42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
#ifndef _BOX_AUDIO_CODEC_LITE_H
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#define _BOX_AUDIO_CODEC_LITE_H
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#include "audio_codec.h"
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#include <esp_codec_dev.h>
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#include <esp_codec_dev_defaults.h>
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class BoxAudioCodecLite : public AudioCodec {
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private:
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const audio_codec_data_if_t* data_if_ = nullptr;
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const audio_codec_ctrl_if_t* out_ctrl_if_ = nullptr;
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const audio_codec_if_t* out_codec_if_ = nullptr;
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const audio_codec_ctrl_if_t* in_ctrl_if_ = nullptr;
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const audio_codec_if_t* in_codec_if_ = nullptr;
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const audio_codec_gpio_if_t* gpio_if_ = nullptr;
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esp_codec_dev_handle_t output_dev_ = nullptr;
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esp_codec_dev_handle_t input_dev_ = nullptr;
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// ref buffer used for aec
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std::vector<int16_t> ref_buffer_;
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int read_pos_ = 0;
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int write_pos_ = 0;
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void CreateDuplexChannels(gpio_num_t mclk, gpio_num_t bclk, gpio_num_t ws, gpio_num_t dout, gpio_num_t din);
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virtual int Read(int16_t* dest, int samples) override;
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virtual int Write(const int16_t* data, int samples) override;
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public:
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BoxAudioCodecLite(void* i2c_master_handle, int input_sample_rate, int output_sample_rate,
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gpio_num_t mclk, gpio_num_t bclk, gpio_num_t ws, gpio_num_t dout, gpio_num_t din,
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gpio_num_t pa_pin, bool input_reference);
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virtual ~BoxAudioCodecLite();
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virtual void SetOutputVolume(int volume) override;
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virtual void EnableInput(bool enable) override;
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virtual void EnableOutput(bool enable) override;
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};
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#endif // _BOX_AUDIO_CODEC_LITE_H
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