#include "config.h"
#include "attributes.h"
#include "float_dsp.h"
#include "mem.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. More...

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

av_cold AVFloatDSPContext *	avpriv_float_dsp_alloc (int bit_exact)
	Allocate a float DSP context. More...

Function Documentation

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

static

Definition at line 27 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 35 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 43 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 51 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 59 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 78 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 86 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 96 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 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().

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 119 of file float_dsp.c.

Referenced by avpriv_float_dsp_alloc().

av_cold 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().

Functions

Function Documentation