| /* |
| * 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_AOM_DSP_FLOW_ESTIMATION_CORNER_MATCH_H_ |
| #define AOM_AOM_DSP_FLOW_ESTIMATION_CORNER_MATCH_H_ |
| |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <memory.h> |
| |
| #include "aom_dsp/flow_estimation/corner_detect.h" |
| #include "aom_dsp/flow_estimation/flow_estimation.h" |
| #include "aom_scale/yv12config.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define MATCH_SZ 16 |
| #define MATCH_SZ_BY2 ((MATCH_SZ - 1) / 2) |
| #define MATCH_SZ_SQ (MATCH_SZ * MATCH_SZ) |
| |
| // Minimum threshold for the variance of a patch, in order for it to be |
| // considered useful for matching. |
| // This is evaluated against the scaled variance MATCH_SZ_SQ * sigma^2, |
| // so a setting of 1 * MATCH_SZ_SQ corresponds to an unscaled variance of 1 |
| #define MIN_FEATURE_VARIANCE (1 * MATCH_SZ_SQ) |
| |
| bool av1_compute_global_motion_feature_match( |
| TransformationType type, YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *ref, |
| int bit_depth, int downsample_level, MotionModel *motion_models, |
| int num_motion_models, bool *mem_alloc_failed); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // AOM_AOM_DSP_FLOW_ESTIMATION_CORNER_MATCH_H_ |