/**
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* Copyright FunASR (https://github.com/alibaba-damo-academy/FunASR). All Rights
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* Reserved. MIT License (https://opensource.org/licenses/MIT)
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*/
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//
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// AudioRecorder.h
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// paraformer_online
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//
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// Created by 邱威 on 2023/6/6.
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//
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#import <Foundation/Foundation.h>
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#import <AudioToolbox/AudioToolbox.h>
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#import <AVFoundation/AVFoundation.h>
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NS_ASSUME_NONNULL_BEGIN
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#define RECORDER_NOTIFICATION_CALLBACK_NAME @"recorderNotificationCallBackName"
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#define kNumberAudioQueueBuffers 3 //缓冲区设定3个
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#define kDefaultSampleRate 16000 //采样率
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#define kBufferByteSize (kDefaultSampleRate/100*2)//960
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#define kDataSize 2048
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typedef void (^AudioRecorder_inputBlock)(NSData *speechData);
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@interface AudioRecorder : NSObject
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{
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AudioQueueRef _audioQueue;
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AudioStreamBasicDescription audioFormat;
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AudioQueueBufferRef _audioBuffers[kNumberAudioQueueBuffers];
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char data[kDataSize];
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int offset;
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}
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@property (nonatomic, assign) BOOL isRecording;
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@property (atomic, assign) NSUInteger sampleRate;
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@property (nonatomic,copy) AudioRecorder_inputBlock inputBlock;
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-(void)start;
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-(void)stop;
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@end
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NS_ASSUME_NONNULL_END
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