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This commit is contained in:
JoyWayer
2023-12-27 20:38:37 +08:00
parent b106a628a5
commit f6343426d6
515 changed files with 104217 additions and 199 deletions
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41
msext/Class/Common/VoiceConvert/VoiceConverter.h Executable file
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//
// VoiceConverter.h
// Jeans
//
// Created by Jeans Huang on 12-7-22.
// Copyright (c) 2012年 __MyCompanyName__. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <AVFoundation/AVFoundation.h>
@interface VoiceConverter : NSObject
/**
* 转换wav到amr
*
* @param aWavPath wav文件路径
* @param aSavePath amr保存路径
*
* @return 0失败 1成功
*/
+ (int)ConvertWavToAmr:(NSString *)aWavPath amrSavePath:(NSString *)aSavePath;
/**
* 转换amr到wav
*
* @param aAmrPath amr文件路径
* @param aSavePath wav保存路径
*
* @return 0失败 1成功
*/
+ (int)ConvertAmrToWav:(NSString *)aAmrPath wavSavePath:(NSString *)aSavePath;
/**
获取录音设置.
建议使用此设置，如有修改，则转换amr时也要对应修改参数，比较麻烦
@returns 录音设置
*/
+ (NSDictionary*)GetAudioRecorderSettingDict;
@end

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

75
msext/Class/Common/VoiceConvert/amrwapper/amrFileCodec.h Executable file
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//
// amrFileCodec.h
// amrDemoForiOS
//
// Created by Tang Xiaoping on 9/27/11.
// Copyright 2011 test. All rights reserved.
//
#ifndef amrFileCodec_h
#define amrFileCodec_h
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "interf_dec.h"
#include "interf_enc.h"
#define AMR_MAGIC_NUMBER "#!AMR\n"
#define PCM_FRAME_SIZE 160 // 8khz 8000*0.02=160
#define MAX_AMR_FRAME_SIZE 32
#define AMR_FRAME_COUNT_PER_SECOND 50
typedef struct
{
char chChunkID[4];
int nChunkSize;
}XCHUNKHEADER;
typedef struct
{
short nFormatTag;
short nChannels;
int nSamplesPerSec;
int nAvgBytesPerSec;
short nBlockAlign;
short nBitsPerSample;
}WAVEFORMAT;
typedef struct
{
short nFormatTag;
short nChannels;
int nSamplesPerSec;
int nAvgBytesPerSec;
short nBlockAlign;
short nBitsPerSample;
short nExSize;
}WAVEFORMATX;
typedef struct
{
char chRiffID[4];
int nRiffSize;
char chRiffFormat[4];
}RIFFHEADER;
typedef struct
{
char chFmtID[4];
int nFmtSize;
WAVEFORMAT wf;
}FMTBLOCK;
// WAVE音频采样频率是8khz
// 音频样本单元数 = 8000*0.02 = 160 (由采样频率决定)
// 声道数 1 : 160
// 2 : 160*2 = 320
// bps决定样本(sample)大小
// bps = 8 --> 8位 unsigned char
// 16 --> 16位 unsigned short
int EncodeWAVEFileToAMRFile(const char* pchWAVEFilename, const char* pchAMRFileName, int nChannels, int nBitsPerSample);
// 将AMR文件解码成WAVE文件
int DecodeAMRFileToWAVEFile(const char* pchAMRFileName, const char* pchWAVEFilename);
#endif

393
msext/Class/Common/VoiceConvert/amrwapper/amrFileCodec.mm Executable file
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//
// amrFileCodec.cpp
// amrDemoForiOS
//
// Created by Tang Xiaoping on 9/27/11.
// Copyright 2011 test. All rights reserved.
//
#include "amrFileCodec.h"
int amrEncodeMode[] = {4750, 5150, 5900, 6700, 7400, 7950, 10200, 12200}; // amr 编码方式
// 从WAVE文件中跳过WAVE文件头，直接到PCM音频数据
void SkipToPCMAudioData(FILE* fpwave)
{
RIFFHEADER riff;
FMTBLOCK fmt;
XCHUNKHEADER chunk;
WAVEFORMATX wfx;
int bDataBlock = 0;
// 1. 读RIFF头
fread(&riff, 1, sizeof(RIFFHEADER), fpwave);
// 2. 读FMT块 - 如果 fmt.nFmtSize>16 说明需要还有一个附属大小没有读
fread(&chunk, 1, sizeof(XCHUNKHEADER), fpwave);
if ( chunk.nChunkSize>16 )
{
fread(&wfx, 1, sizeof(WAVEFORMATX), fpwave);
}
else
{
memcpy(fmt.chFmtID, chunk.chChunkID, 4);
fmt.nFmtSize = chunk.nChunkSize;
fread(&fmt.wf, 1, sizeof(WAVEFORMAT), fpwave);
}
// 3.转到data块 - 有些还有fact块等。
while(!bDataBlock)
{
fread(&chunk, 1, sizeof(XCHUNKHEADER), fpwave);
if ( !memcmp(chunk.chChunkID, "data", 4) )
{
bDataBlock = 1;
break;
}
// 因为这个不是data块,就跳过块数据
fseek(fpwave, chunk.nChunkSize, SEEK_CUR);
}
}
// 从WAVE文件读一个完整的PCM音频帧
// 返回值: 0-错误 >0: 完整帧大小
int ReadPCMFrame(short speech[], FILE* fpwave, int nChannels, int nBitsPerSample)
{
int nRead = 0;
int x = 0, y=0;
// unsigned short ush1=0, ush2=0, ush=0;
// 原始PCM音频帧数据
unsigned char pcmFrame_8b1[PCM_FRAME_SIZE];
unsigned char pcmFrame_8b2[PCM_FRAME_SIZE<<1];
unsigned short pcmFrame_16b1[PCM_FRAME_SIZE];
unsigned short pcmFrame_16b2[PCM_FRAME_SIZE<<1];
if (nBitsPerSample==8 && nChannels==1)
{
nRead = fread(pcmFrame_8b1, (nBitsPerSample/8), PCM_FRAME_SIZE*nChannels, fpwave);
for(x=0; x<PCM_FRAME_SIZE; x++)
{
speech[x] =(short)((short)pcmFrame_8b1[x] << 7);
}
}
else
if (nBitsPerSample==8 && nChannels==2)
{
nRead = fread(pcmFrame_8b2, (nBitsPerSample/8), PCM_FRAME_SIZE*nChannels, fpwave);
for( x=0, y=0; y<PCM_FRAME_SIZE; y++,x+=2 )
{
// 1 - 取两个声道之左声道
speech[y] =(short)((short)pcmFrame_8b2[x+0] << 7);
// 2 - 取两个声道之右声道
//speech[y] =(short)((short)pcmFrame_8b2[x+1] << 7);
// 3 - 取两个声道的平均值
//ush1 = (short)pcmFrame_8b2[x+0];
//ush2 = (short)pcmFrame_8b2[x+1];
//ush = (ush1 + ush2) >> 1;
//speech[y] = (short)((short)ush << 7);
}
}
else
if (nBitsPerSample==16 && nChannels==1)
{
nRead = fread(pcmFrame_16b1, (nBitsPerSample/8), PCM_FRAME_SIZE*nChannels, fpwave);
for(x=0; x<PCM_FRAME_SIZE; x++)
{
speech[x] = (short)pcmFrame_16b1[x+0];
}
}
else
if (nBitsPerSample==16 && nChannels==2)
{
nRead = fread(pcmFrame_16b2, (nBitsPerSample/8), PCM_FRAME_SIZE*nChannels, fpwave);
for( x=0, y=0; y<PCM_FRAME_SIZE; y++,x+=2 )
{
//speech[y] = (short)pcmFrame_16b2[x+0];
speech[y] = (short)((int)((int)pcmFrame_16b2[x+0] + (int)pcmFrame_16b2[x+1])) >> 1;
}
}
// 如果读到的数据不是一个完整的PCM帧, 就返回0
if (nRead<PCM_FRAME_SIZE*nChannels) return 0;
return nRead;
}
// WAVE音频采样频率是8khz
// 音频样本单元数 = 8000*0.02 = 160 (由采样频率决定)
// 声道数 1 : 160
// 2 : 160*2 = 320
// bps决定样本(sample)大小
// bps = 8 --> 8位 unsigned char
// 16 --> 16位 unsigned short
int EncodeWAVEFileToAMRFile(const char* pchWAVEFilename, const char* pchAMRFileName, int nChannels, int nBitsPerSample)
{
FILE* fpwave;
FILE* fpamr;
/* input speech vector */
short speech[160];
/* counters */
int byte_counter, frames = 0, bytes = 0;
/* pointer to encoder state structure */
void *enstate;
/* requested mode */
enum Mode req_mode = MR122;
int dtx = 0;
/* bitstream filetype */
unsigned char amrFrame[MAX_AMR_FRAME_SIZE];
fpwave = fopen(pchWAVEFilename, "rb");
if (fpwave == NULL)
{
return 0;
}
// 创建并初始化amr文件
fpamr = fopen(pchAMRFileName, "wb");
if (fpamr == NULL)
{
fclose(fpwave);
return 0;
}
/* write magic number to indicate single channel AMR file storage format */
bytes = fwrite(AMR_MAGIC_NUMBER, sizeof(char), strlen(AMR_MAGIC_NUMBER), fpamr);
/* skip to pcm audio data*/
SkipToPCMAudioData(fpwave);
enstate = Encoder_Interface_init(dtx);
while(1)
{
// read one pcm frame
if (!ReadPCMFrame(speech, fpwave, nChannels, nBitsPerSample)) break;
frames++;
/* call encoder */
byte_counter = Encoder_Interface_Encode(enstate, req_mode, speech, amrFrame, 0);
bytes += byte_counter;
fwrite(amrFrame, sizeof (unsigned char), byte_counter, fpamr );
}
Encoder_Interface_exit(enstate);
fclose(fpamr);
fclose(fpwave);
return frames;
}
#pragma mark - Decode
//decode
void WriteWAVEFileHeader(FILE* fpwave, int nFrame)
{
char tag[10] = "";
// 1. 写RIFF头
RIFFHEADER riff;
strcpy(tag, "RIFF");
memcpy(riff.chRiffID, tag, 4);
riff.nRiffSize = 4 // WAVE
+ sizeof(XCHUNKHEADER) // fmt
+ sizeof(WAVEFORMATX) // WAVEFORMATX
+ sizeof(XCHUNKHEADER) // DATA
+ nFrame*160*sizeof(short); //
strcpy(tag, "WAVE");
memcpy(riff.chRiffFormat, tag, 4);
fwrite(&riff, 1, sizeof(RIFFHEADER), fpwave);
// 2. 写FMT块
XCHUNKHEADER chunk;
WAVEFORMATX wfx;
strcpy(tag, "fmt ");
memcpy(chunk.chChunkID, tag, 4);
chunk.nChunkSize = sizeof(WAVEFORMATX);
fwrite(&chunk, 1, sizeof(XCHUNKHEADER), fpwave);
memset(&wfx, 0, sizeof(WAVEFORMATX));
wfx.nFormatTag = 1;
wfx.nChannels = 1; // 单声道
wfx.nSamplesPerSec = 8000; // 8khz
wfx.nAvgBytesPerSec = 16000;
wfx.nBlockAlign = 2;
wfx.nBitsPerSample = 16; // 16位
fwrite(&wfx, 1, sizeof(WAVEFORMATX), fpwave);
// 3. 写data块头
strcpy(tag, "data");
memcpy(chunk.chChunkID, tag, 4);
chunk.nChunkSize = nFrame*160*sizeof(short);
fwrite(&chunk, 1, sizeof(XCHUNKHEADER), fpwave);
}
const int myround(const double x)
{
return((int)(x+0.5));
}
// 根据帧头计算当前帧大小
int caclAMRFrameSize(unsigned char frameHeader)
{
int mode;
int temp1 = 0;
int temp2 = 0;
int frameSize;
temp1 = frameHeader;
// 编码方式编号 = 帧头的3-6位
temp1 &= 0x78; // 0111-1000
temp1 >>= 3;
mode = amrEncodeMode[temp1];
// 计算amr音频数据帧大小
// 原理: amr 一帧对应20ms，那么一秒有50帧的音频数据
temp2 = myround((double)(((double)mode / (double)AMR_FRAME_COUNT_PER_SECOND) / (double)8));
frameSize = myround((double)temp2 + 0.5);
return frameSize;
}
// 读第一个帧 - (参考帧)
// 返回值: 0-出错; 1-正确
int ReadAMRFrameFirst(FILE* fpamr, unsigned char frameBuffer[], int* stdFrameSize, unsigned char* stdFrameHeader)
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wsizeof-array-argument"
#pragma clang diagnostic ignored "-Wsizeof-pointer-memaccess"
memset(frameBuffer, 0, sizeof(frameBuffer));
#pragma clang diagnostic pop
// 先读帧头
fread(stdFrameHeader, 1, sizeof(unsigned char), fpamr);
if (feof(fpamr)) return 0;
// 根据帧头计算帧大小
*stdFrameSize = caclAMRFrameSize(*stdFrameHeader);
// 读首帧
frameBuffer[0] = *stdFrameHeader;
fread(&(frameBuffer[1]), 1, (*stdFrameSize-1)*sizeof(unsigned char), fpamr);
if (feof(fpamr)) return 0;
return 1;
}
// 返回值: 0-出错; 1-正确
int ReadAMRFrame(FILE* fpamr, unsigned char frameBuffer[], int stdFrameSize, unsigned char stdFrameHeader)
{
int bytes = 0;
unsigned char frameHeader; // 帧头
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wsizeof-array-argument"
#pragma clang diagnostic ignored "-Wsizeof-pointer-memaccess"
memset(frameBuffer, 0, sizeof(frameBuffer));
#pragma clang diagnostic pop
// 读帧头
// 如果是坏帧(不是标准帧头)，则继续读下一个字节，直到读到标准帧头
while(1)
{
bytes = fread(&frameHeader, 1, sizeof(unsigned char), fpamr);
if (feof(fpamr)) return 0;
if (frameHeader == stdFrameHeader) break;
}
// 读该帧的语音数据(帧头已经读过)
frameBuffer[0] = frameHeader;
bytes = fread(&(frameBuffer[1]), 1, (stdFrameSize-1)*sizeof(unsigned char), fpamr);
if (feof(fpamr)) return 0;
return 1;
}
// 将AMR文件解码成WAVE文件
int DecodeAMRFileToWAVEFile(const char* pchAMRFileName, const char* pchWAVEFilename)
{
FILE* fpamr = NULL;
FILE* fpwave = NULL;
char magic[8];
void * destate;
int nFrameCount = 0;
int stdFrameSize;
unsigned char stdFrameHeader;
unsigned char amrFrame[MAX_AMR_FRAME_SIZE];
short pcmFrame[PCM_FRAME_SIZE];
// NSString * path = [[NSBundle mainBundle] pathForResource: @"test" ofType: @"amr"];
// fpamr = fopen([path cStringUsingEncoding:NSASCIIStringEncoding], "rb");
fpamr = fopen(pchAMRFileName, "rb");
if ( fpamr==NULL ) return 0;
// 检查amr文件头
fread(magic, sizeof(char), strlen(AMR_MAGIC_NUMBER), fpamr);
if (strncmp(magic, AMR_MAGIC_NUMBER, strlen(AMR_MAGIC_NUMBER)))
{
fclose(fpamr);
return 0;
}
// 创建并初始化WAVE文件
// NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
// NSString *documentPath = [paths objectAtIndex:0];
// NSString *docFilePath = [documentPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%s", pchWAVEFilename]];
// NSLog(@"documentPath=%@", documentPath);
//
// fpwave = fopen([docFilePath cStringUsingEncoding:NSASCIIStringEncoding], "wb");
fpwave = fopen(pchWAVEFilename,"wb");
WriteWAVEFileHeader(fpwave, nFrameCount);
/* init decoder */
destate = Decoder_Interface_init();
// 读第一帧 - 作为参考帧
memset(amrFrame, 0, sizeof(amrFrame));
memset(pcmFrame, 0, sizeof(pcmFrame));
ReadAMRFrameFirst(fpamr, amrFrame, &stdFrameSize, &stdFrameHeader);
// 解码一个AMR音频帧成PCM数据
Decoder_Interface_Decode(destate, amrFrame, pcmFrame, 0);
nFrameCount++;
fwrite(pcmFrame, sizeof(short), PCM_FRAME_SIZE, fpwave);
// 逐帧解码AMR并写到WAVE文件里
while(1)
{
memset(amrFrame, 0, sizeof(amrFrame));
memset(pcmFrame, 0, sizeof(pcmFrame));
if (!ReadAMRFrame(fpamr, amrFrame, stdFrameSize, stdFrameHeader)) break;
// 解码一个AMR音频帧成PCM数据 (8k-16b-单声道)
Decoder_Interface_Decode(destate, amrFrame, pcmFrame, 0);
nFrameCount++;
fwrite(pcmFrame, sizeof(short), PCM_FRAME_SIZE, fpwave);
}
printf("frame = %d\n", nFrameCount);
Decoder_Interface_exit(destate);
fclose(fpwave);
// 重写WAVE文件头
// fpwave = fopen([docFilePath cStringUsingEncoding:NSASCIIStringEncoding], "r+");
fpwave = fopen(pchWAVEFilename, "r+");
WriteWAVEFileHeader(fpwave, nFrameCount);
fclose(fpwave);
return nFrameCount;
}

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msext/Class/Common/VoiceConvert/lib/libopencore-amrnb.a Executable file
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msext/Class/Common/VoiceConvert/lib/libopencore-amrwb.a Executable file
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msext/Class/Common/VoiceConvert/opencore-amrnb/interf_dec.h Executable file
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/* ------------------------------------------------------------------
* Copyright (C) 2009 Martin Storsjo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef OPENCORE_AMRNB_INTERF_DEC_H
#define OPENCORE_AMRNB_INTERF_DEC_H
#ifdef __cplusplus
extern "C" {
#endif
void* Decoder_Interface_init(void);
void Decoder_Interface_exit(void* state);
void Decoder_Interface_Decode(void* state, const unsigned char* in, short* out, int bfi);
#ifdef __cplusplus
}
#endif
#endif

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msext/Class/Common/VoiceConvert/opencore-amrnb/interf_enc.h Executable file
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/* ------------------------------------------------------------------
* Copyright (C) 2009 Martin Storsjo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef OPENCORE_AMRNB_INTERF_ENC_H
#define OPENCORE_AMRNB_INTERF_ENC_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef AMRNB_WRAPPER_INTERNAL
/* Copied from enc/src/gsmamr_enc.h */
enum Mode {
MR475 = 0,/* 4.75 kbps */
MR515, /* 5.15 kbps */
MR59, /* 5.90 kbps */
MR67, /* 6.70 kbps */
MR74, /* 7.40 kbps */
MR795, /* 7.95 kbps */
MR102, /* 10.2 kbps */
MR122, /* 12.2 kbps */
MRDTX, /* DTX */
N_MODES /* Not Used */
};
#endif
void* Encoder_Interface_init(int dtx);
void Encoder_Interface_exit(void* state);
int Encoder_Interface_Encode(void* state, enum Mode mode, const short* speech, unsigned char* out, int forceSpeech);
#ifdef __cplusplus
}
#endif
#endif

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msext/Class/Common/VoiceConvert/opencore-amrwb/dec_if.h Executable file
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/* ------------------------------------------------------------------
* Copyright (C) 2009 Martin Storsjo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef OPENCORE_AMRWB_DEC_IF_H
#define OPENCORE_AMRWB_DEC_IF_H
#ifdef __cplusplus
extern "C" {
#endif
#define _good_frame 0
void* D_IF_init(void);
void D_IF_decode(void* state, const unsigned char* bits, short* synth, int bfi);
void D_IF_exit(void* state);
#ifdef __cplusplus
}
#endif
#endif

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msext/Class/Common/VoiceConvert/opencore-amrwb/if_rom.h Executable file
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/* ------------------------------------------------------------------
* Copyright (C) 2009 Martin Storsjo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied.
* See the License for the specific language governing permissions
* and limitations under the License.
* -------------------------------------------------------------------
*/
#ifndef OPENCORE_AMRWB_IF_ROM_H
#define OPENCORE_AMRWB_IF_ROM_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
typedef int16_t Word16;
#ifdef __cplusplus
}
#endif
#endif