speech_lib/ios/Classes/Mp4ToPcmHelper.h

//
//  M4aToPcmHelper.h
//  TianyiProSwift
//
//  Created by i2国际私塾 on 2017/3/21.
//  Copyright © 2017年 Chengdu Aitu Education Technology Ltd. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Mp4ToPcmHelper : NSObject

/**
 *  根据mp4视频转化成pcm格式的音频
 *
 *  @param videoUrl 视频路径
 */
+ (void) Mp4ToPcmWithUrl:(NSURL*)videoUrl completion:(void(^)(NSData*data))completionHandle;

@end