彻底改版2.0

video/playvlc/vlc/vlc.cpp

@@ -0,0 +1,189 @@
+#include "vlc.h"
+
+VlcThread::VlcThread(QObject *parent) : QThread(parent)
+{
+    setObjectName("VlcThread");
+
+    stopped = false;
+    isPlay = false;
+
+    url = "rtsp://192.168.1.200:554/1";
+
+    vlcInst = NULL;
+    vlcMedia = NULL;
+    vlcPlayer = NULL;
+
+    static bool isInit = false;
+    if (!isInit) {
+        isInit = true;
+        qDebug() << TIMEMS << "init vlc lib ok" << " version:" << libvlc_get_version();
+    }
+}
+
+void VlcThread::run()
+{
+    while (!stopped) {
+        msleep(1);
+    }
+
+    //线程结束后释放资源
+    free();
+    stopped = false;
+    isPlay = false;
+    //qDebug() << TIMEMS << "stop vlc1 thread";
+}
+
+void VlcThread::setUrl(const QString &url)
+{
+    this->url = url;
+}
+
+void VlcThread::setOption(const QString &option)
+{
+    if (vlcMedia != NULL) {
+        QByteArray data = option.toUtf8();
+        const char *arg = data.constData();
+        libvlc_media_add_option(vlcMedia, arg);
+    }
+}
+
+bool VlcThread::init()
+{
+    const char *tempArg = "";
+    const char *vlc_args[9] = {"-I", "dummy", "--no-osd", "--no-stats", "--ignore-config", "--no-video-on-top", "--no-video-title-show", "--no-snapshot-preview", tempArg};
+    vlcInst = libvlc_new(sizeof(vlc_args) / sizeof(vlc_args[0]), vlc_args);
+    if (vlcInst == NULL) {
+        return false;
+    }
+
+    vlcMedia = libvlc_media_new_location(vlcInst, url.toUtf8().constData());
+    vlcPlayer = libvlc_media_player_new_from_media(vlcMedia);
+    if (vlcPlayer == NULL) {
+        return false;
+    }
+
+    //设置播放句柄
+    VlcWidget *w = (VlcWidget *)this->parent();
+#if defined(Q_OS_WIN)
+    libvlc_media_player_set_hwnd(vlcPlayer, (void *)w->winId());
+#elif defined(Q_OS_LINUX)
+    libvlc_media_player_set_xwindow(vlcPlayer, w->winId());
+#elif defined(Q_OS_MAC)
+    libvlc_media_player_set_nsobject(vlcPlayer, (void *)w->winId());
+#endif
+
+    //设置硬件加速 none auto any d3d11va dxva2
+    setOption(QString(":avcodec-hw=%1").arg("none"));
+    //设置通信协议 tcp udp
+    setOption(QString(":rtsp-%1").arg("tcp"));
+    //设置缓存时间 默认500毫秒
+    setOption(QString(":network-caching=%1").arg(300));
+
+    libvlc_media_player_play(vlcPlayer);
+    //qDebug() << TIMEMS << "init vlc finsh";
+    return true;
+}
+
+void VlcThread::play()
+{
+    isPlay = true;
+    this->init();
+}
+
+void VlcThread::pause()
+{
+    if (vlcPlayer != NULL) {
+        libvlc_media_player_pause(vlcPlayer);
+    }
+}
+
+void VlcThread::next()
+{
+    if (vlcPlayer != NULL) {
+        libvlc_media_player_pause(vlcPlayer);
+    }
+}
+
+void VlcThread::free()
+{
+    if (vlcInst != NULL) {
+        libvlc_release(vlcInst);
+        vlcInst = NULL;
+    }
+
+    if (vlcMedia != NULL) {
+        libvlc_media_release(vlcMedia);
+        vlcMedia = NULL;
+    }
+
+    if (vlcPlayer != NULL) {
+        libvlc_media_player_release(vlcPlayer);
+        vlcPlayer = NULL;
+    }
+
+    //qDebug() << TIMEMS << "close vlc ok";
+}
+
+void VlcThread::stop()
+{
+    stopped = true;
+}
+
+//实时视频显示窗体类
+VlcWidget::VlcWidget(QWidget *parent) : QWidget(parent)
+{
+    thread = new VlcThread(this);
+}
+
+VlcWidget::~VlcWidget()
+{
+    close();
+}
+
+void VlcWidget::setUrl(const QString &url)
+{
+    thread->setUrl(url);
+}
+
+void VlcWidget::open()
+{
+    //qDebug() << TIMEMS << "open video" << objectName();
+    clear();
+
+    thread->play();
+    thread->start();
+}
+
+void VlcWidget::pause()
+{
+    thread->pause();
+}
+
+void VlcWidget::next()
+{
+    thread->next();
+}
+
+void VlcWidget::close()
+{
+    //qDebug() << TIMEMS << "close video" << objectName();
+    if (thread->isRunning()) {
+        thread->stop();
+        thread->quit();
+        thread->wait(3000);
+    }
+
+    QTimer::singleShot(5, this, SLOT(clear()));
+}
+
+void VlcWidget::restart()
+{
+    //qDebug() << TIMEMS << "restart video" << objectName();
+    close();
+    QTimer::singleShot(10, this, SLOT(open()));
+}
+
+void VlcWidget::clear()
+{
+    update();
+}