AOMedia AV1 Codec
pass2_strategy.h
1 /*
2  * Copyright (c) 2019, Alliance for Open Media. All rights reserved.
3  *
4  * This source code is subject to the terms of the BSD 2 Clause License and
5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6  * was not distributed with this source code in the LICENSE file, you can
7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8  * Media Patent License 1.0 was not distributed with this source code in the
9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10  */
11 
12 #ifndef AOM_AV1_ENCODER_PASS2_STRATEGY_H_
13 #define AOM_AV1_ENCODER_PASS2_STRATEGY_H_
14 
15 #ifdef __cplusplus
16 extern "C" {
17 #endif
18 
19 struct AV1_COMP;
20 struct EncodeFrameParams;
21 
22 #include "av1/encoder/encoder.h"
23 
27 typedef struct {
29  double gf_group_err;
30  double gf_group_raw_error;
31  double gf_group_skip_pct;
32  double gf_group_inactive_zone_rows;
33 
34  double mv_ratio_accumulator;
35  double decay_accumulator;
36  double zero_motion_accumulator;
37  double loop_decay_rate;
38  double last_loop_decay_rate;
39  double this_frame_mv_in_out;
40  double mv_in_out_accumulator;
41  double abs_mv_in_out_accumulator;
42 
43  double avg_sr_coded_error;
44  double avg_pcnt_second_ref;
45  double avg_new_mv_count;
46  double avg_wavelet_energy;
47  double avg_raw_err_stdev;
48  int non_zero_stdev_count;
51 
55 typedef struct {
57  double frame_err;
58  double frame_coded_error;
59  double frame_sr_coded_error;
64 void av1_init_second_pass(struct AV1_COMP *cpi);
65 
66 void av1_init_single_pass_lap(AV1_COMP *cpi);
67 
88 void av1_get_second_pass_params(struct AV1_COMP *cpi,
89  struct EncodeFrameParams *const frame_params,
90  unsigned int frame_flags);
91 
105 void av1_twopass_postencode_update(struct AV1_COMP *cpi);
106 
107 int av1_calc_arf_boost(const TWO_PASS *twopass,
108  const TWO_PASS_FRAME *twopass_frame,
109  const PRIMARY_RATE_CONTROL *p_rc, FRAME_INFO *frame_info,
110  int offset, int f_frames, int b_frames,
111  int *num_fpstats_used, int *num_fpstats_required,
112  int project_gfu_boost);
113 #ifdef __cplusplus
114 } // extern "C"
115 #endif
116 
117 #endif // AOM_AV1_ENCODER_PASS2_STRATEGY_H_
accumulated stats and features for a frame
Definition: pass2_strategy.h:55
void av1_get_second_pass_params(struct AV1_COMP *cpi, struct EncodeFrameParams *const frame_params, unsigned int frame_flags)
Main per frame entry point for second pass of two pass encode.
Definition: pass2_strategy.c:3721
void av1_twopass_postencode_update(struct AV1_COMP *cpi)
Adjustments to two pass and rate control after each frame.
Definition: pass2_strategy.c:4141
Two pass status and control data.
Definition: firstpass.h:416
contains per-frame encoding parameters decided upon by av1_encode_strategy() and passed down to av1_e...
Definition: encoder.h:3694
Top level encoder structure.
Definition: encoder.h:2878
Declares top-level encoder structures and functions.
accumulated stats and features in a gf group
Definition: pass2_strategy.h:27
Frame level Two pass status and control data.
Definition: firstpass.h:458
Primary Rate Control parameters and status.
Definition: ratectrl.h:300