| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AOM_DSP_PROB_H_ |
| #define AOM_AOM_DSP_PROB_H_ |
| |
| #include <assert.h> |
| #include <stdio.h> |
| |
| #include "config/aom_config.h" |
| |
| #include "aom_dsp/aom_dsp_common.h" |
| #include "aom_dsp/entcode.h" |
| #include "aom_ports/bitops.h" |
| #include "aom_ports/mem.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| typedef uint16_t aom_cdf_prob; |
| |
| #define CDF_SIZE(x) ((x) + 1) |
| #define CDF_PROB_BITS 15 |
| #define CDF_PROB_TOP (1 << CDF_PROB_BITS) |
| #define CDF_INIT_TOP 32768 |
| #define CDF_SHIFT (15 - CDF_PROB_BITS) |
| /*The value stored in an iCDF is CDF_PROB_TOP minus the actual cumulative |
| probability (an "inverse" CDF). |
| This function converts from one representation to the other (and is its own |
| inverse).*/ |
| #define AOM_ICDF(x) (CDF_PROB_TOP - (x)) |
| |
| #if CDF_SHIFT == 0 |
| |
| #define AOM_CDF2(a0) AOM_ICDF(a0), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF3(a0, a1) AOM_ICDF(a0), AOM_ICDF(a1), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF4(a0, a1, a2) \ |
| AOM_ICDF(a0), AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF5(a0, a1, a2, a3) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF6(a0, a1, a2, a3, a4) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF7(a0, a1, a2, a3, a4, a5) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF8(a0, a1, a2, a3, a4, a5, a6) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF9(a0, a1, a2, a3, a4, a5, a6, a7) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF10(a0, a1, a2, a3, a4, a5, a6, a7, a8) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF11(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF12(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), AOM_ICDF(a10), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF13(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), AOM_ICDF(a10), \ |
| AOM_ICDF(a11), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF14(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), AOM_ICDF(a10), \ |
| AOM_ICDF(a11), AOM_ICDF(a12), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF15(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), AOM_ICDF(a10), \ |
| AOM_ICDF(a11), AOM_ICDF(a12), AOM_ICDF(a13), AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF16(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, \ |
| a14) \ |
| AOM_ICDF(a0) \ |
| , AOM_ICDF(a1), AOM_ICDF(a2), AOM_ICDF(a3), AOM_ICDF(a4), AOM_ICDF(a5), \ |
| AOM_ICDF(a6), AOM_ICDF(a7), AOM_ICDF(a8), AOM_ICDF(a9), AOM_ICDF(a10), \ |
| AOM_ICDF(a11), AOM_ICDF(a12), AOM_ICDF(a13), AOM_ICDF(a14), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| |
| #else |
| #define AOM_CDF2(a0) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 2) + \ |
| ((CDF_INIT_TOP - 2) >> 1)) / \ |
| ((CDF_INIT_TOP - 2)) + \ |
| 1) \ |
| , AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF3(a0, a1) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 3) + \ |
| ((CDF_INIT_TOP - 3) >> 1)) / \ |
| ((CDF_INIT_TOP - 3)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 3) + \ |
| ((CDF_INIT_TOP - 3) >> 1)) / \ |
| ((CDF_INIT_TOP - 3)) + \ |
| 2), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF4(a0, a1, a2) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 4) + \ |
| ((CDF_INIT_TOP - 4) >> 1)) / \ |
| ((CDF_INIT_TOP - 4)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 4) + \ |
| ((CDF_INIT_TOP - 4) >> 1)) / \ |
| ((CDF_INIT_TOP - 4)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 4) + \ |
| ((CDF_INIT_TOP - 4) >> 1)) / \ |
| ((CDF_INIT_TOP - 4)) + \ |
| 3), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF5(a0, a1, a2, a3) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 5) + \ |
| ((CDF_INIT_TOP - 5) >> 1)) / \ |
| ((CDF_INIT_TOP - 5)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 5) + \ |
| ((CDF_INIT_TOP - 5) >> 1)) / \ |
| ((CDF_INIT_TOP - 5)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 5) + \ |
| ((CDF_INIT_TOP - 5) >> 1)) / \ |
| ((CDF_INIT_TOP - 5)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 5) + \ |
| ((CDF_INIT_TOP - 5) >> 1)) / \ |
| ((CDF_INIT_TOP - 5)) + \ |
| 4), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF6(a0, a1, a2, a3, a4) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 6) + \ |
| ((CDF_INIT_TOP - 6) >> 1)) / \ |
| ((CDF_INIT_TOP - 6)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 6) + \ |
| ((CDF_INIT_TOP - 6) >> 1)) / \ |
| ((CDF_INIT_TOP - 6)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 6) + \ |
| ((CDF_INIT_TOP - 6) >> 1)) / \ |
| ((CDF_INIT_TOP - 6)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 6) + \ |
| ((CDF_INIT_TOP - 6) >> 1)) / \ |
| ((CDF_INIT_TOP - 6)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 6) + \ |
| ((CDF_INIT_TOP - 6) >> 1)) / \ |
| ((CDF_INIT_TOP - 6)) + \ |
| 5), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF7(a0, a1, a2, a3, a4, a5) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 7) + \ |
| ((CDF_INIT_TOP - 7) >> 1)) / \ |
| ((CDF_INIT_TOP - 7)) + \ |
| 6), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF8(a0, a1, a2, a3, a4, a5, a6) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 8) + \ |
| ((CDF_INIT_TOP - 8) >> 1)) / \ |
| ((CDF_INIT_TOP - 8)) + \ |
| 7), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF9(a0, a1, a2, a3, a4, a5, a6, a7) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 9) + \ |
| ((CDF_INIT_TOP - 9) >> 1)) / \ |
| ((CDF_INIT_TOP - 9)) + \ |
| 8), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF10(a0, a1, a2, a3, a4, a5, a6, a7, a8) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 10) + \ |
| ((CDF_INIT_TOP - 10) >> 1)) / \ |
| ((CDF_INIT_TOP - 10)) + \ |
| 9), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF11(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 11) + \ |
| ((CDF_INIT_TOP - 11) >> 1)) / \ |
| ((CDF_INIT_TOP - 11)) + \ |
| 10), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF12(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 10), \ |
| AOM_ICDF((((a10)-11) * ((CDF_INIT_TOP >> CDF_SHIFT) - 12) + \ |
| ((CDF_INIT_TOP - 12) >> 1)) / \ |
| ((CDF_INIT_TOP - 12)) + \ |
| 11), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF13(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 10), \ |
| AOM_ICDF((((a10)-11) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 11), \ |
| AOM_ICDF((((a11)-12) * ((CDF_INIT_TOP >> CDF_SHIFT) - 13) + \ |
| ((CDF_INIT_TOP - 13) >> 1)) / \ |
| ((CDF_INIT_TOP - 13)) + \ |
| 12), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF14(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 10), \ |
| AOM_ICDF((((a10)-11) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 11), \ |
| AOM_ICDF((((a11)-12) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 12), \ |
| AOM_ICDF((((a12)-13) * ((CDF_INIT_TOP >> CDF_SHIFT) - 14) + \ |
| ((CDF_INIT_TOP - 14) >> 1)) / \ |
| ((CDF_INIT_TOP - 14)) + \ |
| 13), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF15(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 10), \ |
| AOM_ICDF((((a10)-11) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 11), \ |
| AOM_ICDF((((a11)-12) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 12), \ |
| AOM_ICDF((((a12)-13) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 13), \ |
| AOM_ICDF((((a13)-14) * ((CDF_INIT_TOP >> CDF_SHIFT) - 15) + \ |
| ((CDF_INIT_TOP - 15) >> 1)) / \ |
| ((CDF_INIT_TOP - 15)) + \ |
| 14), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| #define AOM_CDF16(a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12, a13, \ |
| a14) \ |
| AOM_ICDF((((a0)-1) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 1) \ |
| , \ |
| AOM_ICDF((((a1)-2) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 2), \ |
| AOM_ICDF((((a2)-3) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 3), \ |
| AOM_ICDF((((a3)-4) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 4), \ |
| AOM_ICDF((((a4)-5) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 5), \ |
| AOM_ICDF((((a5)-6) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 6), \ |
| AOM_ICDF((((a6)-7) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 7), \ |
| AOM_ICDF((((a7)-8) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 8), \ |
| AOM_ICDF((((a8)-9) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 9), \ |
| AOM_ICDF((((a9)-10) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 10), \ |
| AOM_ICDF((((a10)-11) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 11), \ |
| AOM_ICDF((((a11)-12) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 12), \ |
| AOM_ICDF((((a12)-13) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 13), \ |
| AOM_ICDF((((a13)-14) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 14), \ |
| AOM_ICDF((((a14)-15) * ((CDF_INIT_TOP >> CDF_SHIFT) - 16) + \ |
| ((CDF_INIT_TOP - 16) >> 1)) / \ |
| ((CDF_INIT_TOP - 16)) + \ |
| 15), \ |
| AOM_ICDF(CDF_PROB_TOP), 0 |
| |
| #endif |
| |
| static INLINE uint8_t get_prob(unsigned int num, unsigned int den) { |
| assert(den != 0); |
| { |
| const int p = (int)(((uint64_t)num * 256 + (den >> 1)) / den); |
| // (p > 255) ? 255 : (p < 1) ? 1 : p; |
| const int clipped_prob = p | ((255 - p) >> 23) | (p == 0); |
| return (uint8_t)clipped_prob; |
| } |
| } |
| |
| static INLINE void update_cdf(aom_cdf_prob *cdf, int8_t val, int nsymbs) { |
| int rate; |
| int i, tmp; |
| |
| static const int nsymbs2speed[17] = { 0, 0, 1, 1, 2, 2, 2, 2, 2, |
| 2, 2, 2, 2, 2, 2, 2, 2 }; |
| assert(nsymbs < 17); |
| rate = 3 + (cdf[nsymbs] > 15) + (cdf[nsymbs] > 31) + |
| nsymbs2speed[nsymbs]; // + get_msb(nsymbs); |
| tmp = AOM_ICDF(0); |
| |
| // Single loop (faster) |
| for (i = 0; i < nsymbs - 1; ++i) { |
| tmp = (i == val) ? 0 : tmp; |
| if (tmp < cdf[i]) { |
| cdf[i] -= ((cdf[i] - tmp) >> rate); |
| } else { |
| cdf[i] += ((tmp - cdf[i]) >> rate); |
| } |
| } |
| cdf[nsymbs] += (cdf[nsymbs] < 32); |
| } |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AOM_DSP_PROB_H_ |
