#ifndef AFE_AUDIO_PROCESSOR_H
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#define AFE_AUDIO_PROCESSOR_H
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#include <esp_afe_sr_models.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <freertos/event_groups.h>
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#include <string>
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#include <vector>
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#include <functional>
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#include <mutex>
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#include "audio_processor.h"
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#include "audio_codec.h"
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class AfeAudioProcessor : public AudioProcessor {
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public:
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AfeAudioProcessor();
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~AfeAudioProcessor();
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void Initialize(AudioCodec* codec, int frame_duration_ms, srmodel_list_t* models_list) override;
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void Feed(std::vector<int16_t>&& data) override;
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void Start() override;
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void Stop() override;
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void ReleaseRuntime() override;
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bool EnsureRuntime() override;
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bool IsRunning() override;
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void OnOutput(std::function<void(std::vector<int16_t>&& data)> callback) override;
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void OnVadStateChange(std::function<void(bool speaking)> callback) override;
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size_t GetFeedSize() override;
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void EnableDeviceAec(bool enable) override;
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private:
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EventGroupHandle_t event_group_ = nullptr;
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const esp_afe_sr_iface_t* afe_iface_ = nullptr;
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esp_afe_sr_data_t* afe_data_ = nullptr;
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std::function<void(std::vector<int16_t>&& data)> output_callback_;
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std::function<void(bool speaking)> vad_state_change_callback_;
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AudioCodec* codec_ = nullptr;
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srmodel_list_t* models_list_ = nullptr;
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int frame_duration_ms_ = 0;
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int frame_samples_ = 0;
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bool processor_task_started_ = false;
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bool is_speaking_ = false;
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std::vector<int16_t> input_buffer_;
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std::mutex input_buffer_mutex_;
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std::vector<int16_t> output_buffer_;
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bool CreateAfe();
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void AudioProcessorTask();
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};
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#endif
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