void EnhanceApp::mouseUp( MouseEvent event )
{
if( mCtlDown )
{
int frame = int ( event.getPos().x / float(getWindowWidth()) * mMovie.getNumFrames() );
mMovie.seekToFrame( frame );
mCtlDown = false;
} else
if( mAltLockDown)
{
mScale += mScaleOffset;
mRot += mRotOffset;
mScaleOffset = mRotOffset = 0;
mAltLockDown = false;
} else
{
mAxisDisplay += mAxisOffset;
mAxisOffset = Vec2f::zero();
}
}
void ocvOpticalFlowApp::update()
{
if( !mMovie ) return;
if (!mMovie.getSurface() ) return;
Surface surface = mMovie.getSurface();
cv::Mat currentFrame( toOcv( Channel( surface ) ) );
mTexture = gl::Texture( surface );
// if( mPrevFrame.data )
// {
// if( mFeatures.empty() || getElapsedFrames() % 30 == 0 ) // pick new features once every 30 frames, or the first frame
// chooseFeatures( mPrevFrame );
// trackFeatures( currentFrame );
// }
// mPrevFrame = currentFrame;
findPeople(currentFrame);
// if( mCapture.checkNewFrame() ) {
// Surface surface( mCapture.getSurface() );
// mTexture = gl::Texture( surface );
// cv::Mat currentFrame( toOcv( Channel( surface ) ) );
// if( mPrevFrame.data ) {
// if( mFeatures.empty() || getElapsedFrames() % 30 == 0 ) // pick new features once every 30 frames, or the first frame
// chooseFeatures( mPrevFrame );
// trackFeatures( currentFrame );
// }
// mPrevFrame = currentFrame;
// }
}
void ocvOpticalFlowApp::loadMovieFile( const fs::path &moviePath )
{
try {
// load up the movie, set it to loop, and begin playing
mMovie = qtime::MovieSurface( moviePath );
mMovie.setLoop();
mMovie.play();
// create a texture for showing some info about the movie
TextLayout infoText;
infoText.clear( ColorA( 0.2f, 0.2f, 0.2f, 0.5f ) );
infoText.setColor( Color::white() );
infoText.addCenteredLine( moviePath.filename().string() );
infoText.addLine( toString( mMovie.getWidth() ) + " x " + toString( mMovie.getHeight() ) + " pixels" );
infoText.addLine( toString( mMovie.getDuration() ) + " seconds" );
infoText.addLine( toString( mMovie.getNumFrames() ) + " frames" );
infoText.addLine( toString( mMovie.getFramerate() ) + " fps" );
infoText.setBorder( 4, 2 );
mInfoTexture = gl::Texture( infoText.render( true ) );
}
catch( ... ) {
console() << "Unable to load the movie." << std::endl;
mMovie.reset();
mInfoTexture.reset();
}
mFrameTexture.reset();
}
void PostProcessingApp::update()
{
// update movie texture if necessary
if(mMovie) {
// get movie surface
Surface surf = mMovie.getSurface();
// copy surface into texture
if(surf)
mImage = gl::Texture( surf );
// play next movie in directory when done
if( mMovie.isDone() )
playNext();
}
}
void EnhanceApp::update()
{
if( mMovie ){
mSurface = mMovie.getSurface();
//cv::Mat input( toOcv( mSurface ) );
}
}
void EnhanceApp::mouseDrag( MouseEvent event )
{
//Vec2f offset = event.getPos() - mClickDown;
Vec2f offset = ( mClickDown - event.getPos()) * .5;
if( mCtlDown )
{
int frame = int ( event.getPos().x / float(getWindowWidth()) * mMovie.getNumFrames() );
mMovie.seekToFrame( frame );
} else
if( mAltLockDown)
{
mScaleOffset = offset.y / getWindowHeight();
mRotOffset = offset.x;
} else
{
mAxisOffset = offset;
}
}
void PostProcessingApp::play( const fs::path &path )
{
try {
// try loading QuickTime movie
mMovie = qtime::MovieSurface( path );
mMovie.play();
}
catch(...) {}
// keep track of file
mFile = path;
}
void EnhanceApp::keyDown( KeyEvent event )
{
if( event.getChar() == 'f' ) {
setFullScreen( ! isFullScreen() );
}
else if( event.getChar() == 'o' ) {
string moviePath = getOpenFilePath();
if( ! moviePath.empty() )
loadMovieFile( moviePath );
}
// these keys only make sense if there is an active movie
if( mMovie ) {
if( event.getCode() == KeyEvent::KEY_LEFT ) {
mMovie.stepBackward();
}
if( event.getCode() == KeyEvent::KEY_RIGHT ) {
mMovie.stepForward();
}
else if( event.getChar() == 's' ) {
if( mSurface ) {
string savePath = getSaveFilePath();
if( ! savePath.empty() ) {
writeImage( savePath, mSurface );
}
}
}
else if( event.getChar() == 'm' ) {
// jump to the middle frame
mMovie.seekToTime( mMovie.getDuration() / 2 );
}
else if( event.getChar() == ' ' ) {
if( mMovie.isPlaying() )
mMovie.stop();
else
mMovie.play();
}
}
}
void EnhanceApp::loadMovieFile( const string &moviePath )
{
try {
mMovie = qtime::MovieSurface( moviePath );
console() << "Dimensions:" << mMovie.getWidth() << " x " << mMovie.getHeight() << std::endl;
console() << "Duration: " << mMovie.getDuration() << " seconds" << std::endl;
console() << "Frames: " << mMovie.getNumFrames() << std::endl;
console() << "Framerate: " << mMovie.getFramerate() << std::endl;
console() << "Alpha channel: " << mMovie.hasAlpha() << std::endl;
console() << "Has audio: " << mMovie.hasAudio() << " Has visuals: " << mMovie.hasVisuals() << std::endl;
mMovie.setLoop( true, true );
mMovie.setVolume(0);
mMovie.seekToStart();
mMovie.play();
}
catch( ... ) {
console() << "Unable to load the movie." << std::endl;
}
}
