if (fread(picture_buf, 1, y_size * 3 / 2, in_file) <= 0) {
printf("Failed to read raw data! \n");
return false;
}
fread函数,从文件流中读取数据,如果不成功或读到文件末尾返回 0
if (fread(picture_buf, 1, y_size * 3 / 2, in_file) <= 0) {
printf("Failed to read raw data! \n");
return false;
}
fread函数,从文件流中读取数据,如果不成功或读到文件末尾返回 0