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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 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/blockd.h"
typedef void (*cfl_subsample_lbd_fn)(const uint8_t *input, int input_stride,
int16_t *output_q3, int width, int height);
typedef void (*cfl_predict_lbd_fn)(const int16_t *pred_buf_q3, uint8_t *dst,
int dst_stride, TX_SIZE tx_size,
int alpha_q3);
typedef void (*cfl_predict_hbd_fn)(const int16_t *pred_buf_q3, uint16_t *dst,
int dst_stride, TX_SIZE tx_size,
int alpha_q3, int bd);
static INLINE CFL_ALLOWED_TYPE is_cfl_allowed(const MB_MODE_INFO *mbmi) {
const BLOCK_SIZE bsize = mbmi->sb_type;
assert(bsize < BLOCK_SIZES_ALL);
#if CONFIG_EXT_PARTITION_TYPES && CONFIG_RECT_TX_EXT_INTRA
return (CFL_ALLOWED_TYPE)(block_size_wide[bsize] <= 32 &&
block_size_high[bsize] <= 32);
#else
return (CFL_ALLOWED_TYPE)(bsize <= CFL_MAX_BLOCK_SIZE);
#endif // CONFIG_EXT_PARTITION_TYPES && CONFIG_RECT_TX_EXT_INTRA
}
static INLINE int get_scaled_luma_q0(int alpha_q3, int16_t pred_buf_q3) {
int scaled_luma_q6 = alpha_q3 * pred_buf_q3;
return ROUND_POWER_OF_TWO_SIGNED(scaled_luma_q6, 6);
}
static INLINE CFL_PRED_TYPE get_cfl_pred_type(PLANE_TYPE plane) {
assert(plane > 0);
return (CFL_PRED_TYPE)(plane - 1);
}
void cfl_predict_block(MACROBLOCKD *const xd, uint8_t *dst, int dst_stride,
TX_SIZE tx_size, int plane);
void cfl_store_block(MACROBLOCKD *const xd, BLOCK_SIZE bsize, TX_SIZE tx_size);
void cfl_store_tx(MACROBLOCKD *const xd, int row, int col, TX_SIZE tx_size,
BLOCK_SIZE bsize);
void cfl_store_dc_pred(MACROBLOCKD *const xd, const uint8_t *input,
CFL_PRED_TYPE pred_plane, int width);
void cfl_load_dc_pred(MACROBLOCKD *const xd, uint8_t *dst, int dst_stride,
TX_SIZE tx_size, CFL_PRED_TYPE pred_plane);
// TODO(ltrudeau) Remove this when 422 SIMD is added
void cfl_luma_subsampling_422_lbd(const uint8_t *input, int input_stride,
int16_t *output_q3, int width, int height);
// TODO(ltrudeau) Remove this when 440 SIMD is added
void cfl_luma_subsampling_440_lbd(const uint8_t *input, int input_stride,
int16_t *output_q3, int width, int height);
// TODO(ltrudeau) Remove this when 444 SIMD is added
void cfl_luma_subsampling_444_lbd(const uint8_t *input, int input_stride,
int16_t *output_q3, int width, int height);
#endif // AV1_COMMON_CFL_H_