server: support OAI /v1/audio/transcriptions API (#21863)

* server: support OAI /v1/audio/transcriptions API

* address autoreview comments

* correct default response_format value
This commit is contained in:
Xuan-Son Nguyen
2026-04-14 11:09:52 +02:00
committed by GitHub
parent e21cdc11a0
commit e489a5ca0e
9 changed files with 194 additions and 38 deletions
+29 -1
View File
@@ -428,6 +428,7 @@ void server_http_context::get(const std::string & path, const server_http_contex
req.path,
build_query_string(req),
req.body,
{},
req.is_connection_closed
});
server_http_res_ptr response = handler(*request);
@@ -437,12 +438,39 @@ void server_http_context::get(const std::string & path, const server_http_contex
void server_http_context::post(const std::string & path, const server_http_context::handler_t & handler) const {
pimpl->srv->Post(path_prefix + path, [handler](const httplib::Request & req, httplib::Response & res) {
std::string body = req.body;
std::map<std::string, raw_buffer> files;
if (req.is_multipart_form_data()) {
// translate text fields to a JSON object and use it as the body
json form_json = json::object();
for (const auto & [key, field] : req.form.fields) {
if (form_json.contains(key)) {
// if the key already exists, convert it to an array
if (!form_json[key].is_array()) {
json existing_value = form_json[key];
form_json[key] = json::array({existing_value});
}
form_json[key].push_back(field.content);
} else {
form_json[key] = field.content;
}
}
body = form_json.dump();
// populate files from multipart form
for (const auto & [key, file] : req.form.files) {
files[key] = raw_buffer(file.content.begin(), file.content.end());
}
}
server_http_req_ptr request = std::make_unique<server_http_req>(server_http_req{
get_params(req),
get_headers(req),
req.path,
build_query_string(req),
req.body,
body,
std::move(files),
req.is_connection_closed
});
server_http_res_ptr response = handler(*request);