Audio probe extraction stream packet frame headers and format bitfield encoding. More...

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Data Structures
struct	probe_data_packet
	Header for data packets sent via compressed PCM from extraction probes. More...

Macros
#define	PROBE_EXTRACT_SYNC_WORD 0xBABEBEBA
	Extraction packet sync marker (0xBABEBEBA)

Probe Extraction Audio Format Bitfield Shifts & Masks
Bitfield encoding for probe extraction stream audio formats.
#define	PROBE_SHIFT_FMT_TYPE 31
	Type encoding shift (1 = standard)

#define	PROBE_SHIFT_STANDARD_TYPE 27
	Standard type shift (0 = audio)

#define	PROBE_SHIFT_AUDIO_FMT 23
	Audio format shift (0 = PCM)

#define	PROBE_SHIFT_SAMPLE_RATE 19
	Sample rate enumeration index shift.

#define	PROBE_SHIFT_NB_CHANNELS 14
	Channel count minus 1 shift.

#define	PROBE_SHIFT_SAMPLE_SIZE 12
	Valid sample bytes minus 1 shift.

#define	PROBE_SHIFT_CONTAINER_SIZE 10
	Container bytes minus 1 shift.

#define	PROBE_SHIFT_SAMPLE_FMT 9
	Sample format (0 = integer, 1 = float)

#define	PROBE_SHIFT_SAMPLE_END 8
	Endianness (0 = little-endian)

#define	PROBE_SHIFT_INTERLEAVING_ST 7
	Interleaving (1 = sample interleaved)

#define	PROBE_MASK_FMT_TYPE MASK(31, 31)
	Type encoding mask.

#define	PROBE_MASK_STANDARD_TYPE MASK(30, 27)
	Standard type mask.

#define	PROBE_MASK_AUDIO_FMT MASK(26, 23)
	Audio format mask.

#define	PROBE_MASK_SAMPLE_RATE MASK(22, 19)
	Sample rate mask.

#define	PROBE_MASK_NB_CHANNELS MASK(18, 14)
	Channel count mask.

#define	PROBE_MASK_SAMPLE_SIZE MASK(13, 12)
	Sample size mask.

#define	PROBE_MASK_CONTAINER_SIZE MASK(11, 10)
	Container size mask.

#define	PROBE_MASK_SAMPLE_FMT MASK(9, 9)
	Sample format mask.

#define	PROBE_MASK_SAMPLE_END MASK(8, 8)
	Endianness mask.

#define	PROBE_MASK_INTERLEAVING_ST MASK(7, 7)
	Interleaving mask.

Detailed Description

Audio probe extraction stream packet frame headers and format bitfield encoding.

Macro Definition Documentation

◆ PROBE_EXTRACT_SYNC_WORD

#define PROBE_EXTRACT_SYNC_WORD 0xBABEBEBA

Extraction packet sync marker (0xBABEBEBA)

◆ PROBE_MASK_AUDIO_FMT

#define PROBE_MASK_AUDIO_FMT MASK(26, 23)

Audio format mask.

◆ PROBE_MASK_CONTAINER_SIZE

#define PROBE_MASK_CONTAINER_SIZE MASK(11, 10)

Container size mask.

◆ PROBE_MASK_FMT_TYPE

#define PROBE_MASK_FMT_TYPE MASK(31, 31)

Type encoding mask.

◆ PROBE_MASK_INTERLEAVING_ST

#define PROBE_MASK_INTERLEAVING_ST MASK(7, 7)

Interleaving mask.

◆ PROBE_MASK_NB_CHANNELS

#define PROBE_MASK_NB_CHANNELS MASK(18, 14)

Channel count mask.

◆ PROBE_MASK_SAMPLE_END

#define PROBE_MASK_SAMPLE_END MASK(8, 8)

Endianness mask.

◆ PROBE_MASK_SAMPLE_FMT

#define PROBE_MASK_SAMPLE_FMT MASK(9, 9)

Sample format mask.

◆ PROBE_MASK_SAMPLE_RATE

#define PROBE_MASK_SAMPLE_RATE MASK(22, 19)

Sample rate mask.

◆ PROBE_MASK_SAMPLE_SIZE

#define PROBE_MASK_SAMPLE_SIZE MASK(13, 12)

Sample size mask.

◆ PROBE_MASK_STANDARD_TYPE

#define PROBE_MASK_STANDARD_TYPE MASK(30, 27)

Standard type mask.

◆ PROBE_SHIFT_AUDIO_FMT

#define PROBE_SHIFT_AUDIO_FMT 23

Audio format shift (0 = PCM)

◆ PROBE_SHIFT_CONTAINER_SIZE

#define PROBE_SHIFT_CONTAINER_SIZE 10

Container bytes minus 1 shift.

◆ PROBE_SHIFT_FMT_TYPE

#define PROBE_SHIFT_FMT_TYPE 31

Type encoding shift (1 = standard)

◆ PROBE_SHIFT_INTERLEAVING_ST

#define PROBE_SHIFT_INTERLEAVING_ST 7

Interleaving (1 = sample interleaved)

◆ PROBE_SHIFT_NB_CHANNELS

#define PROBE_SHIFT_NB_CHANNELS 14

Channel count minus 1 shift.

◆ PROBE_SHIFT_SAMPLE_END

#define PROBE_SHIFT_SAMPLE_END 8

Endianness (0 = little-endian)

◆ PROBE_SHIFT_SAMPLE_FMT

#define PROBE_SHIFT_SAMPLE_FMT 9

Sample format (0 = integer, 1 = float)

◆ PROBE_SHIFT_SAMPLE_RATE

#define PROBE_SHIFT_SAMPLE_RATE 19

Sample rate enumeration index shift.

◆ PROBE_SHIFT_SAMPLE_SIZE

#define PROBE_SHIFT_SAMPLE_SIZE 12

Valid sample bytes minus 1 shift.

◆ PROBE_SHIFT_STANDARD_TYPE

#define PROBE_SHIFT_STANDARD_TYPE 27

Standard type shift (0 = audio)

Data Structures

Macros