MotionEstContext Struct Reference

Motion estimation context. More...

#include <mpegvideo.h>


Data Fields

AVCodecContext * avctx
int skip
 set if ME is skipped for the current MB
int co_located_mv [4][2]
 mv from last P-frame for direct mode ME
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
uint8_t * best_mb
uint8_t * temp_mb [2]
uint8_t * temp
int best_bits
uint32_t * map
 map to avoid duplicate evaluations
uint32_t * score_map
 map to store the scores
unsigned map_generation
int pre_penalty_factor
int penalty_factor
 an estimate of the bits required to code a given mv value, e.g.
int sub_penalty_factor
int mb_penalty_factor
int flags
int sub_flags
int mb_flags
int pre_pass
 = 1 for the pre pass
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
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 150 of file mpegvideo.h.

Field Documentation

AVCodecContext* MotionEstContext::avctx

Definition at line 151 of file mpegvideo.h.

Referenced by check_bidir_mv(), check_input_motion(), direct_search(), encode_q_branch(), epzs_motion_search_internal(), ff_estimate_b_frame_motion(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_init_me(), ff_pre_estimate_p_frame_motion(), get_flags(), get_limits(), h263_mv4_search(), hpel_motion_search(), init_ref(), interlaced_search(), and qpel_motion_search().

int MotionEstContext::best_bits

Definition at line 159 of file mpegvideo.h.

uint8_t* MotionEstContext::best_mb

Definition at line 156 of file mpegvideo.h.

int MotionEstContext::co_located_mv[4][2]

mv from last P-frame for direct mode ME

Definition at line 153 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and direct_search().

uint8_t* MotionEstContext::current_mv_penalty

Definition at line 196 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 175 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 154 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and direct_search().

int MotionEstContext::flags

Definition at line 171 of file mpegvideo.h.

Referenced by check_input_motion(), 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 192 of file mpegvideo.h.

Referenced by cmp_direct_inline(), and ff_init_me().

op_pixels_func(* MotionEstContext::hpel_put)[4]

Definition at line 191 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 160 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 162 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 173 of file mpegvideo.h.

Referenced by ff_init_me(), and get_mb_score().

int MotionEstContext::mb_penalty_factor

Definition at line 170 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 188 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 187 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 195 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 164 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 174 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and pre_estimate_motion_thread().

int MotionEstContext::pre_penalty_factor

Definition at line 163 of file mpegvideo.h.

Referenced by epzs_motion_search_internal(), and ff_pre_estimate_p_frame_motion().

int MotionEstContext::pred_x

Definition at line 180 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 181 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 194 of file mpegvideo.h.

Referenced by cmp_direct_inline(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), hl_decode_mb(), hl_decode_mb_444(), MPV_decode_mb_internal(), vc1_decode_frame(), and wmv9_init().

qpel_mc_func(* MotionEstContext::qpel_put)[16]

Definition at line 193 of file mpegvideo.h.

Referenced by cmp_direct_inline(), cmp_inline(), decode_slice_header(), ff_h263_decode_frame(), ff_init_me(), hl_decode_mb(), hl_decode_mb_444(), MPV_decode_mb_internal(), vc1_decode_frame(), and wmv9_init().

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

Definition at line 183 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 189 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 161 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 155 of file mpegvideo.h.

Referenced by check_bidir_mv(), encode_init(), ff_estimate_p_frame_motion(), ff_snow_common_end(), free_duplicate_context(), 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 152 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 182 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 184 of file mpegvideo.h.

Referenced by check_bidir_mv(), check_input_motion(), 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 172 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)

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 169 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 158 of file mpegvideo.h.

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

uint8_t* MotionEstContext::temp_mb[2]

Definition at line 157 of file mpegvideo.h.

int MotionEstContext::uvstride

Definition at line 185 of file mpegvideo.h.

Referenced by check_input_motion(), cmp_inline(), encode_q_branch(), ff_estimate_p_frame_motion(), ff_init_me(), init_ref(), and interlaced_search().

int MotionEstContext::xmax

Definition at line 177 of file mpegvideo.h.

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

int MotionEstContext::xmin

Definition at line 176 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), cmp_direct_inline(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), get_limits(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::ymax

Definition at line 179 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), direct_search(), encode_q_branch(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), get_limits(), h263_mv4_search(), and interlaced_search().

int MotionEstContext::ymin

Definition at line 178 of file mpegvideo.h.

Referenced by bidir_refine(), clip_input_mv(), cmp_direct_inline(), direct_search(), encode_q_branch(), ff_pre_estimate_p_frame_motion(), get_limits(), and interlaced_search().

The documentation for this struct was generated from the following file:
Generated on Fri Oct 26 02:50:16 2012 for FFmpeg by  doxygen 1.5.8