C语言读取pcm格式,pcm文件转wav C语言

#include #include

/**

* Convert PCM raw data to WAVE format

* @param pcmpath Input PCM file.

* @param channels Channel number of PCM file.

* @param sample_rate Sample rate of PCM file.

* @param wavepath Output WAVE file.*/

int transform_pcm_to_wave(const char *pcmpath, int channels, int sample_rate, const char *wavepath)

{

typedefstructWAVE_HEADER{char fccID[4]; //内容为"RIFF"

unsigned int dwSize; //最后填写，WAVE格式音频的大小

char fccType[4]; //内容为"WAVE"

}WAVE_HEADER;

typedefstructWAVE_FMT{char fccID[4]; //内容为"fmt "

unsigned int dwSize; //内容为WAVE_FMT占的字节数，为16

short int wFormatTag; //如果为PCM，改值为 1

short int wChannels; //通道数，单通道=1，双通道=2

unsigned int dwSamplesPerSec;//采样频率

unsigned int dwAvgBytesPerSec;/*==dwSam