ref: d0f406366c7581409a3fbb05510d645380ba9ebd
dir: /vp10/encoder/firstpass.h/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VP10_ENCODER_FIRSTPASS_H_ #define VP10_ENCODER_FIRSTPASS_H_ #include "vp10/encoder/lookahead.h" #include "vp10/encoder/ratectrl.h" #ifdef __cplusplus extern "C" { #endif #if CONFIG_FP_MB_STATS #define FPMB_DCINTRA_MASK 0x01 #define FPMB_MOTION_ZERO_MASK 0x02 #define FPMB_MOTION_LEFT_MASK 0x04 #define FPMB_MOTION_RIGHT_MASK 0x08 #define FPMB_MOTION_UP_MASK 0x10 #define FPMB_MOTION_DOWN_MASK 0x20 #define FPMB_ERROR_SMALL_MASK 0x40 #define FPMB_ERROR_LARGE_MASK 0x80 #define FPMB_ERROR_SMALL_TH 2000 #define FPMB_ERROR_LARGE_TH 48000 typedef struct { uint8_t *mb_stats_start; uint8_t *mb_stats_end; } FIRSTPASS_MB_STATS; #endif #define VLOW_MOTION_THRESHOLD 950 typedef struct { double frame; double weight; double intra_error; double coded_error; double sr_coded_error; double pcnt_inter; double pcnt_motion; double pcnt_second_ref; double pcnt_neutral; double intra_skip_pct; double inactive_zone_rows; // Image mask rows top and bottom. double inactive_zone_cols; // Image mask columns at left and right edges. double MVr; double mvr_abs; double MVc; double mvc_abs; double MVrv; double MVcv; double mv_in_out_count; double new_mv_count; double duration; double count; } FIRSTPASS_STATS; typedef enum { KF_UPDATE = 0, LF_UPDATE = 1, GF_UPDATE = 2, ARF_UPDATE = 3, OVERLAY_UPDATE = 4, FRAME_UPDATE_TYPES = 5 } FRAME_UPDATE_TYPE; #define FC_ANIMATION_THRESH 0.15 typedef enum { FC_NORMAL = 0, FC_GRAPHICS_ANIMATION = 1, FRAME_CONTENT_TYPES = 2 } FRAME_CONTENT_TYPE; typedef struct { unsigned char index; RATE_FACTOR_LEVEL rf_level[(MAX_LAG_BUFFERS * 2) + 1]; FRAME_UPDATE_TYPE update_type[(MAX_LAG_BUFFERS * 2) + 1]; unsigned char arf_src_offset[(MAX_LAG_BUFFERS * 2) + 1]; unsigned char arf_update_idx[(MAX_LAG_BUFFERS * 2) + 1]; unsigned char arf_ref_idx[(MAX_LAG_BUFFERS * 2) + 1]; int bit_allocation[(MAX_LAG_BUFFERS * 2) + 1]; } GF_GROUP; typedef struct { unsigned int section_intra_rating; FIRSTPASS_STATS total_stats; FIRSTPASS_STATS this_frame_stats; const FIRSTPASS_STATS *stats_in; const FIRSTPASS_STATS *stats_in_start; const FIRSTPASS_STATS *stats_in_end; FIRSTPASS_STATS total_left_stats; int first_pass_done; int64_t bits_left; double modified_error_min; double modified_error_max; double modified_error_left; double mb_av_energy; #if CONFIG_FP_MB_STATS uint8_t *frame_mb_stats_buf; uint8_t *this_frame_mb_stats; FIRSTPASS_MB_STATS firstpass_mb_stats; #endif // An indication of the content type of the current frame FRAME_CONTENT_TYPE fr_content_type; // Projected total bits available for a key frame group of frames int64_t kf_group_bits; // Error score of frames still to be coded in kf group int64_t kf_group_error_left; // The fraction for a kf groups total bits allocated to the inter frames double kfgroup_inter_fraction; int sr_update_lag; int kf_zeromotion_pct; int last_kfgroup_zeromotion_pct; int gf_zeromotion_pct; int active_worst_quality; int baseline_active_worst_quality; int extend_minq; int extend_maxq; int extend_minq_fast; GF_GROUP gf_group; } TWO_PASS; struct VP10_COMP; void vp10_init_first_pass(struct VP10_COMP *cpi); void vp10_rc_get_first_pass_params(struct VP10_COMP *cpi); void vp10_first_pass(struct VP10_COMP *cpi, const struct lookahead_entry *source); void vp10_end_first_pass(struct VP10_COMP *cpi); void vp10_init_second_pass(struct VP10_COMP *cpi); void vp10_rc_get_second_pass_params(struct VP10_COMP *cpi); void vp10_twopass_postencode_update(struct VP10_COMP *cpi); // Post encode update of the rate control parameters for 2-pass void vp10_twopass_postencode_update(struct VP10_COMP *cpi); void vp10_init_subsampling(struct VP10_COMP *cpi); void vp10_calculate_coded_size(struct VP10_COMP *cpi, int *scaled_frame_width, int *scaled_frame_height); #ifdef __cplusplus } // extern "C" #endif #endif // VP10_ENCODER_FIRSTPASS_H_