| /* |
| * 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" |
| |
| 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); |
| return (CFL_ALLOWED_TYPE)(block_size_wide[bsize] <= 32 && |
| block_size_high[bsize] <= 32); |
| } |
| |
| 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 HBD 420 SIMD is added |
| void cfl_luma_subsampling_420_hbd_c(const uint16_t *input, int input_stride, |
| int16_t *output_q3, int width, int height); |
| |
| // TODO(ltrudeau) Remove this when HBD 422 SIMD is added |
| void cfl_luma_subsampling_422_hbd_c(const uint16_t *input, int input_stride, |
| int16_t *output_q3, int width, int height); |
| |
| // TODO(ltrudeau) Remove this when HBD 444 SIMD is added |
| void cfl_luma_subsampling_444_hbd_c(const uint16_t *input, int input_stride, |
| int16_t *output_q3, int width, int height); |
| |
| // TODO(ltrudeau) Remove this when LBD 422 SIMD is added |
| void cfl_luma_subsampling_422_lbd_c(const uint8_t *input, int input_stride, |
| int16_t *output_q3, int width, int height); |
| // TODO(ltrudeau) Remove this when LBD 444 SIMD is added |
| void cfl_luma_subsampling_444_lbd_c(const uint8_t *input, int input_stride, |
| int16_t *output_q3, int width, int height); |
| |
| #define CFL_GET_SUBSAMPLE_FUNCTION(arch) \ |
| cfl_subsample_lbd_fn get_subsample_lbd_fn_##arch(int sub_x, int sub_y) { \ |
| if (sub_x == 1) \ |
| return (sub_y == 1) ? cfl_luma_subsampling_420_lbd_##arch \ |
| : cfl_luma_subsampling_422_lbd_c; \ |
| return cfl_luma_subsampling_444_lbd_c; \ |
| } \ |
| cfl_subsample_hbd_fn get_subsample_hbd_fn_##arch(int sub_x, int sub_y) { \ |
| if (sub_x == 1) \ |
| return (sub_y == 1) ? cfl_luma_subsampling_420_hbd_c \ |
| : cfl_luma_subsampling_422_hbd_c; \ |
| return cfl_luma_subsampling_444_hbd_c; \ |
| } |
| |
| // Null function used for invalid tx_sizes |
| static INLINE void cfl_subtract_average_null(int16_t *pred_buf_q3) { |
| (void)pred_buf_q3; |
| assert(0); |
| } |
| |
| #define CFL_SUB_AVG_X(arch, width, height, round_offset, num_pel_log2) \ |
| static void subtract_average_##width##x##height##_x(int16_t *pred_buf_q3) { \ |
| subtract_average_##arch(pred_buf_q3, width, height, round_offset, \ |
| num_pel_log2); \ |
| } |
| |
| #define CFL_SUB_AVG_FN(arch) \ |
| CFL_SUB_AVG_X(arch, 4, 4, 8, 4) \ |
| CFL_SUB_AVG_X(arch, 4, 8, 16, 5) \ |
| CFL_SUB_AVG_X(arch, 4, 16, 32, 6) \ |
| CFL_SUB_AVG_X(arch, 8, 4, 16, 5) \ |
| CFL_SUB_AVG_X(arch, 8, 8, 32, 6) \ |
| CFL_SUB_AVG_X(arch, 8, 16, 64, 7) \ |
| CFL_SUB_AVG_X(arch, 8, 32, 128, 8) \ |
| CFL_SUB_AVG_X(arch, 16, 4, 32, 6) \ |
| CFL_SUB_AVG_X(arch, 16, 8, 64, 7) \ |
| CFL_SUB_AVG_X(arch, 16, 16, 128, 8) \ |
| CFL_SUB_AVG_X(arch, 16, 32, 256, 9) \ |
| CFL_SUB_AVG_X(arch, 32, 8, 128, 8) \ |
| CFL_SUB_AVG_X(arch, 32, 16, 256, 9) \ |
| CFL_SUB_AVG_X(arch, 32, 32, 512, 10) \ |
| cfl_subtract_average_fn get_subtract_average_fn_##arch(TX_SIZE tx_size) { \ |
| static const cfl_subtract_average_fn sub_avg[TX_SIZES_ALL] = { \ |
| subtract_average_4x4_x, /* 4x4 */ \ |
| subtract_average_8x8_x, /* 8x8 */ \ |
| subtract_average_16x16_x, /* 16x16 */ \ |
| subtract_average_32x32_x, /* 32x32 */ \ |
| cfl_subtract_average_null, /* 64x64 (invalid CFL size) */ \ |
| subtract_average_4x8_x, /* 4x8 */ \ |
| subtract_average_8x4_x, /* 8x4 */ \ |
| subtract_average_8x16_x, /* 8x16 */ \ |
| subtract_average_16x8_x, /* 16x8 */ \ |
| subtract_average_16x32_x, /* 16x32 */ \ |
| subtract_average_32x16_x, /* 32x16 */ \ |
| cfl_subtract_average_null, /* 32x64 (invalid CFL size) */ \ |
| cfl_subtract_average_null, /* 64x32 (invalid CFL size) */ \ |
| subtract_average_4x16_x, /* 4x16 (invalid CFL size) */ \ |
| subtract_average_16x4_x, /* 16x4 (invalid CFL size) */ \ |
| subtract_average_8x32_x, /* 8x32 (invalid CFL size) */ \ |
| subtract_average_32x8_x, /* 32x8 (invalid CFL size) */ \ |
| cfl_subtract_average_null, /* 16x64 (invalid CFL size) */ \ |
| cfl_subtract_average_null, /* 64x16 (invalid CFL size) */ \ |
| }; \ |
| /* Modulo TX_SIZES_ALL to ensure that an attacker won't be able to */ \ |
| /* index the function pointer array out of bounds. */ \ |
| return sub_avg[tx_size % TX_SIZES_ALL]; \ |
| } |
| |
| #define CFL_PREDICT_LBD_X(width, arch) \ |
| void cfl_predict_lbd_##width##_##arch(const int16_t *pred_buf_q3, \ |
| uint8_t *dst, int dst_stride, \ |
| TX_SIZE tx_size, int alpha_q3) { \ |
| cfl_predict_lbd_x(pred_buf_q3, dst, dst_stride, tx_size, alpha_q3, width); \ |
| } |
| |
| #define CFL_PREDICT_HBD_X(width, arch) \ |
| void cfl_predict_hbd_##width##_##arch( \ |
| const int16_t *pred_buf_q3, uint16_t *dst, int dst_stride, \ |
| TX_SIZE tx_size, int alpha_q3, int bd) { \ |
| cfl_predict_hbd_x(pred_buf_q3, dst, dst_stride, tx_size, alpha_q3, bd, \ |
| width); \ |
| } |
| #endif // AV1_COMMON_CFL_H_ |
