uvc_video.c -- USB Video Class driver - Video handling
uvc_video.c -- USB Video Class driver - Video handling
uvc_video.c -- USB Video Class driver - Video handling
// test.cpp : 定义控制台应用程序的入口点。 // #include "stdafx.h" #include <iostream> using namespace std; struct queue_e { struct queue_e *next; }; typedef struct queue_e *q_ptr; #define queue_e q_ptr typedef struct queue_s { queue_e head; queue_e tail; int len; int max_len; int min_len; } QUEUE, *PQUEUE; void *DeQueue( QUEUE *q) { queue_e temp = q->head; if ( temp == 0) { if (q->len != 0) return (void *)0; } q->head = temp->next; temp->next = 0; if ( q->head == 0) { q->tail = 0; } q->len--; if ( q->len < q->min_len) { q->min_len = q->len; } return ((void*)temp); } void EnQueue( QUEUE *q, void *e) { ((q_ptr)e)->next = 0; if ( q->head == 0) { q->head = (q_ptr)e; } else { q->tail->next = (q_ptr)e; } q->tail = (q_ptr)e; if ( ++(q->len) > q->max_len) { q->max_len = q->len; } } void ResetQueue( QUEUE *q) { q->head = 0; q->tail = 0; q->len = 0; q->max_len = 0; q->min_len = 9999; } int _tmain(int argc, _TCHAR* argv[]) { system("PAUSE"); return 0; }