FFmpeg: libavutil/float_dsp.h File Reference

FFmpeg

libavutil

Data Structures | Functions

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_twinvq_decode_init(), ff_wma_init(), imc_decode_init(), init(), mp3lame_encode_init(), ra288_decode_init(), volume_init(), and vorbis_decode_init().

void ff_float_dsp_init_arm ( AVFloatDSPContext * fdsp )

Definition at line 26 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 28 of file float_dsp_init.c.

Referenced by avpriv_float_dsp_init().

void ff_float_dsp_init_x86 ( AVFloatDSPContext * fdsp )

Definition at line 125 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().

Generated on Sat Jan 25 2014 19:52:22 for FFmpeg by doxygen 1.8.2