mRecordFormat.mFormatID = inFormatID;    if (inFormatID == kAudioFormatLinearPCM)    {        // if we want pcm, default to signed 16-bit little-endian        mRecordFormat.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger | kLinearPCMFormatFlagIsPacked;        mRecordFormat.mBitsPerChannel = 16;        mRecordFormat.mBytesPerPacket = mRecordFormat.mBytesPerFrame = (mRecordFormat.mBitsPerChannel / 8) * mRecordFormat.mChannelsPerFrame;        mRecordFormat.mFramesPerPacket = 1;    }    //    else  {//        //        mRecordFormat.mSampleRate = 44100;//8000.0;//44100.0;//        //        mRecordFormat.mFormatID = kAudioFormatMPEG4AAC; // kAudioFormatMPEG4AAC_HE does not work. Can‘t find `AudioClassDescription`. `mFormatFlags` is set to 0.//        mRecordFormat.mFormatFlags = kMPEG4Object_AAC_LC; // Format-specific flags to specify details of the format. Set to 0 to indicate no format flags. See “Audio Data Format Identifiers” for the flags that apply to each format.//        mRecordFormat.mBytesPerPacket = 0; // The number of bytes in a packet of audio data. To indicate variable packet size, set this field to 0. For a format that uses variable packet size, specify the size of each packet using an AudioStreamPacketDescription structure.//        mRecordFormat.mFramesPerPacket = 0; // The number of frames in a packet of audio data. For uncompressed audio, the value is 1. For variable bit-rate formats, the value is a larger fixed number, such as 1024 for AAC. For formats with a variable number of frames per packet, such as Ogg Vorbis, set this field to 0.//        mRecordFormat.mBytesPerFrame = 0; // The number of bytes from the start of one frame to the start of the next frame in an audio buffer. Set this field to 0 for compressed formats. ...//        mRecordFormat.mChannelsPerFrame = 1; // The number of channels in each frame of audio data. This value must be nonzero.//        mRecordFormat.mBitsPerChannel = 0; // ... Set this field to 0 for compressed formats.//        mRecordFormat.mReserved = 0; // Pads the structure out to force an even 8-byte alignment. Must be set to 0.//    }

        url = CFURLCreateWithString(kCFAllocatorDefault, (CFStringRef)inRecordFile, NULL);                // create the audio file        OSStatus status = AudioFileCreateWithURL(url, kAudioFileCAFType, &mRecordFormat, kAudioFileFlags_EraseFile, &mRecordFile);        CFRelease(url);

// ____________________________________________________________________________________// AudioQueue callback function, called when an input buffers has been filled.void AQRecorder::MyInputBufferHandler(    void *                                inUserData,                                      AudioQueueRef                        inAQ,                                      AudioQueueBufferRef                    inBuffer,                                      const AudioTimeStamp *                inStartTime,                                      UInt32                                inNumPackets,                                      const AudioStreamPacketDescription*    inPacketDesc){    AQRecorder *aqr = (AQRecorder *)inUserData;    try {        if (inNumPackets > 0) {            // write packets to file            XThrowIfError(AudioFileWritePackets(aqr->mRecordFile, FALSE, inBuffer->mAudioDataByteSize,                                                inPacketDesc, aqr->mRecordPacket, &inNumPackets, inBuffer->mAudioData),                          "AudioFileWritePackets failed");            aqr->mRecordPacket += inNumPackets;        }                // if we‘re not stopping, re-enqueue the buffe so that it gets filled again        if (aqr->IsRunning())            XThrowIfError(AudioQueueEnqueueBuffer(inAQ, inBuffer, 0, NULL), "AudioQueueEnqueueBuffer failed");    } catch (CAXException e) {        char buf[256];        fprintf(stderr, "Error: %s (%s)\n", e.mOperation, e.FormatError(buf));    }}

- (void)updateLevelMeter:(id)sender {    /*    if (self.delegate) {        UInt32 dataSize = sizeof(AudioQueueLevelMeterState);        AudioQueueGetProperty([self.decapsulator Queue], kAudioQueueProperty_CurrentLevelMeter, levelMeterStates, &dataSize);        if ([self.delegate respondsToSelector:@selector(levelMeterChanged:)]) {            [self.delegate levelMeterChanged:levelMeterStates[0].mPeakPower];        }            }*/}

    //self.timerLevelMeter = [NSTimer scheduledTimerWithTimeInterval:0.2 target:self selector:@selector(updateLevelMeter:) userInfo:nil repeats:YES];    __weak __typeof(self)weakSelf = self;    MLAudioMeterObserver *meterObserver = [[MLAudioMeterObserver alloc]init];    meterObserver.actionBlock = ^(NSArray *levelMeterStates,MLAudioMeterObserver *meterObserver){        NSLog(@"volume:%f",[MLAudioMeterObserver volumeForLevelMeterStates:levelMeterStates]);                if ([weakSelf.delegate respondsToSelector:@selector(levelMeterChanged:)]) {            [weakSelf.delegate levelMeterChanged:[MLAudioMeterObserver volumeForLevelMeterStates:levelMeterStates]];        }    };    meterObserver.errorBlock = ^(NSError *error,MLAudioMeterObserver *meterObserver){        //[[[UIAlertView alloc]initWithTitle:@"错误" message:error.userInfo[NSLocalizedDescriptionKey] delegate:nil cancelButtonTitle:nil otherButtonTitles:@"知道了", nil]show];    };    self.meterObserver = meterObserver;    self.meterObserver.audioQueue = player->Queue();

- (void)levelMeterChanged:(float)levelMeter {    dispatch_async(dispatch_get_main_queue(), ^{            //self.levelMeter.progress = levelMeter;        NSLog(@"%.2f",levelMeter*1);                [self.levelMeterLineView1 addMeter:levelMeter*1];        [self.levelMeterLineView2 addMeter:levelMeter*1];    });}

-(void)addMeter:(float)meter{    if (high) {        meter = meter*0.6 + 0.4;    } else {        meter = meter*0.6 + 0.35;    }    high = !high;        [_meters addObject:@(meter)];        if (_meters.count > 10) {        [_meters removeObjectAtIndex:0];    }    [self setNeedsDisplay];}

- (void)levelMeterChanged:(float)levelMeter {    dispatch_async(dispatch_get_main_queue(), ^{        //self.levelMeter.progress = levelMeter;        NSLog(@"%.2f",levelMeter*1);                float showMeter = levelMeter*0.6 + 0.35;                [_recordView setVoiceImageWithLowPassResults:showMeter];    });    }

-(void)setVoiceImageWithLowPassResults:(double)lowPassResults{    CGRect frame = _meterImageView.frame;    frame.size.height = 39*lowPassResults;    frame.origin.y  = 22+5.5+39*(1-lowPassResults);    _meterImageView.frame = frame;

    //录制    self.recordButton = [[UIButton alloc] initWithFrame:CGRectMake(24, kVerticalPadding, CGRectGetWidth(self.bounds)-(24 * 2), kInputTextViewMinHeight)];    self.recordButton.titleLabel.font = [UIFont systemFontOfSize:15.0];    [self.recordButton setTitleColor:[UIColor darkGrayColor] forState:UIControlStateNormal];    [self.recordButton setBackgroundImage:[UIImage imageNamed:@"btn_long_round"] forState:UIControlStateNormal];    [self.recordButton setBackgroundImage:[UIImage imageNamed:@"btn_long_round_hl"] forState:UIControlStateHighlighted];    [self.recordButton setTitle:LOCALIZATION(@"按住说话") forState:UIControlStateNormal];    [self.recordButton setTitle:LOCALIZATION(@"松开结束") forState:UIControlStateHighlighted];    [self.recordButton setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];    //self.recordButton.hidden = YES;    [self.recordButton addTarget:self action:@selector(recordButtonTouchDown) forControlEvents:UIControlEventTouchDown];    [self.recordButton addTarget:self action:@selector(recordButtonTouchUpOutside) forControlEvents:UIControlEventTouchUpOutside];    [self.recordButton addTarget:self action:@selector(recordButtonTouchUpInside) forControlEvents:UIControlEventTouchUpInside];    [self.recordButton addTarget:self action:@selector(recordDragOutside) forControlEvents:UIControlEventTouchDragExit];    [self.recordButton addTarget:self action:@selector(recordDragInside) forControlEvents:UIControlEventTouchDragEnter];

- (void)setModel:(MessageModel *)model{    [super setModel:model];        _timeLabel.text = [NSString stringWithFormat:@"%d‘",self.model.time];        if (self.model.isSender) {        [_isReadView setHidden:YES];        _animationImageView.image = [UIImage imageNamed:SENDER_ANIMATION_IMAGEVIEW_IMAGE_DEFAULT];        _animationImageView.animationImages = _senderAnimationImages;    }    else{        if (model.isPlayed) {            [_isReadView setHidden:YES];        }else{            [_isReadView setHidden:NO];        }        _animationImageView.image = [UIImage imageNamed:RECEIVER_ANIMATION_IMAGEVIEW_IMAGE_DEFAULT];        _animationImageView.animationImages = _recevierAnimationImages;    }        if (self.model.isPlaying)    {        [self startAudioAnimation];    }else {        [self stopAudioAnimation];    }}

@interface MiniCourseViewTableViewCell : UITableViewCell<UITableViewDataSource,UITableViewDelegate,CommentVoiceDelegate>@property(nonatomic, strong) NSString * MiniContent;@property(nonatomic, strong) UILabel *contentLabel,*numberLabel,* nameLabel,* timeLabel;@property(nonatomic, strong) NSMutableArray * commentModelArray;@property(nonatomic, strong) UIImageView * headImageView;@property(nonatomic, strong) UIButton * laudButton;@property (nonatomic, strong) UITableView * tableView;@property (nonatomic, strong) PlayVoiceButton *playVoiceButton;@property (nonatomic, strong)id <ReplyVoiceDelegate> delegate;@property(nonatomic, strong) CourseReplay * replyModel;+ (float)getHeightWithString:(NSString *)string fontSize:(int)size contenViewWidth:(CGFloat)width;@end

@interface FollowTalkThingCommentTableViewCell : UITableViewCell@property (nonatomic, strong) UIImageView *userImageView;@property (nonatomic, strong) UILabel *nameLabel;@property (nonatomic, strong) UILabel *timeLabel;@property (nonatomic, strong) UIButton *zanButton;@property (strong, nonatomic)  UILabel *answerLabel,*replyLabel;@property (nonatomic, strong) PlayVoiceButton *voiceButton;@property (strong, nonatomic)  UIView *answerView;@property (strong, nonatomic) UILabel *scoreLabel;@property (nonatomic, strong)id <playVoiceButton> delegate;+(CGSize)cellBubbleSizeWithContent:(NSString *)content;@property (strong, nonatomic)  id model;@end