g723_1_context Struct Reference

Data Fields
AVClass *	class
AVFrame	frame
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
int	postfilter
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
int	hpf_iir_mem
	and iir memories
int16_t	perf_fir_mem [LPC_ORDER]
	perceptual filter fir
int16_t	perf_iir_mem [LPC_ORDER]
	and iir memories
int16_t	harmonic_mem [PITCH_MAX]

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Detailed Description

Definition at line 42 of file g723_1.c.

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Field Documentation

int16_t g723_1_context::audio[FRAME_LEN+LPC_ORDER+PITCH_MAX+4]

Definition at line 73 of file g723_1.c.

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

AVClass* g723_1_context::class

Definition at line 43 of file g723_1.c.

int g723_1_context::cng_random_seed

Definition at line 63 of file g723_1.c.

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

enum FrameType g723_1_context::cur_frame_type

Definition at line 47 of file g723_1.c.

Referenced by g723_1_decode_frame(), and unpack_bitstream().

int g723_1_context::cur_gain

Definition at line 67 of file g723_1.c.

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

enum Rate g723_1_context::cur_rate

Definition at line 49 of file g723_1.c.

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

int g723_1_context::erased_frames

Definition at line 52 of file g723_1.c.

Referenced by g723_1_decode_frame().

int16_t g723_1_context::excitation[PITCH_MAX+FRAME_LEN+4]

Definition at line 57 of file g723_1.c.

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

int16_t g723_1_context::fir_mem[LPC_ORDER]

Definition at line 59 of file g723_1.c.

Referenced by formant_postfilter().

AVFrame g723_1_context::frame

Definition at line 44 of file g723_1.c.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

int16_t g723_1_context::harmonic_mem[PITCH_MAX]

Definition at line 83 of file g723_1.c.

int16_t g723_1_context::hpf_fir_mem

highpass filter fir

Definition at line 78 of file g723_1.c.

int g723_1_context::hpf_iir_mem

and iir memories

Definition at line 79 of file g723_1.c.

int g723_1_context::iir_mem[LPC_ORDER]

Definition at line 60 of file g723_1.c.

Referenced by formant_postfilter().

int g723_1_context::interp_gain

Definition at line 65 of file g723_1.c.

Referenced by g723_1_decode_frame().

int g723_1_context::interp_index

Definition at line 64 of file g723_1.c.

Referenced by g723_1_decode_frame().

uint8_t g723_1_context::lsp_index[LSP_BANDS]

Definition at line 50 of file g723_1.c.

Referenced by g723_1_decode_frame(), and unpack_bitstream().

enum FrameType g723_1_context::past_frame_type

Definition at line 48 of file g723_1.c.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

int16_t g723_1_context::perf_fir_mem[LPC_ORDER]

perceptual filter fir

Definition at line 80 of file g723_1.c.

int16_t g723_1_context::perf_iir_mem[LPC_ORDER]

and iir memories

Definition at line 81 of file g723_1.c.

int g723_1_context::pf_gain

formant postfilter gain scaling unit memory

Definition at line 69 of file g723_1.c.

Referenced by g723_1_decode_init(), and gain_scale().

int g723_1_context::pitch_lag[2]

Definition at line 51 of file g723_1.c.

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

int g723_1_context::postfilter

Definition at line 71 of file g723_1.c.

Referenced by g723_1_decode_frame().

int16_t g723_1_context::prev_data[HALF_FRAME_LEN]

Definition at line 74 of file g723_1.c.

int16_t g723_1_context::prev_excitation[PITCH_MAX]

Definition at line 56 of file g723_1.c.

Referenced by g723_1_decode_frame(), and generate_noise().

int16_t g723_1_context::prev_lsp[LPC_ORDER]

Definition at line 54 of file g723_1.c.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

int16_t g723_1_context::prev_weight_sig[PITCH_MAX]

Definition at line 75 of file g723_1.c.

int g723_1_context::random_seed

Definition at line 62 of file g723_1.c.

Referenced by g723_1_decode_frame().

int g723_1_context::reflection_coef

Definition at line 68 of file g723_1.c.

Referenced by formant_postfilter().

int g723_1_context::sid_gain

Definition at line 66 of file g723_1.c.

Referenced by estimate_sid_gain(), and g723_1_decode_frame().

int16_t g723_1_context::sid_lsp[LPC_ORDER]

Definition at line 55 of file g723_1.c.

Referenced by g723_1_decode_frame(), and g723_1_decode_init().

G723_1_Subframe g723_1_context::subframe[4]

Definition at line 46 of file g723_1.c.

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

int16_t g723_1_context::synth_mem[LPC_ORDER]

Definition at line 58 of file g723_1.c.

Referenced by g723_1_decode_frame().

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

• libavcodec/g723_1.c