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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at
#include "av1/common/enums.h"
#include "av1/common/onyxc_int.h"
#include "av1/encoder/lookahead.h"
#include "av1/encoder/ratectrl.h"
#ifdef __cplusplus
extern "C" {
#define DOUBLE_DIVIDE_CHECK(x) ((x) < 0 ? (x)-0.000001 : (x) + 0.000001)
#define MIN_ZERO_MOTION 0.95
#define MAX_RAW_ERR_VAR 2000
#define MIN_MV_IN_OUT 0.4
#define MAX_ARF_LAYERS 5
typedef struct {
// Frame number in display order, if stats are for a single frame.
// No real meaning for a collection of frames.
double frame;
// Weight assigned to this frame (or total weight for the collection of
// frames) currently based on intra factor and brightness factor. This is used
// to distribute bits betweeen easier and harder frames.
double weight;
// Intra prediction error.
double intra_error;
// Average wavelet energy computed using Discrete Wavelet Transform (DWT).
double frame_avg_wavelet_energy;
// Best of intra pred error and inter pred error using last frame as ref.
double coded_error;
// Best of intra pred error and inter pred error using golden frame as ref.
double sr_coded_error;
// Best of intra pred error and inter pred error using altref frame as ref.
double tr_coded_error;
// Percentage of blocks with inter pred error < intra pred error.
double pcnt_inter;
// Percentage of blocks using (inter prediction and) non-zero motion vectors.
double pcnt_motion;
// Percentage of blocks where golden frame was better than last or intra:
// inter pred error using golden frame < inter pred error using last frame and
// inter pred error using golden frame < intra pred error
double pcnt_second_ref;
// Percentage of blocks where altref frame was better than intra, last, golden
double pcnt_third_ref;
// Percentage of blocks where intra and inter prediction errors were very
// close. Note that this is a 'weighted count', that is, the so blocks may be
// weighted by how close the two errors were.
double pcnt_neutral;
// Percentage of blocks that have almost no intra error residual
// (i.e. are in effect completely flat and untextured in the intra
// domain). In natural videos this is uncommon, but it is much more
// common in animations, graphics and screen content, so may be used
// as a signal to detect these types of content.
double intra_skip_pct;
// Image mask rows top and bottom.
double inactive_zone_rows;
// Image mask columns at left and right edges.
double inactive_zone_cols;
// Average of row motion vectors.
double MVr;
// Mean of absolute value of row motion vectors.
double mvr_abs;
// Mean of column motion vectors.
double MVc;
// Mean of absolute value of column motion vectors.
double mvc_abs;
// Variance of row motion vectors.
double MVrv;
// Variance of column motion vectors.
double MVcv;
// Value in range [-1,1] indicating fraction of row and column motion vectors
// that point inwards (negative MV value) or outwards (positive MV value).
// For example, value of 1 indicates, all row/column MVs are inwards.
double mv_in_out_count;
// Count of unique non-zero motion vectors.
double new_mv_count;
// Duration of the frame / collection of frames.
double duration;
// 1.0 if stats are for a single frame, OR
// Number of frames in this collection for which the stats are accumulated.
double count;
// standard deviation for (0, 0) motion prediction error
double raw_error_stdev;
enum {
typedef struct {
unsigned char index;
unsigned char arf_src_offset[MAX_STATIC_GF_GROUP_LENGTH];
unsigned char frame_disp_idx[MAX_STATIC_GF_GROUP_LENGTH];
int ref_frame_disp_idx[MAX_STATIC_GF_GROUP_LENGTH][REF_FRAMES];
int ref_frame_gop_idx[MAX_STATIC_GF_GROUP_LENGTH][REF_FRAMES];
// TODO(jingning): Unify the data structure used here after the new control
// mechanism is in place.
int layer_depth[MAX_STATIC_GF_GROUP_LENGTH];
int max_layer_depth;
int max_layer_depth_allowed;
// This is currently only populated for AOM_Q mode
unsigned char q_val[MAX_STATIC_GF_GROUP_LENGTH];
int bit_allocation[MAX_STATIC_GF_GROUP_LENGTH];
int size;
typedef struct {
unsigned int section_intra_rating;
FIRSTPASS_STATS total_stats;
// Circular queue of first pass stats stored for most recent frames.
// cpi->output_pkt_list[i].data.twopass_stats.buf points to actual data stored
// here.
int frame_stats_next_idx; // Index to next unused element in frame_stats_arr.
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;
double frame_avg_haar_energy;
// 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;
// Over time correction for bits per macro block estimation
double bpm_factor;
// Record of target and actual bits spent in current ARF group
int rolling_arf_group_target_bits;
int rolling_arf_group_actual_bits;
int sr_update_lag;
int kf_zeromotion_pct;
int last_kfgroup_zeromotion_pct;
int extend_minq;
int extend_maxq;
int extend_minq_fast;
struct AV1_COMP;
struct EncodeFrameParams;
struct AV1EncoderConfig;
void av1_init_first_pass(struct AV1_COMP *cpi);
void av1_rc_get_first_pass_params(struct AV1_COMP *cpi);
void av1_first_pass(struct AV1_COMP *cpi, const int64_t ts_duration);
void av1_end_first_pass(struct AV1_COMP *cpi);
void av1_twopass_zero_stats(FIRSTPASS_STATS *section);
#ifdef __cplusplus
} // extern "C"