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

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)
int	av_ctz (int v)
	Trailing zero bit count. More...

Variables
const uint8_t	ff_log2_tab [256]

Macro Definition Documentation

#define ff_log2   ff_log2_c

Definition at line 57 of file intmath.h.

Referenced by av_log2(), and ff_acelp_decode_gain_code().

#define ff_log2_16bit   ff_log2_16bit_c

Definition at line 86 of file intmath.h.

Referenced by av_log2_16bit().

#define av_log2   ff_log2

Definition at line 100 of file intmath.h.

Referenced by ac3_extract_exponents_c(), alac_entropy_coder(), arith2_get_number(), arith2_get_prob(), audio_open(), av_bprint_utf8(), av_ceil_log2_c(), av_normalize_sf(), av_q2intfloat(), cabac_tableinit(), compute_scale_factors(), D(), decode_ac_coeffs(), decode_array_0000(), decode_cdlms(), decode_channel(), decode_channel_residues(), decode_frame(), decode_init(), decode_lowdelay_slice(), decode_mclms(), decode_q_branch(), decode_slice(), decode_spectrum_and_dequant(), decode_subframe(), decode_subframe_length(), decode_subframe_lpc(), decode_tones_frequency(), decode_uncompressed(), decode_vlc_codeword(), decode_vol_header(), ebml_id_size(), encode_cblk(), encode_codeword(), encode_frame(), encode_init(), encode_packet(), encode_q_branch(), encode_q_branch2(), encode_residual_ch(), encode_slice(), encode_subband_c0run(), encode_vlc_codeword(), escape124_decode_frame(), estimate_vlc(), ff_celt_decode_frame(), ff_eac3_parse_header(), ff_g729_adaptive_gain_control(), ff_jpegls_init_state(), ff_log2_q15(), ff_mpeg1_encode_init(), ff_mpeg4_decode_video_packet_header(), ff_mpeg4_encode_video_packet_header(), ff_mpv_encode_init(), ff_wma_init(), find_optimal_param(), find_slice_quant(), fps_umf2avr(), gainc_loc_mode0(), generate_noise(), get_block_bits(), get_level_prefix(), get_max_p_order(), get_rac_count(), get_se_golomb(), get_tail(), get_tilt_comp(), get_ue_golomb(), get_ue_golomb_long(), get_ur_golomb(), get_ur_golomb_jpegls(), headroom(), imdct_and_window(), init_cavlc_level_tab(), init_cook_mlt(), init_lengths(), init_mdct_win(), init_mv_penalty_and_fcode(), init_quantization(), initFilter(), is_ebml_id_valid(), jpeg2000_decode_packet(), klv_ber_length(), klv_encode_ber_length(), lag_read_prob_header(), long_term_filter(), mp_decode_init(), mpeg4_is_resync(), normalize_bits(), normalize_samples(), opus_rc_tell(), opus_rc_tell_frac(), parse_setup_header(), parse_source_parameters(), pnm_decode_frame(), print_stats(), probe_codec(), prores_encode_picture(), put_symbol(), put_symbol_inline(), qdm2_decode_init(), quantize_and_encode_band_cost_template(), read_header(), reap_filters(), rice_decompress(), rv20_decode_picture_header(), rv30_parse_slice_header(), set_ue_golomb(), shorten_decode_frame(), softfloat_mul(), softfloat_reciprocal(), svq3_decode_slice_header(), unpack_coeffs(), very_broken_op(), vpx_init(), wma_decode_block(), wmapro_window(), wp_log2(), write_index(), wv_get_value_float(), and yae_reset().

#define av_log2_16bit   ff_log2_16bit

Definition at line 101 of file intmath.h.

Function Documentation

static av_always_inline av_const int ff_log2_c ( unsigned int  v )

static

Definition at line 59 of file intmath.h.

static av_always_inline av_const int ff_log2_16bit_c ( unsigned int  v )

static

Definition at line 87 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().