#ifndef AUDIO_H
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#define AUDIO_H
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#include <queue>
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#include <stdint.h>
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#include "vad-model.h"
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#include "offline-stream.h"
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#ifndef WAV_HEADER_SIZE
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#define WAV_HEADER_SIZE 44
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#endif
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using namespace std;
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namespace funasr {
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class AudioFrame {
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private:
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int start;
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int end;
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int len;
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public:
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AudioFrame();
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AudioFrame(int len);
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~AudioFrame();
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int SetStart(int val);
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int SetEnd(int val);
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int GetStart();
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int GetLen();
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int Disp();
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};
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class Audio {
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private:
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float *speech_data=nullptr;
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int16_t *speech_buff=nullptr;
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char* speech_char=nullptr;
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int speech_len;
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int speech_align_len;
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int offset;
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float align_size;
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int data_type;
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queue<AudioFrame *> frame_queue;
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public:
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Audio(int data_type);
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Audio(int data_type, int size);
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~Audio();
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void Disp();
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void WavResample(int32_t sampling_rate, const float *waveform, int32_t n);
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bool LoadWav(const char* buf, int n_len, int32_t* sampling_rate);
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bool LoadWav(const char* filename, int32_t* sampling_rate);
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bool LoadWav2Char(const char* filename, int32_t* sampling_rate);
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bool LoadPcmwav(const char* buf, int n_file_len, int32_t* sampling_rate);
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bool LoadPcmwav(const char* filename, int32_t* sampling_rate);
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bool LoadPcmwav2Char(const char* filename, int32_t* sampling_rate);
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int FetchChunck(float *&dout, int len);
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int Fetch(float *&dout, int &len, int &flag);
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void Padding();
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void Split(OfflineStream* offline_streamj);
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void Split(VadModel* vad_obj, vector<std::vector<int>>& vad_segments, bool input_finished=true);
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float GetTimeLen();
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int GetQueueSize() { return (int)frame_queue.size(); }
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char* GetSpeechChar(){return speech_char;}
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int GetSpeechLen(){return speech_len;}
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};
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} // namespace funasr
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#endif
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