forked from extern/whisper.cpp
command : refactor to split command list & general transcription modes (#331)
This makes it easier to understand if you're looking for only one of the capabilities.
This commit is contained in:
parent
424c410c42
commit
f00509d57c
@ -510,86 +510,23 @@ std::vector<std::string> read_allowed_commands(const std::string & fname) {
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return allowed_commands;
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return allowed_commands;
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}
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}
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int main(int argc, char ** argv) {
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// command-list mode
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whisper_params params;
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// guide the transcription to match the most likely command from a provided list
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int process_command_list(struct whisper_context * ctx, audio_async &audio, const whisper_params ¶ms) {
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if (whisper_params_parse(argc, argv, params) == false) {
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return 1;
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}
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if (whisper_lang_id(params.language.c_str()) == -1) {
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fprintf(stderr, "error: unknown language '%s'\n", params.language.c_str());
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whisper_print_usage(argc, argv, params);
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exit(0);
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}
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// whisper init
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struct whisper_context * ctx = whisper_init(params.model.c_str());
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// print some info about the processing
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{
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fprintf(stderr, "\n");
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if (!whisper_is_multilingual(ctx)) {
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if (params.language != "en" || params.translate) {
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params.language = "en";
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params.translate = false;
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fprintf(stderr, "%s: WARNING: model is not multilingual, ignoring language and translation options\n", __func__);
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}
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}
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fprintf(stderr, "%s: processing, %d threads, lang = %s, task = %s, timestamps = %d ...\n",
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__func__,
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params.n_threads,
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params.language.c_str(),
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params.translate ? "translate" : "transcribe",
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params.no_timestamps ? 0 : 1);
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fprintf(stderr, "\n");
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}
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// init audio
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audio_async audio(30*1000);
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if (!audio.init(params.capture_id, WHISPER_SAMPLE_RATE)) {
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fprintf(stderr, "%s: audio.init() failed!\n", __func__);
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return 1;
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}
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audio.resume();
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// wait for 1 second to avoid any buffered noise
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std::this_thread::sleep_for(std::chrono::milliseconds(1000));
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audio.clear();
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int max_len = 0;
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bool is_running = true;
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bool have_prompt = false;
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bool ask_prompt = true;
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float prob0 = 0.0f;
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float prob = 0.0f;
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std::vector<float> pcmf32_cur;
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std::vector<float> pcmf32_prompt;
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std::vector<std::string> allowed_commands;
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std::vector<std::vector<whisper_token>> allowed_tokens;
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std::string k_prompt;
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std::vector<whisper_token> k_tokens;
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if (!params.commands.empty()) {
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fprintf(stderr, "\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "%s: guided mode\n", __func__);
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fprintf(stderr, "%s: guided mode\n", __func__);
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allowed_commands = read_allowed_commands(params.commands);
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std::vector<std::string> allowed_commands = read_allowed_commands(params.commands);
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if (allowed_commands.empty()) {
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if (allowed_commands.empty()) {
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fprintf(stderr, "%s: error: failed to read allowed commands from '%s'\n", __func__, params.commands.c_str());
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fprintf(stderr, "%s: error: failed to read allowed commands from '%s'\n", __func__, params.commands.c_str());
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return 2;
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return 2;
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}
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}
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int max_len = 0;
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std::vector<std::vector<whisper_token>> allowed_tokens;
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for (const auto & cmd : allowed_commands) {
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for (const auto & cmd : allowed_commands) {
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whisper_token tokens[1024];
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whisper_token tokens[1024];
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allowed_tokens.emplace_back();
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allowed_tokens.emplace_back();
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@ -623,7 +560,7 @@ int main(int argc, char ** argv) {
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fprintf(stderr, " ]\n");
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fprintf(stderr, " ]\n");
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}
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}
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k_prompt = "select one from the available words: ";
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std::string k_prompt = "select one from the available words: ";
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for (int i = 0; i < (int) allowed_commands.size(); ++i) {
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for (int i = 0; i < (int) allowed_commands.size(); ++i) {
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if (i > 0) {
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if (i > 0) {
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k_prompt += ", ";
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k_prompt += ", ";
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@ -633,6 +570,7 @@ int main(int argc, char ** argv) {
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k_prompt += ". selected word: ";
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k_prompt += ". selected word: ";
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// tokenize prompt
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// tokenize prompt
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std::vector<whisper_token> k_tokens;
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{
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{
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k_tokens.resize(1024);
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k_tokens.resize(1024);
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const int n = whisper_tokenize(ctx, k_prompt.c_str(), k_tokens.data(), 1024);
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const int n = whisper_tokenize(ctx, k_prompt.c_str(), k_tokens.data(), 1024);
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@ -655,12 +593,10 @@ int main(int argc, char ** argv) {
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fprintf(stderr, "%s: listening for a command ...\n", __func__);
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fprintf(stderr, "%s: listening for a command ...\n", __func__);
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fprintf(stderr, "\n");
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fprintf(stderr, "\n");
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} else {
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bool is_running = true;
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fprintf(stderr, "\n");
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fprintf(stderr, "%s: general-purpose mode\n", __func__);
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k_prompt = "Ok Whisper, start listening for commands.";
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std::vector<float> pcmf32_cur;
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}
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std::vector<float> pcmf32_prompt;
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// main loop
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// main loop
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while (is_running) {
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while (is_running) {
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@ -679,98 +615,13 @@ int main(int argc, char ** argv) {
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}
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}
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if (!is_running) {
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if (!is_running) {
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break;
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return 0;
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}
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}
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}
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}
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// delay
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// delay
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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if (allowed_commands.empty()) {
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// general-purpose mode
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// freely transcribe the voice into text
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if (ask_prompt) {
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: Say the following phrase: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
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fprintf(stdout, "\n");
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ask_prompt = false;
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}
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{
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int64_t t_ms = 0;
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audio.get(2000, pcmf32_cur);
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if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
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fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
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if (!have_prompt) {
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// wait for activation phrase
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audio.get(params.prompt_ms, pcmf32_cur);
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const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob0, t_ms));
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fprintf(stdout, "%s: Heard '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", txt.c_str(), "\033[0m", (int) t_ms);
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const float sim = similarity(txt, k_prompt);
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if (txt.length() < 0.8*k_prompt.length() || txt.length() > 1.2*k_prompt.length() || sim < 0.8f) {
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fprintf(stdout, "%s: WARNING: prompt not recognized, try again\n", __func__);
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ask_prompt = true;
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} else {
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: The prompt has been recognized!\n", __func__);
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fprintf(stdout, "%s: Waiting for voice commands ...\n", __func__);
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fprintf(stdout, "\n");
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// save the audio for the prompt
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pcmf32_prompt = pcmf32_cur;
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have_prompt = true;
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}
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} else {
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// we have heard the activation phrase, now detect the commands
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audio.get(params.command_ms, pcmf32_cur);
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// prepend the prompt audio
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pcmf32_cur.insert(pcmf32_cur.begin(), pcmf32_prompt.begin(), pcmf32_prompt.end());
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const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob, t_ms));
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prob = 100.0f*(prob - prob0);
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//fprintf(stdout, "%s: heard '%s'\n", __func__, txt.c_str());
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// find the prompt in the text
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float best_sim = 0.0f;
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size_t best_len = 0;
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for (int n = 0.8*k_prompt.size(); n <= 1.2*k_prompt.size(); ++n) {
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const auto prompt = txt.substr(0, n);
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const float sim = similarity(prompt, k_prompt);
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//fprintf(stderr, "%s: prompt = '%s', sim = %f\n", __func__, prompt.c_str(), sim);
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if (sim > best_sim) {
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best_sim = sim;
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best_len = n;
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}
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}
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const std::string command = ::trim(txt.substr(best_len));
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fprintf(stdout, "%s: Command '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", command.c_str(), "\033[0m", (int) t_ms);
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fprintf(stdout, "\n");
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}
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audio.clear();
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}
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}
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} else {
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// command-list mode
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// guide the transcription to match the most likely command from a provided list
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audio.get(2000, pcmf32_cur);
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audio.get(2000, pcmf32_cur);
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if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
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if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
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@ -834,8 +685,8 @@ int main(int argc, char ** argv) {
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fprintf(stdout, "\n");
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fprintf(stdout, "\n");
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for (const auto & cmd : probs_id) {
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for (const auto & cmd : probs_id) {
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fprintf(stdout, "%s: %s%-*s%s = %f | ", __func__, "\033[1m", max_len, allowed_commands[cmd.second].c_str(), "\033[0m", cmd.first);
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fprintf(stdout, "%s: %s%-*s%s = %f | ", __func__, "\033[1m", max_len, allowed_commands[cmd.second].c_str(), "\033[0m", cmd.first);
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for (int i = 0; i < (int) allowed_tokens[cmd.second].size(); ++i) {
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for (int token : allowed_tokens[cmd.second]) {
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fprintf(stdout, "'%4s' %f ", whisper_token_to_str(ctx, allowed_tokens[cmd.second][i]), probs[allowed_tokens[cmd.second][i]]);
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fprintf(stdout, "'%4s' %f ", whisper_token_to_str(ctx, token), probs[token]);
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}
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}
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fprintf(stdout, "\n");
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fprintf(stdout, "\n");
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}
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}
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@ -845,9 +696,12 @@ int main(int argc, char ** argv) {
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{
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{
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const auto t_end = std::chrono::high_resolution_clock::now();
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const auto t_end = std::chrono::high_resolution_clock::now();
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const float prob = probs_id[0].first;
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const int index = probs_id[0].second;
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fprintf(stdout, "\n");
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: detected command: %s%s%s | p = %f | t = %d ms\n", __func__,
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fprintf(stdout, "%s: detected command: %s%s%s | p = %f | t = %d ms\n", __func__,
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"\033[1m", allowed_commands[probs_id[0].second].c_str(), "\033[0m", probs_id[0].first,
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"\033[1m", allowed_commands[index].c_str(), "\033[0m", prob,
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(int) std::chrono::duration_cast<std::chrono::milliseconds>(t_end - t_start).count());
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(int) std::chrono::duration_cast<std::chrono::milliseconds>(t_end - t_start).count());
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fprintf(stdout, "\n");
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fprintf(stdout, "\n");
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}
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}
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@ -855,6 +709,191 @@ int main(int argc, char ** argv) {
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audio.clear();
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audio.clear();
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}
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}
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}
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}
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return 0;
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}
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// general-purpose mode
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// freely transcribe the voice into text
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int process_general_transcription(struct whisper_context * ctx, audio_async &audio, const whisper_params ¶ms) {
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bool is_running = true;
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bool have_prompt = false;
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bool ask_prompt = true;
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float prob0 = 0.0f;
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float prob = 0.0f;
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std::vector<float> pcmf32_cur;
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std::vector<float> pcmf32_prompt;
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const std::string k_prompt = "Ok Whisper, start listening for commands.";
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fprintf(stderr, "\n");
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fprintf(stderr, "%s: general-purpose mode\n", __func__);
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// main loop
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while (is_running) {
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// handle Ctrl + C
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{
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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switch (event.type) {
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case SDL_QUIT:
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{
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is_running = false;
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} break;
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default:
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break;
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}
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}
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if (!is_running) {
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return 0;
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}
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}
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// delay
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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if (ask_prompt) {
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: Say the following phrase: '%s%s%s'\n", __func__, "\033[1m", k_prompt.c_str(), "\033[0m");
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fprintf(stdout, "\n");
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ask_prompt = false;
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}
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{
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audio.get(2000, pcmf32_cur);
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if (vad_simple(pcmf32_cur, WHISPER_SAMPLE_RATE, 1000, params.vad_thold, params.freq_thold, params.print_energy)) {
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fprintf(stdout, "%s: Speech detected! Processing ...\n", __func__);
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int64_t t_ms = 0;
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if (!have_prompt) {
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// wait for activation phrase
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audio.get(params.prompt_ms, pcmf32_cur);
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const auto txt = ::trim(::transcribe(ctx, params, pcmf32_cur, prob0, t_ms));
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fprintf(stdout, "%s: Heard '%s%s%s', (t = %d ms)\n", __func__, "\033[1m", txt.c_str(), "\033[0m", (int) t_ms);
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const float sim = similarity(txt, k_prompt);
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if (txt.length() < 0.8*k_prompt.length() || txt.length() > 1.2*k_prompt.length() || sim < 0.8f) {
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fprintf(stdout, "%s: WARNING: prompt not recognized, try again\n", __func__);
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ask_prompt = true;
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} else {
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fprintf(stdout, "\n");
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fprintf(stdout, "%s: The prompt has been recognized!\n", __func__);
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fprintf(stdout, "%s: Waiting for voice commands ...\n", __func__);
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fprintf(stdout, "\n");
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// save the audio for the prompt
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pcmf32_prompt = pcmf32_cur;
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have_prompt = true;
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}
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} else {
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// we have heard the activation phrase, now detect the commands
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audio.get(params.command_ms, pcmf32_cur);
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// prepend the prompt audio
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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) {
|
||||||
|
whisper_params params;
|
||||||
|
|
||||||
|
if (whisper_params_parse(argc, argv, params) == false) {
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (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);
|
||||||
|
}
|
||||||
|
|
||||||
|
// whisper init
|
||||||
|
|
||||||
|
struct whisper_context * ctx = whisper_init(params.model.c_str());
|
||||||
|
|
||||||
|
// 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__);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
fprintf(stderr, "%s: processing, %d threads, lang = %s, task = %s, timestamps = %d ...\n",
|
||||||
|
__func__,
|
||||||
|
params.n_threads,
|
||||||
|
params.language.c_str(),
|
||||||
|
params.translate ? "translate" : "transcribe",
|
||||||
|
params.no_timestamps ? 0 : 1);
|
||||||
|
|
||||||
|
fprintf(stderr, "\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
// init audio
|
||||||
|
|
||||||
|
audio_async audio(30*1000);
|
||||||
|
if (!audio.init(params.capture_id, WHISPER_SAMPLE_RATE)) {
|
||||||
|
fprintf(stderr, "%s: audio.init() failed!\n", __func__);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
audio.resume();
|
||||||
|
|
||||||
|
// wait for 1 second to avoid any buffered noise
|
||||||
|
std::this_thread::sleep_for(std::chrono::milliseconds(1000));
|
||||||
|
audio.clear();
|
||||||
|
|
||||||
|
int ret_val = 0;
|
||||||
|
|
||||||
|
if (!params.commands.empty()) {
|
||||||
|
ret_val = process_command_list(ctx, audio, params);
|
||||||
|
} else {
|
||||||
|
ret_val = process_general_transcription(ctx, audio, params);
|
||||||
}
|
}
|
||||||
|
|
||||||
audio.pause();
|
audio.pause();
|
||||||
@ -862,5 +901,5 @@ int main(int argc, char ** argv) {
|
|||||||
whisper_print_timings(ctx);
|
whisper_print_timings(ctx);
|
||||||
whisper_free(ctx);
|
whisper_free(ctx);
|
||||||
|
|
||||||
return 0;
|
return ret_val;
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user