bool KaraokeVideoBackground::Start( const CStdString& filename )
{
if ( !filename.empty() )
{
if ( !openVideoFile( filename ) )
return false;
m_timeFromPrevSong = 0;
}
else
{
if ( !openVideoFile( g_advancedSettings.m_karaokeDefaultBackgroundFilePath ) )
return false;
if ( m_timeFromPrevSong != 0.0 && !m_decoder->seek( m_timeFromPrevSong ) )
m_timeFromPrevSong = 0;
}
// Allocate the texture
m_texture = new CTexture( m_videoWidth, m_videoHeight, XB_FMT_A8R8G8B8 );
if ( !m_texture )
{
CLog::Log( LOGERROR, "Karaoke Video Background: Could not allocate texture" );
return false;
}
m_nextFrameTime = 0.0;
return true;
}
bool JokerWindow::openDocument(const QString &fileName)
{
QFileInfo info(fileName);
if(_settings->videoFileType().contains(info.suffix().toLower())) {
#ifdef USE_VIDEO
return openVideoFile(fileName);
#else
return false;
#endif
}
/// Clear the selected people name list (except for the first document).
if(!_firstDoc)
_settings->setSelectedPeopleNameList(QStringList());
else
_firstDoc = false;
if(!_doc->openStripFile(fileName))
return false;
/// If the document is opened successfully :
/// - Update the current document name (settings, windows title)
PhEditableDocumentWindow::openDocument(fileName);
_watcher.addPath(_doc->filePath());
#ifdef USE_VIDEO
/// - Load the deinterlace settings
on_actionDeinterlace_video_triggered(_doc->videoDeinterlace());
/// - Open the corresponding video file if it exists.
if(openVideoFile(_doc->videoFilePath())) {
_videoEngine.setTimeIn(_doc->videoTimeIn());
_mediaPanel.setTimeIn(_doc->videoTimeIn());
}
else
_videoEngine.close();
#endif
/// - Set the video aspect ratio.
ui->actionForce_16_9_ratio->setChecked(_doc->forceRatio169());
/// - Goto to the document last position.
setCurrentTime(_doc->lastTime());
/// - Disable the need to save flag.
return true;
}
/* ////////////////////////////////////////////////////////////////////////////
* Open ttmpeg2 project: open video file
* anaylize the stream
* enable navigation
*/
void TTMpeg2MainWnd::openProject(QString fileName)
{
if (!openVideoFile(fileName))
{
// TODO: throw exception
return;
}
videoFileInfo->setFileName(fileName);
onAnalyze();
isProjectOpen = true;
enableControls(true);
}
/* ////////////////////////////////////////////////////////////////////////////
* Load an existing video file
*/
void TTMpeg2MainWnd::onLoadVideoFile(QString fn)
{
closeProject();
openProject(fn);
if (!openVideoFile(fn))
{
//TODO: throw exception
return;
}
videoFileInfo->setFileName(fn);
isProjectOpen = true;
onAnalyze();
}
void JokerWindow::on_actionOpen_Video_triggered()
{
hideMediaPanel();
QString lastFolder = _settings->lastVideoFolder();
QString filter = tr("Movie files") + " (";
foreach(QString type, _settings->videoFileType())
filter += "*." + type + " ";
filter += ");;";
QFileDialog dlg(this, tr("Open a video..."), lastFolder, filter);
if(dlg.exec()) {
QString videoFile = dlg.selectedFiles()[0];
if(openVideoFile(videoFile))
_strip.clock()->setTime(_doc->videoTimeIn());
}
fadeInMediaPanel();
}
bool JokerWindow::openDocument(QString fileName)
{
/// Clear the selected people name list (except for the first document).
if(!_firstDoc)
_settings->setSelectedPeopleNameList(QStringList());
else
_firstDoc = false;
if(!_doc->openStripFile(fileName))
return false;
/// If the document is opened successfully :
/// - Update the current document name (settings, windows title)
setCurrentDocument(fileName);
_watcher.addPath(_doc->filePath());
/// - Load the deinterlace settings
_videoEngine.setDeinterlace(_doc->videoDeinterlace());
ui->actionDeinterlace_video->setChecked(_doc->videoDeinterlace());
/// - Open the corresponding video file if it exists.
if(openVideoFile(_doc->videoFilePath())) {
_videoEngine.setTimeIn(_doc->videoTimeIn());
_mediaPanel.setTimeIn(_doc->videoTimeIn());
}
else
_videoEngine.close();
/// - Set the video aspect ratio.
ui->actionForce_16_9_ratio->setChecked(_doc->forceRatio169());
/// - Goto to the document last position.
_strip.clock()->setTime(_doc->lastTime());
/// - Disable the need to save flag.
return true;
}
bool JokerWindow::eventFilter(QObject * sender, QEvent *event)
{
/// The event filter catch the following event:
switch (event->type()) {
case QEvent::FileOpen: /// - FileOpen : To process a file dragged on the application dock icon (MacOS)
{
#warning /// @todo move to PhDocumentWindow
QString filePath = static_cast<QFileOpenEvent *>(event)->file();
QString fileType = filePath.split(".").last().toLower();
// As the plist file list all the supported format
// if the file is not a strip file, it's a video file, we don't need any protection
if(_settings->stripFileType().contains(fileType)) {
if(checkSaveFile())
openDocument(filePath);
}
else if(_settings->videoFileType().contains(fileType))
openVideoFile(filePath);
break;
}
case QEvent::ApplicationDeactivate: /// - ApplicationDeactivate : to hide the mediapanel
hideMediaPanel();
break;
case QEvent::MouseMove: /// - Mouse move show the media panel
{
fadeInMediaPanel();
// Check if it is near the video/strip border
QMouseEvent * mouseEvent = (QMouseEvent*)event;
if(_resizingStrip) {
QApplication::setOverrideCursor(Qt::SizeVerCursor);
if(mouseEvent->buttons() & Qt::LeftButton)
_settings->setStripHeight(1.0 - ((float) mouseEvent->pos().y() /(float) this->height()));
}
else
QApplication::setOverrideCursor(Qt::ArrowCursor);
break;
}
case QEvent::DragEnter: /// - Accept and process a file drop on the window
event->accept();
break;
case QEvent::Drop:
{
#warning /// @todo move to PhDocumentWindow
const QMimeData* mimeData = static_cast<QDropEvent *>(event)->mimeData();
// If there is one file (not more) we open it
if (mimeData->urls().length() == 1) {
QString filePath = mimeData->urls().first().toLocalFile();
QString fileType = filePath.split(".").last().toLower();
if(fileType == "detx" or fileType == "strip" or fileType == "joker") {
if(checkSaveFile())
openDocument(filePath);
}
else if (fileType == "avi" or fileType == "mov")
openVideoFile(filePath);
}
break;
}
case QEvent::MouseButtonDblClick: /// - Double mouse click toggle fullscreen mode
_resizingStrip = false;
if(sender == this)
toggleFullScreen();
break;
case QEvent::MouseButtonRelease:
QApplication::setOverrideCursor(Qt::ArrowCursor);
break;
case QEvent::MouseButtonPress:
{
QMouseEvent *mouseEvent = (QMouseEvent*)event;
if((sender == this) && (mouseEvent->buttons() & Qt::RightButton)) {
/// - Right mouse click on the video open the video file dialog.
if(mouseEvent->y() < this->height() * (1.0f - _settings->stripHeight()))
on_actionOpen_Video_triggered();
else /// - Left mouse click on the strip open the strip file dialog.
on_actionOpen_triggered();
return true;
}
float stripHeight = this->height() * _settings->stripHeight();
if((mouseEvent->pos().y() > (this->height() - stripHeight) - 10)
&& (mouseEvent->pos().y() < (this->height() - stripHeight) + 10)) {
QApplication::setOverrideCursor(Qt::SizeVerCursor);
_resizingStrip = true;
}
}
default:
break;
}
return PhDocumentWindow::eventFilter(sender, event);
}
VideoPlayer::VideoPlayer(QString programPath, QWidget *parent) :
QWidget(parent)
,programDir(programPath)
,WIDTH(600)
,HEIGHT(380)
,videoNameWidth(300)
,videoListWidth(200)
,hideButtonsTime(2000)
,forwardStep(5)
,retreatStep(5)
,volumnChangeStep(5)
,hideCursor(false)
,keepAwakeTimes(0)
{
//设置窗口无边框
this->setWindowFlags(Qt::FramelessWindowHint | Qt::WindowMinimizeButtonHint);
this->installEventFilter(this);
//初始化窗口位置、大小
QDesktopWidget desktop;
setGeometry((desktop.width()-WIDTH)/2, (desktop.height()-HEIGHT)/2, WIDTH, HEIGHT);
setObjectName("videoPlayer");
//背景label
lab_background = new QLabel(this);
lab_background->setGeometry(0, 0, WIDTH, HEIGHT);
lab_background->setObjectName("lab_background");
// videoList = new VideoList(0, 25, videoListWidth, this->height()-50, false, this);
// videoList->show();
//设置鼠标跟踪，响应鼠标移动事件
this->setMouseTracking(true);
lab_background->setMouseTracking(true);
//
videoWidget = new VideoWidget;
videoWidget->hide();
videoWidget->installEventFilter(this);
videoWidget->setMouseTracking(true);
//保持视频屏幕常亮
helpKeepAwake = new HelpKeepAwake;
//布局
layout_top = new QGridLayout;
layout_top->addWidget(lab_background, 0, 0, 1, 1);
layout_top->addWidget(videoWidget, 0, 0, 1, 1);
layout_top->setSpacing(0);
layout_top->setMargin(0);
this->setLayout(layout_top);
//
videoContral = new VideoContral(this);
videoContral->setGeometry(this->x(), this->y(), this->width(), this->height());
tbn_openVideoFile = new QToolButton(this);
tbn_openVideoFile->setText("放入视频");
tbn_openVideoFile->setGeometry((this->width()-126-32)/2+35, (this->height()-41)/2+95, 80, 30);
tbn_openVideoFile->setObjectName("tbn_openVideoFile");
//初始化多媒体播放器
player = new QMediaPlayer(this);
QMediaPlaylist *playlist = new QMediaPlaylist;
QMediaPlaylist *playlistHistory = new QMediaPlaylist;
playlist_list.append(playlistHistory);
playlist_list.append(playlist);
player->setVideoOutput(videoWidget);
player->setPlaylist(playlist);
player->setVolume(60);
connect(tbn_openVideoFile,SIGNAL(clicked()), this, SLOT(openVideoFile()));
connect(player, SIGNAL(metaDataChanged()), this, SLOT(metaDataChanged()));
/* connect(this, SIGNAL(moveWindow(QPoint)), videoList, SLOT(toMoveWindow(QPoint)));*/
//设置样式表
setStyleSheet(
"#videoPlayer{"
// "border-radius: 3px;"
"}"
"#lab_background{"
// "border-radius: 3px;"
"border-image: url(:/Images/videoPlayerBg.png);"
"}"
"#tbn_openVideoFile{"
"background: rgba(0, 0, 0, 30);"
"color: rgba(200, 255, 255, 255);"
"}"
);
//创建定时器（1.5秒无鼠标动作按钮自动隐藏）
timerHideWidgets = new QTimer(this);
timerHideWidgets->start(hideButtonsTime);
connect(timerHideWidgets, SIGNAL(timeout()), this, SLOT(hideWidgets_timeout()));
//操作控制
connect(videoWidget, SIGNAL(clicked()), this, SLOT(videoPlayPause()));
connect(videoWidget, SIGNAL(switchFullScreen()), this, SLOT(switchFullScreen()));
// connect(videoWidget, SIGNAL(goForward()), this, SLOT(videoGoForward()));
// connect(videoWidget, SIGNAL(retreat()), this, SLOT(videoRetreat()));
connect(videoWidget, SIGNAL(playJump(int)), this, SLOT(videoPlayJump(int)));
connect(videoWidget, SIGNAL(volumnAdd()), this, SLOT(volumnAdd()));
connect(videoWidget, SIGNAL(volumnReduce()), this, SLOT(volumnReduce()));
connect(videoContral, SIGNAL(isHideWidget(bool)), this, SLOT(isHideWidget(bool)));
connect(videoContral, SIGNAL(playerStop()), player, SLOT(stop()));
connect(videoContral, SIGNAL(playPause()), this, SLOT(videoPlayPause()));
connect(videoContral, SIGNAL(playNext()), player->playlist(), SLOT(next()));
connect(videoContral, SIGNAL(currentMediaEnd()), this, SLOT(currentMediaEnd()));
// connect(videoContral, SIGNAL(goForward()), this, SLOT(videoGoForward()));
// connect(videoContral, SIGNAL(retreat()), this, SLOT(videoRetreat()));
connect(videoContral, SIGNAL(playJump(int)), this, SLOT(videoPlayJump(int)));
connect(videoContral, SIGNAL(switchFullScreen()), this, SLOT(switchFullScreen()));
connect(player, SIGNAL(durationChanged(qint64)), videoContral, SLOT(durationChanged(qint64)));
connect(player, SIGNAL(durationChanged(qint64)), this, SLOT(setVideoTitle()));
connect(player, SIGNAL(positionChanged(qint64)), videoContral, SLOT(positionChanged(qint64)));
connect(player, SIGNAL(stateChanged(QMediaPlayer::State)), this, SLOT(playStateChanged(QMediaPlayer::State)));
//
connect(videoContral, SIGNAL(itemDoubleClicked(int, int)), this, SLOT(itemDoubleClicked(int, int)));
// videoWidget->setFocus();
timerKeepAwake = new QTimer(this);
connect(timerKeepAwake, SIGNAL(timeout()), this, SLOT(timeoutKeepAwake()));
}
void MainWindow::createActions()
{
newAction = new QAction("&New",this);
newAction->setIcon(QIcon(":/images/new.png"));
newAction->setShortcut(tr("Ctrl+N"));
newAction->setStatusTip("Create a new edit session");
connect(newAction,SIGNAL(triggered()),
this,SLOT(newFile()));
openFileAction = new QAction("&Open file",this);
openFileAction->setIcon(QIcon(":/images/open.png"));
openFileAction->setShortcut(tr("Ctrl+O"));
openFileAction->setStatusTip("Open/load data from file");
connect(openFileAction,SIGNAL(triggered()),
this,SLOT(openFile()));
openVideoAction= new QAction("Open video image",this);
openVideoAction->setIcon(QIcon(":/images/video-x-generic.svg"));
//openVideoAction->setShortcut(tr("Ctrl+O+O"));
//openVideoAction->setStatusTip("Open/load contexts data from file");
connect(openVideoAction,SIGNAL(triggered()),
this,SLOT(openVideoFile()));
saveProjectAction= new QAction("&Save project",this);
saveProjectAction->setIcon(QIcon(":/images/save.png"));
saveProjectAction->setShortcut(tr("Ctrl+P"));
saveProjectAction->setStatusTip("Save data to project file");
connect(saveProjectAction,SIGNAL(triggered()),
this,SLOT(saveProjectFile()));
saveContextsAction = new QAction("Save contexts",this);
saveContextsAction->setIcon(QIcon(":/images/insert-object.svg"));
saveContextsAction->setShortcut(tr("Ctrl+S+C"));
saveContextsAction->setStatusTip("Save contexts data to file");
connect(saveContextsAction,SIGNAL(triggered()),
this,SLOT(saveContextsToFile()));
saveRulesAction = new QAction("Save rules",this);
saveRulesAction->setIcon(QIcon(":/images/insert-object.svg"));
saveRulesAction->setShortcut(tr("Ctrl+S+C"));
saveRulesAction->setStatusTip("Save rule data to file");
connect(saveRulesAction,SIGNAL(triggered()),
this,SLOT(saveRulesToFile()));
exitAction = new QAction("&Exit",this);
exitAction->setIcon(QIcon(":/images/application-exit.svg"));
exitAction->setShortcut(tr("Ctrl+Q"));
exitAction->setStatusTip("Close application");
connect(exitAction, SIGNAL(triggered()), this, SLOT(close()));
aboutAction = new QAction("&About",this);
aboutAction->setIcon(QIcon(":/images/find.png"));
aboutAction->setShortcut(tr("Ctrl+A"));
aboutAction->setStatusTip("About");
connect(aboutAction,SIGNAL(triggered()),
this,SLOT(about()));
newRuleAction = new QAction("&New rule",this);
newRuleAction->setIcon(QIcon(":/images/rule.svg"));
connect(newRuleAction,SIGNAL(triggered()),
this,SLOT(newRule()));
runVirtualFencingAction = new QAction("&Video",this);
runVirtualFencingAction->setIcon(QIcon(":/images/arrow.png"));
connect(runVirtualFencingAction,SIGNAL(triggered()),
this,SLOT(runVirtualFencing()));
addLineAction = new QAction("Add &Line",this);
addLineAction->setIcon(QIcon(":/images/linepointer.png"));
addLineAction->setShortcut(tr("Ctrl+L"));
addLineAction->setStatusTip("Add line");
connect(addLineAction,SIGNAL(triggered()),
this,SLOT(about()));
}
int main(int argc, char *argv[]) {
av_register_all();
AVFormatContext *pFormatCtx = NULL;
openVideoFile(&pFormatCtx, argv[1]);
av_dump_format(pFormatCtx, 0, argv[1], 0);
AVCodecContext *pCodecCtx = NULL;
AVCodec *pCodec = NULL;
// Open codec
openCodecAndCtx(pFormatCtx, &pCodecCtx, &pCodec);
// Copy context
/*
pCodecCtx = avcodec_alloc_context3(pCodec);
if (avcodec_copy_context(pCodecCtx, pCodecCtxOrig) != 0) {
fprintf(stderr, "Counldn't copy codec context");
return -1;
}
*/
AVFrame *pFrame = NULL;
// Allocate video frame
pFrame = av_frame_alloc();
// Allocate an AVFrame structure
AVFrame *pFrameRGB = av_frame_alloc();
if (pFrameRGB == NULL)
return -1;
uint8_t *buffer = NULL;
int numBytes;
// Determine required buffer size and allocate buffer
numBytes = avpicture_get_size(PIX_FMT_RGB24, pCodecCtx->width,
pCodecCtx->height);
buffer = (uint8_t *)av_malloc(numBytes * sizeof(uint8_t));
avpicture_fill((AVPicture *)pFrameRGB, buffer, PIX_FMT_RGB24,
pCodecCtx->width, pCodecCtx->height);
struct SwsContext *sws_ctx = NULL;
int frameFinished;
AVPacket packet;
sws_ctx = sws_getContext(pCodecCtx->width,
pCodecCtx->height,
pCodecCtx->pix_fmt,
pCodecCtx->width,
pCodecCtx->height,
PIX_FMT_RGB24,
SWS_BILINEAR,
NULL,
NULL,
NULL
);
int i = 0;
while (av_read_frame(pFormatCtx, &packet) >= 0) {
if (packet.stream_index == videoStream) {
avcodec_decode_video2(pCodecCtx, pFrame, &frameFinished, &packet);
if (frameFinished) {
sws_scale(sws_ctx, (uint8_t const * const*)pFrame->data,
pFrame->linesize, 0, pCodecCtx->height,
pFrameRGB->data, pFrameRGB->linesize);
}
++i;
if (i <= 240 && i >= 230) {
SaveFrame(pFrameRGB, pCodecCtx->width,
pCodecCtx->height, i);
}
}
}
av_free_packet(&packet);
av_free(buffer);
av_free(pFrameRGB);
av_free(pFrame);
avcodec_close(pCodecCtx);
avformat_close_input(&pFormatCtx);
return 0;
}
