From 68569dee1416593955c1570d638b3d9250b33012 Mon Sep 17 00:00:00 2001 From: trav90 Date: Mon, 15 Oct 2018 21:45:30 -0500 Subject: Import aom library This is the reference implementation for the Alliance for Open Media's av1 video code. The commit used was 4d668d7feb1f8abd809d1bca0418570a7f142a36. --- third_party/aom/av1/common/pvq_state.h | 52 ++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 third_party/aom/av1/common/pvq_state.h (limited to 'third_party/aom/av1/common/pvq_state.h') diff --git a/third_party/aom/av1/common/pvq_state.h b/third_party/aom/av1/common/pvq_state.h new file mode 100644 index 000000000..84d454e70 --- /dev/null +++ b/third_party/aom/av1/common/pvq_state.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2001-2016, 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. + */ + +/* clang-format off */ + +#if !defined(_state_H) +# define _state_H (1) + +typedef struct od_state od_state; +typedef struct od_adapt_ctx od_adapt_ctx; + +# include "generic_code.h" +# include "odintrin.h" +# include "pvq.h" + +/*Adaptation speed of scalar Laplace encoding.*/ +# define OD_SCALAR_ADAPT_SPEED (4) + +struct od_adapt_ctx { + /* Support for PVQ encode/decode */ + od_pvq_adapt_ctx pvq; + + generic_encoder model_dc[OD_NPLANES_MAX]; + + int ex_dc[OD_NPLANES_MAX][OD_TXSIZES][3]; + int ex_g[OD_NPLANES_MAX][OD_TXSIZES]; + + /* Joint skip flag for DC and AC */ + uint16_t skip_cdf[OD_TXSIZES*2][CDF_SIZE(4)]; +}; + +struct od_state { + od_adapt_ctx *adapt; + unsigned char pvq_qm_q4[OD_NPLANES_MAX][OD_QM_SIZE]; + /* Quantization matrices and their inverses. */ + int16_t qm[OD_QM_BUFFER_SIZE]; + int16_t qm_inv[OD_QM_BUFFER_SIZE]; +}; + +void od_adapt_ctx_reset(od_adapt_ctx *state, int is_keyframe); +void od_init_skipped_coeffs(int16_t *d, int16_t *pred, int is_keyframe, + int bo, int n, int w); + +#endif -- cgit v1.2.3