123 lines
4.6 KiB
C
123 lines
4.6 KiB
C
|
#ifndef _CODEC_DEF_H_
|
||
|
|
#define _CODEC_DEF_H_
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#define TRANSPARENT_CODEC_ID 0x03
|
||
|
|
#define LC3_CODEC_ID 0x06
|
||
|
|
#define VENDOR_CODEC_ID 0xFF
|
||
|
|
#define CODEC_ID_LEN 5
|
||
|
|
|
||
|
|
/* Codec_Specific_Capabilities parameters*/
|
||
|
|
//Codec Specific Capability Types
|
||
|
|
#define CODEC_CAP_TYPE_SUPPORTED_SAMPLING_FREQUENCIES 0x01
|
||
|
|
#define CODEC_CAP_TYPE_SUPPORTED_FRAME_DURATIONS 0x02
|
||
|
|
#define CODEC_CAP_TYPE_AUDIO_CHANNEL_COUNTS 0x03
|
||
|
|
/*4 octets.
|
||
|
|
Octet 0-1: Minimum number of octets supported per codec frame
|
||
|
|
Octet 2-3: Maximum number of octets supported per codec frame*/
|
||
|
|
#define CODEC_CAP_TYPE_SUPPORTED_OCTETS_PER_CODEC_FRAME 0x04
|
||
|
|
#define CODEC_CAP_TYPE_MAX_SUPPORTED_FRAMES_PER_SDU 0x05
|
||
|
|
|
||
|
|
#define SAMPLING_FREQUENCY_8K 0x0001
|
||
|
|
#define SAMPLING_FREQUENCY_11K 0x0002
|
||
|
|
#define SAMPLING_FREQUENCY_16K 0x0004
|
||
|
|
#define SAMPLING_FREQUENCY_22K 0x0008
|
||
|
|
#define SAMPLING_FREQUENCY_24K 0x0010
|
||
|
|
#define SAMPLING_FREQUENCY_32K 0x0020
|
||
|
|
#define SAMPLING_FREQUENCY_44_1K 0x0040
|
||
|
|
#define SAMPLING_FREQUENCY_48K 0x0080
|
||
|
|
#define SAMPLING_FREQUENCY_88K 0x0100
|
||
|
|
#define SAMPLING_FREQUENCY_96K 0x0200
|
||
|
|
#define SAMPLING_FREQUENCY_176K 0x0400
|
||
|
|
#define SAMPLING_FREQUENCY_192K 0x0800
|
||
|
|
#define SAMPLING_FREQUENCY_384K 0x1000
|
||
|
|
#define SAMPLING_FREQUENCY_MASK 0x1FFF
|
||
|
|
|
||
|
|
#define FRAME_DURATION_7_5_MS_BIT 0x01
|
||
|
|
#define FRAME_DURATION_10_MS_BIT 0x02
|
||
|
|
#define FRAME_DURATION_PREFER_7_5_MS_BIT 0x10
|
||
|
|
#define FRAME_DURATION_PREFER_10_MS_BIT 0x20
|
||
|
|
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_1 0x01
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_2 0x02
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_3 0x04
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_4 0x08
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_5 0x10
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_6 0x20
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_7 0x40
|
||
|
|
#define AUDIO_CHANNEL_COUNTS_8 0x80
|
||
|
|
|
||
|
|
//Config Codec operation
|
||
|
|
#define CODEC_CFG_TYPE_SAMPLING_FREQUENCY 0x01
|
||
|
|
#define CODEC_CFG_TYPE_FRAME_DURATION 0x02
|
||
|
|
#define CODEC_CFG_TYPE_AUDIO_CHANNEL_ALLOCATION 0x03
|
||
|
|
#define CODEC_CFG_TYPE_OCTET_PER_CODEC_FRAME 0x04
|
||
|
|
#define CODEC_CFG_TYPE_BLOCKS_PER_SDU 0x05
|
||
|
|
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_8K 0x01
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_11K 0x02
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_16K 0x03
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_22K 0x04
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_24K 0x05
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_32K 0x06
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_44_1K 0x07
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_48K 0x08
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_88K 0x09
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_96K 0x0A
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_176K 0x0B
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_192K 0x0C
|
||
|
|
#define SAMPLING_FREQUENCY_CFG_384K 0x0D
|
||
|
|
|
||
|
|
#define FRAME_DURATION_CFG_7_5_MS 0x00
|
||
|
|
#define FRAME_DURATION_CFG_10_MS 0x01
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#define CODEC_CAP_SUPPORTED_SAMPLING_FREQUENCIES_EXIST 0x0001
|
||
|
|
#define CODEC_CAP_SUPPORTED_FRAME_DURATIONS_EXIST 0x0002
|
||
|
|
#define CODEC_CAP_AUDIO_CHANNEL_COUNTS_EXIST 0x0004
|
||
|
|
#define CODEC_CAP_SUPPORTED_OCTETS_PER_CODEC_FRAME_EXIST 0x0008
|
||
|
|
#define CODEC_CAP_MAX_SUPPORTED_FRAMES_PER_SDU_EXIST 0x0010
|
||
|
|
|
||
|
|
#define CODEC_CFG_SAMPLING_FREQUENCY_EXIST 0x0001
|
||
|
|
#define CODEC_CFG_FRAME_DURATION_EXIST 0x0002
|
||
|
|
#define CODEC_CFG_AUDIO_CHANNEL_ALLOCATION_EXIST 0x0004
|
||
|
|
#define CODEC_CFG_OCTET_PER_CODEC_FRAME_EXIST 0x0008
|
||
|
|
#define CODEC_CFG_TYPE_BLOCKS_PER_SDU_EXIST 0x0010
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint16_t type_exist;
|
||
|
|
uint16_t supported_sampling_frequencies;
|
||
|
|
uint8_t supported_frame_durations;
|
||
|
|
uint8_t audio_channel_counts;
|
||
|
|
uint8_t max_supported_codec_frames_per_sdu;
|
||
|
|
uint16_t min_octets_per_codec_frame;
|
||
|
|
uint16_t max_octets_per_codec_frame;
|
||
|
|
} T_CODEC_CAP;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
uint16_t type_exist;
|
||
|
|
uint8_t frame_duration;
|
||
|
|
uint8_t sample_frequency;
|
||
|
|
uint8_t codec_frame_blocks_per_sdu;
|
||
|
|
uint16_t octets_per_codec_frame;
|
||
|
|
uint32_t audio_channel_allocation;
|
||
|
|
uint32_t presentation_delay;
|
||
|
|
} T_CODEC_CFG;
|
||
|
|
|
||
|
|
uint8_t count_bits_1(uint32_t value);
|
||
|
|
bool codec_cap_parse(uint8_t len, uint8_t *p_data, T_CODEC_CAP *p_cap);
|
||
|
|
bool codec_cfg_parse(uint8_t len, uint8_t *p_data, T_CODEC_CFG *p_cfg);
|
||
|
|
bool codec_cfg_gen(uint8_t *p_len, uint8_t *p_data, T_CODEC_CFG *p_cfg);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif /* __cplusplus */
|
||
|
|
|
||
|
|
#endif
|