| /* |
| * 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 AV1_COMMON_CFL_H_ |
| #define AV1_COMMON_CFL_H_ |
| |
| #include "av1/common/enums.h" |
| |
| // Forward declaration of AV1_COMMON, in order to avoid creating a cyclic |
| // dependency by importing av1/common/onyxc_int.h |
| typedef struct AV1Common AV1_COMMON; |
| |
| // Forward declaration of MACROBLOCK, in order to avoid creating a cyclic |
| // dependency by importing av1/common/blockd.h |
| typedef struct macroblockd MACROBLOCKD; |
| |
| typedef struct { |
| // Pixel buffer containing the luma pixels used as prediction for chroma |
| uint8_t y_pix[MAX_SB_SQUARE]; |
| |
| // Height and width of the luma prediction block currently in the pixel buffer |
| int y_height, y_width; |
| |
| // Chroma subsampling |
| int subsampling_x, subsampling_y; |
| |
| // CfL Performs its own block level DC_PRED for each chromatic plane |
| int dc_pred[CFL_PRED_PLANES]; |
| } CFL_CTX; |
| |
| void cfl_init(CFL_CTX *cfl, AV1_COMMON *cm, int subsampling_x, |
| int subsampling_y); |
| |
| void cfl_dc_pred(MACROBLOCKD *xd, BLOCK_SIZE plane_bsize, TX_SIZE tx_size); |
| |
| void cfl_predict_block(const CFL_CTX *cfl, uint8_t *dst, int dst_stride, |
| int row, int col, TX_SIZE tx_size, int dc_pred); |
| |
| void cfl_store(CFL_CTX *cfl, const uint8_t *input, int input_stride, int row, |
| int col, TX_SIZE tx_size); |
| |
| double cfl_load(const CFL_CTX *cfl, uint8_t *output, int output_stride, int row, |
| int col, TX_SIZE tx_size); |
| #endif // AV1_COMMON_CFL_H_ |