Merge 373240b7d9 into 1fe009caed
This commit is contained in:
Daniel Bevenius
GitHub
commit
8a458af453
|
|
@ -109,6 +109,7 @@ else()
|
|||
add_subdirectory(vad-speech-segments)
|
||||
add_subdirectory(parakeet-cli)
|
||||
add_subdirectory(parakeet-quantize)
|
||||
add_subdirectory(parakeet-server)
|
||||
if (WHISPER_SDL2)
|
||||
add_subdirectory(stream)
|
||||
add_subdirectory(command)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,17 @@
|
|||
set(CMAKE_CXX_STANDARD 17)
|
||||
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
||||
|
||||
set(TARGET parakeet-server)
|
||||
add_executable(${TARGET} parakeet-server.cpp)
|
||||
|
||||
include(DefaultTargetOptions)
|
||||
|
||||
target_sources(${TARGET} PRIVATE ../server-common.cpp)
|
||||
|
||||
target_link_libraries(${TARGET} PRIVATE common json_cpp parakeet ${CMAKE_THREAD_LIBS_INIT})
|
||||
|
||||
if (WIN32)
|
||||
target_link_libraries(${TARGET} PRIVATE ws2_32)
|
||||
endif()
|
||||
|
||||
install(TARGETS ${TARGET} RUNTIME)
|
||||
|
|
@ -0,0 +1,403 @@
|
|||
#include "parakeet.h"
|
||||
#include "common-whisper.h"
|
||||
#include "server-common.h"
|
||||
|
||||
#include "httplib.h"
|
||||
#include "json.hpp"
|
||||
|
||||
#include <cstdio>
|
||||
#include <cstring>
|
||||
#include <fstream>
|
||||
#include <sstream>
|
||||
#include <string>
|
||||
#include <thread>
|
||||
#include <vector>
|
||||
#include <memory>
|
||||
#include <csignal>
|
||||
#include <atomic>
|
||||
|
||||
using namespace httplib;
|
||||
using json = nlohmann::ordered_json;
|
||||
|
||||
struct parakeet_params {
|
||||
int32_t n_threads = std::min(4, (int32_t) std::thread::hardware_concurrency());
|
||||
bool use_gpu = true;
|
||||
int32_t gpu_device = 0;
|
||||
|
||||
std::string model = "models/ggml-parakeet-tdt-0.6b-v3.bin";
|
||||
std::string response_format = json_format;
|
||||
};
|
||||
|
||||
static void parakeet_print_usage(int /*argc*/, char ** argv, const parakeet_params & params, const server_params & sparams) {
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "usage: %s [options]\n", argv[0]);
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "options:\n");
|
||||
fprintf(stderr, " -h, --help [default] show this help message and exit\n");
|
||||
fprintf(stderr, " -t N, --threads N [%-7d] number of threads to use during computation\n", params.n_threads);
|
||||
fprintf(stderr, " -m FNAME, --model FNAME [%-7s] model path\n", params.model.c_str());
|
||||
fprintf(stderr, " -ng, --no-gpu [%-7s] do not use GPU\n", params.use_gpu ? "false" : "true");
|
||||
fprintf(stderr, " -dev N, --device N [%-7d] GPU device ID\n", params.gpu_device);
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, " --host HOST, [%-7s] Hostname/IP address for the server\n", sparams.hostname.c_str());
|
||||
fprintf(stderr, " --port PORT, [%-7d] Port number for the server\n", sparams.port);
|
||||
fprintf(stderr, " --public PATH, [%-7s] Path to the public folder\n", sparams.public_path.c_str());
|
||||
fprintf(stderr, " --request-path PATH, [%-7s] Request path prefix\n", sparams.request_path.c_str());
|
||||
fprintf(stderr, " --inference-path PATH, [%-7s] Inference endpoint path\n", sparams.inference_path.c_str());
|
||||
fprintf(stderr, " --convert, [%-7s] Convert audio to WAV via ffmpeg\n", sparams.ffmpeg_converter ? "true" : "false");
|
||||
fprintf(stderr, " --keep-input-audio, [%-7s] Keep input audio in --tmp-dir\n", sparams.keep_input_audio ? "true" : "false");
|
||||
fprintf(stderr, " --tmp-dir PATH, [%-7s] Temporary directory for converted files\n", sparams.tmp_dir.c_str());
|
||||
fprintf(stderr, "\n");
|
||||
}
|
||||
|
||||
static bool parakeet_params_parse(int argc, char ** argv, parakeet_params & params, server_params & sparams) {
|
||||
if (const char * env_device = std::getenv("PARAKEET_ARG_DEVICE")) {
|
||||
params.gpu_device = std::stoi(env_device);
|
||||
}
|
||||
|
||||
for (int i = 1; i < argc; i++) {
|
||||
std::string arg = argv[i];
|
||||
|
||||
if (arg == "-h" || arg == "--help") {
|
||||
parakeet_print_usage(argc, argv, params, sparams);
|
||||
exit(0);
|
||||
}
|
||||
else if (arg == "-t" || arg == "--threads") { params.n_threads = std::stoi(argv[++i]); }
|
||||
else if (arg == "-m" || arg == "--model") { params.model = argv[++i]; }
|
||||
else if (arg == "-ng" || arg == "--no-gpu") { params.use_gpu = false; }
|
||||
else if (arg == "-dev" || arg == "--device") { params.gpu_device = std::stoi(argv[++i]); }
|
||||
else if (arg == "--host") { sparams.hostname = argv[++i]; }
|
||||
else if (arg == "--port") { sparams.port = std::stoi(argv[++i]); }
|
||||
else if (arg == "--public") { sparams.public_path = argv[++i]; }
|
||||
else if (arg == "--request-path") { sparams.request_path = argv[++i]; }
|
||||
else if (arg == "--inference-path") { sparams.inference_path = argv[++i]; }
|
||||
else if (arg == "--convert") { sparams.ffmpeg_converter = true; }
|
||||
else if (arg == "--keep-input-audio") { sparams.keep_input_audio = true; }
|
||||
else if (arg == "--tmp-dir") { sparams.tmp_dir = argv[++i]; }
|
||||
else {
|
||||
fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
|
||||
parakeet_print_usage(argc, argv, params, sparams);
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static void get_req_parameters(const Request & req, parakeet_params & params) {
|
||||
if (req.has_file("response_format")) {
|
||||
params.response_format = req.get_file_value("response_format").content;
|
||||
}
|
||||
}
|
||||
|
||||
struct parakeet_result : transcription_result {
|
||||
parakeet_context * ctx;
|
||||
|
||||
explicit parakeet_result(parakeet_context * c) : ctx(c) {}
|
||||
|
||||
int n_segments() const override {
|
||||
return parakeet_full_n_segments(ctx);
|
||||
}
|
||||
|
||||
segment_info get_segment(int i) const override {
|
||||
segment_info seg;
|
||||
seg.text = parakeet_full_get_segment_text(ctx, i);
|
||||
seg.t0 = parakeet_full_get_segment_t0(ctx, i);
|
||||
seg.t1 = parakeet_full_get_segment_t1(ctx, i);
|
||||
seg.no_speech_prob = 0.0f;
|
||||
|
||||
const int n_tokens = parakeet_full_n_tokens(ctx, i);
|
||||
seg.tokens.reserve(n_tokens);
|
||||
for (int j = 0; j < n_tokens; ++j) {
|
||||
parakeet_token_data tok = parakeet_full_get_token_data(ctx, i, j);
|
||||
seg.tokens.push_back({tok.id, parakeet_full_get_token_text(ctx, i, j),
|
||||
tok.t0, tok.t1, tok.p});
|
||||
}
|
||||
return seg;
|
||||
}
|
||||
|
||||
std::string get_language() const override { return "N/A"; }
|
||||
};
|
||||
|
||||
static std::string generate_index_page(const server_params & sparams) {
|
||||
std::ostringstream oss;
|
||||
oss << R"(
|
||||
<html>
|
||||
<head>
|
||||
<title>Parakeet.cpp Server</title>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width">
|
||||
<style>
|
||||
body {
|
||||
font-family: sans-serif;
|
||||
}
|
||||
form {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
align-items: flex-start;
|
||||
}
|
||||
label {
|
||||
margin-bottom: 0.5rem;
|
||||
}
|
||||
input, select {
|
||||
margin-bottom: 1rem;
|
||||
}
|
||||
button {
|
||||
margin-top: 1rem;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<h1>Parakeet.cpp Server</h1>
|
||||
|
||||
<h2>)" << sparams.request_path << sparams.inference_path << R"(</h2>
|
||||
<pre>
|
||||
curl 127.0.0.1:)" << sparams.port << sparams.request_path << sparams.inference_path << R"( \
|
||||
-H "Content-Type: multipart/form-data" \
|
||||
-F file="@<file-path>" \
|
||||
-F response_format="json"
|
||||
</pre>
|
||||
|
||||
<div>
|
||||
<h2>Try it out</h2>
|
||||
<form action=")" << sparams.request_path << sparams.inference_path << R"(" method="POST" enctype="multipart/form-data">
|
||||
<label for="file">Choose an audio file:</label>
|
||||
<input type="file" id="file" name="file" accept="audio/*" required><br>
|
||||
|
||||
<label for="response_format">Response Format:</label>
|
||||
<select id="response_format" name="response_format">
|
||||
<option value="json">JSON</option>
|
||||
<option value="text">Text</option>
|
||||
<option value="srt">SRT</option>
|
||||
<option value="vtt">VTT</option>
|
||||
<option value="verbose_json">Verbose JSON</option>
|
||||
</select><br>
|
||||
|
||||
<button type="submit">Submit</button>
|
||||
</form>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
)";
|
||||
return oss.str();
|
||||
}
|
||||
|
||||
int main(int argc, char ** argv) {
|
||||
ggml_backend_load_all();
|
||||
|
||||
parakeet_params params;
|
||||
server_params sparams;
|
||||
|
||||
std::mutex model_mutex;
|
||||
|
||||
if (!parakeet_params_parse(argc, argv, params, sparams)) {
|
||||
parakeet_print_usage(argc, argv, params, sparams);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (sparams.ffmpeg_converter) {
|
||||
check_ffmpeg_availability();
|
||||
}
|
||||
|
||||
parakeet_context_params cparams = parakeet_context_default_params();
|
||||
cparams.use_gpu = params.use_gpu;
|
||||
cparams.gpu_device = params.gpu_device;
|
||||
|
||||
std::unique_ptr<httplib::Server> svr = std::make_unique<httplib::Server>();
|
||||
std::atomic<server_state> state{SERVER_STATE_LOADING_MODEL};
|
||||
|
||||
struct parakeet_context * ctx = parakeet_init_from_file_with_params(params.model.c_str(), cparams);
|
||||
if (ctx == nullptr) {
|
||||
fprintf(stderr, "error: failed to initialize parakeet context from '%s'\n", params.model.c_str());
|
||||
return 1;
|
||||
}
|
||||
|
||||
state.store(SERVER_STATE_READY);
|
||||
|
||||
printf("Successfully loaded Parakeet model from: %s\n", params.model.c_str());
|
||||
fprintf(stderr, "system_info: n_threads = %d / %d | %s\n",
|
||||
params.n_threads, (int32_t) std::thread::hardware_concurrency(), parakeet_print_system_info());
|
||||
|
||||
const std::string default_content = generate_index_page(sparams);
|
||||
|
||||
parakeet_params default_params = params;
|
||||
|
||||
auto inference_handler = [&](const Request & req, Response & res) {
|
||||
std::lock_guard<std::mutex> lock(model_mutex);
|
||||
|
||||
if (!req.has_file("file")) {
|
||||
fprintf(stderr, "error: no 'file' field in the request\n");
|
||||
res.status = 400;
|
||||
res.set_content("{\"error\":\"no 'file' field in the request\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
|
||||
auto audio_file = req.get_file_value("file");
|
||||
parakeet_params cur_params = default_params;
|
||||
get_req_parameters(req, cur_params);
|
||||
|
||||
std::string filename{audio_file.filename};
|
||||
printf("Received request: %s\n", filename.c_str());
|
||||
|
||||
std::vector<float> pcmf32;
|
||||
std::vector<std::vector<float>> pcmf32s;
|
||||
|
||||
std::string temp_filename;
|
||||
|
||||
if (sparams.keep_input_audio || sparams.ffmpeg_converter) {
|
||||
temp_filename = generate_temp_filename(sparams.tmp_dir, "parakeet-server", ".wav");
|
||||
|
||||
std::ofstream temp_file{temp_filename, std::ios::binary};
|
||||
temp_file.write(audio_file.content.data(),
|
||||
static_cast<std::streamsize>(audio_file.content.size()));
|
||||
}
|
||||
|
||||
if (sparams.ffmpeg_converter) {
|
||||
std::string error_resp;
|
||||
if (!convert_to_wav(temp_filename, error_resp, false)) {
|
||||
res.status = 500;
|
||||
res.set_content(error_resp, "application/json");
|
||||
return;
|
||||
}
|
||||
|
||||
if (!::read_audio_data(temp_filename, pcmf32, pcmf32s, false)) {
|
||||
fprintf(stderr, "error: failed to read WAV file '%s'\n", temp_filename.c_str());
|
||||
res.status = 400;
|
||||
res.set_content("{\"error\":\"failed to read WAV file\"}", "application/json");
|
||||
if (!sparams.keep_input_audio) {
|
||||
std::remove(temp_filename.c_str());
|
||||
}
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
if (!::read_audio_data(audio_file.content.data(), audio_file.content.size(), pcmf32, pcmf32s, false)) {
|
||||
fprintf(stderr, "error: failed to read audio data\n");
|
||||
res.status = 400;
|
||||
res.set_content("{\"error\":\"failed to read audio data\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if (!sparams.keep_input_audio) {
|
||||
std::remove(temp_filename.c_str());
|
||||
}
|
||||
|
||||
printf("Successfully loaded %s\n", filename.c_str());
|
||||
|
||||
fprintf(stderr, "%s: processing '%s' (%d samples, %.1f sec), %d threads ...\n",
|
||||
__func__, filename.c_str(), (int)pcmf32.size(),
|
||||
float(pcmf32.size()) / PARAKEET_SAMPLE_RATE, cur_params.n_threads);
|
||||
|
||||
{
|
||||
printf("Running parakeet.cpp inference on %s\n", filename.c_str());
|
||||
|
||||
parakeet_full_params fparams = parakeet_full_default_params(PARAKEET_SAMPLING_GREEDY);
|
||||
fparams.n_threads = cur_params.n_threads;
|
||||
fparams.no_context = true;
|
||||
|
||||
// Abort callback for HTTP disconnect
|
||||
fparams.abort_callback = [](void * user_data) {
|
||||
auto req_ptr = static_cast<const httplib::Request *>(user_data);
|
||||
return req_ptr->is_connection_closed();
|
||||
};
|
||||
fparams.abort_callback_user_data = (void *) &req;
|
||||
|
||||
int ret = parakeet_full(ctx, fparams, pcmf32.data(), (int)pcmf32.size());
|
||||
if (ret != 0) {
|
||||
if (req.is_connection_closed()) {
|
||||
fprintf(stderr, "client disconnected, aborted processing\n");
|
||||
res.status = 499;
|
||||
res.set_content("{\"error\":\"client disconnected\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
fprintf(stderr, "%s: failed to process audio\n", argv[0]);
|
||||
res.status = 500;
|
||||
res.set_content("{\"error\":\"failed to process audio\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// Format response
|
||||
parakeet_result result{ctx};
|
||||
|
||||
if (cur_params.response_format == text_format) {
|
||||
std::string text = format_text(result);
|
||||
res.set_content(text, "text/plain; charset=utf-8");
|
||||
} else if (cur_params.response_format == srt_format) {
|
||||
std::string srt = format_srt(result, 0);
|
||||
res.set_content(srt, "application/x-subrip");
|
||||
} else if (cur_params.response_format == vtt_format) {
|
||||
std::string vtt = format_vtt(result);
|
||||
res.set_content(vtt, "text/vtt");
|
||||
} else if (cur_params.response_format == vjson_format) {
|
||||
float duration = float(pcmf32.size()) / PARAKEET_SAMPLE_RATE;
|
||||
std::string vjson = format_verbose_json(result, 0.0f, duration, false, true);
|
||||
res.set_content(vjson, "application/json");
|
||||
} else {
|
||||
std::string j = format_json(result);
|
||||
res.set_content(j, "application/json");
|
||||
}
|
||||
};
|
||||
|
||||
auto load_handler = [&](const Request & req, Response & res) {
|
||||
std::lock_guard<std::mutex> lock(model_mutex);
|
||||
state.store(SERVER_STATE_LOADING_MODEL);
|
||||
|
||||
if (!req.has_file("model")) {
|
||||
fprintf(stderr, "error: no 'model' field in the request\n");
|
||||
res.status = 400;
|
||||
res.set_content("{\"error\":\"no 'model' field in the request\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
|
||||
std::string model = req.get_file_value("model").content;
|
||||
|
||||
parakeet_free(ctx);
|
||||
|
||||
ctx = parakeet_init_from_file_with_params(model.c_str(), cparams);
|
||||
if (ctx == nullptr) {
|
||||
fprintf(stderr, "error: failed to load model '%s'\n", model.c_str());
|
||||
res.status = 500;
|
||||
res.set_content("{\"error\":\"failed to load model\"}", "application/json");
|
||||
return;
|
||||
}
|
||||
|
||||
state.store(SERVER_STATE_READY);
|
||||
res.set_content("Load was successful!", "text/plain");
|
||||
};
|
||||
|
||||
setup_server_common(*svr, sparams, state, load_handler, inference_handler, default_content, "parakeet.cpp");
|
||||
|
||||
setup_signal_handler([&]() {
|
||||
printf("\nShutting down gracefully...\n");
|
||||
svr->stop();
|
||||
});
|
||||
|
||||
if (!svr->bind_to_port(sparams.hostname, sparams.port)) {
|
||||
fprintf(stderr, "couldn't bind to server socket: hostname=%s port=%d\n",
|
||||
sparams.hostname.c_str(), sparams.port);
|
||||
return 1;
|
||||
}
|
||||
|
||||
svr->set_base_dir(sparams.public_path);
|
||||
|
||||
printf("\nparakeet server listening at http://%s:%d\n\n", sparams.hostname.c_str(), sparams.port);
|
||||
|
||||
auto clean_up = [&]() {
|
||||
parakeet_print_timings(ctx);
|
||||
parakeet_free(ctx);
|
||||
};
|
||||
|
||||
std::thread t([&]() {
|
||||
if (!svr->listen_after_bind()) {
|
||||
fprintf(stderr, "error: server listen failed\n");
|
||||
}
|
||||
});
|
||||
|
||||
svr->wait_until_ready();
|
||||
t.join();
|
||||
|
||||
clean_up();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,350 @@
|
|||
#include "server-common.h"
|
||||
#include "common-whisper.h"
|
||||
|
||||
#include <cstdio>
|
||||
#include <csignal>
|
||||
#include <random>
|
||||
#include <sstream>
|
||||
#include <memory>
|
||||
#include <fstream>
|
||||
#include <algorithm>
|
||||
#include <cmath>
|
||||
#include <cstdlib>
|
||||
#include <filesystem>
|
||||
|
||||
#if defined (_WIN32)
|
||||
#include <windows.h>
|
||||
#endif
|
||||
|
||||
const std::string json_format = "json";
|
||||
const std::string text_format = "text";
|
||||
const std::string srt_format = "srt";
|
||||
const std::string vjson_format = "verbose_json";
|
||||
const std::string vtt_format = "vtt";
|
||||
|
||||
namespace {
|
||||
std::function<void()> g_shutdown_callback;
|
||||
std::atomic_flag g_is_terminating = ATOMIC_FLAG_INIT;
|
||||
|
||||
void signal_handler(int /*signal*/) {
|
||||
if (g_is_terminating.test_and_set()) {
|
||||
fprintf(stderr, "Received second interrupt, terminating immediately.\n");
|
||||
exit(1);
|
||||
}
|
||||
if (g_shutdown_callback) {
|
||||
g_shutdown_callback();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool parse_str_to_bool(const std::string & s) {
|
||||
if (s == "true" || s == "1" || s == "yes" || s == "y") {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool check_ffmpeg_availability() {
|
||||
int result = system("ffmpeg -version");
|
||||
if (result == 0) {
|
||||
std::cout << "ffmpeg is available." << std::endl;
|
||||
} else {
|
||||
std::cout << "ffmpeg is not found. Please ensure that ffmpeg is installed "
|
||||
<< "and that its executable is included in your system's PATH. ";
|
||||
exit(0);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
std::string generate_temp_filename(const std::string & path, const std::string & prefix, const std::string & extension) {
|
||||
auto now = std::chrono::system_clock::now();
|
||||
auto now_time_t = std::chrono::system_clock::to_time_t(now);
|
||||
|
||||
static std::mt19937 rng{std::random_device{}()};
|
||||
std::uniform_int_distribution<long long> dist(0, 1e9);
|
||||
|
||||
std::stringstream ss;
|
||||
ss << path
|
||||
<< std::filesystem::path::preferred_separator
|
||||
<< prefix
|
||||
<< "-"
|
||||
<< std::put_time(std::localtime(&now_time_t), "%Y%m%d-%H%M%S")
|
||||
<< "-"
|
||||
<< dist(rng)
|
||||
<< extension;
|
||||
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
bool convert_to_wav(const std::string & temp_filename, std::string & error_resp, bool stereo) {
|
||||
std::ostringstream cmd_stream;
|
||||
std::string converted_filename_temp = temp_filename + "_temp.wav";
|
||||
cmd_stream << "ffmpeg -i \"" << temp_filename << "\" -y -ar 16000 -ac " << (stereo ? 2 : 1) << " -c:a pcm_s16le \"" << converted_filename_temp << "\" 2>&1";
|
||||
std::string cmd = cmd_stream.str();
|
||||
|
||||
int status = std::system(cmd.c_str());
|
||||
if (status != 0) {
|
||||
error_resp = "{\"error\":\"FFmpeg conversion failed.\"}";
|
||||
return false;
|
||||
}
|
||||
|
||||
if (remove(temp_filename.c_str()) != 0) {
|
||||
error_resp = "{\"error\":\"Failed to remove the original file.\"}";
|
||||
return false;
|
||||
}
|
||||
|
||||
if (rename(converted_filename_temp.c_str(), temp_filename.c_str()) != 0) {
|
||||
error_resp = "{\"error\":\"Failed to rename the temporary file.\"}";
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
void setup_signal_handler(std::function<void()> shutdown_callback) {
|
||||
g_shutdown_callback = std::move(shutdown_callback);
|
||||
|
||||
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
|
||||
struct sigaction sigint_action;
|
||||
sigint_action.sa_handler = signal_handler;
|
||||
sigemptyset(&sigint_action.sa_mask);
|
||||
sigint_action.sa_flags = 0;
|
||||
sigaction(SIGINT, &sigint_action, NULL);
|
||||
sigaction(SIGTERM, &sigint_action, NULL);
|
||||
#elif defined (_WIN32)
|
||||
auto console_ctrl_handler = +[](DWORD ctrl_type) -> BOOL {
|
||||
return (ctrl_type == CTRL_C_EVENT) ? (signal_handler(SIGINT), true) : false;
|
||||
};
|
||||
SetConsoleCtrlHandler(reinterpret_cast<PHANDLER_ROUTINE>(console_ctrl_handler), true);
|
||||
#endif
|
||||
}
|
||||
|
||||
static std::string ms_to_timestamp(int64_t t_ms, bool comma = false) {
|
||||
// to_timestamp expects centiseconds, our adapter uses milliseconds
|
||||
return ::to_timestamp(t_ms / 10, comma);
|
||||
}
|
||||
|
||||
|
||||
std::string format_text(const transcription_result & result) {
|
||||
std::stringstream ss;
|
||||
const int n_segments = result.n_segments();
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
auto seg = result.get_segment(i);
|
||||
auto speaker = result.get_speaker(i);
|
||||
ss << speaker << seg.text << "\n";
|
||||
}
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
std::string format_srt(const transcription_result & result, int offset_n) {
|
||||
std::stringstream ss;
|
||||
const int n_segments = result.n_segments();
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
auto seg = result.get_segment(i);
|
||||
auto speaker = result.get_speaker(i);
|
||||
|
||||
ss << i + 1 + offset_n << "\n";
|
||||
ss << ms_to_timestamp(seg.t0, true) << " --> " << ms_to_timestamp(seg.t1, true) << "\n";
|
||||
ss << speaker << seg.text << "\n\n";
|
||||
}
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
std::string format_vtt(const transcription_result & result) {
|
||||
std::stringstream ss;
|
||||
ss << "WEBVTT\n\n";
|
||||
|
||||
const int n_segments = result.n_segments();
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
auto seg = result.get_segment(i);
|
||||
std::string speaker_tag;
|
||||
|
||||
auto speaker_id = result.get_speaker(i);
|
||||
if (!speaker_id.empty()) {
|
||||
speaker_tag = "<v Speaker" + speaker_id + ">";
|
||||
}
|
||||
|
||||
ss << ms_to_timestamp(seg.t0) << " --> " << ms_to_timestamp(seg.t1) << "\n";
|
||||
ss << speaker_tag << seg.text << "\n\n";
|
||||
}
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
std::string format_json(const transcription_result & result) {
|
||||
std::string text = format_text(result);
|
||||
json jres = json{{"text", text}};
|
||||
return jres.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
}
|
||||
|
||||
std::string format_verbose_json(
|
||||
const transcription_result & result,
|
||||
float temperature,
|
||||
float duration,
|
||||
bool no_timestamps,
|
||||
bool token_timestamps) {
|
||||
std::string text = format_text(result);
|
||||
std::string task = result.get_task();
|
||||
std::string language = result.get_language();
|
||||
|
||||
json jres = json{
|
||||
{"task", task},
|
||||
{"language", language},
|
||||
{"duration", duration},
|
||||
{"text", text},
|
||||
{"segments", json::array()}
|
||||
};
|
||||
|
||||
// Merge language probability data into the top-level response.
|
||||
// Adapters return a json object whose keys are merged directly, allowing
|
||||
// model-specific fields (e.g. whisper's detected_language) to appear at
|
||||
// the top level alongside the standard language_probabilities map.
|
||||
json lang_data = result.get_language_probabilities();
|
||||
for (auto & [key, val] : lang_data.items()) {
|
||||
jres[key] = val;
|
||||
}
|
||||
|
||||
const int n_segments = result.n_segments();
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
auto seg = result.get_segment(i);
|
||||
|
||||
json segment = json{
|
||||
{"id", i},
|
||||
{"text", seg.text},
|
||||
};
|
||||
|
||||
if (!no_timestamps) {
|
||||
segment["start"] = seg.t0 * 0.001f; // ms -> seconds
|
||||
segment["end"] = seg.t1 * 0.001f;
|
||||
}
|
||||
|
||||
auto speaker_id = result.get_speaker(i);
|
||||
if (!speaker_id.empty()) {
|
||||
segment["speaker"] = speaker_id;
|
||||
}
|
||||
|
||||
// Build word-level tokens by merging partial UTF-8 tokens
|
||||
std::vector<json> words;
|
||||
int n_tokens = (int)seg.tokens.size();
|
||||
float total_logprob = 0.0f;
|
||||
|
||||
for (int j = 0; j < n_tokens; ++j) {
|
||||
auto & tok = seg.tokens[j];
|
||||
|
||||
// Merge trailing partial UTF-8 bytes into complete words
|
||||
std::string word_text = tok.text;
|
||||
int64_t word_t1 = tok.t1;
|
||||
|
||||
while (j + 1 < n_tokens) {
|
||||
int trailing = utf8_trailing_bytes_needed(word_text);
|
||||
if (trailing <= 0) break;
|
||||
|
||||
++j;
|
||||
auto & next_tok = seg.tokens[j];
|
||||
word_text += next_tok.text;
|
||||
if (next_tok.t1 > word_t1) {
|
||||
word_t1 = next_tok.t1;
|
||||
}
|
||||
}
|
||||
|
||||
json word = json{{"word", word_text}};
|
||||
if (!no_timestamps && token_timestamps) {
|
||||
word["start"] = tok.t0 * 0.001f;
|
||||
word["end"] = word_t1 * 0.001f;
|
||||
}
|
||||
word["probability"] = tok.prob;
|
||||
|
||||
// Approximate logprob from probability
|
||||
float logprob = tok.prob > 0.0f ? std::log(tok.prob + 1e-10f) : -1e10f;
|
||||
total_logprob += logprob;
|
||||
|
||||
words.push_back(word);
|
||||
}
|
||||
|
||||
segment["words"] = words;
|
||||
segment["tokens"] = json::array();
|
||||
for (auto & tok : seg.tokens) {
|
||||
segment["tokens"].push_back(tok.id);
|
||||
}
|
||||
|
||||
segment["temperature"] = temperature;
|
||||
int n_word_tokens = (int)seg.tokens.size();
|
||||
segment["avg_logprob"] = n_word_tokens > 0 ? total_logprob / n_word_tokens : 0.0f;
|
||||
segment["no_speech_prob"] = seg.no_speech_prob;
|
||||
|
||||
jres["segments"].push_back(segment);
|
||||
}
|
||||
|
||||
return jres.dump(-1, ' ', false, json::error_handler_t::replace);
|
||||
}
|
||||
|
||||
void setup_server_common(
|
||||
httplib::Server & svr,
|
||||
const server_params & sparams,
|
||||
std::atomic<server_state> & state,
|
||||
std::function<void(const httplib::Request &, httplib::Response &)> load_handler,
|
||||
std::function<void(const httplib::Request &, httplib::Response &)> inference_handler,
|
||||
const std::string & default_content,
|
||||
const std::string & server_name) {
|
||||
|
||||
svr.set_default_headers({
|
||||
{"Server", server_name},
|
||||
{"Access-Control-Allow-Origin", "*"},
|
||||
{"Access-Control-Allow-Headers", "content-type, authorization"}
|
||||
});
|
||||
|
||||
// Default index page
|
||||
svr.Get(sparams.request_path + "/", [&](const httplib::Request &, httplib::Response & res) {
|
||||
res.set_content(default_content, "text/html");
|
||||
return false;
|
||||
});
|
||||
|
||||
// CORS preflight
|
||||
svr.Options(sparams.request_path + sparams.inference_path,
|
||||
[&](const httplib::Request &, httplib::Response &) {});
|
||||
|
||||
// Inference endpoint
|
||||
svr.Post(sparams.request_path + sparams.inference_path, inference_handler);
|
||||
|
||||
// Model reload endpoint
|
||||
if (load_handler) {
|
||||
svr.Post(sparams.request_path + "/load", load_handler);
|
||||
}
|
||||
|
||||
// Health check
|
||||
svr.Get(sparams.request_path + "/health", [&](const httplib::Request &, httplib::Response & res) {
|
||||
server_state current_state = state.load();
|
||||
if (current_state == SERVER_STATE_READY) {
|
||||
res.set_content("{\"status\":\"ok\"}", "application/json");
|
||||
} else {
|
||||
res.set_content("{\"status\":\"loading model\"}", "application/json");
|
||||
res.status = 503;
|
||||
}
|
||||
});
|
||||
|
||||
// Exception handler
|
||||
svr.set_exception_handler([](const httplib::Request &, httplib::Response & res, std::exception_ptr ep) {
|
||||
const char fmt[] = "500 Internal Server Error\n%s";
|
||||
char buf[BUFSIZ];
|
||||
try {
|
||||
std::rethrow_exception(std::move(ep));
|
||||
} catch (std::exception & e) {
|
||||
snprintf(buf, sizeof(buf), fmt, e.what());
|
||||
} catch (...) {
|
||||
snprintf(buf, sizeof(buf), fmt, "Unknown Exception");
|
||||
}
|
||||
res.set_content(buf, "text/plain");
|
||||
res.status = 500;
|
||||
});
|
||||
|
||||
// Error handler
|
||||
svr.set_error_handler([](const httplib::Request & req, httplib::Response & res) {
|
||||
if (res.status == 400) {
|
||||
res.set_content("Invalid request", "text/plain");
|
||||
} else if (res.status != 500) {
|
||||
res.set_content("File Not Found (" + req.path + ")", "text/plain");
|
||||
res.status = 404;
|
||||
}
|
||||
});
|
||||
|
||||
svr.set_read_timeout(sparams.read_timeout);
|
||||
svr.set_write_timeout(sparams.write_timeout);
|
||||
}
|
||||
|
|
@ -0,0 +1,100 @@
|
|||
// Common server utilities for whisper.cpp and parakeet.cpp servers
|
||||
// Extracts shared HTTP infrastructure, response formatting, and request handling.
|
||||
#pragma once
|
||||
|
||||
#include "httplib.h"
|
||||
#include "json.hpp"
|
||||
|
||||
#include <atomic>
|
||||
#include <chrono>
|
||||
#include <mutex>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
using json = nlohmann::ordered_json;
|
||||
|
||||
enum server_state {
|
||||
SERVER_STATE_LOADING_MODEL,
|
||||
SERVER_STATE_READY,
|
||||
};
|
||||
|
||||
struct server_params {
|
||||
std::string hostname = "127.0.0.1";
|
||||
std::string public_path = "examples/server/public";
|
||||
std::string request_path = "";
|
||||
std::string inference_path = "/inference";
|
||||
std::string tmp_dir = ".";
|
||||
|
||||
int32_t port = 8080;
|
||||
int32_t read_timeout = 600;
|
||||
int32_t write_timeout = 600;
|
||||
|
||||
bool ffmpeg_converter = false;
|
||||
bool keep_input_audio = false;
|
||||
};
|
||||
|
||||
struct segment_token {
|
||||
int32_t id;
|
||||
std::string text;
|
||||
int64_t t0; // in ms
|
||||
int64_t t1; // in ms
|
||||
float prob;
|
||||
};
|
||||
|
||||
struct segment_info {
|
||||
std::string text;
|
||||
int64_t t0; // in ms
|
||||
int64_t t1; // in ms
|
||||
float no_speech_prob;
|
||||
std::vector<segment_token> tokens;
|
||||
};
|
||||
|
||||
struct transcription_result {
|
||||
virtual ~transcription_result() = default;
|
||||
|
||||
virtual int n_segments() const = 0;
|
||||
virtual segment_info get_segment(int i) const = 0;
|
||||
|
||||
virtual std::string get_speaker(int /*i*/) const { return {}; }
|
||||
virtual std::string get_language() const { return {}; }
|
||||
virtual json get_language_probabilities() const { return {}; }
|
||||
virtual std::string get_task() const { return "transcribe"; }
|
||||
};
|
||||
|
||||
extern const std::string json_format;
|
||||
extern const std::string text_format;
|
||||
extern const std::string srt_format;
|
||||
extern const std::string vjson_format;
|
||||
extern const std::string vtt_format;
|
||||
|
||||
std::string format_text(const transcription_result & result);
|
||||
std::string format_srt(const transcription_result & result, int offset_n = 0);
|
||||
std::string format_vtt(const transcription_result & result);
|
||||
std::string format_json(const transcription_result & result);
|
||||
std::string format_verbose_json(
|
||||
const transcription_result & result,
|
||||
float temperature,
|
||||
float duration,
|
||||
bool no_timestamps,
|
||||
bool token_timestamps);
|
||||
|
||||
|
||||
bool parse_str_to_bool(const std::string & s);
|
||||
|
||||
bool check_ffmpeg_availability();
|
||||
|
||||
std::string generate_temp_filename(const std::string & path, const std::string & prefix, const std::string & extension);
|
||||
|
||||
bool convert_to_wav(const std::string & temp_filename, std::string & error_resp, bool stereo);
|
||||
|
||||
void setup_signal_handler(std::function<void()> shutdown_callback);
|
||||
|
||||
// Set up common server configuration (CORS, error handlers, timeouts)
|
||||
void setup_server_common(
|
||||
httplib::Server & svr,
|
||||
const server_params & sparams,
|
||||
std::atomic<server_state> & state,
|
||||
std::function<void(const httplib::Request &, httplib::Response &)> load_handler,
|
||||
std::function<void(const httplib::Request &, httplib::Response &)> inference_handler,
|
||||
const std::string & default_content,
|
||||
const std::string & server_name);
|
||||
|
|
@ -2,7 +2,9 @@ set(CMAKE_CXX_STANDARD 17)
|
|||
set(CMAKE_CXX_STANDARD_REQUIRED ON)
|
||||
|
||||
set(TARGET whisper-server)
|
||||
add_executable(${TARGET} server.cpp httplib.h)
|
||||
add_executable(${TARGET} server.cpp ../httplib.h)
|
||||
|
||||
target_sources(${TARGET} PRIVATE ../server-common.cpp)
|
||||
|
||||
include(DefaultTargetOptions)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
#include "common.h"
|
||||
#include "common-whisper.h"
|
||||
#include "server-common.h"
|
||||
|
||||
#include "whisper.h"
|
||||
#include "httplib.h"
|
||||
|
|
@ -17,7 +18,6 @@
|
|||
#include <memory>
|
||||
#include <csignal>
|
||||
#include <atomic>
|
||||
#include <functional>
|
||||
#include <cstdlib>
|
||||
#if defined (_WIN32)
|
||||
#include <windows.h>
|
||||
|
|
@ -26,49 +26,8 @@
|
|||
using namespace httplib;
|
||||
using json = nlohmann::ordered_json;
|
||||
|
||||
enum server_state {
|
||||
SERVER_STATE_LOADING_MODEL, // Server is starting up, model not fully loaded yet
|
||||
SERVER_STATE_READY, // Server is ready and model is loaded
|
||||
};
|
||||
|
||||
namespace {
|
||||
|
||||
// output formats
|
||||
const std::string json_format = "json";
|
||||
const std::string text_format = "text";
|
||||
const std::string srt_format = "srt";
|
||||
const std::string vjson_format = "verbose_json";
|
||||
const std::string vtt_format = "vtt";
|
||||
|
||||
std::function<void(int)> shutdown_handler;
|
||||
std::atomic_flag is_terminating = ATOMIC_FLAG_INIT;
|
||||
|
||||
inline void signal_handler(int signal) {
|
||||
if (is_terminating.test_and_set()) {
|
||||
// in case it hangs, we can force terminate the server by hitting Ctrl+C twice
|
||||
// this is for better developer experience, we can remove when the server is stable enough
|
||||
fprintf(stderr, "Received second interrupt, terminating immediately.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
shutdown_handler(signal);
|
||||
}
|
||||
|
||||
struct server_params
|
||||
{
|
||||
std::string hostname = "127.0.0.1";
|
||||
std::string public_path = "examples/server/public";
|
||||
std::string request_path = "";
|
||||
std::string inference_path = "/inference";
|
||||
std::string tmp_dir = ".";
|
||||
|
||||
int32_t port = 8080;
|
||||
int32_t read_timeout = 600;
|
||||
int32_t write_timeout = 600;
|
||||
|
||||
bool ffmpeg_converter = false;
|
||||
};
|
||||
|
||||
struct whisper_params {
|
||||
int32_t n_threads = std::min(4, (int32_t) std::thread::hardware_concurrency());
|
||||
int32_t n_processors = 1;
|
||||
|
|
@ -282,65 +241,6 @@ struct whisper_print_user_data {
|
|||
int progress_prev;
|
||||
};
|
||||
|
||||
void check_ffmpeg_availibility() {
|
||||
int result = system("ffmpeg -version");
|
||||
|
||||
if (result == 0) {
|
||||
std::cout << "ffmpeg is available." << std::endl;
|
||||
} else {
|
||||
// ffmpeg is not available
|
||||
std::cout << "ffmpeg is not found. Please ensure that ffmpeg is installed ";
|
||||
std::cout << "and that its executable is included in your system's PATH. ";
|
||||
exit(0);
|
||||
}
|
||||
}
|
||||
|
||||
std::string generate_temp_filename(const std::string &path, const std::string &prefix, const std::string &extension) {
|
||||
auto now = std::chrono::system_clock::now();
|
||||
auto now_time_t = std::chrono::system_clock::to_time_t(now);
|
||||
|
||||
static std::mt19937 rng{std::random_device{}()};
|
||||
std::uniform_int_distribution<long long> dist(0, 1e9);
|
||||
|
||||
std::stringstream ss;
|
||||
ss << path
|
||||
<< std::filesystem::path::preferred_separator
|
||||
<< prefix
|
||||
<< "-"
|
||||
<< std::put_time(std::localtime(&now_time_t), "%Y%m%d-%H%M%S")
|
||||
<< "-"
|
||||
<< dist(rng)
|
||||
<< extension;
|
||||
|
||||
return ss.str();
|
||||
}
|
||||
|
||||
bool convert_to_wav(const std::string & temp_filename, std::string & error_resp, bool stereo) {
|
||||
std::ostringstream cmd_stream;
|
||||
std::string converted_filename_temp = temp_filename + "_temp.wav";
|
||||
cmd_stream << "ffmpeg -i \"" << temp_filename << "\" -y -ar 16000 -ac " << (stereo ? 2 : 1) << " -c:a pcm_s16le \"" << converted_filename_temp << "\" 2>&1";
|
||||
std::string cmd = cmd_stream.str();
|
||||
|
||||
int status = std::system(cmd.c_str());
|
||||
if (status != 0) {
|
||||
error_resp = "{\"error\":\"FFmpeg conversion failed.\"}";
|
||||
return false;
|
||||
}
|
||||
|
||||
// Remove the original file
|
||||
if (remove(temp_filename.c_str()) != 0) {
|
||||
error_resp = "{\"error\":\"Failed to remove the original file.\"}";
|
||||
return false;
|
||||
}
|
||||
|
||||
// Rename the temporary file to match the original filename
|
||||
if (rename(converted_filename_temp.c_str(), temp_filename.c_str()) != 0) {
|
||||
error_resp = "{\"error\":\"Failed to rename the temporary file.\"}";
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
std::string estimate_diarization_speaker(const std::vector<std::vector<float>> & pcmf32s, int64_t t0, int64_t t1, bool id_only = false) {
|
||||
std::string speaker = "";
|
||||
const int64_t n_samples = pcmf32s[0].size();
|
||||
|
|
@ -451,32 +351,6 @@ void whisper_print_segment_callback(struct whisper_context * ctx, struct whisper
|
|||
}
|
||||
}
|
||||
|
||||
std::string output_str(struct whisper_context * ctx, const whisper_params & params, const std::vector<std::vector<float>> & pcmf32s) {
|
||||
std::stringstream result;
|
||||
const int n_segments = whisper_full_n_segments(ctx);
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
const char * text = whisper_full_get_segment_text(ctx, i);
|
||||
std::string speaker = "";
|
||||
|
||||
if (params.diarize && pcmf32s.size() == 2)
|
||||
{
|
||||
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
|
||||
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
|
||||
speaker = estimate_diarization_speaker(pcmf32s, t0, t1);
|
||||
}
|
||||
|
||||
result << speaker << text << "\n";
|
||||
}
|
||||
return result.str();
|
||||
}
|
||||
|
||||
bool parse_str_to_bool(const std::string & s) {
|
||||
if (s == "true" || s == "1" || s == "yes" || s == "y") {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
void get_req_parameters(const Request & req, whisper_params & params)
|
||||
{
|
||||
if (req.has_file("offset_t"))
|
||||
|
|
@ -627,6 +501,87 @@ void get_req_parameters(const Request & req, whisper_params & params)
|
|||
}
|
||||
}
|
||||
|
||||
struct whisper_result : transcription_result {
|
||||
whisper_context * ctx;
|
||||
const whisper_params & params;
|
||||
const std::vector<std::vector<float>> & pcmf32s;
|
||||
|
||||
whisper_result(whisper_context * c, const whisper_params & p,
|
||||
const std::vector<std::vector<float>> & s)
|
||||
: ctx(c), params(p), pcmf32s(s) {}
|
||||
|
||||
int n_segments() const override {
|
||||
return whisper_full_n_segments(ctx);
|
||||
}
|
||||
|
||||
segment_info get_segment(int i) const override {
|
||||
segment_info seg;
|
||||
seg.text = whisper_full_get_segment_text(ctx, i);
|
||||
seg.t0 = whisper_full_get_segment_t0(ctx, i) * 10; // centiseconds -> ms
|
||||
seg.t1 = whisper_full_get_segment_t1(ctx, i) * 10;
|
||||
seg.no_speech_prob = whisper_full_get_segment_no_speech_prob(ctx, i);
|
||||
|
||||
const int n_tokens = whisper_full_n_tokens(ctx, i);
|
||||
seg.tokens.reserve(n_tokens);
|
||||
for (int j = 0; j < n_tokens; ++j) {
|
||||
whisper_token_data tok = whisper_full_get_token_data(ctx, i, j);
|
||||
if (tok.id >= whisper_token_eot(ctx)) {
|
||||
continue;
|
||||
}
|
||||
segment_token st;
|
||||
st.id = tok.id;
|
||||
st.text = whisper_full_get_token_text(ctx, i, j);
|
||||
st.t0 = tok.t0 * 10; // centiseconds -> ms
|
||||
st.t1 = tok.t1 * 10;
|
||||
st.prob = tok.p;
|
||||
seg.tokens.push_back(st);
|
||||
}
|
||||
return seg;
|
||||
}
|
||||
|
||||
std::string get_speaker(int i) const override {
|
||||
if (params.diarize && pcmf32s.size() == 2) {
|
||||
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
|
||||
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
|
||||
return estimate_diarization_speaker(pcmf32s, t0, t1);
|
||||
}
|
||||
if (params.tinydiarize) {
|
||||
return whisper_full_get_segment_speaker_turn_next(ctx, i)
|
||||
? params.tdrz_speaker_turn : std::string{};
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
std::string get_language() const override {
|
||||
return whisper_lang_str_full(whisper_full_lang_id(ctx));
|
||||
}
|
||||
|
||||
json get_language_probabilities() const override {
|
||||
if (params.no_language_probabilities) {
|
||||
return {};
|
||||
}
|
||||
std::vector<float> lang_probs(whisper_lang_max_id() + 1, 0.0f);
|
||||
const auto detected_id = whisper_lang_auto_detect(ctx, 0, params.n_threads, lang_probs.data());
|
||||
|
||||
json lang_prob_map = json::object();
|
||||
for (int i = 0; i <= whisper_lang_max_id(); ++i) {
|
||||
if (lang_probs[i] > 0.001f) {
|
||||
lang_prob_map[whisper_lang_str(i)] = lang_probs[i];
|
||||
}
|
||||
}
|
||||
|
||||
return json{
|
||||
{"detected_language", whisper_lang_str_full(detected_id)},
|
||||
{"detected_language_probability", lang_probs[detected_id]},
|
||||
{"language_probabilities", lang_prob_map},
|
||||
};
|
||||
}
|
||||
|
||||
std::string get_task() const override {
|
||||
return params.translate ? "translate" : "transcribe";
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace
|
||||
|
||||
int main(int argc, char ** argv) {
|
||||
|
|
@ -655,7 +610,7 @@ int main(int argc, char ** argv) {
|
|||
}
|
||||
|
||||
if (sparams.ffmpeg_converter) {
|
||||
check_ffmpeg_availibility();
|
||||
check_ffmpeg_availability();
|
||||
}
|
||||
// whisper init
|
||||
struct whisper_context_params cparams = whisper_context_default_params();
|
||||
|
|
@ -725,11 +680,6 @@ int main(int argc, char ** argv) {
|
|||
whisper_ctx_init_openvino_encoder(ctx, nullptr, params.openvino_encode_device.c_str(), nullptr);
|
||||
state.store(SERVER_STATE_READY);
|
||||
|
||||
|
||||
svr->set_default_headers({{"Server", "whisper.cpp"},
|
||||
{"Access-Control-Allow-Origin", "*"},
|
||||
{"Access-Control-Allow-Headers", "content-type, authorization"}});
|
||||
|
||||
std::string const default_content = R"(
|
||||
<html>
|
||||
<head>
|
||||
|
|
@ -805,16 +755,7 @@ int main(int argc, char ** argv) {
|
|||
// store default params so we can reset after each inference request
|
||||
whisper_params default_params = params;
|
||||
|
||||
// this is only called if no index.html is found in the public --path
|
||||
svr->Get(sparams.request_path + "/", [&](const Request &, Response &res){
|
||||
res.set_content(default_content, "text/html");
|
||||
return false;
|
||||
});
|
||||
|
||||
svr->Options(sparams.request_path + sparams.inference_path, [&](const Request &, Response &){
|
||||
});
|
||||
|
||||
svr->Post(sparams.request_path + sparams.inference_path, [&](const Request &req, Response &res){
|
||||
auto inference_handler = [&](const Request & req, Response & res) {
|
||||
// acquire whisper model mutex lock
|
||||
std::lock_guard<std::mutex> lock(whisper_mutex);
|
||||
|
||||
|
|
@ -1004,163 +945,31 @@ int main(int argc, char ** argv) {
|
|||
}
|
||||
}
|
||||
|
||||
whisper_result result{ctx, params, pcmf32s};
|
||||
|
||||
// return results to user
|
||||
if (params.response_format == text_format)
|
||||
{
|
||||
std::string results = output_str(ctx, params, pcmf32s);
|
||||
res.set_content(results.c_str(), "text/html; charset=utf-8");
|
||||
res.set_content(format_text(result), "text/html; charset=utf-8");
|
||||
}
|
||||
else if (params.response_format == srt_format)
|
||||
{
|
||||
std::stringstream ss;
|
||||
const int n_segments = whisper_full_n_segments(ctx);
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
const char * text = whisper_full_get_segment_text(ctx, i);
|
||||
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
|
||||
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
|
||||
std::string speaker = "";
|
||||
|
||||
if (params.diarize && pcmf32s.size() == 2)
|
||||
{
|
||||
speaker = estimate_diarization_speaker(pcmf32s, t0, t1);
|
||||
}
|
||||
|
||||
ss << i + 1 + params.offset_n << "\n";
|
||||
ss << to_timestamp(t0, true) << " --> " << to_timestamp(t1, true) << "\n";
|
||||
ss << speaker << text << "\n\n";
|
||||
}
|
||||
res.set_content(ss.str(), "application/x-subrip");
|
||||
res.set_content(format_srt(result, params.offset_n), "application/x-subrip");
|
||||
} else if (params.response_format == vtt_format) {
|
||||
std::stringstream ss;
|
||||
|
||||
ss << "WEBVTT\n\n";
|
||||
|
||||
const int n_segments = whisper_full_n_segments(ctx);
|
||||
for (int i = 0; i < n_segments; ++i) {
|
||||
const char * text = whisper_full_get_segment_text(ctx, i);
|
||||
const int64_t t0 = whisper_full_get_segment_t0(ctx, i);
|
||||
const int64_t t1 = whisper_full_get_segment_t1(ctx, i);
|
||||
std::string speaker = "";
|
||||
|
||||
if (params.diarize && pcmf32s.size() == 2)
|
||||
{
|
||||
speaker = estimate_diarization_speaker(pcmf32s, t0, t1, true);
|
||||
speaker.insert(0, "<v Speaker");
|
||||
speaker.append(">");
|
||||
}
|
||||
|
||||
ss << to_timestamp(t0) << " --> " << to_timestamp(t1) << "\n";
|
||||
ss << speaker << text << "\n\n";
|
||||
}
|
||||
res.set_content(ss.str(), "text/vtt");
|
||||
res.set_content(format_vtt(result), "text/vtt");
|
||||
} else if (params.response_format == vjson_format) {
|
||||
/* try to match openai/whisper's Python format */
|
||||
std::string results = output_str(ctx, params, pcmf32s);
|
||||
json jres = json{
|
||||
{"task", params.translate ? "translate" : "transcribe"},
|
||||
{"language", whisper_lang_str_full(whisper_full_lang_id(ctx))},
|
||||
{"duration", float(pcmf32.size())/WHISPER_SAMPLE_RATE},
|
||||
{"text", results},
|
||||
{"segments", json::array()}
|
||||
};
|
||||
// Only compute language probabilities if requested (expensive operation)
|
||||
if (!params.no_language_probabilities) {
|
||||
std::vector<float> lang_probs(whisper_lang_max_id() + 1, 0.0f);
|
||||
const auto detected_lang_id = whisper_lang_auto_detect(ctx, 0, params.n_threads, lang_probs.data());
|
||||
jres["detected_language"] = whisper_lang_str_full(detected_lang_id);
|
||||
jres["detected_language_probability"] = lang_probs[detected_lang_id];
|
||||
jres["language_probabilities"] = json::object();
|
||||
// Add all language probabilities
|
||||
for (int i = 0; i <= whisper_lang_max_id(); ++i) {
|
||||
if (lang_probs[i] > 0.001f) { // Only include non-negligible probabilities
|
||||
jres["language_probabilities"][whisper_lang_str(i)] = lang_probs[i];
|
||||
}
|
||||
}
|
||||
}
|
||||
const int n_segments = whisper_full_n_segments(ctx);
|
||||
for (int i = 0; i < n_segments; ++i)
|
||||
{
|
||||
json segment = json{
|
||||
{"id", i},
|
||||
{"text", whisper_full_get_segment_text(ctx, i)},
|
||||
};
|
||||
|
||||
if (!params.no_timestamps) {
|
||||
segment["start"] = whisper_full_get_segment_t0(ctx, i) * 0.01;
|
||||
segment["end"] = whisper_full_get_segment_t1(ctx, i) * 0.01;
|
||||
}
|
||||
|
||||
if (params.diarize && pcmf32s.size() == 2) {
|
||||
segment["speaker"] = estimate_diarization_speaker(
|
||||
pcmf32s,
|
||||
whisper_full_get_segment_t0(ctx, i),
|
||||
whisper_full_get_segment_t1(ctx, i),
|
||||
true);
|
||||
}
|
||||
|
||||
float total_logprob = 0;
|
||||
const int n_tokens = whisper_full_n_tokens(ctx, i);
|
||||
for (int j = 0; j < n_tokens; ++j) {
|
||||
whisper_token_data token = whisper_full_get_token_data(ctx, i, j);
|
||||
if (token.id >= whisper_token_eot(ctx)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
segment["tokens"].push_back(token.id);
|
||||
std::string word_text = whisper_full_get_token_text(ctx, i, j);
|
||||
int64_t word_t1 = token.t1;
|
||||
|
||||
while (j + 1 < n_tokens && utf8_trailing_bytes_needed(word_text) > 0) {
|
||||
const whisper_token_data next_token = whisper_full_get_token_data(ctx, i, j + 1);
|
||||
// Keep verbose_json tokens free of EOT ids, matching the pre-merge server behavior.
|
||||
if (next_token.id >= whisper_token_eot(ctx)) {
|
||||
break;
|
||||
}
|
||||
|
||||
++j;
|
||||
segment["tokens"].push_back(next_token.id);
|
||||
word_text += whisper_full_get_token_text(ctx, i, j);
|
||||
if (next_token.t1 > -1) {
|
||||
word_t1 = next_token.t1;
|
||||
}
|
||||
total_logprob += next_token.plog;
|
||||
}
|
||||
|
||||
json word = json{{"word", word_text}};
|
||||
if (!params.no_timestamps && params.token_timestamps) {
|
||||
word["start"] = token.t0 * 0.01;
|
||||
word["end"] = word_t1 * 0.01;
|
||||
word["t_dtw"] = token.t_dtw;
|
||||
}
|
||||
word["probability"] = token.p;
|
||||
total_logprob += token.plog;
|
||||
segment["words"].push_back(word);
|
||||
}
|
||||
|
||||
segment["temperature"] = params.temperature;
|
||||
segment["avg_logprob"] = total_logprob / n_tokens;
|
||||
|
||||
// TODO compression_ratio and no_speech_prob are not implemented yet
|
||||
// segment["compression_ratio"] = 0;
|
||||
segment["no_speech_prob"] = whisper_full_get_segment_no_speech_prob(ctx, i);
|
||||
|
||||
jres["segments"].push_back(segment);
|
||||
}
|
||||
res.set_content(jres.dump(-1, ' ', false, json::error_handler_t::replace),
|
||||
"application/json");
|
||||
res.set_content(
|
||||
format_verbose_json(result, params.temperature, float(pcmf32.size())/WHISPER_SAMPLE_RATE, params.no_timestamps, params.token_timestamps),
|
||||
"application/json");
|
||||
}
|
||||
// TODO add more output formats
|
||||
else
|
||||
{
|
||||
std::string results = output_str(ctx, params, pcmf32s);
|
||||
json jres = json{
|
||||
{"text", results}
|
||||
};
|
||||
res.set_content(jres.dump(-1, ' ', false, json::error_handler_t::replace),
|
||||
"application/json");
|
||||
res.set_content(format_json(result), "application/json");
|
||||
}
|
||||
});
|
||||
svr->Post(sparams.request_path + "/load", [&](const Request &req, Response &res){
|
||||
};
|
||||
|
||||
auto load_handler = [&](const Request & req, Response & res) {
|
||||
std::lock_guard<std::mutex> lock(whisper_mutex);
|
||||
state.store(SERVER_STATE_LOADING_MODEL);
|
||||
if (!req.has_file("model"))
|
||||
|
|
@ -1201,46 +1010,17 @@ int main(int argc, char ** argv) {
|
|||
res.set_content(success, "application/text");
|
||||
|
||||
// check if the model is in the file system
|
||||
});
|
||||
};
|
||||
|
||||
svr->Get(sparams.request_path + "/health", [&](const Request &, Response &res){
|
||||
server_state current_state = state.load();
|
||||
if (current_state == SERVER_STATE_READY) {
|
||||
const std::string health_response = "{\"status\":\"ok\"}";
|
||||
res.set_content(health_response, "application/json");
|
||||
} else {
|
||||
res.set_content("{\"status\":\"loading model\"}", "application/json");
|
||||
res.status = 503;
|
||||
setup_server_common(*svr, sparams, state, load_handler, inference_handler, default_content, "whisper.cpp");
|
||||
|
||||
setup_signal_handler([&]() {
|
||||
printf("\nCaught shutdown signal, shutting down gracefully...\n");
|
||||
if (svr) {
|
||||
svr->stop();
|
||||
}
|
||||
});
|
||||
|
||||
svr->set_exception_handler([](const Request &, Response &res, std::exception_ptr ep) {
|
||||
const char fmt[] = "500 Internal Server Error\n%s";
|
||||
char buf[BUFSIZ];
|
||||
try {
|
||||
std::rethrow_exception(std::move(ep));
|
||||
} catch (std::exception &e) {
|
||||
snprintf(buf, sizeof(buf), fmt, e.what());
|
||||
} catch (...) {
|
||||
snprintf(buf, sizeof(buf), fmt, "Unknown Exception");
|
||||
}
|
||||
res.set_content(buf, "text/plain");
|
||||
res.status = 500;
|
||||
});
|
||||
|
||||
svr->set_error_handler([](const Request &req, Response &res) {
|
||||
if (res.status == 400) {
|
||||
res.set_content("Invalid request", "text/plain");
|
||||
} else if (res.status != 500) {
|
||||
res.set_content("File Not Found (" + req.path + ")", "text/plain");
|
||||
res.status = 404;
|
||||
}
|
||||
});
|
||||
|
||||
// set timeouts and change hostname and port
|
||||
svr->set_read_timeout(sparams.read_timeout);
|
||||
svr->set_write_timeout(sparams.write_timeout);
|
||||
|
||||
if (!svr->bind_to_port(sparams.hostname, sparams.port))
|
||||
{
|
||||
fprintf(stderr, "\ncouldn't bind to server socket: hostname=%s port=%d\n\n",
|
||||
|
|
@ -1254,27 +1034,6 @@ int main(int argc, char ** argv) {
|
|||
// to make it ctrl+clickable:
|
||||
printf("\nwhisper server listening at http://%s:%d\n\n", sparams.hostname.c_str(), sparams.port);
|
||||
|
||||
shutdown_handler = [&](int signal) {
|
||||
printf("\nCaught signal %d, shutting down gracefully...\n", signal);
|
||||
if (svr) {
|
||||
svr->stop();
|
||||
}
|
||||
};
|
||||
|
||||
#if defined (__unix__) || (defined (__APPLE__) && defined (__MACH__))
|
||||
struct sigaction sigint_action;
|
||||
sigint_action.sa_handler = signal_handler;
|
||||
sigemptyset (&sigint_action.sa_mask);
|
||||
sigint_action.sa_flags = 0;
|
||||
sigaction(SIGINT, &sigint_action, NULL);
|
||||
sigaction(SIGTERM, &sigint_action, NULL);
|
||||
#elif defined (_WIN32)
|
||||
auto console_ctrl_handler = +[](DWORD ctrl_type) -> BOOL {
|
||||
return (ctrl_type == CTRL_C_EVENT) ? (signal_handler(SIGINT), true) : false;
|
||||
};
|
||||
SetConsoleCtrlHandler(reinterpret_cast<PHANDLER_ROUTINE>(console_ctrl_handler), true);
|
||||
#endif
|
||||
|
||||
// clean up function, to be called before exit
|
||||
auto clean_up = [&]() {
|
||||
whisper_print_timings(ctx);
|
||||
|
|
|
|||
Loading…
Reference in New Issue