FFmpeg: libavcodec/sbcdsp.c File Reference

FFmpeg

libavcodec

#include <stdint.h>
#include <limits.h>
#include <string.h>
#include "libavutil/common.h"
#include "libavutil/intmath.h"
#include "libavutil/intreadwrite.h"
#include "sbc.h"
#include "sbcdsp.h"
#include "sbcdsp_data.h"

Go to the source code of this file.

Functions
static av_always_inline void	sbc_analyze_simd (const int16_t in, int32_t out, const int16_t *consts, unsigned subbands)

static void	sbc_analyze_4_simd (const int16_t in, int32_t out, const int16_t *consts)

static void	sbc_analyze_8_simd (const int16_t in, int32_t out, const int16_t *consts)

static void	sbc_analyze_4b_4s_simd (SBCDSPContext s, int16_t x, int32_t *out, int out_stride)

static void	sbc_analyze_4b_8s_simd (SBCDSPContext s, int16_t x, int32_t *out, int out_stride)

static void	sbc_analyze_1b_8s_simd_even (SBCDSPContext s, int16_t x, int32_t *out, int out_stride)

static void	sbc_analyze_1b_8s_simd_odd (SBCDSPContext s, int16_t x, int32_t *out, int out_stride)

static int	sbc_enc_process_input_4s (int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels)

static int	sbc_enc_process_input_8s (int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels)

static void	sbc_calc_scalefactors (int32_t sb_sample_f[16][2][8], uint32_t scale_factor[2][8], int blocks, int channels, int subbands)

static int	sbc_calc_scalefactors_j (int32_t sb_sample_f[16][2][8], uint32_t scale_factor[2][8], int blocks, int subbands)

av_cold void	ff_sbcdsp_init (SBCDSPContext *s)

Detailed Description

SBC basic "building bricks"

Definition in file sbcdsp.c.

Function Documentation

◆ sbc_analyze_simd()

static av_always_inline void sbc_analyze_simd	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts,
		unsigned	subbands
	)

static

Definition at line 62 of file sbcdsp.c.

Referenced by sbc_analyze_4_simd(), and sbc_analyze_8_simd().

◆ sbc_analyze_4_simd()

static void sbc_analyze_4_simd	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

static

Definition at line 94 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_analyze_8_simd()

static void sbc_analyze_8_simd	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

static

Definition at line 100 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_analyze_4b_4s_simd()

static void sbc_analyze_4b_4s_simd	(	SBCDSPContext *	s,
		int16_t *	x,
		int32_t *	out,
		int	out_stride
	)

inlinestatic

Definition at line 106 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_analyze_4b_8s_simd()

static void sbc_analyze_4b_8s_simd	(	SBCDSPContext *	s,
		int16_t *	x,
		int32_t *	out,
		int	out_stride
	)

inlinestatic

Definition at line 119 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_analyze_1b_8s_simd_even()

static void sbc_analyze_1b_8s_simd_even	(	SBCDSPContext *	s,
		int16_t *	x,
		int32_t *	out,
		int	out_stride
	)

inlinestatic

Definition at line 144 of file sbcdsp.c.

Referenced by sbc_analyze_1b_8s_simd_odd().

◆ sbc_analyze_1b_8s_simd_odd()

static void sbc_analyze_1b_8s_simd_odd	(	SBCDSPContext *	s,
		int16_t *	x,
		int32_t *	out,
		int	out_stride
	)

inlinestatic

Definition at line 136 of file sbcdsp.c.

Referenced by ff_sbcdsp_init(), and sbc_analyze_1b_8s_simd_even().

◆ sbc_enc_process_input_4s()

static int sbc_enc_process_input_4s	(	int	position,
		const uint8_t *	pcm,
		int16_t	X[2][SBC_X_BUFFER_SIZE],
		int	nsamples,
		int	nchannels
	)

static

Definition at line 164 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_enc_process_input_8s()

static int sbc_enc_process_input_8s	(	int	position,
		const uint8_t *	pcm,
		int16_t	X[2][SBC_X_BUFFER_SIZE],
		int	nsamples,
		int	nchannels
	)

static

Definition at line 197 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_calc_scalefactors()

static void sbc_calc_scalefactors	(	int32_t	sb_sample_f[16][2][8],
		uint32_t	scale_factor[2][8],
		int	blocks,
		int	channels,
		int	subbands
	)

static

Definition at line 270 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ sbc_calc_scalefactors_j()

static int sbc_calc_scalefactors_j	(	int32_t	sb_sample_f[16][2][8],
		uint32_t	scale_factor[2][8],
		int	blocks,
		int	subbands
	)

static

Definition at line 288 of file sbcdsp.c.

Referenced by ff_sbcdsp_init().

◆ ff_sbcdsp_init()

av_cold void ff_sbcdsp_init ( SBCDSPContext * s )

Definition at line 364 of file sbcdsp.c.

Referenced by sbc_encode_init().