qt播放器qt mediaplayer
在网上找了一个别人的旧版本的播放器~自己更改了一天，终于可运行了，希望分享下同共学习；
不过出了少少问题：希望有经验的一起指导下：
运行环境：qt creator +windows
1、原计划是可支持视频播放的，现在只能加载间频（mp3），一加载视频就卡死
2.、自定义的进度条不起作用，不知为什么百分比槽连接不成功
connect(wmp, SIGNAL(PositionChange(double, double)),this, SLOT(Slot_onPositionChange(double, double)));
3、我用的是QAxWidget控件，这个是不是只支持windows的呢？或者还有没其实更好的？
/*******************************************************************************************
项目名：QT播放器 Qt Mediaplayer
工程师：枫儿
完成时间：2009年12月28日
技术支持：嵌入式家园 www.studyarm.cn www.mcupark.com
*******************************************************************************************/
#include "playerwindow.h"
#include
#include
#include
#include
#include
#include
#include
#include
PlayerWindow::PlayerWindow()
{
//setCaption(tr("Media Player"));
fileFilters = tr("Video files (*.mpg *.mpeg *.avi *.wmv)\n" //原来字符串换行也可这样用
"Audio files (*.mp3 *.wav)");
updateTimer = 0;
setMouseTracking(true);
this->wmp = new QAxWidget(this);
wmp->setControl("{22D6F312-B0F6-11D0-94AB-0080C74C7E95}");
// wmp->setProperty("ShowControls", QVariant(false, 0));
wmp->setSizePolicy(QSizePolicy::Expanding,QSizePolicy::Expanding);
connect(wmp, SIGNAL(PlayStateChange(int, int)),this, SLOT(Slot_onPlayStateChange(int, int)));
connect(wmp, SIGNAL(ReadyStateChange(ReadyStateConstants)),this, SLOT(Slot_onReadyStateChange(ReadyStateConstants)));
connect(wmp, SIGNAL(PositionChange(double, double)),this, SLOT(Slot_onPositionChange(double, double)));
this->openButton = new QPushButton(tr("&Open"));
connect(openButton, SIGNAL(clicked()), this, SLOT(Slot_openFile()));
this->playPauseButton = new QPushButton(tr("&Play"));
connect(playPauseButton, SIGNAL(clicked()), wmp, SLOT(Play()));
this->stopButton = new QPushButton(tr("&Stop"));
connect(stopButton, SIGNAL(clicked()), wmp, SLOT(Stop()));
this->seekSlider = new QSlider(Qt::Horizontal, this);
seekSlider->setEnabled(false);
connect(seekSlider, SIGNAL(valueChanged(int)),this, SLOT(Slot_sliderValueChanged(int)));
connect(seekSlider, SIGNAL(sliderPressed()),wmp, SLOT(Pause()));
QHBoxLayout *buttonLayout = new QHBoxLayout;
buttonLayout->addWidget(openButton);
buttonLayout->addWidget(playPauseButton);
buttonLayout->addWidget(stopButton);
QVBoxLayout *mainLayout = new QVBoxLayout(this);
mainLayout->addWidget(wmp);
mainLayout->addLayout(buttonLayout);
mainLayout->addWidget(seekSlider);
this->setLayout(mainLayout);
}
文件下载
资源详情
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