視頻監控系統中,除了常規的1畫面、4畫面、9畫面、16畫面之外,還有幾個佈局比較另類,好比6畫面、8畫面、13畫面,有些通道須要佔據不一樣的行列,4畫面、9畫面、16畫面都是很是對稱的佈局,行數和列數都同樣,並且每一個通道佔據的面積都同樣,初學者都知道怎麼處理。而其餘幾種佈局就須要先在頭腦中或者紙上規劃好哪一個通道佔用多大面積,佔用幾行幾列,Qt的表格佈局很是強大,除了最經常使用的橫向佈局和垂直佈局之外,就屬於表格佈局用的最多了,用好了,各類異形效果均可以作出來,gridLayout的第四第五個參數就是用來控制當前控件佔用的行數和列數,默認是1,表示佔用1行1列,經過控制這兩個參數,就能夠很是方便的實現6畫面、8畫面、13畫面的效果了。linux
體驗地址:https://pan.baidu.com/s/1bbL2ZughZAgfIGrexyN-9g 提取碼:zkeh 。安全
監控系統是由攝像、傳輸、控制、顯示、記錄登記5大部分組成。攝像機經過同軸視頻電纜將視頻圖像傳輸到控制主機,控制主機再將視頻信號分配到各監視器及錄像設備,同時可將須要傳輸的語音信號同步錄入到錄像機內。 經過控制主機,操做人員可發出指令,對雲臺的上、下、左、右的動做進行控制及對鏡頭進行調焦變倍的操做,並可經過控制主機實如今多路攝像機及雲臺之間的切換。利用特殊的錄像處理模式,可對圖像進行錄入、回放、處理等操做,使錄像效果達到最佳。ide
視頻監控系統由實時控制系統、監視系統及管理信息系統組成。實時控制系統完成實時數據採集處理、存儲、反饋的功能;監視系統完成對各個監控點的全天候的監視,能在多操做控制點上切換多路圖像;管理信息系統完成各種所需信息的採集、接收、傳輸、加工、處理,是整個系統的控制核心。視頻監控系統是安全防範系統的組成部分,它是一種防範能力較強的綜合系統。視頻監控以其直觀、方便、信息內容豐富而普遍應用於許多場合。工具
void frmVideoPanel::show_video_all() { if (App::VideoType.startsWith("0_")) { QStringList list = App::VideoType.split("_"); int index = list.last().toInt() - 1; hide_video_all(); ui->gridLayout->addWidget(widgets.at(index), 0, 0); widgets.at(index)->setVisible(true); ui->btnVideo1->setChecked(true); } else if (App::VideoType == "1_4") { change_video_4(0); } else if (App::VideoType == "5_8") { change_video_4(4); } else if (App::VideoType == "9_12") { change_video_4(8); } else if (App::VideoType == "13_16") { change_video_4(12); } else if (App::VideoType == "1_6") { change_video_6(0); } else if (App::VideoType == "6_11") { change_video_6(5); } else if (App::VideoType == "11_16") { change_video_6(10); } else if (App::VideoType == "1_8") { change_video_8(0); } else if (App::VideoType == "9_16") { change_video_8(8); } else if (App::VideoType == "1_9") { change_video_9(0); } else if (App::VideoType == "8_16") { change_video_9(7); } else if (App::VideoType == "1_13") { change_video_13(0); } else if (App::VideoType == "4_16") { change_video_13(3); } else if (App::VideoType == "1_16") { change_video_16(0); } } void frmVideoPanel::show_video_4() { QString videoType; int index = 0; QAction *action = (QAction *)sender(); QString name = action->text(); if (name == "通道1-通道4") { index = 0; videoType = "1_4"; } else if (name == "通道5-通道8") { index = 4; videoType = "5_8"; } else if (name == "通道9-通道12") { index = 8; videoType = "9_12"; } else if (name == "通道13-通道16") { index = 12; videoType = "13_16"; } if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_4(index); } } void frmVideoPanel::show_video_6() { QString videoType; int index = 0; QAction *action = (QAction *)sender(); QString name = action->text(); if (name == "通道1-通道6") { index = 0; videoType = "1_6"; } else if (name == "通道6-通道11") { index = 5; videoType = "6_11"; } else if (name == "通道11-通道16") { index = 10; videoType = "11_16"; } if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_6(index); } } void frmVideoPanel::show_video_8() { QString videoType; int index = 0; QAction *action = (QAction *)sender(); QString name = action->text(); if (name == "通道1-通道8") { index = 0; videoType = "1_8"; } else if (name == "通道9-通道16") { index = 8; videoType = "9_16"; } if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_8(index); } } void frmVideoPanel::show_video_9() { QString videoType; int index = 0; QAction *action = (QAction *)sender(); QString name = action->text(); if (name == "通道1-通道9") { index = 0; videoType = "1_9"; } else if (name == "通道8-通道16") { index = 7; videoType = "8_16"; } if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_9(index); } } void frmVideoPanel::show_video_13() { QString videoType; int index = 0; QAction *action = (QAction *)sender(); QString name = action->text(); if (name == "通道1-通道13") { index = 0; videoType = "1_13"; } else if (name == "通道4-通道16") { index = 3; videoType = "4_16"; } if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_13(index); } } void frmVideoPanel::show_video_16() { QString videoType; int index = 0; videoType = "1_16"; if (App::VideoType != videoType) { App::VideoType = videoType; App::VideoMax = false; App::writeConfig(); change_video_16(index); } } void frmVideoPanel::hide_video_all() { for (int i = 0; i < App::VideoCount; i++) { ui->gridLayout->removeWidget(widgets.at(i)); widgets.at(i)->setVisible(false); } } void frmVideoPanel::change_video(int index, int flag) { int count = 0; int row = 0; int column = 0; for (int i = 0; i < App::VideoCount; i++) { if (i >= index) { ui->gridLayout->addWidget(widgets.at(i), row, column); widgets.at(i)->setVisible(true); count++; column++; if (column == flag) { row++; column = 0; } } if (count == (flag * flag)) { break; } } } void frmVideoPanel::change_video_4(int index) { ui->btnVideo4->setChecked(true); hide_video_all(); change_video(index, 2); } void frmVideoPanel::change_video_6(int index) { ui->btnVideo6->setChecked(true); hide_video_all(); if (index == 0) { ui->gridLayout->addWidget(widgets.at(0), 0, 0, 2, 2); ui->gridLayout->addWidget(widgets.at(1), 0, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(2), 1, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(3), 2, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(4), 2, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(5), 2, 0, 1, 1); for (int i = 0; i < 6; i++) { widgets.at(i)->setVisible(true); } } else if (index == 5) { ui->gridLayout->addWidget(widgets.at(5), 0, 0, 2, 2); ui->gridLayout->addWidget(widgets.at(6), 0, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(7), 1, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(8), 2, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(9), 2, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(10), 2, 0, 1, 1); for (int i = 5; i < 11; i++) { widgets.at(i)->setVisible(true); } } else if (index == 10) { ui->gridLayout->addWidget(widgets.at(10), 0, 0, 2, 2); ui->gridLayout->addWidget(widgets.at(11), 0, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(12), 1, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(13), 2, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(14), 2, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(15), 2, 0, 1, 1); for (int i = 10; i < 16; i++) { widgets.at(i)->setVisible(true); } } } void frmVideoPanel::change_video_8(int index) { ui->btnVideo8->setChecked(true); hide_video_all(); if (index == 0) { ui->gridLayout->addWidget(widgets.at(0), 0, 0, 3, 3); ui->gridLayout->addWidget(widgets.at(1), 0, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(2), 1, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(3), 2, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(4), 3, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(5), 3, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(6), 3, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(7), 3, 0, 1, 1); for (int i = 0; i < 8; i++) { widgets.at(i)->setVisible(true); } } else if (index == 8) { ui->gridLayout->addWidget(widgets.at(8), 0, 0, 3, 3); ui->gridLayout->addWidget(widgets.at(9), 0, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(10), 1, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(11), 2, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(12), 3, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(13), 3, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(14), 3, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(15), 3, 0, 1, 1); for (int i = 8; i < 16; i++) { widgets.at(i)->setVisible(true); } } } void frmVideoPanel::change_video_9(int index) { ui->btnVideo9->setChecked(true); hide_video_all(); change_video(index, 3); } void frmVideoPanel::change_video_13(int index) { ui->btnVideo13->setChecked(true); hide_video_all(); if (index == 0) { ui->gridLayout->addWidget(widgets.at(0), 0, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(1), 0, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(2), 0, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(3), 0, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(4), 1, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(5), 2, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(6), 1, 1, 2, 2); ui->gridLayout->addWidget(widgets.at(7), 1, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(8), 2, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(9), 3, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(10), 3, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(11), 3, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(12), 3, 3, 1, 1); for (int i = 0; i < 13; i++) { widgets.at(i)->setVisible(true); } } else if (index == 3) { ui->gridLayout->addWidget(widgets.at(3), 0, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(4), 0, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(5), 0, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(6), 0, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(7), 1, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(8), 2, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(9), 1, 1, 2, 2); ui->gridLayout->addWidget(widgets.at(10), 1, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(11), 2, 3, 1, 1); ui->gridLayout->addWidget(widgets.at(12), 3, 0, 1, 1); ui->gridLayout->addWidget(widgets.at(13), 3, 1, 1, 1); ui->gridLayout->addWidget(widgets.at(14), 3, 2, 1, 1); ui->gridLayout->addWidget(widgets.at(15), 3, 3, 1, 1); for (int i = 3; i < 16; i++) { widgets.at(i)->setVisible(true); } } } void frmVideoPanel::change_video_16(int index) { ui->btnVideo16->setChecked(true); hide_video_all(); change_video(index, 4); }