global_motion_facade.h (2173B)
1 /* 2 * Copyright (c) 2020, 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_GLOBAL_MOTION_FACADE_H_ 13 #define AOM_AV1_ENCODER_GLOBAL_MOTION_FACADE_H_ 14 15 #ifdef __cplusplus 16 extern "C" { 17 #endif 18 struct yv12_buffer_config; 19 struct AV1_COMP; 20 21 // Allocates memory for members of GlobalMotionData. 22 static inline void gm_alloc_data(AV1_COMP *cpi, GlobalMotionData *gm_data) { 23 AV1_COMMON *cm = &cpi->common; 24 GlobalMotionInfo *gm_info = &cpi->gm_info; 25 26 CHECK_MEM_ERROR(cm, gm_data->segment_map, 27 aom_malloc(sizeof(*gm_data->segment_map) * 28 gm_info->segment_map_w * gm_info->segment_map_h)); 29 30 av1_zero_array(gm_data->motion_models, RANSAC_NUM_MOTIONS); 31 for (int m = 0; m < RANSAC_NUM_MOTIONS; m++) { 32 CHECK_MEM_ERROR(cm, gm_data->motion_models[m].inliers, 33 aom_malloc(sizeof(*gm_data->motion_models[m].inliers) * 2 * 34 MAX_CORNERS)); 35 } 36 } 37 38 // Deallocates the memory allocated for members of GlobalMotionData. 39 static inline void gm_dealloc_data(GlobalMotionData *gm_data) { 40 aom_free(gm_data->segment_map); 41 gm_data->segment_map = NULL; 42 for (int m = 0; m < RANSAC_NUM_MOTIONS; m++) { 43 aom_free(gm_data->motion_models[m].inliers); 44 gm_data->motion_models[m].inliers = NULL; 45 } 46 } 47 48 void av1_compute_gm_for_valid_ref_frames( 49 AV1_COMP *cpi, struct aom_internal_error_info *error_info, 50 YV12_BUFFER_CONFIG *ref_buf[REF_FRAMES], int frame, 51 MotionModel *motion_models, uint8_t *segment_map, int segment_map_w, 52 int segment_map_h); 53 void av1_compute_global_motion_facade(struct AV1_COMP *cpi); 54 #ifdef __cplusplus 55 } // extern "C" 56 #endif 57 58 #endif // AOM_AV1_ENCODER_GLOBAL_MOTION_FACADE_H_