Internal
[Other]

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

Defines
#define	FASTDIV(a, b)   ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
Functions
static av_const unsigned int	ff_sqrt (unsigned int a)
Variables
const uint32_t	ff_inverse [257]
const uint8_t	ff_sqrt_tab [256]

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Detailed Description

Not exported functions, for internal usage only.

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Define Documentation

#define FASTDIV	(	a,
		b		)	((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))

Definition at line 53 of file intmath.h.

Referenced by decode_blockcode(), ff_mpeg4_pred_dc(), ff_msmpeg4_pred_dc(), ff_sqrt(), find_optimal_param(), get_dc(), lag_get_rac(), mpeg4_decode_block(), unpack_bitstream(), and vorbis_residue_decode_internal().

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Function Documentation

static av_const unsigned int ff_sqrt

(

unsigned int

a

)

[inline, static]

Definition at line 60 of file intmath.h.

Referenced by calc_cpl_coord(), dpcm_predict(), draw_arrow(), encode_q_branch(), ff_estimate_p_frame_motion(), ff_t_sqrt(), get_visual_weight(), and square_root().

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Variable Documentation

const uint32_t ff_inverse[257]

Definition at line 26 of file inverse.c.

Referenced by dct_quantize_TMPL(), ff_msmpeg4_pred_dc(), and vorbis_residue_decode_internal().

const uint8_t ff_sqrt_tab[256]

Definition at line 32 of file mathematics.c.

Referenced by ff_sqrt().