sbcdsp_init_arm.c File Reference

SBC ARMv6 optimization for some basic "building bricks". More...

#include "libavutil/cpu.h"
#include "libavutil/arm/cpu.h"
#include "libavcodec/sbcdsp.h"

Go to the source code of this file.

Macros
#define	PERM(a, b, c, d)

Functions
void	ff_sbc_analyze_4_armv6 (const int16_t *in, int32_t *out, const int16_t *consts)
void	ff_sbc_analyze_8_armv6 (const int16_t *in, int32_t *out, const int16_t *consts)
void	ff_sbc_analyze_4_neon (const int16_t *in, int32_t *out, const int16_t *consts)
void	ff_sbc_analyze_8_neon (const int16_t *in, int32_t *out, const int16_t *consts)
void	ff_sbc_calc_scalefactors_neon (int32_t sb_sample_f[16][2][8], uint32_t scale_factor[2][8], int blocks, int channels, int subbands)
int	ff_sbc_calc_scalefactors_j_neon (int32_t sb_sample_f[16][2][8], uint32_t scale_factor[2][8], int blocks, int subbands)
int	ff_sbc_enc_process_input_4s_neon (int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels)
int	ff_sbc_enc_process_input_8s_neon (int position, const uint8_t *pcm, int16_t X[2][SBC_X_BUFFER_SIZE], int nsamples, int nchannels)
av_cold void	ff_sbcdsp_init_arm (SBCDSPContext *s)

Variables
int32_t	ff_sbcdsp_joint_bits_mask [8]
uint8_t	ff_sbc_input_perm_4 [2][8]
uint8_t	ff_sbc_input_perm_8 [4][8]

Detailed Description

SBC ARMv6 optimization for some basic "building bricks".

Definition in file sbcdsp_init_arm.c.

Macro Definition Documentation

PERM

#define PERM	(		a,
			b,
			c,
			d
	)

Value:

{        \
        (a * 2) + 0, (a * 2) + 1, \
        (b * 2) + 0, (b * 2) + 1, \
        (c * 2) + 0, (c * 2) + 1, \
        (d * 2) + 0, (d * 2) + 1  \
    }

Definition at line 66 of file sbcdsp_init_arm.c.

Function Documentation

ff_sbc_analyze_4_armv6()

void ff_sbc_analyze_4_armv6	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbc_analyze_8_armv6()

void ff_sbc_analyze_8_armv6	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbc_analyze_4_neon()

void ff_sbc_analyze_4_neon	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbc_analyze_8_neon()

void ff_sbc_analyze_8_neon	(	const int16_t *	in,
		int32_t *	out,
		const int16_t *	consts
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbc_calc_scalefactors_neon()

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

Referenced by ff_sbcdsp_init_arm().

ff_sbc_calc_scalefactors_j_neon()

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

Referenced by ff_sbcdsp_init_arm().

ff_sbc_enc_process_input_4s_neon()

int ff_sbc_enc_process_input_4s_neon	(	int	position,
		const uint8_t *	pcm,
		int16_t	X[2][SBC_X_BUFFER_SIZE],
		int	nsamples,
		int	nchannels
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbc_enc_process_input_8s_neon()

int ff_sbc_enc_process_input_8s_neon	(	int	position,
		const uint8_t *	pcm,
		int16_t	X[2][SBC_X_BUFFER_SIZE],
		int	nsamples,
		int	nchannels
	)

Referenced by ff_sbcdsp_init_arm().

ff_sbcdsp_init_arm()

av_cold void ff_sbcdsp_init_arm

(

SBCDSPContext *

s

)

Definition at line 86 of file sbcdsp_init_arm.c.

Referenced by ff_sbcdsp_init().

Variable Documentation

ff_sbcdsp_joint_bits_mask

int32_t ff_sbcdsp_joint_bits_mask[8]

Initial value:

= {
    8,   4,  2,  1, 128, 64, 32, 16
}

Definition at line 54 of file sbcdsp_init_arm.c.

ff_sbc_input_perm_4

uint8_t ff_sbc_input_perm_4[2][8]

Initial value:

= {
    PERM(7, 3, 6, 4),

}

Definition at line 74 of file sbcdsp_init_arm.c.

ff_sbc_input_perm_8

uint8_t ff_sbc_input_perm_8[4][8]

Initial value:

= {
    PERM(15, 7, 14,  8),
    PERM(13, 9, 12, 10),
    PERM(11, 3,  6,  0),

}

Definition at line 79 of file sbcdsp_init_arm.c.