1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_ENCODER_VP9_FIRSTPASS_H_ 12 #define VP9_ENCODER_VP9_FIRSTPASS_H_ 13 14 #include "vp9/encoder/vp9_lookahead.h" 15 #include "vp9/encoder/vp9_ratectrl.h" 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 #if CONFIG_FP_MB_STATS 22 23 #define FPMB_DCINTRA_MASK 0x01 24 25 #define FPMB_MOTION_ZERO_MASK 0x02 26 #define FPMB_MOTION_LEFT_MASK 0x04 27 #define FPMB_MOTION_RIGHT_MASK 0x08 28 #define FPMB_MOTION_UP_MASK 0x10 29 #define FPMB_MOTION_DOWN_MASK 0x20 30 31 #define FPMB_ERROR_SMALL_MASK 0x40 32 #define FPMB_ERROR_LARGE_MASK 0x80 33 #define FPMB_ERROR_SMALL_TH 2000 34 #define FPMB_ERROR_LARGE_TH 48000 35 36 typedef struct { 37 uint8_t *mb_stats_start; 38 uint8_t *mb_stats_end; 39 } FIRSTPASS_MB_STATS; 40 #endif 41 42 #define VLOW_MOTION_THRESHOLD 950 43 44 typedef struct { 45 double frame; 46 double weight; 47 double intra_error; 48 double coded_error; 49 double sr_coded_error; 50 double pcnt_inter; 51 double pcnt_motion; 52 double pcnt_second_ref; 53 double pcnt_neutral; 54 double intra_skip_pct; 55 double inactive_zone_rows; // Image mask rows top and bottom. 56 double inactive_zone_cols; // Image mask columns at left and right edges. 57 double MVr; 58 double mvr_abs; 59 double MVc; 60 double mvc_abs; 61 double MVrv; 62 double MVcv; 63 double mv_in_out_count; 64 double new_mv_count; 65 double duration; 66 double count; 67 int64_t spatial_layer_id; 68 } FIRSTPASS_STATS; 69 70 typedef enum { 71 KF_UPDATE = 0, 72 LF_UPDATE = 1, 73 GF_UPDATE = 2, 74 ARF_UPDATE = 3, 75 OVERLAY_UPDATE = 4, 76 FRAME_UPDATE_TYPES = 5 77 } FRAME_UPDATE_TYPE; 78 79 #define FC_ANIMATION_THRESH 0.15 80 typedef enum { 81 FC_NORMAL = 0, 82 FC_GRAPHICS_ANIMATION = 1, 83 FRAME_CONTENT_TYPES = 2 84 } FRAME_CONTENT_TYPE; 85 86 typedef struct { 87 unsigned char index; 88 RATE_FACTOR_LEVEL rf_level[(MAX_LAG_BUFFERS * 2) + 1]; 89 FRAME_UPDATE_TYPE update_type[(MAX_LAG_BUFFERS * 2) + 1]; 90 unsigned char arf_src_offset[(MAX_LAG_BUFFERS * 2) + 1]; 91 unsigned char arf_update_idx[(MAX_LAG_BUFFERS * 2) + 1]; 92 unsigned char arf_ref_idx[(MAX_LAG_BUFFERS * 2) + 1]; 93 int bit_allocation[(MAX_LAG_BUFFERS * 2) + 1]; 94 } GF_GROUP; 95 96 typedef struct { 97 unsigned int section_intra_rating; 98 FIRSTPASS_STATS total_stats; 99 FIRSTPASS_STATS this_frame_stats; 100 const FIRSTPASS_STATS *stats_in; 101 const FIRSTPASS_STATS *stats_in_start; 102 const FIRSTPASS_STATS *stats_in_end; 103 FIRSTPASS_STATS total_left_stats; 104 int first_pass_done; 105 int64_t bits_left; 106 double modified_error_min; 107 double modified_error_max; 108 double modified_error_left; 109 double mb_av_energy; 110 111 #if CONFIG_FP_MB_STATS 112 uint8_t *frame_mb_stats_buf; 113 uint8_t *this_frame_mb_stats; 114 FIRSTPASS_MB_STATS firstpass_mb_stats; 115 #endif 116 // An indication of the content type of the current frame 117 FRAME_CONTENT_TYPE fr_content_type; 118 119 // Projected total bits available for a key frame group of frames 120 int64_t kf_group_bits; 121 122 // Error score of frames still to be coded in kf group 123 int64_t kf_group_error_left; 124 125 // The fraction for a kf groups total bits allocated to the inter frames 126 double kfgroup_inter_fraction; 127 128 int sr_update_lag; 129 130 int kf_zeromotion_pct; 131 int last_kfgroup_zeromotion_pct; 132 int gf_zeromotion_pct; 133 int active_worst_quality; 134 int baseline_active_worst_quality; 135 int extend_minq; 136 int extend_maxq; 137 int extend_minq_fast; 138 139 GF_GROUP gf_group; 140 } TWO_PASS; 141 142 struct VP9_COMP; 143 144 void vp9_init_first_pass(struct VP9_COMP *cpi); 145 void vp9_rc_get_first_pass_params(struct VP9_COMP *cpi); 146 void vp9_first_pass(struct VP9_COMP *cpi, const struct lookahead_entry *source); 147 void vp9_end_first_pass(struct VP9_COMP *cpi); 148 149 void vp9_init_second_pass(struct VP9_COMP *cpi); 150 void vp9_rc_get_second_pass_params(struct VP9_COMP *cpi); 151 void vp9_twopass_postencode_update(struct VP9_COMP *cpi); 152 153 // Post encode update of the rate control parameters for 2-pass 154 void vp9_twopass_postencode_update(struct VP9_COMP *cpi); 155 156 void calculate_coded_size(struct VP9_COMP *cpi, 157 int *scaled_frame_width, 158 int *scaled_frame_height); 159 160 #ifdef __cplusplus 161 } // extern "C" 162 #endif 163 164 #endif // VP9_ENCODER_VP9_FIRSTPASS_H_ 165