#include "rk_aiq_anr_algo_gain.h"
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typedef double FLOAT_GAIN;
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uint32_t FLOAT_LIM2_INT(float In, int bit_deci_dst, int type = 0)
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{
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// would trigger strict-aliasing compile warning on -Os level
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int exp_val = (((uint32_t*)(&In))[0] >> 23) & 0xff;
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uint32_t dst;
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int shf_bit;
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if(exp_val - 127 <= bit_deci_dst || type == 1)
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{
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shf_bit = bit_deci_dst - (exp_val - 127);
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dst = ROUND_F(In * (1 << bit_deci_dst));
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}
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else
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{
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shf_bit = (exp_val - 127) - bit_deci_dst;
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dst = ROUND_F(In / (1 << bit_deci_dst));
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}
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return dst;
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}
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template<typename T>
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T FLOAT_FIX(T In, int bit_inte_dst, int bit_deci_dst)
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{
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uint32_t tmp;
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T out;
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tmp = ROUND_F(In * (1 << bit_deci_dst));
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out = ((FLOAT_GAIN)tmp) / (1 << bit_deci_dst);
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return out;
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}
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int gain_find_data_bits(int data)
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{
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int i, j = 1;
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int bits = 0;
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for(i = 0; i < 32; i++)
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{
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if(data & j)
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{
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bits = i + 1;
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}
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j = j << 1;
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}
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return bits;
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}
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ANRresult_t gain_fix_transfer(RKAnr_Mfnr_Params_Select_t *pMfnrSelect, RKAnr_Gain_Fix_t* pGainFix, ANRExpInfo_t *pExpInfo, float gain_ratio)
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{
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int i;
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double max_val = 0;
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uint16_t sigma_bits_max;
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uint16_t sigma_bits_act = GAIN_SIGMA_BITS_ACT;
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double noise_sigma_dehaze[MAX_INTEPORATATION_LUMAPOINT];
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unsigned short noise_sigma_dehaze_x[MAX_INTEPORATATION_LUMAPOINT];
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LOGI_ANR("%s:(%d) oyyf bayerner xml config start\n", __FUNCTION__, __LINE__);
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if(pMfnrSelect == NULL) {
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LOGE_ANR("%s(%d): null pointer\n", __FUNCTION__, __LINE__);
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return ANR_RET_NULL_POINTER;
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}
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if(pGainFix == NULL) {
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LOGE_ANR("%s(%d): null pointer\n", __FUNCTION__, __LINE__);
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return ANR_RET_NULL_POINTER;
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}
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if(pExpInfo == NULL) {
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LOGE_ANR("%s(%d): null pointer\n", __FUNCTION__, __LINE__);
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return ANR_RET_NULL_POINTER;
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}
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//pGainFix->gain_table_en = 1;
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memcpy(noise_sigma_dehaze, pMfnrSelect->noise_sigma_dehaze, sizeof(pMfnrSelect->noise_sigma_dehaze));
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for(i = 0; i < MAX_INTEPORATATION_LUMAPOINT - 2; i++) {
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pGainFix->idx[i] = pMfnrSelect->fix_x_pos_dehaze[i + 1];
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if(pGainFix->idx[i] > 255) {
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pGainFix->idx[i] = 255;
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}
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LOGD_ANR("%s:%d sigma x: %d\n", __FUNCTION__, __LINE__, pGainFix->idx[i]);
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}
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for(i = 0; i < MAX_INTEPORATATION_LUMAPOINT; i++) {
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if(max_val < pMfnrSelect->noise_sigma_dehaze[i])
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max_val = pMfnrSelect->noise_sigma_dehaze[i];
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}
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sigma_bits_max = gain_find_data_bits((int)max_val);//CEIL(log((FLOAT_GAIN)max_val) / log((float)2));
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for(i = 0; i < MAX_INTEPORATATION_LUMAPOINT; i++) {
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noise_sigma_dehaze[i] = FLOAT_FIX(pMfnrSelect->noise_sigma_dehaze[i], sigma_bits_max, sigma_bits_act - sigma_bits_max);
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}
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for(int i = 0; i < MAX_INTEPORATATION_LUMAPOINT; i++)
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{
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pGainFix->lut[i] = FLOAT_LIM2_INT((float)noise_sigma_dehaze[i], sigma_bits_act - sigma_bits_max);
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}
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#if 1
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pGainFix->dhaz_en = 1;
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pGainFix->wdr_en = 0;
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pGainFix->tmo_en = 1;
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pGainFix->lsc_en = 1;
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pGainFix->mge_en = 1;
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#endif
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int hdr_frameNum = pExpInfo->hdr_mode + 1;
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if(hdr_frameNum > 1)
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{
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float frameiso[3];
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float frameEt[3];
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float frame_exp_val[3];
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float frame_exp_ratio[3];
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float dGain[3];
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for (int i = 0; i < hdr_frameNum; i++) {
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frameiso[i] = pExpInfo->arAGain[i];
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frameEt[i] = pExpInfo->arTime[i];
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LOGD_ANR("%s:%d idx:%d gain:%f time:%f exp:%f\n",
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__FUNCTION__, __LINE__, i,
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pExpInfo->arAGain[i], pExpInfo->arTime[i],
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pExpInfo->arAGain[i] * pExpInfo->arTime[i]);
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}
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for (int i = 0; i < 3; i++) {
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if(i >= hdr_frameNum) {
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frame_exp_val[i] = frame_exp_val[hdr_frameNum - 1];
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frameiso[i] = frameiso[hdr_frameNum - 1];
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} else {
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frame_exp_val[i] = frameiso[i] * frameEt[i];
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frameiso[i] = frameiso[i] * 50;
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}
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}
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for (int i = 0; i < 3; i++) {
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frame_exp_ratio[i] = frame_exp_val[hdr_frameNum - 1] / frame_exp_val[i];
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}
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for (int i = 2; i >= 0; i--) {
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dGain[i] = (frame_exp_ratio[i] * pExpInfo->arAGain[i] * pExpInfo->arDGain[i]);
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LOGD_ANR("%s:%d idx:%d ratio:%f dgain %f\n",
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__FUNCTION__, __LINE__, i,
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frame_exp_ratio[i], dGain[i]);
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pGainFix->mge_gain[i] = FLOAT_LIM2_INT(dGain[i] * gain_ratio, GAIN_HDR_MERGE_IN_FIX_BITS_DECI, 1); // 12:6
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if(i == 0)
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pGainFix->mge_gain[i] = MIN(pGainFix->mge_gain[i], (1 << (GAIN_HDR_MERGE_IN2_FIX_BITS_INTE + GAIN_HDR_MERGE_IN_FIX_BITS_DECI)) - 1);
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else
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pGainFix->mge_gain[i] = MIN(pGainFix->mge_gain[i], (1 << (GAIN_HDR_MERGE_IN0_FIX_BITS_INTE + GAIN_HDR_MERGE_IN_FIX_BITS_DECI)) - 1);
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}
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}
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else
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{
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pGainFix->mge_gain[0] = FLOAT_LIM2_INT(pExpInfo->arAGain[0] * pExpInfo->arDGain[0] * gain_ratio, GAIN_HDR_MERGE_IN_FIX_BITS_DECI, 1); // 12:6
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pGainFix->mge_gain[1] = FLOAT_LIM2_INT(pExpInfo->arAGain[0] * pExpInfo->arDGain[0] * gain_ratio, GAIN_HDR_MERGE_IN_FIX_BITS_DECI, 1); // 12:6
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pGainFix->mge_gain[2] = FLOAT_LIM2_INT(pExpInfo->arAGain[0] * pExpInfo->arDGain[0] * gain_ratio, GAIN_HDR_MERGE_IN_FIX_BITS_DECI, 1); // 12:6
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}
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return ANR_RET_SUCCESS;
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}
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