/include/linux/videodev2.h:


typedef __s64 stamp_t;

struct v4l2_buffer
{
        __u32                   index;
        enum v4l2_buf_type      type;
        __u32                   bytesused;
        __u32                   flags;
        enum v4l2_field         field;
//      struct timeval          timestamp;
        stamp_t                 timestamp;
        struct v4l2_timecode    timecode;
        __u32                   sequence;

        /* memory location */
        enum v4l2_memory        memory;
        union {
                __u32           offset;
                unsigned long   userptr;
        } m;
        __u32                   length;
        __u32                   input;
        __u32                   reserved;
};