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bluetooth: Abstract microphone gain in transport

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The microphone gain represents the volume of the incoming audio stream
from the headset. This can be nicely abstracted inside the transport
object in bluetooth-util, so the modules don't have to take care about
the D-Bus details.
This commit is contained in:
Mikel Astiz 2012-12-14 15:14:28 +01:00 • committed by Tanu Kaskinen
parent dc19d3eb29
commit ce24ef460a
3 changed files with 61 additions and 1 deletions
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6
src/modules/bluetooth/bluetooth-util.h
View file

@ -43,6 +43,8 @@
#define A2DP_SOURCE_UUID "0000110a-0000-1000-8000-00805f9b34fb"
#define A2DP_SINK_UUID "0000110b-0000-1000-8000-00805f9b34fb"
#define HSP_MAX_GAIN 15
typedef struct pa_bluetooth_uuid pa_bluetooth_uuid;
typedef struct pa_bluetooth_device pa_bluetooth_device;
typedef struct pa_bluetooth_discovery pa_bluetooth_discovery;
@ -76,6 +78,7 @@ typedef enum pa_bluetooth_hook {
PA_BLUETOOTH_HOOK_DEVICE_UUID_ADDED, /* Call data: pa_bluetooth_hook_uuid_data */
PA_BLUETOOTH_HOOK_TRANSPORT_STATE_CHANGED, /* Call data: pa_bluetooth_transport */
PA_BLUETOOTH_HOOK_TRANSPORT_NREC_CHANGED, /* Call data: pa_bluetooth_transport */
PA_BLUETOOTH_HOOK_TRANSPORT_MICROPHONE_GAIN_CHANGED, /* Call data: pa_bluetooth_transport */
PA_BLUETOOTH_HOOK_MAX
} pa_bluetooth_hook_t;
@ -96,6 +99,7 @@ struct pa_bluetooth_transport {
pa_bluetooth_transport_state_t state;
pa_bool_t nrec;
uint16_t microphone_gain; /* Used for HSP/HFP */
};
/* This enum is shared among Audio, Headset, AudioSink, and AudioSource, although not all values are acceptable in all profiles */
@ -145,6 +149,8 @@ bool pa_bluetooth_device_any_audio_connected(const pa_bluetooth_device *d);
int pa_bluetooth_transport_acquire(pa_bluetooth_transport *t, const char *accesstype, size_t *imtu, size_t *omtu);
void pa_bluetooth_transport_release(pa_bluetooth_transport *t, const char *accesstype);
void pa_bluetooth_transport_set_microphone_gain(pa_bluetooth_transport *t, uint16_t value);
pa_hook* pa_bluetooth_discovery_hook(pa_bluetooth_discovery *y, pa_bluetooth_hook_t hook);
const char* pa_bluetooth_get_form_factor(uint32_t class);