1 /* 2 * Copyright (c) 2001-2016, 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 /* clang-format off */ 13 14 #if !defined(_state_H) 15 # define _state_H (1) 16 17 typedef struct od_state od_state; 18 typedef struct od_adapt_ctx od_adapt_ctx; 19 20 # include "generic_code.h" 21 # include "odintrin.h" 22 # include "pvq.h" 23 24 /*Adaptation speed of scalar Laplace encoding.*/ 25 # define OD_SCALAR_ADAPT_SPEED (4) 26 27 struct od_adapt_ctx { 28 /* Support for PVQ encode/decode */ 29 od_pvq_adapt_ctx pvq; 30 31 generic_encoder model_dc[OD_NPLANES_MAX]; 32 33 int ex_dc[OD_NPLANES_MAX][OD_TXSIZES][3]; 34 int ex_g[OD_NPLANES_MAX][OD_TXSIZES]; 35 36 /* Joint skip flag for DC and AC */ 37 uint16_t skip_cdf[OD_TXSIZES*2][CDF_SIZE(4)]; 38 }; 39 40 struct od_state { 41 od_adapt_ctx *adapt; 42 unsigned char pvq_qm_q4[OD_NPLANES_MAX][OD_QM_SIZE]; 43 /* Quantization matrices and their inverses. */ 44 int16_t qm[OD_QM_BUFFER_SIZE]; 45 int16_t qm_inv[OD_QM_BUFFER_SIZE]; 46 }; 47 48 void od_adapt_ctx_reset(od_adapt_ctx *state, int is_keyframe); 49 void od_init_skipped_coeffs(int16_t *d, int16_t *pred, int is_keyframe, 50 int bo, int n, int w); 51 52 #endif 53