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Reset class members to NULL after gst_*_unref()

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This commit is contained in:
Sander Mathijs van Veen 2014-07-23 19:15:16 +02:00
parent f8442da945
commit facb2f9a81
1 changed files with 11 additions and 1 deletions
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12
modules/videoio/src/cap_gstreamer.cpp
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@ -185,31 +185,41 @@ void CvCapture_GStreamer::close()
if(pipeline) { if(pipeline) {
gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL); gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_NULL);
gst_object_unref(GST_OBJECT(pipeline)); gst_object_unref(GST_OBJECT(pipeline));
pipeline = NULL;
} }
if(uridecodebin){ if(uridecodebin){
gst_object_unref(GST_OBJECT(uridecodebin)); gst_object_unref(GST_OBJECT(uridecodebin));
uridecodebin = NULL;
} }
if(color){ if(color){
gst_object_unref(GST_OBJECT(color)); gst_object_unref(GST_OBJECT(color));
color = NULL;
} }
if(sink){ if(sink){
gst_object_unref(GST_OBJECT(sink)); gst_object_unref(GST_OBJECT(sink));
sink = NULL;
} }
if(buffer) if(buffer) {
gst_buffer_unref(buffer); gst_buffer_unref(buffer);
buffer = NULL;
}
if(frame) { if(frame) {
frame->imageData = 0; frame->imageData = 0;
cvReleaseImage(&frame); cvReleaseImage(&frame);
frame = NULL;
} }
if(caps){ if(caps){
gst_caps_unref(caps); gst_caps_unref(caps);
caps = NULL;
} }
if(buffer_caps){ if(buffer_caps){
gst_caps_unref(buffer_caps); gst_caps_unref(buffer_caps);
buffer_caps = NULL;
} }
#if GST_VERSION_MAJOR > 0 #if GST_VERSION_MAJOR > 0
if(sample){ if(sample){
gst_sample_unref(sample); gst_sample_unref(sample);
sample = NULL;
} }
#endif #endif