forked from xiaozhi/xiaozhi-esp32
3c71558a5f
* Reconstruct Audio Code * Remove old IoT implementation * Add MQTT-UDP documentation * OTA升级失败时，可以继续使用
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
#ifndef _AUDIO_CODEC_H
|
|
#define _AUDIO_CODEC_H
|
|
|
|
#include <freertos/FreeRTOS.h>
|
|
#include <freertos/event_groups.h>
|
|
#include <driver/i2s_std.h>
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
#include <functional>
|
|
|
|
#include "board.h"
|
|
|
|
#define AUDIO_CODEC_DMA_DESC_NUM 6
|
|
#define AUDIO_CODEC_DMA_FRAME_NUM 240
|
|
#define AUDIO_CODEC_DEFAULT_MIC_GAIN 30.0
|
|
|
|
class AudioCodec {
|
|
public:
|
|
AudioCodec();
|
|
virtual ~AudioCodec();
|
|
|
|
virtual void SetOutputVolume(int volume);
|
|
virtual void EnableInput(bool enable);
|
|
virtual void EnableOutput(bool enable);
|
|
|
|
virtual void OutputData(std::vector<int16_t>& data);
|
|
virtual bool InputData(std::vector<int16_t>& data);
|
|
virtual void Start();
|
|
|
|
inline bool duplex() const { return duplex_; }
|
|
inline bool input_reference() const { return input_reference_; }
|
|
inline int input_sample_rate() const { return input_sample_rate_; }
|
|
inline int output_sample_rate() const { return output_sample_rate_; }
|
|
inline int input_channels() const { return input_channels_; }
|
|
inline int output_channels() const { return output_channels_; }
|
|
inline int output_volume() const { return output_volume_; }
|
|
inline bool input_enabled() const { return input_enabled_; }
|
|
inline bool output_enabled() const { return output_enabled_; }
|
|
|
|
protected:
|
|
i2s_chan_handle_t tx_handle_ = nullptr;
|
|
i2s_chan_handle_t rx_handle_ = nullptr;
|
|
|
|
bool duplex_ = false;
|
|
bool input_reference_ = false;
|
|
bool input_enabled_ = false;
|
|
bool output_enabled_ = false;
|
|
int input_sample_rate_ = 0;
|
|
int output_sample_rate_ = 0;
|
|
int input_channels_ = 1;
|
|
int output_channels_ = 1;
|
|
int output_volume_ = 70;
|
|
|
|
virtual int Read(int16_t* dest, int samples) = 0;
|
|
virtual int Write(const int16_t* data, int samples) = 0;
|
|
};
|
|
|
|
#endif // _AUDIO_CODEC_H
|