AacPsyContext Struct Reference

3GPP TS26.403-inspired psychoacoustic model specific data More...

Data Fields
int	chan_bitrate
	bitrate per channel
int	frame_bits
	average bits per frame
int	fill_level
	bit reservoir fill level
struct {
float   min
	minimum allowed PE for bit factor calculation
float   max
	maximum allowed PE for bit factor calculation
float   previous
	allowed PE of the previous frame
float   correction
	PE correction factor.
}	pe
AacPsyCoeffs	psy_coef [2][64]
AacPsyChannel *	ch

Detailed Description

3GPP TS26.403-inspired psychoacoustic model specific data

Definition at line 147 of file aacpsy.c.

Field Documentation

int AacPsyContext::chan_bitrate

bitrate per channel

Definition at line 148 of file aacpsy.c.

Referenced by psy_3gpp_init().

int AacPsyContext::frame_bits

average bits per frame

Definition at line 149 of file aacpsy.c.

Referenced by calc_bit_demand(), and psy_3gpp_init().

int AacPsyContext::fill_level

bit reservoir fill level

Definition at line 150 of file aacpsy.c.

Referenced by calc_bit_demand(), and psy_3gpp_init().

float AacPsyContext::min

minimum allowed PE for bit factor calculation

Definition at line 152 of file aacpsy.c.

Referenced by calc_bit_demand(), and psy_3gpp_init().

float AacPsyContext::max

maximum allowed PE for bit factor calculation

Definition at line 153 of file aacpsy.c.

Referenced by calc_bit_demand(), and psy_3gpp_init().

float AacPsyContext::previous

allowed PE of the previous frame

Definition at line 154 of file aacpsy.c.

float AacPsyContext::correction

PE correction factor.

Definition at line 155 of file aacpsy.c.

struct { ... } AacPsyContext::pe

Referenced by calc_bit_demand(), and psy_3gpp_init().

AacPsyCoeffs AacPsyContext::psy_coef[2][64]

Definition at line 157 of file aacpsy.c.

Referenced by psy_3gpp_init().

AacPsyChannel* AacPsyContext::ch

Definition at line 158 of file aacpsy.c.

Referenced by lame_window_init(), psy_3gpp_analyze_channel(), psy_3gpp_end(), psy_3gpp_init(), psy_3gpp_window(), and psy_lame_window().

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

• libavcodec/aacpsy.c