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highgui: fix segfault on CvCapture_GStreamer::open

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when compiled with GStreamer, open (of a file) segfaults.

Fix was suggested by Bostjan Vesnicer.
This commit is contained in:
Éric Piel 2012-12-15 12:11:13 +01:00
parent 9b09f09b9a
commit 7701fa7a63
1 changed files with 6 additions and 6 deletions
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12
modules/highgui/src/cap_gstreamer.cpp
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@ -399,12 +399,12 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
gst_app_sink_set_max_buffers (GST_APP_SINK(sink), 1);
gst_app_sink_set_drop (GST_APP_SINK(sink), stream);
gst_app_sink_set_caps(GST_APP_SINK(sink), gst_caps_new_simple("video/x-raw-rgb",
"red_mask", G_TYPE_INT, 0x0000FF,
"green_mask", G_TYPE_INT, 0x00FF00,
"blue_mask", G_TYPE_INT, 0xFF0000,
NULL));
caps = gst_caps_new_simple("video/x-raw-rgb",
"red_mask", G_TYPE_INT, 0x0000FF,
"green_mask", G_TYPE_INT, 0x00FF00,
"blue_mask", G_TYPE_INT, 0xFF0000,
NULL);
gst_app_sink_set_caps(GST_APP_SINK(sink), caps);
gst_caps_unref(caps);
if(gst_element_set_state(GST_ELEMENT(pipeline), GST_STATE_READY) ==