#include "config.h"
#include "libavutil/attributes.h"
#include "float_dsp.h"

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

static void	vector_fmac_scalar_c (float dst, const float src, float 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 av_restrict v1, float av_restrict v2, int len)

float	avpriv_scalarproduct_float_c (const float v1, const float v2, int len)
	Return the scalar product of two vectors.

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

Function Documentation

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

static

Definition at line 26 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 34 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 42 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 50 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 58 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 77 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 85 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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

static

Definition at line 95 of file float_dsp.c.

Referenced by avpriv_float_dsp_init().

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().

av_cold 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().

Functions

Function Documentation