xv: use XvImage if shm failed
double click switch fullscreen
Merge branch 'player'
rename examples
add a missing example
use audio statistics if video's not available
dynamically change video renderer when playing

TODO:
decoder, filters and other components should support this feature
add FFmpeg information
player: menu
avoid emitting stopped() multiple times

in AVPlayer::stop(), we should not emit stopped() manually, because
AVThread will trigger this
fix crash when osd filter is null. refine code
add VideoRenderer::id()

TODO:
AVComponent::id(),name(),detail() etc
about dialog contains FFmpeg and QtAV
player: add some online tv

FIXME:
how to read Chinese from QSettings
translation
add install.bat for windows
we must emit stopped() in AVPlayer::stop(). why AVThread not trigger it?
version 1.2.0

Changelog:
version 1.2.0    2013-05-27

- Better gui for the player example
- Dynamically change renderer engine
- Filter framework works. Filters on data and renderer support
- XV rendering support
- Fix some qmake project bugs
- Other features, bug fix, code refine
QTime() in Qt5 is not a valid time?
update README.md