所以在这段代码中,我试图做的是从放入新文件的 wave 文件中读取最初的 44 个字节,然后使用一系列左右短裤计算组合
新文件:(初始 44 字节 - 组合 - 组合 - 组合...)但是当我尝试调用 fwrite 时它停止了。
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
FILE * firstFile;
FILE * finalFile;
size_t size;
char *buffer;
short left;
short right;
short combination;
int loop;
printf("%s", argv[1]);
if ((firstFile = fopen("test.wav", "rb")) == NULL) {
printf("File error");
exit(1);
}
fseek(firstFile, 0, SEEK_END);
size = ftell(firstFile);
fseek(firstFile, 0, SEEK_SET);
buffer = malloc(44);
fread(buffer, 1, 44, firstFile);
finalFile = fopen("new.wav", "rb");
fwrite(&buffer, sizeof(buffer), 1, finalFile);
loop = 1;
while (loop == 1) {
fread(&left, sizeof(short), 1, firstFile);
if (fread(&right, sizeof(short), 1, firstFile) == 0) {
loop = 0;
}
combination = (left - right) / 2;
fwrite(&combination, sizeof(short), 1, finalFile);
}
fclose(firstFile);
fclose(finalFile);
free(buffer);
return 0;
}
最佳答案
您刚刚以“rb”模式打开了写入文件。
finalFile = fopen("new.wav", "rb");
请试试
finalFile = fopen("new.wav", "wb");
并检查
finalFile==NULL
关于C 程序在执行 fwrite 时终止,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28185608/