1 /*
2 * x3a_ciq_bnr_ee_tuning_handler.cpp - x3a Common IQ Bayer NR EE tuning handler
3 *
4 * Copyright (c) 2015 Intel Corporation
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 *
18 * Author: Wangfei <feix.w.wang@intel.com>
19 */
20
21 #include "x3a_analyzer.h"
22 #include "x3a_ciq_tuning_handler.h"
23 #include "x3a_ciq_bnr_ee_tuning_handler.h"
24
25 namespace XCam {
26
27 typedef struct _X3aCiqBnrEeTuningStaticData {
28 double analog_gain;
29 double ee_gain;
30 double ee_threshold;
31 } X3aCiqBnrEeTuningStaticData;
32
33 double table_2_0[XCAM_BNR_TABLE_SIZE] = {
34 3.978874, 3.966789, 3.930753, 3.871418, 3.789852, 3.687501, 3.566151, 3.427876, 3.274977, 3.109920,
35 2.935268, 2.753622, 2.567547, 2.379525, 2.191896, 2.006815, 1.826218, 1.651792, 1.484965, 1.326889,
36 1.178449, 1.040267, 0.912718, 0.795950, 0.689911, 0.594371, 0.508957, 0.433173, 0.366437, 0.308103,
37 0.257483, 0.213875, 0.176575, 0.144896, 0.118179, 0.095804, 0.077194, 0.061822, 0.049210, 0.038934,
38 0.030617, 0.023930, 0.018591, 0.014355, 0.011017, 0.008404, 0.006372, 0.004802, 0.003597, 0.002678,
39 0.001981, 0.001457, 0.001065, 0.000774, 0.000559, 0.000401, 0.000286, 0.000203, 0.000143, 0.000100,
40 0.000070, 0.000048, 0.000033, 0.000023
41 };
42
43 double table_0_0_5[XCAM_BNR_TABLE_SIZE] = {
44 63.661991, 60.628166, 52.366924, 41.023067, 29.146584, 18.781729, 10.976704, 6.000000, 6.000000, 6.000000,
45 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000,
46 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000,
47 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000,
48 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000,
49 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000, 6.000000,
50 6.000000, 6.000000, 6.000000, 6.000000
51 };
52
53 const X3aCiqBnrEeTuningStaticData imx185_tuning[X3A_CIQ_EE_GAIN_STEPS] = {
54 {1.0, 2.5, 0.008},
55 {4.0, 1.8, 0.012},
56 {16.98, 1.1, 0.02},
57 {49.55, 0.8, 0.06},
58 {139.63, 0.07, 0.1},
59 {X3A_CIQ_GAIN_MAX, 0.03, 0.4},
60 };
61
X3aCiqBnrEeTuningHandler()62 X3aCiqBnrEeTuningHandler::X3aCiqBnrEeTuningHandler ()
63 : X3aCiqTuningHandler ("X3aCiqBnrEeTuningHandler")
64 {
65 }
66
~X3aCiqBnrEeTuningHandler()67 X3aCiqBnrEeTuningHandler::~X3aCiqBnrEeTuningHandler ()
68 {
69 }
70
71 XCamReturn
analyze(X3aResultList & output)72 X3aCiqBnrEeTuningHandler::analyze (X3aResultList &output)
73 {
74 XCamReturn ret = XCAM_RETURN_NO_ERROR;
75
76 const X3aCiqBnrEeTuningStaticData* tuning = imx185_tuning;
77 if (NULL != _tuning_data) {
78 tuning = (X3aCiqBnrEeTuningStaticData*)_tuning_data;;
79 }
80
81 XCam3aResultBayerNoiseReduction bnr_config;
82 XCam3aResultEdgeEnhancement ee_config;
83 SmartPtr<X3aBayerNoiseReduction> bnr_result = new X3aBayerNoiseReduction (XCAM_3A_RESULT_BAYER_NOISE_REDUCTION);
84 SmartPtr<X3aEdgeEnhancementResult> ee_result = new X3aEdgeEnhancementResult (XCAM_3A_RESULT_EDGE_ENHANCEMENT);
85
86 double analog_gain = get_current_analog_gain ();
87
88 uint8_t i_curr = 0;
89 uint8_t i_prev = 0;
90 for (i_curr = 0; i_curr < X3A_CIQ_EE_GAIN_STEPS; i_curr++) {
91 if (analog_gain <= tuning[i_curr].analog_gain) {
92 break;
93 }
94 i_prev = i_curr;
95 }
96 if (i_curr >= X3A_CIQ_EE_GAIN_STEPS) {
97 i_curr = X3A_CIQ_EE_GAIN_STEPS - 1;
98 }
99
100 xcam_mem_clear (bnr_config);
101 xcam_mem_clear (ee_config);
102
103 ee_config.gain = linear_interpolate_p2 (tuning[i_prev].ee_gain, tuning[i_curr].ee_gain,
104 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
105
106 ee_config.threshold = linear_interpolate_p2 (tuning[i_prev].ee_threshold, tuning[i_curr].ee_threshold,
107 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
108
109 ee_result->set_standard_result (ee_config);
110 output.push_back (ee_result);
111
112 if(i_curr < 3)
113 memcpy(bnr_config.table, table_0_0_5, XCAM_BNR_TABLE_SIZE * sizeof(double));
114 else
115 memcpy(bnr_config.table, table_2_0, XCAM_BNR_TABLE_SIZE * sizeof(double));
116
117 bnr_result->set_standard_result (bnr_config);
118 output.push_back (bnr_result);
119
120 return ret;
121 }
122
123 };
124
125