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Data Fields
SingleChannelElement Struct Reference

Single Channel Element - used for both SCE and LFE elements. More...

#include <aac.h>

Data Fields

IndividualChannelStream ics
 
TemporalNoiseShaping tns
 
Pulse pulse
 
enum BandType band_type [128]
 band types
 
int band_type_run_end [120]
 band type run end points
 
float sf [120]
 scalefactors
 
int sf_idx [128]
 scalefactor indices (used by encoder)
 
uint8_t zeroes [128]
 band is not coded (used by encoder)
 
float coeffs [1024]
 coefficients for IMDCT
 
float saved [1536]
 overlap
 
float ret_buf [2048]
 PCM output buffer.
 
float ltp_state [3072]
 time signal for LTP
 
PredictorState predictor_state [MAX_PREDICTORS]
 
float * ret
 PCM output.
 

Detailed Description

Single Channel Element - used for both SCE and LFE elements.

Definition at line 227 of file aac.h.

Field Documentation

IndividualChannelStream SingleChannelElement::ics
TemporalNoiseShaping SingleChannelElement::tns

Definition at line 229 of file aac.h.

Referenced by apply_ltp(), decode_ics(), and spectral_to_sample().

Pulse SingleChannelElement::pulse

Definition at line 230 of file aac.h.

Referenced by adjust_frame_information(), and encode_individual_channel().

enum BandType SingleChannelElement::band_type[128]
int SingleChannelElement::band_type_run_end[120]

band type run end points

Definition at line 232 of file aac.h.

Referenced by apply_intensity_stereo(), and decode_ics().

float SingleChannelElement::sf[120]

scalefactors

Definition at line 233 of file aac.h.

Referenced by apply_intensity_stereo(), and decode_ics().

int SingleChannelElement::sf_idx[128]
uint8_t SingleChannelElement::zeroes[128]
float SingleChannelElement::coeffs[1024]
float SingleChannelElement::saved[1536]

overlap

Definition at line 237 of file aac.h.

Referenced by flush(), imdct_and_windowing(), imdct_and_windowing_eld(), imdct_and_windowing_ld(), and update_ltp().

float SingleChannelElement::ret_buf[2048]

PCM output buffer.

Definition at line 238 of file aac.h.

Referenced by apply_window_and_mdct(), and frame_configure_elements().

float SingleChannelElement::ltp_state[3072]

time signal for LTP

Definition at line 239 of file aac.h.

Referenced by apply_ltp(), and update_ltp().

PredictorState SingleChannelElement::predictor_state[MAX_PREDICTORS]

Definition at line 240 of file aac.h.

Referenced by apply_prediction().

float* SingleChannelElement::ret

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