#include?“imagecamera.h“
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#define?log_debug?qDebug

void?yuyv_to_rgb888（unsigned?char*?yuvunsigned?char*?rgb?int?imgWidth?int?imgHeight）
{
????unsigned?int?i;
????unsigned?char*?y0?=?yuv?+?0;
????unsigned?char*?u0?=?yuv?+?1;
????unsigned?char*?y1?=?yuv?+?2;
????unsigned?char*?v0?=?yuv?+?3;

????unsigned??char*?r0?=?rgb?+?0;
????unsigned??char*?g0?=?rgb?+?1;
????unsigned??char*?b0?=?rgb?+?2;
????unsigned??char*?r1?=?rgb?+?3;
????unsigned??char*?g1?=?rgb?+?4;
????unsigned??char*?b1?=?rgb?+?5;
????//DBG（“yuyv_to_rgb?start\n“）;
????float?rt0?=?0?gt0?=?0?bt0?=?0?rt1?=?0?gt1?=?0?bt1?=?0;

????for（i?=?0;?i?<=?（imgWidth?*?imgHeight）?/?2?;i++）
????{
????????bt0?=?1.164?*?（*y0?-?16）?+?2.018?*?（*u0?-?128）;
????????gt0?=?1.164?*?（*y0?-?16）?-?0.813?*?（*v0?-?128）?-?0.394?*?（*u0?-?128）;
????????rt0?=?1.164?*?（*y0?-?16）?+?1.596?*?（*v0?-?128）;

????????bt1?=?1.164?*?（*y1?-?16）?+?2.018?*?（*u0?-?128）;
????????gt1?=?1.164?*?（*y1?-?16）?-?0.813?*?（*v0?-?128）?-?0.394?*?（*u0?-?128）;
????????rt1?=?1.164?*?（*y1?-?16）?+?1.596?*?（*v0?-?128）;

????????if（rt0?>?250）??	rt0?=?255;
????????if（rt0?
????????if（gt0?>?250）?	gt0?=?255;
????????if（gt0?
????????if（bt0?>?250）	bt0?=?255;
????????if（bt0?
????????if（rt1?>?250）	rt1?=?255;
????????if（rt1?
????????if（gt1?>?250）	gt1?=?255;
????????if（gt1?
????????if（bt1?>?250）	bt1?=?255;
????????if（bt1?
????????*r0?=?（unsigned?char）bt0;
????????*g0?=?（unsigned?char）gt0;
????????*b0?=?（unsigned?char）rt0;

????????*r1?=?（unsigned?char）bt1;
????????*g1?=?（unsigned?char）gt1;
????????*b1?=?（unsigned?char）rt1;

????????yuv?=?yuv?+?4;
????????rgb?=?rgb?+?6;
????????if（yuv?==?NULL）
??????????break;

????????y0?=?yuv;
????????u0?=?yuv?+?1;
????????y1?=?yuv?+?2;
????????v0?=?yuv?+?3;

????????r0?=?rgb?+?0;
????????g0?=?rgb?+?1;
????????b0?=?rgb?+?2;
????????r1?=?rgb?+?3;
????????g1?=?rgb?+?4;
????????b1?=?rgb?+?5;
????}
}

ImageCamera::ImageCamera（QString?c?Qobject?*parent）?:?QThread（parent）
{
????camera?=?c;
????err.clear（）;
????nWidth?=?1280;
????nHeight?=?960;
????nSize?=?nWidth?*?nHeight?*?2;
????bKeep?=?false;
????memset（pix_format?0?sizeof（pix_format））;

????cam_fd?=?-1;
????buffer_count?=?1;???//5;???????//?count?指定根據(jù)圖像占用空間大小申請(qǐng)的緩存區(qū)個(gè)數(shù)
????video_buffer_ptr?=?new?u8*[buffer_count];
}

bool?ImageCamera::initCamera（）
{
????int?index?=?0;
????int?ret?=?0;

????if（camera.isEmpty（））
????{
????????err?=?QString（“設(shè)備節(jié)點(diǎn)位置為空“）;
????????return?false;
????}

????if（cam_fd?!=?-1）
????{
????????close（cam_fd）;
????}

????//??打開相機(jī)設(shè)備節(jié)點(diǎn)
????cam_fd?=?open（camera.toStdString（）.c_str（）?O_RDWR）;
????if（cam_fd?==?-1）
????{
????????err?=?QString（“打開相機(jī)節(jié)點(diǎn)失敗“）;
????????retur

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????13136??2018-12-29?18:23??V4L2_Camera\imagecamera.cpp

?????文件???????1593??2018-12-29?13:20??V4L2_Camera\imagecamera.h

?????文件????????172??2018-12-29?19:42??V4L2_Camera\main.cpp

?????文件???????1181??2018-12-29?19:50??V4L2_Camera\mainwindow.cpp

?????文件????????399??2018-12-29?19:44??V4L2_Camera\mainwindow.h

?????文件???????1222??2018-12-29?19:48??V4L2_Camera\mainwindow.ui

?????文件??????49948??2018-12-29?19:48??V4L2_Camera\V4L2_Camera

?????文件???????1108??2018-12-29?19:48??V4L2_Camera\V4L2_Camera.pro

?????目錄??????????0??2018-12-29?19:53??V4L2_Camera

-----------?---------??----------?-----??----

????????????????68759????????????????????9