intmath.h File Reference

#include <stdint.h>
#include "config.h"
#include "attributes.h"

Go to the source code of this file.

Macros
#define	ff_log2   ff_log2_c
#define	ff_log2_16bit   ff_log2_16bit_c
#define	av_log2   ff_log2
#define	av_log2_16bit   ff_log2_16bit
#define	ff_ctz   ff_ctz_c
#define	ff_ctzll   ff_ctzll_c
#define	ff_clz   ff_clz_c
#define	av_parity   __builtin_parity

Functions
static av_always_inline av_const int	ff_log2_c (unsigned int v)
static av_always_inline av_const int	ff_log2_16bit_c (unsigned int v)
static av_always_inline av_const int	ff_ctz_c (int v)
	Trailing zero bit count. More...
static av_always_inline av_const int	ff_ctzll_c (long long v)
static av_always_inline av_const unsigned	ff_clz_c (unsigned x)

Variables
const uint8_t	ff_log2_tab [256]

Macro Definition Documentation

#define ff_log2   ff_log2_c

Definition at line 50 of file intmath.h.

Referenced by av_log2(), count_vc2_ue_uint(), ff_acelp_decode_gain_code(), get_vc2_ue_uint(), opus_rc_enc_update(), and put_vc2_ue_uint().

#define ff_log2_16bit   ff_log2_16bit_c

Definition at line 69 of file intmath.h.

Referenced by av_log2_16bit().

#define av_log2   ff_log2

Definition at line 83 of file intmath.h.

#define av_log2_16bit   ff_log2_16bit

Definition at line 84 of file intmath.h.

Function Documentation

static av_always_inline av_const int ff_log2_c ( unsigned int  v )

static

Definition at line 51 of file intmath.h.

static av_always_inline av_const int ff_log2_16bit_c ( unsigned int  v )

static

Definition at line 70 of file intmath.h.

Variable Documentation

const uint8_t ff_log2_tab[256]

Definition at line 23 of file log2_tab.c.

Referenced by ebml_read_num(), ff_log2_16bit_c(), ff_log2_c(), ff_ps_read_data(), put_xsub_rle(), and seq_decode_op1().