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Gst capture: don't wait for pipeline to stop

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State changes to lower state are synchronous in gstreamer

Change-Id: Ib87eabfeee9ec100f24efbaa989ec909ac7f9a1b
Reviewed-by: Lev Zelenskiy <lev.zelenskiy@nokia.com>
Reviewed-by: Ling Hu <ling.hu@nokia.com>
This commit is contained in:
Dmytro Poplavskiy
2012-06-29 12:18:54 +10:00
committed by Qt by Nokia
parent b6848df7c2
commit 799a33e34d
2 changed files with 0 additions and 15 deletions
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14
src/plugins/gstreamer/mediacapture/qgstreamercapturesession.cpp
View File

@@ -773,17 +773,6 @@ QGstreamerCaptureSession::State QGstreamerCaptureSession::state() const
return m_state;
}
void QGstreamerCaptureSession::waitForStopped()
{
GstState state = GST_STATE_PLAYING;
gst_element_get_state(m_pipeline, &state, 0, 0);
while (state != GST_STATE_NULL) {
qApp->processEvents();
gst_element_get_state(m_pipeline, &state, 0, 0);
}
}
void QGstreamerCaptureSession::setState(QGstreamerCaptureSession::State newState)
{
if (newState == m_pendingState && !m_waitingForEos)
@@ -829,9 +818,6 @@ void QGstreamerCaptureSession::setState(QGstreamerCaptureSession::State newState
gst_element_set_state(m_pipeline, GST_STATE_NULL);
//It would be better to do this async. but
//gstreamer doesn't notify about pipeline went to NULL state
waitForStopped();
if (!rebuildGraph(newMode)) {
m_pendingState = StoppedState;
m_state = StoppedState;

1
src/plugins/gstreamer/mediacapture/qgstreamercapturesession.h
View File

@@ -163,7 +163,6 @@ private:
GstElement *buildVideoPreview();
GstElement *buildImageCapture();
void waitForStopped();
bool rebuildGraph(QGstreamerCaptureSession::PipelineMode newMode);
GstPad *getAudioProbePad();