Motion estimation context. More...

#include <mpegvideo.h>

Collaboration diagram for MotionEstContext:

Data Fields
AVCodecContext *	avctx

int	skip
	set if ME is skipped for the current MB More...

int	co_located_mv [4][2]
	mv from last P-frame for direct mode ME More...

int	direct_basis_mv [4][2]

uint8_t *	scratchpad
	data area for the ME algo, so that the ME does not need to malloc/free More...

uint8_t *	best_mb

uint8_t *	temp_mb [2]

uint8_t *	temp

int	best_bits

uint32_t *	map
	map to avoid duplicate evaluations More...

uint32_t *	score_map
	map to store the scores More...

unsigned	map_generation

int	pre_penalty_factor

int	penalty_factor
	an estimate of the bits required to code a given mv value, e.g. More...

int	sub_penalty_factor

int	mb_penalty_factor

int	flags

int	sub_flags

int	mb_flags

int	pre_pass
	= 1 for the pre pass More...

int	dia_size

int	xmin

int	xmax

int	ymin

int	ymax

int	pred_x

int	pred_y

uint8_t *	src [4][4]

uint8_t *	ref [4][4]

int	stride

int	uvstride

int	mc_mb_var_sum_temp

int	mb_var_sum_temp

int	scene_change_score

op_pixels_func(*	hpel_put )[4]

op_pixels_func(*	hpel_avg )[4]

qpel_mc_func(*	qpel_put )[16]

qpel_mc_func(*	qpel_avg )[16]

uint8_t(*	mv_penalty )[MAX_MV *2+1]
	amount of bits needed to encode a MV More...

uint8_t *	current_mv_penalty

int(*	sub_motion_search )(struct MpegEncContext s, int mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)

Detailed Description

Motion estimation context.

Definition at line 185 of file mpegvideo.h.

Field Documentation

AVCodecContext* MotionEstContext::avctx

int MotionEstContext::best_bits

Definition at line 194 of file mpegvideo.h.

uint8_t* MotionEstContext::best_mb

Definition at line 191 of file mpegvideo.h.

int MotionEstContext::co_located_mv[4][2]

mv from last P-frame for direct mode ME

Definition at line 188 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and direct_search().

uint8_t* MotionEstContext::current_mv_penalty

Definition at line 231 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::dia_size

Definition at line 210 of file mpegvideo.h.

Referenced by diamond_search(), estimate_motion_thread(), full_search(), l2s_dia_search(), pre_estimate_motion_thread(), qpel_motion_search(), sab_diamond_search(), svq1_encode_plane(), umh_search(), and var_diamond_search().

int MotionEstContext::direct_basis_mv[4][2]

Definition at line 189 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and direct_search().

int MotionEstContext::flags

Definition at line 206 of file mpegvideo.h.

Referenced by direct_search(), epzs_motion_search2(), epzs_motion_search4(), epzs_motion_search_internal(), ff_epzs_motion_search(), ff_init_me(), get_limits(), and init_interlaced_ref().

op_pixels_func(* MotionEstContext::hpel_avg)[4]

Definition at line 227 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and ff_init_me().

op_pixels_func(* MotionEstContext::hpel_put)[4]

Definition at line 226 of file mpegvideo.h.

Referenced by cmp_direct_inline(), cmp_inline(), and ff_init_me().

uint32_t* MotionEstContext::map

map to avoid duplicate evaluations

Definition at line 195 of file mpegvideo.h.

Referenced by encode_init(), ff_snow_common_end(), free_duplicate_context(), hpel_motion_search(), init_duplicate_context(), qpel_motion_search(), svq1_encode_end(), svq1_encode_init(), and update_map_generation().

unsigned MotionEstContext::map_generation

Definition at line 197 of file mpegvideo.h.

Referenced by full_search(), funny_diamond_search(), hex_search(), hpel_motion_search(), l2s_dia_search(), qpel_motion_search(), sab_diamond_search(), small_diamond_search(), umh_search(), update_map_generation(), and var_diamond_search().

int MotionEstContext::mb_flags

Definition at line 208 of file mpegvideo.h.

Referenced by ff_init_me(), and get_mb_score().

int MotionEstContext::mb_penalty_factor

Definition at line 205 of file mpegvideo.h.

Referenced by check_bidir_mv(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), get_mb_score(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::mb_var_sum_temp

Definition at line 223 of file mpegvideo.h.

Referenced by encode_picture(), ff_estimate_p_frame_motion(), and mb_var_thread().

int MotionEstContext::mc_mb_var_sum_temp

Definition at line 222 of file mpegvideo.h.

Referenced by encode_picture(), ff_estimate_b_frame_motion(), and ff_estimate_p_frame_motion().

uint8_t(* MotionEstContext::mv_penalty)[MAX_MV *2+1]

amount of bits needed to encode a MV

Definition at line 230 of file mpegvideo.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_h263_encode_init(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), and MPV_encode_defaults().

int MotionEstContext::penalty_factor

an estimate of the bits required to code a given mv value, e.g.

(1,0) takes more bits than (0,0). We have to estimate whether any reduction in residual is worth the extra bits.

Definition at line 199 of file mpegvideo.h.

Referenced by encode_q_branch(), epzs_motion_search2(), epzs_motion_search4(), epzs_motion_search_internal(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), and hpel_motion_search().

int MotionEstContext::pre_pass

= 1 for the pre pass

Definition at line 209 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and pre_estimate_motion_thread().

int MotionEstContext::pre_penalty_factor

Definition at line 198 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and ff_pre_estimate_p_frame_motion().

int MotionEstContext::pred_x

Definition at line 215 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::pred_y

Definition at line 216 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_search().

qpel_mc_func(* MotionEstContext::qpel_avg)[16]

Definition at line 229 of file mpegvideo.h.

Referenced by cmp_direct_inline(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), MPV_decode_mb_internal(), vc1_decode_frame(), and wmv9_init().

qpel_mc_func(* MotionEstContext::qpel_put)[16]

Definition at line 228 of file mpegvideo.h.

Referenced by cmp_direct_inline(), cmp_inline(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), MPV_decode_mb_internal(), vc1_decode_frame(), and wmv9_init().

uint8_t* MotionEstContext::ref[4][4]

Definition at line 218 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp_direct_inline(), cmp_inline(), ff_estimate_p_frame_motion(), h263_mv4_search(), init_interlaced_ref(), init_mv4_ref(), init_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::scene_change_score

Definition at line 224 of file mpegvideo.h.

Referenced by encode_frame(), encode_picture(), encode_q_branch(), ff_estimate_p_frame_motion(), and svq1_encode_plane().

uint32_t* MotionEstContext::score_map

map to store the scores

Definition at line 196 of file mpegvideo.h.

Referenced by encode_init(), ff_snow_common_end(), free_duplicate_context(), init_duplicate_context(), svq1_encode_end(), and svq1_encode_init().

uint8_t* MotionEstContext::scratchpad

data area for the ME algo, so that the ME does not need to malloc/free

Definition at line 190 of file mpegvideo.h.

Referenced by alloc_scratch_buffers(), check_bidir_mv(), clone_tables(), encode_init(), ff_estimate_p_frame_motion(), ff_mpv_frame_size_alloc(), ff_snow_common_end(), free_duplicate_context(), free_tables(), h263_mv4_search(), init_duplicate_context(), interlaced_search(), svq1_encode_end(), and svq1_encode_init().

int MotionEstContext::skip

set if ME is skipped for the current MB

Definition at line 187 of file mpegvideo.h.

Referenced by direct_search(), encode_q_branch(), epzs_motion_search_internal(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

uint8_t* MotionEstContext::src[4][4]

Definition at line 217 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp_direct_inline(), cmp_inline(), ff_estimate_p_frame_motion(), init_interlaced_ref(), init_mv4_ref(), init_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::stride

Definition at line 219 of file mpegvideo.h.

Referenced by check_bidir_mv(), cmp_direct_inline(), cmp_inline(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), init_mv4_ref(), interlaced_search(), and sad_hpel_motion_search().

int MotionEstContext::sub_flags

Definition at line 207 of file mpegvideo.h.

Referenced by bidir_refine(), direct_search(), ff_init_me(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

int(* MotionEstContext::sub_motion_search) (struct MpegEncContext *s, int *mx_ptr, int *my_ptr, int dmin, int src_index, int ref_index, int size, int h)

Definition at line 232 of file mpegvideo.h.

Referenced by encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::sub_penalty_factor

Definition at line 204 of file mpegvideo.h.

Referenced by encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), hpel_motion_search(), qpel_motion_search(), and sad_hpel_motion_search().

uint8_t* MotionEstContext::temp

Definition at line 193 of file mpegvideo.h.

Referenced by alloc_scratch_buffers(), cmp_direct_inline(), cmp_inline(), encode_init(), ff_mpv_frame_size_alloc(), ff_snow_common_end(), free_duplicate_context(), init_duplicate_context(), and svq1_encode_init().