├── .gitignore
├── Demo_VLC_Qt.pro
├── README.md
├── eg.flv
├── main.cpp
├── mainwindow.cpp
├── mainwindow.h
├── mainwindow.ui
├── vlc_win32.zip
├── 软件使用说明1.png
└── 软件使用说明2.png


/.gitignore:
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 1 | # C++ objects and libs
 2 | *.slo
 3 | *.lo
 4 | *.o
 5 | *.a
 6 | *.la
 7 | *.lai
 8 | *.so
 9 | *.so.*
10 | *.dll
11 | *.dylib
12 | 
13 | # Qt-es
14 | object_script.*.Release
15 | object_script.*.Debug
16 | *_plugin_import.cpp
17 | /.qmake.cache
18 | /.qmake.stash
19 | *.pro.user
20 | *.pro.user.*
21 | *.qbs.user
22 | *.qbs.user.*
23 | *.moc
24 | moc_*.cpp
25 | moc_*.h
26 | qrc_*.cpp
27 | ui_*.h
28 | *.qmlc
29 | *.jsc
30 | Makefile*
31 | *build-*
32 | *.qm
33 | *.prl
34 | 
35 | # Qt unit tests
36 | target_wrapper.*
37 | 
38 | # QtCreator
39 | *.autosave
40 | 
41 | # QtCreator Qml
42 | *.qmlproject.user
43 | *.qmlproject.user.*
44 | 
45 | # QtCreator CMake
46 | CMakeLists.txt.user*
47 | 
48 | # QtCreator 4.8< compilation database 
49 | compile_commands.json
50 | 
51 | # QtCreator local machine specific files for imported projects
52 | *creator.user*
53 | 


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/Demo_VLC_Qt.pro:
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 1 | #-------------------------------------------------
 2 | #
 3 | # Project created by QtCreator 2017-05-23 沙振宇
 4 | #
 5 | #-------------------------------------------------
 6 | 
 7 | QT       += core gui
 8 | 
 9 | greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
10 | 
11 | TARGET = Demo_VLC_Qt
12 | TEMPLATE = app
13 | 
14 | #添加相关库
15 | 
16 | INCLUDEPATH += $$PWD/vlc_win32/include/
17 | INCLUDEPATH += $$PWD/vlc_win32/include/vlc/
18 | LIBS += -L$$PWD/vlc_win32
19 | LIBS += -llibvlc -llibvlccore
20 | 
21 | SOURCES += main.cpp\
22 |         mainwindow.cpp
23 | 
24 | HEADERS  += mainwindow.h
25 | 
26 | FORMS    += mainwindow.ui
27 | 


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/README.md:
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 1 | # 1、Qt的应用开发 之 Demo_VLC_Qt
 2 | Qt+VLC简单的使用显示视频示例，vlc播放视频，要比QMediaPlayer实用的多，并且同时运行20个视频时不会出现卡顿。 <BR/>
 3 | <BR/> 
 4 | # 2、更新信息
 5 | 开发者：沙振宇（沙师弟专栏）<BR/>
 6 | 创建时间：2017-5-23<BR/>
 7 | 最后一次更新时间：2019-12-5<BR/>
 8 | 此项目CSDN博客：Qt+VLC简单的使用显示视频Demo <BR/>
 9 | 此项目博客地址：https://shazhenyu.blog.csdn.net/article/details/72673677 <BR/>
10 | <BR/>
11 | # 3、使用方法
12 | ## 3.1、使用前
13 | 使用前先解压vlc_win32.zip，再使用哦~<BR/>
14 | ## 3.2、软件使用过程
15 | ![image](https://github.com/ShaShiDiZhuanLan/Demo_VLC_Qt/blob/master/%E8%BD%AF%E4%BB%B6%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E1.png)
16 | ![image](https://github.com/ShaShiDiZhuanLan/Demo_VLC_Qt/blob/master/%E8%BD%AF%E4%BB%B6%E4%BD%BF%E7%94%A8%E8%AF%B4%E6%98%8E2.png)
17 | 


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/eg.flv:
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https://raw.githubusercontent.com/ShaShiDiZhuanLan/Demo_VLC_Qt/abeec73ae73f63a0170b04109694a5f3467de4af/eg.flv


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/main.cpp:
--------------------------------------------------------------------------------
 1 | /*-----------Qt+VLC简单的使用显示视频Demo--------------
 2 | #
 3 | # Project created by QtCreator
 4 | # Author: 沙振宇
 5 | # CreateTime: 2017-05-23
 6 | # UpdateTime: 2019-12-19
 7 | # Info: Qt+VLC简单的使用显示视频Demo
 8 | # Url:https://shazhenyu.blog.csdn.net/article/details/72673677
 9 | # Github:https://github.com/ShaShiDiZhuanLan/Demo_VLC_Qt
10 | #
11 | #-------------------------------------------------*/
12 | #include "mainwindow.h"
13 | #include <QApplication>
14 | 
15 | int main(int argc, char *argv[])
16 | {
17 |     QApplication a(argc, argv);
18 |     MainWindow w;
19 |     w.show();
20 | 
21 |     return a.exec();
22 | }
23 | 


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/mainwindow.cpp:
--------------------------------------------------------------------------------
  1 | /*-------------------------------------------------
  2 | #
  3 | # Project created by QtCreator
  4 | # Author: 沙振宇
  5 | # CreateTime: 2017-05-23
  6 | # UpdateTime: 2019-12-19
  7 | # Info: Qt+VLC简单的使用显示视频Demo
  8 | # Url:https://shazhenyu.blog.csdn.net/article/details/72673677
  9 | # Github:https://github.com/ShaShiDiZhuanLan/Demo_VLC_Qt
 10 | #
 11 | #-------------------------------------------------*/
 12 | #include "mainwindow.h"
 13 | #include "ui_mainwindow.h"
 14 | #include <QDir>
 15 | #include <QFile>
 16 | #include <QGraphicsScene>
 17 | #include <QGraphicsProxyWidget>
 18 | #include <QGraphicsView>
 19 | #include "vlc/vlc.h"
 20 | #include <QDebug>
 21 | 
 22 | MainWindow::MainWindow(QWidget *parent) :
 23 |     QMainWindow(parent),
 24 |     ui(new Ui::MainWindow)
 25 | {
 26 |     ui->setupUi(this);
 27 |     m_fileDialog = new QFileDialog(this);
 28 |     m_fileDialog->setWindowTitle(tr("Open Video"));
 29 |     m_fileDialog->setDirectory(".");
 30 |     m_fileDialog->setNameFilter(tr("Video Files(*.mp4 *.mp3 *flv *3gp *rmvb)"));
 31 |     m_fileDialog->hide();
 32 | }
 33 | 
 34 | MainWindow::~MainWindow()
 35 | {
 36 |     delete ui;
 37 | }
 38 | 
 39 | //加载
 40 | bool MainWindow::load(const QString &filepath)
 41 | {
 42 |     if(filepath.isEmpty()){
 43 |         qDebug() << "filepath isEmpty";
 44 |         return false;
 45 |     }
 46 |     if(!QFile::exists(filepath)){
 47 |         qDebug() << "QFile no exists";
 48 |         return false;
 49 |     }
 50 |     bool bload = loadVlc(QDir::toNativeSeparators(filepath).toUtf8().constData());
 51 |     if(!bload){
 52 |         qDebug() << "bload no isEmpty";
 53 |         return false;
 54 |     }
 55 |     return true;
 56 | }
 57 | 
 58 | //播放
 59 | void MainWindow::play()
 60 | {
 61 |     if(libvlc_Ended == libvlc_media_get_state(m_media)){
 62 |         stop();//vlc这个设定太奇怪了，当自然播放结束，重新播放还得主动调用一次stop();
 63 |     }
 64 |     libvlc_media_player_play(m_mediaPlayer);
 65 | }
 66 | 
 67 | //暂停
 68 | void MainWindow::pause()
 69 | {
 70 |     if((bool)libvlc_media_player_is_playing(m_mediaPlayer)){
 71 |         m_bPlaying = false;
 72 |         libvlc_media_player_set_pause(m_mediaPlayer, 1);//暂停
 73 |     }
 74 | }
 75 | 
 76 | //停止
 77 | void MainWindow::stop()
 78 | {
 79 |     m_bPlaying = false;
 80 |     libvlc_media_player_stop(m_mediaPlayer);
 81 | }
 82 | 
 83 | //加载
 84 | bool MainWindow::loadVlc(const QString &filepath)
 85 | {
 86 |     m_vlcInstance = libvlc_new(0, NULL);
 87 |     m_media = libvlc_media_new_path(m_vlcInstance, filepath.toUtf8().data());
 88 |     if(!m_media){
 89 |         freeVlc();
 90 |         return m_media;
 91 |     }
 92 |     qDebug() << "loadVlc" << qPrintable(filepath);
 93 |     m_mediaPlayer = libvlc_media_player_new_from_media(m_media);
 94 |     if(!m_mediaPlayer){
 95 |         freeVlc();
 96 |         return false;
 97 |     }
 98 |     libvlc_media_parse(m_media);
 99 |     libvlc_event_manager_t *em = libvlc_media_player_event_manager(m_mediaPlayer);
100 |     libvlc_event_attach(em, libvlc_MediaPlayerTimeChanged, vlcEvents, this);
101 |     libvlc_event_attach(em, libvlc_MediaPlayerEndReached, vlcEvents, this);
102 |     libvlc_event_attach(em, libvlc_MediaPlayerStopped, vlcEvents, this);
103 |     libvlc_event_attach(em, libvlc_MediaPlayerPlaying, vlcEvents, this);
104 |     libvlc_event_attach(em, libvlc_MediaPlayerPaused, vlcEvents, this);
105 | 
106 |     libvlc_media_player_set_hwnd(m_mediaPlayer, (void *)ui->label->winId());
107 |     return true;
108 | }
109 | 
110 | //VLC事件
111 | void MainWindow::vlcEvents(const libvlc_event_t *ev, void *param)
112 | {
113 |     Q_UNUSED(param);
114 |     switch (ev->type) {
115 |     case libvlc_MediaPlayerTimeChanged:
116 |         break;
117 |     case libvlc_MediaPlayerEndReached://不能在回调里调用stop();否则会卡死
118 |         break;
119 |     case libvlc_MediaPlayerStopped:
120 |         qDebug() << "libvlc_MediaPlayerStopped";
121 |         break;
122 |     case libvlc_MediaPlayerPlaying:
123 |         qDebug() << "libvlc_MediaPlayerPlay";
124 |         break;
125 |     case libvlc_MediaPlayerPaused:
126 |         qDebug() << "libvlc_MediaPlayerPaused";
127 |         break;
128 |     }
129 | }
130 | 
131 | //释放
132 | void MainWindow::freeVlc()
133 | {
134 |     if(m_media){
135 |         libvlc_media_release(m_media);
136 |         m_media = Q_NULLPTR;
137 |     }
138 |     if(m_mediaPlayer){
139 |         libvlc_media_player_stop(m_mediaPlayer);
140 |         libvlc_media_player_release(m_mediaPlayer);
141 |         m_mediaPlayer = Q_NULLPTR;
142 |     }
143 |     if(m_vlcInstance){
144 |         libvlc_release(m_vlcInstance);
145 |         m_vlcInstance = Q_NULLPTR;
146 |     }
147 | }
148 | 
149 | void MainWindow::on_pushButton_clicked()
150 | {
151 |     if(ui->pushButton->text() == "play") {
152 |         play();
153 |         ui->pushButton->setText("pause");
154 |     } else if(ui->pushButton->text() == "pause") {
155 |         pause();
156 |         ui->pushButton->setText("play");
157 |     }
158 | }
159 | 
160 | void MainWindow::on_pB_Stop_clicked()
161 | {
162 |     stop();
163 |     ui->pushButton->setText("play");
164 | }
165 | 
166 | void MainWindow::on_pB_Open_clicked()
167 | {
168 |     if(m_vlcInstance) {
169 |         freeVlc();
170 |     }
171 |     m_fileDialog->show();
172 |     if(m_fileDialog->exec() == QDialog::Accepted) {
173 |         QString path = m_fileDialog->selectedFiles()[0];
174 |         ui->lB_Path->setText(path);
175 |         load(path);
176 |     }
177 | }
178 | 


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/mainwindow.h:
--------------------------------------------------------------------------------
 1 | /*-------------------------------------------------
 2 | #
 3 | # Project created by QtCreator
 4 | # Author: 沙振宇
 5 | # CreateTime: 2017-05-23
 6 | # UpdateTime: 2019-12-19
 7 | # Info: Qt+VLC简单的使用显示视频Demo
 8 | # Url:https://shazhenyu.blog.csdn.net/article/details/72673677
 9 | # Github:https://github.com/ShaShiDiZhuanLan/Demo_VLC_Qt
10 | #
11 | #-------------------------------------------------*/
12 | #ifndef MAINWINDOW_H
13 | #define MAINWINDOW_H
14 | 
15 | #include <QMainWindow>
16 | #include <QFileDialog>
17 | #include <QTimer>
18 | 
19 | namespace Ui {
20 | class MainWindow;
21 | }
22 | struct libvlc_media_track_info_t;
23 | struct libvlc_media_t;
24 | struct libvlc_instance_t;
25 | struct libvlc_media_player_t;
26 | struct libvlc_event_t;
27 | 
28 | class MainWindow : public QMainWindow
29 | {
30 |     Q_OBJECT
31 | 
32 | public:
33 |     explicit MainWindow(QWidget *parent = 0);
34 |     ~MainWindow();
35 | 
36 |     bool load(const QString &filepath);//加载
37 |     void play();//播放
38 |     void pause();//暂停
39 |     void stop();//停止
40 |     bool loadVlc(const QString &filepath);//加载
41 |     void freeVlc();//释放
42 | 
43 | protected:
44 |     static void vlcEvents(const libvlc_event_t *ev, void *param);//VLC事件
45 | private slots:
46 |     void on_pushButton_clicked();//播放/暂停
47 |     void on_pB_Stop_clicked();//停止
48 |     void on_pB_Open_clicked();//打开文件
49 | 
50 | private:
51 |     Ui::MainWindow *ui;
52 | 
53 |     libvlc_instance_t *m_vlcInstance = Q_NULLPTR;
54 |     libvlc_media_t *m_media = Q_NULLPTR;
55 |     libvlc_media_player_t *m_mediaPlayer = Q_NULLPTR;
56 | 
57 |     QFileDialog *m_fileDialog = Q_NULLPTR;
58 |     QTimer *m_timer = Q_NULLPTR;
59 | 
60 |     QMutex m_mutex;
61 |     qint64 m_duration = 0;
62 |     bool m_bPlaying = false;
63 | };
64 | 
65 | #endif // MAINWINDOW_H
66 | 


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/mainwindow.ui:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <ui version="4.0">
 3 |  <class>MainWindow</class>
 4 |  <widget class="QMainWindow" name="MainWindow">
 5 |   <property name="geometry">
 6 |    <rect>
 7 |     <x>0</x>
 8 |     <y>0</y>
 9 |     <width>722</width>
10 |     <height>508</height>
11 |    </rect>
12 |   </property>
13 |   <property name="windowTitle">
14 |    <string>MainWindow</string>
15 |   </property>
16 |   <widget class="QWidget" name="centralWidget">
17 |    <layout class="QGridLayout" name="gridLayout">
18 |     <item row="0" column="0" colspan="3">
19 |      <widget class="QLabel" name="lB_Path">
20 |       <property name="maximumSize">
21 |        <size>
22 |         <width>16777215</width>
23 |         <height>30</height>
24 |        </size>
25 |       </property>
26 |       <property name="text">
27 |        <string>Please enter &quot;Open&quot;</string>
28 |       </property>
29 |      </widget>
30 |     </item>
31 |     <item row="2" column="0">
32 |      <widget class="QPushButton" name="pushButton">
33 |       <property name="text">
34 |        <string>play</string>
35 |       </property>
36 |      </widget>
37 |     </item>
38 |     <item row="0" column="3">
39 |      <widget class="QPushButton" name="pB_Open">
40 |       <property name="text">
41 |        <string>Open</string>
42 |       </property>
43 |      </widget>
44 |     </item>
45 |     <item row="1" column="0" colspan="4">
46 |      <widget class="QLabel" name="label">
47 |       <property name="font">
48 |        <font>
49 |         <family>Agency FB</family>
50 |         <pointsize>24</pointsize>
51 |        </font>
52 |       </property>
53 |       <property name="styleSheet">
54 |        <string notr="true">background-color: rgb(170, 255, 0);</string>
55 |       </property>
56 |       <property name="text">
57 |        <string>Please enter &quot;play&quot;</string>
58 |       </property>
59 |       <property name="alignment">
60 |        <set>Qt::AlignCenter</set>
61 |       </property>
62 |      </widget>
63 |     </item>
64 |     <item row="2" column="3">
65 |      <widget class="QPushButton" name="pB_Stop">
66 |       <property name="text">
67 |        <string>stop</string>
68 |       </property>
69 |      </widget>
70 |     </item>
71 |    </layout>
72 |   </widget>
73 |  </widget>
74 |  <layoutdefault spacing="6" margin="11"/>
75 |  <resources/>
76 |  <connections/>
77 | </ui>
78 | 


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/vlc_win32.zip:
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https://raw.githubusercontent.com/ShaShiDiZhuanLan/Demo_VLC_Qt/abeec73ae73f63a0170b04109694a5f3467de4af/vlc_win32.zip


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/软件使用说明1.png:
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https://raw.githubusercontent.com/ShaShiDiZhuanLan/Demo_VLC_Qt/abeec73ae73f63a0170b04109694a5f3467de4af/软件使用说明1.png


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/软件使用说明2.png:
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https://raw.githubusercontent.com/ShaShiDiZhuanLan/Demo_VLC_Qt/abeec73ae73f63a0170b04109694a5f3467de4af/软件使用说明2.png


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