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.
void	avpriv_float_dsp_init (AVFloatDSPContext *fdsp, int strict)
	Initialize a float DSP context.
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)

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 107 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 118 of file float_dsp.c.

Referenced by aac_decode_init(), ac3_decode_init(), atrac1_decode_init(), atrac3_decode_init(), dca_decode_init(), decode_init(), dsp_init(), encode_init(), ff_ac3_encode_init(), ff_wma_init(), imc_decode_init(), init(), mp3lame_encode_init(), ra288_decode_init(), twin_decode_init(), volume_init(), and vorbis_decode_init().

void ff_float_dsp_init_arm

(

AVFloatDSPContext *

fdsp

)

Definition at line 25 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 26 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_init().

void ff_float_dsp_init_x86

(

AVFloatDSPContext *

fdsp

)

Definition at line 122 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_init().

void ff_float_dsp_init_mips

(

AVFloatDSPContext *

fdsp

)

Definition at line 375 of file float_dsp_mips.c.

Referenced by avpriv_float_dsp_init().