| /* |
| * Copyright (c) 2017, 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. |
| */ |
| #include "aom/aom_integer.h" |
| #include "av1/common/onyxc_int.h" |
| #include "av1/common/txb_common.h" |
| |
| const int8_t av1_coeff_band_4x4[16] = { 0, 1, 2, 3, 4, 5, 6, 7, |
| 8, 9, 10, 11, 12, 13, 14, 15 }; |
| |
| const int8_t av1_coeff_band_8x8[64] = { |
| 0, 1, 2, 2, 3, 3, 4, 4, 5, 6, 2, 2, 3, 3, 4, 4, |
| 7, 7, 8, 8, 9, 9, 10, 10, 7, 7, 8, 8, 9, 9, 10, 10, |
| 11, 11, 12, 12, 13, 13, 14, 14, 11, 11, 12, 12, 13, 13, 14, 14, |
| 15, 15, 16, 16, 17, 17, 18, 18, 15, 15, 16, 16, 17, 17, 18, 18, |
| }; |
| |
| const int8_t av1_coeff_band_16x16[256] = { |
| 0, 1, 4, 4, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 2, 3, 4, |
| 4, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 5, 5, 6, 6, 7, 7, |
| 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 5, 5, 6, 6, 7, 7, 7, 7, 8, |
| 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, |
| 13, 13, 13, 13, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, |
| 13, 10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 10, 10, |
| 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, |
| 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15, |
| 16, 16, 16, 16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, |
| 16, 17, 17, 17, 17, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, |
| 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18, |
| 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18, 18, 18, 18, |
| 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 18, 18, 18, 18, 19, 19, 19, |
| 19, 20, 20, 20, 20, 21, 21, 21, 21, |
| }; |
| |
| const int8_t av1_coeff_band_32x32[1024] = { |
| 0, 1, 4, 4, 7, 7, 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, |
| 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 2, 3, 4, 4, 7, 7, |
| 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, |
| 12, 12, 12, 12, 12, 12, 12, 5, 5, 6, 6, 7, 7, 7, 7, 10, 10, 10, 10, |
| 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, |
| 12, 5, 5, 6, 6, 7, 7, 7, 7, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, |
| 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 9, |
| 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, |
| 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, |
| 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, |
| 12, 12, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, |
| 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, |
| 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, |
| 11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, |
| 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, |
| 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, |
| 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, |
| 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, |
| 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, |
| 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, |
| 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, |
| 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, |
| 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, |
| 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, |
| 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, |
| 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, |
| 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, 17, |
| 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, |
| 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, |
| 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, |
| 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, |
| 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, |
| 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, |
| 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, |
| 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, |
| 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, |
| 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, |
| 20, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, |
| 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 17, 17, 17, 17, 17, |
| 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, |
| 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, |
| 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, |
| 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, |
| 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, |
| 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, |
| 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, |
| 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, |
| 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, |
| 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, |
| 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, |
| 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, |
| 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, |
| 24, 24, 24, 24, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, |
| 22, 23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, |
| }; |
| |
| // The ctx offset table when TX is TX_CLASS_2D. |
| // TX col and row indices are clamped to 4. |
| const int8_t av1_nz_map_ctx_offset[TX_SIZES_ALL][5][5] = { |
| // TX_4X4 |
| { { 0, 1, 6, 6, 0 }, |
| { 1, 6, 6, 21, 0 }, |
| { 6, 6, 21, 21, 0 }, |
| { 6, 21, 21, 21, 0 }, |
| { 0, 0, 0, 0, 0 } }, |
| // TX_8X8 |
| { { 0, 1, 6, 6, 21 }, |
| { 1, 6, 6, 21, 21 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_16X16 |
| { { 0, 1, 6, 6, 21 }, |
| { 1, 6, 6, 21, 21 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_32X32 |
| { { 0, 1, 6, 6, 21 }, |
| { 1, 6, 6, 21, 21 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| #if CONFIG_TX64X64 |
| // TX_64X64 |
| { { 0, 1, 6, 6, 21 }, |
| { 1, 6, 6, 21, 21 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| #endif // CONFIG_TX64X64 |
| // TX_4X8 |
| { { 0, 11, 11, 11, 0 }, |
| { 11, 11, 11, 11, 0 }, |
| { 6, 6, 21, 21, 0 }, |
| { 6, 21, 21, 21, 0 }, |
| { 21, 21, 21, 21, 0 } }, |
| // TX_8X4 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 0, 0, 0, 0, 0 } }, |
| // TX_8X16 |
| { { 0, 11, 11, 11, 11 }, |
| { 11, 11, 11, 11, 11 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_16X8 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 } }, |
| // TX_16X32 |
| { { 0, 11, 11, 11, 11 }, |
| { 11, 11, 11, 11, 11 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_32X16 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 } }, |
| #if CONFIG_TX64X64 |
| // TX_32X64 |
| { { 0, 11, 11, 11, 11 }, |
| { 11, 11, 11, 11, 11 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_64X32 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 } }, |
| #endif // CONFIG_TX64X64 |
| // TX_4X16 |
| { { 0, 11, 11, 11, 0 }, |
| { 11, 11, 11, 11, 0 }, |
| { 6, 6, 21, 21, 0 }, |
| { 6, 21, 21, 21, 0 }, |
| { 21, 21, 21, 21, 0 } }, |
| // TX_16X4 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 0, 0, 0, 0, 0 } }, |
| // TX_8X32 |
| { { 0, 11, 11, 11, 11 }, |
| { 11, 11, 11, 11, 11 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_32X8 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 } }, |
| #if CONFIG_TX64X64 |
| // TX_16X64 |
| { { 0, 11, 11, 11, 11 }, |
| { 11, 11, 11, 11, 11 }, |
| { 6, 6, 21, 21, 21 }, |
| { 6, 21, 21, 21, 21 }, |
| { 21, 21, 21, 21, 21 } }, |
| // TX_64X16 |
| { { 0, 16, 6, 6, 21 }, |
| { 16, 16, 6, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 }, |
| { 16, 16, 21, 21, 21 } } |
| #endif // CONFIG_TX64X64 |
| }; |
| |
| void av1_init_txb_probs(FRAME_CONTEXT *fc) { |
| TX_SIZE tx_size; |
| int plane, ctx; |
| |
| // Update probability models for transform block skip flag |
| for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) { |
| for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx) { |
| fc->txb_skip_cdf[tx_size][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->txb_skip[tx_size][ctx]); |
| fc->txb_skip_cdf[tx_size][ctx][1] = AOM_ICDF(32768); |
| fc->txb_skip_cdf[tx_size][ctx][2] = 0; |
| } |
| } |
| |
| for (plane = 0; plane < PLANE_TYPES; ++plane) { |
| for (ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx) { |
| fc->dc_sign_cdf[plane][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->dc_sign[plane][ctx]); |
| fc->dc_sign_cdf[plane][ctx][1] = AOM_ICDF(32768); |
| fc->dc_sign_cdf[plane][ctx][2] = 0; |
| } |
| } |
| |
| #if CONFIG_LV_MAP_MULTI |
| for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) { |
| for (plane = 0; plane < PLANE_TYPES; ++plane) { |
| #if USE_BASE_EOB_ALPHABET |
| for (ctx = 0; ctx < SIG_COEF_CONTEXTS_EOB; ++ctx) { |
| int p = fc->coeff_base[tx_size][plane][0][SIG_COEF_CONTEXTS - |
| SIG_COEF_CONTEXTS_EOB + ctx] * |
| 128; |
| fc->coeff_base_eob_cdf[tx_size][plane][ctx][0] = AOM_ICDF(p); |
| p += ((32768 - p) * |
| fc->coeff_base[tx_size][plane][1][SIG_COEF_CONTEXTS - |
| SIG_COEF_CONTEXTS_EOB + ctx]) >> |
| 8; |
| fc->coeff_base_eob_cdf[tx_size][plane][ctx][1] = AOM_ICDF(p); |
| fc->coeff_base_eob_cdf[tx_size][plane][ctx][2] = AOM_ICDF(32768); |
| fc->coeff_base_eob_cdf[tx_size][plane][ctx][3] = 0; |
| } |
| #endif |
| for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx) { |
| int p = fc->nz_map[tx_size][plane][ctx] * 128; |
| fc->coeff_base_cdf[tx_size][plane][ctx][0] = AOM_ICDF(p); |
| p += ((32768 - p) * fc->coeff_base[tx_size][plane][0][ctx]) >> 8; |
| fc->coeff_base_cdf[tx_size][plane][ctx][1] = AOM_ICDF(p); |
| p += ((32768 - p) * fc->coeff_base[tx_size][plane][1][ctx]) >> 8; |
| fc->coeff_base_cdf[tx_size][plane][ctx][2] = AOM_ICDF(p); |
| fc->coeff_base_cdf[tx_size][plane][ctx][3] = AOM_ICDF(32768); |
| fc->coeff_base_cdf[tx_size][plane][ctx][4] = 0; |
| } |
| } |
| } |
| #else |
| // Update probability models for non-zero coefficient map and eob flag. |
| for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) { |
| for (plane = 0; plane < PLANE_TYPES; ++plane) { |
| for (int level = 0; level < NUM_BASE_LEVELS; ++level) { |
| for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx) { |
| fc->coeff_base_cdf[tx_size][plane][level][ctx][0] = AOM_ICDF( |
| 128 * (aom_cdf_prob)fc->coeff_base[tx_size][plane][level][ctx]); |
| fc->coeff_base_cdf[tx_size][plane][level][ctx][1] = AOM_ICDF(32768); |
| fc->coeff_base_cdf[tx_size][plane][level][ctx][2] = 0; |
| } |
| } |
| } |
| } |
| #endif |
| |
| for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) { |
| for (plane = 0; plane < PLANE_TYPES; ++plane) { |
| for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx) { |
| #if !CONFIG_LV_MAP_MULTI |
| fc->nz_map_cdf[tx_size][plane][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->nz_map[tx_size][plane][ctx]); |
| fc->nz_map_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768); |
| fc->nz_map_cdf[tx_size][plane][ctx][2] = 0; |
| #endif |
| } |
| for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) { |
| fc->eob_flag_cdf[tx_size][plane][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->eob_flag[tx_size][plane][ctx]); |
| fc->eob_flag_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768); |
| fc->eob_flag_cdf[tx_size][plane][ctx][2] = 0; |
| } |
| |
| for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx) { |
| fc->eob_extra_cdf[tx_size][plane][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->eob_extra[tx_size][plane][ctx]); |
| fc->eob_extra_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768); |
| fc->eob_extra_cdf[tx_size][plane][ctx][2] = 0; |
| } |
| } |
| } |
| |
| for (tx_size = 0; tx_size < TX_SIZES; ++tx_size) { |
| for (plane = 0; plane < PLANE_TYPES; ++plane) { |
| #if CONFIG_LV_MAP_MULTI |
| for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) { |
| #if 0 |
| int p = 32768 - fc->coeff_lps[tx_size][plane][0][ctx] * 128; |
| int sum = p; |
| fc->coeff_br_cdf[tx_size][plane][ctx][0] = AOM_ICDF(sum); |
| p = 32768 - fc->coeff_lps[tx_size][plane][1][ctx] * 128; |
| sum += ((32768 - sum) * p) >> 15; |
| fc->coeff_br_cdf[tx_size][plane][ctx][1] = AOM_ICDF(sum); |
| p = 32768 - fc->coeff_lps[tx_size][plane][2][ctx] * 128; |
| sum += ((32768 - sum) * p) >> 15; |
| fc->coeff_br_cdf[tx_size][plane][ctx][2] = AOM_ICDF(sum); |
| fc->coeff_br_cdf[tx_size][plane][ctx][3] = AOM_ICDF(32768); |
| fc->coeff_br_cdf[tx_size][plane][ctx][4] = 0; |
| // printf("br_cdf: %d %d %2d : %3d %3d %3d\n", tx_size, plane, ctx, |
| // fc->coeff_br_cdf[tx_size][plane][ctx][0] >> 7, |
| // fc->coeff_br_cdf[tx_size][plane][ctx][1] >> 7, |
| // fc->coeff_br_cdf[tx_size][plane][ctx][2] >> 7); |
| #else |
| (void)ctx; // coeff_br_cdf is initialized in init_mode_probs |
| #endif |
| } |
| #else |
| for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) { |
| fc->coeff_lps_cdf[tx_size][plane][ctx][0] = |
| AOM_ICDF(128 * (aom_cdf_prob)fc->coeff_lps[tx_size][plane][ctx]); |
| fc->coeff_lps_cdf[tx_size][plane][ctx][1] = AOM_ICDF(32768); |
| fc->coeff_lps_cdf[tx_size][plane][ctx][2] = 0; |
| } |
| |
| for (int br = 0; br < BASE_RANGE_SETS; ++br) { |
| for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) { |
| fc->coeff_br_cdf[tx_size][plane][br][ctx][0] = AOM_ICDF( |
| 128 * (aom_cdf_prob)fc->coeff_br[tx_size][plane][br][ctx]); |
| fc->coeff_br_cdf[tx_size][plane][br][ctx][1] = AOM_ICDF(32768); |
| fc->coeff_br_cdf[tx_size][plane][br][ctx][2] = 0; |
| } |
| } |
| #endif |
| } |
| } |
| } |
| |
| void av1_init_lv_map(AV1_COMMON *cm) { |
| LV_MAP_CTX_TABLE *coeff_ctx_table = &cm->coeff_ctx_table; |
| for (int row = 0; row < 2; ++row) { |
| for (int col = 0; col < 2; ++col) { |
| for (int sig_mag = 0; sig_mag < 3; ++sig_mag) { |
| for (int count = 0; count < BASE_CONTEXT_POSITION_NUM + 1; ++count) { |
| if (row == 0 && col == 0 && count > 5) continue; |
| if ((row == 0 || col == 0) && count > 8) continue; |
| |
| coeff_ctx_table->base_ctx_table[row][col][sig_mag][count] = |
| get_base_ctx_from_count_mag(row, col, count, sig_mag); |
| } |
| } |
| } |
| } |
| } |
| |
| const int16_t k_eob_group_start[12] = { 0, 1, 2, 3, 5, 9, |
| 17, 33, 65, 129, 257, 513 }; |
| const int16_t k_eob_offset_bits[12] = { 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }; |
| |
| // Note: because of the SSE2 optimization, levels[] must be in the range [0, |
| // 127], inclusive. |
| void av1_get_base_level_counts(const uint8_t *const levels, |
| const int level_minus_1, const int width, |
| const int height, uint8_t *const level_counts) { |
| const int stride = width + TX_PAD_HOR; |
| |
| for (int row = 0; row < height; ++row) { |
| for (int col = 0; col < width; ++col) { |
| level_counts[row * width + col] = |
| get_level_count(levels, stride, row, col, level_minus_1, |
| base_ref_offset, BASE_CONTEXT_POSITION_NUM); |
| } |
| } |
| } |
| |
| // Note: because of the SSE2 optimization, levels[] must be in the range [0, |
| // 127], inclusive. |
| void av1_get_br_level_counts_c(const uint8_t *const levels, const int width, |
| const int height, uint8_t *const level_counts) { |
| const int stride = width + TX_PAD_HOR; |
| const int level_minus_1 = NUM_BASE_LEVELS; |
| |
| for (int row = 0; row < height; ++row) { |
| for (int col = 0; col < width; ++col) { |
| level_counts[row * width + col] = |
| get_level_count(levels, stride, row, col, level_minus_1, |
| br_ref_offset, BR_CONTEXT_POSITION_NUM); |
| } |
| } |
| } |
