FFmpeg: libavutil/float_dsp.c File Reference

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Functions

float_dsp.c File Reference

#include "config.h"
#include "attributes.h"
#include "float_dsp.h"
#include "mem.h"

Go to the source code of this file.

Functions

static void vector_fmul_c (float *dst, const float *src0, const float *src1, int len)

static void vector_dmul_c (double *dst, const double *src0, const double *src1, int len)

static void vector_fmac_scalar_c (float *dst, const float *src, float mul, int len)

static void vector_dmac_scalar_c (double *dst, const double *src, double mul, int len)

static void vector_fmul_scalar_c (float *dst, const float *src, float mul, int len)

static void vector_dmul_scalar_c (double *dst, const double *src, double mul, int len)

static void vector_fmul_window_c (float *dst, const float *src0, const float *src1, const float *win, int len)

static void vector_fmul_add_c (float *dst, const float *src0, const float *src1, const float *src2, int len)

static void vector_fmul_reverse_c (float *dst, const float *src0, const float *src1, int len)

static void butterflies_float_c (float *restrict v1, float *restrict v2, int len)

double ff_scalarproduct_double_c (const double *v1, const double *v2, size_t len)

Return the scalar product of two vectors of doubles. More...

av_cold AVFloatDSPContext * avpriv_float_dsp_alloc (int bit_exact)

Allocate a float DSP context. More...

Function Documentation

◆ vector_fmul_c()

static void vector_fmul_c ( float * dst,

const float * src0,

const float * src1,

int len

)

static

Definition at line 27 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_dmul_c()

static void vector_dmul_c ( double * dst,

const double * src0,

const double * src1,

int len

)

static

Definition at line 35 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_fmac_scalar_c()

static void vector_fmac_scalar_c ( float * dst,

const float * src,

float mul,

int len

)

static

Definition at line 43 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_dmac_scalar_c()

static void vector_dmac_scalar_c ( double * dst,

const double * src,

double mul,

int len

)

static

Definition at line 51 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_fmul_scalar_c()

static void vector_fmul_scalar_c ( float * dst,

const float * src,

float mul,

int len

)

static

Definition at line 59 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_dmul_scalar_c()

static void vector_dmul_scalar_c ( double * dst,

const double * src,

double mul,

int len

)

static

Definition at line 67 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_fmul_window_c()

static void vector_fmul_window_c ( float * dst,

const float * src0,

const float * src1,

const float * win,

int len

)

static

Definition at line 75 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_fmul_add_c()

static void vector_fmul_add_c ( float * dst,

const float * src0,

const float * src1,

const float * src2,

int len

)

static

Definition at line 94 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ vector_fmul_reverse_c()

static void vector_fmul_reverse_c ( float * dst,

const float * src0,

const float * src1,

int len

)

static

Definition at line 102 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ butterflies_float_c()

static void butterflies_float_c ( float *restrict v1,

float *restrict v2,

int len

)

static

Definition at line 112 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_scalarproduct_double_c()

double ff_scalarproduct_double_c ( const double * v1,

const double * v2,

size_t len

)

Return the scalar product of two vectors of doubles.

Parameters: v1 first input vector

v2 first input vector

len number of elements

Returns: inner product of the vectors

Definition at line 124 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc(), and evaluate_lls().

◆ avpriv_float_dsp_alloc()

av_cold AVFloatDSPContext* avpriv_float_dsp_alloc ( int strict )

Allocate a float DSP context.

Parameters: strict setting to non-zero avoids using functions which may not be IEEE-754 compliant

Definition at line 135 of file float_dsp.c.

Referenced by ac3_decode_init(), atrac1_decode_init(), atrac3_decode_init(), atrac3p_decode_init(), atrac9_decode_init(), checkasm_check_float_dsp(), config_output(), decode_ctx_init(), decode_init(), dolby_e_init(), dsp_init(), encode_init(), ff_aac_decode_init_float(), ff_ac3_float_encode_init(), ff_celt_init(), ff_dca_core_init(), ff_dca_lbr_init(), ff_opus_psy_init(), ff_twinvq_decode_init(), g728_decode_init(), imc_decode_init(), init(), mp3lame_encode_init(), on2avc_decode_init(), opus_decode_init(), opus_encode_init(), pcm_scale_decode_init(), ra288_decode_init(), siren_init(), speex_decode_init(), and vorbis_parse_id_hdr().

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