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Make sure the audio/video availability information changes atomically.

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So there's a consistent picture of the stream availability.

Change-Id: Id7ea166353c0151fcc11105a1e233e9fe8df9cc6
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>
This commit is contained in:
Michael Goddard
2012-04-20 15:54:39 +10:00
committed by Qt by Nokia
parent 24ced13a25
commit 2a7c2e695b
1 changed files with 8 additions and 4 deletions
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12
src/plugins/gstreamer/mediaplayer/qgstreamerplayersession.cpp
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@@ -1384,12 +1384,16 @@ void QGstreamerPlayerSession::getStreamsInfo()
}
if (haveAudio != m_audioAvailable) {
m_audioAvailable = haveAudio;
bool emitAudioChanged = (haveAudio != m_audioAvailable);
bool emitVideoChanged = (haveVideo != m_videoAvailable);
m_audioAvailable = haveAudio;
m_videoAvailable = haveVideo;
if (emitAudioChanged) {
emit audioAvailableChanged(m_audioAvailable);
}
if (haveVideo != m_videoAvailable) {
m_videoAvailable = haveVideo;
if (emitVideoChanged) {
emit videoAvailableChanged(m_videoAvailable);
}