#include <float.h>
#include "config_components.h"
#include "mathops.h"
#include "opustab.h"
#include "opus_pvq.h"

Macros
#define	ROUND_MUL16(a, b) ((MUL16(a, b) + 16384) >> 15)

#define	CELT_PVQ_U(n, k) (ff_celt_pvq_u_row[FFMIN(n, k)][FFMAX(n, k)])

#define	CELT_PVQ_V(n, k) (CELT_PVQ_U(n, k) + CELT_PVQ_U(n, (k) + 1))

Functions
static int16_t	celt_cos (int16_t x)

static int	celt_log2tan (int isin, int icos)

static int	celt_bits2pulses (const uint8_t *cache, int bits)

static int	celt_pulses2bits (const uint8_t *cache, int pulses)

static void	celt_normalize_residual (const int restrict iy, float restrict X, int N, float g)

static void	celt_exp_rotation_impl (float *X, uint32_t len, uint32_t stride, float c, float s)

static void	celt_exp_rotation (float *X, uint32_t len, uint32_t stride, uint32_t K, enum CeltSpread spread, const int encode)

static uint32_t	celt_extract_collapse_mask (const int *iy, uint32_t N, uint32_t B)

static void	celt_stereo_merge (float X, float Y, float mid, int N)

static void	celt_interleave_hadamard (float tmp, float X, int N0, int stride, int hadamard)

static void	celt_deinterleave_hadamard (float tmp, float X, int N0, int stride, int hadamard)

static void	celt_haar1 (float *X, int N0, int stride)

static int	celt_compute_qn (int N, int b, int offset, int pulse_cap, int stereo)

static uint32_t	celt_icwrsi (uint32_t N, uint32_t K, const int *y)

static uint64_t	celt_cwrsi (uint32_t N, uint32_t K, uint32_t i, int *y)

static void	celt_encode_pulses (OpusRangeCoder rc, int y, uint32_t N, uint32_t K)

static float	celt_decode_pulses (OpusRangeCoder rc, int y, uint32_t N, uint32_t K)

static uint32_t	celt_alg_quant (OpusRangeCoder rc, float X, uint32_t N, uint32_t K, enum CeltSpread spread, uint32_t blocks, float gain, CeltPVQ *pvq)

static uint32_t	celt_alg_unquant (OpusRangeCoder rc, float X, uint32_t N, uint32_t K, enum CeltSpread spread, uint32_t blocks, float gain, CeltPVQ *pvq)
	Decode pulse vector and combine the result with the pitch vector to produce the final normalised signal in the current band. More...

static int	celt_calc_theta (const float X, const float Y, int coupling, int N)

static void	celt_stereo_is_decouple (float X, float Y, float e_l, float e_r, int N)

static void	celt_stereo_ms_decouple (float X, float Y, int N)

static av_always_inline uint32_t	quant_band_template (CeltPVQ pvq, CeltFrame f, OpusRangeCoder rc, const int band, float X, float Y, int N, int b, uint32_t blocks, float lowband, int duration, float lowband_out, int level, float gain, float lowband_scratch, int fill, int quant)

static	QUANT_FN (pvq_decode_band)

static	QUANT_FN (pvq_encode_band)

int av_cold	ff_celt_pvq_init (CeltPVQ **pvq, int encode)

void av_cold	ff_celt_pvq_uninit (CeltPVQ **pvq)

Macro Definition Documentation

◆ ROUND_MUL16

#define ROUND_MUL16	(	a,
		b
	)	((MUL16(a, b) + 16384) >> 15)

Definition at line 34 of file opus_pvq.c.

◆ CELT_PVQ_U

#define CELT_PVQ_U	(	n,
		k
	)	(ff_celt_pvq_u_row[FFMIN(n, k)][FFMAX(n, k)])

Definition at line 36 of file opus_pvq.c.

◆ CELT_PVQ_V

#define CELT_PVQ_V	(	n,
		k
	)	(CELT_PVQ_U(n, k) + CELT_PVQ_U(n, (k) + 1))

Definition at line 37 of file opus_pvq.c.

Function Documentation

◆ celt_cos()

static int16_t celt_cos ( int16_t x )

inlinestatic

Definition at line 39 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_log2tan()

static int celt_log2tan	(	int	isin,
		int	icos
	)

inlinestatic

Definition at line 46 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_bits2pulses()

static int celt_bits2pulses	(	const uint8_t *	cache,
		int	bits
	)

inlinestatic

Definition at line 58 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_pulses2bits()

static int celt_pulses2bits	(	const uint8_t *	cache,
		int	pulses
	)

inlinestatic

Definition at line 77 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_normalize_residual()

static void celt_normalize_residual	(	const int *restrict	iy,
		float *restrict	X,
		int	N,
		float	g
	)

inlinestatic

Definition at line 83 of file opus_pvq.c.

Referenced by celt_alg_quant(), and celt_alg_unquant().

◆ celt_exp_rotation_impl()

static void celt_exp_rotation_impl	(	float *	X,
		uint32_t	len,
		uint32_t	stride,
		float	c,
		float	s
	)

static

Definition at line 91 of file opus_pvq.c.

Referenced by celt_exp_rotation().

◆ celt_exp_rotation()

static void celt_exp_rotation	(	float *	X,
		uint32_t	len,
		uint32_t	stride,
		uint32_t	K,
		enum CeltSpread	spread,
		const int	encode
	)

inlinestatic

Definition at line 114 of file opus_pvq.c.

Referenced by celt_alg_quant(), and celt_alg_unquant().

◆ celt_extract_collapse_mask()

static uint32_t celt_extract_collapse_mask	(	const int *	iy,
		uint32_t	N,
		uint32_t	B
	)

inlinestatic

Definition at line 154 of file opus_pvq.c.

Referenced by celt_alg_quant(), and celt_alg_unquant().

◆ celt_stereo_merge()

static void celt_stereo_merge	(	float *	X,
		float *	Y,
		float	mid,
		int	N
	)

inlinestatic

Definition at line 168 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_interleave_hadamard()

static void celt_interleave_hadamard	(	float *	tmp,
		float *	X,
		int	N0,
		int	stride,
		int	hadamard
	)

static

Definition at line 206 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_deinterleave_hadamard()

static void celt_deinterleave_hadamard	(	float *	tmp,
		float *	X,
		int	N0,
		int	stride,
		int	hadamard
	)

static

Definition at line 219 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_haar1()

static void celt_haar1	(	float *	X,
		int	N0,
		int	stride
	)

static

Definition at line 232 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_compute_qn()

static int celt_compute_qn	(	int	N,
		int	b,
		int	offset,
		int	pulse_cap,
		int	stereo
	)

inlinestatic

Definition at line 246 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_icwrsi()

static uint32_t celt_icwrsi	(	uint32_t	N,
		uint32_t	K,
		const int *	y
	)

inlinestatic

Definition at line 263 of file opus_pvq.c.

Referenced by celt_encode_pulses().

◆ celt_cwrsi()

static uint64_t celt_cwrsi	(	uint32_t	N,
		uint32_t	K,
		uint32_t	i,
		int *	y
	)

inlinestatic

Definition at line 275 of file opus_pvq.c.

Referenced by celt_decode_pulses().

◆ celt_encode_pulses()

static void celt_encode_pulses	(	OpusRangeCoder *	rc,
		int *	y,
		uint32_t	N,
		uint32_t	K
	)

inlinestatic

Definition at line 358 of file opus_pvq.c.

Referenced by celt_alg_quant().

◆ celt_decode_pulses()

static float celt_decode_pulses	(	OpusRangeCoder *	rc,
		int *	y,
		uint32_t	N,
		uint32_t	K
	)

inlinestatic

Definition at line 363 of file opus_pvq.c.

Referenced by celt_alg_unquant().

◆ celt_alg_quant()

static uint32_t celt_alg_quant	(	OpusRangeCoder *	rc,
		float *	X,
		uint32_t	N,
		uint32_t	K,
		enum CeltSpread	spread,
		uint32_t	blocks,
		float	gain,
		CeltPVQ *	pvq
	)

static

Definition at line 424 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_alg_unquant()

static uint32_t celt_alg_unquant	(	OpusRangeCoder *	rc,
		float *	X,
		uint32_t	N,
		uint32_t	K,
		enum CeltSpread	spread,
		uint32_t	blocks,
		float	gain,
		CeltPVQ *	pvq
	)

static

Decode pulse vector and combine the result with the pitch vector to produce the final normalised signal in the current band.

Definition at line 440 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_calc_theta()

static int celt_calc_theta	(	const float *	X,
		const float *	Y,
		int	coupling,
		int	N
	)

static

Definition at line 452 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_stereo_is_decouple()

static void celt_stereo_is_decouple	(	float *	X,
		float *	Y,
		float	e_l,
		float	e_r,
		int	N
	)

static

Definition at line 470 of file opus_pvq.c.

Referenced by quant_band_template().

◆ celt_stereo_ms_decouple()

static void celt_stereo_ms_decouple	(	float *	X,
		float *	Y,
		int	N
	)

static

Definition at line 480 of file opus_pvq.c.

Referenced by quant_band_template().

◆ quant_band_template()

static av_always_inline uint32_t quant_band_template	(	CeltPVQ *	pvq,
		CeltFrame *	f,
		OpusRangeCoder *	rc,
		const int	band,
		float *	X,
		float *	Y,
		int	N,
		int	b,
		uint32_t	blocks,
		float *	lowband,
		int	duration,
		float *	lowband_out,
		int	level,
		float	gain,
		float *	lowband_scratch,
		int	fill,
		int	quant
	)

static

Definition at line 490 of file opus_pvq.c.

Referenced by QUANT_FN().

◆ QUANT_FN() [1/2]

static QUANT_FN ( pvq_decode_band )

static

Definition at line 886 of file opus_pvq.c.

◆ QUANT_FN() [2/2]

static QUANT_FN ( pvq_encode_band )

static

Definition at line 896 of file opus_pvq.c.

◆ ff_celt_pvq_init()

int av_cold ff_celt_pvq_init	(	CeltPVQ **	pvq,
		int	encode
	)

Definition at line 906 of file opus_pvq.c.

Referenced by ff_celt_init(), and opus_encode_init().

◆ ff_celt_pvq_uninit()

void av_cold ff_celt_pvq_uninit ( CeltPVQ ** pvq )

Definition at line 926 of file opus_pvq.c.

Referenced by ff_celt_free(), and opus_encode_end().

Macros

Functions

Macro Definition Documentation

◆ ROUND_MUL16

◆ CELT_PVQ_U

◆ CELT_PVQ_V

Function Documentation

◆ celt_cos()

◆ celt_log2tan()

◆ celt_bits2pulses()

◆ celt_pulses2bits()

◆ celt_normalize_residual()

◆ celt_exp_rotation_impl()

◆ celt_exp_rotation()

◆ celt_extract_collapse_mask()

◆ celt_stereo_merge()

◆ celt_interleave_hadamard()

◆ celt_deinterleave_hadamard()

◆ celt_haar1()

◆ celt_compute_qn()

◆ celt_icwrsi()

◆ celt_cwrsi()

◆ celt_encode_pulses()

◆ celt_decode_pulses()

◆ celt_alg_quant()

◆ celt_alg_unquant()

◆ celt_calc_theta()

◆ celt_stereo_is_decouple()

◆ celt_stereo_ms_decouple()

◆ quant_band_template()

◆ QUANT_FN() [1/2]

◆ QUANT_FN() [2/2]

◆ ff_celt_pvq_init()

◆ ff_celt_pvq_uninit()