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Diffstat (limited to 'third_party/aom/av1/common/pvq.h')
| -rw-r--r-- | third_party/aom/av1/common/pvq.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/third_party/aom/av1/common/pvq.h b/third_party/aom/av1/common/pvq.h deleted file mode 100644 index 4adf22f02..000000000 --- a/third_party/aom/av1/common/pvq.h +++ /dev/null @@ -1,179 +0,0 @@ -/* - * 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(_pvq_H) -# define _pvq_H (1) -# include "generic_code.h" -# include "odintrin.h" - -extern const uint16_t EXP_CDF_TABLE[][16]; -extern const uint16_t LAPLACE_OFFSET[]; - -#define AV1_PVQ_ENABLE_ACTIVITY_MASKING (0) - -# define PVQ_MAX_PARTITIONS (1 + 3*(OD_TXSIZES-1)) - -# define OD_NOREF_ADAPT_SPEED (4) -/* Normalized lambda for PVQ quantizer. Since we normalize the gain by q, the - distortion is normalized by q^2 and lambda does not need the q^2 factor. - At high rate, this would be log(2)/6, but we're using a slightly more - aggressive value, closer to: - Li, Xiang, et al. "Laplace distribution based Lagrangian rate distortion - optimization for hybrid video coding." Circuits and Systems for Video - Technology, IEEE Transactions on 19.2 (2009): 193-205. - */ -# define OD_PVQ_LAMBDA (.1146) - -#define OD_PVQ_SKIP_ZERO 1 -#define OD_PVQ_SKIP_COPY 2 - -/* Maximum size for coding a PVQ band. */ -#define OD_MAX_PVQ_SIZE (1024) - -#if defined(OD_FLOAT_PVQ) -#define OD_QM_SHIFT (15) -#else -#define OD_QM_SHIFT (11) -#endif -#define OD_QM_SCALE (1 << OD_QM_SHIFT) -#if defined(OD_FLOAT_PVQ) -#define OD_QM_SCALE_1 (1./OD_QM_SCALE) -#endif -#define OD_QM_SCALE_MAX 32767 -#define OD_QM_INV_SHIFT (12) -#define OD_QM_INV_SCALE (1 << OD_QM_INV_SHIFT) -#if defined(OD_FLOAT_PVQ) -#define OD_QM_INV_SCALE_1 (1./OD_QM_INV_SCALE) -#endif -#define OD_QM_OFFSET(bs) ((((1 << 2*bs) - 1) << 2*OD_LOG_BSIZE0)/3) -#define OD_QM_STRIDE (OD_QM_OFFSET(OD_TXSIZES)) -#define OD_QM_BUFFER_SIZE (2*OD_QM_STRIDE) - -#if !defined(OD_FLOAT_PVQ) -#define OD_THETA_SHIFT (15) -#define OD_THETA_SCALE ((1 << OD_THETA_SHIFT)*2./M_PI) -#define OD_MAX_THETA_SCALE (1 << OD_THETA_SHIFT) -#define OD_TRIG_SCALE (32768) -#define OD_BETA_SHIFT (12) -#define OD_BETA_SCALE_1 (1./(1 << OD_BETA_SHIFT)) -/*Multiplies 16-bit a by 32-bit b and keeps bits [16:64-OD_BETA_SHIFT-1].*/ -#define OD_MULT16_32_QBETA(a, b) \ - ((int16_t)(a)*(int64_t)(int32_t)(b) >> OD_BETA_SHIFT) -# define OD_MULT16_16_QBETA(a, b) \ - ((((int16_t)(a))*((int32_t)(int16_t)(b))) >> OD_BETA_SHIFT) -#define OD_CGAIN_SHIFT (8) -#define OD_CGAIN_SCALE (1 << OD_CGAIN_SHIFT) -#else -#define OD_BETA_SCALE_1 (1.) -#define OD_THETA_SCALE (1) -#define OD_TRIG_SCALE (1) -#define OD_CGAIN_SCALE (1) -#endif -#define OD_THETA_SCALE_1 (1./OD_THETA_SCALE) -#define OD_TRIG_SCALE_1 (1./OD_TRIG_SCALE) -#define OD_CGAIN_SCALE_1 (1./OD_CGAIN_SCALE) -#define OD_CGAIN_SCALE_2 (OD_CGAIN_SCALE_1*OD_CGAIN_SCALE_1) - -/* Largest PVQ partition is half the coefficients of largest block size. */ -#define MAXN (OD_TXSIZE_MAX*OD_TXSIZE_MAX/2) - -#define OD_COMPAND_SHIFT (8 + OD_COEFF_SHIFT) -#define OD_COMPAND_SCALE (1 << OD_COMPAND_SHIFT) -#define OD_COMPAND_SCALE_1 (1./OD_COMPAND_SCALE) - -#define OD_QM_SIZE (OD_TXSIZES*(OD_TXSIZES + 1)) - -#define OD_FLAT_QM 0 -#define OD_HVS_QM 1 - -# define OD_NSB_ADAPT_CTXS (4) - -# define OD_ADAPT_K_Q8 0 -# define OD_ADAPT_SUM_EX_Q8 1 -# define OD_ADAPT_COUNT_Q8 2 -# define OD_ADAPT_COUNT_EX_Q8 3 - -# define OD_ADAPT_NO_VALUE (-2147483647-1) - -typedef enum { - PVQ_SKIP = 0x0, - DC_CODED = 0x1, - AC_CODED = 0x2, - AC_DC_CODED = 0x3, -} PVQ_SKIP_TYPE; - -typedef struct od_pvq_adapt_ctx od_pvq_adapt_ctx; -typedef struct od_pvq_codeword_ctx od_pvq_codeword_ctx; - -struct od_pvq_codeword_ctx { - int pvq_adapt[2*OD_TXSIZES*OD_NSB_ADAPT_CTXS]; - /* CDFs are size 16 despite the fact that we're using less than that. */ - uint16_t pvq_k1_cdf[12][CDF_SIZE(16)]; - uint16_t pvq_split_cdf[22*7][CDF_SIZE(8)]; -}; - -struct od_pvq_adapt_ctx { - od_pvq_codeword_ctx pvq_codeword_ctx; - generic_encoder pvq_param_model[3]; - int pvq_ext[OD_TXSIZES*PVQ_MAX_PARTITIONS]; - int pvq_exg[OD_NPLANES_MAX][OD_TXSIZES][PVQ_MAX_PARTITIONS]; - uint16_t pvq_gaintheta_cdf[2*OD_TXSIZES*PVQ_MAX_PARTITIONS][CDF_SIZE(16)]; - uint16_t pvq_skip_dir_cdf[2*(OD_TXSIZES-1)][CDF_SIZE(7)]; -}; - -typedef struct od_qm_entry { - int interp_q; - int scale_q8; - const unsigned char *qm_q4; -} od_qm_entry; - -extern const od_qm_entry OD_DEFAULT_QMS[2][2][OD_NPLANES_MAX]; - -void od_adapt_pvq_ctx_reset(od_pvq_adapt_ctx *state, int is_keyframe); -int od_pvq_size_ctx(int n); -int od_pvq_k1_ctx(int n, int orig_size); - -od_val16 od_pvq_sin(od_val32 x); -od_val16 od_pvq_cos(od_val32 x); -#if !defined(OD_FLOAT_PVQ) -int od_vector_log_mag(const od_coeff *x, int n); -#endif - -void od_interp_qm(unsigned char *out, int q, const od_qm_entry *entry1, - const od_qm_entry *entry2); - -int od_qm_get_index(int bs, int band); - -extern const od_val16 *const OD_PVQ_BETA[2][OD_NPLANES_MAX][OD_TXSIZES + 1]; - -void od_init_qm(int16_t *x, int16_t *x_inv, const int *qm); -int od_compute_householder(od_val16 *r, int n, od_val32 gr, int *sign, - int shift); -void od_apply_householder(od_val16 *out, const od_val16 *x, const od_val16 *r, - int n); -void od_pvq_synthesis_partial(od_coeff *xcoeff, const od_coeff *ypulse, - const od_val16 *r, int n, - int noref, od_val32 g, - od_val32 theta, int m, int s, - const int16_t *qm_inv); -od_val32 od_gain_expand(od_val32 cg, int q0, od_val16 beta); -od_val32 od_pvq_compute_gain(const od_val16 *x, int n, int q0, od_val32 *g, - od_val16 beta, int bshift); -int od_pvq_compute_max_theta(od_val32 qcg, od_val16 beta); -od_val32 od_pvq_compute_theta(int t, int max_theta); -int od_pvq_compute_k(od_val32 qcg, int itheta, int noref, int n, od_val16 beta); - -int od_vector_is_null(const od_coeff *x, int len); -int od_qm_offset(int bs, int xydec); - -#endif |