float_dsp.h File Reference

#include <stddef.h>

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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().