#include?“camdevice.h“


CamDevice::CamDevice（QString?dev_name）
{
????this->dev_name?=?dev_name;
????this->fd?=?-1;
????this->buffers?=?NULL;
????this->n_buffers?=?0;
????this->index?=?-1;

}

int?CamDevice::open_device（）
{
????fd?=?open（dev_name.toStdString（）.c_str（）?O_RDWR/*|O_NONBLOCK*/?0）;
???//?fd?=?open（dev_name.toStdString（）.c_str（）?O_RDWR|O_NONBLOCK?0）;

????if（-1?==?fd）
????{
????????emit?display_error（tr（“open:?%1“）.arg（QString（strerror（errno））））;
????????return?-1;
????}
????return?0;
}

int?CamDevice::close_device（）
{
????if（-1?==?close（fd））
????{
????????emit?display_error（tr（“close:?%1“）.arg（QString（strerror（errno））））;
????????return?-1;
????}
????return?0;
}

int?CamDevice::init_device（）
{
????v4l2_capability?cap;
????v4l2_cropcap?cropcap;
????v4l2_crop?crop;
????v4l2_fo

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2013-03-26?22:53??FaceRecognition\
?????文件????????7478??2013-03-26?22:53??FaceRecognition\1.bmp
?????文件?????????373??2013-03-26?22:32??FaceRecognition\Connection.h
?????文件???????84902??2013-03-26?22:53??FaceRecognition\FaceRecognition
?????文件?????????480??2013-03-26?22:32??FaceRecognition\FaceRecognition.pro
?????文件???????36233??2013-03-26?22:53??FaceRecognition\FaceRecognition.pro.user
?????文件???????11158??2013-03-26?22:53??FaceRecognition\Makefile
?????文件????????6848??2013-03-26?22:32??FaceRecognition\camdevice.cpp
?????文件?????????896??2013-03-26?22:32??FaceRecognition\camdevice.h
?????文件???????14516??2013-03-26?22:53??FaceRecognition\camdevice.o
?????目錄???????????0??2013-03-26?22:32??FaceRecognition\data\
?????目錄???????????0??2013-03-26?22:32??FaceRecognition\data\face\
?????文件????????7478??2013-03-26?22:32??FaceRecognition\data\face\1.bmp
?????文件????????7478??2013-03-26?22:32??FaceRecognition\data\face\3.bmp
?????文件????????7478??2013-03-26?22:32??FaceRecognition\data\face\4.bmp
?????文件????????7478??2013-03-26?22:32??FaceRecognition\data\face\5.bmp
?????文件????????7478??2013-03-26?22:32??FaceRecognition\data\face\6.bmp
?????文件??????837462??2013-03-26?22:32??FaceRecognition\data\haarcascade_frontalface_alt2.xml
?????文件??????????81??2013-03-26?22:32??FaceRecognition\data\people_list
?????文件????????5120??2013-03-26?22:32??FaceRecognition\face.db
?????文件??????451071??2013-03-26?22:53??FaceRecognition\facedata.xml
?????文件??????837462??2013-03-26?22:32??FaceRecognition\haarcascade_frontalface_alt2.xml
?????文件?????????534??2013-03-26?22:32??FaceRecognition\inputpage.cpp
?????文件?????????405??2013-03-26?22:32??FaceRecognition\inputpage.h
?????文件????????8292??2013-03-26?22:53??FaceRecognition\inputpage.o
?????文件????????1795??2013-03-26?22:32??FaceRecognition\inputpage.ui
?????文件????????4405??2013-03-26?22:32??FaceRecognition\learningface.cpp
?????文件?????????905??2013-03-26?22:32??FaceRecognition\learningface.h
?????文件????????6528??2013-03-26?22:53??FaceRecognition\learningface.o
?????文件?????????244??2013-03-26?22:32??FaceRecognition\main.cpp
?????文件????????4644??2013-03-26?22:32??FaceRecognition\main.o
............此處省略50個(gè)文件信息