FFmpeg: libavutil/float_dsp.h File Reference

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Data Structures | Functions

float_dsp.h File Reference

#include <stddef.h>

Go to the source code of this file.

Data Structures

struct AVFloatDSPContext

Functions

float avpriv_scalarproduct_float_c (const float *v1, const float *v2, int len)

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

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

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

void ff_float_dsp_init_aarch64 (AVFloatDSPContext *fdsp)

void ff_float_dsp_init_arm (AVFloatDSPContext *fdsp)

void ff_float_dsp_init_ppc (AVFloatDSPContext *fdsp, int strict)

void ff_float_dsp_init_riscv (AVFloatDSPContext *fdsp)

void ff_float_dsp_init_x86 (AVFloatDSPContext *fdsp)

void ff_float_dsp_init_mips (AVFloatDSPContext *fdsp)

AVFloatDSPContext * avpriv_float_dsp_alloc (int strict)

Allocate a float DSP context. More...

Function Documentation

◆ avpriv_scalarproduct_float_c()

float avpriv_scalarproduct_float_c ( const float * v1,

const float * v2,

int len

)

Return the scalar product of two vectors of floats.

Parameters: v1 first input vector

v2 first input vector

len number of elements

Returns: sum of elementwise products

Definition at line 124 of file float_dsp.c.

Referenced by acelp_decode_gain_codef(), apply_gain_ctrl(), avpriv_float_dsp_alloc(), calc_input_response(), convolve(), decode(), decode_frame(), ff_adaptive_gain_control(), ff_amr_set_fixed_gain(), ff_scale_vector_to_given_sum_of_squares(), kalman_smoothen(), postfilter(), synth_block_fcb_acb(), and tilt_factor().

◆ 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 135 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc(), and evaluate_lls().

◆ ff_float_dsp_init_aarch64()

void ff_float_dsp_init_aarch64 ( AVFloatDSPContext * fdsp )

Definition at line 54 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_float_dsp_init_arm()

void ff_float_dsp_init_arm ( AVFloatDSPContext * fdsp )

Definition at line 24 of file float_dsp_init_arm.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_float_dsp_init_ppc()

void ff_float_dsp_init_ppc ( AVFloatDSPContext * fdsp,

int strict

)

Definition at line 29 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_float_dsp_init_riscv()

void ff_float_dsp_init_riscv ( AVFloatDSPContext * fdsp )

Definition at line 52 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_float_dsp_init_x86()

void ff_float_dsp_init_x86 ( AVFloatDSPContext * fdsp )

Definition at line 81 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_alloc().

◆ ff_float_dsp_init_mips()

void ff_float_dsp_init_mips ( AVFloatDSPContext * fdsp )

Definition at line 346 of file float_dsp_mips.c.

Referenced by avpriv_float_dsp_alloc().

◆ avpriv_float_dsp_alloc()

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 146 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_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(), imc_decode_init(), init(), mp3lame_encode_init(), on2avc_decode_init(), opus_decode_init(), opus_encode_init(), pcm_decode_init(), ra288_decode_init(), siren_init(), speex_decode_init(), and vorbis_parse_id_hdr().

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