FFmpeg
Data Fields
G723_1_ChannelContext Struct Reference

#include <g723_1.h>

Data Fields

G723_1_Subframe subframe [4]
 
enum FrameType cur_frame_type
 
enum FrameType past_frame_type
 
enum Rate cur_rate
 
uint8_t lsp_index [LSP_BANDS]
 
int pitch_lag [2]
 
int erased_frames
 
int16_t prev_lsp [LPC_ORDER]
 
int16_t sid_lsp [LPC_ORDER]
 
int16_t prev_excitation [PITCH_MAX]
 
int16_t excitation [PITCH_MAX+FRAME_LEN+4]
 
int16_t synth_mem [LPC_ORDER]
 
int16_t fir_mem [LPC_ORDER]
 
int iir_mem [LPC_ORDER]
 
int random_seed
 
int cng_random_seed
 
int interp_index
 
int interp_gain
 
int sid_gain
 
int cur_gain
 
int reflection_coef
 
int pf_gain
 formant postfilter gain scaling unit memory More...
 
int16_t audio [FRAME_LEN+LPC_ORDER+PITCH_MAX+4]
 
int16_t prev_data [HALF_FRAME_LEN]
 
int16_t prev_weight_sig [PITCH_MAX]
 
int16_t hpf_fir_mem
 highpass filter fir More...
 
int hpf_iir_mem
 and iir memories More...
 
int16_t perf_fir_mem [LPC_ORDER]
 perceptual filter fir More...
 
int16_t perf_iir_mem [LPC_ORDER]
 and iir memories More...
 
int16_t harmonic_mem [PITCH_MAX]
 

Detailed Description

Definition at line 119 of file g723_1.h.

Field Documentation

G723_1_Subframe G723_1_ChannelContext::subframe[4]
enum FrameType G723_1_ChannelContext::cur_frame_type

Definition at line 121 of file g723_1.h.

Referenced by g723_1_decode_frame(), and unpack_bitstream().

enum FrameType G723_1_ChannelContext::past_frame_type

Definition at line 122 of file g723_1.h.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

enum Rate G723_1_ChannelContext::cur_rate
uint8_t G723_1_ChannelContext::lsp_index[LSP_BANDS]
int G723_1_ChannelContext::pitch_lag[2]
int G723_1_ChannelContext::erased_frames

Definition at line 126 of file g723_1.h.

Referenced by g723_1_decode_frame().

int16_t G723_1_ChannelContext::prev_lsp[LPC_ORDER]
int16_t G723_1_ChannelContext::sid_lsp[LPC_ORDER]

Definition at line 129 of file g723_1.h.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

int16_t G723_1_ChannelContext::prev_excitation[PITCH_MAX]

Definition at line 130 of file g723_1.h.

Referenced by acb_search(), g723_1_decode_frame(), g723_1_encode_frame(), and generate_noise().

int16_t G723_1_ChannelContext::excitation[PITCH_MAX+FRAME_LEN+4]

Definition at line 131 of file g723_1.h.

Referenced by comp_interp_index(), g723_1_decode_frame(), and generate_noise().

int16_t G723_1_ChannelContext::synth_mem[LPC_ORDER]

Definition at line 132 of file g723_1.h.

Referenced by g723_1_decode_frame().

int16_t G723_1_ChannelContext::fir_mem[LPC_ORDER]

Definition at line 133 of file g723_1.h.

Referenced by formant_postfilter(), and perceptual_filter().

int G723_1_ChannelContext::iir_mem[LPC_ORDER]

Definition at line 134 of file g723_1.h.

Referenced by formant_postfilter(), and perceptual_filter().

int G723_1_ChannelContext::random_seed

Definition at line 136 of file g723_1.h.

Referenced by g723_1_decode_frame().

int G723_1_ChannelContext::cng_random_seed

Definition at line 137 of file g723_1.h.

Referenced by g723_1_decode_frame(), g723_1_decode_init(), and generate_noise().

int G723_1_ChannelContext::interp_index

Definition at line 138 of file g723_1.h.

Referenced by g723_1_decode_frame().

int G723_1_ChannelContext::interp_gain

Definition at line 139 of file g723_1.h.

Referenced by g723_1_decode_frame().

int G723_1_ChannelContext::sid_gain

Definition at line 140 of file g723_1.h.

Referenced by estimate_sid_gain(), and g723_1_decode_frame().

int G723_1_ChannelContext::cur_gain

Definition at line 141 of file g723_1.h.

Referenced by estimate_sid_gain(), g723_1_decode_frame(), and generate_noise().

int G723_1_ChannelContext::reflection_coef

Definition at line 142 of file g723_1.h.

Referenced by formant_postfilter().

int G723_1_ChannelContext::pf_gain

formant postfilter gain scaling unit memory

Definition at line 143 of file g723_1.h.

Referenced by g723_1_decode_init(), and gain_scale().

int16_t G723_1_ChannelContext::audio[FRAME_LEN+LPC_ORDER+PITCH_MAX+4]

Definition at line 145 of file g723_1.h.

Referenced by comp_interp_index(), comp_ppf_coeff(), g723_1_decode_frame(), and generate_noise().

int16_t G723_1_ChannelContext::prev_data[HALF_FRAME_LEN]

Definition at line 148 of file g723_1.h.

Referenced by g723_1_encode_frame().

int16_t G723_1_ChannelContext::prev_weight_sig[PITCH_MAX]

Definition at line 149 of file g723_1.h.

Referenced by g723_1_encode_frame().

int16_t G723_1_ChannelContext::hpf_fir_mem

highpass filter fir

Definition at line 151 of file g723_1.h.

Referenced by g723_1_encode_frame().

int G723_1_ChannelContext::hpf_iir_mem

and iir memories

Definition at line 152 of file g723_1.h.

Referenced by g723_1_encode_frame().

int16_t G723_1_ChannelContext::perf_fir_mem[LPC_ORDER]

perceptual filter fir

Definition at line 153 of file g723_1.h.

Referenced by g723_1_encode_frame().

int16_t G723_1_ChannelContext::perf_iir_mem[LPC_ORDER]

and iir memories

Definition at line 154 of file g723_1.h.

Referenced by g723_1_encode_frame().

int16_t G723_1_ChannelContext::harmonic_mem[PITCH_MAX]

Definition at line 156 of file g723_1.h.

Referenced by g723_1_encode_frame().


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