TwinContext Struct Reference

Data Fields
AVCodecContext *	avctx
AVFrame	frame
DSPContext	dsp
AVFloatDSPContext	fdsp
FFTContext	mdct_ctx [3]
const ModeTab *	mtab
float	lsp_hist [2][20]
	LSP coefficients of the last frame.
float	bark_hist [3][2][40]
	BSE coefficients of last frame.
int16_t	permut [4][4096]
uint8_t	length [4][2]
	main codebook stride
uint8_t	length_change [4]
uint8_t	bits_main_spec [2][4][2]
	bits for the main codebook
int	bits_main_spec_change [4]
int	n_div [4]
float *	spectrum
float *	curr_frame
	non-interleaved output
float *	prev_frame
	non-interleaved previous frame
int	last_block_pos [2]
int	discarded_packets
float *	cos_tabs [3]
float *	tmp_buf

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Detailed Description

Definition at line 176 of file twinvq.c.

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Field Documentation

AVCodecContext* TwinContext::avctx

Definition at line 177 of file twinvq.c.

Referenced by construct_perm_table(), dec_gain(), decode_ppc(), imdct_output(), init_bitstream_params(), init_mdct_win(), read_and_decode_spectrum(), and twin_decode_init().

float TwinContext::bark_hist[3][2][40]

BSE coefficients of last frame.

Definition at line 187 of file twinvq.c.

Referenced by dec_bark_env(), and twin_decode_init().

uint8_t TwinContext::bits_main_spec[2][4][2]

bits for the main codebook

Definition at line 193 of file twinvq.c.

Referenced by dequant(), and init_bitstream_params().

int TwinContext::bits_main_spec_change[4]

Definition at line 194 of file twinvq.c.

Referenced by dequant(), and init_bitstream_params().

float* TwinContext::cos_tabs[3]

Definition at line 203 of file twinvq.c.

Referenced by eval_lpcenv(), eval_lpcenv_or_interp(), init_mdct_win(), and twin_decode_close().

float* TwinContext::curr_frame

non-interleaved output

Definition at line 198 of file twinvq.c.

Referenced by imdct_and_window(), imdct_output(), init_mdct_win(), twin_decode_close(), and twin_decode_frame().

int TwinContext::discarded_packets

Definition at line 201 of file twinvq.c.

Referenced by twin_decode_frame().

DSPContext TwinContext::dsp

Definition at line 179 of file twinvq.c.

Referenced by imdct_and_window(), imdct_output(), and twin_decode_init().

AVFloatDSPContext TwinContext::fdsp

Definition at line 180 of file twinvq.c.

Referenced by read_and_decode_spectrum(), and twin_decode_init().

AVFrame TwinContext::frame

Definition at line 178 of file twinvq.c.

Referenced by twin_decode_frame(), and twin_decode_init().

int TwinContext::last_block_pos[2]

Definition at line 200 of file twinvq.c.

Referenced by imdct_and_window(), and imdct_output().

uint8_t TwinContext::length[4][2]

main codebook stride

Definition at line 191 of file twinvq.c.

Referenced by construct_perm_table(), dequant(), and init_bitstream_params().

uint8_t TwinContext::length_change[4]

Definition at line 192 of file twinvq.c.

Referenced by construct_perm_table(), dequant(), and init_bitstream_params().

float TwinContext::lsp_hist[2][20]

LSP coefficients of the last frame.

Definition at line 186 of file twinvq.c.

Referenced by read_and_decode_spectrum().

FFTContext TwinContext::mdct_ctx[3]

Definition at line 181 of file twinvq.c.

Referenced by imdct_and_window(), init_mdct_win(), and twin_decode_close().

const ModeTab* TwinContext::mtab

Definition at line 183 of file twinvq.c.

Referenced by construct_perm_table(), dec_bark_env(), dec_gain(), dec_lpc_spectrum_inv(), decode_lsp(), decode_ppc(), eval_lpcenv(), eval_lpcenv_or_interp(), imdct_and_window(), imdct_output(), init_bitstream_params(), init_mdct_win(), read_and_decode_spectrum(), twin_decode_frame(), and twin_decode_init().

int TwinContext::n_div[4]

Definition at line 195 of file twinvq.c.

Referenced by construct_perm_table(), dequant(), init_bitstream_params(), and read_and_decode_spectrum().

int16_t TwinContext::permut[4][4096]

Definition at line 190 of file twinvq.c.

Referenced by construct_perm_table(), and dequant().

float* TwinContext::prev_frame

non-interleaved previous frame

Definition at line 199 of file twinvq.c.

Referenced by imdct_output(), init_mdct_win(), twin_decode_close(), and twin_decode_frame().

float* TwinContext::spectrum

Definition at line 197 of file twinvq.c.

Referenced by imdct_output(), init_mdct_win(), twin_decode_close(), and twin_decode_frame().

float* TwinContext::tmp_buf

Definition at line 206 of file twinvq.c.

Referenced by construct_perm_table(), imdct_and_window(), init_mdct_win(), read_and_decode_spectrum(), and twin_decode_close().

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

• libavcodec/twinvq.c