "smixer"
+
+#endif /* __INC_HAL_BLUEALSA_H */