float_dsp.h File Reference

#include "config.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. More...
void	avpriv_float_dsp_init (AVFloatDSPContext *fdsp, int strict)
	Initialize a float DSP context. 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_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

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

Return the scalar product of two vectors.

Parameters

v1	first input vector
v2	first input vector
len	number of elements

Returns

sum of elementwise products

Definition at line 108 of file float_dsp.c.

Referenced by acelp_decode_gain_codef(), apply_gain_ctrl(), avpriv_float_dsp_init(), 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().

void avpriv_float_dsp_init	(	AVFloatDSPContext *	fdsp,
		int	strict
	)

Initialize a float DSP context.

Parameters

fdsp	float DSP context
strict	setting to non-zero avoids using functions which may not be IEEE-754 compliant

Definition at line 119 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

void ff_float_dsp_init_aarch64

(

AVFloatDSPContext *

fdsp

)

Definition at line 54 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_init().

void ff_float_dsp_init_arm

(

AVFloatDSPContext *

fdsp

)

Definition at line 24 of file float_dsp_init_arm.c.

Referenced by avpriv_float_dsp_init().

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_init().

void ff_float_dsp_init_x86

(

AVFloatDSPContext *

fdsp

)

Definition at line 68 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_init().

void ff_float_dsp_init_mips

(

AVFloatDSPContext *

fdsp

)

Definition at line 344 of file float_dsp_mips.c.

Referenced by avpriv_float_dsp_init().

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 143 of file float_dsp.c.

Referenced by aac_decode_init(), ac3_decode_init(), atrac1_decode_init(), atrac3_decode_init(), atrac3p_decode_init(), dca_decode_init(), decode_init(), dsp_init(), encode_init(), ff_ac3_float_encode_init(), ff_celt_init(), ff_twinvq_decode_init(), imc_decode_init(), init(), mp3lame_encode_init(), on2avc_decode_init(), opus_decode_init(), ra288_decode_init(), and vorbis_parse_id_hdr().