for (size_t pos = 0;; pos += replace.length()) {

pos = s.find(search, pos);

if (pos == std::string::npos) break;

s.erase(pos, search.length());

s.insert(pos, replace);

}

int32_t n_threads = std::min(4, (int32_t) std::thread::hardware_concurrency());

int32_t n_processors = 1;

int32_t offset_t_ms = 0;

int32_t offset_n = 0;

int32_t duration_ms = 0;

int32_t progress_step = 5;

int32_t max_context = -1;

int32_t max_len = 0;

int32_t best_of = 2;

int32_t beam_size = -1;

float word_thold = 0.01f;

float entropy_thold = 2.40f;

float logprob_thold = -1.00f;

bool speed_up = false;

bool debug_mode = false;

bool translate = false;

bool detect_language = false;

bool diarize = false;

bool tinydiarize = false;

bool split_on_word = false;

bool no_fallback = false;

bool print_special = false;

bool print_colors = false;

bool print_progress = false;

bool no_timestamps = false;

bool log_score = false;

bool use_gpu = true;

std::string language = "auto";

std::string prompt;

std::string font_path = "/System/Library/Fonts/Supplemental/Courier New Bold.ttf";

std::string model = "../models/ggml-base.en.bin";

// [TDRZ] speaker turn string

std::string tdrz_speaker_turn = " [SPEAKER_TURN]"; // TODO: set from command line

std::string openvino_encode_device = "CPU";

std::vector<std::string> fname_inp = {};

std::vector<std::string> fname_out = {};

for (int i = 1; i < argc; i++) {

std::string arg = argv[i];

if (arg == "-") {

params.fname_inp.push_back(arg);

continue;

}

if (arg[0] != '-') {

params.fname_inp.push_back(arg);

continue;

}

if (arg == "-h" || arg == "--help") {

whisper_print_usage(argc, argv, params);

exit(0);

} else if (arg == "-m" || arg == "--model") { params.model = argv[++i]; }

else if (arg == "-di" || arg == "--diarize") { params.diarize = true; }

else if (arg == "-t" || arg == "--threads") { params.n_threads = std::stoi(argv[++i]); }

else if (arg == "-p" || arg == "--processors") { params.n_processors = std::stoi(argv[++i]); }

else {

fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());

whisper_print_usage(argc, argv, params);

exit(0);

}

}

return true;

fprintf(stderr, "\n");

fprintf(stderr, "usage: %s [options] file0.wav file1.wav ...\n", argv[0]);

fprintf(stderr, "\n");

fprintf(stderr, "options:\n");

fprintf(stderr, " -h, --help [default] show this help message and exit\n");

fprintf(stderr, " -m FNAME, --model FNAME [%-7s] model path\n", params.model.c_str());

fprintf(stderr, " -di, --diarize [%-7s] stereo audio diarization\n",

params.diarize ? "true" : "false");

fprintf(stderr, "\n");

const whisper_local_params *params;

const std::vector<std::vector<float>> *pcmf32s;

int progress_prev;

int64_t t1, bool id_only = false) {

std::string speaker = "";

const int64_t n_samples = pcmf32s[0].size();

const int64_t is0 = timestamp_to_sample(t0, n_samples);

const int64_t is1 = timestamp_to_sample(t1, n_samples);

double energy0 = 0.0f;

double energy1 = 0.0f;

for (int64_t j = is0; j < is1; j++) {

energy0 += fabs(pcmf32s[0][j]);

energy1 += fabs(pcmf32s[1][j]);

}

if (energy0 > 1.1 * energy1) {

speaker = "0";

} else if (energy1 > 1.1 * energy0) {

speaker = "1";

} else {

speaker = "?";

}

//printf("is0 = %lld, is1 = %lld, energy0 = %f, energy1 = %f, speaker = %s\n", is0, is1, energy0, energy1, speaker.c_str());

if (!id_only) {

speaker.insert(0, "(speaker ");

speaker.append(")");

}

return speaker;

void *user_data) {

int progress_step = ((whisper_print_user_data *) user_data)->params->progress_step;

int *progress_prev = &(((whisper_print_user_data *) user_data)->progress_prev);

if (progress >= *progress_prev + progress_step) {

*progress_prev += progress_step;

fprintf(stderr, "%s: progress = %3d%%\n", __func__, progress);

}

void *user_data) {

const auto &params = *((whisper_print_user_data *) user_data)->params;

const auto &pcmf32s = *((whisper_print_user_data *) user_data)->pcmf32s;

const int n_segments = whisper_full_n_segments(ctx);

std::string speaker = "";

int64_t t0 = 0;

int64_t t1 = 0;

// print the last n_new segments

const int s0 = n_segments - n_new;

if (s0 == 0) {

printf("\n");

}

for (int i = s0; i < n_segments; i++) {

if (!params.no_timestamps || params.diarize) {

t0 = whisper_full_get_segment_t0(ctx, i);

t1 = whisper_full_get_segment_t1(ctx, i);

}

if (!params.no_timestamps) {

printf("[%s --> %s] ", to_timestamp(t0).c_str(), to_timestamp(t1).c_str());

}

if (params.diarize && pcmf32s.size() == 2) {

speaker = estimate_diarization_speaker(pcmf32s, t0, t1);

}

if (params.print_colors) {

for (int j = 0; j < whisper_full_n_tokens(ctx, i); ++j) {

if (params.print_special == false) {

const whisper_token id = whisper_full_get_token_id(ctx, i, j);

if (id >= whisper_token_eot(ctx)) {

continue;

}

}

const char *text = whisper_full_get_token_text(ctx, i, j);

const float p = whisper_full_get_token_p(ctx, i, j);

const int col = std::max(0, std::min((int) k_colors.size() - 1,

(int) (std::pow(p, 3) * float(k_colors.size()))));

printf("%s%s%s%s", speaker.c_str(), k_colors[col].c_str(), text, "\033[0m");

}

} else {

const char *text = whisper_full_get_segment_text(ctx, i);

printf("%s%s", speaker.c_str(), text);

}

if (params.tinydiarize) {

if (whisper_full_get_segment_speaker_turn_next(ctx, i)) {

printf("%s", params.tdrz_speaker_turn.c_str());

}

}

// with timestamps or speakers: each segment on new line

if (!params.no_timestamps || params.diarize) {

printf("\n");

}

fflush(stdout);

}

printf("start\n");

whisper_local_params params;

if (whisper_params_parse(argc, argv, params) == false) {

whisper_print_usage(argc, argv, params);

return 1;

}

if (params.fname_inp.empty()) {

fprintf(stderr, "error: no input files specified\n");

whisper_print_usage(argc, argv, params);

return 2;

}

if (params.language != "auto" && whisper_lang_id(params.language.c_str()) == -1) {

fprintf(stderr, "error: unknown language '%s'\n", params.language.c_str());

whisper_print_usage(argc, argv, params);

exit(0);

}

if (params.diarize && params.tinydiarize) {

fprintf(stderr, "error: cannot use both --diarize and --tinydiarize\n");

whisper_print_usage(argc, argv, params);

exit(0);

}

// whisper init

struct whisper_context_params cparams;

cparams.use_gpu = params.use_gpu;

struct whisper_context *ctx = whisper_init_from_file_with_params(params.model.c_str(),

cparams);

if (ctx == nullptr) {

fprintf(stderr, "error: failed to initialize whisper context\n");

return 3;

}

// initialize openvino encoder. this has no effect on whisper.cpp builds that don't have OpenVINO configured

whisper_ctx_init_openvino_encoder(ctx, nullptr, params.openvino_encode_device.c_str(),

nullptr);

for (int f = 0; f < (int) params.fname_inp.size(); ++f) {

const auto fname_inp = params.fname_inp[f];

const auto fname_out = f < (int) params.fname_out.size() && !params.fname_out[f].empty()

? params.fname_out[f] : params.fname_inp[f];

std::vector<float> pcmf32; // mono-channel F32 PCM

std::vector<std::vector<float>> pcmf32s; // stereo-channel F32 PCM

if (!::read_wav(fname_inp, pcmf32, pcmf32s, params.diarize)) {

fprintf(stderr, "error: failed to read WAV fstream '%s'\n", fname_inp.c_str());

continue;

}

// print system information

{

fprintf(stderr, "\n");

fprintf(stderr, "system_info: n_threads = %d / %d | %s\n",

params.n_threads * params.n_processors, std::thread::hardware_concurrency(),

whisper_print_system_info());

}

// print some info about the processing

{

fprintf(stderr, "\n");

if (!whisper_is_multilingual(ctx)) {

if (params.language != "en" || params.translate) {

params.language = "en";

params.translate = false;

fprintf(stderr,

"%s: WARNING: model is not multilingual, ignoring language and translation options\n",

__func__);

}

}

if (params.detect_language) {

params.language = "auto";

}

fprintf(stderr,

"%s: processing '%s' (%d samples, %.1f sec), %d threads, %d processors, lang = %s, task = %s, %stimestamps = %d ...\n",

__func__, fname_inp.c_str(), int(pcmf32.size()), float(pcmf32.size()) / WHISPER_SAMPLE_RATE,

params.n_threads, params.n_processors,

params.language.c_str(),

params.translate ? "translate" : "transcribe",

params.tinydiarize ? "tdrz = 1, " : "",

params.no_timestamps ? 0 : 1);

fprintf(stderr, "\n");

}

// run the inference

{

whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);

wparams.strategy = params.beam_size > 1 ? WHISPER_SAMPLING_BEAM_SEARCH : WHISPER_SAMPLING_GREEDY;

wparams.print_realtime = false;

wparams.print_progress = params.print_progress;

wparams.print_timestamps = !params.no_timestamps;

wparams.print_special = params.print_special;

wparams.translate = params.translate;

wparams.language = params.language.c_str();

wparams.detect_language = params.detect_language;

wparams.n_threads = params.n_threads;

wparams.n_max_text_ctx = params.max_context >= 0 ? params.max_context : wparams.n_max_text_ctx;

wparams.offset_ms = params.offset_t_ms;

wparams.duration_ms = params.duration_ms;

wparams.token_timestamps = params.max_len > 0;

wparams.thold_pt = params.word_thold;

wparams.max_len = params.max_len == 0 ? 60 : params.max_len;

wparams.split_on_word = params.split_on_word;

wparams.speed_up = params.speed_up;

wparams.debug_mode = params.debug_mode;

wparams.tdrz_enable = params.tinydiarize; // [TDRZ]

wparams.initial_prompt = params.prompt.c_str();

wparams.greedy.best_of = params.best_of;

wparams.beam_search.beam_size = params.beam_size;

wparams.temperature_inc = params.no_fallback ? 0.0f : wparams.temperature_inc;

wparams.entropy_thold = params.entropy_thold;

wparams.logprob_thold = params.logprob_thold;

whisper_print_user_data user_data = {&params, &pcmf32s, 0};

// this callback is called on each new segment

if (!wparams.print_realtime) {

wparams.new_segment_callback = whisper_print_segment_callback;

wparams.new_segment_callback_user_data = &user_data;

}

if (wparams.print_progress) {

wparams.progress_callback = whisper_print_progress_callback;

wparams.progress_callback_user_data = &user_data;

}

// examples for abort mechanism

// in examples below, we do not abort the processing, but we could if the flag is set to true

// the callback is called before every encoder run - if it returns false, the processing is aborted

{

static bool is_aborted = false; // NOTE: this should be atomic to avoid data race

wparams.encoder_begin_callback = [](struct whisper_context * /*ctx*/,

struct whisper_state * /*state*/,

void *user_data) {

bool is_aborted = *(bool *) user_data;

return !is_aborted;

};

wparams.encoder_begin_callback_user_data = &is_aborted;

}

// the callback is called before every computation - if it returns true, the computation is aborted

{

static bool is_aborted = false; // NOTE: this should be atomic to avoid data race

wparams.abort_callback = [](void *user_data) {

bool is_aborted = *(bool *) user_data;

return is_aborted;

};

wparams.abort_callback_user_data = &is_aborted;

}

if (whisper_full_parallel(ctx, wparams, pcmf32.data(), pcmf32.size(), params.n_processors) != 0) {

fprintf(stderr, "%s: failed to process audio\n", argv[0]);

return 10;

}

}

}

whisper_print_timings(ctx);

whisper_free(ctx);

return 0;

}