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Commit 82c341fb authored by More Kuo's avatar More Kuo
Browse files

Dynamic Audio Buffer (3/3) 

Handle the dynamic audio buffer in the BT stack:
1. Send HCI VSC command to the controller.
2. Receive HCI VSC event from the controller.
3. Communicate with framework.

Bug: 163968696
Tag: #feature
Test: Run dynamic audio buffer test
Change-Id: I6a699c2c24b714ce76d1fad858574f2438b64262
parent 0a09d568

system/binder/android/bluetooth/BufferConstraints.aidl

0 → 100644
+3 −0
Original line number Diff line number Diff line 
package android.bluetooth;



parcelable BufferConstraints;

system/binder/android/bluetooth/IBluetoothA2dp.aidl

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package android.bluetooth; 
import android.bluetooth.BluetoothCodecConfig;

import android.bluetooth.BluetoothCodecStatus;

import android.bluetooth.BluetoothDevice;

import android.bluetooth.BufferConstraints;



/**

 * APIs for Bluetooth A2DP service
@@ -52,5 +53,8 @@ interface IBluetoothA2dp { 
    int supportsOptionalCodecs(in BluetoothDevice device);

    int getOptionalCodecsEnabled(in BluetoothDevice device);

    oneway void setOptionalCodecsEnabled(in BluetoothDevice device, int value);

    int getDynamicBufferSupport();

    BufferConstraints getBufferConstraints();

    boolean setBufferMillis(int codec, int size);

    int getPriority(in BluetoothDevice device);

}

system/btif/include/btif_a2dp_source.h

+4 −0
Original line number Diff line number Diff line
@@ -126,4 +126,8 @@ BT_HDR* btif_a2dp_source_audio_readbuf(void); 
// information.

void btif_a2dp_source_debug_dump(int fd);



// Set the dynamic audio buffer size

void btif_a2dp_source_set_dynamic_audio_buffer_size(

    uint8_t dynamic_audio_buffer_size);



#endif /* BTIF_A2DP_SOURCE_H */

system/btif/include/btif_api.h

+11 −0
Original line number Diff line number Diff line
@@ -378,4 +378,15 @@ bt_status_t btif_config_hci_snoop_log(uint8_t enable); 
 ******************************************************************************/

void btif_debug_bond_event_dump(int fd);



/*******************************************************************************

 *

 * Function         btif_set_dynamic_audio_buffer_size

 *

 * Description     Set dynamic audio buffer size

 *

 * Returns          BT_STATUS_SUCCESS on success

 *

 ******************************************************************************/

bt_status_t btif_set_dynamic_audio_buffer_size(int codec, int size);



#endif /* BTIF_API_H */

system/btif/include/btif_av.h

+7 −0
Original line number Diff line number Diff line
@@ -216,4 +216,11 @@ bool btif_av_is_a2dp_offload_running(void); 
 */

bool btif_av_is_peer_silenced(const RawAddress& peer_address);



/**

 * Set the dynamic audio buffer size

 *

 * @param dynamic_audio_buffer_size to set

 */

void btif_av_set_dynamic_audio_buffer_size(uint8_t dynamic_audio_buffer_size);



#endif /* BTIF_AV_H */