dcamath.h File Reference

#include "libavutil/common.h"
#include "libavutil/intmath.h"

Go to the source code of this file.

Functions
static int32_t	norm__ (int64_t a, int bits)
static int32_t	mul__ (int32_t a, int32_t b, int bits)
static int32_t	norm13 (int64_t a)
static int32_t	norm16 (int64_t a)
static int32_t	norm20 (int64_t a)
static int32_t	norm21 (int64_t a)
static int32_t	norm23 (int64_t a)
static int32_t	mul15 (int32_t a, int32_t b)
static int32_t	mul16 (int32_t a, int32_t b)
static int32_t	mul17 (int32_t a, int32_t b)
static int32_t	mul22 (int32_t a, int32_t b)
static int32_t	mul23 (int32_t a, int32_t b)
static int32_t	mul31 (int32_t a, int32_t b)
static int32_t	mul32 (int32_t a, int32_t b)
static int32_t	clip23 (int32_t a)

Function Documentation

static int32_t norm__ ( int64_t  a, int  bits  )

inlinestatic

Definition at line 27 of file dcamath.h.

Referenced by apply_filter(), calc_power(), ff_dca_core_dequantize(), ff_dcaadpcm_subband_analysis(), mul__(), norm13(), norm16(), norm20(), norm21(), and norm23().

static int32_t mul__ ( int32_t  a, int32_t  b, int  bits  )

inlinestatic

Definition at line 35 of file dcamath.h.

Referenced by mul15(), mul16(), mul17(), mul22(), mul23(), mul31(), and mul32().

static int32_t norm13 ( int64_t  a )

inlinestatic

Definition at line 40 of file dcamath.h.

Referenced by ff_dcaadpcm_predict().

static int32_t norm16 ( int64_t  a )

inlinestatic

Definition at line 41 of file dcamath.h.

Referenced by chs_filter_band_data().

static int32_t norm20 ( int64_t  a )

inlinestatic

Definition at line 42 of file dcamath.h.

Referenced by synth_filter_fixed_64().

static int32_t norm21 ( int64_t  a )

inlinestatic

Definition at line 43 of file dcamath.h.

Referenced by synth_filter_fixed().

static int32_t norm23 ( int64_t  a )

inlinestatic

Definition at line 44 of file dcamath.h.

Referenced by dct_a(), dct_b(), lfe_fir_fixed_c(), and lfe_x96_fixed_c().

static int32_t mul15 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 46 of file dcamath.h.

Referenced by dmix_add_c(), dmix_scale_c(), dmix_sub_c(), and prescale_down_mix().

static int32_t mul16 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 47 of file dcamath.h.

Referenced by chs_filter_band_data(), combine_residual_frame(), dmix_scale_inv_c(), filter_frame_fixed(), parse_dmix_coeffs(), and prescale_down_mix().

static int32_t mul17 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 48 of file dcamath.h.

Referenced by decode_joint_c().

static int32_t mul22 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 49 of file dcamath.h.

Referenced by filter0().

static int32_t mul23 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 50 of file dcamath.h.

Referenced by dmix_sub_xch_c(), filter1(), mod64_a(), mod64_b(), mod64_c(), mod_a(), mod_b(), mod_c(), and parse_subframe_audio().

static int32_t mul31 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 51 of file dcamath.h.

Referenced by parse_x96_subframe_audio().

static int32_t mul32 ( int32_t  a, int32_t  b  )

inlinestatic

Definition at line 52 of file dcamath.h.

Referenced by calc_one_scale(), calc_power(), init_quantization_noise(), lfe_downsample(), quantize_value(), and subband_transform().

static int32_t clip23 ( int32_t  a )

inlinestatic

Definition at line 54 of file dcamath.h.

Referenced by chs_filter_band_data(), clp_v(), combine_residual_frame(), decode_hf_c(), decode_joint_c(), ff_dca_core_dequantize(), ff_dca_xll_filter_frame(), ff_dcaadpcm_predict(), filter_frame_fixed(), imdct_half_32(), imdct_half_64(), inverse_adpcm(), lfe_fir_fixed_c(), lfe_x96_fixed_c(), parse_subframe_audio(), parse_x96_subframe_audio(), synth_filter_fixed(), and synth_filter_fixed_64().