AC3HeaderInfo Struct Reference

Coded AC-3 header values up to the lfeon element, plus derived values. More...

#include <ac3.h>

Data Fields
Coded elements
uint16_t	sync_word
uint16_t	crc1
uint8_t	sr_code
uint8_t	bitstream_id
uint8_t	bitstream_mode
uint8_t	channel_mode
uint8_t	lfe_on
uint8_t	frame_type
int	substreamid
	substream identification
int	center_mix_level
	Center mix level index.
int	surround_mix_level
	Surround mix level index.
uint16_t	channel_map
int	num_blocks
	number of audio blocks
Derived values
uint8_t	sr_shift
uint16_t	sample_rate
uint32_t	bit_rate
uint8_t	channels
uint16_t	frame_size
uint64_t	channel_layout

Detailed Description

Coded AC-3 header values up to the lfeon element, plus derived values.

Definition at line 96 of file ac3.h.

Field Documentation

uint16_t AC3HeaderInfo::sync_word

Definition at line 100 of file ac3.h.

Referenced by avpriv_ac3_parse_header().

uint16_t AC3HeaderInfo::crc1

Definition at line 101 of file ac3.h.

Referenced by avpriv_ac3_parse_header().

uint8_t AC3HeaderInfo::sr_code

Definition at line 102 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::bitstream_id

Definition at line 103 of file ac3.h.

Referenced by ac3_eac3_probe(), ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::bitstream_mode

Definition at line 104 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::channel_mode

Definition at line 105 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::lfe_on

Definition at line 106 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::frame_type

Definition at line 107 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

int AC3HeaderInfo::substreamid

substream identification

Definition at line 108 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

int AC3HeaderInfo::center_mix_level

Center mix level index.

Definition at line 109 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

int AC3HeaderInfo::surround_mix_level

Surround mix level index.

Definition at line 110 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

uint16_t AC3HeaderInfo::channel_map

Definition at line 111 of file ac3.h.

int AC3HeaderInfo::num_blocks

number of audio blocks

Definition at line 112 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::sr_shift

Definition at line 118 of file ac3.h.

Referenced by avpriv_ac3_parse_header(), and parse_frame_header().

uint16_t AC3HeaderInfo::sample_rate

Definition at line 119 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint32_t AC3HeaderInfo::bit_rate

Definition at line 120 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint8_t AC3HeaderInfo::channels

Definition at line 121 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint16_t AC3HeaderInfo::frame_size

Definition at line 122 of file ac3.h.

Referenced by ac3_eac3_probe(), ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

uint64_t AC3HeaderInfo::channel_layout

Definition at line 123 of file ac3.h.

Referenced by ac3_sync(), avpriv_ac3_parse_header(), and parse_frame_header().

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The documentation for this struct was generated from the following file:

• libavcodec/ac3.h