From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
android/hardware/bt_av.h | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/android/hardware/bt_av.h b/android/hardware/bt_av.h
index 2ec00c3..5252a17 100644
--- a/android/hardware/bt_av.h
+++ b/android/hardware/bt_av.h
@@ -47,12 +47,23 @@ typedef void (* btav_connection_state_callback)(btav_connection_state_t state,
typedef void (* btav_audio_state_callback)(btav_audio_state_t state,
bt_bdaddr_t *bd_addr);
+/** Callback for audio configuration change.
+ * Used only for the A2DP sink interface.
+ * state will have one of the values from btav_audio_state_t
+ * sample_rate: sample rate in Hz
+ * channel_count: number of channels (1 for mono, 2 for stereo)
+ */
+typedef void (* btav_audio_config_callback)(bt_bdaddr_t *bd_addr,
+ uint32_t sample_rate,
+ uint8_t channel_count);
+
/** BT-AV callback structure. */
typedef struct {
/** set to sizeof(btav_callbacks_t) */
size_t size;
btav_connection_state_callback connection_state_cb;
btav_audio_state_callback audio_state_cb;
+ btav_audio_config_callback audio_config_cb;
} btav_callbacks_t;
/**
@@ -65,7 +76,9 @@ typedef struct {
* android_audio_hw library and the Bluetooth stack.
*
*/
-/** Represents the standard BT-AV interface. */
+/** Represents the standard BT-AV interface.
+ * Used for both the A2DP source and sink interfaces.
+ */
typedef struct {
/** set to sizeof(btav_interface_t) */
--
1.9.1
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