Files
Vosklet/src/genericModel.cc
2024-03-27 16:55:34 -07:00

60 lines
2.1 KiB
C++

#include "genericModel.h"
genericModel::genericModel(int index, bool normalMdl, std::string storepath, std::string id) : index{index}, normalMdl{normalMdl}, storepath{std::move(storepath)}, id{std::move(id)}, entry{archive_entry_new()} {}
void genericModel::extractAndLoad(int tarStart, int tarSize) {
static fs::path path{};
static int fd{};
func = [this, tarStart, tarSize](){
archive* src {archive_read_new()};
archive_read_support_format_tar(src);
archive_read_open_memory(src, reinterpret_cast<void*>(tarStart), tarSize);
if(archive_errno(src) != 0) {
free(reinterpret_cast<void*>(tarStart));
fireEv(index, "Unable to open tar in WASM memory");
return;
}
while(1) {
int headerRes {archive_read_next_header2(src, entry)};
if(headerRes == ARCHIVE_EOF) break;
if(headerRes < ARCHIVE_OK) {
fireEv(index, archive_error_string(src));
break;
}
path = archive_entry_pathname(entry);
path = storepath + path.generic_string().substr(path.generic_string().find("/"));
if(!path.has_extension()) {
fs::create_directory(path);
continue;
}
fd = creat(path.c_str(),0777);
if(fd == -1) {
fireEv(index, "Unable to create model files");
return;
}
archive_read_data_into_fd(src, fd);
close(fd);
if(archive_errno(src) != 0) {
fireEv(index, "Cannot write into model files");
return;
}
}
free(reinterpret_cast<void*>(tarStart));
fs::remove(storepath + "/README");
archive_read_free(src);
if(normalMdl) mdl = vosk_model_new(storepath.c_str());
else vosk_spk_model_new(storepath.c_str());
if(normalMdl ? std::get<0>(mdl) == nullptr : std::get<1>(mdl) == nullptr) fireEv(index, "Unable to load model for recognition");
else fireEv(index, "0");
};
std::thread t{[this](){
func();
blocker.wait(false, std::memory_order_relaxed);
func();
}};
t.detach();
}
genericModel::~genericModel() {
archive_entry_free(entry);
if(normalMdl) vosk_model_free(std::get<0>(mdl));
else vosk_spk_model_free(std::get<1>(mdl));
}