FFmpeg  1.2.12
Macros | Functions | Variables
Internal
Other | Common utility functions

Not exported functions, for internal usage only. More...

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

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)

Variables

const uint8_t ff_log2_tab [256]

Detailed Description

Not exported functions, for internal usage only.

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Not exported functions, for internal usage only

Macro Definition Documentation

#define av_log2   ff_log2

Definition at line 89 of file intmath.h.

Referenced by ac3_extract_exponents_c(), alac_entropy_coder(), arith2_get_number(), arith2_get_prob(), av_bprint_utf8(), av_ceil_log2_c(), av_normalize_sf(), compute_scale_factors(), decode_ac_coeffs(), decode_cdlms(), decode_channel(), decode_channel_residues(), decode_frame(), decode_init(), decode_lowdelay_slice(), decode_mclms(), decode_packet(), decode_q_branch(), decode_slice(), decode_spectrum_and_dequant(), decode_subframe(), decode_subframe_length(), decode_vlc_codeword(), decode_vol_header(), ebml_id_size(), encode_block(), encode_cblk(), encode_codeword(), encode_frame(), encode_init(), encode_packet(), encode_q_branch(), encode_q_branch2(), encode_slice(), encode_subband_c0run(), encode_vlc_codeword(), escape124_decode_frame(), estimate_vlc(), 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(), 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(), klv_ber_length(), klv_encode_ber_length(), lag_get_rac(), lag_read_prob_header(), long_term_filter(), mp_decode_init(), mpeg4_is_resync(), normalize_bits(), normalize_samples(), parse_setup_header(), parse_source_parameters(), print_stats(), probe_codec(), prores_encode_picture(), put_symbol(), put_symbol_inline(), qdm2_decode_init(), quantize_and_encode_band_cost_template(), read_header(), rice_decompress(), set_ue_golomb(), shorten_decode_frame(), softfloat_mul(), softfloat_reciprocal(), svq3_decode_slice_header(), swri_rematrix_init_x86(), 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
#define ff_log2   ff_log2_c

Definition at line 56 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 75 of file intmath.h.

Referenced by av_log2_16bit().

Function Documentation

static av_always_inline av_const int ff_log2_16bit_c ( unsigned int  v)
static

Definition at line 76 of file intmath.h.

static av_always_inline av_const int ff_log2_c ( unsigned int  v)
static

Definition at line 57 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(), put_xsub_rle(), and seq_decode_op1().