1 /*
2 * x3a_ciq_tnr_tuning_handler.cpp - x3a Common IQ TNR tuning handler
3 *
4 * Copyright (c) 2014-2015 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: Zong Wei <wei.zong@intel.com>
19 */
20
21 #include "x3a_analyzer.h"
22 #include "x3a_ciq_tuning_handler.h"
23 #include "x3a_ciq_tnr_tuning_handler.h"
24
25 namespace XCam {
26
27 typedef struct _X3aCiqTnrTuningStaticData {
28 double analog_gain;
29 double yuv_gain;
30 double y_threshold;
31 double uv_threshold;
32 double rgb_gain;
33 double r_threshold;
34 double g_threshold;
35 double b_threshold;
36 } X3aCiqTnrTuningStaticData;
37
38 const X3aCiqTnrTuningStaticData imx185_tuning[X3A_CIQ_GAIN_STEPS] = {
39 {1.0, 1.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0},
40 {16.98, 0.8, 0.0081, 0.00725, 0.2, 0.0253, 0.0158, 0.0168},
41 {49.55, 0.5, 0.0146, 0.0128, 0.4, 0.0434, 0.0274, 0.0317},
42 {139.63, 0.3, 0.0247, 0.0253, 0.8, 0.0602, 0.0377, 0.0445},
43 {X3A_CIQ_GAIN_MAX, 0.2, 0.0358, 0.0329, 1.0, 0.0994, 0.0696, 0.0924},
44 };
45
X3aCiqTnrTuningHandler()46 X3aCiqTnrTuningHandler::X3aCiqTnrTuningHandler ()
47 : X3aCiqTuningHandler ("X3aCiqTnrTuningHandler")
48 {
49 }
50
~X3aCiqTnrTuningHandler()51 X3aCiqTnrTuningHandler::~X3aCiqTnrTuningHandler ()
52 {
53 }
54
55 XCamReturn
analyze(X3aResultList & output)56 X3aCiqTnrTuningHandler::analyze (X3aResultList &output)
57 {
58 XCamReturn ret = XCAM_RETURN_NO_ERROR;
59
60 const X3aCiqTnrTuningStaticData* tuning = imx185_tuning;
61 if (NULL != _tuning_data) {
62 tuning = (X3aCiqTnrTuningStaticData*)_tuning_data;;
63 }
64
65 XCam3aResultTemporalNoiseReduction config;
66 SmartPtr<X3aTemporalNoiseReduction> nr_result = new X3aTemporalNoiseReduction (XCAM_3A_RESULT_3D_NOISE_REDUCTION);
67 SmartPtr<X3aTemporalNoiseReduction> yuv_result = new X3aTemporalNoiseReduction (XCAM_3A_RESULT_TEMPORAL_NOISE_REDUCTION_YUV);
68
69 int64_t et = get_current_exposure_time ();
70 double analog_gain = get_current_analog_gain ();
71 double max_analog_gain = get_max_analog_gain ();
72 XCAM_UNUSED (et);
73 XCAM_UNUSED (max_analog_gain);
74 XCAM_LOG_DEBUG ("get current AG = (%f), max AG = (%f), et = (%" PRId64 ")", analog_gain, max_analog_gain, et);
75
76 uint8_t i_curr = 0;
77 uint8_t i_prev = 0;
78 for (i_curr = 0; i_curr < X3A_CIQ_GAIN_STEPS; i_curr++) {
79 if (analog_gain <= tuning[i_curr].analog_gain) {
80 break;
81 }
82 i_prev = i_curr;
83 }
84 if (i_curr >= X3A_CIQ_GAIN_STEPS) {
85 i_curr = X3A_CIQ_GAIN_STEPS - 1;
86 }
87
88 //Calculate YUV config
89 xcam_mem_clear (config);
90 config.gain = linear_interpolate_p2 (tuning[i_prev].yuv_gain, tuning[i_curr].yuv_gain,
91 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
92
93 config.threshold[0] = linear_interpolate_p2 (tuning[i_prev].y_threshold, tuning[i_curr].y_threshold,
94 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
95
96 config.threshold[1] = linear_interpolate_p2 (tuning[i_prev].uv_threshold, tuning[i_curr].uv_threshold,
97 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
98
99 config.threshold[2] = 0.0;
100 XCAM_LOG_DEBUG ("Calculate YUV temporal noise reduction config: yuv_gain(%f), y_threshold(%f), uv_threshold(%f)",
101 config.gain, config.threshold[0], config.threshold[1]);
102
103 yuv_result->set_standard_result (config);
104 output.push_back (yuv_result);
105
106 //Calculate 3D NR config
107 xcam_mem_clear (config);
108 config.gain = linear_interpolate_p2 (tuning[i_prev].rgb_gain, tuning[i_curr].rgb_gain,
109 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
110
111 config.threshold[0] = linear_interpolate_p2 (tuning[i_prev].r_threshold, tuning[i_curr].r_threshold,
112 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
113
114 config.threshold[1] = linear_interpolate_p2 (tuning[i_prev].g_threshold, tuning[i_curr].g_threshold,
115 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
116
117 config.threshold[2] = linear_interpolate_p2 (tuning[i_prev].b_threshold, tuning[i_curr].b_threshold,
118 tuning[i_prev].analog_gain, tuning[i_curr].analog_gain, analog_gain);
119
120 XCAM_LOG_DEBUG ("Calculate 3D noise reduction config: gain(%f), y_threshold(%f), uv_threshold(%f)",
121 config.gain, config.threshold[0], config.threshold[1]);
122
123 nr_result->set_standard_result (config);
124 output.push_back (nr_result);
125
126 return ret;
127 }
128
129 };
130