64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
#include "dcp.h"
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#include <libdng.h>
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#include <libmegapixels.h>
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#include <malloc.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#ifndef SYSCONFDIR
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#include "config.h"
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#endif
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bool
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find_calibration_by_model(char *conffile, char *model, const char *sensor)
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{
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static const char *paths[] = {
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"config/%s,%s.dcp",
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SYSCONFDIR "/megapixels/config/%s,%s.dcp",
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DATADIR "/megapixels/config/%s,%s.dcp",
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NULL
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};
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for (const char *fmt = paths[0]; fmt; fmt++) {
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sprintf(conffile, fmt, model, sensor);
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if (access(conffile, F_OK) != -1) {
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printf("Found calibration file at %s\n", conffile);
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return true;
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}
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}
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printf("No calibration found for %s,%s\n", model, sensor);
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return false;
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}
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bool
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find_calibration(char *conffile, const char *sensor)
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{
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char model[512];
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int model_found = libmegapixels_get_model(sizeof(model), model);
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if (!model_found)
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return false;
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return find_calibration_by_model(conffile, model, sensor);
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}
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struct MPCameraCalibration
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parse_calibration_file(const char *path)
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{
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struct MPCameraCalibration result;
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libdng_info temp = { 0 };
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libdng_new(&temp);
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libdng_load_calibration_file(&temp, path);
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memcpy(result.color_matrix_1, temp.color_matrix_1, 9 * sizeof(float));
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memcpy(result.color_matrix_2, temp.color_matrix_2, 9 * sizeof(float));
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memcpy(result.forward_matrix_1, temp.forward_matrix_1, 9 * sizeof(float));
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memcpy(result.forward_matrix_2, temp.forward_matrix_2, 9 * sizeof(float));
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result.tone_curve_length = temp.tone_curve_length;
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result.tone_curve = malloc(temp.tone_curve_length * sizeof(float));
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memcpy(result.tone_curve,
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temp.tone_curve,
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temp.tone_curve_length * sizeof(float));
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return result;
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}
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