add .gitignore
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50
msext/Class/Common/VoiceConvert/VoiceConverter.mm
Executable file
50
msext/Class/Common/VoiceConvert/VoiceConverter.mm
Executable file
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//
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// VoiceConverter.m
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// Jeans
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//
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// Created by Jeans Huang on 12-7-22.
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// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
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//
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#import "VoiceConverter.h"
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//#import "interf_dec.h"
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//#import "dec_if.h"
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//#import "interf_enc.h"
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#import "amrFileCodec.h"
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@implementation VoiceConverter
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//转换amr到wav
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+ (int)ConvertAmrToWav:(NSString *)aAmrPath wavSavePath:(NSString *)aSavePath{
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if (! DecodeAMRFileToWAVEFile([aAmrPath cStringUsingEncoding:NSASCIIStringEncoding], [aSavePath cStringUsingEncoding:NSASCIIStringEncoding]))
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return 0;
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return 1;
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}
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//转换wav到amr
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+ (int)ConvertWavToAmr:(NSString *)aWavPath amrSavePath:(NSString *)aSavePath{
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if (! EncodeWAVEFileToAMRFile([aWavPath cStringUsingEncoding:NSASCIIStringEncoding], [aSavePath cStringUsingEncoding:NSASCIIStringEncoding], 1, 16))
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return 0;
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return 1;
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}
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//获取录音设置
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+ (NSDictionary*)GetAudioRecorderSettingDict{
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NSDictionary *recordSetting = [[NSDictionary alloc] initWithObjectsAndKeys:
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[NSNumber numberWithFloat: 8000.0],AVSampleRateKey, //采样率
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[NSNumber numberWithInt: kAudioFormatLinearPCM],AVFormatIDKey,
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[NSNumber numberWithInt:16],AVLinearPCMBitDepthKey,//采样位数 默认 16
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[NSNumber numberWithInt: 1], AVNumberOfChannelsKey,//通道的数目
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// [NSNumber numberWithBool:NO],AVLinearPCMIsBigEndianKey,//大端还是小端 是内存的组织方式
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// [NSNumber numberWithBool:NO],AVLinearPCMIsFloatKey,//采样信号是整数还是浮点数
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// [NSNumber numberWithInt: AVAudioQualityMedium],AVEncoderAudioQualityKey,//音频编码质量
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nil];
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return recordSetting;
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}
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@end
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