struct v4l2_buffer {
__u32 bytesused;
__u32 length;
};
正常情况是相等; 现在情况是不相等情况,
if (buf.bytesused != buf.length)
printf
struct v4l2_buffer {
__u32 bytesused;
__u32 length;
};
正常情况是相等; 现在情况是不相等情况,
if (buf.bytesused != buf.length)
printf