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