IMCContext Struct Reference

Public Member Functions
	DECLARE_ALIGNED_16 (FFTComplex, samples[COEFFS/2])
	DECLARE_ALIGNED_16 (float, out_samples[COEFFS])
Data Fields
float	old_floor [BANDS]
float	flcoeffs1 [BANDS]
float	flcoeffs2 [BANDS]
float	flcoeffs3 [BANDS]
float	flcoeffs4 [BANDS]
float	flcoeffs5 [BANDS]
float	flcoeffs6 [BANDS]
float	CWdecoded [COEFFS]
int	bandWidthT [BANDS]
	codewords per band
int	bitsBandT [BANDS]
	how many bits per codeword in band
int	CWlengthT [COEFFS]
	how many bits in each codeword
int	levlCoeffBuf [BANDS]
int	bandFlagsBuf [BANDS]
	flags for each band
int	sumLenArr [BANDS]
	bits for all coeffs in band
int	skipFlagRaw [BANDS]
	skip flags are stored in raw form or not
int	skipFlagBits [BANDS]
	bits used to code skip flags
int	skipFlagCount [BANDS]
	skipped coeffients per band
int	skipFlags [COEFFS]
	skip coefficient decoding or not
int	codewords [COEFFS]
	raw codewords read from bitstream
float	sqrt_tab [30]
GetBitContext	gb
int	decoder_reset
float	one_div_log2
DSPContext	dsp
FFTContext	fft
float	mdct_sine_window [COEFFS]
	MDCT tables.
float	post_cos [COEFFS]
float	post_sin [COEFFS]
float	pre_coef1 [COEFFS]
float	pre_coef2 [COEFFS]
float	last_fft_im [COEFFS]

---

Detailed Description

Definition at line 49 of file imc.c.

---

Member Function Documentation

IMCContext::DECLARE_ALIGNED_16	(	float	,
		out_samples	[COEFFS]
	)

IMCContext::DECLARE_ALIGNED_16	(	FFTComplex	,
		samples	[COEFFS/2]
	)

---

Field Documentation

int IMCContext::bandFlagsBuf[BANDS]

flags for each band

Definition at line 73 of file imc.c.

Referenced by imc_decode_frame(), imc_get_coeffs(), imc_get_skip_coeff(), and inverse_quant_coeff().

int IMCContext::bandWidthT[BANDS]

codewords per band

Definition at line 69 of file imc.c.

Referenced by bit_allocation(), imc_decode_frame(), imc_get_coeffs(), and imc_get_skip_coeff().

int IMCContext::bitsBandT[BANDS]

how many bits per codeword in band

Definition at line 70 of file imc.c.

Referenced by bit_allocation(), imc_adjust_bit_allocation(), and imc_decode_frame().

int IMCContext::codewords[COEFFS]

raw codewords read from bitstream

Definition at line 79 of file imc.c.

Referenced by imc_decode_frame(), imc_get_coeffs(), and inverse_quant_coeff().

float IMCContext::CWdecoded[COEFFS]

Definition at line 57 of file imc.c.

Referenced by imc_decode_frame(), imc_imdct256(), and inverse_quant_coeff().

int IMCContext::CWlengthT[COEFFS]

how many bits in each codeword

Definition at line 71 of file imc.c.

Referenced by bit_allocation(), imc_adjust_bit_allocation(), imc_decode_frame(), imc_get_coeffs(), and inverse_quant_coeff().

int IMCContext::decoder_reset

Definition at line 82 of file imc.c.

Referenced by imc_decode_frame(), and imc_decode_init().

DSPContext IMCContext::dsp

Definition at line 85 of file imc.c.

Referenced by imc_decode_frame(), and imc_decode_init().

FFTContext IMCContext::fft

Definition at line 86 of file imc.c.

Referenced by imc_decode_close(), imc_decode_init(), and imc_imdct256().

float IMCContext::flcoeffs1[BANDS]

Definition at line 51 of file imc.c.

Referenced by bit_allocation(), and imc_decode_frame().

float IMCContext::flcoeffs2[BANDS]

Definition at line 52 of file imc.c.

Referenced by imc_decode_frame().

float IMCContext::flcoeffs3[BANDS]

Definition at line 53 of file imc.c.

Referenced by bit_allocation(), and imc_decode_frame().

float IMCContext::flcoeffs4[BANDS]

Definition at line 54 of file imc.c.

Referenced by bit_allocation(), and imc_adjust_bit_allocation().

float IMCContext::flcoeffs5[BANDS]

Definition at line 55 of file imc.c.

Referenced by bit_allocation(), and imc_decode_frame().

float IMCContext::flcoeffs6[BANDS]

Definition at line 56 of file imc.c.

Referenced by imc_decode_frame(), and inverse_quant_coeff().

GetBitContext IMCContext::gb

Definition at line 81 of file imc.c.

Referenced by imc_decode_frame(), imc_get_coeffs(), imc_get_skip_coeff(), and imc_read_level_coeffs().

float IMCContext::last_fft_im[COEFFS]

Definition at line 66 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

int IMCContext::levlCoeffBuf[BANDS]

Definition at line 72 of file imc.c.

Referenced by imc_decode_frame().

float IMCContext::mdct_sine_window[COEFFS]

MDCT tables.

Definition at line 61 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

float IMCContext::old_floor[BANDS]

Definition at line 50 of file imc.c.

Referenced by imc_decode_frame(), and imc_decode_init().

float IMCContext::one_div_log2

Definition at line 83 of file imc.c.

Referenced by imc_decode_init().

float IMCContext::post_cos[COEFFS]

Definition at line 62 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

float IMCContext::post_sin[COEFFS]

Definition at line 63 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

float IMCContext::pre_coef1[COEFFS]

Definition at line 64 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

float IMCContext::pre_coef2[COEFFS]

Definition at line 65 of file imc.c.

Referenced by imc_decode_init(), and imc_imdct256().

int IMCContext::skipFlagBits[BANDS]

bits used to code skip flags

Definition at line 76 of file imc.c.

Referenced by imc_decode_frame(), and imc_get_skip_coeff().

int IMCContext::skipFlagCount[BANDS]

skipped coeffients per band

Definition at line 77 of file imc.c.

Referenced by imc_decode_frame(), and imc_get_skip_coeff().

int IMCContext::skipFlagRaw[BANDS]

skip flags are stored in raw form or not

Definition at line 75 of file imc.c.

Referenced by imc_decode_frame(), and imc_get_skip_coeff().

int IMCContext::skipFlags[COEFFS]

skip coefficient decoding or not

Definition at line 78 of file imc.c.

Referenced by imc_adjust_bit_allocation(), imc_decode_frame(), imc_get_coeffs(), and imc_get_skip_coeff().

float IMCContext::sqrt_tab[30]

Definition at line 80 of file imc.c.

Referenced by imc_decode_frame(), and imc_decode_init().

int IMCContext::sumLenArr[BANDS]

bits for all coeffs in band

Definition at line 74 of file imc.c.

Referenced by imc_decode_frame(), and imc_get_coeffs().

---

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

• libavcodec/imc.c