120 lines
4.4 KiB
C
120 lines
4.4 KiB
C
/*
|
|
* 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 www.aomedia.org/license/software. 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 www.aomedia.org/license/patent.
|
|
*/
|
|
|
|
#ifndef AOM_AV1_ENCODER_GLOBAL_MOTION_H_
|
|
#define AOM_AV1_ENCODER_GLOBAL_MOTION_H_
|
|
|
|
#include "aom/aom_integer.h"
|
|
#include "aom_dsp/flow_estimation/flow_estimation.h"
|
|
#include "aom_scale/yv12config.h"
|
|
#include "aom_util/aom_thread.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define RANSAC_NUM_MOTIONS 1
|
|
#define GM_REFINEMENT_COUNT 5
|
|
#define MAX_DIRECTIONS 2
|
|
|
|
// The structure holds a valid reference frame type and its temporal distance
|
|
// from the source frame.
|
|
typedef struct {
|
|
int distance;
|
|
MV_REFERENCE_FRAME frame;
|
|
} FrameDistPair;
|
|
|
|
typedef struct {
|
|
// Array of structure which holds the global motion parameters for a given
|
|
// motion model. params_by_motion[i] holds the parameters for a given motion
|
|
// model for the ith ransac motion.
|
|
MotionModel params_by_motion[RANSAC_NUM_MOTIONS];
|
|
|
|
// Pointer to hold inliers from motion model.
|
|
uint8_t *segment_map;
|
|
} GlobalMotionThreadData;
|
|
|
|
typedef struct {
|
|
// Holds the mapping of each thread to past/future direction.
|
|
// thread_id_to_dir[i] indicates the direction id (past - 0/future - 1)
|
|
// assigned to the ith thread.
|
|
int8_t thread_id_to_dir[MAX_NUM_THREADS];
|
|
|
|
// A flag which holds the early exit status based on the speed feature
|
|
// 'prune_ref_frame_for_gm_search'. early_exit[i] will be set if the speed
|
|
// feature based early exit happens in the direction 'i'.
|
|
int8_t early_exit[MAX_DIRECTIONS];
|
|
|
|
// Counter for the next reference frame to be processed.
|
|
// next_frame_to_process[i] will hold the count of next reference frame to be
|
|
// processed in the direction 'i'.
|
|
int8_t next_frame_to_process[MAX_DIRECTIONS];
|
|
} JobInfo;
|
|
|
|
typedef struct {
|
|
// Data related to assigning jobs for global motion multi-threading.
|
|
JobInfo job_info;
|
|
|
|
// Data specific to each worker in global motion multi-threading.
|
|
// thread_data[i] stores the thread specific data for worker 'i'.
|
|
GlobalMotionThreadData *thread_data;
|
|
|
|
#if CONFIG_MULTITHREAD
|
|
// Mutex lock used while dispatching jobs.
|
|
pthread_mutex_t *mutex_;
|
|
#endif
|
|
|
|
// Width and height for which segment_map is allocated for each thread.
|
|
int allocated_width;
|
|
int allocated_height;
|
|
|
|
// Number of workers for which thread_data is allocated.
|
|
int8_t allocated_workers;
|
|
} AV1GlobalMotionSync;
|
|
|
|
void av1_convert_model_to_params(const double *params,
|
|
WarpedMotionParams *model);
|
|
|
|
// TODO(sarahparker) These need to be retuned for speed 0 and 1 to
|
|
// maximize gains from segmented error metric
|
|
static const double erroradv_tr = 0.65;
|
|
static const double erroradv_prod_tr = 20000;
|
|
|
|
int av1_is_enough_erroradvantage(double best_erroradvantage, int params_cost);
|
|
|
|
void av1_compute_feature_segmentation_map(uint8_t *segment_map, int width,
|
|
int height, int *inliers,
|
|
int num_inliers);
|
|
|
|
// Returns the error between the result of applying motion 'wm' to the frame
|
|
// described by 'ref' and the frame described by 'dst'.
|
|
int64_t av1_warp_error(WarpedMotionParams *wm, int use_hbd, int bd,
|
|
const uint8_t *ref, int width, int height, int stride,
|
|
uint8_t *dst, int p_col, int p_row, int p_width,
|
|
int p_height, int p_stride, int subsampling_x,
|
|
int subsampling_y, int64_t best_error,
|
|
uint8_t *segment_map, int segment_map_stride);
|
|
|
|
// Returns the av1_warp_error between "dst" and the result of applying the
|
|
// motion params that result from fine-tuning "wm" to "ref". Note that "wm" is
|
|
// modified in place.
|
|
int64_t av1_refine_integerized_param(
|
|
WarpedMotionParams *wm, TransformationType wmtype, int use_hbd, int bd,
|
|
uint8_t *ref, int r_width, int r_height, int r_stride, uint8_t *dst,
|
|
int d_width, int d_height, int d_stride, int n_refinements,
|
|
int64_t best_frame_error, uint8_t *segment_map, int segment_map_stride,
|
|
int64_t erroradv_threshold);
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
#endif // AOM_AV1_ENCODER_GLOBAL_MOTION_H_
|