#include "no_audio_processor.h"
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#include <esp_log.h>
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#define TAG "NoAudioProcessor"
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void NoAudioProcessor::Initialize(AudioCodec* codec, int frame_duration_ms, srmodel_list_t* models_list) {
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codec_ = codec;
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frame_samples_ = frame_duration_ms * 16000 / 1000;
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output_buffer_.reserve(frame_samples_);
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}
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void NoAudioProcessor::Feed(std::vector<int16_t>&& data) {
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if (!is_running_ || !output_callback_) {
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return;
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}
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// Convert stereo to mono if needed
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if (codec_->input_channels() == 2) {
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for (size_t i = 0, j = 0; i < data.size() / 2; ++i, j += 2) {
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output_buffer_.push_back(data[j]);
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}
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} else {
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output_buffer_.insert(output_buffer_.end(), data.begin(), data.end());
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}
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// Output complete frames when buffer has enough data
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while (output_buffer_.size() >= (size_t)frame_samples_) {
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if (output_buffer_.size() == (size_t)frame_samples_) {
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output_callback_(std::move(output_buffer_));
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output_buffer_.clear();
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output_buffer_.reserve(frame_samples_);
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} else {
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output_callback_(std::vector<int16_t>(output_buffer_.begin(), output_buffer_.begin() + frame_samples_));
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output_buffer_.erase(output_buffer_.begin(), output_buffer_.begin() + frame_samples_);
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}
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}
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}
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void NoAudioProcessor::Start() {
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is_running_ = true;
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}
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void NoAudioProcessor::Stop() {
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is_running_ = false;
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output_buffer_.clear();
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}
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bool NoAudioProcessor::IsRunning() {
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return is_running_;
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}
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void NoAudioProcessor::OnOutput(std::function<void(std::vector<int16_t>&& data)> callback) {
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output_callback_ = callback;
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}
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void NoAudioProcessor::OnVadStateChange(std::function<void(bool speaking)> callback) {
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vad_state_change_callback_ = callback;
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}
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size_t NoAudioProcessor::GetFeedSize() {
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if (!codec_) {
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return 0;
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}
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return frame_samples_;
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}
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void NoAudioProcessor::EnableDeviceAec(bool enable) {
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if (enable) {
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ESP_LOGE(TAG, "Device AEC is not supported");
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}
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}
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