bt_a2dp_codecs.h File Reference

Bluetooth A2DP common header for SDK on Spresense. More...

#include <stdint.h>

Go to the source code of this file.

Classes
struct	BT_A2D_SBC_CODEC_INFO
	data type for the SBC Codec Information Element More...
struct	BT_A2D_AAC_CODEC_INFO
	data type for the MPEG-2, 4 AAC Codec Information Element More...
struct	BT_A2D_VENDOR_CODEC_INFO
	Vendor Specific Codec information element type. More...
struct	BT_AUDIO_CODEC_INFO
	Codec information element structure, used to provide info of a single type of codec. More...

Macros
Codec Information format data max length
#define	CODEC_INFO_MAX_LENGTH   20

Enumerations
enum	BT_A2DP_CODEC_TYPE { BT_A2DP_SINK_CODEC_SBC = 1 << 0 , BT_A2DP_SINK_CODEC_AAC = 1 << 2 }
	Masks for supported Codecs. More...
enum	BT_A2DP_TRANSFER_TYPE { BT_A2DP_SINK_DIRECT_TRANSFER = 0x00 , BT_A2DP_SINK_PACKET_TRANSFER = 0x01 }
	Masks for supported Codecs. More...
enum	BT_A2DP_SAMPLE_FREQ {   BT_A2DP_SAMPLE_FREQ_8000HZ , BT_A2DP_SAMPLE_FREQ_11000HZ , BT_A2DP_SAMPLE_FREQ_12000HZ , BT_A2DP_SAMPLE_FREQ_16000HZ ,   BT_A2DP_SAMPLE_FREQ_22050HZ , BT_A2DP_SAMPLE_FREQ_24000HZ , BT_A2DP_SAMPLE_FREQ_32000HZ , BT_A2DP_SAMPLE_FREQ_44100HZ ,   BT_A2DP_SAMPLE_FREQ_48000HZ , BT_A2DP_SAMPLE_FREQ_64000HZ , BT_A2DP_SAMPLE_FREQ_88000HZ , BT_A2DP_SAMPLE_FREQ_96000HZ }
	Masks for supported sample frequency TODO: Need to create mask.
enum	BT_A2DP_CHANNEL_MODE { BT_A2DP_CHANNEL_MONO , BT_A2DP_CHANNEL_DUAL , BT_A2DP_CHANNEL_STEREO , BT_A2DP_CHANNEL_JOINTSTEREO }
	Masks for supported channel TODO: Need to create mask.
enum	BT_A2DP_SBC_ALLOC_MODE { BT_A2DP_CHANNEL_SNR , BT_A2DP_CHANNEL_LOUDNESS }
	Masks for supported allocation method.
enum	BT_A2DP_AAC_PROFILE { BT_A2DP_MPEG2_AAC_LC , BT_A2DP_MPEG4_AAC_LC , BT_A2DP_MPEG4_AAC_LTP , BT_A2DP_MPEG4_AAC_SSR }
	Masks for supported Codecs.

Detailed Description

Bluetooth A2DP common header for SDK on Spresense.

Author

Sony Semiconductor Solutions Corporation

This header file includes bluetooth A2DP common definition between API and HAL I/F.

• Codec information

Enumeration Type Documentation

BT_A2DP_CODEC_TYPE

enum BT_A2DP_CODEC_TYPE

Masks for supported Codecs.

Enumerator
BT_A2DP_SINK_CODEC_SBC	SBC Codec
BT_A2DP_SINK_CODEC_AAC	AAC New codec might be add

BT_A2DP_TRANSFER_TYPE

enum BT_A2DP_TRANSFER_TYPE

Masks for supported Codecs.

Enumerator
BT_A2DP_SINK_DIRECT_TRANSFER	Use direct transfer to BB
BT_A2DP_SINK_PACKET_TRANSFER	Use packet transfer to decode