forked from xiaozhi/xiaozhi-esp32
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
#include "esp_wake_word.h"
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#include <esp_log.h>
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#define TAG "EspWakeWord"
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EspWakeWord::EspWakeWord() {
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}
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EspWakeWord::~EspWakeWord() {
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if (wakenet_data_ != nullptr) {
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wakenet_iface_->destroy(wakenet_data_);
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esp_srmodel_deinit(wakenet_model_);
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}
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}
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bool EspWakeWord::Initialize(AudioCodec* codec) {
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codec_ = codec;
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wakenet_model_ = esp_srmodel_init("model");
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if (wakenet_model_ == nullptr || wakenet_model_->num == -1) {
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ESP_LOGE(TAG, "Failed to initialize wakenet model");
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return false;
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}
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if(wakenet_model_->num > 1) {
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ESP_LOGW(TAG, "More than one model found, using the first one");
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} else if (wakenet_model_->num == 0) {
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ESP_LOGE(TAG, "No model found");
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return false;
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}
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char *model_name = wakenet_model_->model_name[0];
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wakenet_iface_ = (esp_wn_iface_t*)esp_wn_handle_from_name(model_name);
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wakenet_data_ = wakenet_iface_->create(model_name, DET_MODE_95);
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int frequency = wakenet_iface_->get_samp_rate(wakenet_data_);
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int audio_chunksize = wakenet_iface_->get_samp_chunksize(wakenet_data_);
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ESP_LOGI(TAG, "Wake word(%s),freq: %d, chunksize: %d", model_name, frequency, audio_chunksize);
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return true;
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}
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void EspWakeWord::OnWakeWordDetected(std::function<void(const std::string& wake_word)> callback) {
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wake_word_detected_callback_ = callback;
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}
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void EspWakeWord::Start() {
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running_ = true;
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}
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void EspWakeWord::Stop() {
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running_ = false;
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}
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void EspWakeWord::Feed(const std::vector<int16_t>& data) {
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if (wakenet_data_ == nullptr || !running_) {
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return;
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}
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int res = wakenet_iface_->detect(wakenet_data_, (int16_t *)data.data());
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if (res > 0) {
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last_detected_wake_word_ = wakenet_iface_->get_word_name(wakenet_data_, res);
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running_ = false;
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if (wake_word_detected_callback_) {
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wake_word_detected_callback_(last_detected_wake_word_);
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}
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}
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}
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size_t EspWakeWord::GetFeedSize() {
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if (wakenet_data_ == nullptr) {
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return 0;
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}
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return wakenet_iface_->get_samp_chunksize(wakenet_data_);
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}
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void EspWakeWord::EncodeWakeWordData() {
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}
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bool EspWakeWord::GetWakeWordOpus(std::vector<uint8_t>& opus) {
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return false;
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}
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