ios xmpp 发送语音图片解决方案

    //录音文件的地址
    NSString *cafFilePath =self.voice.recordPath;
    
    NSString *mp3FilePath = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/downloadFile.mp3"];
    
    
    NSFileManager* fileManager=[NSFileManager defaultManager];
    if([fileManager removeItemAtPath:mp3FilePath error:nil])
    {
        NSLog(@"删除");
    }
    
    @try {
        int read, write;
        
        FILE *pcm = fopen([cafFilePath cStringUsingEncoding:1], "rb");  //source 被转换的音频文件位置
        fseek(pcm, 4*1024, SEEK_CUR);                                   //skip file header
        FILE *mp3 = fopen([mp3FilePath cStringUsingEncoding:1], "wb");  //output 输出生成的Mp3文件位置
        
        const int PCM_SIZE = 8192;
        const int MP3_SIZE = 8192;
        short int pcm_buffer[PCM_SIZE*2];
        unsigned char mp3_buffer[MP3_SIZE];
        
        lame_t lame = lame_init();
        lame_set_in_samplerate(lame, 11025.0);
        lame_set_VBR(lame, vbr_default);
        lame_init_params(lame);
        
        do {
            read = fread(pcm_buffer, 2*sizeof(short int), PCM_SIZE, pcm);
            if (read == 0)
                write = lame_encode_flush(lame, mp3_buffer, MP3_SIZE);
            else
                write = lame_encode_buffer_interleaved(lame, pcm_buffer, read, mp3_buffer, MP3_SIZE);
            
            fwrite(mp3_buffer, write, 1, mp3);
            
        } while (read != 0);
        
        lame_close(lame);
        fclose(mp3);
        fclose(pcm);
    }
    @catch (NSException *exception) {
        NSLog(@"%@",[exception description]);
    }
    @finally {
        //转换完成后对音频进行需要的操作
        
        NSDate *dates = [NSDate date];
        
        NSDateFormatter *formatter =  [[NSDateFormatter alloc] init];
        
        [formatter setDateFormat:@"yyyyMMddHHmmss"];
        
        NSTimeZone* timeZone = [NSTimeZone timeZoneWithName:@"Asia/beijing"];
        
        [formatter setTimeZone:timeZone];
        
        NSString *loctime = [formatter stringFromDate:dates];

        //拿到转码后的音频
        NSData *data = [NSData dataWithContentsOfFile:mp3FilePath];
        
        NSString * fileName = [NSString stringWithFormat:@"%@.mp3",loctime];
        
        //上传服务器操作，这里是我接口类的上传方法
        [InterfaceClassFile upVoice:data toPicName:fileName];
        
        //根据和服务器的约定，拼好文件在服务器的地址。
        //[rec]为 和安卓约定用于识别图片和音频的标记
        NSString * filePath = [NSString stringWithFormat:@"[rec]220.142.0.120:8080/lovebaby/tempfiles/%@/%@",strUserI
        d,fileName];
        
        //调用xmpp发送信息方法，将地址发送出去
        XMPPMessage *message = [XMPPMessage messageWithType:@"chat" to:self.toJID];
        
        [message addBody:filePath];
        
        [[[self appDelegate] xmppStream] sendElement:message];
        
        //列表数据刷新
        NSDictionary * dic = [[NSDictionary alloc]initWithObjectsAndKeys:[NSString stringWithFormat:@"%@", filePath],
        @"Message",loctime,@"MessageTime",@"0",@"isOutGoing",nil];
        
        
        [tableData addObject:dic];
        
        [self.tableView reloadData];
        [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:[tableData count]-1 inSection:0]
                              atScrollPosition: UITableViewScrollPositionBottom
                                      animated:YES];
    }

#pragma mark - chatVoiceUpload
+(NSString * )upVoice:(NSData *)voiceOrPic toPicName:(NSString *)picName
{
    NSURL *url = [NSURL URLWithString:IP_UPLOADVOICE];
    
    //创建表单请求
    ASIFormDataRequest * request;
    request = [ASIFormDataRequest requestWithURL:url];
    //设置参数
    [request setPostValue:strUserId forKey:@"user_id"];


   //图片
    NSString * fileName = picName;
    
    [request addData:voiceOrPic withFileName:fileName andContentType:@"image/jpeg"forKey:@"upload_file"];
    
    NSLog(@"%@",request);
    //请求
    [request setDelegate:self];
	[request setShowAccurateProgress:YES];
    [request startSynchronous];
    
    
    NSString * str = [[NSString alloc]initWithData:[request responseData] encoding:NSUTF8StringEncoding];
    
    NSLog(@"%@",str);

    NSError *error = [request error];
    if (error) {
        //        [[[UIAlertView alloc]initWithTitle:@"提示" message:@"上传出错，请稍后重试" delegate:self 
    cancelButtonTitle:@"ok" otherButtonTitles:nil, nil]show];
        
    }
    return  str;

    
}