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refactor: simplify logic for saving results (#1149)
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leejet
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@ -370,6 +370,95 @@ std::string format_frame_idx(std::string pattern, int frame_idx) {
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return result;
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}
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bool save_results(const SDCliParams& cli_params,
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const SDContextParams& ctx_params,
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const SDGenerationParams& gen_params,
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sd_image_t* results,
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int num_results) {
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if (results == nullptr || num_results <= 0) {
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return false;
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}
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namespace fs = std::filesystem;
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fs::path out_path = cli_params.output_path;
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if (!out_path.parent_path().empty()) {
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std::error_code ec;
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fs::create_directories(out_path.parent_path(), ec);
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if (ec) {
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LOG_ERROR("failed to create directory '%s': %s",
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out_path.parent_path().string().c_str(), ec.message().c_str());
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return false;
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}
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}
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fs::path base_path = out_path;
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fs::path ext = out_path.has_extension() ? out_path.extension() : fs::path{};
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if (!ext.empty())
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base_path.replace_extension();
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std::string ext_lower = ext.string();
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std::transform(ext_lower.begin(), ext_lower.end(), ext_lower.begin(), ::tolower);
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bool is_jpg = (ext_lower == ".jpg" || ext_lower == ".jpeg" || ext_lower == ".jpe");
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int output_begin_idx = cli_params.output_begin_idx;
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if (output_begin_idx < 0) {
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output_begin_idx = 0;
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}
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auto write_image = [&](const fs::path& path, int idx) {
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const sd_image_t& img = results[idx];
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if (!img.data)
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return;
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std::string params = get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + idx);
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int ok = 0;
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if (is_jpg) {
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ok = stbi_write_jpg(path.string().c_str(), img.width, img.height, img.channel, img.data, 90, params.c_str());
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} else {
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ok = stbi_write_png(path.string().c_str(), img.width, img.height, img.channel, img.data, 0, params.c_str());
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}
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LOG_INFO("save result image %d to '%s' (%s)", idx, path.string().c_str(), ok ? "success" : "failure");
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};
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if (std::regex_search(cli_params.output_path, format_specifier_regex)) {
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if (!is_jpg && ext_lower != ".png")
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ext = ".png";
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fs::path pattern = base_path;
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pattern += ext;
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for (int i = 0; i < num_results; ++i) {
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fs::path img_path = format_frame_idx(pattern.string(), output_begin_idx + i);
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write_image(img_path, i);
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}
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return true;
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}
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if (cli_params.mode == VID_GEN && num_results > 1) {
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if (ext_lower != ".avi")
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ext = ".avi";
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fs::path video_path = base_path;
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video_path += ext;
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create_mjpg_avi_from_sd_images(video_path.string().c_str(), results, num_results, gen_params.fps);
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LOG_INFO("save result MJPG AVI video to '%s'", video_path.string().c_str());
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return true;
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}
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if (!is_jpg && ext_lower != ".png")
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ext = ".png";
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for (int i = 0; i < num_results; ++i) {
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fs::path img_path = base_path;
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if (num_results > 1) {
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img_path += "_" + std::to_string(output_begin_idx + i);
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}
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img_path += ext;
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write_image(img_path, i);
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}
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return true;
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}
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int main(int argc, const char* argv[]) {
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if (argc > 1 && std::string(argv[1]) == "--version") {
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std::cout << version_string() << "\n";
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@ -713,101 +802,8 @@ int main(int argc, const char* argv[]) {
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}
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}
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// create directory if not exists
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{
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const fs::path out_path = cli_params.output_path;
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if (const fs::path out_dir = out_path.parent_path(); !out_dir.empty()) {
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std::error_code ec;
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fs::create_directories(out_dir, ec); // OK if already exists
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if (ec) {
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LOG_ERROR("failed to create directory '%s': %s",
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out_dir.string().c_str(), ec.message().c_str());
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return 1;
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}
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}
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}
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std::string base_path;
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std::string file_ext;
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std::string file_ext_lower;
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bool is_jpg;
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size_t last_dot_pos = cli_params.output_path.find_last_of(".");
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size_t last_slash_pos = std::min(cli_params.output_path.find_last_of("/"),
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cli_params.output_path.find_last_of("\\"));
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if (last_dot_pos != std::string::npos && (last_slash_pos == std::string::npos || last_dot_pos > last_slash_pos)) { // filename has extension
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base_path = cli_params.output_path.substr(0, last_dot_pos);
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file_ext = file_ext_lower = cli_params.output_path.substr(last_dot_pos);
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std::transform(file_ext.begin(), file_ext.end(), file_ext_lower.begin(), ::tolower);
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is_jpg = (file_ext_lower == ".jpg" || file_ext_lower == ".jpeg" || file_ext_lower == ".jpe");
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} else {
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base_path = cli_params.output_path;
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file_ext = file_ext_lower = "";
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is_jpg = false;
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}
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if (std::regex_search(cli_params.output_path, format_specifier_regex)) {
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std::string final_output_path = cli_params.output_path;
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if (cli_params.output_begin_idx == -1) {
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cli_params.output_begin_idx = 0;
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}
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// writing image sequence, default to PNG
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if (!is_jpg && file_ext_lower != ".png") {
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base_path += file_ext;
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file_ext = ".png";
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}
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final_output_path = base_path + file_ext;
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for (int i = 0; i < num_results; i++) {
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if (results[i].data == nullptr) {
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continue;
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}
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std::string final_image_path = format_frame_idx(final_output_path, cli_params.output_begin_idx + i);
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if (is_jpg) {
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int write_ok = stbi_write_jpg(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
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results[i].data, 90, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
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LOG_INFO("save result JPEG image %d to '%s' (%s)", i, final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
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} else {
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int write_ok = stbi_write_png(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
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results[i].data, 0, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
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LOG_INFO("save result PNG image %d to '%s' (%s)", i, final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
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}
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}
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} else if (cli_params.mode == VID_GEN && num_results > 1) {
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std::string final_output_path = cli_params.output_path;
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if (file_ext_lower != ".avi") {
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if (!is_jpg && file_ext_lower != ".png") {
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base_path += file_ext;
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}
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file_ext = ".avi";
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final_output_path = base_path + file_ext;
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}
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create_mjpg_avi_from_sd_images(final_output_path.c_str(), results, num_results, gen_params.fps);
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LOG_INFO("save result MJPG AVI video to '%s'\n", final_output_path.c_str());
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} else {
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// appending ".png" to absent or unknown extension
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if (!is_jpg && file_ext_lower != ".png") {
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base_path += file_ext;
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file_ext = ".png";
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}
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if (cli_params.output_begin_idx == -1) {
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cli_params.output_begin_idx = 1;
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}
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for (int i = 0; i < num_results; i++) {
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if (results[i].data == nullptr) {
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continue;
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}
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int write_ok;
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std::string final_image_path;
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final_image_path = i > 0 ? base_path + "_" + std::to_string(cli_params.output_begin_idx + i) + file_ext : base_path + file_ext;
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if (is_jpg) {
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write_ok = stbi_write_jpg(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
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results[i].data, 90, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
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LOG_INFO("save result JPEG image to '%s' (%s)", final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
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} else {
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write_ok = stbi_write_png(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
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results[i].data, 0, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
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LOG_INFO("save result PNG image to '%s' (%s)", final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
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}
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}
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if (!save_results(cli_params, ctx_params, gen_params, results, num_results)) {
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return 1;
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}
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for (int i = 0; i < num_results; i++) {
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