谁能告诉我如何从手机内存播放视频?诺基亚Qt:如何从手机内存播放视频?
EDITED:我已经使用的视频播放这段代码...
include "playvideo.h"
include "ui_playvideo.h"
include QFileDialog
include phonon/backendcapabilities.h
include phonon/videoplayer
include "mainwindow.h"
PlayVideo::PlayVideo(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::PlayVideo)
{
ui->setupUi(this);
videoPlay();
}
void PlayVideo::videoPlay()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Open Movie"), QDir::homePath());
Phonon::VideoPlayer *player = new Phonon::VideoPlayer(Phonon::VideoCategory,ui->graphicsView);
connect(player, SIGNAL(finished()), player, SLOT(deleteLater()));
player->play(fileName);
}
,但它给我的错误:
undefined reference to -> Phonon::VideoPlayer(Phonon::VideoCategory,QWidget*)
undefined reference to -> Phonon::VideoPlayer(Phonon::Mediasource const&)
任何想法?
谢谢..
这听起来像你的应用程序没有链接到Phonon库。你需要在你的.pro文件中有`QT + = phonon`。 – 2011-01-20 07:21:47