2025-12-11 00:17:29 +08:00

810 lines
31 KiB
C++

#include <stdio.h>
#include <string.h>
#include <time.h>
#include <cctype>
#include <filesystem>
#include <functional>
#include <iostream>
#include <map>
#include <random>
#include <regex>
#include <sstream>
#include <string>
#include <vector>
// #include "preprocessing.hpp"
#include "stable-diffusion.h"
#include "common/common.hpp"
#include "avi_writer.h"
const char* previews_str[] = {
"none",
"proj",
"tae",
"vae",
};
struct SDCliParams {
SDMode mode = IMG_GEN;
std::string output_path = "output.png";
bool verbose = false;
bool version = false;
bool canny_preprocess = false;
preview_t preview_method = PREVIEW_NONE;
int preview_interval = 1;
std::string preview_path = "preview.png";
int preview_fps = 16;
bool taesd_preview = false;
bool preview_noisy = false;
bool color = false;
bool normal_exit = false;
ArgOptions get_options() {
ArgOptions options;
options.string_options = {
{"-o",
"--output",
"path to write result image to (default: ./output.png)",
&output_path},
{"",
"--preview-path",
"path to write preview image to (default: ./preview.png)",
&preview_path},
};
options.int_options = {
{"",
"--preview-interval",
"interval in denoising steps between consecutive updates of the image preview file (default is 1, meaning updating at every step)",
&preview_interval},
};
options.bool_options = {
{"",
"--canny",
"apply canny preprocessor (edge detection)",
true, &canny_preprocess},
{"-v",
"--verbose",
"print extra info",
true, &verbose},
{"",
"--version",
"print stable-diffusion.cpp version",
true, &version},
{"",
"--color",
"colors the logging tags according to level",
true, &color},
{"",
"--taesd-preview-only",
std::string("prevents usage of taesd for decoding the final image. (for use with --preview ") + previews_str[PREVIEW_TAE] + ")",
true, &taesd_preview},
{"",
"--preview-noisy",
"enables previewing noisy inputs of the models rather than the denoised outputs",
true, &preview_noisy},
};
auto on_mode_arg = [&](int argc, const char** argv, int index) {
if (++index >= argc) {
return -1;
}
const char* mode_c_str = argv[index];
if (mode_c_str != nullptr) {
int mode_found = -1;
for (int i = 0; i < MODE_COUNT; i++) {
if (!strcmp(mode_c_str, modes_str[i])) {
mode_found = i;
}
}
if (mode_found == -1) {
fprintf(stderr,
"error: invalid mode %s, must be one of [%s]\n",
mode_c_str, SD_ALL_MODES_STR);
exit(1);
}
mode = (SDMode)mode_found;
}
return 1;
};
auto on_preview_arg = [&](int argc, const char** argv, int index) {
if (++index >= argc) {
return -1;
}
const char* preview = argv[index];
int preview_found = -1;
for (int m = 0; m < PREVIEW_COUNT; m++) {
if (!strcmp(preview, previews_str[m])) {
preview_found = m;
}
}
if (preview_found == -1) {
fprintf(stderr, "error: preview method %s\n",
preview);
return -1;
}
preview_method = (preview_t)preview_found;
return 1;
};
auto on_help_arg = [&](int argc, const char** argv, int index) {
normal_exit = true;
return -1;
};
options.manual_options = {
{"-M",
"--mode",
"run mode, one of [img_gen, vid_gen, upscale, convert], default: img_gen",
on_mode_arg},
{"",
"--preview",
std::string("preview method. must be one of the following [") + previews_str[0] + ", " + previews_str[1] + ", " + previews_str[2] + ", " + previews_str[3] + "] (default is " + previews_str[PREVIEW_NONE] + ")",
on_preview_arg},
{"-h",
"--help",
"show this help message and exit",
on_help_arg},
};
return options;
};
bool process_and_check() {
if (output_path.length() == 0) {
fprintf(stderr, "error: the following arguments are required: output_path\n");
return false;
}
if (mode == CONVERT) {
if (output_path == "output.png") {
output_path = "output.gguf";
}
}
return true;
}
std::string to_string() const {
std::ostringstream oss;
oss << "SDCliParams {\n"
<< " mode: " << modes_str[mode] << ",\n"
<< " output_path: \"" << output_path << "\",\n"
<< " verbose: " << (verbose ? "true" : "false") << ",\n"
<< " color: " << (color ? "true" : "false") << ",\n"
<< " canny_preprocess: " << (canny_preprocess ? "true" : "false") << ",\n"
<< " preview_method: " << previews_str[preview_method] << ",\n"
<< " preview_interval: " << preview_interval << ",\n"
<< " preview_path: \"" << preview_path << "\",\n"
<< " preview_fps: " << preview_fps << ",\n"
<< " taesd_preview: " << (taesd_preview ? "true" : "false") << ",\n"
<< " preview_noisy: " << (preview_noisy ? "true" : "false") << "\n"
<< "}";
return oss.str();
}
};
void print_usage(int argc, const char* argv[], const std::vector<ArgOptions>& options_list) {
std::cout << version_string() << "\n";
std::cout << "Usage: " << argv[0] << " [options]\n\n";
std::cout << "CLI Options:\n";
options_list[0].print();
std::cout << "\nContext Options:\n";
options_list[1].print();
std::cout << "\nGeneration Options:\n";
options_list[2].print();
}
void parse_args(int argc, const char** argv, SDCliParams& cli_params, SDContextParams& ctx_params, SDGenerationParams& gen_params) {
std::vector<ArgOptions> options_vec = {cli_params.get_options(), ctx_params.get_options(), gen_params.get_options()};
if (!parse_options(argc, argv, options_vec)) {
print_usage(argc, argv, options_vec);
exit(cli_params.normal_exit ? 0 : 1);
}
if (!cli_params.process_and_check() ||
!ctx_params.process_and_check(cli_params.mode) ||
!gen_params.process_and_check(cli_params.mode, ctx_params.lora_model_dir)) {
print_usage(argc, argv, options_vec);
exit(1);
}
}
static std::string sd_basename(const std::string& path) {
size_t pos = path.find_last_of('/');
if (pos != std::string::npos) {
return path.substr(pos + 1);
}
pos = path.find_last_of('\\');
if (pos != std::string::npos) {
return path.substr(pos + 1);
}
return path;
}
std::string get_image_params(const SDCliParams& cli_params, const SDContextParams& ctx_params, const SDGenerationParams& gen_params, int64_t seed) {
std::string parameter_string = gen_params.prompt + "\n";
if (gen_params.negative_prompt.size() != 0) {
parameter_string += "Negative prompt: " + gen_params.negative_prompt + "\n";
}
parameter_string += "Steps: " + std::to_string(gen_params.sample_params.sample_steps) + ", ";
parameter_string += "CFG scale: " + std::to_string(gen_params.sample_params.guidance.txt_cfg) + ", ";
if (gen_params.sample_params.guidance.slg.scale != 0 && gen_params.skip_layers.size() != 0) {
parameter_string += "SLG scale: " + std::to_string(gen_params.sample_params.guidance.txt_cfg) + ", ";
parameter_string += "Skip layers: [";
for (const auto& layer : gen_params.skip_layers) {
parameter_string += std::to_string(layer) + ", ";
}
parameter_string += "], ";
parameter_string += "Skip layer start: " + std::to_string(gen_params.sample_params.guidance.slg.layer_start) + ", ";
parameter_string += "Skip layer end: " + std::to_string(gen_params.sample_params.guidance.slg.layer_end) + ", ";
}
parameter_string += "Guidance: " + std::to_string(gen_params.sample_params.guidance.distilled_guidance) + ", ";
parameter_string += "Eta: " + std::to_string(gen_params.sample_params.eta) + ", ";
parameter_string += "Seed: " + std::to_string(seed) + ", ";
parameter_string += "Size: " + std::to_string(gen_params.width) + "x" + std::to_string(gen_params.height) + ", ";
parameter_string += "Model: " + sd_basename(ctx_params.model_path) + ", ";
parameter_string += "RNG: " + std::string(sd_rng_type_name(ctx_params.rng_type)) + ", ";
if (ctx_params.sampler_rng_type != RNG_TYPE_COUNT) {
parameter_string += "Sampler RNG: " + std::string(sd_rng_type_name(ctx_params.sampler_rng_type)) + ", ";
}
parameter_string += "Sampler: " + std::string(sd_sample_method_name(gen_params.sample_params.sample_method));
if (gen_params.sample_params.scheduler != SCHEDULER_COUNT) {
parameter_string += " " + std::string(sd_scheduler_name(gen_params.sample_params.scheduler));
}
parameter_string += ", ";
for (const auto& te : {ctx_params.clip_l_path, ctx_params.clip_g_path, ctx_params.t5xxl_path, ctx_params.llm_path, ctx_params.llm_vision_path}) {
if (!te.empty()) {
parameter_string += "TE: " + sd_basename(te) + ", ";
}
}
if (!ctx_params.diffusion_model_path.empty()) {
parameter_string += "Unet: " + sd_basename(ctx_params.diffusion_model_path) + ", ";
}
if (!ctx_params.vae_path.empty()) {
parameter_string += "VAE: " + sd_basename(ctx_params.vae_path) + ", ";
}
if (gen_params.clip_skip != -1) {
parameter_string += "Clip skip: " + std::to_string(gen_params.clip_skip) + ", ";
}
parameter_string += "Version: stable-diffusion.cpp";
return parameter_string;
}
/* Enables Printing the log level tag in color using ANSI escape codes */
void sd_log_cb(enum sd_log_level_t level, const char* log, void* data) {
SDCliParams* cli_params = (SDCliParams*)data;
int tag_color;
const char* level_str;
FILE* out_stream = (level == SD_LOG_ERROR) ? stderr : stdout;
if (!log || (!cli_params->verbose && level <= SD_LOG_DEBUG)) {
return;
}
switch (level) {
case SD_LOG_DEBUG:
tag_color = 37;
level_str = "DEBUG";
break;
case SD_LOG_INFO:
tag_color = 34;
level_str = "INFO";
break;
case SD_LOG_WARN:
tag_color = 35;
level_str = "WARN";
break;
case SD_LOG_ERROR:
tag_color = 31;
level_str = "ERROR";
break;
default: /* Potential future-proofing */
tag_color = 33;
level_str = "?????";
break;
}
if (cli_params->color == true) {
fprintf(out_stream, "\033[%d;1m[%-5s]\033[0m ", tag_color, level_str);
} else {
fprintf(out_stream, "[%-5s] ", level_str);
}
fputs(log, out_stream);
fflush(out_stream);
}
bool load_images_from_dir(const std::string dir,
std::vector<sd_image_t>& images,
int expected_width = 0,
int expected_height = 0,
int max_image_num = 0,
bool verbose = false) {
if (!fs::exists(dir) || !fs::is_directory(dir)) {
fprintf(stderr, "'%s' is not a valid directory\n", dir.c_str());
return false;
}
std::vector<fs::directory_entry> entries;
for (const auto& entry : fs::directory_iterator(dir)) {
if (entry.is_regular_file()) {
entries.push_back(entry);
}
}
std::sort(entries.begin(), entries.end(),
[](const fs::directory_entry& a, const fs::directory_entry& b) {
return a.path().filename().string() < b.path().filename().string();
});
for (const auto& entry : entries) {
std::string path = entry.path().string();
std::string ext = entry.path().extension().string();
std::transform(ext.begin(), ext.end(), ext.begin(), ::tolower);
if (ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp") {
if (verbose) {
printf("load image %zu from '%s'\n", images.size(), path.c_str());
}
int width = 0;
int height = 0;
uint8_t* image_buffer = load_image_from_file(path.c_str(), width, height, expected_width, expected_height);
if (image_buffer == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", path.c_str());
return false;
}
images.push_back({(uint32_t)width,
(uint32_t)height,
3,
image_buffer});
if (max_image_num > 0 && images.size() >= max_image_num) {
break;
}
}
}
return true;
}
void step_callback(int step, int frame_count, sd_image_t* image, bool is_noisy, void* data) {
(void)step;
(void)is_noisy;
SDCliParams* cli_params = (SDCliParams*)data;
// is_noisy is set to true if the preview corresponds to noisy latents, false if it's denoised latents
// unused in this app, it will either be always noisy or always denoised here
if (frame_count == 1) {
stbi_write_png(cli_params->preview_path.c_str(), image->width, image->height, image->channel, image->data, 0);
} else {
create_mjpg_avi_from_sd_images(cli_params->preview_path.c_str(), image, frame_count, cli_params->preview_fps);
}
}
int main(int argc, const char* argv[]) {
if (argc > 1 && std::string(argv[1]) == "--version") {
std::cout << version_string() << "\n";
return EXIT_SUCCESS;
}
SDCliParams cli_params;
SDContextParams ctx_params;
SDGenerationParams gen_params;
parse_args(argc, argv, cli_params, ctx_params, gen_params);
if (cli_params.verbose || cli_params.version) {
std::cout << version_string() << "\n";
}
if (gen_params.video_frames > 4) {
size_t last_dot_pos = cli_params.preview_path.find_last_of(".");
std::string base_path = cli_params.preview_path;
std::string file_ext = "";
if (last_dot_pos != std::string::npos) { // filename has extension
base_path = cli_params.preview_path.substr(0, last_dot_pos);
file_ext = cli_params.preview_path.substr(last_dot_pos);
std::transform(file_ext.begin(), file_ext.end(), file_ext.begin(), ::tolower);
}
if (file_ext == ".png") {
cli_params.preview_path = base_path + ".avi";
}
}
cli_params.preview_fps = gen_params.fps;
if (cli_params.preview_method == PREVIEW_PROJ)
cli_params.preview_fps /= 4;
sd_set_log_callback(sd_log_cb, (void*)&cli_params);
sd_set_preview_callback(step_callback,
cli_params.preview_method,
cli_params.preview_interval,
!cli_params.preview_noisy,
cli_params.preview_noisy,
(void*)&cli_params);
if (cli_params.verbose) {
printf("%s", sd_get_system_info());
printf("%s\n", cli_params.to_string().c_str());
printf("%s\n", ctx_params.to_string().c_str());
printf("%s\n", gen_params.to_string().c_str());
}
if (cli_params.mode == CONVERT) {
bool success = convert(ctx_params.model_path.c_str(),
ctx_params.vae_path.c_str(),
cli_params.output_path.c_str(),
ctx_params.wtype,
ctx_params.tensor_type_rules.c_str());
if (!success) {
fprintf(stderr,
"convert '%s'/'%s' to '%s' failed\n",
ctx_params.model_path.c_str(),
ctx_params.vae_path.c_str(),
cli_params.output_path.c_str());
return 1;
} else {
printf("convert '%s'/'%s' to '%s' success\n",
ctx_params.model_path.c_str(),
ctx_params.vae_path.c_str(),
cli_params.output_path.c_str());
return 0;
}
}
bool vae_decode_only = true;
sd_image_t init_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
sd_image_t end_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
sd_image_t control_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 3, nullptr};
sd_image_t mask_image = {(uint32_t)gen_params.width, (uint32_t)gen_params.height, 1, nullptr};
std::vector<sd_image_t> ref_images;
std::vector<sd_image_t> pmid_images;
std::vector<sd_image_t> control_frames;
auto release_all_resources = [&]() {
free(init_image.data);
free(end_image.data);
free(control_image.data);
free(mask_image.data);
for (auto image : ref_images) {
free(image.data);
image.data = nullptr;
}
ref_images.clear();
for (auto image : pmid_images) {
free(image.data);
image.data = nullptr;
}
pmid_images.clear();
for (auto image : control_frames) {
free(image.data);
image.data = nullptr;
}
control_frames.clear();
};
if (gen_params.init_image_path.size() > 0) {
vae_decode_only = false;
int width = 0;
int height = 0;
init_image.data = load_image_from_file(gen_params.init_image_path.c_str(), width, height, gen_params.width, gen_params.height);
if (init_image.data == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", gen_params.init_image_path.c_str());
release_all_resources();
return 1;
}
}
if (gen_params.end_image_path.size() > 0) {
vae_decode_only = false;
int width = 0;
int height = 0;
end_image.data = load_image_from_file(gen_params.end_image_path.c_str(), width, height, gen_params.width, gen_params.height);
if (end_image.data == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", gen_params.end_image_path.c_str());
release_all_resources();
return 1;
}
}
if (gen_params.mask_image_path.size() > 0) {
int c = 0;
int width = 0;
int height = 0;
mask_image.data = load_image_from_file(gen_params.mask_image_path.c_str(), width, height, gen_params.width, gen_params.height, 1);
if (mask_image.data == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", gen_params.mask_image_path.c_str());
release_all_resources();
return 1;
}
} else {
mask_image.data = (uint8_t*)malloc(gen_params.width * gen_params.height);
memset(mask_image.data, 255, gen_params.width * gen_params.height);
if (mask_image.data == nullptr) {
fprintf(stderr, "malloc mask image failed\n");
release_all_resources();
return 1;
}
}
if (gen_params.control_image_path.size() > 0) {
int width = 0;
int height = 0;
control_image.data = load_image_from_file(gen_params.control_image_path.c_str(), width, height, gen_params.width, gen_params.height);
if (control_image.data == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", gen_params.control_image_path.c_str());
release_all_resources();
return 1;
}
if (cli_params.canny_preprocess) { // apply preprocessor
preprocess_canny(control_image,
0.08f,
0.08f,
0.8f,
1.0f,
false);
}
}
if (gen_params.ref_image_paths.size() > 0) {
vae_decode_only = false;
for (auto& path : gen_params.ref_image_paths) {
int width = 0;
int height = 0;
uint8_t* image_buffer = load_image_from_file(path.c_str(), width, height);
if (image_buffer == nullptr) {
fprintf(stderr, "load image from '%s' failed\n", path.c_str());
release_all_resources();
return 1;
}
ref_images.push_back({(uint32_t)width,
(uint32_t)height,
3,
image_buffer});
}
}
if (!gen_params.control_video_path.empty()) {
if (!load_images_from_dir(gen_params.control_video_path,
control_frames,
gen_params.width,
gen_params.height,
gen_params.video_frames,
cli_params.verbose)) {
release_all_resources();
return 1;
}
}
if (!gen_params.pm_id_images_dir.empty()) {
if (!load_images_from_dir(gen_params.pm_id_images_dir,
pmid_images,
0,
0,
0,
cli_params.verbose)) {
release_all_resources();
return 1;
}
}
if (cli_params.mode == VID_GEN) {
vae_decode_only = false;
}
sd_ctx_params_t sd_ctx_params = ctx_params.to_sd_ctx_params_t(vae_decode_only, true, cli_params.taesd_preview);
sd_image_t* results = nullptr;
int num_results = 0;
if (cli_params.mode == UPSCALE) {
num_results = 1;
results = (sd_image_t*)calloc(num_results, sizeof(sd_image_t));
if (results == nullptr) {
printf("failed to allocate results array\n");
release_all_resources();
return 1;
}
results[0] = init_image;
init_image.data = nullptr;
} else {
sd_ctx_t* sd_ctx = new_sd_ctx(&sd_ctx_params);
if (sd_ctx == nullptr) {
printf("new_sd_ctx_t failed\n");
release_all_resources();
return 1;
}
if (gen_params.sample_params.sample_method == SAMPLE_METHOD_COUNT) {
gen_params.sample_params.sample_method = sd_get_default_sample_method(sd_ctx);
}
if (gen_params.high_noise_sample_params.sample_method == SAMPLE_METHOD_COUNT) {
gen_params.high_noise_sample_params.sample_method = sd_get_default_sample_method(sd_ctx);
}
if (gen_params.sample_params.scheduler == SCHEDULER_COUNT) {
gen_params.sample_params.scheduler = sd_get_default_scheduler(sd_ctx);
}
if (cli_params.mode == IMG_GEN) {
sd_img_gen_params_t img_gen_params = {
gen_params.lora_vec.data(),
static_cast<uint32_t>(gen_params.lora_vec.size()),
gen_params.prompt.c_str(),
gen_params.negative_prompt.c_str(),
gen_params.clip_skip,
init_image,
ref_images.data(),
(int)ref_images.size(),
gen_params.auto_resize_ref_image,
gen_params.increase_ref_index,
mask_image,
gen_params.width,
gen_params.height,
gen_params.sample_params,
gen_params.strength,
gen_params.seed,
gen_params.batch_count,
control_image,
gen_params.control_strength,
{
pmid_images.data(),
(int)pmid_images.size(),
gen_params.pm_id_embed_path.c_str(),
gen_params.pm_style_strength,
}, // pm_params
ctx_params.vae_tiling_params,
gen_params.easycache_params,
};
results = generate_image(sd_ctx, &img_gen_params);
num_results = gen_params.batch_count;
} else if (cli_params.mode == VID_GEN) {
sd_vid_gen_params_t vid_gen_params = {
gen_params.lora_vec.data(),
static_cast<uint32_t>(gen_params.lora_vec.size()),
gen_params.prompt.c_str(),
gen_params.negative_prompt.c_str(),
gen_params.clip_skip,
init_image,
end_image,
control_frames.data(),
(int)control_frames.size(),
gen_params.width,
gen_params.height,
gen_params.sample_params,
gen_params.high_noise_sample_params,
gen_params.moe_boundary,
gen_params.strength,
gen_params.seed,
gen_params.video_frames,
gen_params.vace_strength,
gen_params.easycache_params,
};
results = generate_video(sd_ctx, &vid_gen_params, &num_results);
}
if (results == nullptr) {
printf("generate failed\n");
free_sd_ctx(sd_ctx);
return 1;
}
free_sd_ctx(sd_ctx);
}
int upscale_factor = 4; // unused for RealESRGAN_x4plus_anime_6B.pth
if (ctx_params.esrgan_path.size() > 0 && gen_params.upscale_repeats > 0) {
upscaler_ctx_t* upscaler_ctx = new_upscaler_ctx(ctx_params.esrgan_path.c_str(),
ctx_params.offload_params_to_cpu,
ctx_params.diffusion_conv_direct,
ctx_params.n_threads,
gen_params.upscale_tile_size);
if (upscaler_ctx == nullptr) {
printf("new_upscaler_ctx failed\n");
} else {
for (int i = 0; i < num_results; i++) {
if (results[i].data == nullptr) {
continue;
}
sd_image_t current_image = results[i];
for (int u = 0; u < gen_params.upscale_repeats; ++u) {
sd_image_t upscaled_image = upscale(upscaler_ctx, current_image, upscale_factor);
if (upscaled_image.data == nullptr) {
printf("upscale failed\n");
break;
}
free(current_image.data);
current_image = upscaled_image;
}
results[i] = current_image; // Set the final upscaled image as the result
}
}
}
// create directory if not exists
{
const fs::path out_path = cli_params.output_path;
if (const fs::path out_dir = out_path.parent_path(); !out_dir.empty()) {
std::error_code ec;
fs::create_directories(out_dir, ec); // OK if already exists
if (ec) {
fprintf(stderr, "failed to create directory '%s': %s\n",
out_dir.string().c_str(), ec.message().c_str());
return 1;
}
}
}
std::string base_path;
std::string file_ext;
std::string file_ext_lower;
bool is_jpg;
size_t last_dot_pos = cli_params.output_path.find_last_of(".");
size_t last_slash_pos = std::min(cli_params.output_path.find_last_of("/"),
cli_params.output_path.find_last_of("\\"));
if (last_dot_pos != std::string::npos && (last_slash_pos == std::string::npos || last_dot_pos > last_slash_pos)) { // filename has extension
base_path = cli_params.output_path.substr(0, last_dot_pos);
file_ext = file_ext_lower = cli_params.output_path.substr(last_dot_pos);
std::transform(file_ext.begin(), file_ext.end(), file_ext_lower.begin(), ::tolower);
is_jpg = (file_ext_lower == ".jpg" || file_ext_lower == ".jpeg" || file_ext_lower == ".jpe");
} else {
base_path = cli_params.output_path;
file_ext = file_ext_lower = "";
is_jpg = false;
}
if (cli_params.mode == VID_GEN && num_results > 1) {
std::string vid_output_path = cli_params.output_path;
if (file_ext_lower == ".png") {
vid_output_path = base_path + ".avi";
}
create_mjpg_avi_from_sd_images(vid_output_path.c_str(), results, num_results, gen_params.fps);
printf("save result MJPG AVI video to '%s'\n", vid_output_path.c_str());
} else {
// appending ".png" to absent or unknown extension
if (!is_jpg && file_ext_lower != ".png") {
base_path += file_ext;
file_ext = ".png";
}
for (int i = 0; i < num_results; i++) {
if (results[i].data == nullptr) {
continue;
}
int write_ok;
std::string final_image_path = i > 0 ? base_path + "_" + std::to_string(i + 1) + file_ext : base_path + file_ext;
if (is_jpg) {
write_ok = stbi_write_jpg(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
results[i].data, 90, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
printf("save result JPEG image to '%s' (%s)\n", final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
} else {
write_ok = stbi_write_png(final_image_path.c_str(), results[i].width, results[i].height, results[i].channel,
results[i].data, 0, get_image_params(cli_params, ctx_params, gen_params, gen_params.seed + i).c_str());
printf("save result PNG image to '%s' (%s)\n", final_image_path.c_str(), write_ok == 0 ? "failure" : "success");
}
}
}
for (int i = 0; i < num_results; i++) {
free(results[i].data);
results[i].data = nullptr;
}
free(results);
release_all_resources();
return 0;
}