Qt-interest Archive, April 2007
QMovie MNG Errors
Message 1 in thread
Hello everybody,
I am writting about an error QMovie (Qt 3.3.7) spits out on the command line
that looks like this while the movie is playing in one of my dialogs.
MNG error 4: Encountered unexpected end-of-file; chunk IHDR; subcode 0:0
MNG error 11: Function is invalid at this point; chunk IHDR; subcode 0:0
MNG error 11: Function is invalid at this point; chunk IHDR; subcode 0:0
MNG error 11: Function is invalid at this point; chunk IHDR; subcode 0:0
MNG error 11: Function is invalid at this point; chunk IHDR; subcode 0:0
I thought there maybe something wrong the mng files that are created using
the GIMP 2.2.3 on Linux, but the files do actually play...
Anybody had this problem.
This is the general way I use the movies
MyDialogClass::MyDialogClass
:QLabel(....)
{
m_paMovie = new QMovie(moviePath);
m_paMovie->connectUpdate(this, SLOT(onMovieUpdate(const QRect&)));
}
where
MyDialogClass::onMovieUpdate(const QRect&)
{
if ( NULL !=aMovie )
{
m_paMovie->disconnectUpdate(this, SLOT(onMovieUpdate(const QRect&)));
m_paMovie->pause();
setPixmap(m_paMovie->framePixmap());
setMovie (*m_paMovie);
}
}
void MyDialogClass::show()
{
if ( NULL != m_paMovie )
{
m_paMovie->unpause();
}
MyDialogClass::show();
}
Thanks
Christopher Probst
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