Data for a single audio block. More...

#include <ac3enc.h>

Data Fields
CoefType *	mdct_coef [AC3_MAX_CHANNELS]
	MDCT coefficients.

int32_t *	fixed_coef [AC3_MAX_CHANNELS]
	fixed-point MDCT coefficients

uint8_t *	exp [AC3_MAX_CHANNELS]
	original exponents

uint8_t *	grouped_exp [AC3_MAX_CHANNELS]
	grouped exponents

int16_t *	psd [AC3_MAX_CHANNELS]
	psd per frequency bin

int16_t *	band_psd [AC3_MAX_CHANNELS]
	psd per critical band

int16_t *	mask [AC3_MAX_CHANNELS]
	masking curve

uint16_t *	qmant [AC3_MAX_CHANNELS]
	quantized mantissas

uint8_t *	cpl_coord_exp [AC3_MAX_CHANNELS]
	coupling coord exponents (cplcoexp)

uint8_t *	cpl_coord_mant [AC3_MAX_CHANNELS]
	coupling coord mantissas (cplcomant)

uint8_t	new_rematrixing_strategy
	send new rematrixing flags in this block

int	num_rematrixing_bands
	number of rematrixing bands

uint8_t	rematrixing_flags [4]
	rematrixing flags

int	new_cpl_strategy
	send new coupling strategy

int	cpl_in_use
	coupling in use for this block (cplinu)

uint8_t	channel_in_cpl [AC3_MAX_CHANNELS]
	channel in coupling (chincpl)

int	num_cpl_channels
	number of channels in coupling

uint8_t	new_cpl_coords [AC3_MAX_CHANNELS]
	send new coupling coordinates (cplcoe)

uint8_t	cpl_master_exp [AC3_MAX_CHANNELS]
	coupling coord master exponents (mstrcplco)

int	new_snr_offsets
	send new SNR offsets

int	new_cpl_leak
	send new coupling leak info

int	end_freq [AC3_MAX_CHANNELS]
	end frequency bin (endmant)

Detailed Description

Data for a single audio block.

Definition at line 129 of file ac3enc.h.

Field Documentation

◆ mdct_coef

CoefType* AC3Block::mdct_coef[AC3_MAX_CHANNELS]

MDCT coefficients.

Definition at line 130 of file ac3enc.h.

◆ fixed_coef

int32_t* AC3Block::fixed_coef[AC3_MAX_CHANNELS]

fixed-point MDCT coefficients

Definition at line 131 of file ac3enc.h.

◆ exp

uint8_t* AC3Block::exp[AC3_MAX_CHANNELS]

original exponents

Definition at line 132 of file ac3enc.h.

◆ grouped_exp

uint8_t* AC3Block::grouped_exp[AC3_MAX_CHANNELS]

grouped exponents

Definition at line 133 of file ac3enc.h.

◆ psd

int16_t* AC3Block::psd[AC3_MAX_CHANNELS]

psd per frequency bin

Definition at line 134 of file ac3enc.h.

◆ band_psd

int16_t* AC3Block::band_psd[AC3_MAX_CHANNELS]

psd per critical band

Definition at line 135 of file ac3enc.h.

◆ mask

int16_t* AC3Block::mask[AC3_MAX_CHANNELS]

masking curve

Definition at line 136 of file ac3enc.h.

◆ qmant

uint16_t* AC3Block::qmant[AC3_MAX_CHANNELS]

quantized mantissas

Definition at line 137 of file ac3enc.h.

◆ cpl_coord_exp

uint8_t* AC3Block::cpl_coord_exp[AC3_MAX_CHANNELS]

coupling coord exponents (cplcoexp)

Definition at line 138 of file ac3enc.h.

◆ cpl_coord_mant

uint8_t* AC3Block::cpl_coord_mant[AC3_MAX_CHANNELS]

coupling coord mantissas (cplcomant)

Definition at line 139 of file ac3enc.h.

◆ new_rematrixing_strategy

uint8_t AC3Block::new_rematrixing_strategy

send new rematrixing flags in this block

Definition at line 140 of file ac3enc.h.

◆ num_rematrixing_bands

int AC3Block::num_rematrixing_bands

number of rematrixing bands

Definition at line 141 of file ac3enc.h.

Referenced by compute_rematrixing_strategy().

◆ rematrixing_flags

uint8_t AC3Block::rematrixing_flags[4]

rematrixing flags

Definition at line 142 of file ac3enc.h.

Referenced by compute_rematrixing_strategy().

◆ new_cpl_strategy

int AC3Block::new_cpl_strategy

send new coupling strategy

Definition at line 143 of file ac3enc.h.

◆ cpl_in_use

int AC3Block::cpl_in_use

coupling in use for this block (cplinu)

Definition at line 144 of file ac3enc.h.

Referenced by apply_channel_coupling().

◆ channel_in_cpl

uint8_t AC3Block::channel_in_cpl[AC3_MAX_CHANNELS]

channel in coupling (chincpl)

Definition at line 145 of file ac3enc.h.

Referenced by apply_channel_coupling().

◆ num_cpl_channels

int AC3Block::num_cpl_channels

number of channels in coupling

Definition at line 146 of file ac3enc.h.

◆ new_cpl_coords

uint8_t AC3Block::new_cpl_coords[AC3_MAX_CHANNELS]

send new coupling coordinates (cplcoe)

Definition at line 147 of file ac3enc.h.

◆ cpl_master_exp

uint8_t AC3Block::cpl_master_exp[AC3_MAX_CHANNELS]

coupling coord master exponents (mstrcplco)

Definition at line 148 of file ac3enc.h.

◆ new_snr_offsets

int AC3Block::new_snr_offsets

send new SNR offsets

Definition at line 149 of file ac3enc.h.

◆ new_cpl_leak

int AC3Block::new_cpl_leak

send new coupling leak info

Definition at line 150 of file ac3enc.h.

◆ end_freq

int AC3Block::end_freq[AC3_MAX_CHANNELS]

end frequency bin (endmant)

Definition at line 151 of file ac3enc.h.

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

libavcodec/ac3enc.h

Data Fields