video-pc/libs/Recorder/record_audio.h

#ifndef RECORD_AUDIO
#define RECORD_AUDIO

#include "record_audio_define.h"

#include "headers_ffmpeg.h"

#include <atomic>
#include <functional>
#include <string>
#include <thread>

namespace am {
typedef std::function<void(AVFrame *packet, int index)> cb_audio_data;
typedef std::function<void(int, int)> cb_audio_error;

class record_audio
{
public:
    record_audio();
    virtual ~record_audio();

    virtual int init(const std::string &device_name, const std::string &device_id, bool is_input) = 0;

    virtual int start() = 0;

    virtual int pause() = 0;

    virtual int resume() = 0;

    virtual int stop() = 0;

    virtual const AVRational get_time_base() = 0;

    virtual int64_t get_start_time() = 0;

public:
    inline bool is_recording() { return _running; }

    inline int get_sample_rate() { return _sample_rate; }

    inline int get_bit_rate() { return _bit_rate; }

    inline int get_bit_per_sample() { return _bit_per_sample; }

    inline int get_channel_num() { return _channel_num; }

    inline int64_t av_get_channel_layout() { return _channel_layout; }

    inline AVSampleFormat get_fmt() { return _fmt; }

    inline const std::string &get_device_name() { return _device_name; }

    inline void registe_cb(cb_audio_data on_data, cb_audio_error on_error, int cb_extra_index = -1)
    {
        _on_data = on_data;
        _on_error = on_error;
        _cb_extra_index = cb_extra_index;
    }

protected:
    std::atomic_bool _running;
    std::atomic_bool _inited;
    std::atomic_bool _paused;

    std::thread _thread;

    int _sample_rate;

    int _bit_rate;

    int _channel_num;

    int64_t _channel_layout;

    int _bit_per_sample;

    AVSampleFormat _fmt;

    std::string _device_name;
    std::string _device_id;

    bool _is_input;

    cb_audio_error _on_error;

    cb_audio_data _on_data;

    int _cb_extra_index;
};
} // namespace am

#endif // !RECORD_AUDIO