forked from extern/whisper.cpp
command : clean-up / refactoring / formatting (#383)
This commit is contained in:
Georgi Gerganov
parent
9c4a1522f6
commit
d1ea1220ff
@ -11,7 +11,6 @@
|
||||
#include <SDL.h>
|
||||
#include <SDL_audio.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <sstream>
|
||||
#include <cassert>
|
||||
#include <cstdio>
|
||||
@ -515,440 +514,406 @@ std::vector<std::string> read_allowed_commands(const std::string & fname) {
|
||||
return allowed_commands;
|
||||
}
|
||||
|
||||
std::vector<std::string> get_words(const std::string &txt) {
|
||||
std::vector<std::string> words;
|
||||
|
||||
std::istringstream iss(txt);
|
||||
std::string word;
|
||||
while (iss >> word) {
|
||||
words.push_back(word);
|
||||
}
|
||||
|
||||
return words;
|
||||
}
|
||||
|
||||
// returns true if no exit event was received
|
||||
bool process_sdl_events() {
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_QUIT:
|
||||
{
|
||||
return false;
|
||||
} break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
// command-list mode
|
||||
// guide the transcription to match the most likely command from a provided list
|
||||
int process_command_list(struct whisper_context * ctx, audio_async &audio, const whisper_params ¶ms) {
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: guided mode\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: guided mode\n", __func__);
|
||||
|
||||
std::vector<std::string> allowed_commands = read_allowed_commands(params.commands);
|
||||
std::vector<std::string> allowed_commands = read_allowed_commands(params.commands);
|
||||
|
||||
if (allowed_commands.empty()) {
|
||||
fprintf(stderr, "%s: error: failed to read allowed commands from '%s'\n", __func__, params.commands.c_str());
|
||||
return 2;
|
||||
}
|
||||
if (allowed_commands.empty()) {
|
||||
fprintf(stderr, "%s: error: failed to read allowed commands from '%s'\n", __func__, params.commands.c_str());
|
||||
return 2;
|
||||
}
|
||||
|
||||
int max_len = 0;
|
||||
int max_len = 0;
|
||||
|
||||
std::vector<std::vector<whisper_token>> allowed_tokens;
|
||||
std::vector<std::vector<whisper_token>> allowed_tokens;
|
||||
|
||||
for (const auto & cmd : allowed_commands) {
|
||||
whisper_token tokens[1024];
|
||||
allowed_tokens.emplace_back();
|
||||
for (const auto & cmd : allowed_commands) {
|
||||
whisper_token tokens[1024];
|
||||
allowed_tokens.emplace_back();
|
||||
|
||||
for (int l = 0; l < (int) cmd.size(); ++l) {
|
||||
// NOTE: very important to add the whitespace !
|
||||
// the reason is that the first decoded token starts with a whitespace too!
|
||||
std::string ss = std::string(" ") + cmd.substr(0, l + 1);
|
||||
for (int l = 0; l < (int) cmd.size(); ++l) {
|
||||
// NOTE: very important to add the whitespace !
|
||||
// the reason is that the first decoded token starts with a whitespace too!
|
||||
std::string ss = std::string(" ") + cmd.substr(0, l + 1);
|
||||
|
||||
const int n = whisper_tokenize(ctx, ss.c_str(), tokens, 1024);
|
||||
if (n < 0) {
|
||||
fprintf(stderr, "%s: error: failed to tokenize command '%s'\n", __func__, cmd.c_str());
|
||||
return 3;
|
||||
}
|
||||
|
||||
if (n == 1) {
|
||||
allowed_tokens.back().push_back(tokens[0]);
|
||||
}
|
||||
}
|
||||
|
||||
max_len = std::max(max_len, (int) cmd.size());
|
||||
}
|
||||
|
||||
fprintf(stderr, "%s: allowed commands [ tokens ]:\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
fprintf(stderr, " - \033[1m%-*s\033[0m = [", max_len, allowed_commands[i].c_str());
|
||||
for (const auto & token : allowed_tokens[i]) {
|
||||
fprintf(stderr, " %5d", token);
|
||||
}
|
||||
fprintf(stderr, " ]\n");
|
||||
}
|
||||
|
||||
std::string k_prompt = "select one from the available words: ";
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
if (i > 0) {
|
||||
k_prompt += ", ";
|
||||
}
|
||||
k_prompt += allowed_commands[i];
|
||||
}
|
||||
k_prompt += ". selected word: ";
|
||||
|
||||
// tokenize prompt
|
||||
std::vector<whisper_token> k_tokens;
|
||||
{
|
||||
k_tokens.resize(1024);
|
||||
const int n = whisper_tokenize(ctx, k_prompt.c_str(), k_tokens.data(), 1024);
|
||||
if (n < 0) {
|
||||
fprintf(stderr, "%s: error: failed to tokenize prompt '%s'\n", __func__, k_prompt.c_str());
|
||||
return 4;
|
||||
}
|
||||
k_tokens.resize(n);
|
||||
}
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: prompt: '%s'\n", __func__, k_prompt.c_str());
|
||||
fprintf(stderr, "%s: tokens: [", __func__);
|
||||
for (const auto & token : k_tokens) {
|
||||
fprintf(stderr, " %d", token);
|
||||
}
|
||||
fprintf(stderr, " ]\n");
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: listening for a command ...\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
|
||||
bool is_running = true;
|
||||
|
||||
std::vector<float> pcmf32_cur;
|
||||
std::vector<float> pcmf32_prompt;
|
||||
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
{
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_QUIT:
|
||||
{
|
||||
is_running = false;
|
||||
} break;
|
||||
default:
|
||||
break;
|
||||
const int n = whisper_tokenize(ctx, ss.c_str(), tokens, 1024);
|
||||
if (n < 0) {
|
||||
fprintf(stderr, "%s: error: failed to tokenize command '%s'\n", __func__, cmd.c_str());
|
||||
return 3;
|
||||
}
|
||||
}
|
||||
|
||||
if (!is_running) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
const auto t_start = std::chrono::high_resolution_clock::now();
|
||||
|
||||
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
|
||||
|
||||
wparams.print_progress = false;
|
||||
wparams.print_special = params.print_special;
|
||||
wparams.print_realtime = false;
|
||||
wparams.print_timestamps = !params.no_timestamps;
|
||||
wparams.translate = params.translate;
|
||||
wparams.no_context = true;
|
||||
wparams.single_segment = true;
|
||||
wparams.max_tokens = 1;
|
||||
wparams.language = params.language.c_str();
|
||||
wparams.n_threads = params.n_threads;
|
||||
|
||||
wparams.audio_ctx = params.audio_ctx;
|
||||
wparams.speed_up = params.speed_up;
|
||||
|
||||
wparams.prompt_tokens = k_tokens.data();
|
||||
wparams.prompt_n_tokens = k_tokens.size();
|
||||
|
||||
// run the transformer and a single decoding pass
|
||||
if (whisper_full(ctx, wparams, pcmf32_cur.data(), pcmf32_cur.size()) != 0) {
|
||||
fprintf(stderr, "%s: ERROR: whisper_full() failed\n", __func__);
|
||||
break;
|
||||
}
|
||||
|
||||
const auto * probs = whisper_get_probs(ctx);
|
||||
std::vector<std::pair<float, int>> probs_id;
|
||||
|
||||
double psum = 0.0;
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
probs_id.emplace_back(probs[allowed_tokens[i][0]], i);
|
||||
for (int j = 1; j < (int) allowed_tokens[i].size(); ++j) {
|
||||
probs_id.back().first += probs[allowed_tokens[i][j]];
|
||||
if (n == 1) {
|
||||
allowed_tokens.back().push_back(tokens[0]);
|
||||
}
|
||||
probs_id.back().first /= allowed_tokens[i].size();
|
||||
psum += probs_id.back().first;
|
||||
}
|
||||
}
|
||||
|
||||
// normalize
|
||||
for (auto & p : probs_id) {
|
||||
p.first /= psum;
|
||||
}
|
||||
max_len = std::max(max_len, (int) cmd.size());
|
||||
}
|
||||
|
||||
// sort descending
|
||||
{
|
||||
using pair_type = decltype(probs_id)::value_type;
|
||||
std::sort(probs_id.begin(), probs_id.end(), [](const pair_type & a, const pair_type & b) {
|
||||
return a.first > b.first;
|
||||
});
|
||||
}
|
||||
fprintf(stderr, "%s: allowed commands [ tokens ]:\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
fprintf(stderr, " - \033[1m%-*s\033[0m = [", max_len, allowed_commands[i].c_str());
|
||||
for (const auto & token : allowed_tokens[i]) {
|
||||
fprintf(stderr, " %5d", token);
|
||||
}
|
||||
fprintf(stderr, " ]\n");
|
||||
}
|
||||
|
||||
// print the commands and the respective probabilities
|
||||
{
|
||||
fprintf(stdout, "\n");
|
||||
for (const auto & cmd : probs_id) {
|
||||
fprintf(stdout, "%s: %s%-*s%s = %f | ", __func__, "\033[1m", max_len, allowed_commands[cmd.second].c_str(), "\033[0m", cmd.first);
|
||||
for (int token : allowed_tokens[cmd.second]) {
|
||||
fprintf(stdout, "'%4s' %f ", whisper_token_to_str(ctx, token), probs[token]);
|
||||
}
|
||||
fprintf(stdout, "\n");
|
||||
std::string k_prompt = "select one from the available words: ";
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
if (i > 0) {
|
||||
k_prompt += ", ";
|
||||
}
|
||||
k_prompt += allowed_commands[i];
|
||||
}
|
||||
k_prompt += ". selected word: ";
|
||||
|
||||
// tokenize prompt
|
||||
std::vector<whisper_token> k_tokens;
|
||||
{
|
||||
k_tokens.resize(1024);
|
||||
const int n = whisper_tokenize(ctx, k_prompt.c_str(), k_tokens.data(), 1024);
|
||||
if (n < 0) {
|
||||
fprintf(stderr, "%s: error: failed to tokenize prompt '%s'\n", __func__, k_prompt.c_str());
|
||||
return 4;
|
||||
}
|
||||
k_tokens.resize(n);
|
||||
}
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: prompt: '%s'\n", __func__, k_prompt.c_str());
|
||||
fprintf(stderr, "%s: tokens: [", __func__);
|
||||
for (const auto & token : k_tokens) {
|
||||
fprintf(stderr, " %d", token);
|
||||
}
|
||||
fprintf(stderr, " ]\n");
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: listening for a command ...\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
|
||||
bool is_running = true;
|
||||
|
||||
std::vector<float> pcmf32_cur;
|
||||
std::vector<float> pcmf32_prompt;
|
||||
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
is_running = process_sdl_events();
|
||||
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
const auto t_start = std::chrono::high_resolution_clock::now();
|
||||
|
||||
whisper_full_params wparams = whisper_full_default_params(WHISPER_SAMPLING_GREEDY);
|
||||
|
||||
wparams.print_progress = false;
|
||||
wparams.print_special = params.print_special;
|
||||
wparams.print_realtime = false;
|
||||
wparams.print_timestamps = !params.no_timestamps;
|
||||
wparams.translate = params.translate;
|
||||
wparams.no_context = true;
|
||||
wparams.single_segment = true;
|
||||
wparams.max_tokens = 1;
|
||||
wparams.language = params.language.c_str();
|
||||
wparams.n_threads = params.n_threads;
|
||||
|
||||
wparams.audio_ctx = params.audio_ctx;
|
||||
wparams.speed_up = params.speed_up;
|
||||
|
||||
wparams.prompt_tokens = k_tokens.data();
|
||||
wparams.prompt_n_tokens = k_tokens.size();
|
||||
|
||||
// run the transformer and a single decoding pass
|
||||
if (whisper_full(ctx, wparams, pcmf32_cur.data(), pcmf32_cur.size()) != 0) {
|
||||
fprintf(stderr, "%s: ERROR: whisper_full() failed\n", __func__);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// best command
|
||||
{
|
||||
const auto t_end = std::chrono::high_resolution_clock::now();
|
||||
const auto * probs = whisper_get_probs(ctx);
|
||||
std::vector<std::pair<float, int>> probs_id;
|
||||
|
||||
const float prob = probs_id[0].first;
|
||||
const int index = probs_id[0].second;
|
||||
double psum = 0.0;
|
||||
for (int i = 0; i < (int) allowed_commands.size(); ++i) {
|
||||
probs_id.emplace_back(probs[allowed_tokens[i][0]], i);
|
||||
for (int j = 1; j < (int) allowed_tokens[i].size(); ++j) {
|
||||
probs_id.back().first += probs[allowed_tokens[i][j]];
|
||||
}
|
||||
probs_id.back().first /= allowed_tokens[i].size();
|
||||
psum += probs_id.back().first;
|
||||
}
|
||||
|
||||
// normalize
|
||||
for (auto & p : probs_id) {
|
||||
p.first /= psum;
|
||||
}
|
||||
|
||||
// sort descending
|
||||
{
|
||||
using pair_type = decltype(probs_id)::value_type;
|
||||
std::sort(probs_id.begin(), probs_id.end(), [](const pair_type & a, const pair_type & b) {
|
||||
return a.first > b.first;
|
||||
});
|
||||
}
|
||||
|
||||
// print the commands and the respective probabilities
|
||||
{
|
||||
fprintf(stdout, "\n");
|
||||
for (const auto & cmd : probs_id) {
|
||||
fprintf(stdout, "%s: %s%-*s%s = %f | ", __func__, "\033[1m", max_len, allowed_commands[cmd.second].c_str(), "\033[0m", cmd.first);
|
||||
for (int token : allowed_tokens[cmd.second]) {
|
||||
fprintf(stdout, "'%4s' %f ", whisper_token_to_str(ctx, token), probs[token]);
|
||||
}
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
}
|
||||
|
||||
// best command
|
||||
{
|
||||
const auto t_end = std::chrono::high_resolution_clock::now();
|
||||
|
||||
const float prob = probs_id[0].first;
|
||||
const int index = probs_id[0].second;
|
||||
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: detected command: %s%s%s | p = %f | t = %d ms\n", __func__,
|
||||
"\033[1m", allowed_commands[index].c_str(), "\033[0m", prob,
|
||||
(int) std::chrono::duration_cast<std::chrono::milliseconds>(t_end - t_start).count());
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// always-prompt mode
|
||||
// transcribe the voice into text after valid prompt
|
||||
int always_prompt_transcription(struct whisper_context * ctx, audio_async & audio, const whisper_params & params) {
|
||||
bool is_running = true;
|
||||
bool ask_prompt = true;
|
||||
|
||||
float prob = 0.0f;
|
||||
|
||||
std::vector<float> pcmf32_cur;
|
||||
|
||||
const std::string k_prompt = params.prompt;
|
||||
|
||||
const int k_prompt_length = get_words(k_prompt).size();
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: always-prompt mode\n", __func__);
|
||||
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
is_running = process_sdl_events();
|
||||
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
if (ask_prompt) {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: detected command: %s%s%s | p = %f | t = %d ms\n", __func__,
|
||||
"\033[1m", allowed_commands[index].c_str(), "\033[0m", prob,
|
||||
(int) std::chrono::duration_cast<std::chrono::milliseconds>(t_end - t_start).count());
|
||||
fprintf(stdout, "%s: The prompt is: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
ask_prompt = false;
|
||||
}
|
||||
|
||||
return 0;
|
||||
{
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
int64_t t_ms = 0;
|
||||
|
||||
// detect the commands
|
||||
audio.get(params.command_ms, pcmf32_cur);
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob, t_ms));
|
||||
|
||||
const auto words = get_words(txt);
|
||||
|
||||
std::string prompt;
|
||||
std::string command;
|
||||
|
||||
for (int i = 0; i < words.size(); ++i) {
|
||||
if (i < k_prompt_length) {
|
||||
prompt += words[i] + " ";
|
||||
} else {
|
||||
command += words[i] + " ";
|
||||
}
|
||||
}
|
||||
|
||||
const float sim = similarity(prompt, k_prompt);
|
||||
|
||||
//debug
|
||||
//fprintf(stdout, "command size: %i\n", command_length);
|
||||
|
||||
if ((sim > 0.7f) && (command.size() > 0)) {
|
||||
fprintf(stdout, "%s: Command '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", command.c_str(), "\033[0m", (int) t_ms);
|
||||
}
|
||||
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
// general-purpose mode
|
||||
// freely transcribe the voice into text
|
||||
int process_general_transcription(struct whisper_context * ctx, audio_async &audio, const whisper_params ¶ms) {
|
||||
bool is_running = true;
|
||||
bool have_prompt = false;
|
||||
bool ask_prompt = true;
|
||||
bool is_running = true;
|
||||
bool have_prompt = false;
|
||||
bool ask_prompt = true;
|
||||
|
||||
float prob0 = 0.0f;
|
||||
float prob = 0.0f;
|
||||
float prob0 = 0.0f;
|
||||
float prob = 0.0f;
|
||||
|
||||
std::vector<float> pcmf32_cur;
|
||||
std::vector<float> pcmf32_prompt;
|
||||
std::vector<float> pcmf32_cur;
|
||||
std::vector<float> pcmf32_prompt;
|
||||
|
||||
const std::string k_prompt = "Ok Whisper, start listening for commands.";
|
||||
const std::string k_prompt = "Ok Whisper, start listening for commands.";
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: general-purpose mode\n", __func__);
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stderr, "%s: general-purpose mode\n", __func__);
|
||||
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
{
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_QUIT:
|
||||
{
|
||||
is_running = false;
|
||||
} break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
is_running = process_sdl_events();
|
||||
|
||||
if (!is_running) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
if (ask_prompt) {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: Say the following phrase: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
ask_prompt = false;
|
||||
}
|
||||
|
||||
{
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
int64_t t_ms = 0;
|
||||
|
||||
if (!have_prompt) {
|
||||
// wait for activation phrase
|
||||
audio.get(params.prompt_ms, pcmf32_cur);
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob0, t_ms));
|
||||
|
||||
fprintf(stdout, "%s: Heard '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", txt.c_str(), "\033[0m", (int) t_ms);
|
||||
|
||||
const float sim = similarity(txt, k_prompt);
|
||||
|
||||
if (txt.length() < 0.8*k_prompt.length() || txt.length() > 1.2*k_prompt.length() || sim < 0.8f) {
|
||||
fprintf(stdout, "%s: WARNING: prompt not recognized, try again\n", __func__);
|
||||
ask_prompt = true;
|
||||
} else {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: The prompt has been recognized!\n", __func__);
|
||||
fprintf(stdout, "%s: Waiting for voice commands ...\n", __func__);
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
// save the audio for the prompt
|
||||
pcmf32_prompt = pcmf32_cur;
|
||||
have_prompt = true;
|
||||
}
|
||||
} else {
|
||||
// we have heard the activation phrase, now detect the commands
|
||||
audio.get(params.command_ms, pcmf32_cur);
|
||||
|
||||
// prepend the prompt audio
|
||||
pcmf32_cur.insert(pcmf32_cur.begin(), pcmf32_prompt.begin(), pcmf32_prompt.end());
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob, t_ms));
|
||||
|
||||
prob = 100.0f*(prob - prob0);
|
||||
|
||||
//fprintf(stdout, "%s: heard '%s'\n", __func__, txt.c_str());
|
||||
|
||||
// find the prompt in the text
|
||||
float best_sim = 0.0f;
|
||||
size_t best_len = 0;
|
||||
for (int n = 0.8*k_prompt.size(); n <= 1.2*k_prompt.size(); ++n) {
|
||||
const auto prompt = txt.substr(0, n);
|
||||
|
||||
const float sim = similarity(prompt, k_prompt);
|
||||
|
||||
//fprintf(stderr, "%s: prompt = '%s', sim = %f\n", __func__, prompt.c_str(), sim);
|
||||
|
||||
if (sim > best_sim) {
|
||||
best_sim = sim;
|
||||
best_len = n;
|
||||
}
|
||||
}
|
||||
|
||||
const std::string command = ::trim(txt.substr(best_len));
|
||||
|
||||
fprintf(stdout, "%s: Command '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", command.c_str(), "\033[0m", (int) t_ms);
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
// always prompt mode
|
||||
// transcribe the voice into text after valid prompt
|
||||
int always_prompt_transcription(struct whisper_context * ctx, audio_async &audio, const whisper_params ¶ms) {
|
||||
bool is_running = true;
|
||||
bool ask_prompt = true;
|
||||
|
||||
float prob = 0.0f;
|
||||
|
||||
std::vector<float> pcmf32_cur;
|
||||
|
||||
const std::string k_prompt = params.prompt;
|
||||
|
||||
std::vector<std::string> words;
|
||||
|
||||
std::istringstream iss(k_prompt);
|
||||
std::string word;
|
||||
|
||||
while (iss >> word) {
|
||||
words.push_back(word);
|
||||
}
|
||||
|
||||
int k_prompt_length = words.size();
|
||||
|
||||
// main loop
|
||||
while (is_running) {
|
||||
// handle Ctrl + C
|
||||
{
|
||||
SDL_Event event;
|
||||
while (SDL_PollEvent(&event)) {
|
||||
switch (event.type) {
|
||||
case SDL_QUIT:
|
||||
{
|
||||
is_running = false;
|
||||
} break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!is_running) {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
if (ask_prompt) {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: The prompt is: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
ask_prompt = false;
|
||||
}
|
||||
|
||||
{
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
int64_t t_ms = 0;
|
||||
|
||||
// detect the commands
|
||||
audio.get(params.command_ms, pcmf32_cur);
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob, t_ms));
|
||||
|
||||
std::istringstream iss(txt);
|
||||
std::string word;
|
||||
std::string prompt;
|
||||
std::string command;
|
||||
int i = 0;
|
||||
int command_length = 0;
|
||||
while (iss >> word) {
|
||||
if (i == k_prompt_length - 1) {
|
||||
prompt += word + ' ';
|
||||
break;
|
||||
}
|
||||
prompt += word + ' ';
|
||||
i++;
|
||||
}
|
||||
while (iss >> word) {
|
||||
command += word + ' ';
|
||||
command_length++;
|
||||
}
|
||||
|
||||
const float sim = similarity(prompt, k_prompt);
|
||||
|
||||
//debug
|
||||
//fprintf(stdout, "command size: %i\n", command_length);
|
||||
|
||||
|
||||
if ((sim > 0.7f) && (command_length >0)){
|
||||
fprintf(stdout, "%s: Command '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", command.c_str(), "\033[0m", (int) t_ms);
|
||||
}
|
||||
// delay
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(100));
|
||||
|
||||
if (ask_prompt) {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: Say the following phrase: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
ask_prompt = false;
|
||||
}
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
audio.get(2000, pcmf32_cur);
|
||||
|
||||
return 0;
|
||||
if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
|
||||
fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
|
||||
|
||||
int64_t t_ms = 0;
|
||||
|
||||
if (!have_prompt) {
|
||||
// wait for activation phrase
|
||||
audio.get(params.prompt_ms, pcmf32_cur);
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob0, t_ms));
|
||||
|
||||
fprintf(stdout, "%s: Heard '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", txt.c_str(), "\033[0m", (int) t_ms);
|
||||
|
||||
const float sim = similarity(txt, k_prompt);
|
||||
|
||||
if (txt.length() < 0.8*k_prompt.length() || txt.length() > 1.2*k_prompt.length() || sim < 0.8f) {
|
||||
fprintf(stdout, "%s: WARNING: prompt not recognized, try again\n", __func__);
|
||||
ask_prompt = true;
|
||||
} else {
|
||||
fprintf(stdout, "\n");
|
||||
fprintf(stdout, "%s: The prompt has been recognized!\n", __func__);
|
||||
fprintf(stdout, "%s: Waiting for voice commands ...\n", __func__);
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
// save the audio for the prompt
|
||||
pcmf32_prompt = pcmf32_cur;
|
||||
have_prompt = true;
|
||||
}
|
||||
} else {
|
||||
// we have heard the activation phrase, now detect the commands
|
||||
audio.get(params.command_ms, pcmf32_cur);
|
||||
|
||||
// prepend the prompt audio
|
||||
pcmf32_cur.insert(pcmf32_cur.begin(), pcmf32_prompt.begin(), pcmf32_prompt.end());
|
||||
|
||||
const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob, t_ms));
|
||||
|
||||
prob = 100.0f*(prob - prob0);
|
||||
|
||||
//fprintf(stdout, "%s: heard '%s'\n", __func__, txt.c_str());
|
||||
|
||||
// find the prompt in the text
|
||||
float best_sim = 0.0f;
|
||||
size_t best_len = 0;
|
||||
for (int n = 0.8*k_prompt.size(); n <= 1.2*k_prompt.size(); ++n) {
|
||||
const auto prompt = txt.substr(0, n);
|
||||
|
||||
const float sim = similarity(prompt, k_prompt);
|
||||
|
||||
//fprintf(stderr, "%s: prompt = '%s', sim = %f\n", __func__, prompt.c_str(), sim);
|
||||
|
||||
if (sim > best_sim) {
|
||||
best_sim = sim;
|
||||
best_len = n;
|
||||
}
|
||||
}
|
||||
|
||||
const std::string command = ::trim(txt.substr(best_len));
|
||||
|
||||
fprintf(stdout, "%s: Command '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", command.c_str(), "\033[0m", (int) t_ms);
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
|
||||
audio.clear();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int main(int argc, char ** argv) {
|
||||
@ -1005,11 +970,11 @@ int main(int argc, char ** argv) {
|
||||
int ret_val = 0;
|
||||
|
||||
if (!params.commands.empty()) {
|
||||
ret_val = process_command_list(ctx, audio, params);
|
||||
ret_val = process_command_list(ctx, audio, params);
|
||||
} else if (!params.prompt.empty()) {
|
||||
ret_val = always_prompt_transcription(ctx, audio, params);
|
||||
ret_val = always_prompt_transcription(ctx, audio, params);
|
||||
} else {
|
||||
ret_val = process_general_transcription(ctx, audio, params);
|
||||
ret_val = process_general_transcription(ctx, audio, params);
|
||||
}
|
||||
|
||||
audio.pause();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user