FFmpeg: MotionEstContext Struct Reference

FFmpeg

MotionEstContext Struct Reference

Motion estimation context. More...

#include <motion_est.h>

Data Fields

AVCodecContext * avctx

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]

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

= 1 for the pre pass More...

uint8_t * src [4][4]

uint8_t * ref [4][4]

int64_t mc_mb_var_sum_temp

int64_t 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_DMV *2+1]

bit amount 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 47 of file motion_est.h.

Field Documentation

AVCodecContext* MotionEstContext::avctx

Definition at line 48 of file motion_est.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), epzs_motion_search_internal(), estimate_motion_b(), ff_estimate_b_frame_motion(), 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::skip

set if ME is skipped for the current MB

Definition at line 49 of file motion_est.h.

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

int MotionEstContext::co_located_mv[4][2]

mv from last P-frame for direct mode ME

Definition at line 50 of file motion_est.h.

Referenced by cmp_direct_inline(), and direct_search().

int MotionEstContext::direct_basis_mv[4][2]

Definition at line 51 of file motion_est.h.

Referenced by cmp_direct_inline(), and direct_search().

uint8_t* MotionEstContext::scratchpad

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

Definition at line 52 of file motion_est.h.

Referenced by check_bidir_mv(), clear_context(), encode_init(), ff_estimate_p_frame_motion(), ff_mpeg_framesize_alloc(), ff_snow_common_end(), free_duplicate_context(), h263_mv4_search(), init_duplicate_context(), interlaced_search(), svq1_encode_end(), and svq1_encode_init().

uint8_t* MotionEstContext::best_mb

Definition at line 54 of file motion_est.h.

uint8_t* MotionEstContext::temp_mb[2]

Definition at line 55 of file motion_est.h.

uint8_t* MotionEstContext::temp

Definition at line 56 of file motion_est.h.

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

int MotionEstContext::best_bits

Definition at line 57 of file motion_est.h.

uint32_t* MotionEstContext::map

map to avoid duplicate evaluations

Definition at line 58 of file motion_est.h.

Referenced by clear_context(), 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().

uint32_t* MotionEstContext::score_map

map to store the scores

Definition at line 59 of file motion_est.h.

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

unsigned MotionEstContext::map_generation

Definition at line 60 of file motion_est.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::pre_penalty_factor

Definition at line 61 of file motion_est.h.

Referenced by epzs_motion_search_internal(), and ff_pre_estimate_p_frame_motion().

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 62 of file motion_est.h.

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

int MotionEstContext::sub_penalty_factor

Definition at line 67 of file motion_est.h.

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

int MotionEstContext::mb_penalty_factor

Definition at line 68 of file motion_est.h.

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

int MotionEstContext::flags

Definition at line 69 of file motion_est.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().

int MotionEstContext::sub_flags

Definition at line 70 of file motion_est.h.

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

int MotionEstContext::mb_flags

Definition at line 71 of file motion_est.h.

Referenced by ff_init_me(), and get_mb_score().

int MotionEstContext::pre_pass

= 1 for the pre pass

Definition at line 72 of file motion_est.h.

Referenced by epzs_motion_search_internal(), and pre_estimate_motion_thread().

int MotionEstContext::dia_size

Definition at line 73 of file motion_est.h.

Referenced by diamond_search(), encode_frame(), 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::xmin

Definition at line 74 of file motion_est.h.

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

int MotionEstContext::xmax

Definition at line 75 of file motion_est.h.

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

int MotionEstContext::ymin

Definition at line 76 of file motion_est.h.

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

int MotionEstContext::ymax

Definition at line 77 of file motion_est.h.

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

int MotionEstContext::pred_x

Definition at line 78 of file motion_est.h.

Referenced by direct_search(), encode_q_branch(), 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 79 of file motion_est.h.

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

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

Definition at line 80 of file motion_est.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().

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

Definition at line 81 of file motion_est.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::stride

Definition at line 82 of file motion_est.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::uvstride

Definition at line 83 of file motion_est.h.

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

int64_t MotionEstContext::mc_mb_var_sum_temp

Definition at line 85 of file motion_est.h.

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

int64_t MotionEstContext::mb_var_sum_temp

Definition at line 86 of file motion_est.h.

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

int MotionEstContext::scene_change_score

Definition at line 87 of file motion_est.h.

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

op_pixels_func(* MotionEstContext::hpel_put)[4]

Definition at line 89 of file motion_est.h.

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

op_pixels_func(* MotionEstContext::hpel_avg)[4]

Definition at line 90 of file motion_est.h.

Referenced by cmp_direct_inline(), and ff_init_me().

qpel_mc_func(* MotionEstContext::qpel_put)[16]

Definition at line 91 of file motion_est.h.

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

qpel_mc_func(* MotionEstContext::qpel_avg)[16]

Definition at line 92 of file motion_est.h.

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

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

bit amount needed to encode a MV

Definition at line 93 of file motion_est.h.

Referenced by check_bidir_mv(), direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_h263_encode_init(), ff_mpeg1_encode_init(), ff_pre_estimate_p_frame_motion(), and mpv_encode_defaults().

uint8_t* MotionEstContext::current_mv_penalty

Definition at line 94 of file motion_est.h.

Referenced by direct_search(), encode_q_branch(), estimate_motion_b(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ff_pre_estimate_p_frame_motion(), h263_mv4_search(), and interlaced_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 95 of file motion_est.h.

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

The documentation for this struct was generated from the following file:

libavcodec/motion_est.h

Generated on Fri Jan 12 2018 01:46:26 for FFmpeg by doxygen 1.8.6